Azure IoT
Microsoft Azure IoTHub client libraries
Dependents: sht15_remote_monitoring RobotArmDemo iothub_client_sample_amqp f767zi_mqtt ... more
This library implements the Microsoft Azure IoTHub client library. The code is replicated from https://github.com/Azure/azure-iot-sdks
Diff: iothub_client_ll_uploadtoblob.c
- Revision:
- 42:448eecc3676e
- Child:
- 45:54c11b1b1407
diff -r 6442bd02dc72 -r 448eecc3676e iothub_client_ll_uploadtoblob.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/iothub_client_ll_uploadtoblob.c Tue Jun 07 10:49:08 2016 -0700
@@ -0,0 +1,779 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#include <stdlib.h>
+#ifdef _CRTDBG_MAP_ALLOC
+#include <crtdbg.h>
+#endif
+#include <string.h>
+#include "azure_c_shared_utility/gballoc.h"
+#include "azure_c_shared_utility/string_tokenizer.h"
+#include "azure_c_shared_utility/doublylinkedlist.h"
+#include "azure_c_shared_utility/iot_logging.h"
+#include "azure_c_shared_utility/tickcounter.h"
+#include "azure_c_shared_utility/httpapiexsas.h"
+
+#include "iothub_client_ll.h"
+#include "iothub_client_private.h"
+#include "iothub_client_version.h"
+#include "iothub_transport_ll.h"
+#include "parson.h"
+#include "iothub_client_ll_uploadtoblob.h"
+#include "blob.h"
+
+/*Codes_SRS_IOTHUBCLIENT_LL_02_085: [ IoTHubClient_LL_UploadToBlob shall use the same authorization as step 1. to prepare and perform a HTTP request with the following parameters: ]*/
+#define FILE_UPLOAD_FAILED_BODY "{ \"isSuccess\":false, \"statusCode\":-1,\"statusDescription\" : \"client not able to connect with the server\" }"
+
+#define AUTHORIZATION_SCHEME_VALUES \
+ DEVICE_KEY, \
+ SAS_TOKEN
+
+DEFINE_ENUM(AUTHORIZATION_SCHEME, AUTHORIZATION_SCHEME_VALUES);
+
+typedef struct IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA_TAG
+{
+ STRING_HANDLE deviceId; /*needed for file upload*/
+ const char* hostname; /*needed for file upload*/
+ AUTHORIZATION_SCHEME authorizationScheme; /*needed for file upload*/
+ union {
+ STRING_HANDLE deviceKey; /*used when authorizationScheme is DEVICE_KEY*/
+ STRING_HANDLE sas; /*used when authorizationScheme is SAS_TOKEN*/
+ } credentials; /*needed for file upload*/
+}IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA;
+
+IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE IoTHubClient_LL_UploadToBlob_Create(const IOTHUB_CLIENT_CONFIG* config)
+{
+ IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData = malloc(sizeof(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA));
+ if (handleData == NULL)
+ {
+ LogError("oom - malloc");
+ /*return as is*/
+ }
+ else
+ {
+ size_t iotHubNameLength = strlen(config->iotHubName);
+ size_t iotHubSuffixLength = strlen(config->iotHubSuffix);
+ handleData->deviceId = STRING_construct(config->deviceId);
+ if (handleData->deviceId == NULL)
+ {
+ LogError("unable to STRING_construct");
+ free(handleData);
+ handleData = NULL;
+ }
+ else
+ {
+ handleData->hostname = malloc(iotHubNameLength + 1 + iotHubSuffixLength + 1); /*first +1 is because "." the second +1 is because \0*/
+ if (handleData->hostname == NULL)
+ {
+ LogError("malloc failed");
+ STRING_delete(handleData->deviceId);
+ free(handleData);
+ handleData = NULL;
+ }
+ else
+ {
+ memcpy((char*)handleData->hostname, config->iotHubName, iotHubNameLength);
+ ((char*)handleData->hostname)[iotHubNameLength] = '.';
+ memcpy((char*)handleData->hostname + iotHubNameLength + 1, config->iotHubSuffix, iotHubSuffixLength + 1); /*+1 will copy the \0 too*/
+ if (config->deviceSasToken != NULL)
+ {
+ handleData->authorizationScheme = SAS_TOKEN;
+ handleData->credentials.sas = STRING_construct(config->deviceSasToken);
+ if (handleData->credentials.sas == NULL)
+ {
+ LogError("unable to STRING_construct");
