Chilkat Online Tools

PollForTask Perl Example

AWS Data Pipeline

use chilkat();

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

$rest = chilkat::CkRest->new();

$authAws = chilkat::CkAuthAws->new();
$authAws->put_AccessKey("AWS_ACCESS_KEY");
$authAws->put_SecretKey("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("us-west-2");
$authAws->put_ServiceName("datapipeline");
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
$rest->SetAuthAws($authAws);

# URL: https://datapipeline.us-west-2.amazonaws.com/
# Use the same region as specified above.
$success = $rest->Connect("datapipeline.us-west-2.amazonaws.com",443,1,1);
if ($success != 1) {
    print "ConnectFailReason: " . $rest->get_ConnectFailReason() . "\r\n";
    print $rest->lastErrorText() . "\r\n";
    exit;
}

# 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 = chilkat::CkJsonObject->new();
$json->UpdateString("hostname","string");
$json->UpdateString("instanceIdentity.document","string");
$json->UpdateString("instanceIdentity.signature","string");
$json->UpdateString("workerGroup","string");

# The JSON request body created by the above code:

# {
#   "hostname": "string",
#   "instanceIdentity": {
#     "document": "string",
#     "signature": "string"
#   },
#   "workerGroup": "string"
# }

$rest->AddHeader("Content-Type","application/x-amz-json-1.1");
$rest->AddHeader("X-Amz-Target","DataPipeline.PollForTask");

$sbRequestBody = chilkat::CkStringBuilder->new();
$json->EmitSb($sbRequestBody);
$sbResponseBody = chilkat::CkStringBuilder->new();
$success = $rest->FullRequestSb("POST","/",$sbRequestBody,$sbResponseBody);
if ($success != 1) {
    print $rest->lastErrorText() . "\r\n";
    exit;
}

$respStatusCode = $rest->get_ResponseStatusCode();
print "response status code = " . $respStatusCode . "\r\n";
if ($respStatusCode != 200) {
    print "Response Header:" . "\r\n";
    print $rest->responseHeader() . "\r\n";
    print "Response Body:" . "\r\n";
    print $sbResponseBody->getAsString() . "\r\n";
    exit;
}

$jResp = chilkat::CkJsonObject->new();
$jResp->LoadSb($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

$AttemptId = $jResp->stringOf("taskObject.attemptId");
$Id = $jResp->stringOf("taskObject.objects.string.id");
$Name = $jResp->stringOf("taskObject.objects.string.name");
$PipelineId = $jResp->stringOf("taskObject.pipelineId");
$TaskId = $jResp->stringOf("taskObject.taskId");
$i = 0;
$count_i = $jResp->SizeOfArray("taskObject.objects.string.fields");
while ($i < $count_i) {
    $jResp->put_I($i);
    $key = $jResp->stringOf("taskObject.objects.string.fields[i].key");
    $refValue = $jResp->stringOf("taskObject.objects.string.fields[i].refValue");
    $stringValue = $jResp->stringOf("taskObject.objects.string.fields[i].stringValue");
    $i = $i + 1;
}

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

# {
#   "taskObject": {
#     "attemptId": "string",
#     "objects": {
#       "string": {
#         "fields": [
#           {
#             "key": "string",
#             "refValue": "string",
#             "stringValue": "string"
#           }
#         ],
#         "id": "string",
#         "name": "string"
#       }
#     },
#     "pipelineId": "string",
#     "taskId": "string"
#   }
# }