Azure IoT / iothub_mqtt_transport

Microsoft Azure IoTHub client MQTT transport

Dependents:   STM32F746_iothub_client_sample_mqtt FXOS8700CQ_To_Azure_IoT f767zi_mqtt FXOS8700CQ_To_Azure_IoT ... more

iothubtransport_mqtt_common.c@20:594780be216d, 2017-03-24 (annotated)

Committer:
AzureIoTClient
Date:
Fri Mar 24 16:35:20 2017 -0700
Revision:
20:594780be216d
Parent:
19:f87dfe76bc70
Child:
21:167f8fcf6fb1
1.1.10

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 11:31ebaeb51e1e 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 11:31ebaeb51e1e 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 11:31ebaeb51e1e 3
AzureIoTClient 11:31ebaeb51e1e 4 #include <stdlib.h>
AzureIoTClient 12:658ca6865de2 5 #include <ctype.h>
AzureIoTClient 18:ec8e5e97c6a4 6 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 11:31ebaeb51e1e 7 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 11:31ebaeb51e1e 8
AzureIoTClient 11:31ebaeb51e1e 9 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 11:31ebaeb51e1e 10 #include "azure_c_shared_utility/strings.h"
AzureIoTClient 11:31ebaeb51e1e 11 #include "azure_c_shared_utility/doublylinkedlist.h"
AzureIoTClient 11:31ebaeb51e1e 12 #include "azure_c_shared_utility/crt_abstractions.h"
AzureIoTClient 11:31ebaeb51e1e 13
AzureIoTClient 11:31ebaeb51e1e 14 #include "iothub_client_ll.h"
AzureIoTClient 11:31ebaeb51e1e 15 #include "iothub_client_options.h"
AzureIoTClient 11:31ebaeb51e1e 16 #include "iothub_client_private.h"
AzureIoTClient 11:31ebaeb51e1e 17 #include "azure_umqtt_c/mqtt_client.h"
AzureIoTClient 11:31ebaeb51e1e 18 #include "azure_c_shared_utility/sastoken.h"
AzureIoTClient 11:31ebaeb51e1e 19 #include "azure_c_shared_utility/tickcounter.h"
AzureIoTClient 11:31ebaeb51e1e 20
AzureIoTClient 11:31ebaeb51e1e 21 #include "azure_c_shared_utility/tlsio.h"
AzureIoTClient 11:31ebaeb51e1e 22 #include "azure_c_shared_utility/platform.h"
AzureIoTClient 11:31ebaeb51e1e 23
AzureIoTClient 11:31ebaeb51e1e 24 #include "azure_c_shared_utility/string_tokenizer.h"
AzureIoTClient 20:594780be216d 25 #include "azure_c_shared_utility/shared_util_options.h"
AzureIoTClient 11:31ebaeb51e1e 26 #include "iothub_client_version.h"
AzureIoTClient 11:31ebaeb51e1e 27
AzureIoTClient 11:31ebaeb51e1e 28 #include "iothubtransport_mqtt_common.h"
AzureIoTClient 11:31ebaeb51e1e 29
AzureIoTClient 11:31ebaeb51e1e 30 #include <stdarg.h>
AzureIoTClient 11:31ebaeb51e1e 31 #include <stdio.h>
AzureIoTClient 11:31ebaeb51e1e 32
AzureIoTClient 11:31ebaeb51e1e 33 #include <limits.h>
AzureIoTClient 12:658ca6865de2 34 #include <inttypes.h>
AzureIoTClient 11:31ebaeb51e1e 35
AzureIoTClient 11:31ebaeb51e1e 36 #define SAS_TOKEN_DEFAULT_LIFETIME 3600
AzureIoTClient 11:31ebaeb51e1e 37 #define SAS_REFRESH_MULTIPLIER .8
AzureIoTClient 11:31ebaeb51e1e 38 #define EPOCH_TIME_T_VALUE 0
AzureIoTClient 11:31ebaeb51e1e 39 #define DEFAULT_MQTT_KEEPALIVE 4*60 // 4 min
AzureIoTClient 11:31ebaeb51e1e 40 #define BUILD_CONFIG_USERNAME 24
AzureIoTClient 11:31ebaeb51e1e 41 #define SAS_TOKEN_DEFAULT_LEN 10
AzureIoTClient 11:31ebaeb51e1e 42 #define RESEND_TIMEOUT_VALUE_MIN 1*60
AzureIoTClient 11:31ebaeb51e1e 43 #define MAX_SEND_RECOUNT_LIMIT 2
AzureIoTClient 11:31ebaeb51e1e 44 #define DEFAULT_CONNECTION_INTERVAL 30
AzureIoTClient 11:31ebaeb51e1e 45 #define FAILED_CONN_BACKOFF_VALUE 5
AzureIoTClient 12:658ca6865de2 46 #define STATUS_CODE_FAILURE_VALUE 500
AzureIoTClient 12:658ca6865de2 47 #define STATUS_CODE_TIMEOUT_VALUE 408
AzureIoTClient 17:774695cb8554 48 #define ERROR_TIME_FOR_RETRY_SECS 5 // We won't retry more than once every 5 seconds
AzureIoTClient 12:658ca6865de2 49
AzureIoTClient 12:658ca6865de2 50 static const char TOPIC_DEVICE_TWIN_PREFIX[] = "$iothub/twin";
AzureIoTClient 12:658ca6865de2 51 static const char TOPIC_DEVICE_METHOD_PREFIX[] = "$iothub/methods";
AzureIoTClient 12:658ca6865de2 52
AzureIoTClient 12:658ca6865de2 53 static const char* TOPIC_GET_DESIRED_STATE = "$iothub/twin/res/#";
AzureIoTClient 12:658ca6865de2 54 static const char* TOPIC_NOTIFICATION_STATE = "$iothub/twin/PATCH/properties/desired/#";
AzureIoTClient 11:31ebaeb51e1e 55
AzureIoTClient 11:31ebaeb51e1e 56 static const char* TOPIC_DEVICE_MSG = "devices/%s/messages/devicebound/#";
AzureIoTClient 11:31ebaeb51e1e 57 static const char* TOPIC_DEVICE_DEVICE = "devices/%s/messages/events/";
AzureIoTClient 12:658ca6865de2 58
AzureIoTClient 12:658ca6865de2 59 static const char* TOPIC_DEVICE_METHOD_SUBSCRIBE = "$iothub/methods/POST/#";
AzureIoTClient 12:658ca6865de2 60 static const char* TOPIC_DEVICE_METHOD_RESPONSE = "$iothub/methods/res";
AzureIoTClient 12:658ca6865de2 61
AzureIoTClient 12:658ca6865de2 62 static const char* IOTHUB_API_VERSION = "2016-11-14";
AzureIoTClient 12:658ca6865de2 63
AzureIoTClient 11:31ebaeb51e1e 64 static const char* PROPERTY_SEPARATOR = "&";
AzureIoTClient 12:658ca6865de2 65 static const char* REPORTED_PROPERTIES_TOPIC = "$iothub/twin/PATCH/properties/reported/?$rid=%"PRIu16;
AzureIoTClient 12:658ca6865de2 66 static const char* GET_PROPERTIES_TOPIC = "$iothub/twin/GET/?$rid=%"PRIu16;
AzureIoTClient 14:4dc2b011be33 67 static const char* DEVICE_METHOD_RESPONSE_TOPIC = "$iothub/methods/res/%d/?$rid=%s";
AzureIoTClient 12:658ca6865de2 68
AzureIoTClient 12:658ca6865de2 69 static const char* REQUEST_ID_PROPERTY = "?$rid=";
AzureIoTClient 11:31ebaeb51e1e 70
AzureIoTClient 18:ec8e5e97c6a4 71 static const char* MESSAGE_ID_PROPERTY = "mid";
AzureIoTClient 18:ec8e5e97c6a4 72 static const char* CORRELATION_ID_PROPERTY = "cid";
AzureIoTClient 18:ec8e5e97c6a4 73
AzureIoTClient 11:31ebaeb51e1e 74 #define UNSUBSCRIBE_FROM_TOPIC 0x0000
AzureIoTClient 12:658ca6865de2 75 #define SUBSCRIBE_GET_REPORTED_STATE_TOPIC 0x0001
AzureIoTClient 12:658ca6865de2 76 #define SUBSCRIBE_NOTIFICATION_STATE_TOPIC 0x0002
AzureIoTClient 11:31ebaeb51e1e 77 #define SUBSCRIBE_TELEMETRY_TOPIC 0x0004
AzureIoTClient 12:658ca6865de2 78 #define SUBSCRIBE_METHODS_TOPIC 0x0008
AzureIoTClient 12:658ca6865de2 79 #define SUBSCRIBE_DEVICE_METHOD_TOPIC 0x0010
AzureIoTClient 12:658ca6865de2 80 #define SUBSCRIBE_TOPIC_COUNT 4
AzureIoTClient 11:31ebaeb51e1e 81
AzureIoTClient 17:774695cb8554 82 DEFINE_ENUM_STRINGS(MQTT_CLIENT_EVENT_ERROR, MQTT_CLIENT_EVENT_ERROR_VALUES)
AzureIoTClient 17:774695cb8554 83
AzureIoTClient 11:31ebaeb51e1e 84 typedef struct SYSTEM_PROPERTY_INFO_TAG
AzureIoTClient 11:31ebaeb51e1e 85 {
AzureIoTClient 11:31ebaeb51e1e 86 const char* propName;
AzureIoTClient 11:31ebaeb51e1e 87 size_t propLength;
AzureIoTClient 11:31ebaeb51e1e 88 } SYSTEM_PROPERTY_INFO;
AzureIoTClient 11:31ebaeb51e1e 89
AzureIoTClient 11:31ebaeb51e1e 90 static SYSTEM_PROPERTY_INFO sysPropList[] = {
AzureIoTClient 11:31ebaeb51e1e 91 { "%24.exp", 7 },
AzureIoTClient 11:31ebaeb51e1e 92 { "%24.mid", 7 },
AzureIoTClient 11:31ebaeb51e1e 93 { "%24.uid", 7 },
AzureIoTClient 11:31ebaeb51e1e 94 { "%24.to", 6 },
AzureIoTClient 11:31ebaeb51e1e 95 { "%24.cid", 7 },
AzureIoTClient 11:31ebaeb51e1e 96 { "devices/", 8 },
AzureIoTClient 11:31ebaeb51e1e 97 { "iothub-operation", 16 },
AzureIoTClient 11:31ebaeb51e1e 98 { "iothub-ack", 10 }
AzureIoTClient 11:31ebaeb51e1e 99 };
AzureIoTClient 11:31ebaeb51e1e 100
AzureIoTClient 12:658ca6865de2 101 typedef enum DEVICE_TWIN_MSG_TYPE_TAG
AzureIoTClient 12:658ca6865de2 102 {
AzureIoTClient 12:658ca6865de2 103 REPORTED_STATE,
AzureIoTClient 12:658ca6865de2 104 RETRIEVE_PROPERTIES
AzureIoTClient 12:658ca6865de2 105 } DEVICE_TWIN_MSG_TYPE;
AzureIoTClient 12:658ca6865de2 106
AzureIoTClient 11:31ebaeb51e1e 107 typedef enum MQTT_TRANSPORT_CREDENTIAL_TYPE_TAG
AzureIoTClient 11:31ebaeb51e1e 108 {
AzureIoTClient 11:31ebaeb51e1e 109 CREDENTIAL_NOT_BUILD,
AzureIoTClient 11:31ebaeb51e1e 110 X509,
AzureIoTClient 11:31ebaeb51e1e 111 SAS_TOKEN_FROM_USER,
AzureIoTClient 11:31ebaeb51e1e 112 DEVICE_KEY,
AzureIoTClient 11:31ebaeb51e1e 113 } MQTT_TRANSPORT_CREDENTIAL_TYPE;
AzureIoTClient 11:31ebaeb51e1e 114
AzureIoTClient 12:658ca6865de2 115 typedef int(*RETRY_POLICY)(bool *permit, size_t* delay, void* retryContextCallback);
AzureIoTClient 12:658ca6865de2 116
AzureIoTClient 12:658ca6865de2 117 typedef struct RETRY_LOGIC_TAG
AzureIoTClient 12:658ca6865de2 118 {
AzureIoTClient 17:774695cb8554 119 IOTHUB_CLIENT_RETRY_POLICY retryPolicy; // Type of policy we're using
AzureIoTClient 17:774695cb8554 120 size_t retryTimeoutLimitInSeconds; // If we don't connect in this many seconds, give up even trying.
AzureIoTClient 17:774695cb8554 121 RETRY_POLICY fnRetryPolicy; // Pointer to the policy function
AzureIoTClient 17:774695cb8554 122 time_t start; // When did we start retrying?
AzureIoTClient 17:774695cb8554 123 time_t lastConnect; // When did we last try to connect?
AzureIoTClient 17:774695cb8554 124 bool retryStarted; // true if the retry timer is set and we're trying to retry
AzureIoTClient 17:774695cb8554 125 bool retryExpired; // true if we haven't connected in retryTimeoutLimitInSeconds seconds
AzureIoTClient 17:774695cb8554 126 bool firstAttempt; // true on init so we can connect the first time without waiting for any timeouts.
AzureIoTClient 17:774695cb8554 127 size_t retrycount; // How many times have we tried connecting?
AzureIoTClient 17:774695cb8554 128 size_t delayFromLastConnectToRetry; // last time delta betweewn retry attempts.
AzureIoTClient 12:658ca6865de2 129 } RETRY_LOGIC;
AzureIoTClient 12:658ca6865de2 130
AzureIoTClient 11:31ebaeb51e1e 131 typedef struct MQTT_TRANSPORT_CREDENTIALS_TAG
AzureIoTClient 11:31ebaeb51e1e 132 {
AzureIoTClient 11:31ebaeb51e1e 133 MQTT_TRANSPORT_CREDENTIAL_TYPE credential_type;
AzureIoTClient 11:31ebaeb51e1e 134 union
AzureIoTClient 11:31ebaeb51e1e 135 {
AzureIoTClient 11:31ebaeb51e1e 136 // Key associated to the device to be used.
AzureIoTClient 11:31ebaeb51e1e 137 STRING_HANDLE deviceKey;
AzureIoTClient 11:31ebaeb51e1e 138
AzureIoTClient 11:31ebaeb51e1e 139 // SAS associated to the device to be used.
AzureIoTClient 11:31ebaeb51e1e 140 STRING_HANDLE deviceSasToken;
AzureIoTClient 11:31ebaeb51e1e 141
AzureIoTClient 11:31ebaeb51e1e 142 } CREDENTIAL_VALUE;
AzureIoTClient 11:31ebaeb51e1e 143 } MQTT_TRANSPORT_CREDENTIALS;
AzureIoTClient 11:31ebaeb51e1e 144
AzureIoTClient 20:594780be216d 145 typedef enum MQTT_CLIENT_STATUS_TAG
AzureIoTClient 20:594780be216d 146 {
AzureIoTClient 20:594780be216d 147 MQTT_CLIENT_STATUS_NOT_CONNECTED,
AzureIoTClient 20:594780be216d 148 MQTT_CLIENT_STATUS_CONNECTING,
AzureIoTClient 20:594780be216d 149 MQTT_CLIENT_STATUS_CONNECTED
AzureIoTClient 20:594780be216d 150 } MQTT_CLIENT_STATUS;
AzureIoTClient 20:594780be216d 151
AzureIoTClient 11:31ebaeb51e1e 152 typedef struct MQTTTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient 11:31ebaeb51e1e 153 {
AzureIoTClient 11:31ebaeb51e1e 154 // Topic control
AzureIoTClient 11:31ebaeb51e1e 155 STRING_HANDLE topic_MqttEvent;
AzureIoTClient 11:31ebaeb51e1e 156 STRING_HANDLE topic_MqttMessage;
AzureIoTClient 12:658ca6865de2 157 STRING_HANDLE topic_GetState;
AzureIoTClient 12:658ca6865de2 158 STRING_HANDLE topic_NotifyState;
AzureIoTClient 12:658ca6865de2 159
AzureIoTClient 12:658ca6865de2 160 STRING_HANDLE topic_DeviceMethods;
AzureIoTClient 11:31ebaeb51e1e 161
AzureIoTClient 11:31ebaeb51e1e 162 uint32_t topics_ToSubscribe;
AzureIoTClient 12:658ca6865de2 163
AzureIoTClient 11:31ebaeb51e1e 164 // Connection related constants
AzureIoTClient 11:31ebaeb51e1e 165 STRING_HANDLE hostAddress;
AzureIoTClient 11:31ebaeb51e1e 166 STRING_HANDLE device_id;
AzureIoTClient 11:31ebaeb51e1e 167 STRING_HANDLE devicesPath;
AzureIoTClient 11:31ebaeb51e1e 168 int portNum;
AzureIoTClient 11:31ebaeb51e1e 169
AzureIoTClient 11:31ebaeb51e1e 170 // Authentication
AzureIoTClient 11:31ebaeb51e1e 171 MQTT_TRANSPORT_CREDENTIALS transport_creds;
AzureIoTClient 11:31ebaeb51e1e 172
AzureIoTClient 11:31ebaeb51e1e 173 MQTT_GET_IO_TRANSPORT get_io_transport;
AzureIoTClient 11:31ebaeb51e1e 174
AzureIoTClient 11:31ebaeb51e1e 175 // The current mqtt iothub implementation requires that the hub name and the domain suffix be passed as the first of a series of segments
AzureIoTClient 11:31ebaeb51e1e 176 // passed through the username portion of the connection frame.
AzureIoTClient 11:31ebaeb51e1e 177 // The second segment will contain the device id. The two segments are delemited by a "/".
AzureIoTClient 11:31ebaeb51e1e 178 // The first segment can be a maximum 256 characters.
AzureIoTClient 11:31ebaeb51e1e 179 // The second segment can be a maximum 128 characters.
AzureIoTClient 11:31ebaeb51e1e 180 // With the / delimeter you have 384 chars (Plus a terminator of 0).
AzureIoTClient 11:31ebaeb51e1e 181 STRING_HANDLE configPassedThroughUsername;
AzureIoTClient 11:31ebaeb51e1e 182
AzureIoTClient 11:31ebaeb51e1e 183 // Upper layer
AzureIoTClient 11:31ebaeb51e1e 184 IOTHUB_CLIENT_LL_HANDLE llClientHandle;
AzureIoTClient 11:31ebaeb51e1e 185
AzureIoTClient 11:31ebaeb51e1e 186 // Protocol
AzureIoTClient 11:31ebaeb51e1e 187 MQTT_CLIENT_HANDLE mqttClient;
AzureIoTClient 11:31ebaeb51e1e 188 XIO_HANDLE xioTransport;
AzureIoTClient 11:31ebaeb51e1e 189
AzureIoTClient 11:31ebaeb51e1e 190 // Session - connection
AzureIoTClient 11:31ebaeb51e1e 191 uint16_t packetId;
AzureIoTClient 11:31ebaeb51e1e 192
AzureIoTClient 11:31ebaeb51e1e 193 // Connection state control
AzureIoTClient 11:31ebaeb51e1e 194 bool isRegistered;
AzureIoTClient 20:594780be216d 195 MQTT_CLIENT_STATUS mqttClientStatus;
AzureIoTClient 11:31ebaeb51e1e 196 bool isDestroyCalled;
AzureIoTClient 12:658ca6865de2 197 bool device_twin_get_sent;
AzureIoTClient 12:658ca6865de2 198 bool isRecoverableError;
AzureIoTClient 11:31ebaeb51e1e 199 uint16_t keepAliveValue;
Azure.IoT.Build 13:606465879c57 200 tickcounter_ms_t mqtt_connect_time;
AzureIoTClient 11:31ebaeb51e1e 201 size_t connectFailCount;
Azure.IoT.Build 13:606465879c57 202 tickcounter_ms_t connectTick;
AzureIoTClient 11:31ebaeb51e1e 203 bool log_trace;
AzureIoTClient 11:31ebaeb51e1e 204 bool raw_trace;
Azure.IoT.Build 13:606465879c57 205 TICK_COUNTER_HANDLE msgTickCounter;
AzureIoTClient 11:31ebaeb51e1e 206
AzureIoTClient 11:31ebaeb51e1e 207 // Internal lists for message tracking
AzureIoTClient 11:31ebaeb51e1e 208 PDLIST_ENTRY waitingToSend;
AzureIoTClient 12:658ca6865de2 209 DLIST_ENTRY ack_waiting_queue;
AzureIoTClient 12:658ca6865de2 210
AzureIoTClient 11:31ebaeb51e1e 211 // Message tracking
AzureIoTClient 11:31ebaeb51e1e 212 CONTROL_PACKET_TYPE currPacketState;
AzureIoTClient 11:31ebaeb51e1e 213
AzureIoTClient 11:31ebaeb51e1e 214 // Telemetry specific
AzureIoTClient 11:31ebaeb51e1e 215 DLIST_ENTRY telemetry_waitingForAck;
AzureIoTClient 12:658ca6865de2 216
AzureIoTClient 12:658ca6865de2 217 //Retry Logic
AzureIoTClient 12:658ca6865de2 218 RETRY_LOGIC* retryLogic;
AzureIoTClient 20:594780be216d 219
AzureIoTClient 20:594780be216d 220 char* http_proxy_hostname;
AzureIoTClient 20:594780be216d 221 int http_proxy_port;
AzureIoTClient 20:594780be216d 222 char* http_proxy_username;
AzureIoTClient 20:594780be216d 223 char* http_proxy_password;
AzureIoTClient 11:31ebaeb51e1e 224 } MQTTTRANSPORT_HANDLE_DATA, *PMQTTTRANSPORT_HANDLE_DATA;
AzureIoTClient 11:31ebaeb51e1e 225
AzureIoTClient 12:658ca6865de2 226 typedef struct MQTT_DEVICE_TWIN_ITEM_TAG
AzureIoTClient 12:658ca6865de2 227 {
Azure.IoT.Build 13:606465879c57 228 tickcounter_ms_t msgPublishTime;
AzureIoTClient 12:658ca6865de2 229 size_t retryCount;
AzureIoTClient 12:658ca6865de2 230 IOTHUB_IDENTITY_TYPE iothub_type;
AzureIoTClient 12:658ca6865de2 231 uint16_t packet_id;
AzureIoTClient 12:658ca6865de2 232 uint32_t iothub_msg_id;
AzureIoTClient 12:658ca6865de2 233 IOTHUB_DEVICE_TWIN* device_twin_data;
AzureIoTClient 12:658ca6865de2 234 DEVICE_TWIN_MSG_TYPE device_twin_msg_type;
AzureIoTClient 12:658ca6865de2 235 DLIST_ENTRY entry;
AzureIoTClient 12:658ca6865de2 236 } MQTT_DEVICE_TWIN_ITEM;
AzureIoTClient 12:658ca6865de2 237
AzureIoTClient 11:31ebaeb51e1e 238 typedef struct MQTT_MESSAGE_DETAILS_LIST_TAG
AzureIoTClient 11:31ebaeb51e1e 239 {
Azure.IoT.Build 13:606465879c57 240 tickcounter_ms_t msgPublishTime;
AzureIoTClient 11:31ebaeb51e1e 241 size_t retryCount;
AzureIoTClient 11:31ebaeb51e1e 242 IOTHUB_MESSAGE_LIST* iotHubMessageEntry;
AzureIoTClient 11:31ebaeb51e1e 243 void* context;
AzureIoTClient 11:31ebaeb51e1e 244 uint16_t packet_id;
AzureIoTClient 11:31ebaeb51e1e 245 DLIST_ENTRY entry;
AzureIoTClient 11:31ebaeb51e1e 246 } MQTT_MESSAGE_DETAILS_LIST, *PMQTT_MESSAGE_DETAILS_LIST;
AzureIoTClient 11:31ebaeb51e1e 247
AzureIoTClient 14:4dc2b011be33 248 typedef struct DEVICE_METHOD_INFO_TAG
AzureIoTClient 14:4dc2b011be33 249 {
AzureIoTClient 14:4dc2b011be33 250 STRING_HANDLE request_id;
AzureIoTClient 14:4dc2b011be33 251 } DEVICE_METHOD_INFO;
AzureIoTClient 14:4dc2b011be33 252
AzureIoTClient 20:594780be216d 253 static void free_proxy_data(MQTTTRANSPORT_HANDLE_DATA* mqtt_transport_instance)
AzureIoTClient 20:594780be216d 254 {
AzureIoTClient 20:594780be216d 255 if (mqtt_transport_instance->http_proxy_hostname != NULL)
AzureIoTClient 20:594780be216d 256 {
AzureIoTClient 20:594780be216d 257 free(mqtt_transport_instance->http_proxy_hostname);
AzureIoTClient 20:594780be216d 258 mqtt_transport_instance->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 259 }
AzureIoTClient 20:594780be216d 260
AzureIoTClient 20:594780be216d 261 if (mqtt_transport_instance->http_proxy_username != NULL)
AzureIoTClient 20:594780be216d 262 {
AzureIoTClient 20:594780be216d 263 free(mqtt_transport_instance->http_proxy_username);
AzureIoTClient 20:594780be216d 264 mqtt_transport_instance->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 265 }
AzureIoTClient 20:594780be216d 266
AzureIoTClient 20:594780be216d 267 if (mqtt_transport_instance->http_proxy_password != NULL)
AzureIoTClient 20:594780be216d 268 {
AzureIoTClient 20:594780be216d 269 free(mqtt_transport_instance->http_proxy_password);
AzureIoTClient 20:594780be216d 270 mqtt_transport_instance->http_proxy_password = NULL;
AzureIoTClient 20:594780be216d 271 }
AzureIoTClient 20:594780be216d 272 }
AzureIoTClient 20:594780be216d 273
AzureIoTClient 12:658ca6865de2 274 static int RetryPolicy_Exponential_BackOff_With_Jitter(bool *permit, size_t* delay, void* retryContextCallback)
AzureIoTClient 12:658ca6865de2 275 {
AzureIoTClient 12:658ca6865de2 276 int result;
AzureIoTClient 12:658ca6865de2 277
