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(Unicode C) Azure Storage Blob Simple UploadDemonstrates the simplest possible upload to Azure Storage. The contents of a string variable are uploaded to a blob file in Azure Cloud Storage.
#include <C_CkRestW.h> #include <C_CkAuthAzureStorageW.h> void ChilkatSample(void) { HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; BOOL success; HCkAuthAzureStorageW azAuth; const wchar_t *responseStr; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rest = CkRestW_Create(); // Connect to the Azure Storage Blob Service bTls = TRUE; port = 443; bAutoReconnect = TRUE; // In this example, the storage account name is "chilkat". success = CkRestW_Connect(rest,L"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); return; } // Provide Azure Cloud credentials for the REST call. azAuth = CkAuthAzureStorageW_Create(); CkAuthAzureStorageW_putAccessKey(azAuth,L"AZURE_ACCESS_KEY"); // The account name used here should match the 1st part of the domain passed in the call to Connect (above). CkAuthAzureStorageW_putAccount(azAuth,L"chilkat"); CkAuthAzureStorageW_putScheme(azAuth,L"SharedKey"); CkAuthAzureStorageW_putService(azAuth,L"Blob"); // This causes the "x-ms-version: 2020-08-04" header to be automatically added. CkAuthAzureStorageW_putXMsVersion(azAuth,L"2020-08-04"); success = CkRestW_SetAuthAzureStorage(rest,azAuth); // Set some request headers. success = CkRestW_AddHeader(rest,L"x-ms-blob-content-disposition",L"attachment; filename=\"helloWorld.txt\""); success = CkRestW_AddHeader(rest,L"x-ms-blob-type",L"BlockBlob"); success = CkRestW_AddHeader(rest,L"x-ms-meta-m1",L"v1"); success = CkRestW_AddHeader(rest,L"x-ms-meta-m2",L"v2"); // Note: The application does not need to explicitly set the following // headers: x-ms-date, Authorization, and Content-Length. These headers // are automatically set by Chilkat. // Upload the string "Hello World!" to the file named "helloWorld.txt" located in the container named "test". responseStr = CkRestW_fullRequestString(rest,L"PUT",L"/test/helloWorld.txt",L"Hello World!"); if (CkRestW_getLastMethodSuccess(rest) != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); return; } // When successful, the Azure Storage service will respond with a 201 response code, // with an empty body. Therefore, in the success condition, the responseStr is empty. if (CkRestW_getResponseStatusCode(rest) == 201) { wprintf(L"File uploaded.\n"); } else { // Examine the request/response to see what happened. wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest)); wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest)); wprintf(L"response header: %s\n",CkRestW_responseHeader(rest)); wprintf(L"response body (if any): %s\n",responseStr); wprintf(L"---\n"); wprintf(L"LastRequestStartLine: %s\n",CkRestW_lastRequestStartLine(rest)); wprintf(L"LastRequestHeader: %s\n",CkRestW_lastRequestHeader(rest)); } CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); } |
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