Chilkat Online Tools

CreateChannel delphiDll Example

Amazon Interactive Video Service

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
Arn: PWideChar;
Authorized: Integer;
IngestEndpoint: PWideChar;
LatencyMode: PWideChar;
Name: PWideChar;
PlaybackUrl: PWideChar;
RecordingConfigurationArn: PWideChar;
v_String: PWideChar;
v_Type: PWideChar;
streamKeyArn: PWideChar;
ChannelArn: PWideChar;
TagsString: PWideChar;
Value: PWideChar;

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

rest := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'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.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'ivs');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://ivs.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'ivs.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// 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

json := CkJsonObject_Create();
CkJsonObject_UpdateInt(json,'authorized',123);
CkJsonObject_UpdateString(json,'latencyMode','string');
CkJsonObject_UpdateString(json,'name','string');
CkJsonObject_UpdateString(json,'recordingConfigurationArn','string');
CkJsonObject_UpdateString(json,'tags.string','string');
CkJsonObject_UpdateString(json,'type','string');

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

// {
//   "authorized": boolean,
//   "latencyMode": "string",
//   "name": "string",
//   "recordingConfigurationArn": "string",
//   "tags": {
//     "string": "string"
//   },
//   "type": "string"
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','CreateChannel');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/CreateChannel',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,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

Arn := CkJsonObject__stringOf(jResp,'channel.arn');
Authorized := CkJsonObject_IntOf(jResp,'channel.authorized');
IngestEndpoint := CkJsonObject__stringOf(jResp,'channel.ingestEndpoint');
LatencyMode := CkJsonObject__stringOf(jResp,'channel.latencyMode');
Name := CkJsonObject__stringOf(jResp,'channel.name');
PlaybackUrl := CkJsonObject__stringOf(jResp,'channel.playbackUrl');
RecordingConfigurationArn := CkJsonObject__stringOf(jResp,'channel.recordingConfigurationArn');
v_String := CkJsonObject__stringOf(jResp,'channel.tags.string');
v_Type := CkJsonObject__stringOf(jResp,'channel.type');
streamKeyArn := CkJsonObject__stringOf(jResp,'streamKey.arn');
ChannelArn := CkJsonObject__stringOf(jResp,'streamKey.channelArn');
TagsString := CkJsonObject__stringOf(jResp,'streamKey.tags.string');
Value := CkJsonObject__stringOf(jResp,'streamKey.value');

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

// {
//   "channel": {
//     "arn": "string",
//     "authorized": boolean,
//     "ingestEndpoint": "string",
//     "latencyMode": "string",
//     "name": "string",
//     "playbackUrl": "string",
//     "recordingConfigurationArn": "string",
//     "tags": {
//       "string": "string"
//     },
//     "type": "string"
//   },
//   "streamKey": {
//     "arn": "string",
//     "channelArn": "string",
//     "tags": {
//       "string": "string"
//     },
//     "value": "string"
//   }
// }

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);