C++

Azure Storage: Get Blob Service Properties

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Azure Storage Blob Service REST API: Sample code to get a blob's service properties. C++

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

void ChilkatSample(void)
    {
    bool success = false;

    //  Azure Blob Service Example: Get Blob Service Properties

    //  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);

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

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

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

    std::cout << "Logging retention policy #days = " << xml.chilkatPath("Logging|RetentionPolicy|Days|*") << "\r\n";
    std::cout << "Hour metrics include APIs = " << xml.chilkatPath("HourMetrics|IncludeAPIs|*") << "\r\n";

    //  <?xml version="1.0" encoding="utf-8" ?>
    //  <StorageServiceProperties>
    //      <Logging>
    //          <Version>1.0</Version>
    //          <Read>true</Read>
    //          <Write>true</Write>
    //          <Delete>true</Delete>
    //          <RetentionPolicy>
    //              <Enabled>true</Enabled>
    //              <Days>7</Days>
    //          </RetentionPolicy>
    //      </Logging>
    //      <HourMetrics>
    //          <Version>1.0</Version>
    //          <Enabled>true</Enabled>
    //          <IncludeAPIs>true</IncludeAPIs>
    //          <RetentionPolicy>
    //              <Enabled>true</Enabled>
    //              <Days>7</Days>
    //          </RetentionPolicy>
    //      </HourMetrics>
    //      <MinuteMetrics>
    //          <Version>1.0</Version>
    //          <Enabled>false</Enabled>
    //          <RetentionPolicy>
    //              <Enabled>false</Enabled>
    //          </RetentionPolicy>
    //      </MinuteMetrics>
    //      <Cors />
    //  </StorageServiceProperties>
    }