Xin Zhang
/
azure-iot-c-sdk-f767zi
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Diff: iothub_client/src/iothub_client_ll_uploadtoblob.c
- Revision:
- 0:f7f1f0d76dd6
diff -r 000000000000 -r f7f1f0d76dd6 iothub_client/src/iothub_client_ll_uploadtoblob.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/iothub_client/src/iothub_client_ll_uploadtoblob.c Thu Aug 23 06:52:14 2018 +0000
@@ -0,0 +1,1328 @@
+// 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>
+#include <string.h>
+#include "azure_c_shared_utility/optimize_size.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 "azure_c_shared_utility/shared_util_options.h"
+#include "azure_c_shared_utility/urlencode.h"
+
+#include "iothub_client_core_ll.h"
+#include "iothub_client_options.h"
+#include "internal/iothub_client_private.h"
+#include "iothub_client_version.h"
+#include "iothub_transport_ll.h"
+#include "parson.h"
+#include "internal/iothub_client_ll_uploadtoblob.h"
+#include "internal/blob.h"
+
+#ifdef WINCE
+#include <stdarg.h>
+// Returns number of characters copied.
+int snprintf(char * s, size_t n, const char * format, ...)
+{
+ int result;
+ va_list args;
+ va_start(args, format);
+ result = vsnprintf(s, n, format, args);
+ va_end(args);
+ return result;
+}
+#endif
+
+
+/*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 FILE_UPLOAD_ABORTED_BODY "{ \"isSuccess\":false, \"statusCode\":-1,\"statusDescription\" : \"file upload aborted\" }"
+
+#define AUTHORIZATION_SCHEME_VALUES \
+ DEVICE_KEY, \
+ X509, \
+ SAS_TOKEN
+DEFINE_ENUM(AUTHORIZATION_SCHEME, AUTHORIZATION_SCHEME_VALUES);
+
+typedef struct UPLOADTOBLOB_X509_CREDENTIALS_TAG
+{
+ const char* x509certificate;
+ const char* x509privatekey;
+}UPLOADTOBLOB_X509_CREDENTIALS;
+
+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*/
+ UPLOADTOBLOB_X509_CREDENTIALS x509credentials; /*assumed to be used when both deviceKey and deviceSasToken are NULL*/
+ } credentials; /*needed for file upload*/
+ char* certificates; /*if there are any certificates used*/
+ HTTP_PROXY_OPTIONS http_proxy_options;
+ size_t curl_verbose;
+ size_t blob_upload_timeout_secs;
+}IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA;
+
+typedef struct BLOB_UPLOAD_CONTEXT_TAG
+{
+ const unsigned char* blobSource; /* source to upload */
+ size_t blobSourceSize; /* size of the source */
+ size_t remainingSizeToUpload; /* size not yet uploaded */
+}BLOB_UPLOAD_CONTEXT;
+
+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
+ {
+ char* insert_pos = (char*)handleData->hostname;
+ (void)memcpy((char*)insert_pos, config->iotHubName, iotHubNameLength);
+ insert_pos += iotHubNameLength;
+ *insert_pos = '.';
+ insert_pos += 1;
+ (void)memcpy(insert_pos, config->iotHubSuffix, iotHubSuffixLength); /*+1 will copy the \0 too*/
+ insert_pos += iotHubSuffixLength;
+ *insert_pos = '\0';
+
+ handleData->certificates = NULL;
+ memset(&(handleData->http_proxy_options), 0, sizeof(HTTP_PROXY_OPTIONS));
+ handleData->curl_verbose = 0;
+ handleData->blob_upload_timeout_secs = 0;
+
+ if ((config->deviceSasToken != NULL) && (config->deviceKey == 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 if ((config->deviceSasToken == NULL) && (config->deviceKey != NULL))
+ {
+ 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*/
+ }
+ }
+ else if ((config->deviceSasToken == NULL) && (config->deviceKey == NULL))
+ {
+ handleData->authorizationScheme = X509;
+ handleData->credentials.x509credentials.x509certificate = NULL;
+ handleData->credentials.x509credentials.x509privatekey = NULL;
+ /*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_UploadMultipleBlocksToBlob(Ex) shall create an HTTP relative path formed from "/devices/" + deviceId + "/files/" + "?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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_construct");
+ result = __FAILURE__;
+ }
+ else
+ {
+ if (!(
+ (STRING_concat_with_STRING(relativePath, handleData->deviceId) == 0) &&
+ (STRING_concat(relativePath, "/files") == 0) &&
+ (STRING_concat(relativePath, API_VERSION) == 0)
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_067: [ If creating the relativePath fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to concatenate STRING");
+ result = __FAILURE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_001: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall create a JSON string formed from "{ \"blobName\": \" + destinationFileName + "\" }" */
