A small memory footprint AMQP implimentation
Dependents: iothub_client_sample_amqp remote_monitoring simplesample_amqp
session.c@44:9dd558f13109, 2018-06-26 (annotated)
- Committer:
- AzureIoTClient
- Date:
- Tue Jun 26 19:14:57 2018 -0700
- Revision:
- 44:9dd558f13109
- Parent:
- 43:4c1e4e94cdd3
1.2.6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Azure.IoT Build | 0:6ae2f7bca550 | 1 | // Copyright (c) Microsoft. All rights reserved. |
Azure.IoT Build | 0:6ae2f7bca550 | 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information. |
Azure.IoT Build | 0:6ae2f7bca550 | 3 | |
Azure.IoT Build | 0:6ae2f7bca550 | 4 | #include <stdlib.h> |
Azure.IoT Build | 0:6ae2f7bca550 | 5 | #include <string.h> |
AzureIoTClient | 21:f9c433d8e6ca | 6 | #include "azure_c_shared_utility/optimize_size.h" |
AzureIoTClient | 21:f9c433d8e6ca | 7 | #include "azure_c_shared_utility/gballoc.h" |
Azure.IoT Build | 0:6ae2f7bca550 | 8 | #include "azure_uamqp_c/session.h" |
Azure.IoT Build | 0:6ae2f7bca550 | 9 | #include "azure_uamqp_c/connection.h" |
AzureIoTClient | 40:f0ceafa8d570 | 10 | #include "azure_uamqp_c/amqp_definitions.h" |
Azure.IoT Build | 0:6ae2f7bca550 | 11 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 12 | typedef enum LINK_ENDPOINT_STATE_TAG |
AzureIoTClient | 43:4c1e4e94cdd3 | 13 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 14 | LINK_ENDPOINT_STATE_NOT_ATTACHED, |
AzureIoTClient | 43:4c1e4e94cdd3 | 15 | LINK_ENDPOINT_STATE_ATTACHED, |
AzureIoTClient | 43:4c1e4e94cdd3 | 16 | LINK_ENDPOINT_STATE_DETACHING |
AzureIoTClient | 43:4c1e4e94cdd3 | 17 | } LINK_ENDPOINT_STATE; |
AzureIoTClient | 43:4c1e4e94cdd3 | 18 | |
Azure.IoT Build | 0:6ae2f7bca550 | 19 | typedef struct LINK_ENDPOINT_INSTANCE_TAG |
Azure.IoT Build | 0:6ae2f7bca550 | 20 | { |
AzureIoTClient | 28:add19eb7defa | 21 | char* name; |
AzureIoTClient | 28:add19eb7defa | 22 | handle input_handle; |
AzureIoTClient | 28:add19eb7defa | 23 | handle output_handle; |
AzureIoTClient | 28:add19eb7defa | 24 | ON_ENDPOINT_FRAME_RECEIVED frame_received_callback; |
AzureIoTClient | 28:add19eb7defa | 25 | ON_SESSION_STATE_CHANGED on_session_state_changed; |
AzureIoTClient | 28:add19eb7defa | 26 | ON_SESSION_FLOW_ON on_session_flow_on; |
AzureIoTClient | 28:add19eb7defa | 27 | void* callback_context; |
AzureIoTClient | 28:add19eb7defa | 28 | SESSION_HANDLE session; |
AzureIoTClient | 43:4c1e4e94cdd3 | 29 | LINK_ENDPOINT_STATE link_endpoint_state; |
Azure.IoT Build | 0:6ae2f7bca550 | 30 | } LINK_ENDPOINT_INSTANCE; |
Azure.IoT Build | 0:6ae2f7bca550 | 31 | |
Azure.IoT Build | 0:6ae2f7bca550 | 32 | typedef struct SESSION_INSTANCE_TAG |
Azure.IoT Build | 0:6ae2f7bca550 | 33 | { |
AzureIoTClient | 28:add19eb7defa | 34 | ON_ENDPOINT_FRAME_RECEIVED frame_received_callback; |
AzureIoTClient | 28:add19eb7defa | 35 | void* frame_received_callback_context; |
AzureIoTClient | 28:add19eb7defa | 36 | SESSION_STATE session_state; |
AzureIoTClient | 28:add19eb7defa | 37 | SESSION_STATE previous_session_state; |
AzureIoTClient | 28:add19eb7defa | 38 | CONNECTION_HANDLE connection; |
AzureIoTClient | 28:add19eb7defa | 39 | ENDPOINT_HANDLE endpoint; |
AzureIoTClient | 28:add19eb7defa | 40 | LINK_ENDPOINT_INSTANCE** link_endpoints; |
AzureIoTClient | 28:add19eb7defa | 41 | uint32_t link_endpoint_count; |
Azure.IoT Build | 0:6ae2f7bca550 | 42 | |
AzureIoTClient | 28:add19eb7defa | 43 | ON_LINK_ATTACHED on_link_attached; |
AzureIoTClient | 28:add19eb7defa | 44 | void* on_link_attached_callback_context; |
Azure.IoT Build | 0:6ae2f7bca550 | 45 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 46 | /* Codes_S_R_S_SESSION_01_016: [next-outgoing-id The next-outgoing-id is the transfer-id to assign to the next transfer frame.] */ |
AzureIoTClient | 28:add19eb7defa | 47 | transfer_number next_outgoing_id; |
AzureIoTClient | 28:add19eb7defa | 48 | transfer_number next_incoming_id; |
Azure.IoT Build | 0:6ae2f7bca550 | 49 | uint32_t desired_incoming_window; |
AzureIoTClient | 28:add19eb7defa | 50 | uint32_t incoming_window; |
AzureIoTClient | 28:add19eb7defa | 51 | uint32_t outgoing_window; |
AzureIoTClient | 28:add19eb7defa | 52 | handle handle_max; |
AzureIoTClient | 28:add19eb7defa | 53 | uint32_t remote_incoming_window; |
AzureIoTClient | 28:add19eb7defa | 54 | uint32_t remote_outgoing_window; |
AzureIoTClient | 43:4c1e4e94cdd3 | 55 | unsigned int is_underlying_connection_open : 1; |
Azure.IoT Build | 0:6ae2f7bca550 | 56 | } SESSION_INSTANCE; |
Azure.IoT Build | 0:6ae2f7bca550 | 57 | |
AzureIoTClient | 6:641a9672db08 | 58 | #define UNDERLYING_CONNECTION_NOT_OPEN 0 |
AzureIoTClient | 43:4c1e4e94cdd3 | 59 | #define UNDERLYING_CONNECTION_OPEN 1 |
AzureIoTClient | 43:4c1e4e94cdd3 | 60 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 61 | static void remove_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint) |
AzureIoTClient | 43:4c1e4e94cdd3 | 62 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 63 | if (link_endpoint != NULL) |
AzureIoTClient | 43:4c1e4e94cdd3 | 64 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 65 | LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
AzureIoTClient | 43:4c1e4e94cdd3 | 66 | SESSION_INSTANCE* session_instance = endpoint_instance->session; |
AzureIoTClient | 43:4c1e4e94cdd3 | 67 | uint32_t i; |
AzureIoTClient | 43:4c1e4e94cdd3 | 68 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 69 | for (i = 0; i < session_instance->link_endpoint_count; i++) |
AzureIoTClient | 43:4c1e4e94cdd3 | 70 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 71 | if (session_instance->link_endpoints[i] == link_endpoint) |
AzureIoTClient | 43:4c1e4e94cdd3 | 72 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 73 | break; |
AzureIoTClient | 43:4c1e4e94cdd3 | 74 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 75 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 76 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 77 | if (i < session_instance->link_endpoint_count) |
AzureIoTClient | 43:4c1e4e94cdd3 | 78 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 79 | LINK_ENDPOINT_INSTANCE** new_endpoints; |
AzureIoTClient | 43:4c1e4e94cdd3 | 80 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 81 | if (i < (session_instance->link_endpoint_count - 1)) |
AzureIoTClient | 43:4c1e4e94cdd3 | 82 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 83 | (void)memmove(&session_instance->link_endpoints[i], &session_instance->link_endpoints[i + 1], (session_instance->link_endpoint_count - (uint32_t)i - 1) * sizeof(LINK_ENDPOINT_INSTANCE*)); |
AzureIoTClient | 43:4c1e4e94cdd3 | 84 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 85 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 86 | session_instance->link_endpoint_count--; |
AzureIoTClient | 43:4c1e4e94cdd3 | 87 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 88 | if (session_instance->link_endpoint_count == 0) |
AzureIoTClient | 43:4c1e4e94cdd3 | 89 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 90 | free(session_instance->link_endpoints); |
AzureIoTClient | 43:4c1e4e94cdd3 | 91 | session_instance->link_endpoints = NULL; |
AzureIoTClient | 43:4c1e4e94cdd3 | 92 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 93 | else |
AzureIoTClient | 43:4c1e4e94cdd3 | 94 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 95 | new_endpoints = (LINK_ENDPOINT_INSTANCE**)realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * session_instance->link_endpoint_count); |
AzureIoTClient | 43:4c1e4e94cdd3 | 96 | if (new_endpoints != NULL) |
AzureIoTClient | 43:4c1e4e94cdd3 | 97 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 98 | session_instance->link_endpoints = new_endpoints; |
AzureIoTClient | 43:4c1e4e94cdd3 | 99 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 100 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 101 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 102 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 103 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 104 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 105 | static void free_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint) |
AzureIoTClient | 43:4c1e4e94cdd3 | 106 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 107 | if (link_endpoint->name != NULL) |
AzureIoTClient | 43:4c1e4e94cdd3 | 108 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 109 | free(link_endpoint->name); |
AzureIoTClient | 43:4c1e4e94cdd3 | 110 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 111 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 112 | free(link_endpoint); |
AzureIoTClient | 43:4c1e4e94cdd3 | 113 | } |
AzureIoTClient | 6:641a9672db08 | 114 | |
Azure.IoT Build | 0:6ae2f7bca550 | 115 | static void session_set_state(SESSION_INSTANCE* session_instance, SESSION_STATE session_state) |
Azure.IoT Build | 0:6ae2f7bca550 | 116 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 117 | uint32_t i; |
Azure.IoT Build | 0:6ae2f7bca550 | 118 | |
AzureIoTClient | 28:add19eb7defa | 119 | session_instance->previous_session_state = session_instance->session_state; |
AzureIoTClient | 28:add19eb7defa | 120 | session_instance->session_state = session_state; |
Azure.IoT Build | 0:6ae2f7bca550 | 121 | |
AzureIoTClient | 28:add19eb7defa | 122 | for (i = 0; i < session_instance->link_endpoint_count; i++) |
AzureIoTClient | 28:add19eb7defa | 123 | { |
AzureIoTClient | 28:add19eb7defa | 124 | if (session_instance->link_endpoints[i]->on_session_state_changed != NULL) |
AzureIoTClient | 28:add19eb7defa | 125 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 126 | if (session_instance->link_endpoints[i]->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING) |
AzureIoTClient | 43:4c1e4e94cdd3 | 127 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 128 | session_instance->link_endpoints[i]->on_session_state_changed(session_instance->link_endpoints[i]->callback_context, session_state, session_instance->previous_session_state); |
AzureIoTClient | 43:4c1e4e94cdd3 | 129 | } |
AzureIoTClient | 28:add19eb7defa | 130 | } |
AzureIoTClient | 28:add19eb7defa | 131 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 132 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 133 | |
Azure.IoT Build | 0:6ae2f7bca550 | 134 | static int send_end_frame(SESSION_INSTANCE* session_instance, ERROR_HANDLE error_handle) |
Azure.IoT Build | 0:6ae2f7bca550 | 135 | { |
AzureIoTClient | 28:add19eb7defa | 136 | int result; |
AzureIoTClient | 28:add19eb7defa | 137 | END_HANDLE end_performative; |
Azure.IoT Build | 0:6ae2f7bca550 | 138 | |
AzureIoTClient | 28:add19eb7defa | 139 | end_performative = end_create(); |
AzureIoTClient | 28:add19eb7defa | 140 | if (end_performative == NULL) |
AzureIoTClient | 28:add19eb7defa | 141 | { |
AzureIoTClient | 28:add19eb7defa | 142 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 143 | } |
AzureIoTClient | 28:add19eb7defa | 144 | else |
AzureIoTClient | 28:add19eb7defa | 145 | { |
AzureIoTClient | 28:add19eb7defa | 146 | if ((error_handle != NULL) && |
AzureIoTClient | 28:add19eb7defa | 147 | (end_set_error(end_performative, error_handle) != 0)) |
AzureIoTClient | 28:add19eb7defa | 148 | { |
AzureIoTClient | 28:add19eb7defa | 149 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 150 | } |
AzureIoTClient | 28:add19eb7defa | 151 | else |
AzureIoTClient | 28:add19eb7defa | 152 | { |
AzureIoTClient | 28:add19eb7defa | 153 | AMQP_VALUE end_performative_value = amqpvalue_create_end(end_performative); |
AzureIoTClient | 28:add19eb7defa | 154 | if (end_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 155 | { |
AzureIoTClient | 28:add19eb7defa | 156 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 157 | } |
AzureIoTClient | 28:add19eb7defa | 158 | else |
AzureIoTClient | 28:add19eb7defa | 159 | { |
AzureIoTClient | 28:add19eb7defa | 160 | if (connection_encode_frame(session_instance->endpoint, end_performative_value, NULL, 0, NULL, NULL) != 0) |
AzureIoTClient | 28:add19eb7defa | 161 | { |
AzureIoTClient | 28:add19eb7defa | 162 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 163 | } |
AzureIoTClient | 28:add19eb7defa | 164 | else |
AzureIoTClient | 28:add19eb7defa | 165 | { |
AzureIoTClient | 28:add19eb7defa | 166 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 167 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 168 | |
AzureIoTClient | 28:add19eb7defa | 169 | amqpvalue_destroy(end_performative_value); |
AzureIoTClient | 28:add19eb7defa | 170 | } |
AzureIoTClient | 28:add19eb7defa | 171 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 172 | |
AzureIoTClient | 28:add19eb7defa | 173 | end_destroy(end_performative); |
AzureIoTClient | 28:add19eb7defa | 174 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 175 | |
AzureIoTClient | 28:add19eb7defa | 176 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 177 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 178 | |
Azure.IoT Build | 0:6ae2f7bca550 | 179 | static void end_session_with_error(SESSION_INSTANCE* session_instance, const char* condition_value, const char* description) |
Azure.IoT Build | 0:6ae2f7bca550 | 180 | { |
AzureIoTClient | 28:add19eb7defa | 181 | ERROR_HANDLE error_handle = error_create(condition_value); |
AzureIoTClient | 28:add19eb7defa | 182 | if (error_handle == NULL) |
AzureIoTClient | 28:add19eb7defa | 183 | { |
AzureIoTClient | 28:add19eb7defa | 184 | /* fatal error */ |
AzureIoTClient | 28:add19eb7defa | 185 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 43:4c1e4e94cdd3 | 186 | (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session", NULL); |
AzureIoTClient | 28:add19eb7defa | 187 | } |
AzureIoTClient | 28:add19eb7defa | 188 | else |
AzureIoTClient | 28:add19eb7defa | 189 | { |
AzureIoTClient | 28:add19eb7defa | 190 | if ((error_set_description(error_handle, description) != 0) || |
AzureIoTClient | 28:add19eb7defa | 191 | (send_end_frame(session_instance, error_handle) != 0)) |
AzureIoTClient | 28:add19eb7defa | 192 | { |
AzureIoTClient | 28:add19eb7defa | 193 | /* fatal error */ |