+ free((void*)handleData->hostname);
+ STRING_delete(handleData->deviceId);
+ free(handleData);
+ handleData = NULL;
+ }
+ else
+ {
+ /*return as is*/
+ }
+ }
+ else
+ {
+ handleData->authorizationScheme = DEVICE_KEY;
+ handleData->credentials.deviceKey = STRING_construct(config->deviceKey);
+ if (handleData->credentials.deviceKey == NULL)
+ {
+ LogError("unable to STRING_construct");
+ free((void*)handleData->hostname);
+ STRING_delete(handleData->deviceId);
+ free(handleData);
+ handleData = NULL;
+ }
+ else
+ {
+ /*return as is*/
+ }
+ }
+ }
+ }
+ }
+ return (IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE)handleData;
+
+}
+
+/*returns 0 when correlationId, sasUri contain data*/
+static int IoTHubClient_LL_UploadToBlob_step1and2(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData, HTTPAPIEX_HANDLE iotHubHttpApiExHandle, HTTP_HEADERS_HANDLE requestHttpHeaders, const char* destinationFileName,
+ STRING_HANDLE correlationId, STRING_HANDLE sasUri)
+{
+ int result;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_066: [ IoTHubClient_LL_UploadToBlob shall create an HTTP relative path formed from "/devices/" + deviceId + "/files/" + destinationFileName + "?api-version=API_VERSION". ]*/
+ STRING_HANDLE relativePath = STRING_construct("/devices/");
+ if (relativePath == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_067: [ If creating the relativePath fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_construct");
+ result = __LINE__;
+ }
+ else
+ {
+ if (!(
+ (STRING_concat_with_STRING(relativePath, handleData->deviceId) == 0) &&
+ (STRING_concat(relativePath, "/files/") == 0) &&
+ (STRING_concat(relativePath, destinationFileName) == 0) &&
+ (STRING_concat(relativePath, API_VERSION) == 0)
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_067: [ If creating the relativePath fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to concatenate STRING");
+ result = __LINE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_068: [ IoTHubClient_LL_UploadToBlob shall create an HTTP responseContent BUFFER_HANDLE. ]*/
+ BUFFER_HANDLE responseContent = BUFFER_new();
+ if (responseContent == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_069: [ If creating the HTTP response buffer handle fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __LINE__;
+ LogError("unable to BUFFER_new");
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_072: [ IoTHubClient_LL_UploadToBlob shall add the following name:value to request HTTP headers: ] "Content-Type": "application/json" "Accept": "application/json" "User-Agent": "iothubclient/" IOTHUB_SDK_VERSION*/
+ if (!(
+ (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "Content-Type", "application/json") == HTTP_HEADERS_OK) &&
+ (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
+ (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "User-Agent", "iothubclient/" IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
+ (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "Authorization", "") == HTTP_HEADERS_OK)
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_071: [ If creating the HTTP headers fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
+ result = __LINE__;
+ }
+ else
+ {
+ int wasIoTHubRequestSuccess = 0; /*!=0 means responseContent has a buffer that should be parsed by parson after executing the below switch*/
+ switch (handleData->authorizationScheme)
+ {
+ default:
+ {
+ /*wasIoTHubRequestSuccess takes care of the return value*/
+ LogError("Internal Error: unexpected value in handleData->authorizationScheme = %d", handleData->authorizationScheme);
+ break;
+ }
+ case (SAS_TOKEN):
+ {
+ const char* sasToken = STRING_c_str(handleData->credentials.sas);
