Work on the networking. Implemented a socket server side.

.ycm_extra_conf.py

-# Generated by YCM Generator at 2015-10-02 00:15:03.628219
+# Generated by YCM Generator at 2015-10-02 17:50:02.654563
 
 # This file is NOT licensed under the GPLv3, which is the license for the rest
 # of YouCompleteMe.
@@ -38,15 +38,24 @@ flags = [
     'c++',
     '-DMAGICKCORE_HDRI_ENABLE=0',
     '-DMAGICKCORE_QUANTUM_DEPTH=16',
-    '-I/home/andkem/Dokument/Programmering/mpi-mandelbrot',
+    '-DQT_CORE_LIB',
+    '-DQT_GUI_LIB',
+    '-DQT_NETWORK_LIB',
+    '-DQT_NO_DEBUG',
+    '-DQT_WIDGETS_LIB',
     '-I/home/andkem/Program/imagemagick/include/ImageMagick-6',
-    '-I/home/andkem/Program/openmpi/include',
+    '-I/home/kempe/Documents/Programmering/mpi-mandelbrot',
+    '-I/home/kempe/lib/include',
     '-I/home/kempe/lib/include/ImageMagick-6',
-    '-I/tmp/tmpyfGoxK',
+    '-I/tmp/tmps_s0z8',
+    '-I/usr/include/qt5',
+    '-I/usr/include/qt5/QtCore',
+    '-I/usr/include/qt5/QtGui',
+    '-I/usr/include/qt5/QtNetwork',
+    '-I/usr/include/qt5/QtWidgets',
+    '-I/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++-64',
     '-std=c++11',
-    '-I/home/andkem/Program/Qt/5.5/gcc_64/include/QWidgets',
-    '-I/home/andkem/Program/Qt/5.5/gcc_64/include/QGui',
-    '-I/home/andkem/Program/Qt/5.5/gcc_64/include/QNetwork',
+    '-I/home/kempe/Documents/Programmering/mpi-mandelbrot/network',
 ]
 
 

CMakeLists.txt

 project(mpi-mandel)
-cmake_minimum_required(VERSION 3.3.2)
+cmake_minimum_required(VERSION 2.8.3)
 
 # Qt-stuff
 set(CMAKE_AUTOMOC ON)
@@ -10,11 +10,13 @@ find_package(Qt5Gui)
 find_package(Qt5Network)
 
 # Source files
-set(SERVER_SRC server/main.cpp server/mandelbrot.cpp)
+set(SERVER_SRC server/main.cpp server/mandelbrot.cpp server/server_socket.cpp)
 set(CLIENT_SRC client/main.cpp client/main_window.cpp)
+set(MANDELNET_SRC network/data_packet.cpp)
 
 include_directories(/home/andkem/Program/imagemagick/include/ImageMagick-6
                     /home/kempe/lib/include/ImageMagick-6
+                    network
                     ${Qt5Widgets_INCLUDE_DIRS}
                     ${Qt5Gui_INCLUDE_DIRS}
                     ${Qt5Network_INCLUD_DIRS})
@@ -23,6 +25,7 @@ include_directories(/home/andkem/Program/imagemagick/include/ImageMagick-6
 # Executables
 add_executable(mpi-mandel-srv ${SERVER_SRC})
 add_executable(mandel-clt ${CLIENT_SRC})
+add_library(mandelnet ${MANDELNET_SRC})
 
 
 find_library(Magick  Magick++-6.Q16 
@@ -30,10 +33,10 @@ find_library(Magick  Magick++-6.Q16
              /home/kempe/lib/lib)
 
 # Set the MPI compilers
-set(CMAKE_C_COMPILER /home/andkem/Program/openmpi/bin/mpicc)
-set(CMAKE_CXX_COMPILER /home/andkem/Program/openmpi/bin/mpicxx)
+set(CMAKE_C_COMPILER mpicc)
+set(CMAKE_CXX_COMPILER mpicxx)
 set(CMAKE_CXX_FLAGS "-DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16 -O3 -std=c++11 -fPIC")
 
 # Libraries
-target_link_libraries(mpi-mandel-srv mpi ${Magick})
+target_link_libraries(mpi-mandel-srv mpi ${Magick} Qt5::Network mandelnet)
 target_link_libraries(mandel-clt Qt5::Widgets Qt5::Gui Qt5::Network)

client/main.cpp

 #include "main_window.h"
+#include "network_defines.h"
 #include <QApplication>
 
 int main(int argc, char** argv)
 {
     QApplication app(argc, argv);
 
-    main_window wnd(nullptr);
+    main_window wnd(PORT, nullptr);
     wnd.show();
 
     return app.exec();

client/main_window.cpp

@@ -2,8 +2,8 @@
 #include <QPixmap>
 #include <QPushButton>
 
-main_window::main_window(QWidget* parent) :
-    QWidget(parent)
+main_window::main_window(unsigned int port, QWidget* parent) :
+    port(port), QWidget(parent)
 {
     mandel_image = new QImage("output.png");//(1064, 800, QImage::Format_RGB30);
 
