(C# UWP/WinRT) SQS Receive Message

Retrieves one or more messages from an Amazon SQS queue, with a maximum limit of 10 messages, from the specified queue.

See SQS ReceiveMessage or detailed information.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Chilkat.Rest rest = new Chilkat.Rest();

// Connect to the Amazon AWS REST server.
// such as https://sqs.us-west-2.amazonaws.com/
bool bTls = true;
int port = 443;
bool bAutoReconnect = true;
bool success = await rest.ConnectAsync("sqs.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

// Provide AWS credentials for the REST call.
Chilkat.AuthAws authAws = new Chilkat.AuthAws();
authAws.AccessKey = "AWS_ACCESS_KEY";
authAws.SecretKey = "AWS_SECRET_KEY";
// the region should match our URL above..
authAws.Region = "us-west-2";
authAws.ServiceName = "sqs";

rest.SetAuthAws(authAws);

rest.AddQueryParam("Action","ReceiveMessage");
rest.AddQueryParam("MaxNumberOfMessages","5");
rest.AddQueryParam("VisibilityTimeout","15");
rest.AddQueryParam("AttributeName","All");
rest.AddQueryParam("MessageAttributeName","All");

// Use the actual path part of your SQS queue URL here:
string responseXml = await rest.FullRequestNoBodyAsync("GET","/123456789123/chilkatTest");
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// A successful response will have a status code equal to 200.
if (rest.ResponseStatusCode != 200) {
    Debug.WriteLine("response status code = " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("response status text = " + rest.ResponseStatusText);
    Debug.WriteLine("response header: " + rest.ResponseHeader);
    Debug.WriteLine("response body: " + responseXml);
    return;
}

// Examine the successful XML response.
Chilkat.Xml xml = new Chilkat.Xml();
xml.LoadXml(responseXml);
Debug.WriteLine(xml.GetXml());
Debug.WriteLine("----");

// A successful response looks like this:
// <?xml version="1.0" encoding="utf-8" ?>
// <ReceiveMessageResponse xmlns="http://queue.amazonaws.com/doc/2012-11-05/">
//     <ReceiveMessageResult>
//         <Message>
//             <Body>this is a test</Body>
//             <MD5OfBody>54b0c58c7ce9f2a8b551351102ee0938</MD5OfBody>
//             <ReceiptHandle>AQEBMyLof...UbKBTvHtEg==</ReceiptHandle>
//             <Attribute>
//                 <Name>SenderId</Name>
//                 <Value>957491831129</Value>
//             </Attribute>
//             <Attribute>
//                 <Name>ApproximateFirstReceiveTimestamp</Name>
//                 <Value>1475013283557</Value>
//             </Attribute>
//             <Attribute>
//                 <Name>ApproximateReceiveCount</Name>
//                 <Value>4</Value>
//             </Attribute>
//             <Attribute>
//                 <Name>SentTimestamp</Name>
//                 <Value>1475013283557</Value>
//             </Attribute>
//             <MessageId>52882c65-5e21-4450-9024-93a3b01e61d3</MessageId>
//             <MD5OfMessageAttributes>2ff68603f4239272bd03f543254ed040</MD5OfMessageAttributes>
//         </Message>
//     </ReceiveMessageResult>
//     <ResponseMetadata>
//         <RequestId>05ba5c92-80ee-5f87-be76-0cf67b7475d6</RequestId>
//     </ResponseMetadata>
// </ReceiveMessageResponse>

// Get some values from the XML:
Debug.WriteLine("Body: " + xml.ChilkatPath("ReceiveMessageResult|Message|Body|*"));
Debug.WriteLine("MessageId: " + xml.ChilkatPath("ReceiveMessageResult|Message|MessageId|*"));

string unused = xml.ChilkatPath("ReceiveMessageResult|Message[0]|Attribute|$");

Chilkat.Xml rec = xml.FindNextRecord("Name","SenderId");
Debug.WriteLine("SenderId: " + rec.GetChildContent("Value"));

rec = xml.FindNextRecord("Name","ApproximateFirstReceiveTimestamp");
Debug.WriteLine("ApproximateFirstReceiveTimestamp: " + rec.GetChildContent("Value"));

rec = xml.FindNextRecord("Name","ApproximateReceiveCount");
Debug.WriteLine("ApproximateReceiveCount: " + rec.GetChildContent("Value"));

rec = xml.FindNextRecord("Name","SentTimestamp");
Debug.WriteLine("SentTimestamp: " + rec.GetChildContent("Value"));

xml.GetRoot2();