AzureIoTClient | 28:add19eb7defa | 194 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 43:4c1e4e94cdd3 | 195 | (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session", NULL); |
AzureIoTClient | 28:add19eb7defa | 196 | } |
AzureIoTClient | 28:add19eb7defa | 197 | else |
AzureIoTClient | 28:add19eb7defa | 198 | { |
AzureIoTClient | 28:add19eb7defa | 199 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 28:add19eb7defa | 200 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 201 | |
AzureIoTClient | 28:add19eb7defa | 202 | error_destroy(error_handle); |
AzureIoTClient | 28:add19eb7defa | 203 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 204 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 205 | |
Azure.IoT Build | 0:6ae2f7bca550 | 206 | static int send_begin(SESSION_INSTANCE* session_instance) |
Azure.IoT Build | 0:6ae2f7bca550 | 207 | { |
AzureIoTClient | 28:add19eb7defa | 208 | int result; |
AzureIoTClient | 28:add19eb7defa | 209 | BEGIN_HANDLE begin = begin_create(session_instance->next_outgoing_id, session_instance->incoming_window, session_instance->outgoing_window); |
Azure.IoT Build | 0:6ae2f7bca550 | 210 | |
AzureIoTClient | 28:add19eb7defa | 211 | if (begin == NULL) |
AzureIoTClient | 28:add19eb7defa | 212 | { |
AzureIoTClient | 28:add19eb7defa | 213 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 214 | } |
AzureIoTClient | 28:add19eb7defa | 215 | else |
AzureIoTClient | 28:add19eb7defa | 216 | { |
AzureIoTClient | 28:add19eb7defa | 217 | uint16_t remote_channel; |
AzureIoTClient | 28:add19eb7defa | 218 | if (begin_set_handle_max(begin, session_instance->handle_max) != 0) |
AzureIoTClient | 28:add19eb7defa | 219 | { |
AzureIoTClient | 28:add19eb7defa | 220 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 221 | } |
AzureIoTClient | 28:add19eb7defa | 222 | else if ((session_instance->session_state == SESSION_STATE_BEGIN_RCVD) && |
AzureIoTClient | 28:add19eb7defa | 223 | ((connection_endpoint_get_incoming_channel(session_instance->endpoint, &remote_channel) != 0) || |
AzureIoTClient | 28:add19eb7defa | 224 | (begin_set_remote_channel(begin, remote_channel) != 0))) |
AzureIoTClient | 28:add19eb7defa | 225 | { |
AzureIoTClient | 28:add19eb7defa | 226 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 227 | } |
AzureIoTClient | 28:add19eb7defa | 228 | else |
AzureIoTClient | 28:add19eb7defa | 229 | { |
AzureIoTClient | 28:add19eb7defa | 230 | AMQP_VALUE begin_performative_value = amqpvalue_create_begin(begin); |
AzureIoTClient | 28:add19eb7defa | 231 | if (begin_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 232 | { |
AzureIoTClient | 28:add19eb7defa | 233 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 234 | } |
AzureIoTClient | 28:add19eb7defa | 235 | else |
AzureIoTClient | 28:add19eb7defa | 236 | { |
AzureIoTClient | 28:add19eb7defa | 237 | if (connection_encode_frame(session_instance->endpoint, begin_performative_value, NULL, 0, NULL, NULL) != 0) |
AzureIoTClient | 28:add19eb7defa | 238 | { |
AzureIoTClient | 28:add19eb7defa | 239 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 240 | } |
AzureIoTClient | 28:add19eb7defa | 241 | else |
AzureIoTClient | 28:add19eb7defa | 242 | { |
AzureIoTClient | 28:add19eb7defa | 243 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 244 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 245 | |
AzureIoTClient | 28:add19eb7defa | 246 | amqpvalue_destroy(begin_performative_value); |
AzureIoTClient | 28:add19eb7defa | 247 | } |
AzureIoTClient | 28:add19eb7defa | 248 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 249 | |
AzureIoTClient | 28:add19eb7defa | 250 | begin_destroy(begin); |
AzureIoTClient | 28:add19eb7defa | 251 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 252 | |
AzureIoTClient | 28:add19eb7defa | 253 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 254 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 255 | |
Azure.IoT Build | 0:6ae2f7bca550 | 256 | static int send_flow(SESSION_INSTANCE* session) |
Azure.IoT Build | 0:6ae2f7bca550 | 257 | { |
AzureIoTClient | 28:add19eb7defa | 258 | int result; |
AzureIoTClient | 28:add19eb7defa | 259 | if (session == NULL) |
AzureIoTClient | 28:add19eb7defa | 260 | { |
AzureIoTClient | 28:add19eb7defa | 261 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 262 | } |
AzureIoTClient | 28:add19eb7defa | 263 | else |
AzureIoTClient | 28:add19eb7defa | 264 | { |
AzureIoTClient | 28:add19eb7defa | 265 | FLOW_HANDLE flow = flow_create(session->incoming_window, session->next_outgoing_id, session->outgoing_window); |
Azure.IoT Build | 0:6ae2f7bca550 | 266 | |
AzureIoTClient | 28:add19eb7defa | 267 | if (flow == NULL) |
AzureIoTClient | 28:add19eb7defa | 268 | { |
AzureIoTClient | 28:add19eb7defa | 269 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 270 | } |
AzureIoTClient | 28:add19eb7defa | 271 | else |
AzureIoTClient | 28:add19eb7defa | 272 | { |
AzureIoTClient | 28:add19eb7defa | 273 | if (flow_set_next_incoming_id(flow, session->next_incoming_id) != 0) |
AzureIoTClient | 28:add19eb7defa | 274 | { |
AzureIoTClient | 28:add19eb7defa | 275 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 276 | } |
AzureIoTClient | 28:add19eb7defa | 277 | else |
AzureIoTClient | 28:add19eb7defa | 278 | { |
AzureIoTClient | 28:add19eb7defa | 279 | AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow); |
AzureIoTClient | 28:add19eb7defa | 280 | if (flow_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 281 | { |
AzureIoTClient | 28:add19eb7defa | 282 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 283 | } |
AzureIoTClient | 28:add19eb7defa | 284 | else |
AzureIoTClient | 28:add19eb7defa | 285 | { |
AzureIoTClient | 28:add19eb7defa | 286 | if (connection_encode_frame(session->endpoint, flow_performative_value, NULL, 0, NULL, NULL) != 0) |
AzureIoTClient | 28:add19eb7defa | 287 | { |
AzureIoTClient | 28:add19eb7defa | 288 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 289 | } |
AzureIoTClient | 28:add19eb7defa | 290 | else |
AzureIoTClient | 28:add19eb7defa | 291 | { |
AzureIoTClient | 28:add19eb7defa | 292 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 293 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 294 | |
AzureIoTClient | 28:add19eb7defa | 295 | amqpvalue_destroy(flow_performative_value); |
AzureIoTClient | 28:add19eb7defa | 296 | } |
AzureIoTClient | 28:add19eb7defa | 297 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 298 | |
AzureIoTClient | 28:add19eb7defa | 299 | flow_destroy(flow); |
AzureIoTClient | 28:add19eb7defa | 300 | } |
AzureIoTClient | 28:add19eb7defa | 301 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 302 | |
AzureIoTClient | 28:add19eb7defa | 303 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 304 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 305 | |
Azure.IoT Build | 0:6ae2f7bca550 | 306 | static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_name(SESSION_INSTANCE* session, const char* name) |
Azure.IoT Build | 0:6ae2f7bca550 | 307 | { |
AzureIoTClient | 28:add19eb7defa | 308 | uint32_t i; |
AzureIoTClient | 28:add19eb7defa | 309 | LINK_ENDPOINT_INSTANCE* result; |
Azure.IoT Build | 0:6ae2f7bca550 | 310 | |
AzureIoTClient | 28:add19eb7defa | 311 | for (i = 0; i < session->link_endpoint_count; i++) |
AzureIoTClient | 28:add19eb7defa | 312 | { |
AzureIoTClient | 28:add19eb7defa | 313 | if (strcmp(session->link_endpoints[i]->name, name) == 0) |
AzureIoTClient | 28:add19eb7defa | 314 | { |
AzureIoTClient | 28:add19eb7defa | 315 | break; |
AzureIoTClient | 28:add19eb7defa | 316 | } |
AzureIoTClient | 28:add19eb7defa | 317 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 318 | |
AzureIoTClient | 28:add19eb7defa | 319 | if (i == session->link_endpoint_count) |
AzureIoTClient | 28:add19eb7defa | 320 | { |
AzureIoTClient | 28:add19eb7defa | 321 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 322 | } |
AzureIoTClient | 28:add19eb7defa | 323 | else |
AzureIoTClient | 28:add19eb7defa | 324 | { |
AzureIoTClient | 28:add19eb7defa | 325 | result = session->link_endpoints[i]; |
AzureIoTClient | 28:add19eb7defa | 326 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 327 | |
AzureIoTClient | 28:add19eb7defa | 328 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 329 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 330 | |
Azure.IoT Build | 0:6ae2f7bca550 | 331 | static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_input_handle(SESSION_INSTANCE* session, handle input_handle) |
Azure.IoT Build | 0:6ae2f7bca550 | 332 | { |
AzureIoTClient | 28:add19eb7defa | 333 | uint32_t i; |
AzureIoTClient | 28:add19eb7defa | 334 | LINK_ENDPOINT_INSTANCE* result; |
Azure.IoT Build | 0:6ae2f7bca550 | 335 | |
AzureIoTClient | 28:add19eb7defa | 336 | for (i = 0; i < session->link_endpoint_count; i++) |
AzureIoTClient | 28:add19eb7defa | 337 | { |
AzureIoTClient | 28:add19eb7defa | 338 | if (session->link_endpoints[i]->input_handle == input_handle) |
AzureIoTClient | 28:add19eb7defa | 339 | { |
AzureIoTClient | 28:add19eb7defa | 340 | break; |
AzureIoTClient | 28:add19eb7defa | 341 | } |
AzureIoTClient | 28:add19eb7defa | 342 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 343 | |
AzureIoTClient | 28:add19eb7defa | 344 | if (i == session->link_endpoint_count) |
AzureIoTClient | 28:add19eb7defa | 345 | { |
AzureIoTClient | 28:add19eb7defa | 346 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 347 | } |
AzureIoTClient | 28:add19eb7defa | 348 | else |
AzureIoTClient | 28:add19eb7defa | 349 | { |
AzureIoTClient | 28:add19eb7defa | 350 | result = session->link_endpoints[i]; |
AzureIoTClient | 28:add19eb7defa | 351 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 352 | |
AzureIoTClient | 28:add19eb7defa | 353 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 354 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 355 | |
Azure.IoT Build | 0:6ae2f7bca550 | 356 | static void on_connection_state_changed(void* context, CONNECTION_STATE new_connection_state, CONNECTION_STATE previous_connection_state) |
Azure.IoT Build | 0:6ae2f7bca550 | 357 | { |
AzureIoTClient | 28:add19eb7defa | 358 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context; |
Azure.IoT Build | 0:6ae2f7bca550 | 359 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 360 | /* Codes_S_R_S_SESSION_01_060: [If the previous connection state is not OPENED and the new connection state is OPENED, the BEGIN frame shall be sent out and the state shall be switched to BEGIN_SENT.] */ |
AzureIoTClient | 28:add19eb7defa | 361 | if ((new_connection_state == CONNECTION_STATE_OPENED) && (previous_connection_state != CONNECTION_STATE_OPENED) && (session_instance->session_state == SESSION_STATE_UNMAPPED)) |
AzureIoTClient | 28:add19eb7defa | 362 | { |
AzureIoTClient | 28:add19eb7defa | 363 | if (send_begin(session_instance) == 0) |
AzureIoTClient | 28:add19eb7defa | 364 | { |
AzureIoTClient | 28:add19eb7defa | 365 | session_set_state(session_instance, SESSION_STATE_BEGIN_SENT); |
AzureIoTClient | 28:add19eb7defa | 366 | } |
AzureIoTClient | 28:add19eb7defa | 367 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 368 | /* Codes_S_R_S_SESSION_01_061: [If the previous connection state is OPENED and the new connection state is not OPENED anymore, the state shall be switched to DISCARDING.] */ |
AzureIoTClient | 28:add19eb7defa | 369 | else if ((new_connection_state == CONNECTION_STATE_CLOSE_RCVD) || (new_connection_state == CONNECTION_STATE_END)) |
AzureIoTClient | 28:add19eb7defa | 370 | { |
AzureIoTClient | 28:add19eb7defa | 371 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 28:add19eb7defa | 372 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 373 | /* Codes_S_R_S_SESSION_09_001: [If the new connection state is ERROR, the state shall be switched to ERROR.] */ |
AzureIoTClient | 28:add19eb7defa | 374 | else if (new_connection_state == CONNECTION_STATE_ERROR) |
AzureIoTClient | 28:add19eb7defa | 375 | { |
AzureIoTClient | 28:add19eb7defa | 376 | session_set_state(session_instance, SESSION_STATE_ERROR); |
AzureIoTClient | 28:add19eb7defa | 377 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 378 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 379 | |
Azure.IoT Build | 0:6ae2f7bca550 | 380 | static void on_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes) |
Azure.IoT Build | 0:6ae2f7bca550 | 381 | { |
AzureIoTClient | 28:add19eb7defa | 382 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context; |
AzureIoTClient | 28:add19eb7defa | 383 | AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative); |
Azure.IoT Build | 0:6ae2f7bca550 | 384 | |
AzureIoTClient | 28:add19eb7defa | 385 | if (is_begin_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 386 | { |
AzureIoTClient | 28:add19eb7defa | 387 | BEGIN_HANDLE begin_handle; |
Azure.IoT Build | 0:6ae2f7bca550 | 388 | |
AzureIoTClient | 28:add19eb7defa | 389 | if (amqpvalue_get_begin(performative, &begin_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 390 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 391 | connection_close(session_instance->connection, "amqp:decode-error", "Cannot decode BEGIN frame", NULL); |
AzureIoTClient | 28:add19eb7defa | 392 | } |
AzureIoTClient | 28:add19eb7defa | 393 | else |
AzureIoTClient | 28:add19eb7defa | 394 | { |
AzureIoTClient | 28:add19eb7defa | 395 | if ((begin_get_incoming_window(begin_handle, &session_instance->remote_incoming_window) != 0) || |
AzureIoTClient | 28:add19eb7defa | 396 | (begin_get_next_outgoing_id(begin_handle, &session_instance->next_incoming_id) != 0)) |
AzureIoTClient | 28:add19eb7defa | 397 | { |
AzureIoTClient | 28:add19eb7defa | 398 | /* error */ |
AzureIoTClient | 28:add19eb7defa | 399 | begin_destroy(begin_handle); |
AzureIoTClient | 28:add19eb7defa | 400 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 43:4c1e4e94cdd3 | 401 | connection_close(session_instance->connection, "amqp:decode-error", "Cannot get incoming windows and next outgoing id", NULL); |
AzureIoTClient | 28:add19eb7defa | 402 | } |
