Examples: add an option for debug outputs in echoclient

Change-Id: I9bec2324b666c00212135ef6c9d5a69594cda050
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>

3 files changed, 25 insertions, 6 deletions

diff --git a/examples/websockets/echoclient/echoclient.cpp b/examples/websockets/echoclient/echoclient.cpp
index 229ee1b..0e7b3c9 100644
--- a/examples/websockets/echoclient/echoclient.cpp
+++ b/examples/websockets/echoclient/echoclient.cpp
@@ -36,10 +36,13 @@
 QT_USE_NAMESPACE
 
 //! [constructor]
-EchoClient::EchoClient(const QUrl &url, QObject *parent) :
+EchoClient::EchoClient(const QUrl &url, bool debug, QObject *parent) :
     QObject(parent),
-    m_url(url)
+    m_url(url),
+    m_debug(debug)
 {
+    if (m_debug)
+        qDebug() << "WebSocket server:" << url;
     connect(&m_webSocket, &QWebSocket::connected, this, &EchoClient::onConnected);
     connect(&m_webSocket, &QWebSocket::disconnected, this, &EchoClient::closed);
     m_webSocket.open(QUrl(url));
@@ -49,7 +52,8 @@ EchoClient::EchoClient(const QUrl &url, QObject *parent) :
 //! [onConnected]
 void EchoClient::onConnected()
 {
-    qDebug() << "WebSocket connected";
+    if (m_debug)
+        qDebug() << "WebSocket connected";
     connect(&m_webSocket, &QWebSocket::textMessageReceived,
             this, &EchoClient::onTextMessageReceived);
     m_webSocket.sendTextMessage(QStringLiteral("Hello, world!"));
@@ -59,7 +63,8 @@ void EchoClient::onConnected()
 //! [onTextMessageReceived]
 void EchoClient::onTextMessageReceived(QString message)
 {
-    qDebug() << "Message received:" << message;
+    if (m_debug)
+        qDebug() << "Message received:" << message;
     m_webSocket.close();
 }
 //! [onTextMessageReceived]
diff --git a/examples/websockets/echoclient/echoclient.h b/examples/websockets/echoclient/echoclient.h
index 2ddef4c..dc005dc 100644
--- a/examples/websockets/echoclient/echoclient.h
+++ b/examples/websockets/echoclient/echoclient.h
@@ -40,7 +40,7 @@ class EchoClient : public QObject
 {
     Q_OBJECT
 public:
-    explicit EchoClient(const QUrl &url, QObject *parent = Q_NULLPTR);
+    explicit EchoClient(const QUrl &url, bool debug = false, QObject *parent = Q_NULLPTR);
 
 Q_SIGNALS:
     void closed();
@@ -52,6 +52,7 @@ private Q_SLOTS:
 private:
     QWebSocket m_webSocket;
     QUrl m_url;
+    bool m_debug;
 };
 
 #endif // ECHOCLIENT_H
diff --git a/examples/websockets/echoclient/main.cpp b/examples/websockets/echoclient/main.cpp
index cdc6d04..911c069 100644
--- a/examples/websockets/echoclient/main.cpp
+++ b/examples/websockets/echoclient/main.cpp
@@ -31,12 +31,25 @@
 **
 ****************************************************************************/
 #include <QtCore/QCoreApplication>
+#include <QtCore/QCommandLineParser>
+#include <QtCore/QCommandLineOption>
 #include "echoclient.h"
 
 int main(int argc, char *argv[])
 {
     QCoreApplication a(argc, argv);
-    EchoClient client(QUrl(QStringLiteral("ws://localhost:1234")));
+
+    QCommandLineParser parser;
+    parser.setApplicationDescription("QtWebSockets example: echoclient");
+    parser.addHelpOption();
+
+    QCommandLineOption dbgOption(QStringList() << "d" << "debug",
+            QCoreApplication::translate("main", "Debug output [default: off]."));
+    parser.addOption(dbgOption);
+    parser.process(a);
+    bool debug = parser.isSet(dbgOption);
+
+    EchoClient client(QUrl(QStringLiteral("ws://localhost:1234")), debug);
     QObject::connect(&client, &EchoClient::closed, &a, &QCoreApplication::quit);
 
     return a.exec();