C++

Azure Blob Service - List all Containers in a Storage Account

See more Azure Cloud Storage Examples

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

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

void ChilkatSample(void)
    {
    bool success = false;

    //  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.

    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".
    success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        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: 2021-08-06" header to be automatically added.
    azAuth.put_XMsVersion("2021-08-06");
    success = rest.SetAuthAzureStorage(azAuth);

    //  URI parameters, such as "maxresults", are added by calling AddQueryParam
    success = rest.AddQueryParam("maxresults","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 char *responseStr = rest.fullRequestNoBody("GET","/?comp=list");
    if (rest.get_LastMethodSuccess() != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        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.
        std::cout << "response status code = " << rest.get_ResponseStatusCode() << "\r\n";
        std::cout << "response status text = " << rest.responseStatusText() << "\r\n";
        std::cout << "response header: " << rest.responseHeader() << "\r\n";
        std::cout << "response body (if any): " << responseStr << "\r\n";
        std::cout << "---" << "\r\n";
        std::cout << "LastRequestStartLine: " << rest.lastRequestStartLine() << "\r\n";
        std::cout << "LastRequestHeader: " << rest.lastRequestHeader() << "\r\n";
        return;
    }

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

    std::cout << xml.getXml() << "\r\n";

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

        const char *leaseState = xml.chilkatPath("Properties|LeaseState|*");
        std::cout << "Lease State: " << leaseState << "\r\n";

        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>
    }