implement server groundwork

akashi.pro

@@ -17,7 +17,8 @@ DEFINES += QT_DEPRECATED_WARNINGS
 
 SOURCES += $$files($$PWD/src/*.cpp)
 
-HEADERS += $$files($$PWD/include/*.h)
+HEADERS += $$files($$PWD/include/*.h) \
+    include/aoclient.h
 
 FORMS += $$files($$PWD/resource/forms/*.ui)
 

include/advertiser.h

@@ -1,7 +1,7 @@
 #ifndef MASTER_H
 #define MASTER_H
 
-#include <include/aopacket.h>
+#include "include/aopacket.h"
 
 #include <QApplication>
 #include <QHostAddress>

include/akashimain.h

@@ -1,9 +1,9 @@
 #ifndef AKASHIMAIN_H
 #define AKASHIMAIN_H
 
-#include <include/advertiser.h>
-#include <include/config_manager.h>
-#include <include/server.h>
+#include "include/advertiser.h"
+#include "include/config_manager.h"
+#include "include/server.h"
 
 #include <QDebug>
 #include <QMainWindow>

include/aoclient.h

@@ -0,0 +1,15 @@
+#ifndef AOCLIENT_H
+#define AOCLIENT_H
+
+#include <QTcpSocket>
+
+class AOClient
+{
+public:
+    AOClient();
+
+private:
+
+};
+
+#endif // AOCLIENT_H

include/aopacket.h

@@ -2,16 +2,17 @@
 #define PACKET_MANAGER_H
 
 #include <QByteArray>
+#include <QDebug>
 #include <QString>
 #include <QStringList>
 
 class AOPacket {
 public:
   AOPacket(QString p_header, QStringList p_contents);
+  AOPacket(QString packet);
   QString toString();
   QByteArray toUtf8();
 
-private:
   QString header;
   QStringList contents;
 };

include/server.h

@@ -1,19 +1,37 @@
 #ifndef SERVER_H
 #define SERVER_H
 
+#include "include/aopacket.h"
+#include "include/aoclient.h"
+
 #include <QString>
 #include <QTcpServer>
+#include <QTcpSocket>
+#include <QMap>
 
 class Server : public QObject {
   Q_OBJECT
 
 public:
-  Server(int p_port, int p_ws_port);
+  Server(int p_port, int p_ws_port, QObject* parent = nullptr);
   void start();
 
+signals:
+
+public slots:
+  void clientConnected();
+  void clientDisconnected();
+  void clientData();
+
 private:
+  QTcpServer* server;
+
   int port;
   int ws_port;
+
+  QMap<QTcpSocket*, AOClient> clients;
+  QString partial_packet;
+  bool is_partial;
 };
 
 #endif // SERVER_H

src/akashimain.cpp

@@ -19,6 +19,7 @@ AkashiMain::AkashiMain(QWidget *parent)
     }
     else {
       if (settings.advertise_server) {
+        // TODO: send signal advertiser started
         advertiser = new Advertiser(settings.ms_ip, settings.port,
                                     settings.ws_port, settings.local_port,
                                     settings.name, settings.description, this);

src/aoclient.cpp

@@ -0,0 +1,6 @@
+#include "include/aoclient.h"
+
+AOClient::AOClient()
+{
+
+}

src/aopacket.cpp

@@ -1,4 +1,4 @@
-#include <include/aopacket.h>
+#include "include/aopacket.h"
 
 AOPacket::AOPacket(QString p_header, QStringList p_contents)
 {
@@ -6,6 +6,24 @@ AOPacket::AOPacket(QString p_header, QStringList p_contents)
   contents = p_contents;
 }
 
+AOPacket::AOPacket(QString p_packet)
+{
+    QStringList packet_contents = p_packet.split("#");
+    if(p_packet.at(0) == '#') {
+        // The header is encrypted with FantaCrypt
+        // The server always uses the same key for FantaCrypt
+        // That way, we can just hardcode FantaCrypted headers
+        packet_contents.removeFirst();
+        if(packet_contents[0] == "48E0")
+            header = "HI";
+    }
+    else {
+        header = packet_contents[0];
+    }
+    packet_contents.removeFirst();
+    contents = packet_contents;
+}
+
 QString AOPacket::toString()
 {
   QString ao_packet = header;

src/config_manager.cpp

@@ -1,4 +1,4 @@
-#include <include/config_manager.h>
+#include "include/config_manager.h"
 
 ConfigManager::ConfigManager()
 {

src/server.cpp

@@ -1,9 +1,71 @@
 #include "include/server.h"
 
-Server::Server(int p_port, int p_ws_port)
+Server::Server(int p_port, int p_ws_port, QObject* parent)
+    : QObject(parent)
 {
+  server = new QTcpServer(this);
+  connect(server, SIGNAL(newConnection()), this, SLOT(clientConnected()));
+
   port = p_port;
   ws_port = p_ws_port;
 }
 
-void Server::start() {}
+void Server::start()
+{
+    // TODO: websockets lul
+    // Maybe websockets should be handled by a separate intermediate part of the code?
+    // The idea being that it is a websocket server, and all it does is create a
+    // local connection to the raw tcp server.
+    // The main issue with this is that it will cause problems with bans, ipids, etc
+    // But perhaps this can be negotiated by sending some extra data over?
+    // No idea. I'll wait for long to read this massive comment and DM me on discord
+    if(!server->listen(QHostAddress::Any, port))
+    {
+        // TODO: signal server start failed
+        qDebug() << "Server error:" << server->errorString();
+    }
+    else
+    {
+        // TODO: signal server start success
+        qDebug() << "Server listening on" << port;
+    }
+}
+
+void Server::clientConnected()
+{
+    QTcpSocket* client = server->nextPendingConnection();
+    AOClient ao_client;
+    clients.insert(client, ao_client);
+    connect(client, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
+    connect(client, SIGNAL(readyRead()), this, SLOT(clientData()));
+
+    AOPacket decryptor("decryptor", {"34"});
+    client->write(decryptor.toUtf8());
+
+    qDebug() << client->peerAddress().toString() << "connected";
+}
+
+void Server::clientDisconnected()
+{
+    if(QTcpSocket* client = dynamic_cast<QTcpSocket*>(sender())){
+        qDebug() << client->peerAddress() << "disconnected";
+        clients.remove(client);
+    }
+}
+
+void Server::clientData()
+{
+    if(QTcpSocket* client = dynamic_cast<QTcpSocket*>(sender())){
+        QString data = QString::fromUtf8(client->readAll());
+        qDebug() << "From" << client->peerAddress() << ":" << data;
+
+        if(is_partial) {
+            data = partial_packet + data;
+        }
+        if(!data.endsWith("%")){
+            is_partial = true;
+        }
+
+        AOPacket packet(data);
+    }
+}