C++

Azure Service Bus - Send Message to Queue

See more Azure Service Bus Examples

Demonstrates sending a message to an Azure Service Bus Queue. C++

#include <CkRest.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    bool success = false;

    // 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.
    CkRest rest;
    bool bAutoReconnect = true;
    success = rest.Connect("<yournamespace>.servicebus.windows.net",443,true,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        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.
    CkStringBuilder sbToken;
    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 queue named "gila";
    const char *queueName = "gila";

    // The HTTP request body contains the content of the message sent to the queue.
    CkStringBuilder sbRequestBody;
    sbRequestBody.Append("Hello, I'm a gila monster, and I may bite!");

    // Build the path..
    CkStringBuilder sbPath;
    sbPath.Append("/");
    sbPath.Append(queueName);
    sbPath.Append("/messages");

    // Add timeout and api-version query parameters.
    rest.AddQueryParam("timeout","20");
    rest.AddQueryParam("api-version","2013-08");

    // Standard brokered message properties are placed in a BrokerProperties HTTP header. 
    // The broker properties must be serialized in JSON format. To specify a TimeToLive value of 3600 seconds 
    // and to add a message label "M1" to the message..
    CkJsonObject json;
    json.AppendInt("TimeToLive",3600);
    json.AppendString("Label","M1");
    rest.AddHeader("BrokerProperties",json.emit());

    // To add custom properties, such as "Priority" and "Color"
    rest.AddHeader("Priority","High");
    rest.AddHeader("Customer","12345");

    CkStringBuilder sbResponseBody;
    success = rest.FullRequestSb("POST",sbPath.getAsString(),sbRequestBody,sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "Response Status Code = " << rest.get_ResponseStatusCode() << "\r\n";

    // Check for a success response.
    if (rest.get_ResponseStatusCode() != 201) {
        std::cout << rest.lastRequestStartLine() << "\r\n";
        std::cout << rest.lastRequestHeader() << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        std::cout << "Failed." << "\r\n";
        return;
    }

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

    std::cout << "Success." << "\r\n";
    }