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(Unicode C) Azure Storage: Upload Binary Data to Block Blob using BinDataSample code to upload binary bytes (contained in a Chilkat BinData object) to a block blob in Azure Cloud Storage. This creates the block blob, or replaces an existing block blob. Note: The maximum size of a block blob created by uploading in a single step is 64MB. For larger files, the upload must be broken up into blocks. There is another Chilkat example for that..
#include <C_CkRestW.h> #include <C_CkAuthAzureStorageW.h> #include <C_CkBinDataW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; BOOL success; HCkAuthAzureStorageW azAuth; HCkBinDataW bd; HCkStringBuilderW sbResponseBody; // Azure Blob Service Example: Upload binary bytes to a block blob. // This creates a new block blob or replaces an existing one in its entirety. // See also: https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx // 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); // Note: The application does not need to explicitly set the following // headers: Content-Length, x-ms-date, Authorization. These headers // are automatically set by Chilkat. // IMPORTANT: Make sure to set the x-ms-blob-type header: success = CkRestW_AddHeader(rest,L"x-ms-blob-type",L"BlockBlob"); // For this example, we'll just load a JPG file into memory.. bd = CkBinDataW_Create(); success = CkBinDataW_LoadFile(bd,L"qa_data/jpg/starfish.jpg"); if (success == FALSE) { wprintf(L"Failed to load the file to be uploaded.\n"); CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); CkBinDataW_Dispose(bd); return; } // Note: The maximum size of a block blob created by uploading in a single step is 64MB. // For larger files, the upload must be broken up into blocks. There is another Chilkat example for that.. sbResponseBody = CkStringBuilderW_Create(); success = CkRestW_FullRequestBd(rest,L"PUT",L"/mycontainer/starfish.jpg",bd,sbResponseBody); if (success == FALSE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); CkBinDataW_Dispose(bd); CkStringBuilderW_Dispose(sbResponseBody); return; } // When successful, the Azure Storage service will respond with a 201 response status code, // with no response body. if (CkRestW_getResponseStatusCode(rest) != 201) { // 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",CkStringBuilderW_getAsString(sbResponseBody)); 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); CkBinDataW_Dispose(bd); CkStringBuilderW_Dispose(sbResponseBody); return; } wprintf(L"Success.\n"); CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); CkBinDataW_Dispose(bd); CkStringBuilderW_Dispose(sbResponseBody); } |
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