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_073: [ If the credentials used to create handle have "sasToken" then IoTHubClient_LL_UploadToBlob shall add the following HTTP request headers: ]*/
+ if (HTTPHeaders_ReplaceHeaderNameValuePair(requestHttpHeaders, "Authorization", sasToken) != HTTP_HEADERS_OK)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_074: [ If adding "Authorization" fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR ]*/
+ result = __LINE__;
+ LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
+ }
+ else
+ {
+ unsigned int statusCode;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_075: [ IoTHubClient_LL_UploadToBlob shall execute HTTPAPIEX_ExecuteRequest passing the following information for arguments: ]*/
+ if (HTTPAPIEX_ExecuteRequest(
+ iotHubHttpApiExHandle, /*HTTPAPIEX_HANDLE handle - the handle created at the beginning of `IoTHubClient_LL_UploadToBlob`*/
+ HTTPAPI_REQUEST_GET, /*HTTPAPI_REQUEST_TYPE requestType - HTTPAPI_REQUEST_GET*/
+ STRING_c_str(relativePath), /*const char* relativePath - the HTTP relative path*/
+ requestHttpHeaders, /*HTTP_HEADERS_HANDLE requestHttpHeadersHandle - request HTTP headers*/
+ NULL, /*BUFFER_HANDLE requestContent - NULL*/
+ &statusCode, /*unsigned int* statusCode - the address of an unsigned int that will contain the HTTP status code*/
+ NULL, /*HTTP_HEADERS_HANDLE responseHttpHeadersHandl - NULL*/
+ responseContent /*BUFFER_HANDLE responseContent - the HTTP response BUFFER_HANDLE - responseContent*/
+ ) != HTTPAPIEX_OK)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_076: [ If HTTPAPIEX_ExecuteRequest call fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __LINE__;
+ LogError("unable to HTTPAPIEX_ExecuteRequest");
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_077: [ If HTTP statusCode is greater than or equal to 300 then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ if (statusCode >= 300)
+ {
+ result = __LINE__;
+ wasIoTHubRequestSuccess = 0;
+ LogError("HTTP code was %u", statusCode);
+ }
+ else
+ {
+ wasIoTHubRequestSuccess = 1;
+ }
+ }
+ }
+ break;
+ }
+ case(DEVICE_KEY):
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_078: [ If the credentials used to create handle have "deviceKey" then IoTHubClient_LL_UploadToBlob shall create an HTTPAPIEX_SAS_HANDLE passing as arguments: ]*/
+ STRING_HANDLE uriResource = STRING_construct(handleData->hostname);
+ if (uriResource == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_089: [ If creating the HTTPAPIEX_SAS_HANDLE fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __LINE__;
+ LogError("unable to STRING_construct");
+ }
+ else
+ {
+ if (!(
+ (STRING_concat(uriResource, "/devices/") == 0) &&
+ (STRING_concat_with_STRING(uriResource, handleData->deviceId) == 0)
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_089: [ If creating the HTTPAPIEX_SAS_HANDLE fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_concat_with_STRING");
+ result = __LINE__;
+ }
+ else
+ {
+ STRING_HANDLE empty = STRING_new();
+ if (empty == NULL)
+ {
+ LogError("unable to STRING_new");
+ result = __LINE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_089: [ If creating the HTTPAPIEX_SAS_HANDLE fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ HTTPAPIEX_SAS_HANDLE sasHandle = HTTPAPIEX_SAS_Create(handleData->credentials.deviceKey, uriResource, empty);
+ if (sasHandle == NULL)
+ {
+ LogError("unable to HTTPAPIEX_SAS_Create");
+ result = __LINE__;
+ }
+ else
+ {
+ unsigned int statusCode;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_090: [ IoTHubClient_LL_UploadToBlob shall call HTTPAPIEX_SAS_ExecuteRequest passing as arguments: ]*/
+ if (HTTPAPIEX_SAS_ExecuteRequest(
+ sasHandle, /*HTTPAPIEX_SAS_HANDLE sasHandle - the created HTTPAPIEX_SAS_HANDLE*/
