Unicode C

EC2 Start Instances

See more Amazon EC2 Examples

Demonstrates how to send a request to start Amazon EC2 instances. 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 server.
    // such as https://ec2.amazonaws.com/
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"ec2.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 the region part of the domain passed to the REST connect method (above).
    CkAuthAwsW_putRegion(authAws,L"us-west-2");
    CkAuthAwsW_putServiceName(authAws,L"ec2");

    CkRestW_SetAuthAws(rest,authAws);

    CkRestW_AddQueryParam(rest,L"Action",L"StartInstances");
    CkRestW_AddQueryParam(rest,L"Version",L"2016-11-15");
    // If DryRun is true then checks whether you have the required permissions for the action, 
    // without actually making the request, and provides an error response. If you have the required permissions, 
    // the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.
    // Omit the DryRun query parameter to actually start the instance.  (Or set DryRun equal to "false")
    CkRestW_AddQueryParam(rest,L"DryRun",L"true");
    CkRestW_AddQueryParam(rest,L"InstanceId.1",L"i-999719995399c9999");

    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));


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

    }