AzureIoTClient | 28:add19eb7defa | 403 | else |
AzureIoTClient | 28:add19eb7defa | 404 | { |
AzureIoTClient | 28:add19eb7defa | 405 | begin_destroy(begin_handle); |
Azure.IoT Build | 0:6ae2f7bca550 | 406 | |
AzureIoTClient | 28:add19eb7defa | 407 | if (session_instance->session_state == SESSION_STATE_BEGIN_SENT) |
AzureIoTClient | 28:add19eb7defa | 408 | { |
AzureIoTClient | 28:add19eb7defa | 409 | session_set_state(session_instance, SESSION_STATE_MAPPED); |
AzureIoTClient | 28:add19eb7defa | 410 | } |
AzureIoTClient | 28:add19eb7defa | 411 | else if(session_instance->session_state == SESSION_STATE_UNMAPPED) |
AzureIoTClient | 28:add19eb7defa | 412 | { |
AzureIoTClient | 28:add19eb7defa | 413 | session_set_state(session_instance, SESSION_STATE_BEGIN_RCVD); |
AzureIoTClient | 28:add19eb7defa | 414 | if (send_begin(session_instance) != 0) |
AzureIoTClient | 28:add19eb7defa | 415 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 416 | connection_close(session_instance->connection, "amqp:internal-error", "Failed sending BEGIN frame", NULL); |
AzureIoTClient | 28:add19eb7defa | 417 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 28:add19eb7defa | 418 | } |
AzureIoTClient | 28:add19eb7defa | 419 | else |
AzureIoTClient | 28:add19eb7defa | 420 | { |
AzureIoTClient | 28:add19eb7defa | 421 | session_set_state(session_instance, SESSION_STATE_MAPPED); |
AzureIoTClient | 28:add19eb7defa | 422 | } |
AzureIoTClient | 28:add19eb7defa | 423 | } |
AzureIoTClient | 28:add19eb7defa | 424 | } |
AzureIoTClient | 28:add19eb7defa | 425 | } |
AzureIoTClient | 28:add19eb7defa | 426 | } |
AzureIoTClient | 28:add19eb7defa | 427 | else if (is_attach_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 428 | { |
AzureIoTClient | 28:add19eb7defa | 429 | const char* name = NULL; |
AzureIoTClient | 28:add19eb7defa | 430 | ATTACH_HANDLE attach_handle; |
Azure.IoT Build | 0:6ae2f7bca550 | 431 | |
AzureIoTClient | 28:add19eb7defa | 432 | if (amqpvalue_get_attach(performative, &attach_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 433 | { |
AzureIoTClient | 28:add19eb7defa | 434 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode ATTACH frame"); |
AzureIoTClient | 28:add19eb7defa | 435 | } |
AzureIoTClient | 28:add19eb7defa | 436 | else |
AzureIoTClient | 28:add19eb7defa | 437 | { |
AzureIoTClient | 28:add19eb7defa | 438 | role role; |
AzureIoTClient | 28:add19eb7defa | 439 | AMQP_VALUE source; |
AzureIoTClient | 28:add19eb7defa | 440 | AMQP_VALUE target; |
Azure.IoT Build | 0:6ae2f7bca550 | 441 | |
AzureIoTClient | 29:4a11413cf217 | 442 | if (attach_get_name(attach_handle, &name) != 0) |
AzureIoTClient | 28:add19eb7defa | 443 | { |
AzureIoTClient | 28:add19eb7defa | 444 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link name from ATTACH frame"); |
AzureIoTClient | 28:add19eb7defa | 445 | } |
AzureIoTClient | 29:4a11413cf217 | 446 | else if (attach_get_role(attach_handle, &role) != 0) |
AzureIoTClient | 29:4a11413cf217 | 447 | { |
AzureIoTClient | 29:4a11413cf217 | 448 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link role from ATTACH frame"); |
AzureIoTClient | 29:4a11413cf217 | 449 | } |
AzureIoTClient | 28:add19eb7defa | 450 | else |
AzureIoTClient | 28:add19eb7defa | 451 | { |
AzureIoTClient | 44:9dd558f13109 | 452 | LINK_ENDPOINT_INSTANCE* link_endpoint; |
AzureIoTClient | 44:9dd558f13109 | 453 | |
AzureIoTClient | 44:9dd558f13109 | 454 | if (attach_get_source(attach_handle, &source) != 0) |
AzureIoTClient | 44:9dd558f13109 | 455 | { |
AzureIoTClient | 44:9dd558f13109 | 456 | source = NULL; |
AzureIoTClient | 44:9dd558f13109 | 457 | } |
AzureIoTClient | 44:9dd558f13109 | 458 | if (attach_get_target(attach_handle, &target) != 0) |
AzureIoTClient | 44:9dd558f13109 | 459 | { |
AzureIoTClient | 44:9dd558f13109 | 460 | target = NULL; |
AzureIoTClient | 44:9dd558f13109 | 461 | } |
AzureIoTClient | 44:9dd558f13109 | 462 | |
AzureIoTClient | 44:9dd558f13109 | 463 | link_endpoint = find_link_endpoint_by_name(session_instance, name); |
AzureIoTClient | 28:add19eb7defa | 464 | if (link_endpoint == NULL) |
AzureIoTClient | 28:add19eb7defa | 465 | { |
AzureIoTClient | 28:add19eb7defa | 466 | /* new link attach */ |
AzureIoTClient | 28:add19eb7defa | 467 | if (session_instance->on_link_attached != NULL) |
AzureIoTClient | 28:add19eb7defa | 468 | { |
AzureIoTClient | 28:add19eb7defa | 469 | LINK_ENDPOINT_HANDLE new_link_endpoint = session_create_link_endpoint(session_instance, name); |
AzureIoTClient | 28:add19eb7defa | 470 | if (new_link_endpoint == NULL) |
AzureIoTClient | 28:add19eb7defa | 471 | { |
AzureIoTClient | 28:add19eb7defa | 472 | end_session_with_error(session_instance, "amqp:internal-error", "Cannot create link endpoint"); |
AzureIoTClient | 28:add19eb7defa | 473 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 474 | else if (attach_get_handle(attach_handle, &new_link_endpoint->input_handle) != 0) |
Azure.IoT Build | 0:6ae2f7bca550 | 475 | { |
Azure.IoT Build | 0:6ae2f7bca550 | 476 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame"); |
Azure.IoT Build | 0:6ae2f7bca550 | 477 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 478 | else |
AzureIoTClient | 28:add19eb7defa | 479 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 480 | new_link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_ATTACHED; |
AzureIoTClient | 43:4c1e4e94cdd3 | 481 | |
AzureIoTClient | 28:add19eb7defa | 482 | if (!session_instance->on_link_attached(session_instance->on_link_attached_callback_context, new_link_endpoint, name, role, source, target)) |
AzureIoTClient | 28:add19eb7defa | 483 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 484 | remove_link_endpoint(new_link_endpoint); |
AzureIoTClient | 43:4c1e4e94cdd3 | 485 | free_link_endpoint(new_link_endpoint); |
AzureIoTClient | 28:add19eb7defa | 486 | new_link_endpoint = NULL; |
AzureIoTClient | 28:add19eb7defa | 487 | } |
AzureIoTClient | 28:add19eb7defa | 488 | else |
AzureIoTClient | 28:add19eb7defa | 489 | { |
AzureIoTClient | 28:add19eb7defa | 490 | if (new_link_endpoint->frame_received_callback != NULL) |
AzureIoTClient | 28:add19eb7defa | 491 | { |
AzureIoTClient | 28:add19eb7defa | 492 | new_link_endpoint->frame_received_callback(new_link_endpoint->callback_context, performative, payload_size, payload_bytes); |
AzureIoTClient | 28:add19eb7defa | 493 | } |
AzureIoTClient | 28:add19eb7defa | 494 | } |
AzureIoTClient | 28:add19eb7defa | 495 | } |
AzureIoTClient | 28:add19eb7defa | 496 | } |
AzureIoTClient | 28:add19eb7defa | 497 | } |
AzureIoTClient | 28:add19eb7defa | 498 | else |
AzureIoTClient | 28:add19eb7defa | 499 | { |
AzureIoTClient | 28:add19eb7defa | 500 | if (attach_get_handle(attach_handle, &link_endpoint->input_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 501 | { |
AzureIoTClient | 28:add19eb7defa | 502 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame"); |
AzureIoTClient | 28:add19eb7defa | 503 | } |
AzureIoTClient | 28:add19eb7defa | 504 | else |
AzureIoTClient | 28:add19eb7defa | 505 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 506 | link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_ATTACHED; |
AzureIoTClient | 43:4c1e4e94cdd3 | 507 | |
AzureIoTClient | 28:add19eb7defa | 508 | link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes); |
AzureIoTClient | 28:add19eb7defa | 509 | } |
AzureIoTClient | 28:add19eb7defa | 510 | } |
AzureIoTClient | 28:add19eb7defa | 511 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 512 | |
AzureIoTClient | 28:add19eb7defa | 513 | attach_destroy(attach_handle); |
AzureIoTClient | 28:add19eb7defa | 514 | } |
AzureIoTClient | 28:add19eb7defa | 515 | } |
AzureIoTClient | 28:add19eb7defa | 516 | else if (is_detach_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 517 | { |
AzureIoTClient | 28:add19eb7defa | 518 | DETACH_HANDLE detach_handle; |
Azure.IoT Build | 0:6ae2f7bca550 | 519 | |
AzureIoTClient | 28:add19eb7defa | 520 | if (amqpvalue_get_detach(performative, &detach_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 521 | { |
AzureIoTClient | 28:add19eb7defa | 522 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode DETACH frame"); |
AzureIoTClient | 28:add19eb7defa | 523 | } |
AzureIoTClient | 28:add19eb7defa | 524 | else |
AzureIoTClient | 28:add19eb7defa | 525 | { |
AzureIoTClient | 28:add19eb7defa | 526 | uint32_t remote_handle; |
AzureIoTClient | 28:add19eb7defa | 527 | if (detach_get_handle(detach_handle, &remote_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 528 | { |
AzureIoTClient | 28:add19eb7defa | 529 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from DETACH frame"); |
Azure.IoT Build | 0:6ae2f7bca550 | 530 | |
AzureIoTClient | 28:add19eb7defa | 531 | detach_destroy(detach_handle); |
AzureIoTClient | 28:add19eb7defa | 532 | } |
AzureIoTClient | 28:add19eb7defa | 533 | else |
AzureIoTClient | 28:add19eb7defa | 534 | { |
AzureIoTClient | 28:add19eb7defa | 535 | LINK_ENDPOINT_INSTANCE* link_endpoint; |
AzureIoTClient | 28:add19eb7defa | 536 | detach_destroy(detach_handle); |
Azure.IoT Build | 0:6ae2f7bca550 | 537 | |
AzureIoTClient | 28:add19eb7defa | 538 | link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle); |
AzureIoTClient | 28:add19eb7defa | 539 | if (link_endpoint == NULL) |
AzureIoTClient | 28:add19eb7defa | 540 | { |
AzureIoTClient | 28:add19eb7defa | 541 | end_session_with_error(session_instance, "amqp:session:unattached-handle", ""); |
AzureIoTClient | 28:add19eb7defa | 542 | } |
AzureIoTClient | 28:add19eb7defa | 543 | else |
AzureIoTClient | 28:add19eb7defa | 544 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 545 | if (link_endpoint->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING) |
AzureIoTClient | 43:4c1e4e94cdd3 | 546 | { |
AzureIoTClient | 44:9dd558f13109 | 547 | link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_DETACHING; |
AzureIoTClient | 43:4c1e4e94cdd3 | 548 | link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes); |
AzureIoTClient | 43:4c1e4e94cdd3 | 549 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 550 | else |
AzureIoTClient | 43:4c1e4e94cdd3 | 551 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 552 | /* remove the link endpoint */ |
AzureIoTClient | 43:4c1e4e94cdd3 | 553 | remove_link_endpoint(link_endpoint); |
AzureIoTClient | 43:4c1e4e94cdd3 | 554 | free_link_endpoint(link_endpoint); |
AzureIoTClient | 43:4c1e4e94cdd3 | 555 | } |
AzureIoTClient | 28:add19eb7defa | 556 | } |
AzureIoTClient | 28:add19eb7defa | 557 | } |
AzureIoTClient | 28:add19eb7defa | 558 | } |
AzureIoTClient | 28:add19eb7defa | 559 | } |
AzureIoTClient | 28:add19eb7defa | 560 | else if (is_flow_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 561 | { |
AzureIoTClient | 28:add19eb7defa | 562 | FLOW_HANDLE flow_handle; |
Azure.IoT Build | 0:6ae2f7bca550 | 563 | |
AzureIoTClient | 28:add19eb7defa | 564 | if (amqpvalue_get_flow(performative, &flow_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 565 | { |
AzureIoTClient | 28:add19eb7defa | 566 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame"); |
AzureIoTClient | 28:add19eb7defa | 567 | } |
AzureIoTClient | 28:add19eb7defa | 568 | else |
AzureIoTClient | 28:add19eb7defa | 569 | { |
AzureIoTClient | 28:add19eb7defa | 570 | uint32_t remote_handle; |
AzureIoTClient | 28:add19eb7defa | 571 | transfer_number flow_next_incoming_id; |
AzureIoTClient | 28:add19eb7defa | 572 | uint32_t flow_incoming_window; |
Azure.IoT Build | 0:6ae2f7bca550 | 573 | |
Azure.IoT Build | 0:6ae2f7bca550 | 574 | if (flow_get_next_incoming_id(flow_handle, &flow_next_incoming_id) != 0) |
Azure.IoT Build | 0:6ae2f7bca550 | 575 | { |
Azure.IoT Build | 0:6ae2f7bca550 | 576 | /* |
AzureIoTClient | 43:4c1e4e94cdd3 | 577 | If the next-incoming-id field of the flow frame is not set, |
AzureIoTClient | 43:4c1e4e94cdd3 | 578 | then remote-incomingwindow is computed as follows: |
Azure.IoT Build | 0:6ae2f7bca550 | 579 | initial-outgoing-id(endpoint) + incoming-window(flow) - next-outgoing-id(endpoint) |
Azure.IoT Build | 0:6ae2f7bca550 | 580 | */ |
Azure.IoT Build | 0:6ae2f7bca550 | 581 | flow_next_incoming_id = session_instance->next_outgoing_id; |
Azure.IoT Build | 0:6ae2f7bca550 | 582 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 583 | |
AzureIoTClient | 28:add19eb7defa | 584 | if ((flow_get_next_outgoing_id(flow_handle, &session_instance->next_incoming_id) != 0) || |
AzureIoTClient | 28:add19eb7defa | 585 | (flow_get_incoming_window(flow_handle, &flow_incoming_window) != 0)) |
AzureIoTClient | 28:add19eb7defa | 586 | { |
AzureIoTClient | 28:add19eb7defa | 587 | flow_destroy(flow_handle); |
Azure.IoT Build | 0:6ae2f7bca550 | 588 | |
AzureIoTClient | 28:add19eb7defa | 589 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame"); |
AzureIoTClient | 28:add19eb7defa | 590 | } |
AzureIoTClient | 28:add19eb7defa | 591 | else |
AzureIoTClient | 28:add19eb7defa | 592 | { |
AzureIoTClient | 28:add19eb7defa | 593 | LINK_ENDPOINT_INSTANCE* link_endpoint_instance = NULL; |
AzureIoTClient | 28:add19eb7defa | 594 | size_t i; |
Azure.IoT Build | 0:6ae2f7bca550 | 595 | |
AzureIoTClient | 28:add19eb7defa | 596 | session_instance->remote_incoming_window = flow_next_incoming_id + flow_incoming_window - session_instance->next_outgoing_id; |
Azure.IoT Build | 0:6ae2f7bca550 | 597 | |
AzureIoTClient | 28:add19eb7defa | 598 | if (flow_get_handle(flow_handle, &remote_handle) == 0) |
AzureIoTClient | 28:add19eb7defa | 599 | { |
AzureIoTClient | 28:add19eb7defa | 600 | link_endpoint_instance = find_link_endpoint_by_input_handle(session_instance, remote_handle); |
AzureIoTClient | 28:add19eb7defa | 601 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 602 | |
AzureIoTClient | 28:add19eb7defa | 603 | flow_destroy(flow_handle); |
Azure.IoT Build | 0:6ae2f7bca550 | 604 | |
AzureIoTClient | 28:add19eb7defa | 605 | if (link_endpoint_instance != NULL) |
AzureIoTClient | 28:add19eb7defa | 606 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 607 | if (link_endpoint_instance->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING) |
