servatrice/cockatrice/src/client.cpp
Max-Wilhelm Bruker 77f5ec29eb some gui code
2009-11-16 17:18:13 +01:00

378 lines
No EOL
11 KiB
C++

#include <QTimer>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include "client.h"
#include "protocol.h"
#include "protocol_items.h"
Client::Client(QObject *parent)
: QObject(parent), currentItem(0), status(StatusDisconnected)
{
ProtocolItem::initializeHash();
timer = new QTimer(this);
timer->setInterval(1000);
connect(timer, SIGNAL(timeout()), this, SLOT(ping()));
socket = new QTcpSocket(this);
connect(socket, SIGNAL(connected()), this, SLOT(slotConnected()));
connect(socket, SIGNAL(readyRead()), this, SLOT(readData()));
connect(socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(slotSocketError(QAbstractSocket::SocketError)));
xmlReader = new QXmlStreamReader;
xmlWriter = new QXmlStreamWriter;
xmlWriter->setAutoFormatting(true);
xmlWriter->setDevice(socket);
}
Client::~Client()
{
disconnectFromServer();
}
void Client::slotSocketError(QAbstractSocket::SocketError /*error*/)
{
emit logSocketError(socket->errorString());
disconnectFromServer();
}
void Client::slotConnected()
{
timer->start();
setStatus(StatusAwaitingWelcome);
}
void Client::loginResponse(ResponseCode response)
{
if (response == RespOk)
setStatus(StatusLoggedIn);
else {
emit serverError(response);
disconnectFromServer();
}
}
void Client::readData()
{
QByteArray data = socket->readAll();
qDebug() << data;
xmlReader->addData(data);
if (currentItem) {
if (!currentItem->read(xmlReader))
return;
currentItem = 0;
}
while (!xmlReader->atEnd()) {
xmlReader->readNext();
if (xmlReader->isStartElement()) {
QString itemType = xmlReader->name().toString();
if (itemType == "cockatrice_server_stream") {
int serverVersion = xmlReader->attributes().value("version").toString().toInt();
if (serverVersion != ProtocolItem::protocolVersion) {
emit protocolVersionMismatch(ProtocolItem::protocolVersion, serverVersion);
disconnectFromServer();
return;
} else {
xmlWriter->writeStartDocument();
xmlWriter->writeStartElement("cockatrice_client_stream");
xmlWriter->writeAttribute("version", QString::number(ProtocolItem::protocolVersion));
setStatus(StatusLoggingIn);
Command_Login *cmdLogin = new Command_Login(userName, password);
connect(cmdLogin, SIGNAL(finished(ResponseCode)), this, SLOT(loginResponse(ResponseCode)));
sendCommand(cmdLogin);
continue;
}
}
QString itemName = xmlReader->attributes().value("name").toString();
qDebug() << "parseXml: startElement: " << "type =" << itemType << ", name =" << itemName;
currentItem = ProtocolItem::getNewItem(itemType + itemName);
if (!currentItem)
continue;
if (!currentItem->read(xmlReader))
return;
else {
processProtocolItem(currentItem);
currentItem = 0;
}
}
}
/*
while (socket->canReadLine()) {
QString line = QString(socket->readLine()).trimmed();
if (line.isNull())
break;
qDebug(QString("<< %1").arg(line).toLatin1());
QStringList values = line.split("|");
QString prefix = values.takeFirst();
// prefix is one of {welcome, private, public, resp, list_games, list_players, list_counters, list_zones, dump_zone}
if ((prefix == "private") || (prefix == "public")) {
ServerEventData event(line);
emit gameEvent(event);
} else if (prefix == "chat") {
emit chatEvent(ChatEventData(line));
} else if (prefix == "resp") {
if (values.size() != 2) {
qDebug("Client::parseCommand: Invalid response");
continue;
}
bool ok;
