Code examples for Amazon SQS using AWS SDKs

using Amazon.SQS;
using Amazon.SQS.Model;

namespace SQSActions;

public static class HelloSQS
{
    static async Task Main(string[] args)
    {
        var sqsClient = new AmazonSQSClient();

        Console.WriteLine($"Hello Amazon SQS! Following are some of your queues:");
        Console.WriteLine();

        // You can use await and any of the async methods to get a response.
        // Let's get the first five queues.
        var response = await sqsClient.ListQueuesAsync(
            new ListQueuesRequest()
            {
                MaxResults = 5
            });

        foreach (var queue in response.QueueUrls)
        {
            Console.WriteLine($"\tQueue Url: {queue}");
            Console.WriteLine();
        }
    }
}

Code for the CMakeLists.txt CMake file.

# Set the minimum required version of CMake for this project.
cmake_minimum_required(VERSION 3.13)

# Set the AWS service components used by this project.
set(SERVICE_COMPONENTS sqs)

# Set this project's name.
project("hello_sqs")

# Set the C++ standard to use to build this target.
# At least C++ 11 is required for the AWS SDK for C++.
set(CMAKE_CXX_STANDARD 11)

# Use the MSVC variable to determine if this is a Windows build.
set(WINDOWS_BUILD ${MSVC})

if (WINDOWS_BUILD) # Set the location where CMake can find the installed libraries for the AWS SDK.
    string(REPLACE ";" "/aws-cpp-sdk-all;" SYSTEM_MODULE_PATH "${CMAKE_SYSTEM_PREFIX_PATH}/aws-cpp-sdk-all")
    list(APPEND CMAKE_PREFIX_PATH ${SYSTEM_MODULE_PATH})
endif ()

# Find the AWS SDK for C++ package.
find_package(AWSSDK REQUIRED COMPONENTS ${SERVICE_COMPONENTS})

if(WINDOWS_BUILD AND AWSSDK_INSTALL_AS_SHARED_LIBS)
    # Copy relevant AWS SDK for C++ libraries into the current binary directory for running and debugging.

    # set(BIN_SUB_DIR "/Debug") # If you are building from the command line you may need to uncomment this
    # and set the proper subdirectory to the executables' location.

    AWSSDK_CPY_DYN_LIBS(SERVICE_COMPONENTS "" ${CMAKE_CURRENT_BINARY_DIR}${BIN_SUB_DIR})
endif()

add_executable(${PROJECT_NAME}
        hello_sqs.cpp)

target_link_libraries(${PROJECT_NAME}
        ${AWSSDK_LINK_LIBRARIES})

Code for the hello_sqs.cpp source file.

#include <aws/core/Aws.h>
#include <aws/sqs/SQSClient.h>
#include <aws/sqs/model/ListQueuesRequest.h>
#include <iostream>

/*
 *  A "Hello SQS" starter application that initializes an Amazon Simple Queue Service
 *  (Amazon SQS) client and lists the SQS queues in the current account.
 *
 *  main function
 *
 *  Usage: 'hello_sqs'
 *
 */

int main(int argc, char **argv) {
    Aws::SDKOptions options;
    // Optionally change the log level for debugging.
//   options.loggingOptions.logLevel = Utils::Logging::LogLevel::Debug;
    Aws::InitAPI(options); // Should only be called once.
    {
        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

        Aws::SQS::SQSClient sqsClient(clientConfig);

        Aws::Vector<Aws::String> allQueueUrls;
        Aws::String nextToken; // Next token is used to handle a paginated response.
        do {
            Aws::SQS::Model::ListQueuesRequest request;

            Aws::SQS::Model::ListQueuesOutcome outcome = sqsClient.ListQueues(request);

            if (outcome.IsSuccess()) {
                const Aws::Vector<Aws::String> &pageOfQueueUrls = outcome.GetResult().GetQueueUrls();
                if (!pageOfQueueUrls.empty()) {
                    allQueueUrls.insert(allQueueUrls.cend(), pageOfQueueUrls.cbegin(),
                                        pageOfQueueUrls.cend());
                }
            }
            else {
                std::cerr << "Error with SQS::ListQueues. "
                          << outcome.GetError().GetMessage()
                          << std::endl;
                break;
            }
            nextToken = outcome.GetResult().GetNextToken();
        } while (!nextToken.empty());


        std::cout << "Hello Amazon SQS! You have " << allQueueUrls.size() << " queue"
                  << (allQueueUrls.size() == 1 ? "" : "s") << " in your account."
                  << std::endl;

        if (!allQueueUrls.empty()) {
            std::cout << "Here are your queue URLs." << std::endl;
            for (const Aws::String &queueUrl: allQueueUrls) {
                std::cout << "  * " << queueUrl << std::endl;
            }
        }
    }