AzureIoTClient | 43:4c1e4e94cdd3 | 608 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 609 | link_endpoint_instance->frame_received_callback(link_endpoint_instance->callback_context, performative, payload_size, payload_bytes); |
AzureIoTClient | 43:4c1e4e94cdd3 | 610 | } |
AzureIoTClient | 28:add19eb7defa | 611 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 612 | |
AzureIoTClient | 28:add19eb7defa | 613 | i = 0; |
AzureIoTClient | 28:add19eb7defa | 614 | while ((session_instance->remote_incoming_window > 0) && (i < session_instance->link_endpoint_count)) |
AzureIoTClient | 28:add19eb7defa | 615 | { |
AzureIoTClient | 28:add19eb7defa | 616 | /* notify the caller that it can send here */ |
AzureIoTClient | 28:add19eb7defa | 617 | if (session_instance->link_endpoints[i]->on_session_flow_on != NULL) |
AzureIoTClient | 28:add19eb7defa | 618 | { |
AzureIoTClient | 28:add19eb7defa | 619 | session_instance->link_endpoints[i]->on_session_flow_on(session_instance->link_endpoints[i]->callback_context); |
AzureIoTClient | 28:add19eb7defa | 620 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 621 | |
AzureIoTClient | 28:add19eb7defa | 622 | i++; |
AzureIoTClient | 28:add19eb7defa | 623 | } |
AzureIoTClient | 28:add19eb7defa | 624 | } |
AzureIoTClient | 28:add19eb7defa | 625 | } |
AzureIoTClient | 28:add19eb7defa | 626 | } |
AzureIoTClient | 28:add19eb7defa | 627 | else if (is_transfer_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 628 | { |
AzureIoTClient | 28:add19eb7defa | 629 | TRANSFER_HANDLE transfer_handle; |
Azure.IoT Build | 0:6ae2f7bca550 | 630 | |
AzureIoTClient | 28:add19eb7defa | 631 | if (amqpvalue_get_transfer(performative, &transfer_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 632 | { |
AzureIoTClient | 28:add19eb7defa | 633 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode TRANSFER frame"); |
AzureIoTClient | 28:add19eb7defa | 634 | } |
AzureIoTClient | 28:add19eb7defa | 635 | else |
AzureIoTClient | 28:add19eb7defa | 636 | { |
AzureIoTClient | 28:add19eb7defa | 637 | uint32_t remote_handle; |
AzureIoTClient | 28:add19eb7defa | 638 | delivery_number delivery_id; |
Azure.IoT Build | 0:6ae2f7bca550 | 639 | |
AzureIoTClient | 28:add19eb7defa | 640 | transfer_get_delivery_id(transfer_handle, &delivery_id); |
AzureIoTClient | 28:add19eb7defa | 641 | if (transfer_get_handle(transfer_handle, &remote_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 642 | { |
AzureIoTClient | 28:add19eb7defa | 643 | transfer_destroy(transfer_handle); |
AzureIoTClient | 28:add19eb7defa | 644 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from TRANSFER frame"); |
AzureIoTClient | 28:add19eb7defa | 645 | } |
AzureIoTClient | 28:add19eb7defa | 646 | else |
AzureIoTClient | 28:add19eb7defa | 647 | { |
AzureIoTClient | 28:add19eb7defa | 648 | LINK_ENDPOINT_INSTANCE* link_endpoint; |
AzureIoTClient | 28:add19eb7defa | 649 | transfer_destroy(transfer_handle); |
Azure.IoT Build | 0:6ae2f7bca550 | 650 | |
AzureIoTClient | 28:add19eb7defa | 651 | session_instance->next_incoming_id++; |
AzureIoTClient | 28:add19eb7defa | 652 | session_instance->remote_outgoing_window--; |
AzureIoTClient | 28:add19eb7defa | 653 | session_instance->incoming_window--; |
Azure.IoT Build | 0:6ae2f7bca550 | 654 | |
AzureIoTClient | 28:add19eb7defa | 655 | link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle); |
AzureIoTClient | 28:add19eb7defa | 656 | if (link_endpoint == NULL) |
AzureIoTClient | 28:add19eb7defa | 657 | { |
AzureIoTClient | 28:add19eb7defa | 658 | end_session_with_error(session_instance, "amqp:session:unattached-handle", ""); |
AzureIoTClient | 28:add19eb7defa | 659 | } |
AzureIoTClient | 28:add19eb7defa | 660 | else |
AzureIoTClient | 28:add19eb7defa | 661 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 662 | if (link_endpoint->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING) |
AzureIoTClient | 43:4c1e4e94cdd3 | 663 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 664 | link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes); |
AzureIoTClient | 43:4c1e4e94cdd3 | 665 | } |
AzureIoTClient | 28:add19eb7defa | 666 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 667 | |
AzureIoTClient | 28:add19eb7defa | 668 | if (session_instance->incoming_window == 0) |
AzureIoTClient | 28:add19eb7defa | 669 | { |
Azure.IoT Build | 0:6ae2f7bca550 | 670 | session_instance->incoming_window = session_instance->desired_incoming_window; |
AzureIoTClient | 28:add19eb7defa | 671 | send_flow(session_instance); |
AzureIoTClient | 28:add19eb7defa | 672 | } |
AzureIoTClient | 28:add19eb7defa | 673 | } |
AzureIoTClient | 28:add19eb7defa | 674 | } |
AzureIoTClient | 28:add19eb7defa | 675 | } |
AzureIoTClient | 28:add19eb7defa | 676 | else if (is_disposition_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 677 | { |
AzureIoTClient | 28:add19eb7defa | 678 | uint32_t i; |
Azure.IoT Build | 0:6ae2f7bca550 | 679 | |
AzureIoTClient | 28:add19eb7defa | 680 | for (i = 0; i < session_instance->link_endpoint_count; i++) |
AzureIoTClient | 28:add19eb7defa | 681 | { |
AzureIoTClient | 28:add19eb7defa | 682 | LINK_ENDPOINT_INSTANCE* link_endpoint = session_instance->link_endpoints[i]; |
AzureIoTClient | 43:4c1e4e94cdd3 | 683 | if (link_endpoint->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING) |
AzureIoTClient | 43:4c1e4e94cdd3 | 684 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 685 | link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes); |
AzureIoTClient | 43:4c1e4e94cdd3 | 686 | } |
AzureIoTClient | 28:add19eb7defa | 687 | } |
AzureIoTClient | 28:add19eb7defa | 688 | } |
AzureIoTClient | 28:add19eb7defa | 689 | else if (is_end_type_by_descriptor(descriptor)) |
AzureIoTClient | 28:add19eb7defa | 690 | { |
AzureIoTClient | 28:add19eb7defa | 691 | END_HANDLE end_handle; |
Azure.IoT Build | 0:6ae2f7bca550 | 692 | |
AzureIoTClient | 28:add19eb7defa | 693 | if (amqpvalue_get_end(performative, &end_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 694 | { |
AzureIoTClient | 28:add19eb7defa | 695 | end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode END frame"); |
AzureIoTClient | 28:add19eb7defa | 696 | } |
AzureIoTClient | 28:add19eb7defa | 697 | else |
AzureIoTClient | 28:add19eb7defa | 698 | { |
AzureIoTClient | 25:1101516ee67d | 699 | end_destroy(end_handle); |
AzureIoTClient | 28:add19eb7defa | 700 | if ((session_instance->session_state != SESSION_STATE_END_RCVD) && |
AzureIoTClient | 28:add19eb7defa | 701 | (session_instance->session_state != SESSION_STATE_DISCARDING)) |
AzureIoTClient | 28:add19eb7defa | 702 | { |
AzureIoTClient | 28:add19eb7defa | 703 | session_set_state(session_instance, SESSION_STATE_END_RCVD); |
AzureIoTClient | 28:add19eb7defa | 704 | if (send_end_frame(session_instance, NULL) != 0) |
AzureIoTClient | 28:add19eb7defa | 705 | { |
AzureIoTClient | 28:add19eb7defa | 706 | /* fatal error */ |
AzureIoTClient | 43:4c1e4e94cdd3 | 707 | (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot send END frame.", NULL); |
AzureIoTClient | 28:add19eb7defa | 708 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 709 | |
AzureIoTClient | 28:add19eb7defa | 710 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 28:add19eb7defa | 711 | } |
AzureIoTClient | 28:add19eb7defa | 712 | } |
AzureIoTClient | 28:add19eb7defa | 713 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 714 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 715 | |
Azure.IoT Build | 0:6ae2f7bca550 | 716 | SESSION_HANDLE session_create(CONNECTION_HANDLE connection, ON_LINK_ATTACHED on_link_attached, void* callback_context) |
Azure.IoT Build | 0:6ae2f7bca550 | 717 | { |
AzureIoTClient | 28:add19eb7defa | 718 | SESSION_INSTANCE* result; |
Azure.IoT Build | 0:6ae2f7bca550 | 719 | |
AzureIoTClient | 28:add19eb7defa | 720 | if (connection == NULL) |
AzureIoTClient | 28:add19eb7defa | 721 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 722 | /* Codes_S_R_S_SESSION_01_031: [If connection is NULL, session_create shall fail and return NULL.] */ |
AzureIoTClient | 28:add19eb7defa | 723 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 724 | } |
AzureIoTClient | 28:add19eb7defa | 725 | else |
AzureIoTClient | 28:add19eb7defa | 726 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 727 | /* Codes_S_R_S_SESSION_01_030: [session_create shall create a new session instance and return a non-NULL handle to it.] */ |
AzureIoTClient | 28:add19eb7defa | 728 | result = (SESSION_INSTANCE*)malloc(sizeof(SESSION_INSTANCE)); |
AzureIoTClient | 43:4c1e4e94cdd3 | 729 | /* Codes_S_R_S_SESSION_01_042: [If allocating memory for the session fails, session_create shall fail and return NULL.] */ |
AzureIoTClient | 28:add19eb7defa | 730 | if (result != NULL) |
AzureIoTClient | 28:add19eb7defa | 731 | { |
AzureIoTClient | 28:add19eb7defa | 732 | result->connection = connection; |
AzureIoTClient | 28:add19eb7defa | 733 | result->link_endpoints = NULL; |
AzureIoTClient | 28:add19eb7defa | 734 | result->link_endpoint_count = 0; |
AzureIoTClient | 28:add19eb7defa | 735 | result->handle_max = 4294967295u; |
Azure.IoT Build | 0:6ae2f7bca550 | 736 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 737 | /* Codes_S_R_S_SESSION_01_057: [The delivery ids shall be assigned starting at 0.] */ |
AzureIoTClient | 43:4c1e4e94cdd3 | 738 | /* Codes_S_R_S_SESSION_01_017: [The nextoutgoing-id MAY be initialized to an arbitrary value ] */ |
AzureIoTClient | 28:add19eb7defa | 739 | result->next_outgoing_id = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 740 | |
Azure.IoT Build | 0:6ae2f7bca550 | 741 | result->desired_incoming_window = 1; |
Azure.IoT Build | 0:6ae2f7bca550 | 742 | result->incoming_window = 1; |
AzureIoTClient | 28:add19eb7defa | 743 | result->outgoing_window = 1; |
AzureIoTClient | 28:add19eb7defa | 744 | result->handle_max = 4294967295u; |
AzureIoTClient | 28:add19eb7defa | 745 | result->remote_incoming_window = 0; |
AzureIoTClient | 28:add19eb7defa | 746 | result->remote_outgoing_window = 0; |
AzureIoTClient | 28:add19eb7defa | 747 | result->previous_session_state = SESSION_STATE_UNMAPPED; |
AzureIoTClient | 28:add19eb7defa | 748 | result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN; |
AzureIoTClient | 28:add19eb7defa | 749 | result->session_state = SESSION_STATE_UNMAPPED; |
AzureIoTClient | 28:add19eb7defa | 750 | result->on_link_attached = on_link_attached; |
AzureIoTClient | 28:add19eb7defa | 751 | result->on_link_attached_callback_context = callback_context; |
Azure.IoT Build | 0:6ae2f7bca550 | 752 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 753 | /* Codes_S_R_S_SESSION_01_032: [session_create shall create a new session endpoint by calling connection_create_endpoint.] */ |
AzureIoTClient | 28:add19eb7defa | 754 | result->endpoint = connection_create_endpoint(connection); |
AzureIoTClient | 28:add19eb7defa | 755 | if (result->endpoint == NULL) |
AzureIoTClient | 28:add19eb7defa | 756 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 757 | /* Codes_S_R_S_SESSION_01_033: [If connection_create_endpoint fails, session_create shall fail and return NULL.] */ |
AzureIoTClient | 28:add19eb7defa | 758 | free(result); |
AzureIoTClient | 28:add19eb7defa | 759 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 760 | } |
AzureIoTClient | 28:add19eb7defa | 761 | else |
AzureIoTClient | 28:add19eb7defa | 762 | { |
AzureIoTClient | 28:add19eb7defa | 763 | session_set_state(result, SESSION_STATE_UNMAPPED); |
AzureIoTClient | 28:add19eb7defa | 764 | } |
AzureIoTClient | 28:add19eb7defa | 765 | } |
AzureIoTClient | 28:add19eb7defa | 766 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 767 | |
AzureIoTClient | 28:add19eb7defa | 768 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 769 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 770 | |
Azure.IoT Build | 0:6ae2f7bca550 | 771 | SESSION_HANDLE session_create_from_endpoint(CONNECTION_HANDLE connection, ENDPOINT_HANDLE endpoint, ON_LINK_ATTACHED on_link_attached, void* callback_context) |
Azure.IoT Build | 0:6ae2f7bca550 | 772 | { |
AzureIoTClient | 28:add19eb7defa | 773 | SESSION_INSTANCE* result; |
Azure.IoT Build | 0:6ae2f7bca550 | 774 | |
AzureIoTClient | 28:add19eb7defa | 775 | if (endpoint == NULL) |
AzureIoTClient | 28:add19eb7defa | 776 | { |
AzureIoTClient | 28:add19eb7defa | 777 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 778 | } |
AzureIoTClient | 28:add19eb7defa | 779 | else |
AzureIoTClient | 28:add19eb7defa | 780 | { |
AzureIoTClient | 28:add19eb7defa | 781 | result = (SESSION_INSTANCE*)malloc(sizeof(SESSION_INSTANCE)); |
AzureIoTClient | 28:add19eb7defa | 782 | if (result != NULL) |
AzureIoTClient | 28:add19eb7defa | 783 | { |
AzureIoTClient | 28:add19eb7defa | 784 | result->connection = connection; |
AzureIoTClient | 28:add19eb7defa | 785 | result->link_endpoints = NULL; |
AzureIoTClient | 28:add19eb7defa | 786 | result->link_endpoint_count = 0; |
AzureIoTClient | 28:add19eb7defa | 787 | result->handle_max = 4294967295u; |
Azure.IoT Build | 0:6ae2f7bca550 | 788 | |
AzureIoTClient | 28:add19eb7defa | 789 | result->next_outgoing_id = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 790 | |
AzureIoTClient | 22:524bded3f7a8 | 791 | result->desired_incoming_window = 1; |
AzureIoTClient | 22:524bded3f7a8 | 792 | result->incoming_window = 1; |
AzureIoTClient | 28:add19eb7defa | 793 | result->outgoing_window = 1; |
AzureIoTClient | 28:add19eb7defa | 794 | result->handle_max = 4294967295u; |
AzureIoTClient | 28:add19eb7defa | 795 | result->remote_incoming_window = 0; |
AzureIoTClient | 28:add19eb7defa | 796 | result->remote_outgoing_window = 0; |
AzureIoTClient | 28:add19eb7defa | 797 | result->previous_session_state = SESSION_STATE_UNMAPPED; |
AzureIoTClient | 28:add19eb7defa | 798 | result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN; |
AzureIoTClient | 28:add19eb7defa | 799 | result->session_state = SESSION_STATE_UNMAPPED; |
AzureIoTClient | 28:add19eb7defa | 800 | result->on_link_attached = on_link_attached; |
