athens-cpp-project/protocolhandler.cpp at master · lokiledev/athens-cpp-project · GitHub

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#include<QDataStream>
#include"protocolhandler.h"
#include"packetnick.h"
#include"packetjoin.h"
#include"packetmessage.h"
#include"packetacknick.h"

ProtocolHandler::ProtocolHandler(QObject *parent) :
 QObject(parent),
 host_("127.0.0.1"),
 port_("12345"),
 nickname_("loki"),
 currentChan_("#public"),
 registered_(false)
{
connect(&sock_,SIGNAL(connected()),this,SLOT(slotConnected()));
connect(&timer_, SIGNAL(timeout()),this, SLOT(slotRead()));
connect(&sock_,
SIGNAL(error(QAbstractSocket::SocketError)),
this,
SLOT(slotError(QAbstractSocket::SocketError)));
 timer_.start(100);
 inBuf_.clear();
}

voidProtocolHandler::setHostAndPort(const QString& hostAdd, const QString& port)
{
 host_ = hostAdd;
 port_ = port;
}

voidProtocolHandler::connectToServer()
{
 sock_.connectToHost(host_,port_.toInt());
}

voidProtocolHandler::disconnectFromServer()
{
 sock_.disconnectFromHost();
}

voidProtocolHandler::sendMessage(const QString& mess)
{
if (mess.startsWith("/nick"))
 {
 QStringList list = mess.split("");
 QString nick = list[1];
qDebug()<<"nick: "<<nick;
 PacketNick pack(nick);

//test serialize in stream
 QByteArray array;
 QDataStream stream (&array, QIODevice::WriteOnly);
 stream<<pack;
qDebug()<<"raw Packet: "<<array;

sendPacket(pack);
 nickname_ = nick;
 }
elseif (mess.startsWith("/join"))
 {
 QStringList list = mess.split("");
 QString channel = list[1];
qDebug()<<"channel: "<<channel;
 PacketJoin pack(channel);

//test serialize in stream
 QByteArray array;
 QDataStream stream (&array, QIODevice::WriteOnly);
 stream<<pack;
qDebug()<<"raw Packet: "<<array;

sendPacket(pack);
 currentChan_ = channel;
 }
elseif(mess.startsWith("/p"))
 {
 QStringList list = mess.split("");
if (list.size() >= 3)
 {
 QString dest = list[1];
 list.pop_front();
 list.pop_front();
 QString message = list.join("");
qDebug()<<"Private msg from: "<<nickname_<<"to: "<<dest<<""<<message;
 PacketMessage pack(nickname_,dest,message);
sendPacket(pack);
 }
 }
else
 {
 PacketMessage pack(nickname_, currentChan_, mess);
sendPacket(pack);
 }
}

voidProtocolHandler::sendPacket(Packet& packet)
{
if (sock_.state() == QTcpSocket::ConnectedState)
 {
 sock_<<packet;
 }
}

voidProtocolHandler::slotConnected()
{
 emit connected();
}

QString ProtocolHandler::getTextMsg()
{
returnQString("Message received");
}

voidProtocolHandler::slotRead()
{
if (sock_.bytesAvailable() > 0)
 {
char header[12];
 sock_.read(header,12);
 Packet::message_header_t* h = reinterpret_cast<Packet::message_header_t*>(header);
int datalen = h->length-Packet::HEADER_LENGTH;
char * payload = newchar[datalen];
 sock_.read(payload,datalen);

switch((Packet::PacketType_t)h->type)
 {
case Packet::ACK_CHANGE_NICK:
 {
 PacketAckNick pack("");
 pack.setHeader(*h);
 pack.setPayload(payload);
 registered_ = pack.acked();
if (registered_)
 {
 QString mess = QString("NickName %1 registered on server").arg(nickname_);
 emit NewMessage(mess);
 }
 }
break;
case Packet::MESSAGE:
 {
 PacketMessage pack("","","");
 pack.setHeader(*h);
 pack.setPayload(payload);
 QString mess = QString("%0: %1").arg(pack.from()).arg(pack.getMessage());
if (mess.size() > 0)
 {
 emit NewMessage(mess);
 }
 }
default:
break;
 }
 }
}

voidProtocolHandler::slotError(QAbstractSocket::SocketError e)
{
switch (e)
 {
case QAbstractSocket::RemoteHostClosedError:
qDebug()<<"Connection reset by peer";
disconnectFromServer();
connectToServer();
break;
default:
qDebug()<<"Unknown socket error: "<<e;
disconnectFromServer();
connectToServer();
break;
 }
}