int msgid = values.takeFirst().toInt(&ok);
PendingCommand *pc = pendingCommands.value(msgid, 0);
if (!ok || !pc) {
qDebug("Client::parseCommand: Invalid msgid");
continue;
}
ServerResponse resp;
if (values[0] == "ok")
resp = RespOk;
else if (values[0] == "name_not_found")
resp = RespNameNotFound;
else if (values[0] == "login_needed")
resp = RespLoginNeeded;
else if (values[0] == "syntax")
resp = RespSyntaxError;
else if (values[0] == "context")
resp = RespContextError;
else if (values[0] == "password")
resp = RespPasswordWrong;
else if (values[0] == "spectators_not_allowed")
resp = RespSpectatorsNotAllowed;
else
resp = RespInvalid;
pc->responseReceived(resp);
} else if (prefix == "list_games") {
if (values.size() != 8) {
emit protocolError();
continue;
}
emit gameListEvent(ServerGame(values[0].toInt(), values[5], values[1], values[2].toInt(), values[3].toInt(), values[4].toInt(), values[6].toInt(), values[7].toInt()));
} else if (prefix == "welcome") {
if (values.size() != 2) {
emit protocolError();
disconnectFromServer();
} else if (values[0].toInt() != protocolVersion) {
emit protocolVersionMismatch();
disconnectFromServer();
} else {
emit welcomeMsgReceived(values[1]);
setStatus(StatusLoggingIn);
login(playerName, password);
}
} else if (prefix == "list_players") {
if (values.size() != 4) {
emit protocolError();
continue;
}
int cmdid = values.takeFirst().toInt();
PendingCommand *pc = pendingCommands.value(cmdid, 0);
ServerPlayer sp(values[0].toInt(), values[1], values[2].toInt());
PendingCommand_ListPlayers *pcLP = qobject_cast<PendingCommand_ListPlayers *>(pc);
if (pcLP)
pcLP->addPlayer(sp);
else {
PendingCommand_DumpAll *pcDA = qobject_cast<PendingCommand_DumpAll *>(pc);
if (pcDA)
pcDA->addPlayer(sp);
else
emit protocolError();
}
} else if (prefix == "dump_zone") {
if (values.size() != 11) {
emit protocolError();
continue;
}
int cmdid = values.takeFirst().toInt();
PendingCommand *pc = pendingCommands.value(cmdid, 0);
ServerZoneCard szc(values[0].toInt(), values[1], values[2].toInt(), values[3], values[4].toInt(), values[5].toInt(), values[6].toInt(), values[7] == "1", values[8] == "1", values[9]);
PendingCommand_DumpZone *pcDZ = qobject_cast<PendingCommand_DumpZone *>(pc);
if (pcDZ)
pcDZ->addCard(szc);
else {
PendingCommand_DumpAll *pcDA = qobject_cast<PendingCommand_DumpAll *>(pc);
if (pcDA)
pcDA->addCard(szc);
else
emit protocolError();
}
} else if (prefix == "list_zones") {
if (values.size() != 6) {
emit protocolError();
continue;
}
int cmdid = values.takeFirst().toInt();
PendingCommand *pc = pendingCommands.value(cmdid, 0);
ServerZone::ZoneType type;
if (values[2] == "private")
type = ServerZone::PrivateZone;
else if (values[2] == "hidden")
type = ServerZone::HiddenZone;
else
type = ServerZone::PublicZone;
ServerZone sz(values[0].toInt(), values[1], type, values[3] == "1", values[4].toInt());
PendingCommand_ListZones *pcLZ = qobject_cast<PendingCommand_ListZones *>(pc);
if (pcLZ)
pcLZ->addZone(sz);
else {
PendingCommand_DumpAll *pcDA = qobject_cast<PendingCommand_DumpAll *>(pc);
if (pcDA)
pcDA->addZone(sz);
else
emit protocolError();
}
} else if (prefix == "list_counters") {
if (values.size() != 7) {
emit protocolError();
continue;
}
int cmdid = values.takeFirst().toInt();
PendingCommand *pc = pendingCommands.value(cmdid, 0);
ServerCounter sc(values[0].toInt(), values[1].toInt(), values[2], numberToColor(values[3].toInt()), values[4].toInt(), values[5].toInt());
