(Unicode C) Send XML REST Request, Get Response with No Body (Google Cloud Storage)

Demonstrates sending a RESTful XML request, and receiving a response where the expected response is a header with no body (Content-Length = 0). This example will create a bucket in Google Cloud Storage using the Google Cloud Storage XML API.

See Create a Bucket using the XML API for additional request options.

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#include <C_CkAuthGoogleW.h>
#include <C_CkRestW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkAuthGoogleW gAuth;
    HCkRestW rest;
    BOOL bAutoReconnect;
    HCkXmlW xmlReqBody;
    const wchar_t *responseStr;
    int responseStatus;

    // This example will create a bucket in Google Cloud Storage using the XML API.

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

    gAuth = CkAuthGoogleW_Create();
    // Obtain an access token as shown in one of the following examples:
    // See Get Access Token using a Service Account JSON Key
    // See Get Access Token using a P12 File

    rest = CkRestW_Create();

    // Connect using TLS.
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"www.googleapis.com",443,TRUE,bAutoReconnect);

    // Provide the authentication credentials (i.e. the access key)
    success = CkRestW_SetAuthGoogle(rest,gAuth);

    // Build the XML request body for creating a bucket.
    // See https://cloud.google.com/storage/docs/xml-api/put-bucket-create
    xmlReqBody = CkXmlW_Create();
    CkXmlW_putTag(xmlReqBody,L"CreateBucketConfiguration");
    CkXmlW_NewChild2(xmlReqBody,L"LocationConstraint",L"us");
    CkXmlW_NewChild2(xmlReqBody,L"StorageClass",L"STANDARD");

    // Show the HTTP request body we'll be sending.
    wprintf(L"%s\n",CkXmlW_getXml(xmlReqBody));

    // There are no query parameters...

    // The HOST header must be specified, because it needs to be different than
    // the domain previously passed to the Connect method.
    // The name of the bucket is the 1st part of the HOST header.
    success = CkRestW_AddHeader(rest,L"Host",L"chilkat-example-bucket.storage.googleapis.com");

    // The project ID is specified in an HTTP request header
    success = CkRestW_AddHeader(rest,L"x-goog-project-id",L"chilkattest-1050");

    // In this case, the response body is expected to be empty.  We can still
    // call FullRequestString.  We expect an empty string to be returned.
    responseStr = CkRestW_fullRequestString(rest,L"PUT",L"/",CkXmlW_getXml(xmlReqBody));
    if (CkRestW_getLastMethodSuccess(rest) != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthGoogleW_Dispose(gAuth);
        CkRestW_Dispose(rest);
        CkXmlW_Dispose(xmlReqBody);
        return;
    }

    // Check the response status code to make sure it is 200.
    responseStatus = CkRestW_getResponseStatusCode(rest);
    wprintf(L"Response Status Code = %d\n",responseStatus);


    CkAuthGoogleW_Dispose(gAuth);
    CkRestW_Dispose(rest);
    CkXmlW_Dispose(xmlReqBody);

    }