    Aws::ShutdownAPI(options); // Should only be called once.
    return 0;
}

package main

import (
	"context"
	"fmt"
	"log"

	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/service/sqs"
)

// main uses the AWS SDK for Go V2 to create an Amazon Simple Queue Service
// (Amazon SQS) client and list the queues in your account.
// This example uses the default settings specified in your shared credentials
// and config files.
func main() {
	ctx := context.Background()
	sdkConfig, err := config.LoadDefaultConfig(ctx)
	if err != nil {
		fmt.Println("Couldn't load default configuration. Have you set up your AWS account?")
		fmt.Println(err)
		return
	}
	sqsClient := sqs.NewFromConfig(sdkConfig)
	fmt.Println("Let's list the queues for your account.")
	var queueUrls []string
	paginator := sqs.NewListQueuesPaginator(sqsClient, &sqs.ListQueuesInput{})
	for paginator.HasMorePages() {
		output, err := paginator.NextPage(ctx)
		if err != nil {
			log.Printf("Couldn't get queues. Here's why: %v\n", err)
			break
		} else {
			queueUrls = append(queueUrls, output.QueueUrls...)
		}
	}
	if len(queueUrls) == 0 {
		fmt.Println("You don't have any queues!")
	} else {
		for _, queueUrl := range queueUrls {
			fmt.Printf("\t%v\n", queueUrl)
		}
	}
}

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sqs.SqsClient;
import software.amazon.awssdk.services.sqs.model.SqsException;
import software.amazon.awssdk.services.sqs.paginators.ListQueuesIterable;

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class HelloSQS {
    public static void main(String[] args) {
        SqsClient sqsClient = SqsClient.builder()
                .region(Region.US_WEST_2)
                .build();

        listQueues(sqsClient);
        sqsClient.close();
    }

    public static void listQueues(SqsClient sqsClient) {
        try {
            ListQueuesIterable listQueues = sqsClient.listQueuesPaginator();
            listQueues.stream()
                    .flatMap(r -> r.queueUrls().stream())
                    .forEach(content -> System.out.println(" Queue URL: " + content.toLowerCase()));

        } catch (SqsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

Initialize an Amazon SQS client and list queues.

import { SQSClient, paginateListQueues } from "@aws-sdk/client-sqs";

export const helloSqs = async () => {
  // The configuration object (`{}`) is required. If the region and credentials
  // are omitted, the SDK uses your local configuration if it exists.
  const client = new SQSClient({});

  // You can also use `ListQueuesCommand`, but to use that command you must
  // handle the pagination yourself. You can do that by sending the `ListQueuesCommand`
  // with the `NextToken` parameter from the previous request.
  const paginatedQueues = paginateListQueues({ client }, {});
  const queues = [];

  for await (const page of paginatedQueues) {
    if (page.QueueUrls?.length) {
      queues.push(...page.QueueUrls);
    }
  }

  const suffix = queues.length === 1 ? "" : "s";

  console.log(
    `Hello, Amazon SQS! You have ${queues.length} queue${suffix} in your account.`,
  );
  console.log(queues.map((t) => `  * ${t}`).join("\n"));
};

package com.kotlin.sqs

import aws.sdk.kotlin.services.sqs.SqsClient
import aws.sdk.kotlin.services.sqs.paginators.listQueuesPaginated
import kotlinx.coroutines.flow.transform

suspend fun main() {
    listTopicsPag()
}

suspend fun listTopicsPag() {
    SqsClient { region = "us-east-1" }.use { sqsClient ->
        sqsClient
            .listQueuesPaginated { }
            .transform { it.queueUrls?.forEach { queue -> emit(queue) } }
            .collect { queue ->
                println("The Queue URL is $queue")
            }
    }
}