+ iotHubHttpApiExHandle, /*HTTPAPIEX_HANDLE handle - the created HTTPAPIEX_HANDLE*/
+ HTTPAPI_REQUEST_GET, /*HTTPAPI_REQUEST_TYPE requestType - HTTPAPI_REQUEST_GET*/
+ STRING_c_str(relativePath), /*const char* relativePath - the HTTP relative path*/
+ requestHttpHeaders, /*HTTP_HEADERS_HANDLE requestHttpHeadersHandle - request HTTP headers*/
+ NULL, /*BUFFER_HANDLE requestContent - NULL*/
+ &statusCode, /*unsigned int* statusCode - the address of an unsigned int that will contain the HTTP status code*/
+ NULL, /*HTTP_HEADERS_HANDLE responseHeadersHandle - NULL*/
+ responseContent
+ ) != HTTPAPIEX_OK)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_079: [ If HTTPAPIEX_SAS_ExecuteRequest fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
+ result = __LINE__;
+ }
+ else
+ {
+ if (statusCode >= 300)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_080: [ If status code is greater than or equal to 300 then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __LINE__;
+ LogError("HTTP code was %u", statusCode);
+ }
+ else
+ {
+ wasIoTHubRequestSuccess = 1;
+ }
+ }
+ HTTPAPIEX_SAS_Destroy(sasHandle);
+ }
+ STRING_delete(empty);
+ }
+ }
+ STRING_delete(uriResource);
+ }
+ }
+ } /*switch*/
+
+ if (wasIoTHubRequestSuccess == 0)
+ {
+ /*do nothing, shall be reported as an error*/
+ }
+ else
+ {
+ const unsigned char*responseContent_u_char = BUFFER_u_char(responseContent);
+ size_t responseContent_length = BUFFER_length(responseContent);
+ STRING_HANDLE responseAsString = STRING_from_byte_array(responseContent_u_char, responseContent_length);
+ if (responseAsString == NULL)
+ {
+ result = __LINE__;
+ LogError("unable to get the response as string");
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_081: [ Otherwise, IoTHubClient_LL_UploadToBlob shall use parson to extract and save the following information from the response buffer: correlationID and SasUri. ]*/
+ JSON_Value* allJson = json_parse_string(STRING_c_str(responseAsString));
+ if (allJson == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_parse_string");
+ result = __LINE__;
+ }
+ else
+ {
+ JSON_Object* jsonObject = json_value_get_object(allJson);
+ if (jsonObject == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_value_get_object");
+ result = __LINE__;
+ }
+ else
+ {
+ const char* json_correlationId;
+ json_correlationId = json_object_get_string(jsonObject, "correlationId");
+ if (json_correlationId == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"correlationId\")");
+ result = __LINE__;
+ }
+ else
+ {
+ if (STRING_copy(correlationId, json_correlationId) != 0)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to copy json_correlationId");
+ result = __LINE__;
+ }
+ else
+ {
+ const char* json_hostName = json_object_get_string(jsonObject, "hostName");
+ if (json_hostName == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"hostName\")");
+ result = __LINE__;
+ }
+ else
+ {
+ const char* json_containerName = json_object_get_string(jsonObject, "containerName");
+ if (json_containerName == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"containerName\")");
+ result = __LINE__;
+ }
+ else
+ {
+ const char* json_blobName = json_object_get_string(jsonObject, "blobName");
+ if (json_blobName == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"blobName\")");
+ result = __LINE__;
+ }
+ else
+ {
+ const char* json_sasToken = json_object_get_string(jsonObject, "sasToken");
+ if (json_sasToken == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"sasToken\")");
+ result = __LINE__;
+ }
+ else
+ {
+ /*good JSON received from the service*/
+
+ if (STRING_copy(sasUri, "https://") != 0)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_copy");
+ result = __LINE__;
+ }
