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/* Battle Tanks Game
* Copyright (C) 2006-2009 Battle Tanks team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Additional rights can be granted beyond the GNU General Public License
* on the terms provided in the Exception. If you modify this file,
* you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to provide this
* exception without modification, you must delete this exception statement
* from your version and license this file solely under the GPL without exception.
*/
#include "server.h"
#include "mrt/logger.h"
#include "mrt/exception.h"
#include "mrt/socket_set.h"
#include "player_manager.h"
#include "message.h"
#include "monitor.h"
#include "connection.h"
#include "config.h"
#include "rt_config.h"
#ifdef _WINDOWS
# include <Winsock2.h>
#else
# include <arpa/inet.h>
#endif
Server::Server() : _monitor(NULL), _sock() {}
Server::~Server() {
delete _monitor;
_monitor = NULL;
}
void Server::init() {
GET_CONFIG_VALUE("multiplayer.bind-address", std::string, bindaddr, std::string());
int port = RTConfig->port;
GET_CONFIG_VALUE("multiplayer.compression-level", int, cl, 3);
LOG_DEBUG(("starting game server at port %d", port));
_udp_sock.listen(bindaddr, port, true);
LOG_DEBUG(("udp socket started..."));
_sock.listen(bindaddr, port, true);
_sock.noDelay();
_monitor = new Monitor(cl);
_monitor->add(&_udp_sock);
_monitor->add(&_sock);
_monitor->start();
if (RTConfig->server_mode) {
GET_CONFIG_VALUE("multiplayer.server.register-on-master-server", bool, rms, true);
GET_CONFIG_VALUE("multiplayer.server.master-server", std::string, mname, "btanks.servegame.com");
GET_CONFIG_VALUE("multiplayer.server.master-server-port", int, mport, 27254);
if (rms) {
LOG_DEBUG(("registering server on master server..."));
TRY {
char buf[3];
mrt::TCPSocket sock;
sock.connect(mname, mport);
buf[0] = 's';
*((uint16_t *)(buf + 1)) = htons(port);
int r = sock.send(buf, 3);
LOG_DEBUG(("sent %d bytes...", r));
//sock.recv(buf, 3);
} CATCH("registering on master server", {});
}
}
}
void Server::restart() {
LOG_DEBUG(("Server::restart() called..."));
std::queue<Connection *> conns;
Connection *c;
while((c = _monitor->pop()) != NULL)
conns.push(c);
while(!conns.empty()) {
Connection *c = conns.front();
conns.pop();
TRY {
Message msg(Message::RequestServerStatus);
msg.set("release", RTConfig->release_name);
int id = PlayerManager->on_connect();
LOG_DEBUG(("reassigning connection: %d", id));
_monitor->add(id, c);
PlayerManager->on_message(id, msg);
c = NULL;
} CATCH("restart", { delete c;})
}
}
void Server::disconnect_all() {
Connection *c;
while((c = _monitor->pop()) != NULL)
delete c;
}
void Server::tick(const float dt) {
if (!_monitor)
return;
TRY {
_monitor->accept();
} CATCH("accepting client", {});
int id = -1;
TRY {
mrt::Chunk data;
while(_monitor->recv(id, data)) {
Message m;
m.deserialize2(data);
switch(m.type) {
case Message::RequestServerStatus:
case Message::PlayerState:
case Message::Ping:
case Message::Pong:
case Message::RequestPlayer:
case Message::TextMessage:
case Message::PlayerMessage:
case Message::RequestObjects:
case Message::JoinTeam:
PlayerManager->on_message(id, m);
case Message::ServerDiscovery:
break;
default:
throw_ex(("message type %s is not allowed", m.getType()));
}
}
while(_monitor->disconnected(id)) {
PlayerManager->on_disconnect(id);
}
} CATCH("tick", {
if (id >= 0) {
disconnect(id);
}
});
}
void Server::send(const int id, const Message &m) {
TRY {
//LOG_DEBUG(("sending message '%s' to %d", m.getType(), id));
mrt::Chunk data;
m.serialize2(data);
_monitor->send(id, data, m.realtime());
} CATCH("send", {
disconnect(id);
});
}
void Server::broadcast(const Message &m) {
TRY {
LOG_DEBUG(("broadcasting message '%s'", m.getType()));
mrt::Chunk data;
m.serialize2(data);
_monitor->broadcast(data, m.realtime());
} CATCH("broadcast", {});
}
const bool Server::active() const { return _monitor->active(); }
void Server::disconnect(const int id) {
_monitor->disconnect(id);
PlayerManager->on_disconnect(id);
}
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