+ STRING_HANDLE blobName = STRING_construct("{ \"blobName\": \"");
+ if (blobName == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_002: [ If creating the JSON string fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_construct");
+ result = __FAILURE__;
+ }
+ else
+ {
+ if (!(
+ (STRING_concat(blobName, destinationFileName) == 0) &&
+ (STRING_concat(blobName, "\" }") == 0)
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_002: [ If creating the JSON string fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to concatenate STRING");
+ result = __FAILURE__;
+ }
+ else
+ {
+ size_t len = STRING_length(blobName);
+ BUFFER_HANDLE blobBuffer = BUFFER_create((const unsigned char *)STRING_c_str(blobName), len);
+
+ if (blobBuffer == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_002: [ If creating the JSON string fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to create BUFFER");
+ result = __FAILURE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_068: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __FAILURE__;
+ LogError("unable to BUFFER_new");
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_072: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall add the following name:value to request HTTP headers: ] "Content-Type": "application/json" "Accept": "application/json" "User-Agent": "iothubclient/" IOTHUB_SDK_VERSION*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_107: [ - "Authorization" header shall not be build. ]*/
+ 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) &&
+ (handleData->authorizationScheme == X509 || (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "Authorization", "") == HTTP_HEADERS_OK))
+ ))
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_071: [ If creating the HTTP headers fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
+ result = __FAILURE__;
+ }
+ else
+ {
+ int wasIoTHubRequestSuccess = 0; /*!=0 means responseContent has a buffer that should be parsed by parson after executing the below switch*/
+ /* set the result to error by default */
+ result = __FAILURE__;
+ switch (handleData->authorizationScheme)
+ {
+ default:
+ {
+ /*wasIoTHubRequestSuccess takes care of the return value*/
+ LogError("Internal Error: unexpected value in handleData->authorizationScheme = %d", handleData->authorizationScheme);
+ result = __FAILURE__;
+ break;
+ }
+ case(X509):
+ {
+ unsigned int statusCode;
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_003: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex)`*/
+ HTTPAPI_REQUEST_POST, /*HTTPAPI_REQUEST_TYPE requestType - HTTPAPI_REQUEST_POST*/
+ STRING_c_str(relativePath), /*const char* relativePath - the HTTP relative path*/
+ requestHttpHeaders, /*HTTP_HEADERS_HANDLE requestHttpHeadersHandle - request HTTP headers*/
+ blobBuffer, /*BUFFER_HANDLE requestContent - address of JSON with optional/directory/tree/filename*/
+ &statusCode, /*unsigned int* statusCode - the address of an unsigned int that will contain the HTTP status code*/
+ NULL, /*HTTP_HEADERS_HANDLE responseHttpHeadersHandle - 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __FAILURE__;
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ if (statusCode >= 300)
+ {
+ result = __FAILURE__;
+ LogError("HTTP code was %u", statusCode);
+ }
+ else
+ {
+ wasIoTHubRequestSuccess = 1;
+ }
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR ]*/
+ result = __FAILURE__;
+ LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
+ }
+ else
+ {
+ unsigned int statusCode;
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_004: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex)`*/
+ HTTPAPI_REQUEST_POST, /*HTTPAPI_REQUEST_TYPE requestType - HTTPAPI_REQUEST_POST*/
+ STRING_c_str(relativePath), /*const char* relativePath - the HTTP relative path*/
+ requestHttpHeaders, /*HTTP_HEADERS_HANDLE requestHttpHeadersHandle - request HTTP headers*/
+ blobBuffer, /*BUFFER_HANDLE requestContent - address of JSON with optional/directory/tree/filename*/
+ &statusCode, /*unsigned int* statusCode - the address of an unsigned int that will contain the HTTP status code*/
+ NULL, /*HTTP_HEADERS_HANDLE responseHttpHeadersHandle - 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __FAILURE__;
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ if (statusCode >= 300)
+ {
+ result = __FAILURE__;
+ 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_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __FAILURE__;