AzureIoTClient 12:658ca6865de2 278 if (retryContextCallback != NULL && permit != NULL && delay != NULL)
AzureIoTClient 12:658ca6865de2 279 {
AzureIoTClient 12:658ca6865de2 280 RETRY_LOGIC *retryLogic = (RETRY_LOGIC*)retryContextCallback;
AzureIoTClient 12:658ca6865de2 281 int numOfFailures = (int) retryLogic->retrycount;
AzureIoTClient 12:658ca6865de2 282 *permit = true;
AzureIoTClient 12:658ca6865de2 283
AzureIoTClient 12:658ca6865de2 284 /*Intentionally not evaluating fraction of a second as it woudn't work on all platforms*/
AzureIoTClient 12:658ca6865de2 285
AzureIoTClient 12:658ca6865de2 286 /* Exponential backoff with jitter
AzureIoTClient 12:658ca6865de2 287 1. delay = (pow(2, attempt) - 1 ) / 2
AzureIoTClient 12:658ca6865de2 288 2. delay with jitter = delay + rand_between(0, delay/2)
AzureIoTClient 12:658ca6865de2 289 */
AzureIoTClient 12:658ca6865de2 290
AzureIoTClient 12:658ca6865de2 291 size_t halfDelta = ((1 << numOfFailures) - 1) / 4;
AzureIoTClient 12:658ca6865de2 292 if (halfDelta > 0)
AzureIoTClient 12:658ca6865de2 293 {
AzureIoTClient 12:658ca6865de2 294 *delay = halfDelta + (rand() % (int)halfDelta);
AzureIoTClient 12:658ca6865de2 295 }
AzureIoTClient 12:658ca6865de2 296 else
AzureIoTClient 12:658ca6865de2 297 {
AzureIoTClient 12:658ca6865de2 298 *delay = halfDelta;
AzureIoTClient 12:658ca6865de2 299 }
AzureIoTClient 12:658ca6865de2 300
AzureIoTClient 12:658ca6865de2 301 result = 0;
AzureIoTClient 12:658ca6865de2 302 }
AzureIoTClient 12:658ca6865de2 303 else
AzureIoTClient 12:658ca6865de2 304 {
AzureIoTClient 18:ec8e5e97c6a4 305 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 306 }
AzureIoTClient 12:658ca6865de2 307 return result;
AzureIoTClient 12:658ca6865de2 308 }
AzureIoTClient 12:658ca6865de2 309
AzureIoTClient 12:658ca6865de2 310 static RETRY_LOGIC* CreateRetryLogic(IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient 12:658ca6865de2 311 {
AzureIoTClient 12:658ca6865de2 312 RETRY_LOGIC *retryLogic;
AzureIoTClient 12:658ca6865de2 313 retryLogic = (RETRY_LOGIC*)malloc(sizeof(RETRY_LOGIC));
AzureIoTClient 12:658ca6865de2 314 if (retryLogic != NULL)
AzureIoTClient 12:658ca6865de2 315 {
AzureIoTClient 12:658ca6865de2 316 retryLogic->retryPolicy = retryPolicy;
AzureIoTClient 12:658ca6865de2 317 retryLogic->retryTimeoutLimitInSeconds = retryTimeoutLimitInSeconds;
AzureIoTClient 12:658ca6865de2 318 switch (retryLogic->retryPolicy)
AzureIoTClient 12:658ca6865de2 319 {
AzureIoTClient 12:658ca6865de2 320 case IOTHUB_CLIENT_RETRY_NONE:
AzureIoTClient 12:658ca6865de2 321 LogError("Not implemented chosing default");
AzureIoTClient 12:658ca6865de2 322 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 323 break;
AzureIoTClient 12:658ca6865de2 324 case IOTHUB_CLIENT_RETRY_IMMEDIATE:
AzureIoTClient 12:658ca6865de2 325 LogError("Not implemented chosing default");
AzureIoTClient 12:658ca6865de2 326 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 327 break;
AzureIoTClient 12:658ca6865de2 328 case IOTHUB_CLIENT_RETRY_INTERVAL:
AzureIoTClient 12:658ca6865de2 329 LogError("Not implemented chosing default");
AzureIoTClient 12:658ca6865de2 330 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 331 break;
AzureIoTClient 12:658ca6865de2 332 case IOTHUB_CLIENT_RETRY_LINEAR_BACKOFF:
AzureIoTClient 12:658ca6865de2 333 LogError("Not implemented chosing default");
AzureIoTClient 12:658ca6865de2 334 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 335 break;
AzureIoTClient 12:658ca6865de2 336 case IOTHUB_CLIENT_RETRY_EXPONENTIAL_BACKOFF:
AzureIoTClient 12:658ca6865de2 337 LogError("Not implemented chosing default");
AzureIoTClient 12:658ca6865de2 338 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 339 break;
AzureIoTClient 12:658ca6865de2 340 case IOTHUB_CLIENT_RETRY_RANDOM:
AzureIoTClient 12:658ca6865de2 341 LogError("Not implemented chosing default");
AzureIoTClient 12:658ca6865de2 342 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 343 break;
AzureIoTClient 12:658ca6865de2 344 case IOTHUB_CLIENT_RETRY_EXPONENTIAL_BACKOFF_WITH_JITTER:
AzureIoTClient 12:658ca6865de2 345 default:
AzureIoTClient 12:658ca6865de2 346 retryLogic->fnRetryPolicy = &RetryPolicy_Exponential_BackOff_With_Jitter;
AzureIoTClient 12:658ca6865de2 347 break;
AzureIoTClient 12:658ca6865de2 348 }
AzureIoTClient 12:658ca6865de2 349 retryLogic->start = EPOCH_TIME_T_VALUE;
AzureIoTClient 12:658ca6865de2 350 retryLogic->delayFromLastConnectToRetry = 0;
AzureIoTClient 12:658ca6865de2 351 retryLogic->lastConnect = EPOCH_TIME_T_VALUE;
AzureIoTClient 12:658ca6865de2 352 retryLogic->retryStarted = false;
AzureIoTClient 12:658ca6865de2 353 retryLogic->retryExpired = false;
AzureIoTClient 17:774695cb8554 354 retryLogic->firstAttempt = true;
AzureIoTClient 12:658ca6865de2 355 retryLogic->retrycount = 0;
AzureIoTClient 12:658ca6865de2 356 }
AzureIoTClient 12:658ca6865de2 357 else
AzureIoTClient 12:658ca6865de2 358 {
AzureIoTClient 12:658ca6865de2 359 LogError("Init retry logic failed");
AzureIoTClient 12:658ca6865de2 360 }
AzureIoTClient 12:658ca6865de2 361 return retryLogic;
AzureIoTClient 12:658ca6865de2 362 }
AzureIoTClient 12:658ca6865de2 363
AzureIoTClient 12:658ca6865de2 364 static void DestroyRetryLogic(RETRY_LOGIC *retryLogic)
AzureIoTClient 12:658ca6865de2 365 {
AzureIoTClient 12:658ca6865de2 366 if (retryLogic != NULL)
AzureIoTClient 12:658ca6865de2 367 {
AzureIoTClient 12:658ca6865de2 368 free(retryLogic);
AzureIoTClient 12:658ca6865de2 369 retryLogic = NULL;
AzureIoTClient 12:658ca6865de2 370 }
AzureIoTClient 12:658ca6865de2 371 }
AzureIoTClient 12:658ca6865de2 372
AzureIoTClient 12:658ca6865de2 373 // Called when first attempted to re-connect
AzureIoTClient 12:658ca6865de2 374 static void StartRetryTimer(RETRY_LOGIC *retryLogic)
AzureIoTClient 12:658ca6865de2 375 {
AzureIoTClient 12:658ca6865de2 376 if (retryLogic != NULL)
AzureIoTClient 12:658ca6865de2 377 {
AzureIoTClient 12:658ca6865de2 378 if (retryLogic->retryStarted == false)
AzureIoTClient 12:658ca6865de2 379 {
AzureIoTClient 12:658ca6865de2 380 retryLogic->start = get_time(NULL);
AzureIoTClient 12:658ca6865de2 381 retryLogic->delayFromLastConnectToRetry = 0;
AzureIoTClient 12:658ca6865de2 382 retryLogic->retryStarted = true;
AzureIoTClient 12:658ca6865de2 383 }
AzureIoTClient 12:658ca6865de2 384
AzureIoTClient 17:774695cb8554 385 retryLogic->firstAttempt = false
AzureIoTClient 17:774695cb8554 386 ;
AzureIoTClient 12:658ca6865de2 387 }
AzureIoTClient 12:658ca6865de2 388 else
AzureIoTClient 12:658ca6865de2 389 {
AzureIoTClient 12:658ca6865de2 390 LogError("Retry Logic parameter. NULL.");
AzureIoTClient 12:658ca6865de2 391 }
AzureIoTClient 12:658ca6865de2 392 }
AzureIoTClient 12:658ca6865de2 393
AzureIoTClient 12:658ca6865de2 394 // Called when connected
AzureIoTClient 12:658ca6865de2 395 static void StopRetryTimer(RETRY_LOGIC *retryLogic)
AzureIoTClient 12:658ca6865de2 396 {
AzureIoTClient 12:658ca6865de2 397 if (retryLogic != NULL)
AzureIoTClient 12:658ca6865de2 398 {
AzureIoTClient 12:658ca6865de2 399 if (retryLogic->retryStarted == true)
AzureIoTClient 12:658ca6865de2 400 {
AzureIoTClient 12:658ca6865de2 401 retryLogic->retryStarted = false;
AzureIoTClient 12:658ca6865de2 402 retryLogic->delayFromLastConnectToRetry = 0;
AzureIoTClient 12:658ca6865de2 403 retryLogic->lastConnect = EPOCH_TIME_T_VALUE;
AzureIoTClient 12:658ca6865de2 404 retryLogic->retrycount = 0;
AzureIoTClient 12:658ca6865de2 405 }
AzureIoTClient 12:658ca6865de2 406 else
AzureIoTClient 12:658ca6865de2 407 {
AzureIoTClient 12:658ca6865de2 408 LogError("Start retry logic before stopping");
AzureIoTClient 12:658ca6865de2 409 }
AzureIoTClient 12:658ca6865de2 410 }
AzureIoTClient 12:658ca6865de2 411 else
AzureIoTClient 12:658ca6865de2 412 {
AzureIoTClient 12:658ca6865de2 413 LogError("Retry Logic parameter. NULL.");
AzureIoTClient 12:658ca6865de2 414 }
AzureIoTClient 12:658ca6865de2 415 }
AzureIoTClient 12:658ca6865de2 416
AzureIoTClient 12:658ca6865de2 417 int IoTHubTransport_MQTT_Common_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient 12:658ca6865de2 418 {
AzureIoTClient 12:658ca6865de2 419 int result;
AzureIoTClient 12:658ca6865de2 420 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 421 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 422 {
AzureIoTClient 12:658ca6865de2 423 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_041: [**If any handle is NULL then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return resultant line.] */
AzureIoTClient 12:658ca6865de2 424 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 425 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 426 }
AzureIoTClient 12:658ca6865de2 427 else
AzureIoTClient 12:658ca6865de2 428 {
AzureIoTClient 12:658ca6865de2 429 if (transport_data->retryLogic == NULL)
AzureIoTClient 12:658ca6865de2 430 {
AzureIoTClient 12:658ca6865de2 431 /*Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_042: [**If the retry logic is not already created then IoTHubTransport_MQTT_Common_SetRetryPolicy shall create retry logic by calling CreateRetryLogic with retry policy and retryTimeout as parameters]*/
AzureIoTClient 12:658ca6865de2 432 transport_data->retryLogic = CreateRetryLogic(retryPolicy, retryTimeoutLimitInSeconds);
AzureIoTClient 12:658ca6865de2 433 }
AzureIoTClient 12:658ca6865de2 434 else
AzureIoTClient 12:658ca6865de2 435 {
AzureIoTClient 12:658ca6865de2 436 /*Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_043: [**If the retry logic is already created then IoTHubTransport_MQTT_Common_SetRetryPolicy shall destroy existing retry logic and create retry logic by calling CreateRetryLogic with retry policy and retryTimeout as parameters]*/
AzureIoTClient 12:658ca6865de2 437 DestroyRetryLogic(transport_data->retryLogic);
AzureIoTClient 12:658ca6865de2 438 transport_data->retryLogic = CreateRetryLogic(retryPolicy, retryTimeoutLimitInSeconds);
AzureIoTClient 12:658ca6865de2 439 }
AzureIoTClient 12:658ca6865de2 440
AzureIoTClient 12:658ca6865de2 441 if (transport_data->retryLogic != NULL)
AzureIoTClient 12:658ca6865de2 442 {
AzureIoTClient 12:658ca6865de2 443 /*Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_045: [**If retry logic for specified parameters of retry policy and retryTimeoutLimitInSeconds is created successfully then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return 0]*/
AzureIoTClient 12:658ca6865de2 444 result = 0;
AzureIoTClient 12:658ca6865de2 445 }
AzureIoTClient 12:658ca6865de2 446 else
AzureIoTClient 12:658ca6865de2 447 {
AzureIoTClient 12:658ca6865de2 448 /*Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_044: [**If retry logic for specified parameters of retry policy and retryTimeoutLimitInSeconds cannot be created then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return resultant line]*/
AzureIoTClient 12:658ca6865de2 449 LogError("Retry Logic is not created");
AzureIoTClient 18:ec8e5e97c6a4 450 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 451 }
AzureIoTClient 12:658ca6865de2 452 }
AzureIoTClient 12:658ca6865de2 453 return result;
AzureIoTClient 12:658ca6865de2 454 }
AzureIoTClient 12:658ca6865de2 455
AzureIoTClient 12:658ca6865de2 456 // Called for every do_work when connection is broken
AzureIoTClient 12:658ca6865de2 457 static bool CanRetry(RETRY_LOGIC *retryLogic)
AzureIoTClient 12:658ca6865de2 458 {
AzureIoTClient 12:658ca6865de2 459 bool result;
AzureIoTClient 12:658ca6865de2 460 time_t now = get_time(NULL);
AzureIoTClient 12:658ca6865de2 461
AzureIoTClient 12:658ca6865de2 462 if (retryLogic == NULL)
AzureIoTClient 12:658ca6865de2 463 {
AzureIoTClient 12:658ca6865de2 464 LogError("Retry Logic is not created, retrying forever");
AzureIoTClient 12:658ca6865de2 465 result = true;
AzureIoTClient 12:658ca6865de2 466 }
AzureIoTClient 17:774695cb8554 467 else if (now < 0 || retryLogic->start < 0)
AzureIoTClient 12:658ca6865de2 468 {
AzureIoTClient 12:658ca6865de2 469 LogError("Time could not be retrieved, retrying forever");
AzureIoTClient 12:658ca6865de2 470 result = true;
AzureIoTClient 12:658ca6865de2 471 }
AzureIoTClient 12:658ca6865de2 472 else if (retryLogic->retryExpired)
AzureIoTClient 12:658ca6865de2 473 {
AzureIoTClient 17:774695cb8554 474 // We've given up trying to retry. Don't do anything.
AzureIoTClient 12:658ca6865de2 475 result = false;
AzureIoTClient 12:658ca6865de2 476 }
AzureIoTClient 17:774695cb8554 477 else if (retryLogic->firstAttempt)
AzureIoTClient 12:658ca6865de2 478 {
AzureIoTClient 17:774695cb8554 479 // This is the first time ever running through this code. We need to try connecting no matter what.
AzureIoTClient 12:658ca6865de2 480 StartRetryTimer(retryLogic);
AzureIoTClient 12:658ca6865de2 481 retryLogic->lastConnect = now;
AzureIoTClient 12:658ca6865de2 482 retryLogic->retrycount++;
AzureIoTClient 12:658ca6865de2 483 result = true;
AzureIoTClient 12:658ca6865de2 484 }
AzureIoTClient 12:658ca6865de2 485 else
AzureIoTClient 12:658ca6865de2 486 {
AzureIoTClient 17:774695cb8554 487 // Are we trying to retry?
AzureIoTClient 12:658ca6865de2 488 if (retryLogic->retryStarted)
AzureIoTClient 12:658ca6865de2 489 {
AzureIoTClient 17:774695cb8554 490 // How long since we last tried to connect? Store this in difftime.
AzureIoTClient 12:658ca6865de2 491 double diffTime = get_difftime(now, retryLogic->lastConnect);
AzureIoTClient 17:774695cb8554 492
AzureIoTClient 17:774695cb8554 493 // Has it been less than 5 seconds since we tried last? If so, we have to
AzureIoTClient 17:774695cb8554 494 // be careful so we don't hit the server too quickly.
AzureIoTClient 12:658ca6865de2 495 if (diffTime <= ERROR_TIME_FOR_RETRY_SECS)
AzureIoTClient 12:658ca6865de2 496 {
AzureIoTClient 17:774695cb8554 497 // As do_work can be called within as little as 1 ms, wait to avoid throtling server
AzureIoTClient 17:774695cb8554 498 result = false;
AzureIoTClient 12:658ca6865de2 499 }
AzureIoTClient 12:658ca6865de2 500 else if (diffTime < retryLogic->delayFromLastConnectToRetry)
AzureIoTClient 12:658ca6865de2 501 {
AzureIoTClient 17:774695cb8554 502 // delayFromLastConnectionToRetry is either 0 (the first time around)
AzureIoTClient 17:774695cb8554 503 // or it's the backoff delta from the last time through the loop.
AzureIoTClient 17:774695cb8554 504 // If we're less than that, don't even bother trying. It's
AzureIoTClient 12:658ca6865de2 505 // Too early to retry
AzureIoTClient 12:658ca6865de2 506 result = false;
AzureIoTClient 12:658ca6865de2 507 }
AzureIoTClient 12:658ca6865de2 508 else
AzureIoTClient 12:658ca6865de2 509 {
AzureIoTClient 12:658ca6865de2 510 // last retry time evaluated have crossed, determine when to try next
AzureIoTClient 17:774695cb8554 511 // In other words, it migth be time to retry, so we should validate with the retry policy function.
AzureIoTClient 12:658ca6865de2 512 bool permit = false;
AzureIoTClient 12:658ca6865de2 513 size_t delay;
AzureIoTClient 12:658ca6865de2 514
AzureIoTClient 12:658ca6865de2 515 if (retryLogic->fnRetryPolicy != NULL && (retryLogic->fnRetryPolicy(&permit, &delay, retryLogic) == 0))
AzureIoTClient 12:658ca6865de2 516 {
AzureIoTClient 17:774695cb8554 517 // Does the policy function want us to retry (permit == true), or are we still allowed to retry?
AzureIoTClient 17:774695cb8554 518 // (in other words, are we within retryTimeoutLimitInSeconds seconds since starting to retry?)
AzureIoTClient 17:774695cb8554 519 // If so, see if we _really_ want to retry.
AzureIoTClient 12:658ca6865de2 520 if ((permit == true) && ((retryLogic->retryTimeoutLimitInSeconds == 0) || retryLogic->retryTimeoutLimitInSeconds >= (delay + get_difftime(now, retryLogic->start))))
AzureIoTClient 12:658ca6865de2 521 {
AzureIoTClient 12:658ca6865de2 522 retryLogic->delayFromLastConnectToRetry = delay;
AzureIoTClient 12:658ca6865de2 523
AzureIoTClient 12:658ca6865de2 524 LogInfo("Evaluated delay %d at %d attempt to retry\n", delay, retryLogic->retrycount);
AzureIoTClient 12:658ca6865de2 525
AzureIoTClient 17:774695cb8554 526 // If the retry policy is telling us to connect right away ( <= ERROR_TIME_FOR_RETRY_SECS),
AzureIoTClient 17:774695cb8554 527 // or if enough time has elapsed, then we retry.
AzureIoTClient 17:774695cb8554 528 if ((retryLogic->delayFromLastConnectToRetry <= ERROR_TIME_FOR_RETRY_SECS) ||
AzureIoTClient 17:774695cb8554 529 (diffTime >= retryLogic->delayFromLastConnectToRetry))
AzureIoTClient 12:658ca6865de2 530 {
AzureIoTClient 12:658ca6865de2 531 retryLogic->lastConnect = now;
AzureIoTClient 12:658ca6865de2 532 retryLogic->retrycount++;
AzureIoTClient 12:658ca6865de2 533 result = true;
AzureIoTClient 12:658ca6865de2 534 }
AzureIoTClient 12:658ca6865de2 535 else
AzureIoTClient 12:658ca6865de2 536 {
AzureIoTClient 17:774695cb8554 537 // To soon to retry according to policy.
AzureIoTClient 12:658ca6865de2 538 result = false;
AzureIoTClient 12:658ca6865de2 539 }
AzureIoTClient 12:658ca6865de2 540 }
AzureIoTClient 12:658ca6865de2 541 else
AzureIoTClient 12:658ca6865de2 542 {
AzureIoTClient 17:774695cb8554 543 // Retry expired. Stop trying.
AzureIoTClient 12:658ca6865de2 544 LogError("Retry timeout expired after %d attempts", retryLogic->retrycount);
AzureIoTClient 12:658ca6865de2 545 retryLogic->retryExpired = true;
AzureIoTClient 12:658ca6865de2 546 StopRetryTimer(retryLogic);
AzureIoTClient 12:658ca6865de2 547 result = false;
AzureIoTClient 12:658ca6865de2 548 }
AzureIoTClient 12:658ca6865de2 549 }
AzureIoTClient 12:658ca6865de2 550 else
AzureIoTClient 12:658ca6865de2 551 {
AzureIoTClient 17:774695cb8554 552 // We don't have a retry policy. Sorry, can't even guess. Don't bother even trying to retry.
AzureIoTClient 12:658ca6865de2 553 LogError("Cannot evaluate the next best time to retry");
AzureIoTClient 12:658ca6865de2 554 result = false;
AzureIoTClient 12:658ca6865de2 555 }
AzureIoTClient 12:658ca6865de2 556 }
AzureIoTClient 12:658ca6865de2 557 }
AzureIoTClient 12:658ca6865de2 558 else
AzureIoTClient 12:658ca6865de2 559 {
AzureIoTClient 17:774695cb8554 560 // Since this function is only called when the connection is
AzureIoTClient 17:774695cb8554 561 // already broken, we can start doing the rety logic. We'll do the
AzureIoTClient 17:774695cb8554 562 // actual interval checking next time around this loop.
