Messing around with Qt. Just the beginning.

diff --git a/Qt/DeviceAgent/DeviceAgent.pro b/Qt/DeviceAgent/DeviceAgent.pro
new file mode 100644 (file)
index 0000000..27e8845
--- /dev/null
+++ b/Qt/DeviceAgent/DeviceAgent.pro
@@ -0,0 +1,21 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2013-09-06T18:25:52
+#
+#-------------------------------------------------
+
+QT       += core gui
+QT       += network
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = DeviceAgent
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        deviceagent.cpp
+
+HEADERS  += deviceagent.h
+
+FORMS    += deviceagent.ui

diff --git a/Qt/DeviceAgent/DeviceAgent.pro.user b/Qt/DeviceAgent/DeviceAgent.pro.user
new file mode 100644 (file)
index 0000000..374ab33
--- /dev/null
+++ b/Qt/DeviceAgent/DeviceAgent.pro.user
@@ -0,0 +1,242 @@
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diff --git a/Qt/DeviceAgent/deviceagent.cpp b/Qt/DeviceAgent/deviceagent.cpp
new file mode 100644 (file)
index 0000000..7d516ca
--- /dev/null
+++ b/Qt/DeviceAgent/deviceagent.cpp
@@ -0,0 +1,105 @@
+#include "deviceagent.h"
+#include "ui_deviceagent.h"
+#include <QtNetwork>
+#include <QtGui>
+#include <QTemporaryFile>
+#include <string.h>
+
+DeviceAgent::DeviceAgent(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::DeviceAgent)
+{
+    tcpServer = new QTcpServer(this);
+    QHostAddress address = QHostAddress::LocalHost;
+    tcpServer->listen(address, 3333);
+    file = new QTemporaryFile();
+    file->open();
+    out = new  QTextStream (file);
+
+    connect(tcpServer, SIGNAL(newConnection()), this, SLOT(acceptConnection()));
+
+    ui->setupUi(this);
+}
+
+DeviceAgent::~DeviceAgent()
+{
+    delete ui;
+}
+
+void DeviceAgent::acceptConnection()
+{
+    clientConnection = tcpServer->nextPendingConnection();
+    connect(clientConnection, SIGNAL(disconnected()),
+            clientConnection, SLOT(deleteLater()));
+
+    connect(clientConnection, SIGNAL(error(QAbstractSocket::SocketError)),
+//! [3]
+            this, SLOT(displayError(QAbstractSocket::SocketError)));
+//    connect(clientConnection, SIGNAL(readyRead()), this, SLOT(dataFromClient()));
+    connect(clientConnection, SIGNAL(disconnected()), this, SLOT(endFromClient()));
+
+    char data[10];
+    char currentData[11];
+    memset(data, 0, sizeof(data));
+    memset(currentData, 0, sizeof(currentData));
+    for (;;) {
+        if (clientConnection->waitForReadyRead()) {
+            int numData;
+            numData = clientConnection->read(data, sizeof(data));
+            while (numData != 0) {
+
+                if (numData == -1) {
+                    clientConnection->close();
+                    endFromClient();
+                    return;
+                }
+
+                memcpy(currentData, data, numData);
+
+                *out << currentData;
+
+                memset(data, 0, sizeof(data));
+                memset(currentData, 0, sizeof(currentData));
+
+                numData = clientConnection->read(data, sizeof(data));
+            }
+
+
+        }
+        else {
+            clientConnection->close();
+            endFromClient();
+            return;
+        }
+    }
+}
+
+void DeviceAgent::endFromClient()
+{
+    clientConnection->deleteLater();
+    file->close();
+}
+
+void DeviceAgent::displayError(QAbstractSocket::SocketError socketError)
+{
+    switch (socketError) {
+    case QAbstractSocket::RemoteHostClosedError:
+        break;
+    case QAbstractSocket::HostNotFoundError:
+        QMessageBox::information(this, tr("Fortune Client"),
+                                 tr("The host was not found. Please check the "
+                                    "host name and port settings."));
+        break;
+    case QAbstractSocket::ConnectionRefusedError:
+        QMessageBox::information(this, tr("Fortune Client"),
+                                 tr("The connection was refused by the peer. "
+                                    "Make sure the fortune server is running, "
+                                    "and check that the host name and port "
+                                    "settings are correct."));
+        break;
+    default:
+        QMessageBox::information(this, tr("Fortune Client"),
+                                 tr("The following error occurred: %1.")
+                                 .arg(clientConnection->errorString()));
+    }
+}

diff --git a/Qt/DeviceAgent/deviceagent.h b/Qt/DeviceAgent/deviceagent.h
new file mode 100644 (file)
index 0000000..f55c23e
--- /dev/null
+++ b/Qt/DeviceAgent/deviceagent.h
@@ -0,0 +1,39 @@
+#ifndef DEVICEAGENT_H
+#define DEVICEAGENT_H
+
+#include <QMainWindow>
+#include <QTcpSocket>
+#include <QTextStream>
+#include <QTemporaryFile>
+
+QT_BEGIN_NAMESPACE
+class QTcpServer;
+class QTcpSocket;
+QT_END_NAMESPACE
+
+namespace Ui {
+class DeviceAgent;
+}
+
+class DeviceAgent : public QMainWindow
+{
+    Q_OBJECT
+    
+public:
+    explicit DeviceAgent(QWidget *parent = 0);
+    ~DeviceAgent();
+
+private slots:
+    void acceptConnection();
+    void displayError(QAbstractSocket::SocketError socketError);
+    void endFromClient();
+
+private:
+    Ui::DeviceAgent *ui;
+    QTcpServer *tcpServer;
+    QTcpSocket *clientConnection;
+    QTextStream *out;
+    QTemporaryFile *file;
+};
+
+#endif // DEVICEAGENT_H

diff --git a/Qt/DeviceAgent/deviceagent.ui b/Qt/DeviceAgent/deviceagent.ui
new file mode 100644 (file)
index 0000000..c27d5ca
--- /dev/null
+++ b/Qt/DeviceAgent/deviceagent.ui
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DeviceAgent</class>
+ <widget class="QMainWindow" name="DeviceAgent">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>DeviceAgent</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <widget class="QTextEdit" name="textEdit">
+    <property name="geometry">
+     <rect>
+      <x>70</x>
+      <y>60</y>
+      <width>241</width>
+      <height>51</height>
+     </rect>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>400</width>
+     <height>22</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuDeviceAgent">
+    <property name="title">
+     <string>DeviceAgent</string>
+    </property>
+   </widget>
+   <addaction name="menuDeviceAgent"/>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>

diff --git a/Qt/DeviceAgent/main.cpp b/Qt/DeviceAgent/main.cpp
new file mode 100644 (file)
index 0000000..b4b4e07
--- /dev/null
+++ b/Qt/DeviceAgent/main.cpp
@@ -0,0 +1,11 @@
+#include <QApplication>
+#include "deviceagent.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    DeviceAgent w;
+    w.show();
+    
+    return a.exec();
+}