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Unicode C

SNS Subscribe Email Address

See more Amazon SNS Examples

Subscribe an email address to an SNS topic.

See SNS Subscribe for more information.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAwsW authAws;
    const wchar_t *responseXml;
    HCkXmlW xml;

    success = FALSE;

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

    rest = CkRestW_Create();

    // Connect to the Amazon AWS REST server.
    // such as https://sns.us-west-2.amazonaws.com/
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY");
    // the region should match our URL above..
    CkAuthAwsW_putRegion(authAws,L"us-west-2");
    CkAuthAwsW_putServiceName(authAws,L"sns");

    CkRestW_SetAuthAws(rest,authAws);

    CkRestW_AddQueryParam(rest,L"Action",L"Subscribe");
    CkRestW_AddQueryParam(rest,L"Endpoint",L"somebody@some-email-address.com");
    CkRestW_AddQueryParam(rest,L"Protocol",L"email");
    CkRestW_AddQueryParam(rest,L"TopicArn",L"arn:aws:sns:us-west-2:957491831129:chilkat");

    responseXml = CkRestW_fullRequestNoBody(rest,L"GET",L"/");
    if (CkRestW_getLastMethodSuccess(rest) != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        return;
    }

    // A successful response will have a status code equal to 200.
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        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: %s\n",responseXml);
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        return;
    }

    // Examine the successful XML response.
    xml = CkXmlW_Create();
    CkXmlW_LoadXml(xml,responseXml);
    wprintf(L"%s\n",CkXmlW_getXml(xml));

    // To get the SubscriptionArn (which in this case is "pending confirmation")
    wprintf(L"SubscriptionArn: %s\n",CkXmlW_chilkatPath(xml,L"SubscribeResult|SubscriptionArn|*"));

    // A sample successful response:
    // <?xml version="1.0" encoding="utf-8" ?>
    // <SubscribeResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
    //     <SubscribeResult>
    //         <SubscriptionArn>pending confirmation</SubscriptionArn>
    //     </SubscribeResult>
    //     <ResponseMetadata>
    //         <RequestId>c5490a81-973b-5fa6-93dc-5bed689c212f</RequestId>
    //     </ResponseMetadata>
    // </SubscribeResponse>


    CkRestW_Dispose(rest);
    CkAuthAwsW_Dispose(authAws);
    CkXmlW_Dispose(xml);

    }