Unicode C

Azure Blob Service - List all Containers in a Storage Account

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

#include <C_CkRestW.h>
#include <C_CkAuthAzureStorageW.h>
#include <C_CkXmlW.h>
#include <C_CkDateTimeW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAzureStorageW azAuth;
    const wchar_t *responseStr;
    HCkXmlW xml;
    int numContainers;
    int i;
    const wchar_t *lastModDateStr;
    HCkDateTimeW dateTime;
    const wchar_t *leaseState;

    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.

    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: 2021-08-06" header to be automatically added.
    CkAuthAzureStorageW_putXMsVersion(azAuth,L"2021-08-06");
    success = CkRestW_SetAuthAzureStorage(rest,azAuth);

    // URI parameters, such as "maxresults", are added by calling AddQueryParam
    success = CkRestW_AddQueryParam(rest,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.

    responseStr = CkRestW_fullRequestNoBody(rest,L"GET",L"/?comp=list");
    if (CkRestW_getLastMethodSuccess(rest) != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAzureStorageW_Dispose(azAuth);
        return;
    }

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML body.  
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        // 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);
        return;
    }

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

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

    // Iterate over the containers, listing some information about each.
    success = CkXmlW_FindChild2(xml,L"Containers");
    numContainers = CkXmlW_getNumChildren(xml);
    i = 0;
    while ((i < numContainers)) {
        success = CkXmlW_GetChild2(xml,i);
        wprintf(L"Container Name: %s\n",CkXmlW_getChildContent(xml,L"Name"));
        lastModDateStr = CkXmlW_chilkatPath(xml,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..
        dateTime = CkDateTimeW_Create();
        success = CkDateTimeW_SetFromRfc822(dateTime,lastModDateStr);

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

        success = CkXmlW_GetParent2(xml);
        i = i + 1;
    }

    success = CkXmlW_GetParent2(xml);

    // 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>


    CkRestW_Dispose(rest);
    CkAuthAzureStorageW_Dispose(azAuth);
    CkXmlW_Dispose(xml);
    CkDateTimeW_Dispose(dateTime);

    }