(C) Azure Storage: Get Blob Service Stats

Azure Storage Blob Service REST API: Sample code to get Blob Service Stats

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#include <C_CkRest.h>
#include <C_CkAuthAzureStorage.h>
#include <C_CkXml.h>
#include <C_CkDateTime.h>
#include <C_CkDtObj.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkAuthAzureStorage azAuth;
    const char *responseStr;
    HCkXml xml;
    const char *lastSyncTimeStr;
    HCkDateTime dateTime;
    BOOL bLocalTime;
    HCkDtObj dt;

    // Azure Blob Service Example: Get Blob Service Stats

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    rest = CkRest_Create();

    // Connect to the Azure Storage Blob Service
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    // In this example, the storage account name is "chilkat".
    // ---- IMPORTANT ----
    // The "-secondary" suffix is required.
    // This requires an Azure storage account with replication set to "Read-access geo-redundant storage (RA-GRS)"
    // If you made the change just prior to testing this example, you'll need to give it time for the 
    // DNS to become available..  
    // ---- IMPORTANT ----
    success = CkRest_Connect(rest,"chilkat-secondary.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        return;
    }

    // Provide Azure Cloud credentials for the REST call.
    azAuth = CkAuthAzureStorage_Create();
    CkAuthAzureStorage_putAccessKey(azAuth,"AZURE_ACCESS_KEY");
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    CkAuthAzureStorage_putAccount(azAuth,"chilkat");
    CkAuthAzureStorage_putScheme(azAuth,"SharedKey");
    CkAuthAzureStorage_putService(azAuth,"Blob");
    // This causes the "x-ms-version: 2020-08-04" header to be automatically added.
    CkAuthAzureStorage_putXMsVersion(azAuth,"2020-08-04");
    success = CkRest_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.

    responseStr = CkRest_fullRequestNoBody(rest,"GET","/?restype=service&comp=stats");
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAzureStorage_Dispose(azAuth);
        return;
    }

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML body.  
    if (CkRest_getResponseStatusCode(rest) != 200) {
        // Examine the request/response to see what happened.
        printf("response status code = %d\n",CkRest_getResponseStatusCode(rest));
        printf("response status text = %s\n",CkRest_responseStatusText(rest));
        printf("response header: %s\n",CkRest_responseHeader(rest));
        printf("response body (if any): %s\n",responseStr);
        printf("---\n");
        printf("LastRequestStartLine: %s\n",CkRest_lastRequestStartLine(rest));
        printf("LastRequestHeader: %s\n",CkRest_lastRequestHeader(rest));
        CkRest_Dispose(rest);
        CkAuthAzureStorage_Dispose(azAuth);
        return;
    }

    // Load the XML response for parsing.
    // An example of the response XML is shown below.
    xml = CkXml_Create();
    success = CkXml_LoadXml(xml,responseStr);

    printf("%s\n",CkXml_getXml(xml));

    // Use the ChilkatPath method to get various pieces of information out
    // of the XML.  For example:

    printf("Status = %s\n",CkXml_chilkatPath(xml,"GeoReplication|Status|*"));
    lastSyncTimeStr = CkXml_chilkatPath(xml,"GeoReplication|LastSyncTime|*");
    printf("LastSyncTime = %s\n",lastSyncTimeStr);

    // The date/time string can be loaded into a CkDateTime object for 
    // access to individual parts, or conversion to other formats.
    dateTime = CkDateTime_Create();
    success = CkDateTime_SetFromRfc822(dateTime,lastSyncTimeStr);

    // For example:
    bLocalTime = TRUE;
    dt = CkDateTime_GetDtObj(dateTime,bLocalTime);
    printf("%d/%d/%d\n",CkDtObj_getYear(dt),CkDtObj_getMonth(dt),CkDtObj_getDay(dt));
    CkDtObj_Dispose(dt);

    // <StorageServiceStats>
    //     <GeoReplication>
    //         <Status>live</Status>
    //         <LastSyncTime>Tue, 03 May 2016 23:57:54 GMT</LastSyncTime>
    //     </GeoReplication>
    // </StorageServiceStats>


    CkRest_Dispose(rest);
    CkAuthAzureStorage_Dispose(azAuth);
    CkXml_Dispose(xml);
    CkDateTime_Dispose(dateTime);

    }