彻底改版2.0

tool/livedemo/applive.cpp

@@ -0,0 +1,66 @@
+#include "applive.h"
+#include "qmutex.h"
+#include "qudpsocket.h"
+#include "qstringlist.h"
+#include "qapplication.h"
+#include "qdatetime.h"
+#include "qdebug.h"
+
+#define TIMEMS qPrintable(QTime::currentTime().toString("HH:mm:ss zzz"))
+
+QScopedPointer<AppLive> AppLive::self;
+AppLive *AppLive::Instance()
+{
+    if (self.isNull()) {
+        QMutex mutex;
+        QMutexLocker locker(&mutex);
+        if (self.isNull()) {
+            self.reset(new AppLive);
+        }
+    }
+
+    return self.data();
+}
+
+AppLive::AppLive(QObject *parent) : QObject(parent)
+{
+    udpServer  = new QUdpSocket(this);
+
+    QString name = qApp->applicationFilePath();
+    QStringList list = name.split("/");
+    appName = list.at(list.count() - 1).split(".").at(0);
+}
+
+void AppLive::readData()
+{
+    QByteArray tempData;
+
+    do {
+        tempData.resize(udpServer->pendingDatagramSize());
+        QHostAddress sender;
+        quint16 senderPort;
+        udpServer->readDatagram(tempData.data(), tempData.size(), &sender, &senderPort);
+        QString data = QLatin1String(tempData);
+
+        if (data == "hello") {
+            udpServer->writeDatagram(QString("%1OK").arg(appName).toLatin1(), sender, senderPort);
+        }
+    } while (udpServer->hasPendingDatagrams());
+}
+
+bool AppLive::start(int port)
+{
+    bool ok = udpServer->bind(port);
+    if (ok) {
+        connect(udpServer, SIGNAL(readyRead()), this, SLOT(readData()));
+        qDebug() << TIMEMS << "Start AppLive Ok";
+    }
+
+    return ok;
+}
+
+void AppLive::stop()
+{
+    udpServer->abort();
+    disconnect(udpServer, SIGNAL(readyRead()), this, SLOT(readData()));
+}