Console CoAP Client Example

 // Copyright (C) 2017 Witekio.
 // Copyright (C) 2018 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

 #include "coaphandler.h"

 #include <QCoreApplication>
 #include <QCommandLineParser>
 #include <QUrl>

 int main(int argc, char *argv[])
 {
     QCoreApplication a(argc, argv);

     QCommandLineParser parser;
     parser.setApplicationDescription("Qt CoAP test application");
     parser.addHelpOption();
     parser.addPositionalArgument("url",
                                  "The targeted coap resource URL, e.g. 'coap://10.10.10.10/myresource'");
     parser.addOption({"get", "Use GET method for the request. This is the default method"});
     parser.addOption({"post", "Use POST method for the request"});
     parser.addOption({"put", "Use PUT method for the request"});
     parser.addOption({"delete", "Use DELETE method for the request"});
     parser.addOption({"observe", "Observe a resource"});
     parser.addOption({"discover", "Discover available resources"});

     parser.process(a);

     if (parser.positionalArguments().isEmpty()) {
         qWarning("Please provide an url for the request");
         parser.showHelp(1);
     }

     QUrl url = parser.positionalArguments().first();
     if (!url.isValid()) {
         qWarning("The url provided is not valid.");
         parser.showHelp(1);
     }

     CoapHandler handler;
     if (parser.isSet("get"))        handler.runGet(url);
     if (parser.isSet("post"))       handler.runPost(url);
     if (parser.isSet("put"))        handler.runPut(url);
     if (parser.isSet("delete"))     handler.runDelete(url);
     if (parser.isSet("observe"))    handler.runObserve(url);
     if (parser.isSet("discover"))   handler.runDiscover(url);

     return a.exec();
 }