(MFC) Azure Storage: Get Blob Service Stats

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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkAuthAzureStorage.h>
#include <CkXml.h>
#include <CkDateTime.h>
#include <CkDtObj.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // 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.

    CkRest rest;

    // Connect to the Azure Storage Blob Service
    bool bTls = true;
    int port = 443;
    bool 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 ----
    bool success = rest.Connect("chilkat-secondary.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Provide Azure Cloud credentials for the REST call.
    CkAuthAzureStorage azAuth;
    azAuth.put_AccessKey("AZURE_ACCESS_KEY");
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    azAuth.put_Account("chilkat");
    azAuth.put_Scheme("SharedKey");
    azAuth.put_Service("Blob");
    // This causes the "x-ms-version: 2020-08-04" header to be automatically added.
    azAuth.put_XMsVersion("2020-08-04");
    success = rest.SetAuthAzureStorage(azAuth);

    // Note: The application does not need to explicitly set the following
    // headers: x-ms-date, Authorization.  These headers
    // are automatically set by Chilkat.

    const char *responseStr = rest.fullRequestNoBody("GET","/?restype=service&comp=stats");
    if (rest.get_LastMethodSuccess() != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML body.  
    if (rest.get_ResponseStatusCode() != 200) {
        // Examine the request/response to see what happened.
        strOut.append("response status code = ");
        strOut.appendInt(rest.get_ResponseStatusCode());
        strOut.append("\r\n");
        strOut.append("response status text = ");
        strOut.append(rest.responseStatusText());
        strOut.append("\r\n");
        strOut.append("response header: ");
        strOut.append(rest.responseHeader());
        strOut.append("\r\n");
        strOut.append("response body (if any): ");
        strOut.append(responseStr);
        strOut.append("\r\n");
        strOut.append("---");
        strOut.append("\r\n");
        strOut.append("LastRequestStartLine: ");
        strOut.append(rest.lastRequestStartLine());
        strOut.append("\r\n");
        strOut.append("LastRequestHeader: ");
        strOut.append(rest.lastRequestHeader());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    strOut.append(xml.getXml());
    strOut.append("\r\n");

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

    strOut.append("Status = ");
    strOut.append(xml.chilkatPath("GeoReplication|Status|*"));
    strOut.append("\r\n");
    const char *lastSyncTimeStr = xml.chilkatPath("GeoReplication|LastSyncTime|*");
    strOut.append("LastSyncTime = ");
    strOut.append(lastSyncTimeStr);
    strOut.append("\r\n");

    // The date/time string can be loaded into a CkDateTime object for 
    // access to individual parts, or conversion to other formats.
    CkDateTime dateTime;
    success = dateTime.SetFromRfc822(lastSyncTimeStr);

    // For example:
    bool bLocalTime = true;
    CkDtObj *dt = dateTime.GetDtObj(bLocalTime);
    strOut.appendInt(dt->get_Year());
    strOut.append("/");
    strOut.appendInt(dt->get_Month());
    strOut.append("/");
    strOut.appendInt(dt->get_Day());
    strOut.append("\r\n");
    delete dt;

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }