cyphesis/server/CommPeer.cpp
2012-08-13 19:54:25 +01:00

126 lines
3.8 KiB
C++

// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2004 Alistair Riddoch
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// $Id$
#include "CommPeer.h"
#include "Peer.h"
#include "CommServer.h"
#include "common/globals.h"
#include "common/serialno.h"
#include "common/log.h"
#include <Atlas/Negotiate.h>
#include <Atlas/Objects/Operation.h>
#include <Atlas/Objects/Anonymous.h>
using Atlas::Objects::Entity::Anonymous;
using Atlas::Objects::Operation::Info;
/// \brief Constructor remote peer socket object.
///
/// @param svr Reference to the object that manages all socket communication.
/// @param username Username to login with on peer
/// @param password Password to login with on peer
CommPeer::CommPeer(CommServer & svr, const std::string & name) :
CommClient<tcp_socket_stream>(svr, name)
{
}
CommPeer::~CommPeer()
{
}
/// \brief Connect to a remote peer on a specific port
///
/// @param host The hostname of the peer to connect to
/// @param port The port to connect on
/// @return Returns 0 on success and -1 on failure.
int CommPeer::connect(const std::string & host, int port)
{
return m_clientIos.open(host, port, true);
}
/// \brief Connect to a remote peer wath a specific address info
///
/// @param info The address info of the peer to connect to
/// @return Returns 0 on success and -1 on failure.
int CommPeer::connect(struct addrinfo * info)
{
return m_clientIos.open(info, true);
}
void CommPeer::setup(Link * connection)
{
m_link = connection;
assert(!m_clientIos.connect_pending());
m_negotiate->poll(false);
m_clientIos << std::flush;
}
bool CommPeer::eof()
{
if (m_clientIos.connect_pending()) {
if (m_clientIos.isReady(0)) {
connected.emit();
return false;
} else {
// With the cyphesis socket model, this object gets deleted
// if its fd gets closed, so trying a second fd is useless
// This object is done.
failed.emit();
return true;
}
} else {
return CommStreamClient<tcp_socket_stream>::eof();
}
}
/// \brief Called periodically by the server
///
/// \param t The current time at the time of calling
void CommPeer::idle(time_t t)
{
// Wait for the negotiation to finish with the peer
if (m_negotiate != 0) {
if ((t - m_connectTime) > 10) {
log(NOTICE, "Client disconnected because of negotiation timeout.");
m_clientIos.shutdown();
}
} else {
Peer *peer = dynamic_cast<Peer*>(m_link);
if (peer == NULL) {
log(WARNING, "Casting CommPeer connection to Peer failed");
return;
}
// Check if we have been stuck in a state of authentication in-progress
// for over 20 seconds. If so, disconnect from and remove peer.
if ((t - m_connectTime) > 20) {
if (peer->getAuthState() == PEER_AUTHENTICATING) {
log(NOTICE, "Peer disconnected because authentication timed out.");
m_clientIos.shutdown();
}
}
if (peer->getAuthState() == PEER_AUTHENTICATED) {
peer->cleanTeleports();
}
}
}