AzureIoTClient | 28:add19eb7defa | 801 | result->on_link_attached_callback_context = callback_context; |
Azure.IoT Build | 0:6ae2f7bca550 | 802 | |
AzureIoTClient | 28:add19eb7defa | 803 | result->endpoint = endpoint; |
AzureIoTClient | 28:add19eb7defa | 804 | session_set_state(result, SESSION_STATE_UNMAPPED); |
AzureIoTClient | 28:add19eb7defa | 805 | } |
AzureIoTClient | 28:add19eb7defa | 806 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 807 | |
AzureIoTClient | 28:add19eb7defa | 808 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 809 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 810 | |
Azure.IoT Build | 0:6ae2f7bca550 | 811 | void session_destroy(SESSION_HANDLE session) |
Azure.IoT Build | 0:6ae2f7bca550 | 812 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 813 | /* Codes_S_R_S_SESSION_01_036: [If session is NULL, session_destroy shall do nothing.] */ |
AzureIoTClient | 28:add19eb7defa | 814 | if (session != NULL) |
AzureIoTClient | 28:add19eb7defa | 815 | { |
AzureIoTClient | 28:add19eb7defa | 816 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 817 | |
AzureIoTClient | 28:add19eb7defa | 818 | session_end(session, NULL, NULL); |
Azure.IoT Build | 0:6ae2f7bca550 | 819 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 820 | /* Codes_S_R_S_SESSION_01_034: [session_destroy shall free all resources allocated by session_create.] */ |
AzureIoTClient | 43:4c1e4e94cdd3 | 821 | /* Codes_S_R_S_SESSION_01_035: [The endpoint created in session_create shall be freed by calling connection_destroy_endpoint.] */ |
AzureIoTClient | 28:add19eb7defa | 822 | connection_destroy_endpoint(session_instance->endpoint); |
AzureIoTClient | 28:add19eb7defa | 823 | if (session_instance->link_endpoints != NULL) |
AzureIoTClient | 28:add19eb7defa | 824 | { |
AzureIoTClient | 28:add19eb7defa | 825 | free(session_instance->link_endpoints); |
AzureIoTClient | 28:add19eb7defa | 826 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 827 | |
AzureIoTClient | 28:add19eb7defa | 828 | free(session); |
AzureIoTClient | 28:add19eb7defa | 829 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 830 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 831 | |
Azure.IoT Build | 0:6ae2f7bca550 | 832 | int session_begin(SESSION_HANDLE session) |
Azure.IoT Build | 0:6ae2f7bca550 | 833 | { |
AzureIoTClient | 28:add19eb7defa | 834 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 835 | |
AzureIoTClient | 28:add19eb7defa | 836 | if (session == NULL) |
AzureIoTClient | 28:add19eb7defa | 837 | { |
AzureIoTClient | 28:add19eb7defa | 838 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 839 | } |
AzureIoTClient | 28:add19eb7defa | 840 | else |
AzureIoTClient | 28:add19eb7defa | 841 | { |
AzureIoTClient | 28:add19eb7defa | 842 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 843 | |
AzureIoTClient | 28:add19eb7defa | 844 | if (connection_start_endpoint(session_instance->endpoint, on_frame_received, on_connection_state_changed, session_instance) != 0) |
AzureIoTClient | 28:add19eb7defa | 845 | { |
AzureIoTClient | 28:add19eb7defa | 846 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 847 | } |
AzureIoTClient | 28:add19eb7defa | 848 | else |
AzureIoTClient | 28:add19eb7defa | 849 | { |
AzureIoTClient | 28:add19eb7defa | 850 | if (!session_instance->is_underlying_connection_open) |
AzureIoTClient | 28:add19eb7defa | 851 | { |
AzureIoTClient | 28:add19eb7defa | 852 | if (connection_open(session_instance->connection) != 0) |
AzureIoTClient | 28:add19eb7defa | 853 | { |
AzureIoTClient | 28:add19eb7defa | 854 | session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN; |
AzureIoTClient | 28:add19eb7defa | 855 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 856 | } |
AzureIoTClient | 28:add19eb7defa | 857 | else |
AzureIoTClient | 28:add19eb7defa | 858 | { |
AzureIoTClient | 28:add19eb7defa | 859 | session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_OPEN; |
AzureIoTClient | 28:add19eb7defa | 860 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 861 | } |
AzureIoTClient | 28:add19eb7defa | 862 | } |
AzureIoTClient | 28:add19eb7defa | 863 | else |
AzureIoTClient | 28:add19eb7defa | 864 | { |
AzureIoTClient | 28:add19eb7defa | 865 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 866 | } |
AzureIoTClient | 28:add19eb7defa | 867 | } |
AzureIoTClient | 28:add19eb7defa | 868 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 869 | |
AzureIoTClient | 28:add19eb7defa | 870 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 871 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 872 | |
Azure.IoT Build | 0:6ae2f7bca550 | 873 | int session_end(SESSION_HANDLE session, const char* condition_value, const char* description) |
Azure.IoT Build | 0:6ae2f7bca550 | 874 | { |
AzureIoTClient | 28:add19eb7defa | 875 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 876 | |
AzureIoTClient | 28:add19eb7defa | 877 | if (session == NULL) |
AzureIoTClient | 28:add19eb7defa | 878 | { |
AzureIoTClient | 28:add19eb7defa | 879 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 880 | } |
AzureIoTClient | 28:add19eb7defa | 881 | else |
AzureIoTClient | 28:add19eb7defa | 882 | { |
AzureIoTClient | 28:add19eb7defa | 883 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
AzureIoTClient | 43:4c1e4e94cdd3 | 884 | size_t i; |
Azure.IoT Build | 0:6ae2f7bca550 | 885 | |
AzureIoTClient | 28:add19eb7defa | 886 | if ((session_instance->session_state != SESSION_STATE_UNMAPPED) && |
AzureIoTClient | 28:add19eb7defa | 887 | (session_instance->session_state != SESSION_STATE_DISCARDING)) |
AzureIoTClient | 28:add19eb7defa | 888 | { |
AzureIoTClient | 28:add19eb7defa | 889 | ERROR_HANDLE error_handle = NULL; |
AzureIoTClient | 28:add19eb7defa | 890 | result = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 891 | |
AzureIoTClient | 28:add19eb7defa | 892 | if (condition_value != NULL) |
AzureIoTClient | 28:add19eb7defa | 893 | { |
AzureIoTClient | 28:add19eb7defa | 894 | error_handle = error_create(condition_value); |
AzureIoTClient | 28:add19eb7defa | 895 | if (error_handle == NULL) |
AzureIoTClient | 28:add19eb7defa | 896 | { |
AzureIoTClient | 28:add19eb7defa | 897 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 898 | } |
AzureIoTClient | 28:add19eb7defa | 899 | else |
AzureIoTClient | 28:add19eb7defa | 900 | { |
AzureIoTClient | 28:add19eb7defa | 901 | if (error_set_description(error_handle, description) != 0) |
AzureIoTClient | 28:add19eb7defa | 902 | { |
AzureIoTClient | 28:add19eb7defa | 903 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 904 | } |
AzureIoTClient | 28:add19eb7defa | 905 | } |
AzureIoTClient | 28:add19eb7defa | 906 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 907 | |
AzureIoTClient | 28:add19eb7defa | 908 | if (result == 0) |
AzureIoTClient | 28:add19eb7defa | 909 | { |
AzureIoTClient | 28:add19eb7defa | 910 | if (send_end_frame(session_instance, error_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 911 | { |
AzureIoTClient | 28:add19eb7defa | 912 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 913 | } |
AzureIoTClient | 28:add19eb7defa | 914 | else |
AzureIoTClient | 28:add19eb7defa | 915 | { |
AzureIoTClient | 28:add19eb7defa | 916 | session_set_state(session_instance, SESSION_STATE_DISCARDING); |
AzureIoTClient | 28:add19eb7defa | 917 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 918 | } |
AzureIoTClient | 28:add19eb7defa | 919 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 920 | |
AzureIoTClient | 28:add19eb7defa | 921 | if (error_handle != NULL) |
AzureIoTClient | 28:add19eb7defa | 922 | { |
AzureIoTClient | 28:add19eb7defa | 923 | error_destroy(error_handle); |
AzureIoTClient | 28:add19eb7defa | 924 | } |
AzureIoTClient | 28:add19eb7defa | 925 | } |
AzureIoTClient | 28:add19eb7defa | 926 | else |
AzureIoTClient | 28:add19eb7defa | 927 | { |
AzureIoTClient | 28:add19eb7defa | 928 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 929 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 930 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 931 | // all link endpoints are destroyed when the session end happens |
AzureIoTClient | 43:4c1e4e94cdd3 | 932 | for (i = 0; i < session_instance->link_endpoint_count; i++) |
AzureIoTClient | 43:4c1e4e94cdd3 | 933 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 934 | free_link_endpoint(session_instance->link_endpoints[i]); |
AzureIoTClient | 43:4c1e4e94cdd3 | 935 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 936 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 937 | session_instance->link_endpoint_count = 0; |
AzureIoTClient | 28:add19eb7defa | 938 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 939 | |
AzureIoTClient | 28:add19eb7defa | 940 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 941 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 942 | |
Azure.IoT Build | 0:6ae2f7bca550 | 943 | int session_set_incoming_window(SESSION_HANDLE session, uint32_t incoming_window) |
Azure.IoT Build | 0:6ae2f7bca550 | 944 | { |
AzureIoTClient | 28:add19eb7defa | 945 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 946 | |
AzureIoTClient | 28:add19eb7defa | 947 | if (session == NULL) |
AzureIoTClient | 28:add19eb7defa | 948 | { |
AzureIoTClient | 28:add19eb7defa | 949 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 950 | } |
AzureIoTClient | 28:add19eb7defa | 951 | else |
AzureIoTClient | 28:add19eb7defa | 952 | { |
AzureIoTClient | 28:add19eb7defa | 953 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 954 | |
AzureIoTClient | 28:add19eb7defa | 955 | session_instance->desired_incoming_window = incoming_window; |
Azure.IoT Build | 0:6ae2f7bca550 | 956 | session_instance->incoming_window = incoming_window; |
Azure.IoT Build | 0:6ae2f7bca550 | 957 | |
AzureIoTClient | 28:add19eb7defa | 958 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 959 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 960 | |
AzureIoTClient | 28:add19eb7defa | 961 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 962 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 963 | |
Azure.IoT Build | 0:6ae2f7bca550 | 964 | int session_get_incoming_window(SESSION_HANDLE session, uint32_t* incoming_window) |
Azure.IoT Build | 0:6ae2f7bca550 | 965 | { |
AzureIoTClient | 28:add19eb7defa | 966 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 967 | |
AzureIoTClient | 28:add19eb7defa | 968 | if ((session == NULL) || |
AzureIoTClient | 28:add19eb7defa | 969 | (incoming_window == NULL)) |
AzureIoTClient | 28:add19eb7defa | 970 | { |
AzureIoTClient | 28:add19eb7defa | 971 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 972 | } |
AzureIoTClient | 28:add19eb7defa | 973 | else |
AzureIoTClient | 28:add19eb7defa | 974 | { |
AzureIoTClient | 28:add19eb7defa | 975 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 976 | |
AzureIoTClient | 28:add19eb7defa | 977 | *incoming_window = session_instance->incoming_window; |
Azure.IoT Build | 0:6ae2f7bca550 | 978 | |
AzureIoTClient | 28:add19eb7defa | 979 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 980 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 981 | |
AzureIoTClient | 28:add19eb7defa | 982 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 983 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 984 | |
Azure.IoT Build | 0:6ae2f7bca550 | 985 | int session_set_outgoing_window(SESSION_HANDLE session, uint32_t outgoing_window) |
Azure.IoT Build | 0:6ae2f7bca550 | 986 | { |
AzureIoTClient | 28:add19eb7defa | 987 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 988 | |
AzureIoTClient | 28:add19eb7defa | 989 | if (session == NULL) |
AzureIoTClient | 28:add19eb7defa | 990 | { |
AzureIoTClient | 28:add19eb7defa | 991 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 992 | } |
AzureIoTClient | 28:add19eb7defa | 993 | else |
AzureIoTClient | 28:add19eb7defa | 994 | { |
AzureIoTClient | 28:add19eb7defa | 995 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 996 | |
AzureIoTClient | 28:add19eb7defa | 997 | session_instance->outgoing_window = outgoing_window; |
Azure.IoT Build | 0:6ae2f7bca550 | 998 | |
AzureIoTClient | 28:add19eb7defa | 999 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1000 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1001 | |
AzureIoTClient | 28:add19eb7defa | 1002 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1003 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1004 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1005 | int session_get_outgoing_window(SESSION_HANDLE session, uint32_t* outgoing_window) |
Azure.IoT Build | 0:6ae2f7bca550 | 1006 | { |
AzureIoTClient | 28:add19eb7defa | 1007 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1008 | |
AzureIoTClient | 28:add19eb7defa | 1009 | if ((session == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1010 | (outgoing_window == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1011 | { |
AzureIoTClient | 28:add19eb7defa | 1012 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1013 | } |
AzureIoTClient | 28:add19eb7defa | 1014 | else |
AzureIoTClient | 28:add19eb7defa | 1015 | { |
AzureIoTClient | 28:add19eb7defa | 1016 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1017 | |
AzureIoTClient | 28:add19eb7defa | 1018 | *outgoing_window = session_instance->outgoing_window; |
Azure.IoT Build | 0:6ae2f7bca550 | 1019 | |
AzureIoTClient | 28:add19eb7defa | 1020 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1021 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1022 | |
AzureIoTClient | 28:add19eb7defa | 1023 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1024 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1025 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1026 | int session_set_handle_max(SESSION_HANDLE session, handle handle_max) |
Azure.IoT Build | 0:6ae2f7bca550 | 1027 | { |
AzureIoTClient | 28:add19eb7defa | 1028 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1029 | |
AzureIoTClient | 28:add19eb7defa | 1030 | if (session == NULL) |
