(Node.js) Azure Service Bus - Send Batch of Messages to Topic or Queue

See more Azure Service Bus Examples

Shows how to send a batch of messages to a service bus queue or topic.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // Note: Requires Chilkat v9.5.0.65 or greater.

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

    // Make the initial connection.
    // A single REST object, once connected, can be used for many Azure Service Bus REST API calls.
    // The auto-reconnect indicates that if the already-established HTTPS connection is closed,
    // then it will be automatically re-established as needed.
    var rest = new chilkat.Rest();
    var bAutoReconnect = true;
    var success = rest.Connect("<yournamespace>.servicebus.windows.net",443,true,bAutoReconnect);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // ----------------------------------------------------------------------------------------------
    // The code above this comment could be placed inside a function/subroutine within the application
    // because the connection does not need to be made for every request.  Once the connection is made
    // the app may send many requests..
    // ----------------------------------------------------------------------------------------------

    // Let's load a previously computed SAS token and use it.
    // See Azure Shared Access Signature for an example to genenerate an Azure SAS token.
    var sbToken = new chilkat.StringBuilder();
    sbToken.LoadFile("qa_data/tokens/serviceBusSas.txt","utf-8");

    // Tell the REST object to use the Azure Shared Access Signature for authorization.
    sbToken.Prepend("SharedAccessSignature ");
    rest.AddHeader("Authorization",sbToken.GetAsString());

    // ----------------------------------------------------------------------------------------------

    // Send to a topic (or queue) named "gilaMonster";
    var topicOrQueueName = "gilaMonster";

    // The HTTP request body contains JSON that contains multiple messages.
    var json = new chilkat.JsonObject();
    json.I = 0;
    json.UpdateString("messages[i].Body","This is the first message");
    json.UpdateString("messages[i].BrokerProperties.Label","M1");
    json.UpdateString("messages[i].BrokerProperties.TimeToLiveTimeSpan","0.00:00:40");

    json.I = 1;
    json.UpdateString("messages[i].Body","This is the second message");
    json.UpdateString("messages[i].BrokerProperties.Label","M2");
    json.UpdateString("messages[i].UserProperties.Priority","Low");

    json.I = 2;
    json.UpdateString("messages[i].Body","This is the third message");
    json.UpdateString("messages[i].BrokerProperties.Label","M3");
    json.UpdateString("messages[i].UserProperties.Priority","Medium");
    json.UpdateString("messages[i].UserProperties.Customer","ABC");

    // jsonA: JsonArray
    var jsonA = json.ArrayOf("messages");
    jsonA.EmitCompact = false;
    console.log(jsonA.Emit());

    // The following JSON array is produced by the above code:

    // 	[
    // 	  {
    // 	    "Body": "This is the first message",
    // 	    "BrokerProperties": {
    // 	      "Label": "M1",
    // 	      "TimeToLiveTimeSpan": "0.00:00:40"
    // 	    }
    // 	  },
    // 	  {
    // 	    "Body": "This is the second message",
    // 	    "BrokerProperties": {
    // 	      "Label": "M2"
    // 	    },
    // 	    "UserProperties": {
    // 	      "Priority": "Low"
    // 	    }
    // 	  },
    // 	  {
    // 	    "Body": "This is the third message",
    // 	    "BrokerProperties": {
    // 	      "Label": "M3"
    // 	    },
    // 	    "UserProperties": {
    // 	      "Priority": "Medium",
    // 	      "Customer": "ABC"
    // 	    }
    // 	  }
    // 	]

    var sbRequestBody = new chilkat.StringBuilder();
    jsonA.EmitCompact = true;
    jsonA.EmitSb(sbRequestBody);

    // Build the path..
    var sbPath = new chilkat.StringBuilder();
    sbPath.Append("/");
    sbPath.Append(topicOrQueueName);
    sbPath.Append("/messages");

    // Add timeout and api-version query parameters.
    rest.AddQueryParam("timeout","20");

    // The Content-Type should be "application/vnd.microsoft.servicebus.json"
    rest.AddHeader("Content-Type","application/vnd.microsoft.servicebus.json");

    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestSb("POST",sbPath.GetAsString(),sbRequestBody,sbResponseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    console.log("Response Status Code = " + rest.ResponseStatusCode);

    // Check for a success response.
    if (rest.ResponseStatusCode !== 201) {
        console.log(rest.LastRequestStartLine);
        console.log(rest.LastRequestHeader);
        console.log(sbResponseBody.GetAsString());
        console.log("Failed.");
        return;
    }

    // If successful, the 201 response will have no response body.

    console.log("Success.");

}

chilkatExample();