AzureIoTClient 12:658ca6865de2 563 StartRetryTimer(retryLogic);
AzureIoTClient 12:658ca6865de2 564 //wait for next do work to evaluate next best attempt
AzureIoTClient 12:658ca6865de2 565 result = false;
AzureIoTClient 12:658ca6865de2 566 }
AzureIoTClient 12:658ca6865de2 567 }
AzureIoTClient 12:658ca6865de2 568 return result;
AzureIoTClient 12:658ca6865de2 569 }
AzureIoTClient 12:658ca6865de2 570
AzureIoTClient 12:658ca6865de2 571
AzureIoTClient 11:31ebaeb51e1e 572 static uint16_t get_next_packet_id(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 573 {
AzureIoTClient 11:31ebaeb51e1e 574 if (transport_data->packetId+1 >= USHRT_MAX)
AzureIoTClient 11:31ebaeb51e1e 575 {
AzureIoTClient 11:31ebaeb51e1e 576 transport_data->packetId = 1;
AzureIoTClient 11:31ebaeb51e1e 577 }
AzureIoTClient 11:31ebaeb51e1e 578 else
AzureIoTClient 11:31ebaeb51e1e 579 {
AzureIoTClient 11:31ebaeb51e1e 580 transport_data->packetId++;
AzureIoTClient 11:31ebaeb51e1e 581 }
AzureIoTClient 11:31ebaeb51e1e 582 return transport_data->packetId;
AzureIoTClient 11:31ebaeb51e1e 583 }
AzureIoTClient 11:31ebaeb51e1e 584
AzureIoTClient 11:31ebaeb51e1e 585 static const char* retrieve_mqtt_return_codes(CONNECT_RETURN_CODE rtn_code)
AzureIoTClient 11:31ebaeb51e1e 586 {
AzureIoTClient 11:31ebaeb51e1e 587 switch (rtn_code)
AzureIoTClient 11:31ebaeb51e1e 588 {
AzureIoTClient 11:31ebaeb51e1e 589 case CONNECTION_ACCEPTED:
AzureIoTClient 11:31ebaeb51e1e 590 return "Accepted";
AzureIoTClient 11:31ebaeb51e1e 591 case CONN_REFUSED_UNACCEPTABLE_VERSION:
AzureIoTClient 11:31ebaeb51e1e 592 return "Unacceptable Version";
AzureIoTClient 11:31ebaeb51e1e 593 case CONN_REFUSED_ID_REJECTED:
AzureIoTClient 11:31ebaeb51e1e 594 return "Id Rejected";
AzureIoTClient 11:31ebaeb51e1e 595 case CONN_REFUSED_SERVER_UNAVAIL:
AzureIoTClient 11:31ebaeb51e1e 596 return "Server Unavailable";
AzureIoTClient 11:31ebaeb51e1e 597 case CONN_REFUSED_BAD_USERNAME_PASSWORD:
AzureIoTClient 11:31ebaeb51e1e 598 return "Bad Username/Password";
AzureIoTClient 11:31ebaeb51e1e 599 case CONN_REFUSED_NOT_AUTHORIZED:
AzureIoTClient 11:31ebaeb51e1e 600 return "Not Authorized";
AzureIoTClient 11:31ebaeb51e1e 601 case CONN_REFUSED_UNKNOWN:
AzureIoTClient 11:31ebaeb51e1e 602 default:
AzureIoTClient 11:31ebaeb51e1e 603 return "Unknown";
AzureIoTClient 11:31ebaeb51e1e 604 }
AzureIoTClient 11:31ebaeb51e1e 605 }
AzureIoTClient 11:31ebaeb51e1e 606
AzureIoTClient 14:4dc2b011be33 607 static int retrieve_device_method_rid_info(const char* resp_topic, STRING_HANDLE method_name, STRING_HANDLE request_id)
AzureIoTClient 12:658ca6865de2 608 {
AzureIoTClient 12:658ca6865de2 609 int result;
AzureIoTClient 12:658ca6865de2 610 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 611 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 612 {
AzureIoTClient 12:658ca6865de2 613 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 614 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 615 }
AzureIoTClient 12:658ca6865de2 616 else
AzureIoTClient 12:658ca6865de2 617 {
AzureIoTClient 12:658ca6865de2 618 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 619 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 620 {
AzureIoTClient 12:658ca6865de2 621 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 622 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 623 }
AzureIoTClient 12:658ca6865de2 624 else
AzureIoTClient 12:658ca6865de2 625 {
AzureIoTClient 12:658ca6865de2 626 size_t token_index = 0;
AzureIoTClient 12:658ca6865de2 627 size_t request_id_length = strlen(REQUEST_ID_PROPERTY);
AzureIoTClient 18:ec8e5e97c6a4 628 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 629 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 630 {
AzureIoTClient 12:658ca6865de2 631 if (token_index == 3)
AzureIoTClient 12:658ca6865de2 632 {
AzureIoTClient 12:658ca6865de2 633 if (STRING_concat_with_STRING(method_name, token_value) != 0)
AzureIoTClient 12:658ca6865de2 634 {
AzureIoTClient 14:4dc2b011be33 635 LogError("Failed STRING_concat_with_STRING.");
AzureIoTClient 18:ec8e5e97c6a4 636 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 637 break;
AzureIoTClient 12:658ca6865de2 638 }
AzureIoTClient 12:658ca6865de2 639 }
AzureIoTClient 12:658ca6865de2 640 else if (token_index == 4)
AzureIoTClient 12:658ca6865de2 641 {
AzureIoTClient 12:658ca6865de2 642 if (STRING_length(token_value) >= request_id_length)
AzureIoTClient 12:658ca6865de2 643 {
AzureIoTClient 12:658ca6865de2 644 const char* request_id_value = STRING_c_str(token_value);
AzureIoTClient 12:658ca6865de2 645 if (memcmp(request_id_value, REQUEST_ID_PROPERTY, request_id_length) == 0)
AzureIoTClient 12:658ca6865de2 646 {
AzureIoTClient 14:4dc2b011be33 647 if (STRING_concat(request_id, request_id_value+request_id_length) != 0)
AzureIoTClient 14:4dc2b011be33 648 {
AzureIoTClient 14:4dc2b011be33 649 LogError("Failed STRING_concat failed.");
AzureIoTClient 18:ec8e5e97c6a4 650 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 651 }
AzureIoTClient 14:4dc2b011be33 652 else
AzureIoTClient 14:4dc2b011be33 653 {
AzureIoTClient 14:4dc2b011be33 654 result = 0;
AzureIoTClient 14:4dc2b011be33 655 }
AzureIoTClient 12:658ca6865de2 656 break;
AzureIoTClient 12:658ca6865de2 657 }
AzureIoTClient 12:658ca6865de2 658 }
AzureIoTClient 12:658ca6865de2 659 }
AzureIoTClient 12:658ca6865de2 660 token_index++;
AzureIoTClient 12:658ca6865de2 661 }
AzureIoTClient 12:658ca6865de2 662 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 663 }
AzureIoTClient 12:658ca6865de2 664 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 665 }
AzureIoTClient 12:658ca6865de2 666 return result;
AzureIoTClient 12:658ca6865de2 667 }
AzureIoTClient 12:658ca6865de2 668
AzureIoTClient 12:658ca6865de2 669 static int parse_device_twin_topic_info(const char* resp_topic, bool* patch_msg, size_t* request_id, int* status_code)
AzureIoTClient 12:658ca6865de2 670 {
AzureIoTClient 12:658ca6865de2 671 int result;
AzureIoTClient 12:658ca6865de2 672 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 673 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 674 {
AzureIoTClient 12:658ca6865de2 675 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 676 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 677 *status_code = 0;
AzureIoTClient 12:658ca6865de2 678 *request_id = 0;
AzureIoTClient 12:658ca6865de2 679 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 680 }
AzureIoTClient 12:658ca6865de2 681 else
AzureIoTClient 12:658ca6865de2 682 {
AzureIoTClient 12:658ca6865de2 683 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 684 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 685 {
AzureIoTClient 12:658ca6865de2 686 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 687 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 688 *status_code = 0;
AzureIoTClient 12:658ca6865de2 689 *request_id = 0;
AzureIoTClient 12:658ca6865de2 690 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 691 }
AzureIoTClient 12:658ca6865de2 692 else
AzureIoTClient 12:658ca6865de2 693 {
AzureIoTClient 18:ec8e5e97c6a4 694 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 695 size_t token_count = 0;
AzureIoTClient 12:658ca6865de2 696 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 697 {
AzureIoTClient 12:658ca6865de2 698 if (token_count == 2)
AzureIoTClient 12:658ca6865de2 699 {
AzureIoTClient 12:658ca6865de2 700 if (strcmp(STRING_c_str(token_value), "PATCH") == 0)
AzureIoTClient 12:658ca6865de2 701 {
AzureIoTClient 12:658ca6865de2 702 *patch_msg = true;
AzureIoTClient 12:658ca6865de2 703 *status_code = 0;
AzureIoTClient 12:658ca6865de2 704 *request_id = 0;
AzureIoTClient 12:658ca6865de2 705 result = 0;
AzureIoTClient 12:658ca6865de2 706 break;
AzureIoTClient 12:658ca6865de2 707 }
AzureIoTClient 12:658ca6865de2 708 else
AzureIoTClient 12:658ca6865de2 709 {
AzureIoTClient 12:658ca6865de2 710 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 711 }
AzureIoTClient 12:658ca6865de2 712 }
AzureIoTClient 12:658ca6865de2 713 else if (token_count == 3)
AzureIoTClient 12:658ca6865de2 714 {
AzureIoTClient 12:658ca6865de2 715 *status_code = atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 716 if (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/?$rid=") == 0)
AzureIoTClient 12:658ca6865de2 717 {
AzureIoTClient 12:658ca6865de2 718 *request_id = (size_t)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 719 }
AzureIoTClient 12:658ca6865de2 720 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 721 result = 0;
AzureIoTClient 12:658ca6865de2 722 break;
AzureIoTClient 12:658ca6865de2 723 }
AzureIoTClient 12:658ca6865de2 724 token_count++;
AzureIoTClient 12:658ca6865de2 725 }
AzureIoTClient 12:658ca6865de2 726 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 727 }
AzureIoTClient 12:658ca6865de2 728 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 729 }
AzureIoTClient 12:658ca6865de2 730 return result;
AzureIoTClient 12:658ca6865de2 731 }
AzureIoTClient 12:658ca6865de2 732
AzureIoTClient 12:658ca6865de2 733 static IOTHUB_IDENTITY_TYPE retrieve_topic_type(const char* topic_resp)
AzureIoTClient 12:658ca6865de2 734 {
AzureIoTClient 12:658ca6865de2 735 IOTHUB_IDENTITY_TYPE type;
AzureIoTClient 12:658ca6865de2 736 size_t dev_twin_topic_len = sizeof(TOPIC_DEVICE_TWIN_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 737 size_t dev_method_topic_len = sizeof(TOPIC_DEVICE_METHOD_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 738 size_t topic_len = strlen(topic_resp);
AzureIoTClient 12:658ca6865de2 739 size_t len_to_use = (dev_twin_topic_len > dev_method_topic_len) ? dev_twin_topic_len : dev_method_topic_len;
AzureIoTClient 12:658ca6865de2 740
AzureIoTClient 12:658ca6865de2 741 bool search_device_twin = true;
AzureIoTClient 12:658ca6865de2 742 bool search_device_method = true;
AzureIoTClient 12:658ca6865de2 743 if (topic_len < len_to_use)
AzureIoTClient 12:658ca6865de2 744 {
AzureIoTClient 12:658ca6865de2 745 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 746 search_device_method = false;
AzureIoTClient 12:658ca6865de2 747 }
AzureIoTClient 12:658ca6865de2 748 else
AzureIoTClient 12:658ca6865de2 749 {
AzureIoTClient 16:14640ee83e99 750 size_t index = 0;
AzureIoTClient 16:14640ee83e99 751 for (index = 0; index < len_to_use && (search_device_twin || search_device_method); index++)
AzureIoTClient 12:658ca6865de2 752 {
AzureIoTClient 12:658ca6865de2 753 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 754 {
AzureIoTClient 12:658ca6865de2 755 if (index > dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 756 {
AzureIoTClient 12:658ca6865de2 757 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 758 }
AzureIoTClient 12:658ca6865de2 759 else
AzureIoTClient 12:658ca6865de2 760 {
AzureIoTClient 12:658ca6865de2 761 if (index == dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 762 {
AzureIoTClient 12:658ca6865de2 763 break;
AzureIoTClient 12:658ca6865de2 764 }
AzureIoTClient 14:4dc2b011be33 765 else if (TOUPPER(TOPIC_DEVICE_TWIN_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 766 {
AzureIoTClient 12:658ca6865de2 767 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 768 }
AzureIoTClient 12:658ca6865de2 769 }
AzureIoTClient 12:658ca6865de2 770 }
AzureIoTClient 12:658ca6865de2 771 if (search_device_method)
AzureIoTClient 12:658ca6865de2 772 {
AzureIoTClient 12:658ca6865de2 773 if (index > dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 774 {
AzureIoTClient 12:658ca6865de2 775 search_device_method = false;
AzureIoTClient 12:658ca6865de2 776 }
AzureIoTClient 12:658ca6865de2 777 else
AzureIoTClient 12:658ca6865de2 778 {
AzureIoTClient 12:658ca6865de2 779 if (index == dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 780 {
AzureIoTClient 12:658ca6865de2 781 break;
AzureIoTClient 12:658ca6865de2 782 }
AzureIoTClient 14:4dc2b011be33 783 else if (TOUPPER(TOPIC_DEVICE_METHOD_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 784 {
AzureIoTClient 12:658ca6865de2 785 search_device_method = false;
AzureIoTClient 12:658ca6865de2 786 }
AzureIoTClient 12:658ca6865de2 787 }
AzureIoTClient 12:658ca6865de2 788 }
AzureIoTClient 12:658ca6865de2 789 }
AzureIoTClient 12:658ca6865de2 790 }
AzureIoTClient 12:658ca6865de2 791 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 792 {
AzureIoTClient 12:658ca6865de2 793 type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 794 }
AzureIoTClient 12:658ca6865de2 795 else if (search_device_method)
AzureIoTClient 12:658ca6865de2 796 {
AzureIoTClient 12:658ca6865de2 797 type = IOTHUB_TYPE_DEVICE_METHODS;
AzureIoTClient 12:658ca6865de2 798 }
AzureIoTClient 12:658ca6865de2 799 else
AzureIoTClient 12:658ca6865de2 800 {
AzureIoTClient 12:658ca6865de2 801 type = IOTHUB_TYPE_TELEMETRY;
AzureIoTClient 12:658ca6865de2 802 }
AzureIoTClient 12:658ca6865de2 803 return type;
AzureIoTClient 12:658ca6865de2 804 }
AzureIoTClient 12:658ca6865de2 805
AzureIoTClient 11:31ebaeb51e1e 806 static void sendMsgComplete(IOTHUB_MESSAGE_LIST* iothubMsgList, PMQTTTRANSPORT_HANDLE_DATA transport_data, IOTHUB_CLIENT_CONFIRMATION_RESULT confirmResult)
AzureIoTClient 11:31ebaeb51e1e 807 {
AzureIoTClient 11:31ebaeb51e1e 808 DLIST_ENTRY messageCompleted;
AzureIoTClient 11:31ebaeb51e1e 809 DList_InitializeListHead(&messageCompleted);
AzureIoTClient 11:31ebaeb51e1e 810 DList_InsertTailList(&messageCompleted, &(iothubMsgList->entry));
AzureIoTClient 11:31ebaeb51e1e 811 IoTHubClient_LL_SendComplete(transport_data->llClientHandle, &messageCompleted, confirmResult);
AzureIoTClient 11:31ebaeb51e1e 812 }
AzureIoTClient 11:31ebaeb51e1e 813
AzureIoTClient 11:31ebaeb51e1e 814 static STRING_HANDLE addPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, const char* eventTopic)
AzureIoTClient 11:31ebaeb51e1e 815 {
AzureIoTClient 11:31ebaeb51e1e 816 STRING_HANDLE result = STRING_construct(eventTopic);
AzureIoTClient 11:31ebaeb51e1e 817 const char* const* propertyKeys;
AzureIoTClient 11:31ebaeb51e1e 818 const char* const* propertyValues;
AzureIoTClient 11:31ebaeb51e1e 819 size_t propertyCount;
AzureIoTClient 11:31ebaeb51e1e 820
AzureIoTClient 11:31ebaeb51e1e 821 // Construct Properties
AzureIoTClient 11:31ebaeb51e1e 822 MAP_HANDLE properties_map = IoTHubMessage_Properties(iothub_message_handle);
AzureIoTClient 11:31ebaeb51e1e 823 if (properties_map != NULL)
AzureIoTClient 11:31ebaeb51e1e 824 {
AzureIoTClient 11:31ebaeb51e1e 825 if (Map_GetInternals(properties_map, &propertyKeys, &propertyValues, &propertyCount) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 826 {
AzureIoTClient 11:31ebaeb51e1e 827 LogError("Failed to get the internals of the property map.");
AzureIoTClient 11:31ebaeb51e1e 828 STRING_delete(result);
AzureIoTClient 11:31ebaeb51e1e 829 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 830 }
AzureIoTClient 11:31ebaeb51e1e 831 else
AzureIoTClient 11:31ebaeb51e1e 832 {
AzureIoTClient 11:31ebaeb51e1e 833 if (propertyCount != 0)
AzureIoTClient 11:31ebaeb51e1e 834 {
AzureIoTClient 16:14640ee83e99 835 size_t index = 0;
AzureIoTClient 16:14640ee83e99 836 for (index = 0; index < propertyCount && result != NULL; index++)
AzureIoTClient 11:31ebaeb51e1e 837 {
AzureIoTClient 11:31ebaeb51e1e 838 if (STRING_sprintf(result, "%s=%s%s", propertyKeys[index], propertyValues[index], propertyCount - 1 == index ? "" : PROPERTY_SEPARATOR) != 0)
AzureIoTClient 11:31ebaeb51e1e 839 {
AzureIoTClient 11:31ebaeb51e1e 840 STRING_delete(result);
AzureIoTClient 11:31ebaeb51e1e 841 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 842 }
AzureIoTClient 11:31ebaeb51e1e 843 }
AzureIoTClient 11:31ebaeb51e1e 844 }
AzureIoTClient 11:31ebaeb51e1e 845 }
AzureIoTClient 11:31ebaeb51e1e 846 }
AzureIoTClient 11:31ebaeb51e1e 847 return result;
AzureIoTClient 11:31ebaeb51e1e 848 }
AzureIoTClient 11:31ebaeb51e1e 849
AzureIoTClient 11:31ebaeb51e1e 850 static int publish_mqtt_telemetry_msg(PMQTTTRANSPORT_HANDLE_DATA transport_data, MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry, const unsigned char* payload, size_t len)
AzureIoTClient 11:31ebaeb51e1e 851 {
AzureIoTClient 11:31ebaeb51e1e 852 int result;
AzureIoTClient 11:31ebaeb51e1e 853 STRING_HANDLE msgTopic = addPropertiesTouMqttMessage(mqttMsgEntry->iotHubMessageEntry->messageHandle, STRING_c_str(transport_data->topic_MqttEvent));
AzureIoTClient 11:31ebaeb51e1e 854 if (msgTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 855 {
AzureIoTClient 18:ec8e5e97c6a4 856 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 857 }
AzureIoTClient 11:31ebaeb51e1e 858 else
AzureIoTClient 11:31ebaeb51e1e 859 {
AzureIoTClient 11:31ebaeb51e1e 860 MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(mqttMsgEntry->packet_id, STRING_c_str(msgTopic), DELIVER_AT_LEAST_ONCE, payload, len);
AzureIoTClient 11:31ebaeb51e1e 861 if (mqttMsg == NULL)
AzureIoTClient 11:31ebaeb51e1e 862 {
AzureIoTClient 18:ec8e5e97c6a4 863 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 864 }
AzureIoTClient 11:31ebaeb51e1e 865 else
AzureIoTClient 11:31ebaeb51e1e 866 {
Azure.IoT.Build 13:606465879c57 867 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqttMsgEntry->msgPublishTime) != 0)
AzureIoTClient 11:31ebaeb51e1e 868 {
AzureIoTClient 11:31ebaeb51e1e 869 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 870 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 871 }
AzureIoTClient 11:31ebaeb51e1e 872 else
AzureIoTClient 11:31ebaeb51e1e 873 {
AzureIoTClient 11:31ebaeb51e1e 874 if (mqtt_client_publish(transport_data->mqttClient, mqttMsg) != 0)
AzureIoTClient 11:31ebaeb51e1e 875 {
AzureIoTClient 18:ec8e5e97c6a4 876 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 877 }
AzureIoTClient 11:31ebaeb51e1e 878 else
AzureIoTClient 11:31ebaeb51e1e 879 {
AzureIoTClient 11:31ebaeb51e1e 880 mqttMsgEntry->retryCount++;
AzureIoTClient 11:31ebaeb51e1e 881 result = 0;
AzureIoTClient 11:31ebaeb51e1e 882 }
AzureIoTClient 11:31ebaeb51e1e 883 }
AzureIoTClient 11:31ebaeb51e1e 884 mqttmessage_destroy(mqttMsg);
AzureIoTClient 11:31ebaeb51e1e 885 }
AzureIoTClient 11:31ebaeb51e1e 886 STRING_delete(msgTopic);
AzureIoTClient 11:31ebaeb51e1e 887 }
AzureIoTClient 11:31ebaeb51e1e 888 return result;
AzureIoTClient 11:31ebaeb51e1e 889 }
AzureIoTClient 11:31ebaeb51e1e 890
AzureIoTClient 14:4dc2b011be33 891 static int publish_device_method_message(MQTTTRANSPORT_HANDLE_DATA* transport_data, int status_code, STRING_HANDLE request_id, const unsigned char* response, size_t response_size)
AzureIoTClient 12:658ca6865de2 892 {
AzureIoTClient 12:658ca6865de2 893 int result;
AzureIoTClient 12:658ca6865de2 894 uint16_t packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 895
AzureIoTClient 14:4dc2b011be33 896 STRING_HANDLE msg_topic = STRING_construct_sprintf(DEVICE_METHOD_RESPONSE_TOPIC, status_code, STRING_c_str(request_id) );
AzureIoTClient 12:658ca6865de2 897 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 898 {
AzureIoTClient 12:658ca6865de2 899 LogError("Failed constructing message topic.");
AzureIoTClient 18:ec8e5e97c6a4 900 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 901 }
AzureIoTClient 12:658ca6865de2 902 else
AzureIoTClient 12:658ca6865de2 903 {
AzureIoTClient 14:4dc2b011be33 904 MQTT_MESSAGE_HANDLE mqtt_get_msg = mqttmessage_create(packet_id, STRING_c_str(msg_topic), DELIVER_AT_MOST_ONCE, response, response_size);
AzureIoTClient 12:658ca6865de2 905 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 906 {
AzureIoTClient 12:658ca6865de2 907 LogError("Failed constructing mqtt message.");
AzureIoTClient 18:ec8e5e97c6a4 908 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 909 }
AzureIoTClient 12:658ca6865de2 910 else
AzureIoTClient 12:658ca6865de2 911 {
AzureIoTClient 12:658ca6865de2 912 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 913 {
AzureIoTClient 12:658ca6865de2 914 LogError("Failed publishing to mqtt client.");
AzureIoTClient 18:ec8e5e97c6a4 915 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 916 }
AzureIoTClient 12:658ca6865de2 917 else
AzureIoTClient 12:658ca6865de2 918 {
AzureIoTClient 12:658ca6865de2 919 result = 0;
AzureIoTClient 12:658ca6865de2 920 }
AzureIoTClient 12:658ca6865de2 921 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 922 }
AzureIoTClient 12:658ca6865de2 923 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 924 }
AzureIoTClient 12:658ca6865de2 925 return result;
AzureIoTClient 12:658ca6865de2 926 }
AzureIoTClient 12:658ca6865de2 927
AzureIoTClient 12:658ca6865de2 928 static int publish_device_twin_get_message(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 12:658ca6865de2 929 {
AzureIoTClient 12:658ca6865de2 930 int result;
AzureIoTClient 12:658ca6865de2 931 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 932 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 933 {
AzureIoTClient 12:658ca6865de2 934 LogError("Failed allocating device twin data.");
AzureIoTClient 18:ec8e5e97c6a4 935 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 936 }
AzureIoTClient 12:658ca6865de2 937 else
AzureIoTClient 12:658ca6865de2 938 {
AzureIoTClient 12:658ca6865de2 939 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 940 mqtt_info->iothub_msg_id = 0;
AzureIoTClient 12:658ca6865de2 941 mqtt_info->device_twin_msg_type = RETRIEVE_PROPERTIES;
AzureIoTClient 12:658ca6865de2 942 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 943 mqtt_info->msgPublishTime = 0;
AzureIoTClient 12:658ca6865de2 944 mqtt_info->iothub_type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 945 mqtt_info->device_twin_data = NULL;
AzureIoTClient 12:658ca6865de2 946 STRING_HANDLE msg_topic = STRING_construct_sprintf(GET_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 947 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 948 {
AzureIoTClient 12:658ca6865de2 949 LogError("Failed constructing get Prop topic.");
AzureIoTClient 12:658ca6865de2 950 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 951 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 952 }
AzureIoTClient 12:658ca6865de2 953 else
AzureIoTClient 12:658ca6865de2 954 {
AzureIoTClient 12:658ca6865de2 955 MQTT_MESSAGE_HANDLE mqtt_get_msg = mqttmessage_create(mqtt_info->packet_id, STRING_c_str(msg_topic), DELIVER_AT_MOST_ONCE, NULL, 0);
AzureIoTClient 12:658ca6865de2 956 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 957 {
AzureIoTClient 12:658ca6865de2 958 LogError("Failed constructing mqtt message.");
AzureIoTClient 12:658ca6865de2 959 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 960 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 961 }
AzureIoTClient 12:658ca6865de2 962 else
AzureIoTClient 12:658ca6865de2 963 {
AzureIoTClient 12:658ca6865de2 964 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 965 {
AzureIoTClient 12:658ca6865de2 966 LogError("Failed publishing to mqtt client.");
AzureIoTClient 12:658ca6865de2 967 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 968 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 969 }
AzureIoTClient 12:658ca6865de2 970 else
AzureIoTClient 12:658ca6865de2 971 {
AzureIoTClient 12:658ca6865de2 972 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 973 result = 0;
AzureIoTClient 12:658ca6865de2 974 }
AzureIoTClient 12:658ca6865de2 975 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 976 }
AzureIoTClient 12:658ca6865de2 977 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 978 }
AzureIoTClient 12:658ca6865de2 979 }
AzureIoTClient 12:658ca6865de2 980 return result;
AzureIoTClient 12:658ca6865de2 981 }
AzureIoTClient 12:658ca6865de2 982
AzureIoTClient 12:658ca6865de2 983 static int publish_device_twin_message(MQTTTRANSPORT_HANDLE_DATA* transport_data, IOTHUB_DEVICE_TWIN* device_twin_info, MQTT_DEVICE_TWIN_ITEM* mqtt_info)