AzureIoTClient | 28:add19eb7defa | 1031 | { |
AzureIoTClient | 28:add19eb7defa | 1032 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1033 | } |
AzureIoTClient | 28:add19eb7defa | 1034 | else |
AzureIoTClient | 28:add19eb7defa | 1035 | { |
AzureIoTClient | 28:add19eb7defa | 1036 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1037 | |
AzureIoTClient | 28:add19eb7defa | 1038 | session_instance->handle_max = handle_max; |
Azure.IoT Build | 0:6ae2f7bca550 | 1039 | |
AzureIoTClient | 28:add19eb7defa | 1040 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1041 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1042 | |
AzureIoTClient | 28:add19eb7defa | 1043 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1044 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1045 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1046 | int session_get_handle_max(SESSION_HANDLE session, handle* handle_max) |
Azure.IoT Build | 0:6ae2f7bca550 | 1047 | { |
AzureIoTClient | 28:add19eb7defa | 1048 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1049 | |
AzureIoTClient | 28:add19eb7defa | 1050 | if ((session == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1051 | (handle_max == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1052 | { |
AzureIoTClient | 28:add19eb7defa | 1053 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1054 | } |
AzureIoTClient | 28:add19eb7defa | 1055 | else |
AzureIoTClient | 28:add19eb7defa | 1056 | { |
AzureIoTClient | 28:add19eb7defa | 1057 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1058 | |
AzureIoTClient | 28:add19eb7defa | 1059 | *handle_max = session_instance->handle_max; |
Azure.IoT Build | 0:6ae2f7bca550 | 1060 | |
AzureIoTClient | 28:add19eb7defa | 1061 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1062 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1063 | |
AzureIoTClient | 28:add19eb7defa | 1064 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1065 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1066 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1067 | LINK_ENDPOINT_HANDLE session_create_link_endpoint(SESSION_HANDLE session, const char* name) |
Azure.IoT Build | 0:6ae2f7bca550 | 1068 | { |
AzureIoTClient | 28:add19eb7defa | 1069 | LINK_ENDPOINT_INSTANCE* result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1070 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 1071 | /* Codes_S_R_S_SESSION_01_044: [If session, name or frame_received_callback is NULL, session_create_link_endpoint shall fail and return NULL.] */ |
AzureIoTClient | 28:add19eb7defa | 1072 | if ((session == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1073 | (name == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1074 | { |
AzureIoTClient | 28:add19eb7defa | 1075 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 1076 | } |
AzureIoTClient | 28:add19eb7defa | 1077 | else |
AzureIoTClient | 28:add19eb7defa | 1078 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1079 | /* Codes_S_R_S_SESSION_01_043: [session_create_link_endpoint shall create a link endpoint associated with a given session and return a non-NULL handle to it.] */ |
AzureIoTClient | 28:add19eb7defa | 1080 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1081 | |
AzureIoTClient | 28:add19eb7defa | 1082 | result = (LINK_ENDPOINT_INSTANCE*)malloc(sizeof(LINK_ENDPOINT_INSTANCE)); |
AzureIoTClient | 43:4c1e4e94cdd3 | 1083 | /* Codes_S_R_S_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */ |
AzureIoTClient | 28:add19eb7defa | 1084 | if (result != NULL) |
AzureIoTClient | 28:add19eb7defa | 1085 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1086 | /* Codes_S_R_S_SESSION_01_046: [An unused handle shall be assigned to the link endpoint.] */ |
AzureIoTClient | 28:add19eb7defa | 1087 | handle selected_handle = 0; |
AzureIoTClient | 28:add19eb7defa | 1088 | size_t i; |
AzureIoTClient | 23:1111ee8bcba4 | 1089 | size_t name_length; |
Azure.IoT Build | 0:6ae2f7bca550 | 1090 | |
AzureIoTClient | 28:add19eb7defa | 1091 | for (i = 0; i < session_instance->link_endpoint_count; i++) |
AzureIoTClient | 28:add19eb7defa | 1092 | { |
AzureIoTClient | 28:add19eb7defa | 1093 | if (session_instance->link_endpoints[i]->output_handle > selected_handle) |
AzureIoTClient | 28:add19eb7defa | 1094 | { |
AzureIoTClient | 28:add19eb7defa | 1095 | break; |
AzureIoTClient | 28:add19eb7defa | 1096 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1097 | |
AzureIoTClient | 28:add19eb7defa | 1098 | selected_handle++; |
AzureIoTClient | 28:add19eb7defa | 1099 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1100 | |
AzureIoTClient | 28:add19eb7defa | 1101 | result->on_session_state_changed = NULL; |
AzureIoTClient | 28:add19eb7defa | 1102 | result->on_session_flow_on = NULL; |
AzureIoTClient | 28:add19eb7defa | 1103 | result->frame_received_callback = NULL; |
AzureIoTClient | 28:add19eb7defa | 1104 | result->callback_context = NULL; |
AzureIoTClient | 28:add19eb7defa | 1105 | result->output_handle = selected_handle; |
AzureIoTClient | 28:add19eb7defa | 1106 | result->input_handle = 0xFFFFFFFF; |
AzureIoTClient | 43:4c1e4e94cdd3 | 1107 | result->link_endpoint_state = LINK_ENDPOINT_STATE_NOT_ATTACHED; |
AzureIoTClient | 23:1111ee8bcba4 | 1108 | name_length = strlen(name); |
AzureIoTClient | 28:add19eb7defa | 1109 | result->name = (char*)malloc(name_length + 1); |
AzureIoTClient | 28:add19eb7defa | 1110 | if (result->name == NULL) |
AzureIoTClient | 28:add19eb7defa | 1111 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1112 | /* Codes_S_R_S_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */ |
AzureIoTClient | 28:add19eb7defa | 1113 | free(result); |
AzureIoTClient | 28:add19eb7defa | 1114 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 1115 | } |
AzureIoTClient | 28:add19eb7defa | 1116 | else |
AzureIoTClient | 28:add19eb7defa | 1117 | { |
AzureIoTClient | 28:add19eb7defa | 1118 | LINK_ENDPOINT_INSTANCE** new_link_endpoints; |
AzureIoTClient | 28:add19eb7defa | 1119 | (void)memcpy(result->name, name, name_length + 1); |
AzureIoTClient | 28:add19eb7defa | 1120 | result->session = session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1121 | |
AzureIoTClient | 28:add19eb7defa | 1122 | new_link_endpoints = (LINK_ENDPOINT_INSTANCE**)realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * (session_instance->link_endpoint_count + 1)); |
AzureIoTClient | 28:add19eb7defa | 1123 | if (new_link_endpoints == NULL) |
AzureIoTClient | 28:add19eb7defa | 1124 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1125 | /* Codes_S_R_S_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */ |
AzureIoTClient | 21:f9c433d8e6ca | 1126 | free(result->name); |
AzureIoTClient | 28:add19eb7defa | 1127 | free(result); |
AzureIoTClient | 28:add19eb7defa | 1128 | result = NULL; |
AzureIoTClient | 28:add19eb7defa | 1129 | } |
AzureIoTClient | 28:add19eb7defa | 1130 | else |
AzureIoTClient | 28:add19eb7defa | 1131 | { |
AzureIoTClient | 28:add19eb7defa | 1132 | session_instance->link_endpoints = new_link_endpoints; |
Azure.IoT Build | 0:6ae2f7bca550 | 1133 | |
AzureIoTClient | 28:add19eb7defa | 1134 | if (session_instance->link_endpoint_count - selected_handle > 0) |
AzureIoTClient | 28:add19eb7defa | 1135 | { |
AzureIoTClient | 28:add19eb7defa | 1136 | (void)memmove(&session_instance->link_endpoints[selected_handle + 1], &session_instance->link_endpoints[selected_handle], (session_instance->link_endpoint_count - selected_handle) * sizeof(LINK_ENDPOINT_INSTANCE*)); |
AzureIoTClient | 28:add19eb7defa | 1137 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1138 | |
AzureIoTClient | 28:add19eb7defa | 1139 | session_instance->link_endpoints[selected_handle] = result; |
AzureIoTClient | 28:add19eb7defa | 1140 | session_instance->link_endpoint_count++; |
AzureIoTClient | 28:add19eb7defa | 1141 | } |
AzureIoTClient | 28:add19eb7defa | 1142 | } |
AzureIoTClient | 28:add19eb7defa | 1143 | } |
AzureIoTClient | 28:add19eb7defa | 1144 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1145 | |
AzureIoTClient | 28:add19eb7defa | 1146 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1147 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1148 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1149 | void session_destroy_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint) |
Azure.IoT Build | 0:6ae2f7bca550 | 1150 | { |
AzureIoTClient | 28:add19eb7defa | 1151 | if (link_endpoint != NULL) |
AzureIoTClient | 28:add19eb7defa | 1152 | { |
AzureIoTClient | 28:add19eb7defa | 1153 | LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
Azure.IoT Build | 0:6ae2f7bca550 | 1154 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 1155 | if (endpoint_instance->link_endpoint_state == LINK_ENDPOINT_STATE_ATTACHED) |
AzureIoTClient | 28:add19eb7defa | 1156 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1157 | endpoint_instance->link_endpoint_state = LINK_ENDPOINT_STATE_DETACHING; |
AzureIoTClient | 28:add19eb7defa | 1158 | } |
AzureIoTClient | 43:4c1e4e94cdd3 | 1159 | else |
AzureIoTClient | 28:add19eb7defa | 1160 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1161 | remove_link_endpoint(link_endpoint); |
AzureIoTClient | 43:4c1e4e94cdd3 | 1162 | free_link_endpoint(link_endpoint); |
AzureIoTClient | 28:add19eb7defa | 1163 | } |
AzureIoTClient | 28:add19eb7defa | 1164 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1165 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1166 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1167 | int session_start_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint, ON_ENDPOINT_FRAME_RECEIVED frame_received_callback, ON_SESSION_STATE_CHANGED on_session_state_changed, ON_SESSION_FLOW_ON on_session_flow_on, void* context) |
Azure.IoT Build | 0:6ae2f7bca550 | 1168 | { |
AzureIoTClient | 28:add19eb7defa | 1169 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1170 | |
AzureIoTClient | 28:add19eb7defa | 1171 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1172 | (frame_received_callback == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1173 | { |
AzureIoTClient | 28:add19eb7defa | 1174 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1175 | } |
AzureIoTClient | 28:add19eb7defa | 1176 | else |
AzureIoTClient | 28:add19eb7defa | 1177 | { |
AzureIoTClient | 28:add19eb7defa | 1178 | link_endpoint->frame_received_callback = frame_received_callback; |
AzureIoTClient | 28:add19eb7defa | 1179 | link_endpoint->on_session_state_changed = on_session_state_changed; |
AzureIoTClient | 28:add19eb7defa | 1180 | link_endpoint->on_session_flow_on = on_session_flow_on; |
AzureIoTClient | 28:add19eb7defa | 1181 | link_endpoint->callback_context = context; |
AzureIoTClient | 43:4c1e4e94cdd3 | 1182 | link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_NOT_ATTACHED; |
Azure.IoT Build | 0:6ae2f7bca550 | 1183 | |
AzureIoTClient | 28:add19eb7defa | 1184 | if (link_endpoint->on_session_state_changed != NULL) |
AzureIoTClient | 28:add19eb7defa | 1185 | { |
AzureIoTClient | 28:add19eb7defa | 1186 | link_endpoint->on_session_state_changed(link_endpoint->callback_context, link_endpoint->session->session_state, link_endpoint->session->previous_session_state); |
AzureIoTClient | 28:add19eb7defa | 1187 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1188 | |
AzureIoTClient | 28:add19eb7defa | 1189 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1190 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1191 | |
AzureIoTClient | 28:add19eb7defa | 1192 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1193 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1194 | |
AzureIoTClient | 30:0407b2db334c | 1195 | static int encode_frame(LINK_ENDPOINT_HANDLE link_endpoint, AMQP_VALUE performative, PAYLOAD* payloads, size_t payload_count) |
Azure.IoT Build | 0:6ae2f7bca550 | 1196 | { |
AzureIoTClient | 28:add19eb7defa | 1197 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1198 | |
AzureIoTClient | 28:add19eb7defa | 1199 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1200 | (performative == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1201 | { |
AzureIoTClient | 28:add19eb7defa | 1202 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1203 | } |
AzureIoTClient | 28:add19eb7defa | 1204 | else |
AzureIoTClient | 28:add19eb7defa | 1205 | { |
AzureIoTClient | 28:add19eb7defa | 1206 | LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
AzureIoTClient | 28:add19eb7defa | 1207 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1208 | |
AzureIoTClient | 28:add19eb7defa | 1209 | if (connection_encode_frame(session_instance->endpoint, performative, payloads, payload_count, NULL, NULL) != 0) |
AzureIoTClient | 28:add19eb7defa | 1210 | { |
AzureIoTClient | 28:add19eb7defa | 1211 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1212 | } |
AzureIoTClient | 28:add19eb7defa | 1213 | else |
AzureIoTClient | 28:add19eb7defa | 1214 | { |
AzureIoTClient | 28:add19eb7defa | 1215 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1216 | } |
AzureIoTClient | 28:add19eb7defa | 1217 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1218 | |
AzureIoTClient | 28:add19eb7defa | 1219 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1220 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1221 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1222 | int session_send_flow(LINK_ENDPOINT_HANDLE link_endpoint, FLOW_HANDLE flow) |
Azure.IoT Build | 0:6ae2f7bca550 | 1223 | { |
AzureIoTClient | 28:add19eb7defa | 1224 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1225 | |
AzureIoTClient | 28:add19eb7defa | 1226 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1227 | (flow == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1228 | { |
AzureIoTClient | 28:add19eb7defa | 1229 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1230 | } |
AzureIoTClient | 28:add19eb7defa | 1231 | else |
AzureIoTClient | 28:add19eb7defa | 1232 | { |
AzureIoTClient | 28:add19eb7defa | 1233 | LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
