Chilkat Online Tools

GetStream unicodeCpp Example

Amazon Interactive Video Service

#include <CkRestW.h>
#include <CkAuthAwsW.h>
#include <CkJsonObjectW.h>
#include <CkStringBuilderW.h>

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

    CkRestW rest;
    bool success;

    CkAuthAwsW authAws;
    authAws.put_AccessKey(L"AWS_ACCESS_KEY");
    authAws.put_SecretKey(L"AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region(L"us-west-2");
    authAws.put_ServiceName(L"ivs");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://ivs.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect(L"ivs.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        wprintf(L"ConnectFailReason: %d\n",rest.get_ConnectFailReason());
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    CkJsonObjectW json;
    json.UpdateString(L"channelArn",L"string");

    // The JSON request body created by the above code:

    // {
    //   "channelArn": "string"
    // }

    rest.AddHeader(L"Content-Type",L"application/x-amz-json-1.1");
    rest.AddHeader(L"X-Amz-Target",L"GetStream");

    CkStringBuilderW sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestSb(L"POST",L"/GetStream",sbRequestBody,sbResponseBody);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    wprintf(L"response status code = %d\n",respStatusCode);
    if (respStatusCode != 200) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",rest.responseHeader());
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",sbResponseBody.getAsString());
        return;
    }

    CkJsonObjectW jResp;
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    const wchar_t *ChannelArn = jResp.stringOf(L"stream.channelArn");
    const wchar_t *Health = jResp.stringOf(L"stream.health");
    const wchar_t *PlaybackUrl = jResp.stringOf(L"stream.playbackUrl");
    int StartTime = jResp.IntOf(L"stream.startTime");
    const wchar_t *State = jResp.stringOf(L"stream.state");
    const wchar_t *StreamId = jResp.stringOf(L"stream.streamId");
    int ViewerCount = jResp.IntOf(L"stream.viewerCount");

    // A sample JSON response body parsed by the above code:

    // {
    //   "stream": {
    //     "channelArn": "string",
    //     "health": "string",
    //     "playbackUrl": "string",
    //     "startTime": number,
    //     "state": "string",
    //     "streamId": "string",
    //     "viewerCount": number
    //   }
    // }
    }