AzureIoTClient 12:658ca6865de2 984 {
AzureIoTClient 12:658ca6865de2 985 int result;
AzureIoTClient 12:658ca6865de2 986 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 987 mqtt_info->device_twin_msg_type = REPORTED_STATE;
AzureIoTClient 12:658ca6865de2 988 STRING_HANDLE msgTopic = STRING_construct_sprintf(REPORTED_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 989 if (msgTopic == NULL)
AzureIoTClient 12:658ca6865de2 990 {
AzureIoTClient 12:658ca6865de2 991 LogError("Failed constructing reported prop topic.");
AzureIoTClient 18:ec8e5e97c6a4 992 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 993 }
AzureIoTClient 12:658ca6865de2 994 else
AzureIoTClient 12:658ca6865de2 995 {
AzureIoTClient 12:658ca6865de2 996 const CONSTBUFFER* data_buff = CONSTBUFFER_GetContent(device_twin_info->report_data_handle);
AzureIoTClient 12:658ca6865de2 997 MQTT_MESSAGE_HANDLE mqtt_rpt_msg = mqttmessage_create(mqtt_info->packet_id, STRING_c_str(msgTopic), DELIVER_AT_MOST_ONCE, data_buff->buffer, data_buff->size);
AzureIoTClient 12:658ca6865de2 998 if (mqtt_rpt_msg == NULL)
AzureIoTClient 12:658ca6865de2 999 {
AzureIoTClient 12:658ca6865de2 1000 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 1001 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1002 }
AzureIoTClient 12:658ca6865de2 1003 else
AzureIoTClient 12:658ca6865de2 1004 {
Azure.IoT.Build 13:606465879c57 1005 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqtt_info->msgPublishTime) != 0)
AzureIoTClient 12:658ca6865de2 1006 {
AzureIoTClient 12:658ca6865de2 1007 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 1008 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1009 }
AzureIoTClient 12:658ca6865de2 1010 else
AzureIoTClient 12:658ca6865de2 1011 {
AzureIoTClient 12:658ca6865de2 1012 if (mqtt_client_publish(transport_data->mqttClient, mqtt_rpt_msg) != 0)
AzureIoTClient 12:658ca6865de2 1013 {
AzureIoTClient 12:658ca6865de2 1014 LogError("Failed publishing mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 1015 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1016 }
AzureIoTClient 12:658ca6865de2 1017 else
AzureIoTClient 12:658ca6865de2 1018 {
AzureIoTClient 12:658ca6865de2 1019 mqtt_info->retryCount++;
AzureIoTClient 12:658ca6865de2 1020 result = 0;
AzureIoTClient 12:658ca6865de2 1021 }
AzureIoTClient 12:658ca6865de2 1022 }
AzureIoTClient 12:658ca6865de2 1023 mqttmessage_destroy(mqtt_rpt_msg);
AzureIoTClient 12:658ca6865de2 1024 }
AzureIoTClient 12:658ca6865de2 1025 STRING_delete(msgTopic);
AzureIoTClient 12:658ca6865de2 1026 }
AzureIoTClient 12:658ca6865de2 1027 return result;
AzureIoTClient 12:658ca6865de2 1028 }
AzureIoTClient 12:658ca6865de2 1029
AzureIoTClient 11:31ebaeb51e1e 1030 static bool isSystemProperty(const char* tokenData)
AzureIoTClient 11:31ebaeb51e1e 1031 {
AzureIoTClient 11:31ebaeb51e1e 1032 bool result = false;
AzureIoTClient 11:31ebaeb51e1e 1033 size_t propCount = sizeof(sysPropList)/sizeof(sysPropList[0]);
AzureIoTClient 16:14640ee83e99 1034 size_t index = 0;
AzureIoTClient 16:14640ee83e99 1035 for (index = 0; index < propCount; index++)
AzureIoTClient 11:31ebaeb51e1e 1036 {
AzureIoTClient 11:31ebaeb51e1e 1037 if (memcmp(tokenData, sysPropList[index].propName, sysPropList[index].propLength) == 0)
AzureIoTClient 11:31ebaeb51e1e 1038 {
AzureIoTClient 11:31ebaeb51e1e 1039 result = true;
AzureIoTClient 11:31ebaeb51e1e 1040 break;
AzureIoTClient 11:31ebaeb51e1e 1041 }
AzureIoTClient 11:31ebaeb51e1e 1042 }
AzureIoTClient 11:31ebaeb51e1e 1043 return result;
AzureIoTClient 11:31ebaeb51e1e 1044 }
AzureIoTClient 11:31ebaeb51e1e 1045
AzureIoTClient 11:31ebaeb51e1e 1046 static int extractMqttProperties(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* topic_name)
AzureIoTClient 11:31ebaeb51e1e 1047 {
AzureIoTClient 11:31ebaeb51e1e 1048 int result;
AzureIoTClient 11:31ebaeb51e1e 1049 STRING_HANDLE mqttTopic = STRING_construct(topic_name);
AzureIoTClient 11:31ebaeb51e1e 1050 if (mqttTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 1051 {
AzureIoTClient 11:31ebaeb51e1e 1052 LogError("Failure constructing string topic name.");
AzureIoTClient 18:ec8e5e97c6a4 1053 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1054 }
AzureIoTClient 11:31ebaeb51e1e 1055 else
AzureIoTClient 11:31ebaeb51e1e 1056 {
AzureIoTClient 11:31ebaeb51e1e 1057 STRING_TOKENIZER_HANDLE token = STRING_TOKENIZER_create(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1058 if (token != NULL)
AzureIoTClient 11:31ebaeb51e1e 1059 {
AzureIoTClient 11:31ebaeb51e1e 1060 MAP_HANDLE propertyMap = IoTHubMessage_Properties(IoTHubMessage);
AzureIoTClient 11:31ebaeb51e1e 1061 if (propertyMap == NULL)
AzureIoTClient 11:31ebaeb51e1e 1062 {
AzureIoTClient 11:31ebaeb51e1e 1063 LogError("Failure to retrieve IoTHubMessage_properties.");
AzureIoTClient 18:ec8e5e97c6a4 1064 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1065 }
AzureIoTClient 11:31ebaeb51e1e 1066 else
AzureIoTClient 11:31ebaeb51e1e 1067 {
AzureIoTClient 11:31ebaeb51e1e 1068 STRING_HANDLE output = STRING_new();
AzureIoTClient 11:31ebaeb51e1e 1069 if (output == NULL)
AzureIoTClient 11:31ebaeb51e1e 1070 {
AzureIoTClient 11:31ebaeb51e1e 1071 LogError("Failure to allocate STRING_new.");
AzureIoTClient 18:ec8e5e97c6a4 1072 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1073 }
AzureIoTClient 11:31ebaeb51e1e 1074 else
AzureIoTClient 11:31ebaeb51e1e 1075 {
AzureIoTClient 11:31ebaeb51e1e 1076 result = 0;
AzureIoTClient 18:ec8e5e97c6a4 1077
AzureIoTClient 11:31ebaeb51e1e 1078 while (STRING_TOKENIZER_get_next_token(token, output, PROPERTY_SEPARATOR) == 0 && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1079 {
AzureIoTClient 11:31ebaeb51e1e 1080 const char* tokenData = STRING_c_str(output);
AzureIoTClient 11:31ebaeb51e1e 1081 size_t tokenLen = strlen(tokenData);
AzureIoTClient 11:31ebaeb51e1e 1082 if (tokenData == NULL || tokenLen == 0)
AzureIoTClient 11:31ebaeb51e1e 1083 {
AzureIoTClient 11:31ebaeb51e1e 1084 break;
AzureIoTClient 11:31ebaeb51e1e 1085 }
AzureIoTClient 11:31ebaeb51e1e 1086 else
AzureIoTClient 11:31ebaeb51e1e 1087 {
AzureIoTClient 18:ec8e5e97c6a4 1088 if (isSystemProperty(tokenData))
AzureIoTClient 11:31ebaeb51e1e 1089 {
AzureIoTClient 11:31ebaeb51e1e 1090 const char* iterator = tokenData;
AzureIoTClient 11:31ebaeb51e1e 1091 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1092 {
AzureIoTClient 11:31ebaeb51e1e 1093 if (*iterator == '=')
AzureIoTClient 11:31ebaeb51e1e 1094 {
AzureIoTClient 11:31ebaeb51e1e 1095 size_t nameLen = iterator - tokenData;
AzureIoTClient 11:31ebaeb51e1e 1096 char* propName = malloc(nameLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1097
AzureIoTClient 11:31ebaeb51e1e 1098 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 11:31ebaeb51e1e 1099 char* propValue = malloc(valLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1100
AzureIoTClient 11:31ebaeb51e1e 1101 if (propName == NULL || propValue == NULL)
AzureIoTClient 11:31ebaeb51e1e 1102 {
AzureIoTClient 18:ec8e5e97c6a4 1103 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1104 }
AzureIoTClient 18:ec8e5e97c6a4 1105 else
AzureIoTClient 18:ec8e5e97c6a4 1106 {
AzureIoTClient 18:ec8e5e97c6a4 1107 strncpy(propName, tokenData, nameLen);
AzureIoTClient 18:ec8e5e97c6a4 1108 propName[nameLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1109
AzureIoTClient 18:ec8e5e97c6a4 1110 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 18:ec8e5e97c6a4 1111 propValue[valLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1112
AzureIoTClient 18:ec8e5e97c6a4 1113 if (nameLen > 3)
AzureIoTClient 18:ec8e5e97c6a4 1114 {
AzureIoTClient 18:ec8e5e97c6a4 1115 if (strcmp((const char*)&propName[nameLen - 3], MESSAGE_ID_PROPERTY) == 0)
AzureIoTClient 18:ec8e5e97c6a4 1116 {
AzureIoTClient 18:ec8e5e97c6a4 1117 if (IoTHubMessage_SetMessageId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 18:ec8e5e97c6a4 1118 {
AzureIoTClient 18:ec8e5e97c6a4 1119 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'messageId' property.");
AzureIoTClient 18:ec8e5e97c6a4 1120 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1121 }
AzureIoTClient 18:ec8e5e97c6a4 1122 }
AzureIoTClient 18:ec8e5e97c6a4 1123
AzureIoTClient 18:ec8e5e97c6a4 1124 if (strcmp((const char*)&propName[nameLen - 3], CORRELATION_ID_PROPERTY) == 0)
AzureIoTClient 18:ec8e5e97c6a4 1125 {
AzureIoTClient 18:ec8e5e97c6a4 1126 if (IoTHubMessage_SetCorrelationId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 18:ec8e5e97c6a4 1127 {
AzureIoTClient 18:ec8e5e97c6a4 1128 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'correlationId' property.");
AzureIoTClient 18:ec8e5e97c6a4 1129 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1130 }
AzureIoTClient 18:ec8e5e97c6a4 1131 }
AzureIoTClient 18:ec8e5e97c6a4 1132 }
AzureIoTClient 18:ec8e5e97c6a4 1133 }
AzureIoTClient 18:ec8e5e97c6a4 1134 free(propName);
AzureIoTClient 18:ec8e5e97c6a4 1135 free(propValue);
AzureIoTClient 18:ec8e5e97c6a4 1136
AzureIoTClient 18:ec8e5e97c6a4 1137 break;
AzureIoTClient 18:ec8e5e97c6a4 1138 }
AzureIoTClient 18:ec8e5e97c6a4 1139 iterator++;
AzureIoTClient 18:ec8e5e97c6a4 1140 }
AzureIoTClient 18:ec8e5e97c6a4 1141 }
AzureIoTClient 18:ec8e5e97c6a4 1142 else
AzureIoTClient 18:ec8e5e97c6a4 1143 {
AzureIoTClient 18:ec8e5e97c6a4 1144 const char* iterator = tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1145 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 18:ec8e5e97c6a4 1146 {
AzureIoTClient 18:ec8e5e97c6a4 1147 if (*iterator == '=')
AzureIoTClient 18:ec8e5e97c6a4 1148 {
AzureIoTClient 18:ec8e5e97c6a4 1149 size_t nameLen = iterator - tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1150 char* propName = malloc(nameLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1151
AzureIoTClient 18:ec8e5e97c6a4 1152 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 18:ec8e5e97c6a4 1153 char* propValue = malloc(valLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1154
AzureIoTClient 18:ec8e5e97c6a4 1155 if (propName == NULL || propValue == NULL)
AzureIoTClient 18:ec8e5e97c6a4 1156 {
AzureIoTClient 18:ec8e5e97c6a4 1157 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1158 }
AzureIoTClient 11:31ebaeb51e1e 1159 else
AzureIoTClient 11:31ebaeb51e1e 1160 {
AzureIoTClient 11:31ebaeb51e1e 1161 strncpy(propName, tokenData, nameLen);
AzureIoTClient 11:31ebaeb51e1e 1162 propName[nameLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1163
AzureIoTClient 11:31ebaeb51e1e 1164 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 11:31ebaeb51e1e 1165 propValue[valLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1166
AzureIoTClient 11:31ebaeb51e1e 1167 if (Map_AddOrUpdate(propertyMap, propName, propValue) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 1168 {
AzureIoTClient 11:31ebaeb51e1e 1169 LogError("Map_AddOrUpdate failed.");
AzureIoTClient 18:ec8e5e97c6a4 1170 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1171 }
AzureIoTClient 11:31ebaeb51e1e 1172 }
AzureIoTClient 11:31ebaeb51e1e 1173 free(propName);
AzureIoTClient 11:31ebaeb51e1e 1174 free(propValue);
AzureIoTClient 11:31ebaeb51e1e 1175
AzureIoTClient 11:31ebaeb51e1e 1176 break;
AzureIoTClient 11:31ebaeb51e1e 1177 }
AzureIoTClient 11:31ebaeb51e1e 1178 iterator++;
AzureIoTClient 11:31ebaeb51e1e 1179 }
AzureIoTClient 11:31ebaeb51e1e 1180 }
AzureIoTClient 11:31ebaeb51e1e 1181 }
AzureIoTClient 11:31ebaeb51e1e 1182 }
AzureIoTClient 11:31ebaeb51e1e 1183 STRING_delete(output);
AzureIoTClient 11:31ebaeb51e1e 1184 }
AzureIoTClient 11:31ebaeb51e1e 1185 }
AzureIoTClient 11:31ebaeb51e1e 1186 STRING_TOKENIZER_destroy(token);
AzureIoTClient 11:31ebaeb51e1e 1187 }
AzureIoTClient 11:31ebaeb51e1e 1188 else
AzureIoTClient 11:31ebaeb51e1e 1189 {
AzureIoTClient 11:31ebaeb51e1e 1190 LogError("Unable to create Tokenizer object.");
AzureIoTClient 18:ec8e5e97c6a4 1191 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1192 }
AzureIoTClient 11:31ebaeb51e1e 1193 STRING_delete(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1194 }
AzureIoTClient 11:31ebaeb51e1e 1195 return result;
AzureIoTClient 11:31ebaeb51e1e 1196 }
AzureIoTClient 11:31ebaeb51e1e 1197
AzureIoTClient 11:31ebaeb51e1e 1198 static void mqtt_notification_callback(MQTT_MESSAGE_HANDLE msgHandle, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1199 {
AzureIoTClient 14:4dc2b011be33 1200 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_051: [ If msgHandle or callbackCtx is NULL, mqtt_notification_callback shall do nothing. ] */
AzureIoTClient 11:31ebaeb51e1e 1201 if (msgHandle != NULL && callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1202 {
AzureIoTClient 14:4dc2b011be33 1203 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_052: [ mqtt_notification_callback shall extract the topic Name from the MQTT_MESSAGE_HANDLE. ] */
AzureIoTClient 11:31ebaeb51e1e 1204 const char* topic_resp = mqttmessage_getTopicName(msgHandle);
AzureIoTClient 11:31ebaeb51e1e 1205 if (topic_resp == NULL)
AzureIoTClient 11:31ebaeb51e1e 1206 {
AzureIoTClient 11:31ebaeb51e1e 1207 LogError("Failure: NULL topic name encountered");
AzureIoTClient 11:31ebaeb51e1e 1208 }
AzureIoTClient 11:31ebaeb51e1e 1209 else
AzureIoTClient 11:31ebaeb51e1e 1210 {
AzureIoTClient 11:31ebaeb51e1e 1211 PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1212
AzureIoTClient 12:658ca6865de2 1213 IOTHUB_IDENTITY_TYPE type = retrieve_topic_type(topic_resp);
AzureIoTClient 12:658ca6865de2 1214 if (type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 11:31ebaeb51e1e 1215 {
AzureIoTClient 12:658ca6865de2 1216 size_t request_id;
AzureIoTClient 12:658ca6865de2 1217 int status_code;
AzureIoTClient 12:658ca6865de2 1218 bool notification_msg;
AzureIoTClient 12:658ca6865de2 1219 if (parse_device_twin_topic_info(topic_resp, &notification_msg, &request_id, &status_code) != 0)
AzureIoTClient 12:658ca6865de2 1220 {
AzureIoTClient 12:658ca6865de2 1221 LogError("Failure: parsing device topic info");
AzureIoTClient 12:658ca6865de2 1222 }
AzureIoTClient 12:658ca6865de2 1223 else
AzureIoTClient 12:658ca6865de2 1224 {
AzureIoTClient 12:658ca6865de2 1225 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1226 if (notification_msg)
AzureIoTClient 12:658ca6865de2 1227 {
AzureIoTClient 12:658ca6865de2 1228 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_PARTIAL, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1229 }
AzureIoTClient 12:658ca6865de2 1230 else
AzureIoTClient 12:658ca6865de2 1231 {
AzureIoTClient 12:658ca6865de2 1232 PDLIST_ENTRY dev_twin_item = transportData->ack_waiting_queue.Flink;
AzureIoTClient 12:658ca6865de2 1233 while (dev_twin_item != &transportData->ack_waiting_queue)
AzureIoTClient 12:658ca6865de2 1234 {
AzureIoTClient 12:658ca6865de2 1235 DLIST_ENTRY saveListEntry;
AzureIoTClient 12:658ca6865de2 1236 saveListEntry.Flink = dev_twin_item->Flink;
AzureIoTClient 12:658ca6865de2 1237 MQTT_DEVICE_TWIN_ITEM* msg_entry = containingRecord(dev_twin_item, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 1238 if (request_id == msg_entry->packet_id)
AzureIoTClient 12:658ca6865de2 1239 {
AzureIoTClient 12:658ca6865de2 1240 (void)DList_RemoveEntryList(dev_twin_item);
AzureIoTClient 12:658ca6865de2 1241 if (msg_entry->device_twin_msg_type == RETRIEVE_PROPERTIES)
AzureIoTClient 12:658ca6865de2 1242 {
AzureIoTClient 14:4dc2b011be33 1243 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ If type is IOTHUB_TYPE_DEVICE_TWIN, then on success if msg_type is RETRIEVE_PROPERTIES then mqtt_notification_callback shall call IoTHubClient_LL_RetrievePropertyComplete... ] */
AzureIoTClient 12:658ca6865de2 1244 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_COMPLETE, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1245 }
AzureIoTClient 12:658ca6865de2 1246 else
AzureIoTClient 12:658ca6865de2 1247 {
AzureIoTClient 14:4dc2b011be33 1248 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_055: [ if device_twin_msg_type is not RETRIEVE_PROPERTIES then mqtt_notification_callback shall call IoTHubClient_LL_ReportedStateComplete ] */
AzureIoTClient 12:658ca6865de2 1249 IoTHubClient_LL_ReportedStateComplete(transportData->llClientHandle, msg_entry->iothub_msg_id, status_code);
AzureIoTClient 12:658ca6865de2 1250 }
AzureIoTClient 12:658ca6865de2 1251 free(msg_entry);
AzureIoTClient 12:658ca6865de2 1252 break;
AzureIoTClient 12:658ca6865de2 1253 }
AzureIoTClient 12:658ca6865de2 1254 dev_twin_item = saveListEntry.Flink;
AzureIoTClient 12:658ca6865de2 1255 }
AzureIoTClient 12:658ca6865de2 1256 }
AzureIoTClient 12:658ca6865de2 1257 }
AzureIoTClient 12:658ca6865de2 1258 }
AzureIoTClient 12:658ca6865de2 1259 else if (type == IOTHUB_TYPE_DEVICE_METHODS)
AzureIoTClient 12:658ca6865de2 1260 {
AzureIoTClient 12:658ca6865de2 1261 STRING_HANDLE method_name = STRING_new();
AzureIoTClient 12:658ca6865de2 1262 if (method_name == NULL)
AzureIoTClient 12:658ca6865de2 1263 {
AzureIoTClient 12:658ca6865de2 1264 LogError("Failure: allocating method_name string value");
AzureIoTClient 12:658ca6865de2 1265 }
AzureIoTClient 12:658ca6865de2 1266 else
AzureIoTClient 12:658ca6865de2 1267 {
AzureIoTClient 14:4dc2b011be33 1268 DEVICE_METHOD_INFO* dev_method_info = malloc(sizeof(DEVICE_METHOD_INFO) );
AzureIoTClient 14:4dc2b011be33 1269 if (dev_method_info == NULL)
AzureIoTClient 12:658ca6865de2 1270 {
AzureIoTClient 14:4dc2b011be33 1271 LogError("Failure: allocating DEVICE_METHOD_INFO object");
AzureIoTClient 12:658ca6865de2 1272 }
AzureIoTClient 12:658ca6865de2 1273 else
AzureIoTClient 12:658ca6865de2 1274 {
AzureIoTClient 14:4dc2b011be33 1275 dev_method_info->request_id = STRING_new();
AzureIoTClient 14:4dc2b011be33 1276 if (dev_method_info->request_id == NULL)
AzureIoTClient 14:4dc2b011be33 1277 {
AzureIoTClient 14:4dc2b011be33 1278 LogError("Failure constructing request_id string");
AzureIoTClient 14:4dc2b011be33 1279 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1280 }
AzureIoTClient 14:4dc2b011be33 1281 else if (retrieve_device_method_rid_info(topic_resp, method_name, dev_method_info->request_id) != 0)
AzureIoTClient 12:658ca6865de2 1282 {
AzureIoTClient 14:4dc2b011be33 1283 LogError("Failure: retrieve device topic info");
AzureIoTClient 14:4dc2b011be33 1284 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1285 free(dev_method_info);
AzureIoTClient 12:658ca6865de2 1286 }
AzureIoTClient 14:4dc2b011be33 1287 else
AzureIoTClient 14:4dc2b011be33 1288 {
AzureIoTClient 14:4dc2b011be33 1289 /* CodesSRS_IOTHUB_MQTT_TRANSPORT_07_053: [ If type is IOTHUB_TYPE_DEVICE_METHODS, then on success mqtt_notification_callback shall call IoTHubClient_LL_DeviceMethodComplete. ] */
AzureIoTClient 14:4dc2b011be33 1290 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 14:4dc2b011be33 1291 if (IoTHubClient_LL_DeviceMethodComplete(transportData->llClientHandle, STRING_c_str(method_name), payload->message, payload->length, (void*)dev_method_info) != 0)
AzureIoTClient 14:4dc2b011be33 1292 {
AzureIoTClient 14:4dc2b011be33 1293 LogError("Failure: IoTHubClient_LL_DeviceMethodComplete");
AzureIoTClient 14:4dc2b011be33 1294 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1295 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1296 }
AzureIoTClient 14:4dc2b011be33 1297 }
AzureIoTClient 12:658ca6865de2 1298 }
AzureIoTClient 12:658ca6865de2 1299 STRING_delete(method_name);
AzureIoTClient 12:658ca6865de2 1300 }
AzureIoTClient 11:31ebaeb51e1e 1301 }
AzureIoTClient 11:31ebaeb51e1e 1302 else
AzureIoTClient 11:31ebaeb51e1e 1303 {
AzureIoTClient 12:658ca6865de2 1304 const APP_PAYLOAD* appPayload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1305 IOTHUB_MESSAGE_HANDLE IoTHubMessage = IoTHubMessage_CreateFromByteArray(appPayload->message, appPayload->length);
AzureIoTClient 12:658ca6865de2 1306 if (IoTHubMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 1307 {
AzureIoTClient 12:658ca6865de2 1308 LogError("Failure: IotHub Message creation has failed.");
AzureIoTClient 11:31ebaeb51e1e 1309 }
AzureIoTClient 11:31ebaeb51e1e 1310 else
AzureIoTClient 11:31ebaeb51e1e 1311 {
AzureIoTClient 12:658ca6865de2 1312 // Will need to update this when the service has messages that can be rejected
AzureIoTClient 12:658ca6865de2 1313 if (extractMqttProperties(IoTHubMessage, topic_resp) != 0)
AzureIoTClient 12:658ca6865de2 1314 {
AzureIoTClient 12:658ca6865de2 1315 LogError("failure extracting mqtt properties.");
AzureIoTClient 12:658ca6865de2 1316 }
AzureIoTClient 12:658ca6865de2 1317 else
AzureIoTClient 11:31ebaeb51e1e 1318 {
AzureIoTClient 19:f87dfe76bc70 1319 MESSAGE_CALLBACK_INFO* messageData = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
AzureIoTClient 19:f87dfe76bc70 1320 if (messageData == NULL)
AzureIoTClient 19:f87dfe76bc70 1321 {
AzureIoTClient 19:f87dfe76bc70 1322 LogError("malloc failed");
AzureIoTClient 19:f87dfe76bc70 1323 }
AzureIoTClient 19:f87dfe76bc70 1324 else
AzureIoTClient 12:658ca6865de2 1325 {
AzureIoTClient 19:f87dfe76bc70 1326 messageData->messageHandle = IoTHubMessage;
AzureIoTClient 19:f87dfe76bc70 1327 messageData->transportContext = NULL;
AzureIoTClient 19:f87dfe76bc70 1328
AzureIoTClient 19:f87dfe76bc70 1329 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_056: [ If type is IOTHUB_TYPE_TELEMETRY, then on success mqtt_notification_callback shall call IoTHubClient_LL_MessageCallback. ] */
AzureIoTClient 19:f87dfe76bc70 1330 if (!IoTHubClient_LL_MessageCallback(transportData->llClientHandle, messageData))
AzureIoTClient 19:f87dfe76bc70 1331 {
AzureIoTClient 19:f87dfe76bc70 1332 LogError("IoTHubClient_LL_MessageCallback returned false");
AzureIoTClient 19:f87dfe76bc70 1333
AzureIoTClient 19:f87dfe76bc70 1334 IoTHubMessage_Destroy(IoTHubMessage);
AzureIoTClient 19:f87dfe76bc70 1335 free(messageData);
AzureIoTClient 19:f87dfe76bc70 1336 }
AzureIoTClient 12:658ca6865de2 1337 }
AzureIoTClient 11:31ebaeb51e1e 1338 }
AzureIoTClient 11:31ebaeb51e1e 1339 }
AzureIoTClient 11:31ebaeb51e1e 1340 }
AzureIoTClient 11:31ebaeb51e1e 1341 }
AzureIoTClient 11:31ebaeb51e1e 1342 }
AzureIoTClient 11:31ebaeb51e1e 1343 }
AzureIoTClient 11:31ebaeb51e1e 1344
AzureIoTClient 11:31ebaeb51e1e 1345 static void mqtt_operation_complete_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1346 {
AzureIoTClient 11:31ebaeb51e1e 1347 (void)handle;
AzureIoTClient 11:31ebaeb51e1e 1348 if (callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1349 {
AzureIoTClient 11:31ebaeb51e1e 1350 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1351
AzureIoTClient 11:31ebaeb51e1e 1352 switch (actionResult)
AzureIoTClient 11:31ebaeb51e1e 1353 {
AzureIoTClient 11:31ebaeb51e1e 1354 case MQTT_CLIENT_ON_PUBLISH_ACK:
AzureIoTClient 11:31ebaeb51e1e 1355 case MQTT_CLIENT_ON_PUBLISH_COMP:
AzureIoTClient 11:31ebaeb51e1e 1356 {
AzureIoTClient 11:31ebaeb51e1e 1357 const PUBLISH_ACK* puback = (const PUBLISH_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1358 if (puback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1359 {
AzureIoTClient 11:31ebaeb51e1e 1360 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 1361 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 1362 {
AzureIoTClient 11:31ebaeb51e1e 1363 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 1364 DLIST_ENTRY saveListEntry;
AzureIoTClient 11:31ebaeb51e1e 1365 saveListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 1366
AzureIoTClient 11:31ebaeb51e1e 1367 if (puback->packetId == mqttMsgEntry->packet_id)
AzureIoTClient 11:31ebaeb51e1e 1368 {
AzureIoTClient 11:31ebaeb51e1e 1369 (void)DList_RemoveEntryList(currentListEntry); //First remove the item from Waiting for Ack List.