AzureIoTClient | 28:add19eb7defa | 1234 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1235 | |
AzureIoTClient | 28:add19eb7defa | 1236 | result = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 1237 | |
AzureIoTClient | 28:add19eb7defa | 1238 | if (session_instance->session_state == SESSION_STATE_BEGIN_RCVD) |
AzureIoTClient | 28:add19eb7defa | 1239 | { |
AzureIoTClient | 28:add19eb7defa | 1240 | if (flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0) |
AzureIoTClient | 28:add19eb7defa | 1241 | { |
AzureIoTClient | 28:add19eb7defa | 1242 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1243 | } |
AzureIoTClient | 28:add19eb7defa | 1244 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1245 | |
AzureIoTClient | 28:add19eb7defa | 1246 | if (result == 0) |
AzureIoTClient | 28:add19eb7defa | 1247 | { |
AzureIoTClient | 12:b30dacf113f2 | 1248 | if ((flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0) || |
AzureIoTClient | 12:b30dacf113f2 | 1249 | (flow_set_incoming_window(flow, session_instance->incoming_window) != 0) || |
AzureIoTClient | 12:b30dacf113f2 | 1250 | (flow_set_next_outgoing_id(flow, session_instance->next_outgoing_id) != 0) || |
AzureIoTClient | 28:add19eb7defa | 1251 | (flow_set_outgoing_window(flow, session_instance->outgoing_window) != 0) || |
AzureIoTClient | 28:add19eb7defa | 1252 | (flow_set_handle(flow, link_endpoint_instance->output_handle) != 0)) |
AzureIoTClient | 28:add19eb7defa | 1253 | { |
AzureIoTClient | 28:add19eb7defa | 1254 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1255 | } |
AzureIoTClient | 28:add19eb7defa | 1256 | else |
AzureIoTClient | 28:add19eb7defa | 1257 | { |
AzureIoTClient | 28:add19eb7defa | 1258 | AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow); |
AzureIoTClient | 28:add19eb7defa | 1259 | if (flow_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 1260 | { |
AzureIoTClient | 28:add19eb7defa | 1261 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1262 | } |
AzureIoTClient | 28:add19eb7defa | 1263 | else |
AzureIoTClient | 28:add19eb7defa | 1264 | { |
AzureIoTClient | 28:add19eb7defa | 1265 | if (encode_frame(link_endpoint, flow_performative_value, NULL, 0) != 0) |
AzureIoTClient | 28:add19eb7defa | 1266 | { |
AzureIoTClient | 28:add19eb7defa | 1267 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1268 | } |
AzureIoTClient | 28:add19eb7defa | 1269 | else |
AzureIoTClient | 28:add19eb7defa | 1270 | { |
AzureIoTClient | 28:add19eb7defa | 1271 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1272 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1273 | |
AzureIoTClient | 28:add19eb7defa | 1274 | amqpvalue_destroy(flow_performative_value); |
AzureIoTClient | 28:add19eb7defa | 1275 | } |
AzureIoTClient | 28:add19eb7defa | 1276 | } |
AzureIoTClient | 28:add19eb7defa | 1277 | } |
AzureIoTClient | 28:add19eb7defa | 1278 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1279 | |
AzureIoTClient | 28:add19eb7defa | 1280 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1281 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1282 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1283 | int session_send_attach(LINK_ENDPOINT_HANDLE link_endpoint, ATTACH_HANDLE attach) |
Azure.IoT Build | 0:6ae2f7bca550 | 1284 | { |
AzureIoTClient | 28:add19eb7defa | 1285 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1286 | |
AzureIoTClient | 28:add19eb7defa | 1287 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1288 | (attach == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1289 | { |
AzureIoTClient | 28:add19eb7defa | 1290 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1291 | } |
AzureIoTClient | 28:add19eb7defa | 1292 | else |
AzureIoTClient | 28:add19eb7defa | 1293 | { |
AzureIoTClient | 28:add19eb7defa | 1294 | LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
Azure.IoT Build | 0:6ae2f7bca550 | 1295 | |
AzureIoTClient | 28:add19eb7defa | 1296 | if (attach_set_handle(attach, link_endpoint_instance->output_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 1297 | { |
AzureIoTClient | 28:add19eb7defa | 1298 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1299 | } |
AzureIoTClient | 28:add19eb7defa | 1300 | else |
AzureIoTClient | 28:add19eb7defa | 1301 | { |
AzureIoTClient | 28:add19eb7defa | 1302 | AMQP_VALUE attach_performative_value = amqpvalue_create_attach(attach); |
AzureIoTClient | 28:add19eb7defa | 1303 | if (attach_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 1304 | { |
AzureIoTClient | 28:add19eb7defa | 1305 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1306 | } |
AzureIoTClient | 28:add19eb7defa | 1307 | else |
AzureIoTClient | 28:add19eb7defa | 1308 | { |
AzureIoTClient | 28:add19eb7defa | 1309 | if (encode_frame(link_endpoint, attach_performative_value, NULL, 0) != 0) |
AzureIoTClient | 28:add19eb7defa | 1310 | { |
AzureIoTClient | 28:add19eb7defa | 1311 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1312 | } |
AzureIoTClient | 28:add19eb7defa | 1313 | else |
AzureIoTClient | 28:add19eb7defa | 1314 | { |
AzureIoTClient | 28:add19eb7defa | 1315 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1316 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1317 | |
AzureIoTClient | 28:add19eb7defa | 1318 | amqpvalue_destroy(attach_performative_value); |
AzureIoTClient | 28:add19eb7defa | 1319 | } |
AzureIoTClient | 28:add19eb7defa | 1320 | } |
AzureIoTClient | 28:add19eb7defa | 1321 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1322 | |
AzureIoTClient | 28:add19eb7defa | 1323 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1324 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1325 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1326 | int session_send_disposition(LINK_ENDPOINT_HANDLE link_endpoint, DISPOSITION_HANDLE disposition) |
Azure.IoT Build | 0:6ae2f7bca550 | 1327 | { |
AzureIoTClient | 28:add19eb7defa | 1328 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1329 | |
AzureIoTClient | 28:add19eb7defa | 1330 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1331 | (disposition == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1332 | { |
AzureIoTClient | 28:add19eb7defa | 1333 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1334 | } |
AzureIoTClient | 28:add19eb7defa | 1335 | else |
AzureIoTClient | 28:add19eb7defa | 1336 | { |
AzureIoTClient | 28:add19eb7defa | 1337 | AMQP_VALUE disposition_performative_value = amqpvalue_create_disposition(disposition); |
AzureIoTClient | 28:add19eb7defa | 1338 | if (disposition_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 1339 | { |
AzureIoTClient | 28:add19eb7defa | 1340 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1341 | } |
AzureIoTClient | 28:add19eb7defa | 1342 | else |
AzureIoTClient | 28:add19eb7defa | 1343 | { |
AzureIoTClient | 28:add19eb7defa | 1344 | if (encode_frame(link_endpoint, disposition_performative_value, NULL, 0) != 0) |
AzureIoTClient | 28:add19eb7defa | 1345 | { |
AzureIoTClient | 28:add19eb7defa | 1346 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1347 | } |
AzureIoTClient | 28:add19eb7defa | 1348 | else |
AzureIoTClient | 28:add19eb7defa | 1349 | { |
AzureIoTClient | 28:add19eb7defa | 1350 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1351 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1352 | |
AzureIoTClient | 28:add19eb7defa | 1353 | amqpvalue_destroy(disposition_performative_value); |
AzureIoTClient | 28:add19eb7defa | 1354 | } |
AzureIoTClient | 28:add19eb7defa | 1355 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1356 | |
AzureIoTClient | 28:add19eb7defa | 1357 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1358 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1359 | |
Azure.IoT Build | 0:6ae2f7bca550 | 1360 | int session_send_detach(LINK_ENDPOINT_HANDLE link_endpoint, DETACH_HANDLE detach) |
Azure.IoT Build | 0:6ae2f7bca550 | 1361 | { |
AzureIoTClient | 28:add19eb7defa | 1362 | int result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1363 | |
AzureIoTClient | 28:add19eb7defa | 1364 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1365 | (detach == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1366 | { |
AzureIoTClient | 28:add19eb7defa | 1367 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1368 | } |
AzureIoTClient | 28:add19eb7defa | 1369 | else |
AzureIoTClient | 28:add19eb7defa | 1370 | { |
AzureIoTClient | 28:add19eb7defa | 1371 | LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
Azure.IoT Build | 0:6ae2f7bca550 | 1372 | |
AzureIoTClient | 28:add19eb7defa | 1373 | if (detach_set_handle(detach, link_endpoint_instance->output_handle) != 0) |
AzureIoTClient | 28:add19eb7defa | 1374 | { |
AzureIoTClient | 28:add19eb7defa | 1375 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1376 | } |
AzureIoTClient | 28:add19eb7defa | 1377 | else |
AzureIoTClient | 28:add19eb7defa | 1378 | { |
AzureIoTClient | 28:add19eb7defa | 1379 | AMQP_VALUE detach_performative_value = amqpvalue_create_detach(detach); |
AzureIoTClient | 28:add19eb7defa | 1380 | if (detach_performative_value == NULL) |
AzureIoTClient | 28:add19eb7defa | 1381 | { |
AzureIoTClient | 28:add19eb7defa | 1382 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1383 | } |
AzureIoTClient | 28:add19eb7defa | 1384 | else |
AzureIoTClient | 28:add19eb7defa | 1385 | { |
AzureIoTClient | 28:add19eb7defa | 1386 | if (encode_frame(link_endpoint, detach_performative_value, NULL, 0) != 0) |
AzureIoTClient | 28:add19eb7defa | 1387 | { |
AzureIoTClient | 28:add19eb7defa | 1388 | result = __FAILURE__; |
AzureIoTClient | 28:add19eb7defa | 1389 | } |
AzureIoTClient | 28:add19eb7defa | 1390 | else |
AzureIoTClient | 28:add19eb7defa | 1391 | { |
AzureIoTClient | 28:add19eb7defa | 1392 | result = 0; |
AzureIoTClient | 28:add19eb7defa | 1393 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1394 | |
AzureIoTClient | 28:add19eb7defa | 1395 | amqpvalue_destroy(detach_performative_value); |
AzureIoTClient | 28:add19eb7defa | 1396 | } |
AzureIoTClient | 28:add19eb7defa | 1397 | } |
AzureIoTClient | 28:add19eb7defa | 1398 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1399 | |
AzureIoTClient | 28:add19eb7defa | 1400 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1401 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1402 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 1403 | /* Codes_S_R_S_SESSION_01_051: [session_send_transfer shall send a transfer frame with the performative indicated in the transfer argument.] */ |
Azure.IoT Build | 0:6ae2f7bca550 | 1404 | SESSION_SEND_TRANSFER_RESULT session_send_transfer(LINK_ENDPOINT_HANDLE link_endpoint, TRANSFER_HANDLE transfer, PAYLOAD* payloads, size_t payload_count, delivery_number* delivery_id, ON_SEND_COMPLETE on_send_complete, void* callback_context) |
Azure.IoT Build | 0:6ae2f7bca550 | 1405 | { |
AzureIoTClient | 28:add19eb7defa | 1406 | SESSION_SEND_TRANSFER_RESULT result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1407 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 1408 | /* Codes_S_R_S_SESSION_01_054: [If link_endpoint or transfer is NULL, session_send_transfer shall fail and return a non-zero value.] */ |
AzureIoTClient | 28:add19eb7defa | 1409 | if ((link_endpoint == NULL) || |
AzureIoTClient | 28:add19eb7defa | 1410 | (transfer == NULL)) |
AzureIoTClient | 28:add19eb7defa | 1411 | { |
AzureIoTClient | 28:add19eb7defa | 1412 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 28:add19eb7defa | 1413 | } |
AzureIoTClient | 28:add19eb7defa | 1414 | else |
AzureIoTClient | 28:add19eb7defa | 1415 | { |
AzureIoTClient | 28:add19eb7defa | 1416 | LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint; |
AzureIoTClient | 28:add19eb7defa | 1417 | SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session; |
Azure.IoT Build | 0:6ae2f7bca550 | 1418 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 1419 | /* Codes_S_R_S_SESSION_01_059: [When session_send_transfer is called while the session is not in the MAPPED state, session_send_transfer shall fail and return a non-zero value.] */ |
AzureIoTClient | 28:add19eb7defa | 1420 | if (session_instance->session_state != SESSION_STATE_MAPPED) |
AzureIoTClient | 28:add19eb7defa | 1421 | { |
AzureIoTClient | 28:add19eb7defa | 1422 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 28:add19eb7defa | 1423 | } |
AzureIoTClient | 28:add19eb7defa | 1424 | else |
AzureIoTClient | 28:add19eb7defa | 1425 | { |
AzureIoTClient | 28:add19eb7defa | 1426 | size_t payload_size = 0; |
AzureIoTClient | 28:add19eb7defa | 1427 | size_t i; |
Azure.IoT Build | 0:6ae2f7bca550 | 1428 | |
AzureIoTClient | 28:add19eb7defa | 1429 | for (i = 0; i < payload_count; i++) |
AzureIoTClient | 28:add19eb7defa | 1430 | { |
AzureIoTClient | 6:641a9672db08 | 1431 | if ((payloads[i].length > UINT32_MAX) || |
AzureIoTClient | 6:641a9672db08 | 1432 | (payload_size + payloads[i].length < payload_size)) |
AzureIoTClient | 6:641a9672db08 | 1433 | { |
AzureIoTClient | 6:641a9672db08 | 1434 | break; |
AzureIoTClient | 6:641a9672db08 | 1435 | } |
AzureIoTClient | 6:641a9672db08 | 1436 | |
AzureIoTClient | 6:641a9672db08 | 1437 | payload_size += payloads[i].length; |
AzureIoTClient | 6:641a9672db08 | 1438 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1439 | |
AzureIoTClient | 6:641a9672db08 | 1440 | if ((i < payload_count) || |
AzureIoTClient | 6:641a9672db08 | 1441 | (payload_size > UINT32_MAX)) |
AzureIoTClient | 6:641a9672db08 | 1442 | { |
AzureIoTClient | 6:641a9672db08 | 1443 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 6:641a9672db08 | 1444 | } |
AzureIoTClient | 6:641a9672db08 | 1445 | else |
AzureIoTClient | 6:641a9672db08 | 1446 | { |
AzureIoTClient | 6:641a9672db08 | 1447 | if (session_instance->remote_incoming_window == 0) |
AzureIoTClient | 6:641a9672db08 | 1448 | { |
AzureIoTClient | 6:641a9672db08 | 1449 | result = SESSION_SEND_TRANSFER_BUSY; |
AzureIoTClient | 6:641a9672db08 | 1450 | } |
AzureIoTClient | 6:641a9672db08 | 1451 | else |