PendingCommand_ListCounters *pcLC = qobject_cast<PendingCommand_ListCounters *>(pc);
if (pcLC)
pcLC->addCounter(sc);
else {
PendingCommand_DumpAll *pcDA = qobject_cast<PendingCommand_DumpAll *>(pc);
if (pcDA)
pcDA->addCounter(sc);
else
emit protocolError();
}
} else if (prefix == "list_arrows") {
if (values.size() != 10) {
emit protocolError();
continue;
}
int cmdid = values.takeFirst().toInt();
PendingCommand *pc = pendingCommands.value(cmdid, 0);
ServerArrow sa(values[0].toInt(), values[1].toInt(), values[2].toInt(), values[3], values[4].toInt(), values[5].toInt(), values[6], values[7].toInt(), numberToColor(values[8].toInt()));
PendingCommand_DumpAll *pcDA = qobject_cast<PendingCommand_DumpAll *>(pc);
if (pcDA)
pcDA->addArrow(sa);
else
emit protocolError();
} else
emit protocolError();
}
*/
}
void Client::processProtocolItem(ProtocolItem *item)
{
ProtocolResponse *response = qobject_cast<ProtocolResponse *>(item);
if (response) {
Command *cmd = pendingCommands.value(response->getCmdId(), 0);
if (!cmd)
return;
cmd->processResponse(response);
delete response;
pendingCommands.remove(cmd->getCmdId());
delete cmd;
return;
}
GenericEvent *genericEvent = qobject_cast<GenericEvent *>(item);
if (genericEvent) {
switch (genericEvent->getItemId()) {
case ItemId_Event_ListGames: emit listGamesEventReceived(qobject_cast<Event_ListGames *>(item)); break;
case ItemId_Event_ServerMessage: emit serverMessageEventReceived(qobject_cast<Event_ServerMessage *>(item)); break;
case ItemId_Event_ListChatChannels: emit listChatChannelsEventReceived(qobject_cast<Event_ListChatChannels *>(item)); break;
case ItemId_Event_GameJoined: emit gameJoinedEventReceived(qobject_cast<Event_GameJoined *>(item)); break;
}
delete genericEvent;
return;
}
GameEvent *gameEvent = qobject_cast<GameEvent *>(item);
if (gameEvent) {
emit gameEventReceived(gameEvent);
delete gameEvent;
return;
}
ChatEvent *chatEvent = qobject_cast<ChatEvent *>(item);
if (chatEvent) {
emit chatEventReceived(chatEvent);
delete chatEvent;
return;
}
}
void Client::setStatus(const ClientStatus _status)
{
if (_status != status) {
status = _status;
emit statusChanged(_status);
}
}
void Client::sendCommand(Command *cmd)
{
cmd->write(xmlWriter);
pendingCommands.insert(cmd->getCmdId(), cmd);
}
void Client::connectToServer(const QString &hostname, unsigned int port, const QString &_userName, const QString &_password)
{
disconnectFromServer();
userName = _userName;
password = _password;
socket->connectToHost(hostname, port);
setStatus(StatusConnecting);
}
void Client::disconnectFromServer()
{
currentItem = 0;
xmlReader->clear();
timer->stop();
QList<Command *> pc = pendingCommands.values();
for (int i = 0; i < pc.size(); i++)
delete pc[i];
pendingCommands.clear();
setStatus(StatusDisconnected);
socket->close();
}
void Client::ping()
{
int maxTime = 0;
QMapIterator<int, Command *> i(pendingCommands);
while (i.hasNext()) {
int time = i.next().value()->tick();
if (time > maxTime)
maxTime = time;
}
emit maxPingTime(maxTime, maxTimeout);
if (maxTime >= maxTimeout) {
emit serverTimeout();
disconnectFromServer();
} else
sendCommand(new Command_Ping);
}
/*
QColor Client::numberToColor(int colorValue) const
{
return QColor(colorValue / 65536, (colorValue % 65536) / 256, colorValue % 256);
}
int Client::colorToNumber(const QColor &color) const
{
return color.red() * 65536 + color.green() * 256 + color.blue();
}
*/