AzureIoTClient 11:31ebaeb51e1e 1370 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_OK);
AzureIoTClient 11:31ebaeb51e1e 1371 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 1372 }
AzureIoTClient 11:31ebaeb51e1e 1373 currentListEntry = saveListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 1374 }
AzureIoTClient 11:31ebaeb51e1e 1375 }
AzureIoTClient 11:31ebaeb51e1e 1376 else
AzureIoTClient 11:31ebaeb51e1e 1377 {
AzureIoTClient 11:31ebaeb51e1e 1378 LogError("Failure: MQTT_CLIENT_ON_PUBLISH_ACK publish_ack structure NULL.");
AzureIoTClient 11:31ebaeb51e1e 1379 }
AzureIoTClient 11:31ebaeb51e1e 1380 break;
AzureIoTClient 11:31ebaeb51e1e 1381 }
AzureIoTClient 11:31ebaeb51e1e 1382 case MQTT_CLIENT_ON_CONNACK:
AzureIoTClient 11:31ebaeb51e1e 1383 {
AzureIoTClient 11:31ebaeb51e1e 1384 const CONNECT_ACK* connack = (const CONNECT_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1385 if (connack != NULL)
AzureIoTClient 11:31ebaeb51e1e 1386 {
AzureIoTClient 11:31ebaeb51e1e 1387 if (connack->returnCode == CONNECTION_ACCEPTED)
AzureIoTClient 11:31ebaeb51e1e 1388 {
AzureIoTClient 11:31ebaeb51e1e 1389 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1390 transport_data->currPacketState = CONNACK_TYPE;
AzureIoTClient 12:658ca6865de2 1391 transport_data->isRecoverableError = true;
AzureIoTClient 20:594780be216d 1392 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTED;
AzureIoTClient 12:658ca6865de2 1393 StopRetryTimer(transport_data->retryLogic);
AzureIoTClient 19:f87dfe76bc70 1394 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_AUTHENTICATED, IOTHUB_CLIENT_CONNECTION_OK);
AzureIoTClient 11:31ebaeb51e1e 1395 }
AzureIoTClient 11:31ebaeb51e1e 1396 else
AzureIoTClient 11:31ebaeb51e1e 1397 {
AzureIoTClient 12:658ca6865de2 1398 if (connack->returnCode == CONN_REFUSED_BAD_USERNAME_PASSWORD)
AzureIoTClient 12:658ca6865de2 1399 {
AzureIoTClient 12:658ca6865de2 1400 transport_data->isRecoverableError = false;
AzureIoTClient 19:f87dfe76bc70 1401 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 12:658ca6865de2 1402 }
AzureIoTClient 12:658ca6865de2 1403 else if (connack->returnCode == CONN_REFUSED_NOT_AUTHORIZED)
AzureIoTClient 12:658ca6865de2 1404 {
AzureIoTClient 19:f87dfe76bc70 1405 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 12:658ca6865de2 1406 }
AzureIoTClient 12:658ca6865de2 1407 else if (connack->returnCode == CONN_REFUSED_UNACCEPTABLE_VERSION)
AzureIoTClient 12:658ca6865de2 1408 {
AzureIoTClient 12:658ca6865de2 1409 transport_data->isRecoverableError = false;
AzureIoTClient 12:658ca6865de2 1410 }
AzureIoTClient 11:31ebaeb51e1e 1411 LogError("Connection Not Accepted: 0x%x: %s", connack->returnCode, retrieve_mqtt_return_codes(connack->returnCode) );
AzureIoTClient 11:31ebaeb51e1e 1412 (void)mqtt_client_disconnect(transport_data->mqttClient);
AzureIoTClient 20:594780be216d 1413 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1414 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 11:31ebaeb51e1e 1415 }
AzureIoTClient 11:31ebaeb51e1e 1416 }
AzureIoTClient 11:31ebaeb51e1e 1417 else
AzureIoTClient 11:31ebaeb51e1e 1418 {
AzureIoTClient 11:31ebaeb51e1e 1419 LogError("MQTT_CLIENT_ON_CONNACK CONNACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1420 }
AzureIoTClient 11:31ebaeb51e1e 1421 break;
AzureIoTClient 11:31ebaeb51e1e 1422 }
AzureIoTClient 11:31ebaeb51e1e 1423 case MQTT_CLIENT_ON_SUBSCRIBE_ACK:
AzureIoTClient 11:31ebaeb51e1e 1424 {
AzureIoTClient 11:31ebaeb51e1e 1425 const SUBSCRIBE_ACK* suback = (const SUBSCRIBE_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1426 if (suback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1427 {
AzureIoTClient 16:14640ee83e99 1428 size_t index = 0;
AzureIoTClient 16:14640ee83e99 1429 for (index = 0; index < suback->qosCount; index++)
AzureIoTClient 11:31ebaeb51e1e 1430 {
AzureIoTClient 11:31ebaeb51e1e 1431 if (suback->qosReturn[index] == DELIVER_FAILURE)
AzureIoTClient 11:31ebaeb51e1e 1432 {
AzureIoTClient 11:31ebaeb51e1e 1433 LogError("Subscribe delivery failure of subscribe %zu", index);
AzureIoTClient 11:31ebaeb51e1e 1434 }
AzureIoTClient 11:31ebaeb51e1e 1435 }
AzureIoTClient 11:31ebaeb51e1e 1436 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1437 transport_data->currPacketState = SUBACK_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1438 }
AzureIoTClient 11:31ebaeb51e1e 1439 else
AzureIoTClient 11:31ebaeb51e1e 1440 {
AzureIoTClient 11:31ebaeb51e1e 1441 LogError("Failure: MQTT_CLIENT_ON_SUBSCRIBE_ACK SUBSCRIBE_ACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1442 }
AzureIoTClient 11:31ebaeb51e1e 1443 break;
AzureIoTClient 11:31ebaeb51e1e 1444 }
AzureIoTClient 11:31ebaeb51e1e 1445 case MQTT_CLIENT_ON_PUBLISH_RECV:
AzureIoTClient 11:31ebaeb51e1e 1446 case MQTT_CLIENT_ON_PUBLISH_REL:
AzureIoTClient 11:31ebaeb51e1e 1447 {
AzureIoTClient 11:31ebaeb51e1e 1448 // Currently not used
AzureIoTClient 11:31ebaeb51e1e 1449 break;
AzureIoTClient 11:31ebaeb51e1e 1450 }
AzureIoTClient 11:31ebaeb51e1e 1451 case MQTT_CLIENT_ON_DISCONNECT:
AzureIoTClient 11:31ebaeb51e1e 1452 {
AzureIoTClient 11:31ebaeb51e1e 1453 // Close the client so we can reconnect again
AzureIoTClient 20:594780be216d 1454 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1455 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1456 break;
AzureIoTClient 11:31ebaeb51e1e 1457 }
AzureIoTClient 17:774695cb8554 1458 case MQTT_CLIENT_ON_UNSUBSCRIBE_ACK:
AzureIoTClient 17:774695cb8554 1459 {
AzureIoTClient 17:774695cb8554 1460 break;
AzureIoTClient 17:774695cb8554 1461 }
AzureIoTClient 12:658ca6865de2 1462 }
AzureIoTClient 12:658ca6865de2 1463 }
AzureIoTClient 12:658ca6865de2 1464 }
AzureIoTClient 12:658ca6865de2 1465
AzureIoTClient 12:658ca6865de2 1466 static void mqtt_error_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_ERROR error, void* callbackCtx)
AzureIoTClient 12:658ca6865de2 1467 {
AzureIoTClient 12:658ca6865de2 1468 (void)handle;
AzureIoTClient 12:658ca6865de2 1469 if (callbackCtx != NULL)
AzureIoTClient 12:658ca6865de2 1470 {
AzureIoTClient 12:658ca6865de2 1471 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 12:658ca6865de2 1472 switch (error)
AzureIoTClient 12:658ca6865de2 1473 {
AzureIoTClient 12:658ca6865de2 1474 case MQTT_CLIENT_CONNECTION_ERROR:
AzureIoTClient 11:31ebaeb51e1e 1475 {
AzureIoTClient 19:f87dfe76bc70 1476 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_NO_NETWORK);
AzureIoTClient 12:658ca6865de2 1477 break;
AzureIoTClient 12:658ca6865de2 1478 }
AzureIoTClient 20:594780be216d 1479 case MQTT_CLIENT_COMMUNICATION_ERROR:
AzureIoTClient 20:594780be216d 1480 {
AzureIoTClient 20:594780be216d 1481 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_COMMUNICATION_ERROR);
AzureIoTClient 20:594780be216d 1482 break;
AzureIoTClient 20:594780be216d 1483 }
AzureIoTClient 12:658ca6865de2 1484 case MQTT_CLIENT_NO_PING_RESPONSE:
AzureIoTClient 12:658ca6865de2 1485 {
AzureIoTClient 12:658ca6865de2 1486 LogError("Mqtt Ping Response was not encountered. Reconnecting device...");
AzureIoTClient 12:658ca6865de2 1487 break;
AzureIoTClient 11:31ebaeb51e1e 1488 }
AzureIoTClient 17:774695cb8554 1489 case MQTT_CLIENT_PARSE_ERROR:
AzureIoTClient 17:774695cb8554 1490 case MQTT_CLIENT_MEMORY_ERROR:
AzureIoTClient 17:774695cb8554 1491 case MQTT_CLIENT_UNKNOWN_ERROR:
AzureIoTClient 17:774695cb8554 1492 {
AzureIoTClient 17:774695cb8554 1493 LogError("INTERNAL ERROR: unexpected error value received %s", ENUM_TO_STRING(MQTT_CLIENT_EVENT_ERROR, error));
AzureIoTClient 20:594780be216d 1494 break;
AzureIoTClient 17:774695cb8554 1495 }
AzureIoTClient 11:31ebaeb51e1e 1496 }
AzureIoTClient 20:594780be216d 1497 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 12:658ca6865de2 1498 transport_data->currPacketState = PACKET_TYPE_ERROR;
Azure.IoT.Build 13:606465879c57 1499 transport_data->device_twin_get_sent = false;
AzureIoTClient 12:658ca6865de2 1500 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 12:658ca6865de2 1501 {
Azure.IoT.Build 13:606465879c57 1502 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
Azure.IoT.Build 13:606465879c57 1503 }
Azure.IoT.Build 13:606465879c57 1504 if (transport_data->topic_GetState != NULL)
Azure.IoT.Build 13:606465879c57 1505 {
Azure.IoT.Build 13:606465879c57 1506 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1507 }
Azure.IoT.Build 13:606465879c57 1508 if (transport_data->topic_NotifyState != NULL)
Azure.IoT.Build 13:606465879c57 1509 {
Azure.IoT.Build 13:606465879c57 1510 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
Azure.IoT.Build 13:606465879c57 1511 }
Azure.IoT.Build 13:606465879c57 1512 if (transport_data->topic_DeviceMethods != NULL)
Azure.IoT.Build 13:606465879c57 1513 {
Azure.IoT.Build 13:606465879c57 1514 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
Azure.IoT.Build 13:606465879c57 1515 }
Azure.IoT.Build 13:606465879c57 1516 }
AzureIoTClient 12:658ca6865de2 1517 else
AzureIoTClient 12:658ca6865de2 1518 {
AzureIoTClient 12:658ca6865de2 1519 LogError("Failure: mqtt called back with null context.");
AzureIoTClient 11:31ebaeb51e1e 1520 }
AzureIoTClient 11:31ebaeb51e1e 1521 }
AzureIoTClient 11:31ebaeb51e1e 1522
AzureIoTClient 11:31ebaeb51e1e 1523 static void SubscribeToMqttProtocol(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1524 {
AzureIoTClient 11:31ebaeb51e1e 1525 if (transport_data->topics_ToSubscribe != UNSUBSCRIBE_FROM_TOPIC)
AzureIoTClient 11:31ebaeb51e1e 1526 {
AzureIoTClient 11:31ebaeb51e1e 1527 uint32_t topic_subscription = 0;
AzureIoTClient 11:31ebaeb51e1e 1528 size_t subscribe_count = 0;
AzureIoTClient 11:31ebaeb51e1e 1529 SUBSCRIBE_PAYLOAD subscribe[SUBSCRIBE_TOPIC_COUNT];
AzureIoTClient 11:31ebaeb51e1e 1530 if ((transport_data->topic_MqttMessage != NULL) && (SUBSCRIBE_TELEMETRY_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 11:31ebaeb51e1e 1531 {
AzureIoTClient 11:31ebaeb51e1e 1532 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 1533 subscribe[subscribe_count].qosReturn = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1534 topic_subscription |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1535 subscribe_count++;
AzureIoTClient 11:31ebaeb51e1e 1536 }
AzureIoTClient 12:658ca6865de2 1537 if ((transport_data->topic_GetState != NULL) && (SUBSCRIBE_GET_REPORTED_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1538 {
AzureIoTClient 12:658ca6865de2 1539 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 1540 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1541 topic_subscription |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1542 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1543 }
AzureIoTClient 12:658ca6865de2 1544 if ((transport_data->topic_NotifyState != NULL) && (SUBSCRIBE_NOTIFICATION_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1545 {
AzureIoTClient 12:658ca6865de2 1546 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 1547 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1548 topic_subscription |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1549 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1550 }
AzureIoTClient 12:658ca6865de2 1551 if ((transport_data->topic_DeviceMethods != NULL) && (SUBSCRIBE_DEVICE_METHOD_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1552 {
AzureIoTClient 12:658ca6865de2 1553 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 1554 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1555 topic_subscription |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1556 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1557 }
AzureIoTClient 11:31ebaeb51e1e 1558
AzureIoTClient 11:31ebaeb51e1e 1559 if (subscribe_count != 0)
AzureIoTClient 11:31ebaeb51e1e 1560 {
AzureIoTClient 12:658ca6865de2 1561 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransport_MQTT_Common_Subscribe shall call mqtt_client_subscribe to subscribe to the Message Topic.] */
AzureIoTClient 11:31ebaeb51e1e 1562 if (mqtt_client_subscribe(transport_data->mqttClient, get_next_packet_id(transport_data), subscribe, subscribe_count) != 0)
AzureIoTClient 11:31ebaeb51e1e 1563 {
AzureIoTClient 12:658ca6865de2 1564 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1565 LogError("Failure: mqtt_client_subscribe returned error.");
AzureIoTClient 11:31ebaeb51e1e 1566 }
AzureIoTClient 11:31ebaeb51e1e 1567 else
AzureIoTClient 11:31ebaeb51e1e 1568 {
AzureIoTClient 12:658ca6865de2 1569 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_018: [On success IoTHubTransport_MQTT_Common_Subscribe shall return 0.] */
AzureIoTClient 11:31ebaeb51e1e 1570 transport_data->topics_ToSubscribe &= ~topic_subscription;
AzureIoTClient 11:31ebaeb51e1e 1571 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1572 }
AzureIoTClient 11:31ebaeb51e1e 1573 }
AzureIoTClient 11:31ebaeb51e1e 1574 else
AzureIoTClient 11:31ebaeb51e1e 1575 {
AzureIoTClient 12:658ca6865de2 1576 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1577 LogError("Failure: subscribe_topic is empty.");
AzureIoTClient 11:31ebaeb51e1e 1578 }
AzureIoTClient 11:31ebaeb51e1e 1579 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1580 }
AzureIoTClient 11:31ebaeb51e1e 1581 else
AzureIoTClient 11:31ebaeb51e1e 1582 {
AzureIoTClient 11:31ebaeb51e1e 1583 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1584 }
AzureIoTClient 11:31ebaeb51e1e 1585 }
AzureIoTClient 11:31ebaeb51e1e 1586
AzureIoTClient 11:31ebaeb51e1e 1587 static const unsigned char* RetrieveMessagePayload(IOTHUB_MESSAGE_HANDLE messageHandle, size_t* length)
AzureIoTClient 11:31ebaeb51e1e 1588 {
AzureIoTClient 11:31ebaeb51e1e 1589 const unsigned char* result;
AzureIoTClient 11:31ebaeb51e1e 1590
AzureIoTClient 11:31ebaeb51e1e 1591 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1592 if (contentType == IOTHUBMESSAGE_BYTEARRAY)
AzureIoTClient 11:31ebaeb51e1e 1593 {
AzureIoTClient 11:31ebaeb51e1e 1594 if (IoTHubMessage_GetByteArray(messageHandle, &result, length) != IOTHUB_MESSAGE_OK)
AzureIoTClient 11:31ebaeb51e1e 1595 {
AzureIoTClient 11:31ebaeb51e1e 1596 LogError("Failure result from IoTHubMessage_GetByteArray");
AzureIoTClient 11:31ebaeb51e1e 1597 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1598 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1599 }
AzureIoTClient 11:31ebaeb51e1e 1600 }
AzureIoTClient 11:31ebaeb51e1e 1601 else if (contentType == IOTHUBMESSAGE_STRING)
AzureIoTClient 11:31ebaeb51e1e 1602 {
AzureIoTClient 11:31ebaeb51e1e 1603 result = (const unsigned char*)IoTHubMessage_GetString(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1604 if (result == NULL)
AzureIoTClient 11:31ebaeb51e1e 1605 {
AzureIoTClient 11:31ebaeb51e1e 1606 LogError("Failure result from IoTHubMessage_GetString");
AzureIoTClient 11:31ebaeb51e1e 1607 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1608 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1609 }
AzureIoTClient 11:31ebaeb51e1e 1610 else
AzureIoTClient 11:31ebaeb51e1e 1611 {
AzureIoTClient 11:31ebaeb51e1e 1612 *length = strlen((const char*)result);
AzureIoTClient 11:31ebaeb51e1e 1613 }
AzureIoTClient 11:31ebaeb51e1e 1614 }
AzureIoTClient 11:31ebaeb51e1e 1615 else
AzureIoTClient 11:31ebaeb51e1e 1616 {
AzureIoTClient 11:31ebaeb51e1e 1617 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1618 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1619 }
AzureIoTClient 11:31ebaeb51e1e 1620 return result;
AzureIoTClient 11:31ebaeb51e1e 1621 }
AzureIoTClient 11:31ebaeb51e1e 1622
AzureIoTClient 11:31ebaeb51e1e 1623 static int GetTransportProviderIfNecessary(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1624 {
AzureIoTClient 11:31ebaeb51e1e 1625 int result;
AzureIoTClient 11:31ebaeb51e1e 1626
AzureIoTClient 11:31ebaeb51e1e 1627 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1628 {
AzureIoTClient 11:31ebaeb51e1e 1629 // construct address
AzureIoTClient 11:31ebaeb51e1e 1630 const char* hostAddress = STRING_c_str(transport_data->hostAddress);
AzureIoTClient 20:594780be216d 1631 MQTT_TRANSPORT_PROXY_OPTIONS mqtt_proxy_options;
AzureIoTClient 20:594780be216d 1632
AzureIoTClient 20:594780be216d 1633 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_011: [ If no `proxy_data` option has been set, NULL shall be passed as the argument `mqtt_transport_proxy_options` when calling the function `get_io_transport` passed in `IoTHubTransport_MQTT_Common__Create`. ]*/
AzureIoTClient 20:594780be216d 1634 mqtt_proxy_options.host_address = transport_data->http_proxy_hostname;
AzureIoTClient 20:594780be216d 1635 mqtt_proxy_options.port = transport_data->http_proxy_port;
AzureIoTClient 20:594780be216d 1636 mqtt_proxy_options.username = transport_data->http_proxy_username;
AzureIoTClient 20:594780be216d 1637 mqtt_proxy_options.password = transport_data->http_proxy_password;
AzureIoTClient 20:594780be216d 1638
AzureIoTClient 20:594780be216d 1639 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_010: [ If the `proxy_data` option has been set, the proxy options shall be filled in the argument `mqtt_transport_proxy_options` when calling the function `get_io_transport` passed in `IoTHubTransport_MQTT_Common__Create` to obtain the underlying IO handle. ]*/
AzureIoTClient 20:594780be216d 1640 transport_data->xioTransport = transport_data->get_io_transport(hostAddress, (transport_data->http_proxy_hostname == NULL) ? NULL : &mqtt_proxy_options);
AzureIoTClient 11:31ebaeb51e1e 1641 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1642 {
AzureIoTClient 11:31ebaeb51e1e 1643 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 18:ec8e5e97c6a4 1644 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1645 }
AzureIoTClient 11:31ebaeb51e1e 1646 else
AzureIoTClient 11:31ebaeb51e1e 1647 {
AzureIoTClient 11:31ebaeb51e1e 1648 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1649 }
AzureIoTClient 11:31ebaeb51e1e 1650 }
AzureIoTClient 11:31ebaeb51e1e 1651 else
AzureIoTClient 11:31ebaeb51e1e 1652 {
AzureIoTClient 11:31ebaeb51e1e 1653 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1654 }
AzureIoTClient 11:31ebaeb51e1e 1655 return result;
AzureIoTClient 11:31ebaeb51e1e 1656 }
AzureIoTClient 11:31ebaeb51e1e 1657
AzureIoTClient 11:31ebaeb51e1e 1658 static int SendMqttConnectMsg(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1659 {
AzureIoTClient 11:31ebaeb51e1e 1660 int result;
AzureIoTClient 11:31ebaeb51e1e 1661
AzureIoTClient 11:31ebaeb51e1e 1662 // Not checking the success of this variable, if fail it will fail in the SASToken creation and return false;
AzureIoTClient 11:31ebaeb51e1e 1663 STRING_HANDLE emptyKeyName = STRING_new();
AzureIoTClient 11:31ebaeb51e1e 1664 if (emptyKeyName == NULL)
AzureIoTClient 11:31ebaeb51e1e 1665 {
AzureIoTClient 18:ec8e5e97c6a4 1666 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1667 }
AzureIoTClient 11:31ebaeb51e1e 1668 else
AzureIoTClient 11:31ebaeb51e1e 1669 {
AzureIoTClient 11:31ebaeb51e1e 1670 STRING_HANDLE sasToken = NULL;
AzureIoTClient 12:658ca6865de2 1671 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1672
AzureIoTClient 11:31ebaeb51e1e 1673 switch (transport_data->transport_creds.credential_type)
AzureIoTClient 11:31ebaeb51e1e 1674 {
AzureIoTClient 12:658ca6865de2 1675 case SAS_TOKEN_FROM_USER:
AzureIoTClient 12:658ca6865de2 1676 sasToken = STRING_clone(transport_data->transport_creds.CREDENTIAL_VALUE.deviceSasToken);
AzureIoTClient 12:658ca6865de2 1677 if (!SASToken_Validate(sasToken))
AzureIoTClient 11:31ebaeb51e1e 1678 {
AzureIoTClient 19:f87dfe76bc70 1679 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 12:658ca6865de2 1680 STRING_delete(sasToken);
AzureIoTClient 18:ec8e5e97c6a4 1681 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1682 }
AzureIoTClient 12:658ca6865de2 1683 break;
AzureIoTClient 12:658ca6865de2 1684 case DEVICE_KEY:
AzureIoTClient 12:658ca6865de2 1685 {
AzureIoTClient 12:658ca6865de2 1686 // Construct SAS token
AzureIoTClient 12:658ca6865de2 1687 size_t secSinceEpoch = (size_t)(difftime(get_time(NULL), EPOCH_TIME_T_VALUE) + 0);
AzureIoTClient 12:658ca6865de2 1688 size_t expiryTime = secSinceEpoch + SAS_TOKEN_DEFAULT_LIFETIME;
AzureIoTClient 11:31ebaeb51e1e 1689
AzureIoTClient 12:658ca6865de2 1690 sasToken = SASToken_Create(transport_data->transport_creds.CREDENTIAL_VALUE.deviceKey, transport_data->devicesPath, emptyKeyName, expiryTime);
AzureIoTClient 12:658ca6865de2 1691 break;
AzureIoTClient 12:658ca6865de2 1692 }
AzureIoTClient 12:658ca6865de2 1693 case X509:
AzureIoTClient 12:658ca6865de2 1694 default:
AzureIoTClient 12:658ca6865de2 1695 // The assumption here is that x509 is in place, if not setup
AzureIoTClient 12:658ca6865de2 1696 // correctly the connection will be rejected.
AzureIoTClient 12:658ca6865de2 1697 sasToken = NULL;
AzureIoTClient 12:658ca6865de2 1698 break;
AzureIoTClient 11:31ebaeb51e1e 1699 }
AzureIoTClient 11:31ebaeb51e1e 1700
AzureIoTClient 12:658ca6865de2 1701 if (result == 0)
AzureIoTClient 11:31ebaeb51e1e 1702 {
AzureIoTClient 12:658ca6865de2 1703 MQTT_CLIENT_OPTIONS options = { 0 };
AzureIoTClient 12:658ca6865de2 1704 options.clientId = (char*)STRING_c_str(transport_data->device_id);
AzureIoTClient 12:658ca6865de2 1705 options.willMessage = NULL;
AzureIoTClient 12:658ca6865de2 1706 options.username = (char*)STRING_c_str(transport_data->configPassedThroughUsername);
AzureIoTClient 12:658ca6865de2 1707 if (sasToken != NULL)
AzureIoTClient 12:658ca6865de2 1708 {
AzureIoTClient 12:658ca6865de2 1709 options.password = (char*)STRING_c_str(sasToken);
AzureIoTClient 12:658ca6865de2 1710 }
AzureIoTClient 12:658ca6865de2 1711 options.keepAliveInterval = transport_data->keepAliveValue;
AzureIoTClient 12:658ca6865de2 1712 options.useCleanSession = false;
AzureIoTClient 12:658ca6865de2 1713 options.qualityOfServiceValue = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1714
AzureIoTClient 12:658ca6865de2 1715 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 11:31ebaeb51e1e 1716 {
AzureIoTClient 12:658ca6865de2 1717 if (mqtt_client_connect(transport_data->mqttClient, transport_data->xioTransport, &options) != 0)
AzureIoTClient 12:658ca6865de2 1718 {
AzureIoTClient 12:658ca6865de2 1719 LogError("failure connecting to address %s:%d.", STRING_c_str(transport_data->hostAddress), transport_data->portNum);
AzureIoTClient 18:ec8e5e97c6a4 1720 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1721 }
AzureIoTClient 12:658ca6865de2 1722 else
AzureIoTClient 12:658ca6865de2 1723 {
Azure.IoT.Build 13:606465879c57 1724 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->mqtt_connect_time);
AzureIoTClient 12:658ca6865de2 1725 result = 0;
AzureIoTClient 12:658ca6865de2 1726 }
AzureIoTClient 11:31ebaeb51e1e 1727 }
AzureIoTClient 11:31ebaeb51e1e 1728 else
AzureIoTClient 11:31ebaeb51e1e 1729 {
AzureIoTClient 18:ec8e5e97c6a4 1730 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1731 }
AzureIoTClient 12:658ca6865de2 1732
AzureIoTClient 12:658ca6865de2 1733 STRING_delete(sasToken);
AzureIoTClient 11:31ebaeb51e1e 1734 }
AzureIoTClient 11:31ebaeb51e1e 1735 STRING_delete(emptyKeyName);
AzureIoTClient 11:31ebaeb51e1e 1736 }
AzureIoTClient 11:31ebaeb51e1e 1737 return result;
AzureIoTClient 11:31ebaeb51e1e 1738 }
AzureIoTClient 11:31ebaeb51e1e 1739
AzureIoTClient 20:594780be216d 1740 static void DisconnectFromClient(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 20:594780be216d 1741 {
AzureIoTClient 20:594780be216d 1742 (void)mqtt_client_disconnect(transport_data->mqttClient);
AzureIoTClient 20:594780be216d 1743 xio_destroy(transport_data->xioTransport);
AzureIoTClient 20:594780be216d 1744 transport_data->xioTransport = NULL;
AzureIoTClient 20:594780be216d 1745
AzureIoTClient 20:594780be216d 1746 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 20:594780be216d 1747 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 20:594780be216d 1748 }
AzureIoTClient 20:594780be216d 1749
AzureIoTClient 11:31ebaeb51e1e 1750 static int InitializeConnection(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1751 {
AzureIoTClient 11:31ebaeb51e1e 1752 int result = 0;
AzureIoTClient 11:31ebaeb51e1e 1753
AzureIoTClient 11:31ebaeb51e1e 1754 // Make sure we're not destroying the object
AzureIoTClient 11:31ebaeb51e1e 1755 if (!transport_data->isDestroyCalled)
AzureIoTClient 11:31ebaeb51e1e 1756 {
AzureIoTClient 20:594780be216d 1757 // If we are MQTT_CLIENT_STATUS_NOT_CONNECTED then check to see if we need
AzureIoTClient 11:31ebaeb51e1e 1758 // to back off the connecting to the server
AzureIoTClient 20:594780be216d 1759 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_NOT_CONNECTED && transport_data->isRecoverableError && CanRetry(transport_data->retryLogic))
AzureIoTClient 11:31ebaeb51e1e 1760 {
Azure.IoT.Build 13:606465879c57 1761 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->connectTick) != 0)
AzureIoTClient 11:31ebaeb51e1e 1762 {
AzureIoTClient 12:658ca6865de2 1763 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1764 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1765 }
AzureIoTClient 12:658ca6865de2 1766 else
AzureIoTClient 11:31ebaeb51e1e 1767 {
AzureIoTClient 12:658ca6865de2 1768 if (SendMqttConnectMsg(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 1769 {
AzureIoTClient 11:31ebaeb51e1e 1770 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1771 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1772 }
AzureIoTClient 11:31ebaeb51e1e 1773 else
AzureIoTClient 11:31ebaeb51e1e 1774 {
AzureIoTClient 20:594780be216d 1775 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTING;
AzureIoTClient 12:658ca6865de2 1776 transport_data->connectFailCount = 0;
AzureIoTClient 12:658ca6865de2 1777 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1778 }
AzureIoTClient 11:31ebaeb51e1e 1779 }
AzureIoTClient 11:31ebaeb51e1e 1780 }
AzureIoTClient 20:594780be216d 1781 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_001: [ IoTHubTransport_MQTT_Common_DoWork shall trigger reconnection if the mqtt_client_connect does not complete within `keepalive` seconds]
AzureIoTClient 20:594780be216d 1782 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTING)
AzureIoTClient 11:31ebaeb51e1e 1783 {
AzureIoTClient 20:594780be216d 1784 tickcounter_ms_t current_time;
AzureIoTClient 20:594780be216d 1785 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 20:594780be216d 1786 {
AzureIoTClient 20:594780be216d 1787 LogError("failed verifying MQTT_CLIENT_STATUS_CONNECTING timeout");
AzureIoTClient 20:594780be216d 1788 result = __FAILURE__;
AzureIoTClient 20:594780be216d 1789 }
AzureIoTClient 20:594780be216d 1790 else if ((current_time - transport_data->mqtt_connect_time) / 1000 > transport_data->keepAliveValue)
AzureIoTClient 20:594780be216d 1791 {
AzureIoTClient 20:594780be216d 1792 LogError("mqtt_client timed out waiting for CONNACK");
AzureIoTClient 20:594780be216d 1793 DisconnectFromClient(transport_data);
AzureIoTClient 20:594780be216d 1794 result = 0;
AzureIoTClient 20:594780be216d 1795 }
AzureIoTClient 20:594780be216d 1796 }
AzureIoTClient 20:594780be216d 1797 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTED)
AzureIoTClient 20:594780be216d 1798 {
AzureIoTClient 20:594780be216d 1799 // We are connected and not being closed, so does SAS need to reconnect?