+ else
+ {
+ if (!(
+ (STRING_concat(sasUri, json_hostName) == 0) &&
+ (STRING_concat(sasUri, "/") == 0) &&
+ (STRING_concat(sasUri, json_containerName) == 0) &&
+ (STRING_concat(sasUri, "/") == 0) &&
+ (STRING_concat(sasUri, json_blobName) == 0) &&
+ (STRING_concat(sasUri, json_sasToken) == 0)
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_082: [ If extracting and saving the correlationId or SasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_concat");
+ result = __LINE__;
+ }
+ else
+ {
+ result = 0; /*success in step 1*/
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ json_value_free(allJson);
+ }
+ STRING_delete(responseAsString);
+ }
+ }
+ }
+ BUFFER_delete(responseContent);
+ }
+ }
+ STRING_delete(relativePath);
+ }
+
+ return result;
+}
+
+/*returns 0 when the IoTHub has been informed about the file upload status*/
+static int IoTHubClient_LL_UploadToBlob_step3(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData, STRING_HANDLE correlationId, HTTPAPIEX_HANDLE iotHubHttpApiExHandle, HTTP_HEADERS_HANDLE requestHttpHeaders, BUFFER_HANDLE messageBody)
+{
+ int result;
+ /*here is step 3. depending on the outcome of step 2 it needs to inform IoTHub about the file upload status*/
+ /*if step 1 failed, there's nothing that step 3 needs to report.*/
+ /*this POST "tries" to happen*/
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_085: [ IoTHubClient_LL_UploadToBlob shall use the same authorization as step 1. to prepare and perform a HTTP request with the following parameters: ]*/
+ STRING_HANDLE uriResource = STRING_construct(handleData->hostname);
+ if (uriResource == NULL)
+ {
+ LogError("unable to construct URI");
+ result = __LINE__;
+ }
+ else
+ {
+ if (!(
+ (STRING_concat(uriResource, "/devices/") == 0) &&
+ (STRING_concat_with_STRING(uriResource, handleData->deviceId) == 0) &&
+ (STRING_concat(uriResource, "/files/notifications") == 0)
+ ))
+ {
+ LogError("unable to STRING_concat");
+ result = __LINE__;
+ }
+ else
+ {
+ STRING_HANDLE relativePathNotification = STRING_construct("/devices/");
+ if (relativePathNotification == NULL)
+ {
+ result = __LINE__;
+ LogError("unable to STRING_construct");
+ }
+ else
+ {
+ if (!(
+ (STRING_concat_with_STRING(relativePathNotification, handleData->deviceId) == 0) &&
+ (STRING_concat(relativePathNotification, "/files/notifications/") == 0) &&
+ (STRING_concat(relativePathNotification, STRING_c_str(correlationId)) == 0) &&
+ (STRING_concat(relativePathNotification, API_VERSION) == 0)
+ ))
+ {
+ LogError("unable to STRING_concat_with_STRING");
+ result = __LINE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_086: [ If performing the HTTP request fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ switch (handleData->authorizationScheme)
+ {
+ default:
+ {
+ LogError("internal error: unknown authorization Scheme");
+ result = __LINE__;
+ break;
+ }
+ case (DEVICE_KEY):
+ {
+ STRING_HANDLE empty = STRING_new();
+ if (empty == NULL)
+ {
+ LogError("unable to STRING_new");
+ result = __LINE__;
+ }
+ else
+ {
+ HTTPAPIEX_SAS_HANDLE sasHandle = HTTPAPIEX_SAS_Create(handleData->credentials.deviceKey, uriResource, empty);
+ if (sasHandle == NULL)
+ {
+ LogError("unable to HTTPAPIEX_SAS_Create");
+ result = __LINE__;
+ }
+ else
+ {
+ unsigned int statusCode;
+ if (HTTPAPIEX_SAS_ExecuteRequest(
+ sasHandle, /*HTTPAPIEX_SAS_HANDLE sasHandle - the created HTTPAPIEX_SAS_HANDLE*/
+ iotHubHttpApiExHandle, /*HTTPAPIEX_HANDLE handle - the created HTTPAPIEX_HANDLE*/
+ HTTPAPI_REQUEST_POST, /*HTTPAPI_REQUEST_TYPE requestType - HTTPAPI_REQUEST_GET*/
+ STRING_c_str(relativePathNotification), /*const char* relativePath - the HTTP relative path*/
+ requestHttpHeaders, /*HTTP_HEADERS_HANDLE requestHttpHeadersHandle - request HTTP headers*/
