second test

udpsender.cpp

@@ -0,0 +1,45 @@
+#include "udpsender.h"
+
+
+UdpSender::UdpSender(QString IP, quint16 Port)
+{
+	sock = new QUdpSocket();
+    qDebug() << sock->state();
+    //cout << sock->socketDescriptor() << endl;
+    //qDebug() << sock->socketDescriptor();
+	addr = QHostAddress(IP);
+	port = Port;
+    connect(sock, SIGNAL(readyRead()),this, SLOT(slotRead()));
+}
+
+
+UdpSender::~UdpSender()
+{
+    sock->close();
+	delete sock;
+}
+
+
+void UdpSender::slotRead()
+{
+    QString s;
+    QByteArray * recdata = new QByteArray();
+    *recdata = sock->readAll();
+    s = *recdata;
+    cout << "Received data: ";
+    for (int i = 0; i < s.length(); i++) cout << s[i].toAscii();
+    cout << endl;
+    qDebug() << sock->write(recstr.toUtf8());
+    qDebug() << sock->socketDescriptor();
+}
+
+
+void UdpSender::connectSend(QString s)
+{
+	sz = s.length();
+    sock->connectToHost(addr,port);
+    qDebug() << sock->error();
+    qDebug() << sock->state();
+    qDebug() << sock->socketDescriptor();
+    if (sock->write(s.toUtf8())>0) qDebug() << "writen!";
+}