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
iothub_client_ll_uploadtoblob.c
- Committer:
- Azure.IoT Build
- Date:
- 2016-07-01
- Revision:
- 45:54c11b1b1407
- Parent:
- 42:448eecc3676e
- Child:
- 46:6a69294b6119
File content as of revision 45:54c11b1b1407:
// Copyright (c) Microsoft. All rights reserved. // Licensed under the MIT license. See LICENSE file in the project root for full license information. #ifdef DONT_USE_UPLOADTOBLOB #error "trying to compile iothub_client_ll_uploadtoblob.c while the symbol DONT_USE_UPLOADTOBLOB is #define'd" #else #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/xlogging.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)) ) { 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); } } #endif /*DONT_USE_UPLOADTOBLOB*/