Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Unicode C) Azure Storage: Lease ContainerAzure Storage Blob Service REST API: Sample code to establishes a lock on a container for delete operations. The lock duration can be 15 to 60 seconds, or can be infinite.
#include <C_CkRestW.h> #include <C_CkAuthAzureStorageW.h> #include <C_CkCrypt2W.h> void ChilkatSample(void) { HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; BOOL success; HCkAuthAzureStorageW azAuth; HCkCrypt2W crypt; const wchar_t *guid; const wchar_t *responseStr; // Azure Blob Service Example: Lease Container // See also: https://msdn.microsoft.com/en-us/library/azure/jj159103.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: x-ms-date, Authorization. These headers // are automatically set by Chilkat. // The lease ID needs to be a GUID. (UUID and GUID are synonymous) crypt = CkCrypt2W_Create(); guid = CkCrypt2W_generateUuid(crypt); wprintf(L"Lease ID: %s\n",guid); success = CkRestW_AddHeader(rest,L"x-ms-lease-id",guid); // The action can be "acquire", "renew", "change", "release", or "break". // See https://msdn.microsoft.com/en-us/library/azure/jj159103.aspx success = CkRestW_AddHeader(rest,L"x-ms-lease-action",L"acquire"); // The lease duration.. success = CkRestW_AddHeader(rest,L"x-ms-lease-duration",L"15"); // In this example, we are acquiring a lease for the container named "mycontainer". responseStr = CkRestW_fullRequestNoBody(rest,L"PUT",L"/mycontainer?restype=container&comp=lease"); if (CkRestW_getLastMethodSuccess(rest) != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); CkCrypt2W_Dispose(crypt); return; } // When successful, the Azure Storage service will respond with a 200, 201, or 202 response status code, // with no response body. // The status code depends on the operation: // Acquire: A successful operation returns status code 201 (Created). // Renew: A successful operation returns status code 200 (OK). // Change: A successful operation returns status code 200 (OK). // Release: A successful operation returns status code 200 (OK). // Break: A successful operation returns status code 202 (Accepted). if ((CkRestW_getResponseStatusCode(rest) < 200) || (CkRestW_getResponseStatusCode(rest) > 202)) { // 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); CkCrypt2W_Dispose(crypt); return; } wprintf(L"Success: Lease acquired.\n"); CkRestW_Dispose(rest); CkAuthAzureStorageW_Dispose(azAuth); CkCrypt2W_Dispose(crypt); } |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.