(Unicode C++) Azure Blob Service - List all Containers in a Storage Account

Azure Storage Blob Service REST API: Lists all the containers in a storage account.

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#include <CkRestW.h>
#include <CkAuthAzureStorageW.h>
#include <CkXmlW.h>
#include <CkDateTimeW.h>

void ChilkatSample(void)
    {
    // Azure Blob Service Example: List all of the containers in an account.

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

    CkRestW 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".
    bool success = rest.Connect(L"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // Provide Azure Cloud credentials for the REST call.
    CkAuthAzureStorageW azAuth;
    azAuth.put_AccessKey(L"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(L"chilkat");
    azAuth.put_Scheme(L"SharedKey");
    azAuth.put_Service(L"Blob");
    // This causes the "x-ms-version: 2020-08-04" header to be automatically added.
    azAuth.put_XMsVersion(L"2020-08-04");
    success = rest.SetAuthAzureStorage(azAuth);

    // URI parameters, such as "maxresults", are added by calling AddQueryParam
    success = rest.AddQueryParam(L"maxresults",L"1000");

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

    const wchar_t *responseStr = rest.fullRequestNoBody(L"GET",L"/?comp=list");
    if (rest.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        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.
        wprintf(L"response status code = %d\n",rest.get_ResponseStatusCode());
        wprintf(L"response status text = %s\n",rest.responseStatusText());
        wprintf(L"response header: %s\n",rest.responseHeader());
        wprintf(L"response body (if any): %s\n",responseStr);
        wprintf(L"---\n");
        wprintf(L"LastRequestStartLine: %s\n",rest.lastRequestStartLine());
        wprintf(L"LastRequestHeader: %s\n",rest.lastRequestHeader());
        return;
    }

    // Load the XML response for parsing.
    // A sample XML response containing 2 containers is shown below.
    CkXmlW xml;
    success = xml.LoadXml(responseStr);

    wprintf(L"%s\n",xml.getXml());

    // Iterate over the containers, listing some information about each.
    success = xml.FindChild2(L"Containers");
    int numContainers = xml.get_NumChildren();
    int i = 0;
    while ((i < numContainers)) {
        success = xml.GetChild2(i);
        wprintf(L"Container Name: %s\n",xml.getChildContent(L"Name"));
        const wchar_t *lastModDateStr = xml.chilkatPath(L"Properties|Last-Modified|*");
        wprintf(L"Last Modified: %s\n",lastModDateStr);
        // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
        CkDateTimeW dateTime;
        success = dateTime.SetFromRfc822(lastModDateStr);

        const wchar_t *leaseState = xml.chilkatPath(L"Properties|LeaseState|*");
        wprintf(L"Lease State: %s\n",leaseState);

        success = xml.GetParent2();
        i = i + 1;
    }

    success = xml.GetParent2();

    // Sample XML response:

    // 	<?xml version="1.0" encoding="utf-8" ?>
    // 	<EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/">
    // 	    <MaxResults>1000</MaxResults>
    // 	    <Containers>
    // 	        <Container>
    // 	            <Name>test</Name>
    // 	            <Properties>
    // 	                <Last-Modified>Wed, 20 Apr 2016 01:02:25 GMT</Last-Modified>
    // 	                <Etag>"0x8D368B77024C583"</Etag>
    // 	                <LeaseStatus>unlocked</LeaseStatus>
    // 	                <LeaseState>available</LeaseState>
    // 	            </Properties>
    // 	        </Container>
    // 	        <Container>
    // 	            <Name>test2</Name>
    // 	            <Properties>
    // 	                <Last-Modified>Tue, 03 May 2016 17:13:01 GMT</Last-Modified>
    // 	                <Etag>"0x8D373762EB6AC85"</Etag>
    // 	                <LeaseStatus>unlocked</LeaseStatus>
    // 	                <LeaseState>available</LeaseState>
    // 	            </Properties>
    // 	        </Container>
    // 	    </Containers>
    // 	    <NextMarker />
    // 	</EnumerationResults>
    }