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_concat_with_STRING");
+ result = __FAILURE__;
+ }
+ else
+ {
+ STRING_HANDLE empty = STRING_new();
+ if (empty == NULL)
+ {
+ LogError("unable to STRING_new");
+ result = __FAILURE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_089: [ If creating the HTTPAPIEX_SAS_HANDLE fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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 = __FAILURE__;
+ }
+ else
+ {
+ unsigned int statusCode;
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_005: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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_POST, /*HTTPAPI_REQUEST_TYPE requestType - HTTPAPI_REQUEST_POST*/
+ STRING_c_str(relativePath), /*const char* relativePath - the HTTP relative path*/
+ requestHttpHeaders, /*HTTP_HEADERS_HANDLE requestHttpHeadersHandle - request HTTP headers*/
+ blobBuffer, /*BUFFER_HANDLE requestContent - address of JSON with optional/directory/tree/filename*/
+ &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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
+ result = __FAILURE__;
+ }
+ else
+ {
+ if (statusCode >= 300)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_080: [ If status code is greater than or equal to 300 then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ result = __FAILURE__;
+ 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 = __FAILURE__;
+ LogError("unable to get the response as string");
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_081: [ Otherwise, IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_parse_string");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_value_get_object");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"correlationId\")");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to copy json_correlationId");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"hostName\")");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"containerName\")");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"blobName\")");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to json_object_get_string(jsonObject, \"sasToken\")");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_copy");
+ result = __FAILURE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_008: [ The returned file name shall be URL encoded before passing back to the cloud. ]*/
+ STRING_HANDLE fileName = URL_EncodeString(json_blobName);
+
+ if (fileName == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_009: [ If URL_EncodeString fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to URL_EncodeString of filename");
+ result = __FAILURE__;
+ }
+
+ 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, STRING_c_str(fileName)) == 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to STRING_concat");
+ result = __FAILURE__;
+ }
+ else
+ {
+ result = 0; /*success in step 1*/
+ }
+
+ STRING_delete(fileName);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ json_value_free(allJson);
+ }
+ STRING_delete(responseAsString);
+ }
+ }
+ }
+ BUFFER_delete(responseContent);
+ }
+ BUFFER_delete(blobBuffer);
+ }
+ }
+ STRING_delete(blobName);
+ }
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) 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 = __FAILURE__;
+ }
+ 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 = __FAILURE__;
+ }
+ else
+ {
+ STRING_HANDLE relativePathNotification = STRING_construct("/devices/");
+ if (relativePathNotification == NULL)
+ {
+ result = __FAILURE__;
+ 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 = __FAILURE__;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_086: [ If performing the HTTP request fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ switch (handleData->authorizationScheme)
+ {
+ default:
+ {
+ LogError("internal error: unknown authorization Scheme");
+ result = __FAILURE__;
+ break;
+ }
+ case (X509):
+ {
+ 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 = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR]*/
+ LogError("server didn't like the notification request");
+ result = __FAILURE__;
+ }
+ else
+ {
+ result = 0;
+ }
+ }
+ break;
+ }
+ case (DEVICE_KEY):
+ {
+ STRING_HANDLE empty = STRING_new();
+ if (empty == NULL)
+ {
+ LogError("unable to STRING_new");
+ result = __FAILURE__;
+ }
+ else
+ {
