long_polling_on_existing_queue.cpp - AWS Code Sample


long_polling_on_existing_queue.cpp demonstrates how to change the amount of time an Amazon SQS queue waits for a message to arrive.

/* Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. This file is licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. A copy of the License is located at http://aws.amazon.com/apache2.0/ This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ #include <aws/core/Aws.h> #include <aws/sqs/SQSClient.h> #include <aws/sqs/model/SetQueueAttributesRequest.h> #include <iostream> /** * Modifies an sqs queue to have a long poll wait time, based on command line input */ int main(int argc, char** argv) { if (argc != 3) { std::cout << "Usage: long_polling_on_existing_queue <queue_url> " << "<long_poll_time_in_seconds>" << std::endl; return 1; } Aws::SDKOptions options; Aws::InitAPI(options); { Aws::String queue_url = argv[1]; Aws::String poll_time = argv[2]; Aws::SQS::SQSClient sqs; Aws::SQS::Model::SetQueueAttributesRequest request; request.SetQueueUrl(queue_url); request.AddAttributes( Aws::SQS::Model::QueueAttributeName::ReceiveMessageWaitTimeSeconds, poll_time); auto outcome = sqs.SetQueueAttributes(request); if (outcome.IsSuccess()) { std::cout << "Successfully updated long polling time for queue " << queue_url << " to " << poll_time << std::endl; } else { std::cout << "Error updating long polling time for queue " << queue_url << ": " << outcome.GetError().GetMessage() << std::endl; } } Aws::ShutdownAPI(options); return 0; }

Sample Details

Service: sqs

Author: AWS

Type: full-example