@@ -23,7 +23,7 @@ main_window::main_window(QWidget* parent) :
 
     server = new QTcpServer(this);
     connect(server, &QTcpServer::newConnection, this, &main_window::handle_new_connection);
-    server->listen(QHostAddress::Any, 8910);
+    server->listen(QHostAddress::Any, port);
 }
 
 main_window::~main_window()
@@ -42,6 +42,7 @@ void main_window::handle_new_connection()
     socket = server->nextPendingConnection();
 
     connect(socket, &QTcpSocket::disconnected, this, &main_window::handle_socket_close);
+    connect(socket, &QTcpSocket::readyRead, this, &main_window::handle_recv_data);
 
     // Close the server since we only want one connection at a time.
     server->close();
@@ -51,5 +52,9 @@ void main_window::handle_socket_close()
 {
     socket->deleteLater();
     // If we lose the cluster process we start listening again.
-    server->listen();
+    server->listen(QHostAddress::Any, port);
+}
+
+void main_window::handle_recv_data()
+{
 }

client/main_window.h

@@ -12,7 +12,7 @@ class main_window : public QWidget
 {
     Q_OBJECT
     public:
-        main_window(QWidget* parent);
+        main_window(unsigned int port, QWidget* parent);
         ~main_window();
 
     private:
@@ -25,10 +25,15 @@ class main_window : public QWidget
         QTcpServer* server;
         QTcpSocket* socket;
 
+        const unsigned int port;
+
     public slots:
         void show_image();
+
+    private slots:
         void handle_new_connection();
         void handle_socket_close();
+        void handle_recv_data();
 
 };
 

network/data_packet.cpp

+#include "data_packet.h"
+
+data_packet::data_packet(op_codes op_code, size_t payload_size, char* payload) :
+    op_code(static_cast<quint32>(op_code)), payload_size(payload_size), payload(payload)
+{
+}
+
+data_packet::~data_packet()
+{
+    delete payload;
+}
+
+QDataStream& operator<<(QDataStream& stream, const data_packet& packet)
+{
+    stream << packet.op_code;
+    stream.writeRawData(packet.payload, packet.payload_size);
+
+    return stream;
+}

network/data_packet.h

+#ifndef DATA_PACKET_H
+#define DATA_PACKET_H
+#include <QDataStream>
+
+enum class op_codes : quint32
+{
+    TEST = 0x00000000
+};
+
+class data_packet
+{
+    friend QDataStream& operator<<(QDataStream&, const data_packet&);
+
+    public:
+        // The user is responsible for allocating memory for payload.
+        // data_packet will then call delete on it in its constructor.
+        data_packet(op_codes op_code, size_t payload_size, char* payload);
+        ~data_packet();
+
+    private:
+        quint32 op_code;
+        size_t payload_size;
+
+        char* payload;
+};
+
+QDataStream& operator<<(QDataStream& stream, const data_packet& packet);
+
+#endif

network/network_defines.h

+#ifndef NETWORK_DEFINES_H
+#define NETWORK_DEFINES_H
+
+#define PORT 8910
+
+#endif

server/main.cpp

 #include "mandelbrot.h"
+#include "server_socket.h"
+#include "network_defines.h"
+#include "data_packet.h"
 #include <mpi.h>
 #include <iostream>
 #include <Magick++.h>
@@ -60,6 +63,10 @@ int main(int argc, char** argv)
     unsigned long *calculated_values;
     unsigned long *receive_buffer = nullptr;
 
+    server_socket socket("127.0.0.1", PORT, nullptr);
+
+    data_packet(op_codes::TEST, 0, nullptr);
+
     MPI_Init(&argc, &argv);
     MPI_Comm_size(MPI_COMM_WORLD, &procs);
     MPI_Comm_rank(MPI_COMM_WORLD, &id);

server/server_socket.cpp

+#include "server_socket.h"
+#include <QDebug>
+
+using namespace std;
+
+server_socket::server_socket(QString host, unsigned int port, QObject* parent)
+{
+    connect(this, &QTcpSocket::readyRead, this, &server_socket::handle_recv_data);
+    connectToHost(host, port, QIODevice::ReadWrite, QAbstractSocket::AnyIPProtocol);
+}
+
+void server_socket::handle_recv_data()
+{
+    qDebug() << "Received data!";
+}

server/server_socket.h

+#ifndef SERVER_SOCKET_H
+#define SERVER_SOCKET_H
+#include <QTcpSocket>
+
+class server_socket : public QTcpSocket
+{
+    Q_OBJECT
+    public:
+        server_socket(QString host, unsigned int port, QObject* parent);
+
+    private slots:
+        void handle_recv_data();
+};
+
+#endif