+ HTTPAPIEX_SAS_HANDLE sasHandle = HTTPAPIEX_SAS_Create(handleData->credentials.deviceKey, uriResource, empty);
+ if (sasHandle == NULL)
+ {
+ LogError("unable to HTTPAPIEX_SAS_Create");
+ result = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
+ result = __FAILURE__;
+ ;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR]*/
+ result = __FAILURE__;
+ 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 = __FAILURE__;
+ }
+ 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR]*/
+ LogError("server didn't like the notification request");
+ result = __FAILURE__;
+ }
+ else
+ {
+ result = 0;
+ }
+ }
+ break;
+ }
+ } /*switch authorizationScheme*/
+ }
+ STRING_delete(relativePathNotification);
+ }
+ }
+ STRING_delete(uriResource);
+ }
+ return result;
+}
+
+// this callback splits the source data into blocks to be fed to IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex)_Impl
+static IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_RESULT FileUpload_GetData_Callback(IOTHUB_CLIENT_FILE_UPLOAD_RESULT result, unsigned char const ** data, size_t* size, void* context)
+{
+ BLOB_UPLOAD_CONTEXT* uploadContext = (BLOB_UPLOAD_CONTEXT*) context;
+
+ if (data == NULL || size == NULL)
+ {
+ // This is the last call, nothing to do
+ }
+ else if (result != FILE_UPLOAD_OK)
+ {
+ // Last call failed
+ *data = NULL;
+ *size = 0;
+ }
+ else if (uploadContext->remainingSizeToUpload == 0)
+ {
+ // Everything has been uploaded
+ *data = NULL;
+ *size = 0;
+ }
+ else
+ {
+ // Upload next block
+ size_t thisBlockSize = (uploadContext->remainingSizeToUpload > BLOCK_SIZE) ? BLOCK_SIZE : uploadContext->remainingSizeToUpload;
+ *data = (unsigned char*)uploadContext->blobSource + (uploadContext->blobSourceSize - uploadContext->remainingSizeToUpload);
+ *size = thisBlockSize;
+ uploadContext->remainingSizeToUpload -= thisBlockSize;
+ }
+
+ return IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_OK;
+}
+
+static HTTPAPIEX_RESULT set_transfer_timeout(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData, HTTPAPIEX_HANDLE iotHubHttpApiExHandle)
+{
+ HTTPAPIEX_RESULT result;
+ if (handleData->blob_upload_timeout_secs != 0)
+ {
+ // Convert the timeout to milliseconds for curl
+ long http_timeout = (long)handleData->blob_upload_timeout_secs * 1000;
+ result = HTTPAPIEX_SetOption(iotHubHttpApiExHandle, OPTION_HTTP_TIMEOUT, &http_timeout);
+ }
+ else
+ {
+ result = HTTPAPIEX_OK;
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_UploadMultipleBlocksToBlob_Impl(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE handle, const char* destinationFileName, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK_EX getDataCallbackEx, void* context)
+{
+ IOTHUB_CLIENT_RESULT result;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_061: [ If handle is NULL then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_062: [ If destinationFileName is NULL then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/
+
+ if (
+ (handle == NULL) ||
+ (destinationFileName == NULL) ||
+ (getDataCallbackEx == NULL)
+ )
+ {
+ LogError("invalid argument detected handle=%p destinationFileName=%p getDataCallbackEx=%p", handle, destinationFileName, getDataCallbackEx);
+ 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_UploadMultipleBlocksToBlob(Ex) 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_UploadMultipleBlocksToBlob(Ex) shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ if (iotHubHttpApiExHandle == NULL)
+ {
+ LogError("unable to HTTPAPIEX_Create");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ /*Codes_SRS_IOTHUBCLIENT_LL_30_020: [ If the blob_upload_timeout_secs option has been set to non-zero, IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall set the timeout on the underlying transport accordingly. ]*/
+ else if (set_transfer_timeout(handleData, iotHubHttpApiExHandle) != HTTPAPIEX_OK)
+ {
+ LogError("unable to set blob transfer timeout");
+ result = IOTHUB_CLIENT_ERROR;
+
+ }
+ else
+ {
+ (void)HTTPAPIEX_SetOption(iotHubHttpApiExHandle, OPTION_CURL_VERBOSE, &handleData->curl_verbose);
+
+ if (
+ (handleData->authorizationScheme == X509) &&
+
+ /*transmit the x509certificate and x509privatekey*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_106: [ - x509certificate and x509privatekey saved options shall be passed on the HTTPAPIEX_SetOption ]*/
+ (!(
+ (HTTPAPIEX_SetOption(iotHubHttpApiExHandle, OPTION_X509_CERT, handleData->credentials.x509credentials.x509certificate) == HTTPAPIEX_OK) &&