+ messageBody, /*BUFFER_HANDLE requestContent*/
+ &statusCode, /*unsigned int* statusCode - the address of an unsigned int that will contain the HTTP status code*/
+ NULL, /*HTTP_HEADERS_HANDLE responseHeadersHandle - NULL*/
+ NULL
+ ) != HTTPAPIEX_OK)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_079: [ If HTTPAPIEX_SAS_ExecuteRequest fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
+ result = __LINE__;
+ ;
+ }
+ else
+ {
+ if (statusCode >= 300)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_087: [If the statusCode of the HTTP request is greater than or equal to 300 then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR]*/
+ result = __LINE__;
+ LogError("HTTP code was %u", statusCode);
+ }
+ else
+ {
+ result = 0;
+ }
+ }
+ HTTPAPIEX_SAS_Destroy(sasHandle);
+ }
+ STRING_delete(empty);
+ }
+ break;
+ }
+ case(SAS_TOKEN):
+ {
+ unsigned int notificationStatusCode;
+ if (HTTPAPIEX_ExecuteRequest(
+ iotHubHttpApiExHandle,
+ HTTPAPI_REQUEST_POST,
+ STRING_c_str(relativePathNotification),
+ requestHttpHeaders,
+ messageBody,
+ ¬ificationStatusCode,
+ NULL,
+ NULL) != HTTPAPIEX_OK)
+ {
+ LogError("unable to do HTTPAPIEX_ExecuteRequest");
+ result = __LINE__;
+ }
+ else
+ {
+ if (notificationStatusCode >= 300)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_087: [If the statusCode of the HTTP request is greater than or equal to 300 then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR]*/
+ LogError("server didn't like the notification request");
+ result = __LINE__;
+ }
+ else
+ {
+ result = 0;
+ }
+ }
+ break;
+ }
+ } /*switch authorizationScheme*/
+ }
+ STRING_delete(relativePathNotification);
+ }
+ }
+ STRING_delete(uriResource);
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_UploadToBlob_Impl(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE handle, const char* destinationFileName, const unsigned char* source, size_t size)
+{
+ IOTHUB_CLIENT_RESULT result;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_061: [ If handle is NULL then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_062: [ If destinationFileName is NULL then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_063: [ If source is NULL and size is greater than 0 then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ if (
+ (handle == NULL) ||
+ (destinationFileName == NULL) ||
+ ((source == NULL) && (size > 0)) ||
+ (size >= 64*1024*1024)
+ )
+ {
+ LogError("invalid argument detected handle=%p destinationFileName=%p source=%p size=%zu", handle, destinationFileName, source, size);
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA*)handle;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_064: [ IoTHubClient_LL_UploadToBlob shall create an HTTPAPIEX_HANDLE to the IoTHub hostname. ]*/
+ HTTPAPIEX_HANDLE iotHubHttpApiExHandle = HTTPAPIEX_Create(handleData->hostname);
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_065: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ if (iotHubHttpApiExHandle == NULL)
+ {
+ LogError("unable to HTTPAPIEX_Create");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ STRING_HANDLE correlationId = STRING_new();
+ if (correlationId == NULL)
+ {
+ LogError("unable to STRING_new");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ STRING_HANDLE sasUri = STRING_new();
+ if (sasUri == NULL)
+ {
+ LogError("unable to STRING_new");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_070: [ IoTHubClient_LL_UploadToBlob shall create request HTTP headers. ]*/
+ HTTP_HEADERS_HANDLE requestHttpHeaders = HTTPHeaders_Alloc(); /*these are build by step 1 and used by step 3 too*/
+ if (requestHttpHeaders == NULL)
+ {
+ LogError("unable to HTTPHeaders_Alloc");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*do step 1*/