Azure.IoT.Build 13:606465879c57 1800 tickcounter_ms_t current_time;
Azure.IoT.Build 13:606465879c57 1801 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 11:31ebaeb51e1e 1802 {
AzureIoTClient 11:31ebaeb51e1e 1803 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1804 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1805 }
AzureIoTClient 11:31ebaeb51e1e 1806 else
AzureIoTClient 11:31ebaeb51e1e 1807 {
AzureIoTClient 11:31ebaeb51e1e 1808 if ((current_time - transport_data->mqtt_connect_time) / 1000 > (SAS_TOKEN_DEFAULT_LIFETIME*SAS_REFRESH_MULTIPLIER))
AzureIoTClient 11:31ebaeb51e1e 1809 {
AzureIoTClient 11:31ebaeb51e1e 1810 (void)mqtt_client_disconnect(transport_data->mqttClient);
AzureIoTClient 19:f87dfe76bc70 1811 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 20:594780be216d 1812 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1813 transport_data->currPacketState = UNKNOWN_TYPE;
AzureIoTClient 12:658ca6865de2 1814 transport_data->device_twin_get_sent = false;
AzureIoTClient 11:31ebaeb51e1e 1815 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 11:31ebaeb51e1e 1816 {
AzureIoTClient 11:31ebaeb51e1e 1817 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1818 }
AzureIoTClient 12:658ca6865de2 1819 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 1820 {
AzureIoTClient 12:658ca6865de2 1821 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1822 }
AzureIoTClient 12:658ca6865de2 1823 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 1824 {
AzureIoTClient 12:658ca6865de2 1825 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1826 }
AzureIoTClient 12:658ca6865de2 1827 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 1828 {
AzureIoTClient 12:658ca6865de2 1829 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1830 }
AzureIoTClient 11:31ebaeb51e1e 1831 }
AzureIoTClient 11:31ebaeb51e1e 1832 }
AzureIoTClient 11:31ebaeb51e1e 1833 }
AzureIoTClient 11:31ebaeb51e1e 1834 }
AzureIoTClient 11:31ebaeb51e1e 1835 return result;
AzureIoTClient 11:31ebaeb51e1e 1836 }
AzureIoTClient 11:31ebaeb51e1e 1837
AzureIoTClient 11:31ebaeb51e1e 1838 static STRING_HANDLE buildConfigForUsername(const IOTHUB_CLIENT_CONFIG* upperConfig)
AzureIoTClient 11:31ebaeb51e1e 1839 {
AzureIoTClient 12:658ca6865de2 1840 STRING_HANDLE result = STRING_construct_sprintf("%s.%s/%s/api-version=%s&DeviceClientType=%s%%2F%s", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId, IOTHUB_API_VERSION, CLIENT_DEVICE_TYPE_PREFIX, IOTHUB_SDK_VERSION);
AzureIoTClient 11:31ebaeb51e1e 1841 return result;
AzureIoTClient 11:31ebaeb51e1e 1842 }
AzureIoTClient 11:31ebaeb51e1e 1843
AzureIoTClient 11:31ebaeb51e1e 1844 static int construct_credential_information(const IOTHUB_CLIENT_CONFIG* upperConfig, PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1845 {
AzureIoTClient 11:31ebaeb51e1e 1846 int result;
AzureIoTClient 11:31ebaeb51e1e 1847 if (upperConfig->deviceKey != NULL)
AzureIoTClient 11:31ebaeb51e1e 1848 {
AzureIoTClient 11:31ebaeb51e1e 1849 transport_data->transport_creds.CREDENTIAL_VALUE.deviceKey = STRING_construct(upperConfig->deviceKey);
AzureIoTClient 11:31ebaeb51e1e 1850 if (transport_data->transport_creds.CREDENTIAL_VALUE.deviceKey == NULL)
AzureIoTClient 11:31ebaeb51e1e 1851 {
AzureIoTClient 11:31ebaeb51e1e 1852 LogError("Could not create device key for MQTT");
AzureIoTClient 18:ec8e5e97c6a4 1853 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1854 }
AzureIoTClient 11:31ebaeb51e1e 1855 else if ((transport_data->devicesPath = STRING_construct_sprintf("%s.%s/devices/%s", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1856 {
AzureIoTClient 11:31ebaeb51e1e 1857 STRING_delete(transport_data->transport_creds.CREDENTIAL_VALUE.deviceKey);
AzureIoTClient 18:ec8e5e97c6a4 1858 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1859 }
AzureIoTClient 11:31ebaeb51e1e 1860 else
AzureIoTClient 11:31ebaeb51e1e 1861 {
AzureIoTClient 11:31ebaeb51e1e 1862 transport_data->transport_creds.credential_type = DEVICE_KEY;
AzureIoTClient 11:31ebaeb51e1e 1863 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1864 }
AzureIoTClient 11:31ebaeb51e1e 1865 }
AzureIoTClient 11:31ebaeb51e1e 1866 else if (upperConfig->deviceSasToken != NULL)
AzureIoTClient 11:31ebaeb51e1e 1867 {
AzureIoTClient 11:31ebaeb51e1e 1868 transport_data->transport_creds.CREDENTIAL_VALUE.deviceSasToken = STRING_construct(upperConfig->deviceSasToken);
AzureIoTClient 11:31ebaeb51e1e 1869 if (transport_data->transport_creds.CREDENTIAL_VALUE.deviceSasToken == NULL)
AzureIoTClient 11:31ebaeb51e1e 1870 {
AzureIoTClient 18:ec8e5e97c6a4 1871 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1872 }
AzureIoTClient 11:31ebaeb51e1e 1873 else
AzureIoTClient 11:31ebaeb51e1e 1874 {
AzureIoTClient 11:31ebaeb51e1e 1875 transport_data->transport_creds.credential_type = SAS_TOKEN_FROM_USER;
AzureIoTClient 11:31ebaeb51e1e 1876 transport_data->devicesPath = NULL;
AzureIoTClient 11:31ebaeb51e1e 1877 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1878 }
AzureIoTClient 11:31ebaeb51e1e 1879 }
AzureIoTClient 11:31ebaeb51e1e 1880 else
AzureIoTClient 11:31ebaeb51e1e 1881 {
AzureIoTClient 12:658ca6865de2 1882 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_041: [If both deviceKey and deviceSasToken fields are NULL then IoTHubTransport_MQTT_Common_Create shall assume a x509 authentication.] */
AzureIoTClient 11:31ebaeb51e1e 1883 transport_data->transport_creds.credential_type = X509;
AzureIoTClient 11:31ebaeb51e1e 1884 transport_data->devicesPath = NULL;
AzureIoTClient 11:31ebaeb51e1e 1885 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1886 }
AzureIoTClient 11:31ebaeb51e1e 1887 return result;
AzureIoTClient 11:31ebaeb51e1e 1888 }
AzureIoTClient 11:31ebaeb51e1e 1889
AzureIoTClient 11:31ebaeb51e1e 1890 static PMQTTTRANSPORT_HANDLE_DATA InitializeTransportHandleData(const IOTHUB_CLIENT_CONFIG* upperConfig, PDLIST_ENTRY waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 1891 {
AzureIoTClient 11:31ebaeb51e1e 1892 PMQTTTRANSPORT_HANDLE_DATA state = (PMQTTTRANSPORT_HANDLE_DATA)malloc(sizeof(MQTTTRANSPORT_HANDLE_DATA));
AzureIoTClient 11:31ebaeb51e1e 1893 if (state == NULL)
AzureIoTClient 11:31ebaeb51e1e 1894 {
AzureIoTClient 11:31ebaeb51e1e 1895 LogError("Could not create MQTT transport state. Memory allocation failed.");
AzureIoTClient 11:31ebaeb51e1e 1896 }
Azure.IoT.Build 13:606465879c57 1897 else if ((state->msgTickCounter = tickcounter_create()) == NULL)
Azure.IoT.Build 13:606465879c57 1898 {
Azure.IoT.Build 13:606465879c57 1899 LogError("Invalid Argument: iotHubName is empty");
Azure.IoT.Build 13:606465879c57 1900 free(state);
Azure.IoT.Build 13:606465879c57 1901 state = NULL;
Azure.IoT.Build 13:606465879c57 1902 }
AzureIoTClient 11:31ebaeb51e1e 1903 else if ((state->device_id = STRING_construct(upperConfig->deviceId)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1904 {
AzureIoTClient 11:31ebaeb51e1e 1905 LogError("failure constructing device_id.");
Azure.IoT.Build 13:606465879c57 1906 tickcounter_destroy(state->msgTickCounter);
AzureIoTClient 11:31ebaeb51e1e 1907 free(state);
AzureIoTClient 11:31ebaeb51e1e 1908 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1909 }
AzureIoTClient 11:31ebaeb51e1e 1910 else
AzureIoTClient 11:31ebaeb51e1e 1911 {
AzureIoTClient 11:31ebaeb51e1e 1912 if (construct_credential_information(upperConfig, state) != 0)
AzureIoTClient 11:31ebaeb51e1e 1913 {
AzureIoTClient 11:31ebaeb51e1e 1914 STRING_delete(state->device_id);
Azure.IoT.Build 13:606465879c57 1915 tickcounter_destroy(state->msgTickCounter);
AzureIoTClient 11:31ebaeb51e1e 1916 free(state);
AzureIoTClient 11:31ebaeb51e1e 1917 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1918 }
AzureIoTClient 11:31ebaeb51e1e 1919 else if ( (state->topic_MqttEvent = STRING_construct_sprintf(TOPIC_DEVICE_DEVICE, upperConfig->deviceId) ) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1920 {
AzureIoTClient 11:31ebaeb51e1e 1921 LogError("Could not create topic_MqttEvent for MQTT");
AzureIoTClient 11:31ebaeb51e1e 1922 STRING_delete(state->devicesPath);
AzureIoTClient 11:31ebaeb51e1e 1923 if (state->transport_creds.credential_type == DEVICE_KEY)
AzureIoTClient 11:31ebaeb51e1e 1924 {
AzureIoTClient 11:31ebaeb51e1e 1925 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceKey);
AzureIoTClient 11:31ebaeb51e1e 1926 }
AzureIoTClient 11:31ebaeb51e1e 1927 else if (state->transport_creds.credential_type == SAS_TOKEN_FROM_USER)
AzureIoTClient 11:31ebaeb51e1e 1928 {
AzureIoTClient 11:31ebaeb51e1e 1929 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceSasToken);
AzureIoTClient 11:31ebaeb51e1e 1930 }
AzureIoTClient 11:31ebaeb51e1e 1931 STRING_delete(state->device_id);
Azure.IoT.Build 13:606465879c57 1932 tickcounter_destroy(state->msgTickCounter);
AzureIoTClient 11:31ebaeb51e1e 1933 free(state);
AzureIoTClient 11:31ebaeb51e1e 1934 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1935 }
AzureIoTClient 11:31ebaeb51e1e 1936 else
AzureIoTClient 11:31ebaeb51e1e 1937 {
AzureIoTClient 12:658ca6865de2 1938 state->mqttClient = mqtt_client_init(mqtt_notification_callback, mqtt_operation_complete_callback, state, mqtt_error_callback, state);
AzureIoTClient 11:31ebaeb51e1e 1939 if (state->mqttClient == NULL)
AzureIoTClient 11:31ebaeb51e1e 1940 {
AzureIoTClient 11:31ebaeb51e1e 1941 LogError("failure initializing mqtt client.");
AzureIoTClient 11:31ebaeb51e1e 1942 STRING_delete(state->devicesPath);
AzureIoTClient 11:31ebaeb51e1e 1943 if (state->transport_creds.credential_type == DEVICE_KEY)
AzureIoTClient 11:31ebaeb51e1e 1944 {
AzureIoTClient 11:31ebaeb51e1e 1945 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceKey);
AzureIoTClient 11:31ebaeb51e1e 1946 }
AzureIoTClient 11:31ebaeb51e1e 1947 else if (state->transport_creds.credential_type == SAS_TOKEN_FROM_USER)
AzureIoTClient 11:31ebaeb51e1e 1948 {
AzureIoTClient 11:31ebaeb51e1e 1949 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceSasToken);
AzureIoTClient 11:31ebaeb51e1e 1950 }
AzureIoTClient 11:31ebaeb51e1e 1951 STRING_delete(state->topic_MqttEvent);
AzureIoTClient 11:31ebaeb51e1e 1952 STRING_delete(state->device_id);
Azure.IoT.Build 13:606465879c57 1953 tickcounter_destroy(state->msgTickCounter);
AzureIoTClient 11:31ebaeb51e1e 1954 free(state);
AzureIoTClient 11:31ebaeb51e1e 1955 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1956 }
AzureIoTClient 11:31ebaeb51e1e 1957 else
AzureIoTClient 11:31ebaeb51e1e 1958 {
AzureIoTClient 11:31ebaeb51e1e 1959 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_008: [If the upperConfig contains a valid protocolGatewayHostName value the this shall be used for the hostname, otherwise the hostname shall be constructed using the iothubname and iothubSuffix.] */
AzureIoTClient 11:31ebaeb51e1e 1960 if (upperConfig->protocolGatewayHostName == NULL)
AzureIoTClient 11:31ebaeb51e1e 1961 {
AzureIoTClient 11:31ebaeb51e1e 1962 state->hostAddress = STRING_construct_sprintf("%s.%s", upperConfig->iotHubName, upperConfig->iotHubSuffix);
AzureIoTClient 11:31ebaeb51e1e 1963 }
AzureIoTClient 11:31ebaeb51e1e 1964 else
AzureIoTClient 11:31ebaeb51e1e 1965 {
AzureIoTClient 11:31ebaeb51e1e 1966 state->hostAddress = STRING_construct(upperConfig->protocolGatewayHostName);
AzureIoTClient 11:31ebaeb51e1e 1967 }
AzureIoTClient 11:31ebaeb51e1e 1968
AzureIoTClient 11:31ebaeb51e1e 1969 if (state->hostAddress == NULL)
AzureIoTClient 11:31ebaeb51e1e 1970 {
AzureIoTClient 11:31ebaeb51e1e 1971 LogError("failure constructing host address.");
AzureIoTClient 11:31ebaeb51e1e 1972 STRING_delete(state->devicesPath);
AzureIoTClient 11:31ebaeb51e1e 1973 if (state->transport_creds.credential_type == DEVICE_KEY)
AzureIoTClient 11:31ebaeb51e1e 1974 {
AzureIoTClient 11:31ebaeb51e1e 1975 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceKey);
AzureIoTClient 11:31ebaeb51e1e 1976 }
AzureIoTClient 11:31ebaeb51e1e 1977 else if (state->transport_creds.credential_type == SAS_TOKEN_FROM_USER)
AzureIoTClient 11:31ebaeb51e1e 1978 {
AzureIoTClient 11:31ebaeb51e1e 1979 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceSasToken);
AzureIoTClient 11:31ebaeb51e1e 1980 }
AzureIoTClient 11:31ebaeb51e1e 1981 mqtt_client_deinit(state->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 1982 STRING_delete(state->topic_MqttEvent);
AzureIoTClient 11:31ebaeb51e1e 1983 STRING_delete(state->device_id);
Azure.IoT.Build 13:606465879c57 1984 tickcounter_destroy(state->msgTickCounter);
AzureIoTClient 11:31ebaeb51e1e 1985 free(state);
AzureIoTClient 11:31ebaeb51e1e 1986 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1987 }
AzureIoTClient 11:31ebaeb51e1e 1988 else if ((state->configPassedThroughUsername = buildConfigForUsername(upperConfig)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1989 {
AzureIoTClient 11:31ebaeb51e1e 1990 STRING_delete(state->devicesPath);
AzureIoTClient 11:31ebaeb51e1e 1991 if (state->transport_creds.credential_type == DEVICE_KEY)
AzureIoTClient 11:31ebaeb51e1e 1992 {
AzureIoTClient 11:31ebaeb51e1e 1993 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceKey);
AzureIoTClient 11:31ebaeb51e1e 1994 }
AzureIoTClient 11:31ebaeb51e1e 1995 else if (state->transport_creds.credential_type == SAS_TOKEN_FROM_USER)
AzureIoTClient 11:31ebaeb51e1e 1996 {
AzureIoTClient 11:31ebaeb51e1e 1997 STRING_delete(state->transport_creds.CREDENTIAL_VALUE.deviceSasToken);
AzureIoTClient 11:31ebaeb51e1e 1998 }
AzureIoTClient 11:31ebaeb51e1e 1999 mqtt_client_deinit(state->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 2000 STRING_delete(state->hostAddress);
AzureIoTClient 11:31ebaeb51e1e 2001 STRING_delete(state->topic_MqttEvent);
AzureIoTClient 11:31ebaeb51e1e 2002 STRING_delete(state->device_id);
Azure.IoT.Build 13:606465879c57 2003 tickcounter_destroy(state->msgTickCounter);
AzureIoTClient 11:31ebaeb51e1e 2004 free(state);
AzureIoTClient 11:31ebaeb51e1e 2005 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 2006 }
AzureIoTClient 11:31ebaeb51e1e 2007 else
AzureIoTClient 11:31ebaeb51e1e 2008 {
AzureIoTClient 12:658ca6865de2 2009 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_010: [IoTHubTransport_MQTT_Common_Create shall allocate memory to save its internal state where all topics, hostname, device_id, device_key, sasTokenSr and client handle shall be saved.] */
AzureIoTClient 11:31ebaeb51e1e 2010 DList_InitializeListHead(&(state->telemetry_waitingForAck));
AzureIoTClient 12:658ca6865de2 2011 DList_InitializeListHead(&(state->ack_waiting_queue));
AzureIoTClient 11:31ebaeb51e1e 2012 state->isDestroyCalled = false;
AzureIoTClient 11:31ebaeb51e1e 2013 state->isRegistered = false;
AzureIoTClient 20:594780be216d 2014 state->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 12:658ca6865de2 2015 state->device_twin_get_sent = false;
AzureIoTClient 12:658ca6865de2 2016 state->isRecoverableError = true;
AzureIoTClient 11:31ebaeb51e1e 2017 state->packetId = 1;
AzureIoTClient 11:31ebaeb51e1e 2018 state->llClientHandle = NULL;
AzureIoTClient 11:31ebaeb51e1e 2019 state->xioTransport = NULL;
AzureIoTClient 11:31ebaeb51e1e 2020 state->portNum = 0;
AzureIoTClient 11:31ebaeb51e1e 2021 state->waitingToSend = waitingToSend;
AzureIoTClient 11:31ebaeb51e1e 2022 state->currPacketState = CONNECT_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2023 state->keepAliveValue = DEFAULT_MQTT_KEEPALIVE;
AzureIoTClient 11:31ebaeb51e1e 2024 state->connectFailCount = 0;
AzureIoTClient 11:31ebaeb51e1e 2025 state->connectTick = 0;
AzureIoTClient 11:31ebaeb51e1e 2026 state->topic_MqttMessage = NULL;
AzureIoTClient 12:658ca6865de2 2027 state->topic_GetState = NULL;
AzureIoTClient 12:658ca6865de2 2028 state->topic_NotifyState = NULL;
AzureIoTClient 11:31ebaeb51e1e 2029 state->topics_ToSubscribe = UNSUBSCRIBE_FROM_TOPIC;
AzureIoTClient 12:658ca6865de2 2030 state->topic_DeviceMethods = NULL;
AzureIoTClient 11:31ebaeb51e1e 2031 state->log_trace = state->raw_trace = false;
AzureIoTClient 12:658ca6865de2 2032 state->retryLogic = NULL;
AzureIoTClient 12:658ca6865de2 2033 srand((unsigned int)get_time(NULL));
AzureIoTClient 11:31ebaeb51e1e 2034 }
AzureIoTClient 11:31ebaeb51e1e 2035 }
AzureIoTClient 11:31ebaeb51e1e 2036 }
AzureIoTClient 11:31ebaeb51e1e 2037 }
AzureIoTClient 11:31ebaeb51e1e 2038 return state;
AzureIoTClient 11:31ebaeb51e1e 2039 }
AzureIoTClient 11:31ebaeb51e1e 2040
AzureIoTClient 11:31ebaeb51e1e 2041 TRANSPORT_LL_HANDLE IoTHubTransport_MQTT_Common_Create(const IOTHUBTRANSPORT_CONFIG* config, MQTT_GET_IO_TRANSPORT get_io_transport)
AzureIoTClient 11:31ebaeb51e1e 2042 {
AzureIoTClient 11:31ebaeb51e1e 2043 PMQTTTRANSPORT_HANDLE_DATA result;
AzureIoTClient 11:31ebaeb51e1e 2044 size_t deviceIdSize;
AzureIoTClient 11:31ebaeb51e1e 2045
AzureIoTClient 12:658ca6865de2 2046 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [If parameter config is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2047 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_041: [ if get_io_transport is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL. ] */
AzureIoTClient 11:31ebaeb51e1e 2048 if (config == NULL || get_io_transport == NULL)
AzureIoTClient 11:31ebaeb51e1e 2049 {
AzureIoTClient 11:31ebaeb51e1e 2050 LogError("Invalid Argument: Config Parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2051 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2052 }
AzureIoTClient 12:658ca6865de2 2053 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2054 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2055 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_003: [If both deviceKey & deviceSasToken fields are NOT NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2056 else if (config->upperConfig == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2057 config->upperConfig->protocol == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2058 config->upperConfig->deviceId == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2059 ((config->upperConfig->deviceKey != NULL) && (config->upperConfig->deviceSasToken != NULL)) ||
AzureIoTClient 11:31ebaeb51e1e 2060 config->upperConfig->iotHubName == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2061 config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient 11:31ebaeb51e1e 2062 {
AzureIoTClient 11:31ebaeb51e1e 2063 LogError("Invalid Argument: upperConfig structure contains an invalid parameter");
AzureIoTClient 11:31ebaeb51e1e 2064 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2065 }
AzureIoTClient 12:658ca6865de2 2066 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2067 else if (config->waitingToSend == NULL)
AzureIoTClient 11:31ebaeb51e1e 2068 {
AzureIoTClient 11:31ebaeb51e1e 2069 LogError("Invalid Argument: waitingToSend is NULL)");
AzureIoTClient 11:31ebaeb51e1e 2070 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2071 }
AzureIoTClient 12:658ca6865de2 2072 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_006: [If the upperConfig's variables deviceId is an empty strings or length is greater then 128 then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2073 else if ( ( (deviceIdSize = strlen(config->upperConfig->deviceId)) > 128U) || (deviceIdSize == 0) )
AzureIoTClient 11:31ebaeb51e1e 2074 {
AzureIoTClient 11:31ebaeb51e1e 2075 LogError("Invalid Argument: DeviceId is of an invalid size");
AzureIoTClient 11:31ebaeb51e1e 2076 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2077 }
AzureIoTClient 12:658ca6865de2 2078 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2079 else if ((config->upperConfig->deviceKey != NULL) && (strlen(config->upperConfig->deviceKey) == 0))
AzureIoTClient 11:31ebaeb51e1e 2080 {
AzureIoTClient 11:31ebaeb51e1e 2081 LogError("Invalid Argument: deviceKey is empty");
AzureIoTClient 11:31ebaeb51e1e 2082 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2083 }
AzureIoTClient 12:658ca6865de2 2084 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2085 else if ((config->upperConfig->deviceSasToken != NULL) && (strlen(config->upperConfig->deviceSasToken) == 0))
AzureIoTClient 11:31ebaeb51e1e 2086 {
AzureIoTClient 11:31ebaeb51e1e 2087 LogError("Invalid Argument: deviceSasToken is empty");
AzureIoTClient 11:31ebaeb51e1e 2088 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2089 }
AzureIoTClient 12:658ca6865de2 2090 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, deviceKey, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2091 else if (strlen(config->upperConfig->iotHubName) == 0)
AzureIoTClient 11:31ebaeb51e1e 2092 {
AzureIoTClient 11:31ebaeb51e1e 2093 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 11:31ebaeb51e1e 2094 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2095 }
AzureIoTClient 11:31ebaeb51e1e 2096 else
AzureIoTClient 11:31ebaeb51e1e 2097 {
AzureIoTClient 11:31ebaeb51e1e 2098 result = InitializeTransportHandleData(config->upperConfig, config->waitingToSend);
Azure.IoT.Build 13:606465879c57 2099 if (result != NULL)
AzureIoTClient 11:31ebaeb51e1e 2100 {
AzureIoTClient 11:31ebaeb51e1e 2101 result->get_io_transport = get_io_transport;
AzureIoTClient 20:594780be216d 2102 result->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2103 result->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2104 result->http_proxy_password = NULL;
AzureIoTClient 11:31ebaeb51e1e 2105 }
AzureIoTClient 11:31ebaeb51e1e 2106 }
AzureIoTClient 12:658ca6865de2 2107 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [If any error is encountered then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2108 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_011: [On Success IoTHubTransport_MQTT_Common_Create shall return a non-NULL value.] */
AzureIoTClient 11:31ebaeb51e1e 2109 return result;
AzureIoTClient 11:31ebaeb51e1e 2110 }
AzureIoTClient 11:31ebaeb51e1e 2111
AzureIoTClient 11:31ebaeb51e1e 2112 void IoTHubTransport_MQTT_Common_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2113 {
AzureIoTClient 12:658ca6865de2 2114 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [IoTHubTransport_MQTT_Common_Destroy shall do nothing if parameter handle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2115 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2116 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2117 {
AzureIoTClient 11:31ebaeb51e1e 2118 transport_data->isDestroyCalled = true;
AzureIoTClient 11:31ebaeb51e1e 2119
AzureIoTClient 11:31ebaeb51e1e 2120 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2121
AzureIoTClient 11:31ebaeb51e1e 2122 //Empty the Waiting for Ack Messages.