+ (HTTPAPIEX_SetOption(iotHubHttpApiExHandle, OPTION_X509_PRIVATE_KEY, handleData->credentials.x509credentials.x509privatekey) == HTTPAPIEX_OK)
+ ))
+ )
+ {
+ LogError("unable to HTTPAPIEX_SetOption for x509");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_111: [ If certificates is non-NULL then certificates shall be passed to HTTPAPIEX_SetOption with optionName TrustedCerts. ]*/
+ if ((handleData->certificates != NULL) && (HTTPAPIEX_SetOption(iotHubHttpApiExHandle, "TrustedCerts", handleData->certificates) != HTTPAPIEX_OK))
+ {
+ LogError("unable to set TrustedCerts!");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+
+ if (handleData->http_proxy_options.host_address != NULL)
+ {
+ HTTP_PROXY_OPTIONS proxy_options;
+ proxy_options = handleData->http_proxy_options;
+
+ if (HTTPAPIEX_SetOption(iotHubHttpApiExHandle, OPTION_HTTP_PROXY, &proxy_options) != HTTPAPIEX_OK)
+ {
+ LogError("unable to set http proxy!");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ else
+ {
+ result = IOTHUB_CLIENT_OK;
+ }
+
+ if (result != IOTHUB_CLIENT_ERROR)
+ {
+ 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_UploadMultipleBlocksToBlob(Ex) 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
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_083: [ IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) shall call Blob_UploadFromSasUri and capture the HTTP return code and HTTP body. ]*/
+ BLOB_RESULT uploadMultipleBlocksResult = Blob_UploadMultipleBlocksFromSasUri(STRING_c_str(sasUri), getDataCallbackEx, context, &httpResponse, responseToIoTHub, handleData->certificates, &(handleData->http_proxy_options));
+ if (uploadMultipleBlocksResult == BLOB_ABORTED)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_99_008: [ If step 2 is aborted by the client, then the HTTP message body shall look like: ]*/
+ LogInfo("Blob_UploadFromSasUri aborted file upload");
+
+ if (BUFFER_build(responseToIoTHub, (const unsigned char*)FILE_UPLOAD_ABORTED_BODY, sizeof(FILE_UPLOAD_ABORTED_BODY) / sizeof(FILE_UPLOAD_ABORTED_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
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_99_009: [ If step 2 is aborted by the client and if step 3 succeeds, then `IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex)` shall return `IOTHUB_CLIENT_OK`. ] */
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ else
+ {
+ LogError("Unable to BUFFER_build, can't perform IoTHubClient_LL_UploadToBlob_step3");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ }
+ else if (uploadMultipleBlocksResult != BLOB_OK)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_084: [ If Blob_UploadFromSasUri fails then IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex) 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*/
+ BUFFER_HANDLE toBeTransmitted = NULL;
+ (void)snprintf(requiredString, requiredStringLength + 1, "{\"isSuccess\":%s, \"statusCode\":%d, \"statusDescription\":\"%s\"}", ((httpResponse < 300) ? "true" : "false"), httpResponse, BUFFER_u_char(responseToIoTHub));
+ toBeTransmitted = BUFFER_create((const unsigned char*)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);
+ }
+ }
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_99_003: [ If `IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex)` return `IOTHUB_CLIENT_OK`, it shall call `getDataCallbackEx` with `result` set to `FILE_UPLOAD_OK`, and `data` and `size` set to NULL. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_99_004: [ If `IoTHubClient_LL_UploadMultipleBlocksToBlob(Ex)` does not return `IOTHUB_CLIENT_OK`, it shall call `getDataCallbackEx` with `result` set to `FILE_UPLOAD_ERROR`, and `data` and `size` set to NULL. ]*/
+ (void)getDataCallbackEx(result == IOTHUB_CLIENT_OK ? FILE_UPLOAD_OK : FILE_UPLOAD_ERROR, NULL, NULL, context);
+
+ 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_063: [ If source is NULL and size is greater than 0 then IoTHubClient_LL_UploadToBlob shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ if (source == NULL && size > 0)
+ {
+ LogError("invalid source and size combination: source=%p size=%lu", source, size);
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_99_001: [ `IoTHubClient_LL_UploadToBlob` shall create a struct containing the `source`, the `size`, and the remaining size to upload.]*/
+ BLOB_UPLOAD_CONTEXT context;
+ context.blobSource = source;
+ context.blobSourceSize = size;