AzureIoTClient | 6:641a9672db08 | 1452 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1453 | /* Codes_S_R_S_SESSION_01_012: [The session endpoint assigns each outgoing transfer frame an implicit transfer-id from a session scoped sequence.] */ |
AzureIoTClient | 43:4c1e4e94cdd3 | 1454 | /* Codes_S_R_S_SESSION_01_027: [sending a transfer Upon sending a transfer, the sending endpoint will increment its next-outgoing-id] */ |
AzureIoTClient | 6:641a9672db08 | 1455 | *delivery_id = session_instance->next_outgoing_id; |
AzureIoTClient | 6:641a9672db08 | 1456 | if ((transfer_set_handle(transfer, link_endpoint_instance->output_handle) != 0) || |
AzureIoTClient | 6:641a9672db08 | 1457 | (transfer_set_delivery_id(transfer, *delivery_id) != 0) || |
AzureIoTClient | 6:641a9672db08 | 1458 | (transfer_set_more(transfer, false) != 0)) |
AzureIoTClient | 6:641a9672db08 | 1459 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1460 | /* Codes_S_R_S_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */ |
AzureIoTClient | 6:641a9672db08 | 1461 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 6:641a9672db08 | 1462 | } |
AzureIoTClient | 6:641a9672db08 | 1463 | else |
AzureIoTClient | 6:641a9672db08 | 1464 | { |
AzureIoTClient | 6:641a9672db08 | 1465 | AMQP_VALUE transfer_value; |
Azure.IoT Build | 0:6ae2f7bca550 | 1466 | |
AzureIoTClient | 6:641a9672db08 | 1467 | transfer_value = amqpvalue_create_transfer(transfer); |
AzureIoTClient | 6:641a9672db08 | 1468 | if (transfer_value == NULL) |
AzureIoTClient | 6:641a9672db08 | 1469 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1470 | /* Codes_S_R_S_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */ |
AzureIoTClient | 6:641a9672db08 | 1471 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 6:641a9672db08 | 1472 | } |
AzureIoTClient | 6:641a9672db08 | 1473 | else |
AzureIoTClient | 6:641a9672db08 | 1474 | { |
AzureIoTClient | 6:641a9672db08 | 1475 | uint32_t available_frame_size; |
AzureIoTClient | 6:641a9672db08 | 1476 | size_t encoded_size; |
Azure.IoT Build | 0:6ae2f7bca550 | 1477 | |
AzureIoTClient | 6:641a9672db08 | 1478 | if ((connection_get_remote_max_frame_size(session_instance->connection, &available_frame_size) != 0) || |
AzureIoTClient | 6:641a9672db08 | 1479 | (amqpvalue_get_encoded_size(transfer_value, &encoded_size) != 0)) |
AzureIoTClient | 6:641a9672db08 | 1480 | { |
AzureIoTClient | 6:641a9672db08 | 1481 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 6:641a9672db08 | 1482 | } |
AzureIoTClient | 6:641a9672db08 | 1483 | else |
AzureIoTClient | 6:641a9672db08 | 1484 | { |
AzureIoTClient | 6:641a9672db08 | 1485 | payload_size = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 1486 | |
AzureIoTClient | 6:641a9672db08 | 1487 | for (i = 0; i < payload_count; i++) |
AzureIoTClient | 6:641a9672db08 | 1488 | { |
AzureIoTClient | 6:641a9672db08 | 1489 | payload_size += payloads[i].length; |
AzureIoTClient | 6:641a9672db08 | 1490 | } |
AzureIoTClient | 6:641a9672db08 | 1491 | |
AzureIoTClient | 6:641a9672db08 | 1492 | available_frame_size -= (uint32_t)encoded_size; |
AzureIoTClient | 6:641a9672db08 | 1493 | available_frame_size -= 8; |
Azure.IoT Build | 0:6ae2f7bca550 | 1494 | |
AzureIoTClient | 6:641a9672db08 | 1495 | if (available_frame_size >= payload_size) |
AzureIoTClient | 6:641a9672db08 | 1496 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1497 | /* Codes_S_R_S_SESSION_01_055: [The encoding of the frame shall be done by calling connection_encode_frame and passing as arguments: the connection handle associated with the session, the transfer performative and the payload chunks passed to session_send_transfer.] */ |
AzureIoTClient | 6:641a9672db08 | 1498 | if (connection_encode_frame(session_instance->endpoint, transfer_value, payloads, payload_count, on_send_complete, callback_context) != 0) |
AzureIoTClient | 6:641a9672db08 | 1499 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1500 | /* Codes_S_R_S_SESSION_01_056: [If connection_encode_frame fails then session_send_transfer shall fail and return a non-zero value.] */ |
AzureIoTClient | 6:641a9672db08 | 1501 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 6:641a9672db08 | 1502 | } |
AzureIoTClient | 6:641a9672db08 | 1503 | else |
AzureIoTClient | 6:641a9672db08 | 1504 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1505 | /* Codes_S_R_S_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */ |
AzureIoTClient | 6:641a9672db08 | 1506 | session_instance->next_outgoing_id++; |
AzureIoTClient | 6:641a9672db08 | 1507 | session_instance->remote_incoming_window--; |
AzureIoTClient | 6:641a9672db08 | 1508 | session_instance->outgoing_window--; |
Azure.IoT Build | 0:6ae2f7bca550 | 1509 | |
AzureIoTClient | 43:4c1e4e94cdd3 | 1510 | /* Codes_S_R_S_SESSION_01_053: [On success, session_send_transfer shall return 0.] */ |
AzureIoTClient | 6:641a9672db08 | 1511 | result = SESSION_SEND_TRANSFER_OK; |
AzureIoTClient | 6:641a9672db08 | 1512 | } |
AzureIoTClient | 6:641a9672db08 | 1513 | } |
AzureIoTClient | 6:641a9672db08 | 1514 | else |
AzureIoTClient | 6:641a9672db08 | 1515 | { |
AzureIoTClient | 6:641a9672db08 | 1516 | size_t current_payload_index = 0; |
AzureIoTClient | 6:641a9672db08 | 1517 | uint32_t current_payload_pos = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 1518 | |
AzureIoTClient | 6:641a9672db08 | 1519 | /* break it down into different deliveries */ |
AzureIoTClient | 6:641a9672db08 | 1520 | while (payload_size > 0) |
AzureIoTClient | 6:641a9672db08 | 1521 | { |
AzureIoTClient | 6:641a9672db08 | 1522 | uint32_t transfer_frame_payload_count = 0; |
AzureIoTClient | 6:641a9672db08 | 1523 | uint32_t current_transfer_frame_payload_size = (uint32_t)payload_size; |
AzureIoTClient | 6:641a9672db08 | 1524 | uint32_t byte_counter; |
AzureIoTClient | 6:641a9672db08 | 1525 | size_t temp_current_payload_index = current_payload_index; |
AzureIoTClient | 6:641a9672db08 | 1526 | uint32_t temp_current_payload_pos = current_payload_pos; |
AzureIoTClient | 6:641a9672db08 | 1527 | AMQP_VALUE multi_transfer_amqp_value; |
AzureIoTClient | 28:add19eb7defa | 1528 | PAYLOAD* transfer_frame_payloads; |
AzureIoTClient | 6:641a9672db08 | 1529 | bool more; |
AzureIoTClient | 6:641a9672db08 | 1530 | |
AzureIoTClient | 6:641a9672db08 | 1531 | if (current_transfer_frame_payload_size > available_frame_size) |
AzureIoTClient | 6:641a9672db08 | 1532 | { |
AzureIoTClient | 6:641a9672db08 | 1533 | current_transfer_frame_payload_size = available_frame_size; |
AzureIoTClient | 6:641a9672db08 | 1534 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1535 | |
AzureIoTClient | 6:641a9672db08 | 1536 | if (available_frame_size >= payload_size) |
AzureIoTClient | 6:641a9672db08 | 1537 | { |
AzureIoTClient | 6:641a9672db08 | 1538 | more = false; |
AzureIoTClient | 6:641a9672db08 | 1539 | } |
AzureIoTClient | 6:641a9672db08 | 1540 | else |
AzureIoTClient | 6:641a9672db08 | 1541 | { |
AzureIoTClient | 6:641a9672db08 | 1542 | more = true; |
AzureIoTClient | 6:641a9672db08 | 1543 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1544 | |
AzureIoTClient | 6:641a9672db08 | 1545 | if (transfer_set_more(transfer, more) != 0) |
AzureIoTClient | 6:641a9672db08 | 1546 | { |
AzureIoTClient | 6:641a9672db08 | 1547 | break; |
AzureIoTClient | 6:641a9672db08 | 1548 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1549 | |
AzureIoTClient | 6:641a9672db08 | 1550 | multi_transfer_amqp_value = amqpvalue_create_transfer(transfer); |
AzureIoTClient | 6:641a9672db08 | 1551 | if (multi_transfer_amqp_value == NULL) |
AzureIoTClient | 6:641a9672db08 | 1552 | { |
AzureIoTClient | 6:641a9672db08 | 1553 | break; |
AzureIoTClient | 6:641a9672db08 | 1554 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1555 | |
AzureIoTClient | 6:641a9672db08 | 1556 | byte_counter = current_transfer_frame_payload_size; |
AzureIoTClient | 6:641a9672db08 | 1557 | while (byte_counter > 0) |
AzureIoTClient | 6:641a9672db08 | 1558 | { |
AzureIoTClient | 6:641a9672db08 | 1559 | if (payloads[temp_current_payload_index].length - temp_current_payload_pos >= byte_counter) |
AzureIoTClient | 6:641a9672db08 | 1560 | { |
AzureIoTClient | 6:641a9672db08 | 1561 | /* more data than we need */ |
AzureIoTClient | 6:641a9672db08 | 1562 | temp_current_payload_pos += byte_counter; |
AzureIoTClient | 6:641a9672db08 | 1563 | byte_counter = 0; |
AzureIoTClient | 6:641a9672db08 | 1564 | } |
AzureIoTClient | 6:641a9672db08 | 1565 | else |
AzureIoTClient | 6:641a9672db08 | 1566 | { |
AzureIoTClient | 6:641a9672db08 | 1567 | byte_counter -= (uint32_t)payloads[temp_current_payload_index].length - temp_current_payload_pos; |
AzureIoTClient | 6:641a9672db08 | 1568 | temp_current_payload_index++; |
AzureIoTClient | 6:641a9672db08 | 1569 | temp_current_payload_pos = 0; |
AzureIoTClient | 6:641a9672db08 | 1570 | } |
AzureIoTClient | 6:641a9672db08 | 1571 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1572 | |
AzureIoTClient | 6:641a9672db08 | 1573 | transfer_frame_payload_count = (uint32_t)(temp_current_payload_index - current_payload_index + 1); |
AzureIoTClient | 25:1101516ee67d | 1574 | transfer_frame_payloads = (PAYLOAD*)malloc(transfer_frame_payload_count * sizeof(PAYLOAD)); |
AzureIoTClient | 6:641a9672db08 | 1575 | if (transfer_frame_payloads == NULL) |
AzureIoTClient | 6:641a9672db08 | 1576 | { |
AzureIoTClient | 6:641a9672db08 | 1577 | amqpvalue_destroy(multi_transfer_amqp_value); |
AzureIoTClient | 6:641a9672db08 | 1578 | break; |
AzureIoTClient | 6:641a9672db08 | 1579 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1580 | |
AzureIoTClient | 6:641a9672db08 | 1581 | /* copy data */ |
AzureIoTClient | 6:641a9672db08 | 1582 | byte_counter = current_transfer_frame_payload_size; |
AzureIoTClient | 6:641a9672db08 | 1583 | transfer_frame_payload_count = 0; |
Azure.IoT Build | 0:6ae2f7bca550 | 1584 | |
AzureIoTClient | 6:641a9672db08 | 1585 | while (byte_counter > 0) |
AzureIoTClient | 6:641a9672db08 | 1586 | { |
AzureIoTClient | 6:641a9672db08 | 1587 | if (payloads[current_payload_index].length - current_payload_pos > byte_counter) |
AzureIoTClient | 6:641a9672db08 | 1588 | { |
AzureIoTClient | 6:641a9672db08 | 1589 | /* more data than we need */ |
AzureIoTClient | 6:641a9672db08 | 1590 | transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos; |
AzureIoTClient | 6:641a9672db08 | 1591 | transfer_frame_payloads[transfer_frame_payload_count].length = byte_counter; |
AzureIoTClient | 6:641a9672db08 | 1592 | current_payload_pos += byte_counter; |
AzureIoTClient | 6:641a9672db08 | 1593 | byte_counter = 0; |
AzureIoTClient | 6:641a9672db08 | 1594 | } |
AzureIoTClient | 6:641a9672db08 | 1595 | else |
AzureIoTClient | 6:641a9672db08 | 1596 | { |
AzureIoTClient | 6:641a9672db08 | 1597 | /* copy entire payload and move to the next */ |
AzureIoTClient | 6:641a9672db08 | 1598 | transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos; |
AzureIoTClient | 6:641a9672db08 | 1599 | transfer_frame_payloads[transfer_frame_payload_count].length = payloads[current_payload_index].length - current_payload_pos; |
AzureIoTClient | 6:641a9672db08 | 1600 | byte_counter -= (uint32_t)payloads[current_payload_index].length - current_payload_pos; |
AzureIoTClient | 6:641a9672db08 | 1601 | current_payload_index++; |
AzureIoTClient | 6:641a9672db08 | 1602 | current_payload_pos = 0; |
AzureIoTClient | 6:641a9672db08 | 1603 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1604 | |
AzureIoTClient | 6:641a9672db08 | 1605 | transfer_frame_payload_count++; |
AzureIoTClient | 6:641a9672db08 | 1606 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1607 | |
AzureIoTClient | 6:641a9672db08 | 1608 | if (connection_encode_frame(session_instance->endpoint, multi_transfer_amqp_value, transfer_frame_payloads, transfer_frame_payload_count, on_send_complete, callback_context) != 0) |
AzureIoTClient | 6:641a9672db08 | 1609 | { |
AzureIoTClient | 21:f9c433d8e6ca | 1610 | free(transfer_frame_payloads); |
AzureIoTClient | 6:641a9672db08 | 1611 | amqpvalue_destroy(multi_transfer_amqp_value); |
AzureIoTClient | 6:641a9672db08 | 1612 | break; |
AzureIoTClient | 6:641a9672db08 | 1613 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1614 | |
AzureIoTClient | 21:f9c433d8e6ca | 1615 | free(transfer_frame_payloads); |
AzureIoTClient | 6:641a9672db08 | 1616 | amqpvalue_destroy(multi_transfer_amqp_value); |
AzureIoTClient | 6:641a9672db08 | 1617 | payload_size -= current_transfer_frame_payload_size; |
AzureIoTClient | 6:641a9672db08 | 1618 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1619 | |
AzureIoTClient | 6:641a9672db08 | 1620 | if (payload_size > 0) |
AzureIoTClient | 6:641a9672db08 | 1621 | { |
AzureIoTClient | 6:641a9672db08 | 1622 | result = SESSION_SEND_TRANSFER_ERROR; |
AzureIoTClient | 6:641a9672db08 | 1623 | } |
AzureIoTClient | 6:641a9672db08 | 1624 | else |
AzureIoTClient | 6:641a9672db08 | 1625 | { |
AzureIoTClient | 43:4c1e4e94cdd3 | 1626 | /* Codes_S_R_S_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */ |
AzureIoTClient | 6:641a9672db08 | 1627 | session_instance->next_outgoing_id++; |
AzureIoTClient | 6:641a9672db08 | 1628 | session_instance->remote_incoming_window--; |
AzureIoTClient | 6:641a9672db08 | 1629 | session_instance->outgoing_window--; |
Azure.IoT Build | 0:6ae2f7bca550 | 1630 | |
AzureIoTClient | 6:641a9672db08 | 1631 | result = SESSION_SEND_TRANSFER_OK; |
AzureIoTClient | 6:641a9672db08 | 1632 | } |
AzureIoTClient | 6:641a9672db08 | 1633 | } |
AzureIoTClient | 6:641a9672db08 | 1634 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1635 | |
AzureIoTClient | 6:641a9672db08 | 1636 | amqpvalue_destroy(transfer_value); |
AzureIoTClient | 6:641a9672db08 | 1637 | } |
AzureIoTClient | 6:641a9672db08 | 1638 | } |
AzureIoTClient | 6:641a9672db08 | 1639 | } |
AzureIoTClient | 6:641a9672db08 | 1640 | } |
AzureIoTClient | 28:add19eb7defa | 1641 | } |
AzureIoTClient | 28:add19eb7defa | 1642 | } |
Azure.IoT Build | 0:6ae2f7bca550 | 1643 | |
AzureIoTClient | 28:add19eb7defa | 1644 | return result; |
Azure.IoT Build | 0:6ae2f7bca550 | 1645 | } |