AzureIoTClient 11:31ebaeb51e1e 2123 while (!DList_IsListEmpty(&transport_data->telemetry_waitingForAck))
AzureIoTClient 11:31ebaeb51e1e 2124 {
AzureIoTClient 11:31ebaeb51e1e 2125 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->telemetry_waitingForAck);
AzureIoTClient 11:31ebaeb51e1e 2126 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2127 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY);
AzureIoTClient 11:31ebaeb51e1e 2128 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2129 }
AzureIoTClient 12:658ca6865de2 2130 while (!DList_IsListEmpty(&transport_data->ack_waiting_queue))
AzureIoTClient 12:658ca6865de2 2131 {
AzureIoTClient 12:658ca6865de2 2132 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->ack_waiting_queue);
AzureIoTClient 12:658ca6865de2 2133 MQTT_DEVICE_TWIN_ITEM* mqtt_device_twin = containingRecord(currentEntry, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 2134 IoTHubClient_LL_ReportedStateComplete(transport_data->llClientHandle, mqtt_device_twin->iothub_msg_id, STATUS_CODE_TIMEOUT_VALUE);
AzureIoTClient 12:658ca6865de2 2135 free(mqtt_device_twin);
AzureIoTClient 12:658ca6865de2 2136 }
AzureIoTClient 11:31ebaeb51e1e 2137
AzureIoTClient 11:31ebaeb51e1e 2138 switch (transport_data->transport_creds.credential_type)
AzureIoTClient 11:31ebaeb51e1e 2139 {
AzureIoTClient 11:31ebaeb51e1e 2140 case SAS_TOKEN_FROM_USER:
AzureIoTClient 11:31ebaeb51e1e 2141 STRING_delete(transport_data->transport_creds.CREDENTIAL_VALUE.deviceSasToken);
AzureIoTClient 11:31ebaeb51e1e 2142 break;
AzureIoTClient 11:31ebaeb51e1e 2143 case DEVICE_KEY:
AzureIoTClient 11:31ebaeb51e1e 2144 STRING_delete(transport_data->transport_creds.CREDENTIAL_VALUE.deviceKey);
AzureIoTClient 11:31ebaeb51e1e 2145 STRING_delete(transport_data->devicesPath);
AzureIoTClient 11:31ebaeb51e1e 2146 break;
AzureIoTClient 11:31ebaeb51e1e 2147 case X509:
AzureIoTClient 11:31ebaeb51e1e 2148 default:
AzureIoTClient 11:31ebaeb51e1e 2149 break;
AzureIoTClient 11:31ebaeb51e1e 2150 }
AzureIoTClient 11:31ebaeb51e1e 2151
AzureIoTClient 12:658ca6865de2 2152 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_014: [IoTHubTransport_MQTT_Common_Destroy shall free all the resources currently in use.] */
AzureIoTClient 11:31ebaeb51e1e 2153 mqtt_client_deinit(transport_data->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 2154 STRING_delete(transport_data->topic_MqttEvent);
AzureIoTClient 11:31ebaeb51e1e 2155 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2156 STRING_delete(transport_data->device_id);
AzureIoTClient 11:31ebaeb51e1e 2157 STRING_delete(transport_data->hostAddress);
AzureIoTClient 11:31ebaeb51e1e 2158 STRING_delete(transport_data->configPassedThroughUsername);
AzureIoTClient 12:658ca6865de2 2159 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 2160 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 2161 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2162
Azure.IoT.Build 13:606465879c57 2163 tickcounter_destroy(transport_data->msgTickCounter);
AzureIoTClient 12:658ca6865de2 2164 DestroyRetryLogic(transport_data->retryLogic);
AzureIoTClient 20:594780be216d 2165 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_012: [ `IoTHubTransport_MQTT_Common_Destroy` shall free the stored proxy options. ]*/
AzureIoTClient 20:594780be216d 2166 free_proxy_data(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2167 free(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2168 }
AzureIoTClient 11:31ebaeb51e1e 2169 }
AzureIoTClient 11:31ebaeb51e1e 2170
AzureIoTClient 12:658ca6865de2 2171 int IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2172 {
AzureIoTClient 12:658ca6865de2 2173 int result;
AzureIoTClient 12:658ca6865de2 2174 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2175 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2176 {
AzureIoTClient 12:658ca6865de2 2177 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_042: [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2178 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2179 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2180 }
AzureIoTClient 12:658ca6865de2 2181 else
AzureIoTClient 12:658ca6865de2 2182 {
AzureIoTClient 12:658ca6865de2 2183 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2184 {
AzureIoTClient 12:658ca6865de2 2185 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_044: [IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall construct the get state topic string and the notify state topic string.] */
AzureIoTClient 12:658ca6865de2 2186 transport_data->topic_GetState = STRING_construct(TOPIC_GET_DESIRED_STATE);
AzureIoTClient 12:658ca6865de2 2187 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2188 {
AzureIoTClient 12:658ca6865de2 2189 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_046: [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2190 LogError("Failure: unable constructing reported state topic");
AzureIoTClient 18:ec8e5e97c6a4 2191 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2192 }
AzureIoTClient 12:658ca6865de2 2193 else
AzureIoTClient 12:658ca6865de2 2194 {
AzureIoTClient 12:658ca6865de2 2195 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2196 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2197 result = 0;
AzureIoTClient 12:658ca6865de2 2198 }
AzureIoTClient 12:658ca6865de2 2199 }
AzureIoTClient 12:658ca6865de2 2200 else
AzureIoTClient 12:658ca6865de2 2201 {
AzureIoTClient 12:658ca6865de2 2202 result = 0;
AzureIoTClient 12:658ca6865de2 2203 }
AzureIoTClient 12:658ca6865de2 2204 if (result == 0 && transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2205 {
AzureIoTClient 12:658ca6865de2 2206 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_044: [`IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin` shall construct the get state topic string and the notify state topic string.] */
AzureIoTClient 12:658ca6865de2 2207 transport_data->topic_NotifyState = STRING_construct(TOPIC_NOTIFICATION_STATE);
AzureIoTClient 12:658ca6865de2 2208 if (transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2209 {
AzureIoTClient 12:658ca6865de2 2210 LogError("Failure: unable constructing notify state topic");
AzureIoTClient 18:ec8e5e97c6a4 2211 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2212 }
AzureIoTClient 12:658ca6865de2 2213 else
AzureIoTClient 12:658ca6865de2 2214 {
AzureIoTClient 12:658ca6865de2 2215 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2216 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2217 result = 0;
AzureIoTClient 12:658ca6865de2 2218 }
AzureIoTClient 12:658ca6865de2 2219 }
AzureIoTClient 12:658ca6865de2 2220 if (result == 0)
AzureIoTClient 12:658ca6865de2 2221 {
AzureIoTClient 12:658ca6865de2 2222 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2223 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2224 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2225 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2226 {
AzureIoTClient 12:658ca6865de2 2227 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2228 }
AzureIoTClient 12:658ca6865de2 2229 }
AzureIoTClient 12:658ca6865de2 2230 }
AzureIoTClient 12:658ca6865de2 2231 return result;
AzureIoTClient 12:658ca6865de2 2232 }
AzureIoTClient 12:658ca6865de2 2233
AzureIoTClient 12:658ca6865de2 2234 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2235 {
AzureIoTClient 12:658ca6865de2 2236 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2237 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_048: [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall do nothing.] */
AzureIoTClient 12:658ca6865de2 2238 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2239 {
AzureIoTClient 12:658ca6865de2 2240 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 2241 {
AzureIoTClient 12:658ca6865de2 2242 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_049: [If subscribe_state is set to IOTHUB_DEVICE_TWIN_DESIRED_STATE then IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall unsubscribe from the topic_GetState to the mqtt client.] */
AzureIoTClient 12:658ca6865de2 2243 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2244 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 2245 transport_data->topic_GetState = NULL;
AzureIoTClient 12:658ca6865de2 2246 }
AzureIoTClient 12:658ca6865de2 2247 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 2248 {
AzureIoTClient 12:658ca6865de2 2249 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_050: [If subscribe_state is set to IOTHUB_DEVICE_TWIN_NOTIFICATION_STATE then IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall unsubscribe from the topic_NotifyState to the mqtt client.] */
AzureIoTClient 12:658ca6865de2 2250 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2251 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 2252 transport_data->topic_NotifyState = NULL;
AzureIoTClient 12:658ca6865de2 2253 }
AzureIoTClient 12:658ca6865de2 2254 }
AzureIoTClient 12:658ca6865de2 2255 else
AzureIoTClient 12:658ca6865de2 2256 {
AzureIoTClient 12:658ca6865de2 2257 LogError("Invalid argument to unsubscribe (handle is NULL).");
AzureIoTClient 12:658ca6865de2 2258 }
AzureIoTClient 12:658ca6865de2 2259 }
AzureIoTClient 12:658ca6865de2 2260
AzureIoTClient 12:658ca6865de2 2261 int IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2262 {
AzureIoTClient 12:658ca6865de2 2263 int result;
AzureIoTClient 12:658ca6865de2 2264 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2265
AzureIoTClient 12:658ca6865de2 2266 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2267 {
AzureIoTClient 12:658ca6865de2 2268 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_001 : [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2269 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2270 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2271 }
AzureIoTClient 12:658ca6865de2 2272 else
AzureIoTClient 12:658ca6865de2 2273 {
AzureIoTClient 12:658ca6865de2 2274 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2275 {
AzureIoTClient 12:658ca6865de2 2276 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_004 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for subscribe.]*/
AzureIoTClient 12:658ca6865de2 2277 transport_data->topic_DeviceMethods = STRING_construct(TOPIC_DEVICE_METHOD_SUBSCRIBE);
AzureIoTClient 12:658ca6865de2 2278 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2279 {
AzureIoTClient 12:658ca6865de2 2280 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_006 : [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2281 LogError("Failure: unable constructing device method subscribe topic");
AzureIoTClient 18:ec8e5e97c6a4 2282 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2283 }
AzureIoTClient 12:658ca6865de2 2284 else
AzureIoTClient 12:658ca6865de2 2285 {
AzureIoTClient 12:658ca6865de2 2286 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_003 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall set the signaling flag for DEVICE_METHOD topic for the receiver's topic list. ]*/
AzureIoTClient 12:658ca6865de2 2287 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2288 result = 0;
AzureIoTClient 12:658ca6865de2 2289 }
AzureIoTClient 12:658ca6865de2 2290 }
AzureIoTClient 12:658ca6865de2 2291 else
AzureIoTClient 12:658ca6865de2 2292 {
AzureIoTClient 12:658ca6865de2 2293 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_002 : [If the MQTT transport has been previously subscribed to DEVICE_METHOD topic IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall do nothing and return 0.]*/
AzureIoTClient 12:658ca6865de2 2294 result = 0;
AzureIoTClient 12:658ca6865de2 2295 }
AzureIoTClient 12:658ca6865de2 2296
AzureIoTClient 12:658ca6865de2 2297 if (result == 0)
AzureIoTClient 12:658ca6865de2 2298 {
AzureIoTClient 12:658ca6865de2 2299 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_005 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall schedule the send of the subscription.]*/
AzureIoTClient 12:658ca6865de2 2300 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_007 : [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return 0.]*/
AzureIoTClient 12:658ca6865de2 2301 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2302 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2303 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2304 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2305 {
AzureIoTClient 12:658ca6865de2 2306 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2307 }
AzureIoTClient 12:658ca6865de2 2308 }
AzureIoTClient 12:658ca6865de2 2309 }
AzureIoTClient 12:658ca6865de2 2310 return result;
AzureIoTClient 12:658ca6865de2 2311 }
AzureIoTClient 12:658ca6865de2 2312
AzureIoTClient 12:658ca6865de2 2313 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2314 {
AzureIoTClient 12:658ca6865de2 2315 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2316 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_008 : [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall do nothing and return.]*/
AzureIoTClient 12:658ca6865de2 2317 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2318 {
AzureIoTClient 12:658ca6865de2 2319 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_009 : [If the MQTT transport has not been subscribed to DEVICE_METHOD topic IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall do nothing and return.]*/
AzureIoTClient 12:658ca6865de2 2320 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 2321 {
AzureIoTClient 12:658ca6865de2 2322 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_010 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2323 const char* unsubscribe[1];
AzureIoTClient 12:658ca6865de2 2324 unsubscribe[0] = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2325
AzureIoTClient 12:658ca6865de2 2326 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_011 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall send the unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2327 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 12:658ca6865de2 2328 {
AzureIoTClient 12:658ca6865de2 2329 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 12:658ca6865de2 2330 }
AzureIoTClient 12:658ca6865de2 2331
AzureIoTClient 12:658ca6865de2 2332 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_012 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall removes the signaling flag for DEVICE_METHOD topic from the receiver's topic list. ]*/
AzureIoTClient 12:658ca6865de2 2333 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2334 transport_data->topic_DeviceMethods = NULL;
AzureIoTClient 12:658ca6865de2 2335 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2336 }
AzureIoTClient 12:658ca6865de2 2337 }
AzureIoTClient 12:658ca6865de2 2338 else
AzureIoTClient 12:658ca6865de2 2339 {
AzureIoTClient 12:658ca6865de2 2340 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 12:658ca6865de2 2341 }
AzureIoTClient 12:658ca6865de2 2342 }
AzureIoTClient 12:658ca6865de2 2343
AzureIoTClient 14:4dc2b011be33 2344 int IoTHubTransport_MQTT_Common_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t respSize, int status)
AzureIoTClient 14:4dc2b011be33 2345 {
AzureIoTClient 14:4dc2b011be33 2346 int result;
AzureIoTClient 14:4dc2b011be33 2347 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 14:4dc2b011be33 2348 if (transport_data != NULL)
AzureIoTClient 14:4dc2b011be33 2349 {
AzureIoTClient 14:4dc2b011be33 2350 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_042: [ IoTHubTransport_MQTT_Common_DeviceMethod_Response shall publish an mqtt message for the device method response. ] */
AzureIoTClient 14:4dc2b011be33 2351 DEVICE_METHOD_INFO* dev_method_info = (DEVICE_METHOD_INFO*)methodId;
AzureIoTClient 14:4dc2b011be33 2352 if (dev_method_info == NULL)
AzureIoTClient 14:4dc2b011be33 2353 {
AzureIoTClient 14:4dc2b011be33 2354 LogError("Failure: DEVICE_METHOD_INFO was NULL");
AzureIoTClient 18:ec8e5e97c6a4 2355 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2356 }
AzureIoTClient 14:4dc2b011be33 2357 else
AzureIoTClient 14:4dc2b011be33 2358 {
AzureIoTClient 14:4dc2b011be33 2359 if (publish_device_method_message(transport_data, status, dev_method_info->request_id, response, respSize) != 0)
AzureIoTClient 14:4dc2b011be33 2360 {
AzureIoTClient 14:4dc2b011be33 2361 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_051: [ If any error is encountered, IoTHubTransport_MQTT_Common_DeviceMethod_Response shall return a non-zero value. ] */
AzureIoTClient 14:4dc2b011be33 2362 LogError("Failure: publishing device method response");
AzureIoTClient 18:ec8e5e97c6a4 2363 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2364 }
AzureIoTClient 14:4dc2b011be33 2365 else
AzureIoTClient 14:4dc2b011be33 2366 {
AzureIoTClient 14:4dc2b011be33 2367 result = 0;
AzureIoTClient 14:4dc2b011be33 2368 }
AzureIoTClient 14:4dc2b011be33 2369 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 2370 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 2371 }
AzureIoTClient 14:4dc2b011be33 2372 }
AzureIoTClient 14:4dc2b011be33 2373 else
AzureIoTClient 14:4dc2b011be33 2374 {
AzureIoTClient 14:4dc2b011be33 2375 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_041: [ If the parameter handle is NULL than IoTHubTransport_MQTT_Common_DeviceMethod_Response shall return a non-zero value. ] */
AzureIoTClient 18:ec8e5e97c6a4 2376 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2377 LogError("Failure: invalid IOTHUB_DEVICE_HANDLE parameter specified");
AzureIoTClient 14:4dc2b011be33 2378 }
AzureIoTClient 14:4dc2b011be33 2379 return result;
AzureIoTClient 14:4dc2b011be33 2380 }
AzureIoTClient 14:4dc2b011be33 2381
AzureIoTClient 11:31ebaeb51e1e 2382 int IoTHubTransport_MQTT_Common_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2383 {
AzureIoTClient 11:31ebaeb51e1e 2384 int result;
AzureIoTClient 11:31ebaeb51e1e 2385 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2386 if (transport_data == NULL)
AzureIoTClient 11:31ebaeb51e1e 2387 {
AzureIoTClient 12:658ca6865de2 2388 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_015: [If parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 2389 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2390 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2391 }
AzureIoTClient 11:31ebaeb51e1e 2392 else
AzureIoTClient 11:31ebaeb51e1e 2393 {
AzureIoTClient 12:658ca6865de2 2394 /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransport_MQTT_Common_Subscribe shall set a flag to enable mqtt_client_subscribe to be called to subscribe to the Message Topic.] */
AzureIoTClient 11:31ebaeb51e1e 2395 transport_data->topic_MqttMessage = STRING_construct_sprintf(TOPIC_DEVICE_MSG, STRING_c_str(transport_data->device_id) );
AzureIoTClient 11:31ebaeb51e1e 2396 if (transport_data->topic_MqttMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 2397 {
AzureIoTClient 11:31ebaeb51e1e 2398 LogError("Failure constructing Message Topic");
AzureIoTClient 18:ec8e5e97c6a4 2399 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2400 }
AzureIoTClient 11:31ebaeb51e1e 2401 else
AzureIoTClient 11:31ebaeb51e1e 2402 {
AzureIoTClient 11:31ebaeb51e1e 2403 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 12:658ca6865de2 2404 /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_035: [If current packet state is not CONNACT, DISCONNECT_TYPE, or PACKET_TYPE_ERROR then IoTHubTransport_MQTT_Common_Subscribe shall set the packet state to SUBSCRIBE_TYPE.]*/
AzureIoTClient 11:31ebaeb51e1e 2405 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2406 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2407 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2408 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 11:31ebaeb51e1e 2409 {
AzureIoTClient 11:31ebaeb51e1e 2410 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2411 }
AzureIoTClient 11:31ebaeb51e1e 2412 result = 0;
AzureIoTClient 11:31ebaeb51e1e 2413 }
AzureIoTClient 11:31ebaeb51e1e 2414 }
AzureIoTClient 11:31ebaeb51e1e 2415 return result;
AzureIoTClient 11:31ebaeb51e1e 2416 }
AzureIoTClient 11:31ebaeb51e1e 2417
AzureIoTClient 11:31ebaeb51e1e 2418 void IoTHubTransport_MQTT_Common_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2419 {
AzureIoTClient 11:31ebaeb51e1e 2420 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2421 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_019: [If parameter handle is NULL then IoTHubTransport_MQTT_Common_Unsubscribe shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2422 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2423 {
AzureIoTClient 12:658ca6865de2 2424 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_020: [IoTHubTransport_MQTT_Common_Unsubscribe shall call mqtt_client_unsubscribe to unsubscribe the mqtt message topic.] */
AzureIoTClient 11:31ebaeb51e1e 2425 const char* unsubscribe[1];
AzureIoTClient 11:31ebaeb51e1e 2426 unsubscribe[0] = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2427 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 11:31ebaeb51e1e 2428 {
AzureIoTClient 11:31ebaeb51e1e 2429 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 11:31ebaeb51e1e 2430 }
AzureIoTClient 11:31ebaeb51e1e 2431 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2432 transport_data->topic_MqttMessage = NULL;
AzureIoTClient 11:31ebaeb51e1e 2433 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 2434 }
AzureIoTClient 11:31ebaeb51e1e 2435 else
AzureIoTClient 11:31ebaeb51e1e 2436 {
AzureIoTClient 11:31ebaeb51e1e 2437 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 11:31ebaeb51e1e 2438 }
AzureIoTClient 11:31ebaeb51e1e 2439 }
AzureIoTClient 11:31ebaeb51e1e 2440
AzureIoTClient 12:658ca6865de2 2441 IOTHUB_PROCESS_ITEM_RESULT IoTHubTransport_MQTT_Common_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
AzureIoTClient 12:658ca6865de2 2442 {
AzureIoTClient 12:658ca6865de2 2443 IOTHUB_PROCESS_ITEM_RESULT result;
AzureIoTClient 12:658ca6865de2 2444 /* Codes_SRS_IOTHUBCLIENT_LL_07_001: [ If handle or iothub_item are NULL then IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2445 if (handle == NULL || iothub_item == NULL)
AzureIoTClient 12:658ca6865de2 2446 {
AzureIoTClient 12:658ca6865de2 2447 LogError("Invalid handle parameter iothub_item=%p", iothub_item);
AzureIoTClient 12:658ca6865de2 2448 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2449 }
AzureIoTClient 12:658ca6865de2 2450 else
AzureIoTClient 12:658ca6865de2 2451 {
AzureIoTClient 12:658ca6865de2 2452 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2453
AzureIoTClient 12:658ca6865de2 2454 if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 12:658ca6865de2 2455 {
AzureIoTClient 12:658ca6865de2 2456 if (item_type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 12:658ca6865de2 2457 {
AzureIoTClient 12:658ca6865de2 2458 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 2459 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 2460 {
AzureIoTClient 12:658ca6865de2 2461 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2462 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2463 }
AzureIoTClient 12:658ca6865de2 2464 else
AzureIoTClient 12:658ca6865de2 2465 {
AzureIoTClient 12:658ca6865de2 2466 /*Codes_SRS_IOTHUBCLIENT_LL_07_003: [ IoTHubTransport_MQTT_Common_ProcessItem shall publish a message to the mqtt protocol with the message topic for the message type.]*/
AzureIoTClient 12:658ca6865de2 2467 mqtt_info->iothub_type = item_type;
AzureIoTClient 12:658ca6865de2 2468 mqtt_info->iothub_msg_id = iothub_item->device_twin->item_id;
AzureIoTClient 12:658ca6865de2 2469 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 2470
AzureIoTClient 12:658ca6865de2 2471 /* Codes_SRS_IOTHUBCLIENT_LL_07_005: [ If successful IoTHubTransport_MQTT_Common_ProcessItem shall add mqtt info structure acknowledgement queue. ] */
AzureIoTClient 12:658ca6865de2 2472 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2473
AzureIoTClient 12:658ca6865de2 2474 if (publish_device_twin_message(transport_data, iothub_item->device_twin, mqtt_info) != 0)
AzureIoTClient 12:658ca6865de2 2475 {
AzureIoTClient 12:658ca6865de2 2476 DList_RemoveEntryList(&mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2477
AzureIoTClient 12:658ca6865de2 2478 free(mqtt_info);
AzureIoTClient 12:658ca6865de2 2479 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2480 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2481 }
AzureIoTClient 12:658ca6865de2 2482 else
AzureIoTClient 12:658ca6865de2 2483 {
AzureIoTClient 12:658ca6865de2 2484 result = IOTHUB_PROCESS_OK;
AzureIoTClient 12:658ca6865de2 2485 }
AzureIoTClient 12:658ca6865de2 2486 }
AzureIoTClient 12:658ca6865de2 2487 }
AzureIoTClient 12:658ca6865de2 2488 else
AzureIoTClient 12:658ca6865de2 2489 {
AzureIoTClient 12:658ca6865de2 2490 /* Codes_SRS_IOTHUBCLIENT_LL_07_006: [ If the item_type is not a supported type IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_CONTINUE. ]*/
AzureIoTClient 12:658ca6865de2 2491 result = IOTHUB_PROCESS_CONTINUE;
AzureIoTClient 12:658ca6865de2 2492 }
AzureIoTClient 12:658ca6865de2 2493 }
AzureIoTClient 12:658ca6865de2 2494 else
AzureIoTClient 12:658ca6865de2 2495 {
AzureIoTClient 12:658ca6865de2 2496 /* Codes_SRS_IOTHUBCLIENT_LL_07_002: [ If the mqtt is not ready to publish messages IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_NOT_CONNECTED. ] */
AzureIoTClient 12:658ca6865de2 2497 result = IOTHUB_PROCESS_NOT_CONNECTED;
AzureIoTClient 12:658ca6865de2 2498 }
AzureIoTClient 12:658ca6865de2 2499 }
AzureIoTClient 12:658ca6865de2 2500 return result;
AzureIoTClient 12:658ca6865de2 2501 }
AzureIoTClient 12:658ca6865de2 2502
AzureIoTClient 12:658ca6865de2 2503 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ IoTHubTransport_MQTT_Common_DoWork shall subscribe to the Notification and get_state Topics if they are defined. ] */
AzureIoTClient 11:31ebaeb51e1e 2504 void IoTHubTransport_MQTT_Common_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 11:31ebaeb51e1e 2505 {
AzureIoTClient 12:658ca6865de2 2506 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_026: [IoTHubTransport_MQTT_Common_DoWork shall do nothing if parameter handle and/or iotHubClientHandle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2507 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2508 if (transport_data != NULL && iotHubClientHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2509 {
AzureIoTClient 11:31ebaeb51e1e 2510 transport_data->llClientHandle = iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2511
AzureIoTClient 11:31ebaeb51e1e 2512 if (InitializeConnection(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 2513 {
AzureIoTClient 11:31ebaeb51e1e 2514 // Don't want to flood the logs with failures here
AzureIoTClient 11:31ebaeb51e1e 2515 }
AzureIoTClient 11:31ebaeb51e1e 2516 else
AzureIoTClient 11:31ebaeb51e1e 2517 {
AzureIoTClient 11:31ebaeb51e1e 2518 if (transport_data->currPacketState == CONNACK_TYPE || transport_data->currPacketState == SUBSCRIBE_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2519 {
AzureIoTClient 11:31ebaeb51e1e 2520 SubscribeToMqttProtocol(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2521 }
AzureIoTClient 11:31ebaeb51e1e 2522 else if (transport_data->currPacketState == SUBACK_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2523 {
AzureIoTClient 12:658ca6865de2 2524 if ((transport_data->topic_NotifyState != NULL || transport_data->topic_GetState != NULL) &&
AzureIoTClient 12:658ca6865de2 2525 !transport_data->device_twin_get_sent)
AzureIoTClient 12:658ca6865de2 2526 {
AzureIoTClient 12:658ca6865de2 2527 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_055: [ IoTHubTransport_MQTT_Common_DoWork shall send a device twin get property message upon successfully retrieving a SUBACK on device twin topics. ] */
AzureIoTClient 12:658ca6865de2 2528 if (publish_device_twin_get_message(transport_data) == 0)
AzureIoTClient 12:658ca6865de2 2529 {
AzureIoTClient 12:658ca6865de2 2530 transport_data->device_twin_get_sent = true;
AzureIoTClient 12:658ca6865de2 2531 }
AzureIoTClient 12:658ca6865de2 2532 else
AzureIoTClient 12:658ca6865de2 2533 {
AzureIoTClient 12:658ca6865de2 2534 LogError("Failure: sending device twin get property command.");
AzureIoTClient 12:658ca6865de2 2535 }
AzureIoTClient 12:658ca6865de2 2536 }
AzureIoTClient 11:31ebaeb51e1e 2537 // Publish can be called now