+ if (IoTHubClient_LL_UploadToBlob_step1and2(handleData, iotHubHttpApiExHandle, requestHttpHeaders, destinationFileName, correlationId, sasUri) != 0)
+ {
+ LogError("error in IoTHubClient_LL_UploadToBlob_step1");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*do step 2.*/
+
+ unsigned int httpResponse;
+ BUFFER_HANDLE responseToIoTHub = BUFFER_new();
+ if (responseToIoTHub == NULL)
+ {
+ result = IOTHUB_CLIENT_ERROR;
+ LogError("unable to BUFFER_new");
+ }
+ else
+ {
+ int step2success;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_083: [ IoTHubClient_LL_UploadToBlob shall call Blob_UploadFromSasUri and capture the HTTP return code and HTTP body. ]*/
+ step2success = (Blob_UploadFromSasUri(STRING_c_str(sasUri), source, size, &httpResponse, responseToIoTHub) == BLOB_OK);
+ if (!step2success)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_084: [ If Blob_UploadFromSasUri fails then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to Blob_UploadFromSasUri");
+
+ /*do step 3*/ /*try*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_091: [ If step 2 fails without establishing an HTTP dialogue, then the HTTP message body shall look like: ]*/
+ if (BUFFER_build(responseToIoTHub, (const unsigned char*)FILE_UPLOAD_FAILED_BODY, sizeof(FILE_UPLOAD_FAILED_BODY) / sizeof(FILE_UPLOAD_FAILED_BODY[0])) == 0)
+ {
+ if (IoTHubClient_LL_UploadToBlob_step3(handleData, correlationId, iotHubHttpApiExHandle, requestHttpHeaders, responseToIoTHub) != 0)
+ {
+ LogError("IoTHubClient_LL_UploadToBlob_step3 failed");
+ }
+ }
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*must make a json*/
+
+ int requiredStringLength = snprintf(NULL, 0, "{\"isSuccess\":%s, \"statusCode\":%d, \"statusDescription\":\"%s\"}", ((httpResponse < 300) ? "true" : "false"), httpResponse, BUFFER_u_char(responseToIoTHub));
+
+ char* requiredString = malloc(requiredStringLength + 1);
+ if (requiredString == 0)
+ {
+ LogError("unable to malloc");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*do again snprintf*/
+ (void)snprintf(requiredString, requiredStringLength + 1, "{\"isSuccess\":%s, \"statusCode\":%d, \"statusDescription\":\"%s\"}", ((httpResponse < 300) ? "true" : "false"), httpResponse, BUFFER_u_char(responseToIoTHub));
+ BUFFER_HANDLE toBeTransmitted = BUFFER_create(requiredString, requiredStringLength);
+ if (toBeTransmitted == NULL)
+ {
+ LogError("unable to BUFFER_create");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ if (IoTHubClient_LL_UploadToBlob_step3(handleData, correlationId, iotHubHttpApiExHandle, requestHttpHeaders, toBeTransmitted) != 0)
+ {
+ LogError("IoTHubClient_LL_UploadToBlob_step3 failed");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ result = (httpResponse < 300) ? IOTHUB_CLIENT_OK : IOTHUB_CLIENT_ERROR;
+ }
+ BUFFER_delete(toBeTransmitted);
+ }
+ free(requiredString);
+ }
+ }
+ BUFFER_delete(responseToIoTHub);
+ }
+ }
+ HTTPHeaders_Free(requestHttpHeaders);
+ }
+ STRING_delete(sasUri);
+ }
+ STRING_delete(correlationId);
+ }
+ HTTPAPIEX_Destroy(iotHubHttpApiExHandle);
+ }
+ }
+ return result;
+}
+
+void IoTHubClient_LL_UploadToBlob_Destroy(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE handle)
+{
+ if (handle == NULL)
+ {
+ LogError("unexepected NULL argument");
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA*)handle;
+ switch (handleData->authorizationScheme)
+ {
+ case(SAS_TOKEN):
+ {
+ STRING_delete(handleData->credentials.sas);
+ break;
+ }
+ case(DEVICE_KEY):
+ {
+ STRING_delete(handleData->credentials.deviceKey);
+ break;
+ }
+ default:
+ {
+ LogError("INTERNAL ERROR");
+ break;
+ }
+ }
+ free((void*)handleData->hostname);
+ STRING_delete(handleData->deviceId);
+ free(handleData);
+ }
+}
