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

void ChilkatSample(void)
    {
    BOOL success;
    HCkRest rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAzureStorage azAuth;
    const char *responseStr;
    HCkXml xml;
    int numContainers;
    int i;
    const char *lastModDateStr;
    HCkDateTime dateTime;
    const char *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 = CkRest_Create();

    // Connect to the Azure Storage Blob Service
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    // In this example, the storage account name is "chilkat".
    success = CkRest_Connect(rest,"chilkat.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: 2021-08-06" header to be automatically added.
    CkAuthAzureStorage_putXMsVersion(azAuth,"2021-08-06");
    success = CkRest_SetAuthAzureStorage(rest,azAuth);

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

    responseStr = CkRest_fullRequestNoBody(rest,"GET","/?comp=list");
    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.
    // A sample XML response containing 2 containers is shown below.
    xml = CkXml_Create();
    success = CkXml_LoadXml(xml,responseStr);

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

    // Iterate over the containers, listing some information about each.
    success = CkXml_FindChild2(xml,"Containers");
    numContainers = CkXml_getNumChildren(xml);
    i = 0;
    while ((i < numContainers)) {
        success = CkXml_GetChild2(xml,i);
        printf("Container Name: %s\n",CkXml_getChildContent(xml,"Name"));
        lastModDateStr = CkXml_chilkatPath(xml,"Properties|Last-Modified|*");
        printf("Last Modified: %s\n",lastModDateStr);
        // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
        dateTime = CkDateTime_Create();
        success = CkDateTime_SetFromRfc822(dateTime,lastModDateStr);

        leaseState = CkXml_chilkatPath(xml,"Properties|LeaseState|*");
        printf("Lease State: %s\n",leaseState);

        success = CkXml_GetParent2(xml);
        i = i + 1;
    }

    success = CkXml_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>


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

    }