AzureIoTClient 11:31ebaeb51e1e 2538 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2539 }
AzureIoTClient 11:31ebaeb51e1e 2540 else if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2541 {
AzureIoTClient 11:31ebaeb51e1e 2542 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 2543 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 2544 {
AzureIoTClient 11:31ebaeb51e1e 2545 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2546 DLIST_ENTRY nextListEntry;
AzureIoTClient 11:31ebaeb51e1e 2547 nextListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2548
Azure.IoT.Build 13:606465879c57 2549 tickcounter_ms_t current_ms;
Azure.IoT.Build 13:606465879c57 2550 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &current_ms);
AzureIoTClient 12:658ca6865de2 2551 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_033: [IoTHubTransport_MQTT_Common_DoWork shall iterate through the Waiting Acknowledge messages looking for any message that has been waiting longer than 2 min.]*/
AzureIoTClient 11:31ebaeb51e1e 2552 if (((current_ms - mqttMsgEntry->msgPublishTime) / 1000) > RESEND_TIMEOUT_VALUE_MIN)
AzureIoTClient 11:31ebaeb51e1e 2553 {
AzureIoTClient 12:658ca6865de2 2554 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_034: [If IoTHubTransport_MQTT_Common_DoWork has resent the message two times then it shall fail the message] */
AzureIoTClient 11:31ebaeb51e1e 2555 if (mqttMsgEntry->retryCount >= MAX_SEND_RECOUNT_LIMIT)
AzureIoTClient 11:31ebaeb51e1e 2556 {
AzureIoTClient 11:31ebaeb51e1e 2557 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2558 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_MESSAGE_TIMEOUT);
AzureIoTClient 11:31ebaeb51e1e 2559 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2560 }
AzureIoTClient 11:31ebaeb51e1e 2561 else
AzureIoTClient 11:31ebaeb51e1e 2562 {
AzureIoTClient 11:31ebaeb51e1e 2563 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2564 const unsigned char* messagePayload = RetrieveMessagePayload(mqttMsgEntry->iotHubMessageEntry->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2565 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2566 {
AzureIoTClient 11:31ebaeb51e1e 2567 LogError("Failure from creating Message IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2568 }
AzureIoTClient 11:31ebaeb51e1e 2569 else
AzureIoTClient 11:31ebaeb51e1e 2570 {
AzureIoTClient 11:31ebaeb51e1e 2571 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2572 {
AzureIoTClient 11:31ebaeb51e1e 2573 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2574 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2575 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2576 }
AzureIoTClient 11:31ebaeb51e1e 2577 }
AzureIoTClient 11:31ebaeb51e1e 2578 }
AzureIoTClient 11:31ebaeb51e1e 2579 }
AzureIoTClient 11:31ebaeb51e1e 2580 currentListEntry = nextListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2581 }
AzureIoTClient 11:31ebaeb51e1e 2582
AzureIoTClient 11:31ebaeb51e1e 2583 currentListEntry = transport_data->waitingToSend->Flink;
AzureIoTClient 12:658ca6865de2 2584 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2585 while (currentListEntry != transport_data->waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2586 {
AzureIoTClient 11:31ebaeb51e1e 2587 IOTHUB_MESSAGE_LIST* iothubMsgList = containingRecord(currentListEntry, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2588 DLIST_ENTRY savedFromCurrentListEntry;
AzureIoTClient 11:31ebaeb51e1e 2589 savedFromCurrentListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2590
AzureIoTClient 12:658ca6865de2 2591 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2592 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2593 const unsigned char* messagePayload = RetrieveMessagePayload(iothubMsgList->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2594 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2595 {
AzureIoTClient 11:31ebaeb51e1e 2596 LogError("Failure result from IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2597 }
AzureIoTClient 11:31ebaeb51e1e 2598 else
AzureIoTClient 11:31ebaeb51e1e 2599 {
AzureIoTClient 12:658ca6865de2 2600 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_029: [IoTHubTransport_MQTT_Common_DoWork shall create a MQTT_MESSAGE_HANDLE and pass this to a call to mqtt_client_publish.] */
AzureIoTClient 11:31ebaeb51e1e 2601 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = (MQTT_MESSAGE_DETAILS_LIST*)malloc(sizeof(MQTT_MESSAGE_DETAILS_LIST));
AzureIoTClient 11:31ebaeb51e1e 2602 if (mqttMsgEntry == NULL)
AzureIoTClient 11:31ebaeb51e1e 2603 {
AzureIoTClient 11:31ebaeb51e1e 2604 LogError("Allocation Error: Failure allocating MQTT Message Detail List.");
AzureIoTClient 11:31ebaeb51e1e 2605 }
AzureIoTClient 11:31ebaeb51e1e 2606 else
AzureIoTClient 11:31ebaeb51e1e 2607 {
AzureIoTClient 11:31ebaeb51e1e 2608 mqttMsgEntry->retryCount = 0;
AzureIoTClient 11:31ebaeb51e1e 2609 mqttMsgEntry->iotHubMessageEntry = iothubMsgList;
AzureIoTClient 11:31ebaeb51e1e 2610 mqttMsgEntry->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2611 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2612 {
AzureIoTClient 11:31ebaeb51e1e 2613 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2614 sendMsgComplete(iothubMsgList, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2615 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2616 }
AzureIoTClient 11:31ebaeb51e1e 2617 else
AzureIoTClient 11:31ebaeb51e1e 2618 {
AzureIoTClient 11:31ebaeb51e1e 2619 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2620 DList_InsertTailList(&(transport_data->telemetry_waitingForAck), &(mqttMsgEntry->entry));
AzureIoTClient 11:31ebaeb51e1e 2621 }
AzureIoTClient 11:31ebaeb51e1e 2622 }
AzureIoTClient 11:31ebaeb51e1e 2623 }
AzureIoTClient 11:31ebaeb51e1e 2624 currentListEntry = savedFromCurrentListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2625 }
AzureIoTClient 11:31ebaeb51e1e 2626 }
AzureIoTClient 20:594780be216d 2627 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_030: [IoTHubTransport_MQTT_Common_DoWork shall call mqtt_client_dowork everytime it is called if it is connected.] */
AzureIoTClient 11:31ebaeb51e1e 2628 mqtt_client_dowork(transport_data->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 2629 }
AzureIoTClient 11:31ebaeb51e1e 2630 }
AzureIoTClient 11:31ebaeb51e1e 2631 }
AzureIoTClient 11:31ebaeb51e1e 2632
AzureIoTClient 11:31ebaeb51e1e 2633 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 11:31ebaeb51e1e 2634 {
AzureIoTClient 11:31ebaeb51e1e 2635 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2636
AzureIoTClient 11:31ebaeb51e1e 2637 if (handle == NULL || iotHubClientStatus == NULL)
AzureIoTClient 11:31ebaeb51e1e 2638 {
AzureIoTClient 12:658ca6865de2 2639 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_023: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter.] */
AzureIoTClient 11:31ebaeb51e1e 2640 LogError("invalid arument.");
AzureIoTClient 11:31ebaeb51e1e 2641 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2642 }
AzureIoTClient 11:31ebaeb51e1e 2643 else
AzureIoTClient 11:31ebaeb51e1e 2644 {
AzureIoTClient 11:31ebaeb51e1e 2645 MQTTTRANSPORT_HANDLE_DATA* handleData = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2646 if (!DList_IsListEmpty(handleData->waitingToSend) || !DList_IsListEmpty(&(handleData->telemetry_waitingForAck)))
AzureIoTClient 11:31ebaeb51e1e 2647 {
AzureIoTClient 12:658ca6865de2 2648 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_025: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently event items to be sent or being sent.] */
AzureIoTClient 11:31ebaeb51e1e 2649 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 11:31ebaeb51e1e 2650 }
AzureIoTClient 11:31ebaeb51e1e 2651 else
AzureIoTClient 11:31ebaeb51e1e 2652 {
AzureIoTClient 12:658ca6865de2 2653 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_024: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there are currently no event items to be sent or being sent.] */
AzureIoTClient 11:31ebaeb51e1e 2654 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 11:31ebaeb51e1e 2655 }
AzureIoTClient 11:31ebaeb51e1e 2656 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2657 }
AzureIoTClient 11:31ebaeb51e1e 2658 return result;
AzureIoTClient 11:31ebaeb51e1e 2659 }
AzureIoTClient 11:31ebaeb51e1e 2660
AzureIoTClient 11:31ebaeb51e1e 2661 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient 11:31ebaeb51e1e 2662 {
AzureIoTClient 12:658ca6865de2 2663 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_021: [If any parameter is NULL then IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 11:31ebaeb51e1e 2664 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2665 if (
AzureIoTClient 11:31ebaeb51e1e 2666 (handle == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2667 (option == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2668 (value == NULL)
AzureIoTClient 11:31ebaeb51e1e 2669 )
AzureIoTClient 11:31ebaeb51e1e 2670 {
AzureIoTClient 11:31ebaeb51e1e 2671 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2672 LogError("invalid parameter (NULL) passed to IoTHubTransport_MQTT_Common_SetOption.");
AzureIoTClient 11:31ebaeb51e1e 2673 }
AzureIoTClient 11:31ebaeb51e1e 2674 else
AzureIoTClient 11:31ebaeb51e1e 2675 {
AzureIoTClient 11:31ebaeb51e1e 2676 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2677 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_031: [If the option parameter is set to "logtrace" then the value shall be a bool_ptr and the value will determine if the mqtt client log is on or off.] */
AzureIoTClient 11:31ebaeb51e1e 2678 if (strcmp(OPTION_LOG_TRACE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2679 {
AzureIoTClient 11:31ebaeb51e1e 2680 transport_data->log_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2681 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2682 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2683 }
AzureIoTClient 11:31ebaeb51e1e 2684 else if (strcmp("rawlogtrace", option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2685 {
AzureIoTClient 11:31ebaeb51e1e 2686 transport_data->raw_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2687 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2688 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2689 }
AzureIoTClient 11:31ebaeb51e1e 2690 else if (strcmp(OPTION_KEEP_ALIVE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2691 {
AzureIoTClient 11:31ebaeb51e1e 2692 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_036: [If the option parameter is set to "keepalive" then the value shall be a int_ptr and the value will determine the mqtt keepalive time that is set for pings.] */
AzureIoTClient 11:31ebaeb51e1e 2693 int* keepAliveOption = (int*)value;
AzureIoTClient 12:658ca6865de2 2694 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_037 : [If the option parameter is set to supplied int_ptr keepalive is the same value as the existing keepalive then IoTHubTransport_MQTT_Common_SetOption shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2695 if (*keepAliveOption != transport_data->keepAliveValue)
AzureIoTClient 11:31ebaeb51e1e 2696 {
AzureIoTClient 11:31ebaeb51e1e 2697 transport_data->keepAliveValue = (uint16_t)(*keepAliveOption);
AzureIoTClient 20:594780be216d 2698 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_NOT_CONNECTED)
AzureIoTClient 11:31ebaeb51e1e 2699 {
AzureIoTClient 20:594780be216d 2700 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_038: [If the client is connected when the keepalive is set then IoTHubTransport_MQTT_Common_SetOption shall disconnect and reconnect with the specified keepalive value.] */
AzureIoTClient 11:31ebaeb51e1e 2701 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2702 }
AzureIoTClient 11:31ebaeb51e1e 2703 }
AzureIoTClient 11:31ebaeb51e1e 2704 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2705 }
AzureIoTClient 11:31ebaeb51e1e 2706 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_039: [If the option parameter is set to "x509certificate" then the value shall be a const char of the certificate to be used for x509.] */
AzureIoTClient 11:31ebaeb51e1e 2707 else if ((strcmp(OPTION_X509_CERT, option) == 0) && (transport_data->transport_creds.credential_type != X509))
AzureIoTClient 11:31ebaeb51e1e 2708 {
AzureIoTClient 11:31ebaeb51e1e 2709 LogError("x509certificate specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2710 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2711 }
AzureIoTClient 11:31ebaeb51e1e 2712 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_040: [If the option parameter is set to "x509privatekey" then the value shall be a const char of the RSA Private Key to be used for x509.] */
AzureIoTClient 11:31ebaeb51e1e 2713 else if ((strcmp(OPTION_X509_PRIVATE_KEY, option) == 0) && (transport_data->transport_creds.credential_type != X509))
AzureIoTClient 11:31ebaeb51e1e 2714 {
AzureIoTClient 11:31ebaeb51e1e 2715 LogError("x509privatekey specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2716 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2717 }
AzureIoTClient 20:594780be216d 2718 else if (strcmp(OPTION_HTTP_PROXY, option) == 0)
AzureIoTClient 20:594780be216d 2719 {
AzureIoTClient 20:594780be216d 2720 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_001: [ If `option` is `proxy_data`, `value` shall be used as an `HTTP_PROXY_OPTIONS*`. ]*/
AzureIoTClient 20:594780be216d 2721 HTTP_PROXY_OPTIONS* proxy_options = (HTTP_PROXY_OPTIONS*)value;
AzureIoTClient 20:594780be216d 2722
AzureIoTClient 20:594780be216d 2723 if (transport_data->xioTransport != NULL)
AzureIoTClient 20:594780be216d 2724 {
AzureIoTClient 20:594780be216d 2725 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_007: [ If the underlying IO has already been created, then `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2726 LogError("Cannot set proxy option once the underlying IO is created");
AzureIoTClient 20:594780be216d 2727 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2728 }
AzureIoTClient 20:594780be216d 2729 else if (proxy_options->host_address == NULL)
AzureIoTClient 20:594780be216d 2730 {
AzureIoTClient 20:594780be216d 2731 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_003: [ If `host_address` is NULL, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
AzureIoTClient 20:594780be216d 2732 LogError("NULL host_address in proxy options");
AzureIoTClient 20:594780be216d 2733 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2734 }
AzureIoTClient 20:594780be216d 2735 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_006: [ If only one of `username` and `password` is NULL, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
AzureIoTClient 20:594780be216d 2736 else if (((proxy_options->username == NULL) || (proxy_options->password == NULL)) &&
AzureIoTClient 20:594780be216d 2737 (proxy_options->username != proxy_options->password))
AzureIoTClient 20:594780be216d 2738 {
AzureIoTClient 20:594780be216d 2739 LogError("Only one of username and password for proxy settings was NULL");
AzureIoTClient 20:594780be216d 2740 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2741 }
AzureIoTClient 20:594780be216d 2742 else
AzureIoTClient 20:594780be216d 2743 {
AzureIoTClient 20:594780be216d 2744 char* copied_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2745 char* copied_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2746 char* copied_proxy_password = NULL;
AzureIoTClient 20:594780be216d 2747
AzureIoTClient 20:594780be216d 2748 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_002: [ The fields `host_address`, `port`, `username` and `password` shall be saved for later used (needed when creating the underlying IO to be used by the transport). ]*/
AzureIoTClient 20:594780be216d 2749 transport_data->http_proxy_port = proxy_options->port;
AzureIoTClient 20:594780be216d 2750 if (mallocAndStrcpy_s(&copied_proxy_hostname, proxy_options->host_address) != 0)
AzureIoTClient 20:594780be216d 2751 {
AzureIoTClient 20:594780be216d 2752 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2753 LogError("Cannot copy HTTP proxy hostname");
AzureIoTClient 20:594780be216d 2754 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2755 }
AzureIoTClient 20:594780be216d 2756 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2757 else if ((proxy_options->username != NULL) && (mallocAndStrcpy_s(&copied_proxy_username, proxy_options->username) != 0))
AzureIoTClient 20:594780be216d 2758 {
AzureIoTClient 20:594780be216d 2759 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2760 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2761 LogError("Cannot copy HTTP proxy username");
AzureIoTClient 20:594780be216d 2762 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2763 }
AzureIoTClient 20:594780be216d 2764 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2765 else if ((proxy_options->password != NULL) && (mallocAndStrcpy_s(&copied_proxy_password, proxy_options->password) != 0))
AzureIoTClient 20:594780be216d 2766 {
AzureIoTClient 20:594780be216d 2767 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2768 if (copied_proxy_username != NULL)
AzureIoTClient 20:594780be216d 2769 {
AzureIoTClient 20:594780be216d 2770 free(copied_proxy_username);
AzureIoTClient 20:594780be216d 2771 }
AzureIoTClient 20:594780be216d 2772 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2773 LogError("Cannot copy HTTP proxy password");
AzureIoTClient 20:594780be216d 2774 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2775 }
AzureIoTClient 20:594780be216d 2776 else
AzureIoTClient 20:594780be216d 2777 {
AzureIoTClient 20:594780be216d 2778 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_009: [ When setting the proxy options succeeds any previously saved proxy options shall be freed. ]*/
AzureIoTClient 20:594780be216d 2779 free_proxy_data(transport_data);
AzureIoTClient 20:594780be216d 2780
AzureIoTClient 20:594780be216d 2781 transport_data->http_proxy_hostname = copied_proxy_hostname;
AzureIoTClient 20:594780be216d 2782 transport_data->http_proxy_username = copied_proxy_username;
AzureIoTClient 20:594780be216d 2783 transport_data->http_proxy_password = copied_proxy_password;
AzureIoTClient 20:594780be216d 2784
AzureIoTClient 20:594780be216d 2785 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_008: [ If setting the `proxy_data` option suceeds, `IoTHubTransport_MQTT_Common_SetOption` shall return `IOTHUB_CLIENT_OK` ]*/
AzureIoTClient 20:594780be216d 2786 result = IOTHUB_CLIENT_OK;
AzureIoTClient 20:594780be216d 2787 }
AzureIoTClient 20:594780be216d 2788 }
AzureIoTClient 20:594780be216d 2789 }
AzureIoTClient 11:31ebaeb51e1e 2790 else
AzureIoTClient 11:31ebaeb51e1e 2791 {
AzureIoTClient 12:658ca6865de2 2792 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_032: [IoTHubTransport_MQTT_Common_SetOption shall pass down the option to xio_setoption if the option parameter is not a known option string for the MQTT transport.] */
AzureIoTClient 11:31ebaeb51e1e 2793 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 11:31ebaeb51e1e 2794 {
AzureIoTClient 11:31ebaeb51e1e 2795 if (xio_setoption(transport_data->xioTransport, option, value) == 0)
AzureIoTClient 11:31ebaeb51e1e 2796 {
AzureIoTClient 11:31ebaeb51e1e 2797 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2798 }
AzureIoTClient 11:31ebaeb51e1e 2799 else
AzureIoTClient 11:31ebaeb51e1e 2800 {
AzureIoTClient 12:658ca6865de2 2801 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_132: [IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG xio_setoption fails] */
AzureIoTClient 11:31ebaeb51e1e 2802 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2803 }
AzureIoTClient 11:31ebaeb51e1e 2804 }
AzureIoTClient 11:31ebaeb51e1e 2805 else
AzureIoTClient 11:31ebaeb51e1e 2806 {
AzureIoTClient 11:31ebaeb51e1e 2807 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 11:31ebaeb51e1e 2808 }
AzureIoTClient 11:31ebaeb51e1e 2809 }
AzureIoTClient 11:31ebaeb51e1e 2810 }
AzureIoTClient 11:31ebaeb51e1e 2811 return result;
AzureIoTClient 11:31ebaeb51e1e 2812 }
AzureIoTClient 11:31ebaeb51e1e 2813
AzureIoTClient 11:31ebaeb51e1e 2814 IOTHUB_DEVICE_HANDLE IoTHubTransport_MQTT_Common_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2815 {
AzureIoTClient 11:31ebaeb51e1e 2816 IOTHUB_DEVICE_HANDLE result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2817 (void)iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2818
AzureIoTClient 12:658ca6865de2 2819 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.]
AzureIoTClient 12:658ca6865de2 2820 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if device or waitingToSend are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2821 if ((handle == NULL) || (device == NULL) || (waitingToSend == NULL))
AzureIoTClient 11:31ebaeb51e1e 2822 {
AzureIoTClient 12:658ca6865de2 2823 LogError("IoTHubTransport_MQTT_Common_Register: handle, device or waitingToSend is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2824 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2825 }
AzureIoTClient 11:31ebaeb51e1e 2826 else
AzureIoTClient 11:31ebaeb51e1e 2827 {
AzureIoTClient 11:31ebaeb51e1e 2828 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2829
AzureIoTClient 12:658ca6865de2 2830 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if deviceId, or both deviceKey and deviceSasToken are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2831 if (device->deviceId == NULL)
AzureIoTClient 11:31ebaeb51e1e 2832 {
AzureIoTClient 12:658ca6865de2 2833 LogError("IoTHubTransport_MQTT_Common_Register: deviceId is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2834 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2835 }
AzureIoTClient 12:658ca6865de2 2836 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if both deviceKey and deviceSasToken are provided.]
AzureIoTClient 11:31ebaeb51e1e 2837 else if ((device->deviceKey != NULL) && (device->deviceSasToken != NULL))
AzureIoTClient 11:31ebaeb51e1e 2838 {
AzureIoTClient 12:658ca6865de2 2839 LogError("IoTHubTransport_MQTT_Common_Register: Both deviceKey and deviceSasToken are defined. Only one can be used.");
AzureIoTClient 11:31ebaeb51e1e 2840 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2841 }
AzureIoTClient 11:31ebaeb51e1e 2842 else
AzureIoTClient 11:31ebaeb51e1e 2843 {
AzureIoTClient 12:658ca6865de2 2844 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_003: [ IoTHubTransport_MQTT_Common_Register shall return NULL if deviceId or deviceKey do not match the deviceId and deviceKey passed in during IoTHubTransport_MQTT_Common_Create.]
AzureIoTClient 11:31ebaeb51e1e 2845 if (strcmp(STRING_c_str(transport_data->device_id), device->deviceId) != 0)
AzureIoTClient 11:31ebaeb51e1e 2846 {
AzureIoTClient 12:658ca6865de2 2847 LogError("IoTHubTransport_MQTT_Common_Register: deviceId does not match.");
AzureIoTClient 11:31ebaeb51e1e 2848 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2849 }
AzureIoTClient 11:31ebaeb51e1e 2850 else if ( (transport_data->transport_creds.credential_type == DEVICE_KEY) && (strcmp(STRING_c_str(transport_data->transport_creds.CREDENTIAL_VALUE.deviceKey), device->deviceKey) != 0))
AzureIoTClient 11:31ebaeb51e1e 2851 {
AzureIoTClient 12:658ca6865de2 2852 LogError("IoTHubTransport_MQTT_Common_Register: deviceKey does not match.");
AzureIoTClient 11:31ebaeb51e1e 2853 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2854 }
AzureIoTClient 11:31ebaeb51e1e 2855 else
AzureIoTClient 11:31ebaeb51e1e 2856 {
AzureIoTClient 11:31ebaeb51e1e 2857 if (transport_data->isRegistered == true)
AzureIoTClient 11:31ebaeb51e1e 2858 {
AzureIoTClient 11:31ebaeb51e1e 2859 LogError("Transport already has device registered by id: [%s]", device->deviceId);
AzureIoTClient 11:31ebaeb51e1e 2860 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2861 }
AzureIoTClient 11:31ebaeb51e1e 2862 else
AzureIoTClient 11:31ebaeb51e1e 2863 {
AzureIoTClient 11:31ebaeb51e1e 2864 transport_data->isRegistered = true;
AzureIoTClient 12:658ca6865de2 2865 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_004: [ IoTHubTransport_MQTT_Common_Register shall return the TRANSPORT_LL_HANDLE as the IOTHUB_DEVICE_HANDLE. ]
AzureIoTClient 11:31ebaeb51e1e 2866 result = (IOTHUB_DEVICE_HANDLE)handle;
AzureIoTClient 11:31ebaeb51e1e 2867 }
AzureIoTClient 11:31ebaeb51e1e 2868 }
AzureIoTClient 11:31ebaeb51e1e 2869 }
AzureIoTClient 11:31ebaeb51e1e 2870 }
AzureIoTClient 11:31ebaeb51e1e 2871
AzureIoTClient 11:31ebaeb51e1e 2872 return result;
AzureIoTClient 11:31ebaeb51e1e 2873 }
AzureIoTClient 11:31ebaeb51e1e 2874
AzureIoTClient 11:31ebaeb51e1e 2875 void IoTHubTransport_MQTT_Common_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
AzureIoTClient 11:31ebaeb51e1e 2876 {
AzureIoTClient 14:4dc2b011be33 2877 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_005: [ If deviceHandle is NULL `IoTHubTransport_MQTT_Common_Unregister` shall do nothing. ]
AzureIoTClient 11:31ebaeb51e1e 2878 if (deviceHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2879 {
AzureIoTClient 11:31ebaeb51e1e 2880 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)deviceHandle;
AzureIoTClient 11:31ebaeb51e1e 2881
AzureIoTClient 11:31ebaeb51e1e 2882 transport_data->isRegistered = false;
AzureIoTClient 11:31ebaeb51e1e 2883 }
AzureIoTClient 11:31ebaeb51e1e 2884 }
AzureIoTClient 11:31ebaeb51e1e 2885
AzureIoTClient 11:31ebaeb51e1e 2886 STRING_HANDLE IoTHubTransport_MQTT_Common_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2887 {
AzureIoTClient 11:31ebaeb51e1e 2888 STRING_HANDLE result;
AzureIoTClient 12:658ca6865de2 2889 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_001: [ If handle is NULL then IoTHubTransport_MQTT_Common_GetHostname shall fail and return NULL. ]*/
AzureIoTClient 11:31ebaeb51e1e 2890 if (handle == NULL)
AzureIoTClient 11:31ebaeb51e1e 2891 {
AzureIoTClient 11:31ebaeb51e1e 2892 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2893 }
AzureIoTClient 11:31ebaeb51e1e 2894 else
AzureIoTClient 11:31ebaeb51e1e 2895 {
AzureIoTClient 12:658ca6865de2 2896 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_002: [ Otherwise IoTHubTransport_MQTT_Common_GetHostname shall return a non-NULL STRING_HANDLE containg the hostname. ]*/
AzureIoTClient 11:31ebaeb51e1e 2897 result = ((MQTTTRANSPORT_HANDLE_DATA*)handle)->hostAddress;
AzureIoTClient 11:31ebaeb51e1e 2898 }
AzureIoTClient 11:31ebaeb51e1e 2899 return result;
AzureIoTClient 11:31ebaeb51e1e 2900 }
AzureIoTClient 19:f87dfe76bc70 2901
AzureIoTClient 19:f87dfe76bc70 2902 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
AzureIoTClient 19:f87dfe76bc70 2903 {
AzureIoTClient 19:f87dfe76bc70 2904 (void)disposition;
AzureIoTClient 19:f87dfe76bc70 2905
AzureIoTClient 19:f87dfe76bc70 2906 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 19:f87dfe76bc70 2907 if (message_data)
AzureIoTClient 19:f87dfe76bc70 2908 {
AzureIoTClient 19:f87dfe76bc70 2909 if (message_data->messageHandle)
AzureIoTClient 19:f87dfe76bc70 2910 {
AzureIoTClient 19:f87dfe76bc70 2911 IoTHubMessage_Destroy(message_data->messageHandle);
AzureIoTClient 19:f87dfe76bc70 2912 result = IOTHUB_CLIENT_OK;
AzureIoTClient 19:f87dfe76bc70 2913 }
AzureIoTClient 19:f87dfe76bc70 2914 else
AzureIoTClient 19:f87dfe76bc70 2915 {
AzureIoTClient 19:f87dfe76bc70 2916 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_002: [If any of the messageData fields are NULL, IoTHubTransport_MQTT_Common_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR. ]*/
AzureIoTClient 19:f87dfe76bc70 2917 LogError("message handle is NULL");
AzureIoTClient 19:f87dfe76bc70 2918 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 2919 }
AzureIoTClient 19:f87dfe76bc70 2920 free(message_data);
AzureIoTClient 19:f87dfe76bc70 2921 }
AzureIoTClient 19:f87dfe76bc70 2922 else
AzureIoTClient 19:f87dfe76bc70 2923 {
AzureIoTClient 19:f87dfe76bc70 2924 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_001: [If messageData is NULL, IoTHubTransport_MQTT_Common_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR. ]*/
AzureIoTClient 19:f87dfe76bc70 2925 LogError("message_data is NULL");
AzureIoTClient 19:f87dfe76bc70 2926 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 2927 }
AzureIoTClient 19:f87dfe76bc70 2928 return result;
AzureIoTClient 19:f87dfe76bc70 2929 }
AzureIoTClient 19:f87dfe76bc70 2930