+ context.remainingSizeToUpload = size;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_99_002: [ `IoTHubClient_LL_UploadToBlob` shall call `IoTHubClient_LL_UploadMultipleBlocksToBlob_Impl` with `FileUpload_GetData_Callback` as `getDataCallbackEx` and pass the struct created at step SRS_IOTHUBCLIENT_LL_99_001 as `context` ]*/
+ result = IoTHubClient_LL_UploadMultipleBlocksToBlob_Impl(handle, destinationFileName, FileUpload_GetData_Callback, &context);
+ }
+ return result;
+}
+
+void IoTHubClient_LL_UploadToBlob_Destroy(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE handle)
+{
+ if (handle == NULL)
+ {
+ LogError("unexpected 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;
+ }
+ case(X509):
+ {
+ if (handleData->credentials.x509credentials.x509certificate != NULL)
+ {
+ free((void*)handleData->credentials.x509credentials.x509certificate);
+ }
+ if (handleData->credentials.x509credentials.x509privatekey != NULL)
+ {
+ free((void*)handleData->credentials.x509credentials.x509privatekey);
+ }
+ break;
+ }
+ default:
+ {
+ LogError("INTERNAL ERROR");
+ break;
+ }
+ }
+ free((void*)handleData->hostname);
+ STRING_delete(handleData->deviceId);
+ if (handleData->certificates != NULL)
+ {
+ free(handleData->certificates);
+ }
+ if (handleData->http_proxy_options.host_address != NULL)
+ {
+ free((char *)handleData->http_proxy_options.host_address);
+ }
+ if (handleData->http_proxy_options.username != NULL)
+ {
+ free((char *)handleData->http_proxy_options.username);
+ }
+ if (handleData->http_proxy_options.password != NULL)
+ {
+ free((char *)handleData->http_proxy_options.password);
+ }
+ free(handleData);
+ }
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_UploadToBlob_SetOption(IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE handle, const char* optionName, const void* value)
+{
+ IOTHUB_CLIENT_RESULT result;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_110: [ If parameter handle is NULL then IoTHubClient_LL_UploadToBlob_SetOption shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ if (handle == NULL)
+ {
+ LogError("invalid argument detected: IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE handle=%p, const char* optionName=%s, const void* value=%p", handle, optionName, value);
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA*)handle;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_100: [ x509certificate - then value then is a null terminated string that contains the x509 certificate. ]*/
+ if (strcmp(optionName, OPTION_X509_CERT) == 0)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_109: [ If the authentication scheme is NOT x509 then IoTHubClient_LL_UploadToBlob_SetOption shall return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ if (handleData->authorizationScheme != X509)
+ {
+ LogError("trying to set a x509 certificate while the authentication scheme is not x509");
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_103: [ The options shall be saved. ]*/
+ /*try to make a copy of the certificate*/
+ char* temp;
+ if (mallocAndStrcpy_s(&temp, value) != 0)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_104: [ If saving fails, then IoTHubClient_LL_UploadToBlob_SetOption shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to mallocAndStrcpy_s");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_105: [ Otherwise IoTHubClient_LL_UploadToBlob_SetOption shall succeed and return IOTHUB_CLIENT_OK. ]*/
+ if (handleData->credentials.x509credentials.x509certificate != NULL) /*free any previous values, if any*/
+ {
+ free((void*)handleData->credentials.x509credentials.x509certificate);
+ }
+ handleData->credentials.x509credentials.x509certificate = temp;
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ }
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_101: [ x509privatekey - then value is a null terminated string that contains the x509 privatekey. ]*/
+ else if (strcmp(optionName, OPTION_X509_PRIVATE_KEY) == 0)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_109: [ If the authentication scheme is NOT x509 then IoTHubClient_LL_UploadToBlob_SetOption shall return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ if (handleData->authorizationScheme != X509)
+ {
+ LogError("trying to set a x509 privatekey while the authentication scheme is not x509");
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_103: [ The options shall be saved. ]*/
+ /*try to make a copy of the privatekey*/
+ char* temp;
+ if (mallocAndStrcpy_s(&temp, value) != 0)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_104: [ If saving fails, then IoTHubClient_LL_UploadToBlob_SetOption shall fail and return IOTHUB_CLIENT_ERROR. ]*/
+ LogError("unable to mallocAndStrcpy_s");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_105: [ Otherwise IoTHubClient_LL_UploadToBlob_SetOption shall succeed and return IOTHUB_CLIENT_OK. ]*/
+ if (handleData->credentials.x509credentials.x509privatekey != NULL) /*free any previous values, if any*/
+ {
+ free((void*)handleData->credentials.x509credentials.x509privatekey);
+ }
+ handleData->credentials.x509credentials.x509privatekey = temp;
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ }
+ else if (strcmp(OPTION_TRUSTED_CERT, optionName) == 0)
+ {
+ if (value == NULL)
+ {
+ LogError("NULL is a not a valid value for TrustedCerts");
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ else
+ {
+ char* tempCopy;
+ if (mallocAndStrcpy_s(&tempCopy, value) != 0)
+ {
+ LogError("failure in mallocAndStrcpy_s");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ if (handleData->certificates != NULL)
+ {
+ free(handleData->certificates);
+ }
+ handleData->certificates = tempCopy;
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ }
+ /*Codes_SRS_IOTHUBCLIENT_LL_32_008: [ OPTION_HTTP_PROXY - then the value will be a pointer to HTTP_PROXY_OPTIONS structure. ]*/
+ else if (strcmp(optionName, OPTION_HTTP_PROXY) == 0)
+ {
+ HTTP_PROXY_OPTIONS* proxy_options = (HTTP_PROXY_OPTIONS *)value;
+
+ if (proxy_options->host_address == NULL)
+ {
+ /* Codes_SRS_IOTHUBCLIENT_LL_32_006: [ If `host_address` is NULL, `IoTHubClient_LL_UploadToBlob_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
+ LogError("NULL host_address in proxy options");
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ /* Codes_SRS_IOTHUBCLIENT_LL_32_007: [ If only one of `username` and `password` is NULL, `IoTHubClient_LL_UploadToBlob_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
+ else if (((proxy_options->username == NULL) || (proxy_options->password == NULL)) &&
+ (proxy_options->username != proxy_options->password))
+ {
+ LogError("Only one of username and password for proxy settings was NULL");
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ else
+ {
+ if (handleData->http_proxy_options.host_address != NULL)
+ {
+ free((char *)handleData->http_proxy_options.host_address);
+ handleData->http_proxy_options.host_address = NULL;
+ }
+ if (handleData->http_proxy_options.username != NULL)
+ {
+ free((char *)handleData->http_proxy_options.username);
+ handleData->http_proxy_options.username = NULL;
+ }
+ if (handleData->http_proxy_options.password != NULL)
+ {
+ free((char *)handleData->http_proxy_options.password);
+ handleData->http_proxy_options.password = NULL;
+ }
+
+ handleData->http_proxy_options.port = proxy_options->port;
+
+ if (mallocAndStrcpy_s((char **)(&handleData->http_proxy_options.host_address), proxy_options->host_address) != 0)
+ {
+ LogError("failure in mallocAndStrcpy_s - handleData->http_proxy_options.host_address");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else if (proxy_options->username != NULL && mallocAndStrcpy_s((char **)(&handleData->http_proxy_options.username), proxy_options->username) != 0)
+ {
+ LogError("failure in mallocAndStrcpy_s - handleData->http_proxy_options.username");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else if (proxy_options->password != NULL && mallocAndStrcpy_s((char **)(&handleData->http_proxy_options.password), proxy_options->password) != 0)
+ {
+ LogError("failure in mallocAndStrcpy_s - handleData->http_proxy_options.password");
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ else
+ {
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ }
+ else if (strcmp(optionName, OPTION_CURL_VERBOSE) == 0)
+ {
+ handleData->curl_verbose = *(size_t*)value;
+ result = IOTHUB_CLIENT_OK;
+ }
+ else if (strcmp(optionName, OPTION_BLOB_UPLOAD_TIMEOUT_SECS) == 0)
+ {
+ handleData->blob_upload_timeout_secs = *(size_t*)value;
+ result = IOTHUB_CLIENT_OK;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_102: [ If an unknown option is presented then IoTHubClient_LL_UploadToBlob_SetOption shall return IOTHUB_CLIENT_INVALID_ARG. ]*/
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ }
+ }
+ return result;
+}
+
+
+#endif /*DONT_USE_UPLOADTOBLOB*/
+
+