mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-29 12:20:53 +00:00
346 lines
8.8 KiB
C++
346 lines
8.8 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "stdpch.h"
|
|
#include "game_share/utils.h"
|
|
#include "session_browser.h"
|
|
|
|
#include "game_share/r2_share_itf.h"
|
|
|
|
using namespace std;
|
|
using namespace NLMISC;
|
|
using namespace NLNET;
|
|
using namespace RSMGR;
|
|
|
|
/// The time the client stay connected to the session browser without requests
|
|
const uint32 KeepConnectedTime = 3;
|
|
|
|
// a callback adaptor that queue the sent message for later sending.
|
|
class CCallbackClientAdaptor : public CNelCallbackClientAdaptor
|
|
{
|
|
friend class CSessionBrowser;
|
|
|
|
// a queue of message to be sent by the comm thread
|
|
std::queue<CMessage> _SendQueue;
|
|
|
|
// The mutex used by the session browser thread
|
|
NLMISC::CUnfairMutex _Mutex;
|
|
|
|
// A flag to let some message passthrue without enqueuing (for authenticate)
|
|
bool _PassThrue;
|
|
|
|
CCallbackClientAdaptor(void *containerClass)
|
|
: CNelCallbackClientAdaptor(containerClass),
|
|
_PassThrue(false)
|
|
{
|
|
_CallbackClient.setPreDispatchCallback(&CCallbackClientAdaptor::cb_preDispatchMessage);
|
|
}
|
|
|
|
CCallbackClient &getCallback()
|
|
{
|
|
return _CallbackClient;
|
|
}
|
|
|
|
virtual void connect( const NLNET::CInetAddress& /* addr */ )
|
|
{
|
|
// do not connect now
|
|
}
|
|
|
|
|
|
virtual void send(const NLNET::CMessage &buffer, NLNET::TSockId hostid = NLNET::InvalidSockId, bool log = true)
|
|
{
|
|
CAutoMutex<CUnfairMutex> mutex1(_Mutex);
|
|
|
|
if (!_PassThrue)
|
|
{
|
|
// queue the message for later sending.
|
|
nldebug("SB: Pushing a buffer into SendQueue (from %u elts)", _SendQueue.size());
|
|
CAutoMutex<CUnfairMutex> mutex(_Mutex);
|
|
_SendQueue.push(buffer);
|
|
}
|
|
else
|
|
{
|
|
// protect socket because update() can be called in the main thread while send() can be called with passthru=true in the session browser thread (by authenticate() for example)
|
|
CAutoMutex<CUnfairMutex> mutex(_Mutex);
|
|
_CallbackClient.send(buffer, hostid, log);
|
|
}
|
|
}
|
|
|
|
// called by the callback client before each message dispatching
|
|
static void cb_preDispatchMessage(CMessage &msgin, TSockId from, CCallbackNetBase &netbase)
|
|
{
|
|
CNelCallbackClientAdaptor *adaptor = static_cast<CNelCallbackClientAdaptor*>(netbase.getUserData());
|
|
if (adaptor != NULL)
|
|
{
|
|
CSessionBrowser *sb = static_cast<CSessionBrowser*>(adaptor->getContainerClass());
|
|
|
|
sb->on_preDispatchMessage(msgin, from, netbase);
|
|
}
|
|
}
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
CSessionBrowser::CSessionBrowser()
|
|
: CSessionBrowserServerWebClientItf(new CCallbackClientAdaptor(this)),
|
|
_TerminateComm(false),
|
|
_SignalConnFail(false),
|
|
_NBReceivedMessage(0),
|
|
_WaitingForMessage(false)
|
|
{
|
|
// start the comm thread
|
|
_CommThread = IThread::create(this);
|
|
_CommThread->start();
|
|
}
|
|
|
|
CSessionBrowser::~CSessionBrowser()
|
|
{
|
|
// signal the comm thread to terminate
|
|
_TerminateComm = true;
|
|
// wait the termination of the thread
|
|
_CommThread->wait();
|
|
|
|
// ok, we can leave
|
|
}
|
|
|
|
/** Set auth info */
|
|
void CSessionBrowser::setAuthInfo(const NLNET::CLoginCookie &cookie)
|
|
{
|
|
_LoginCookie = cookie;
|
|
}
|
|
|
|
CCallbackClientAdaptor *CSessionBrowser::getCallbackAdaptor()
|
|
{
|
|
return static_cast<CCallbackClientAdaptor *>(_CallbackClient.get());
|
|
}
|
|
|
|
void CSessionBrowser::connectItf(NLNET::CInetAddress address)
|
|
{
|
|
// call the interface connectItf
|
|
CSessionBrowserServerWebClientItf::connectItf(address);
|
|
_ServerAddr = address;
|
|
}
|
|
|
|
void CSessionBrowser::clearSendQueue()
|
|
{
|
|
CCallbackClientAdaptor *adaptor = getCallbackAdaptor();
|
|
nldebug("SB: Clearing SendQueue");
|
|
CAutoMutex<CUnfairMutex> mutex(adaptor->_Mutex);
|
|
while (!adaptor->_SendQueue.empty())
|
|
adaptor->_SendQueue.pop();
|
|
}
|
|
|
|
// the comm thread entry point
|
|
void CSessionBrowser::run()
|
|
{
|
|
CCallbackClientAdaptor *adaptor = getCallbackAdaptor();
|
|
while(!_TerminateComm)
|
|
{
|
|
// no server address available
|
|
while (!_ServerAddr.isValid())
|
|
{
|
|
// wait a little
|
|
nlSleep(100);
|
|
|
|
if (_TerminateComm)
|
|
break;
|
|
}
|
|
|
|
disconnected:
|
|
// unconnected, waiting for message to send
|
|
while (adaptor->_SendQueue.empty())
|
|
{
|
|
nlSleep(100);
|
|
|
|
if (_TerminateComm)
|
|
break;
|
|
}
|
|
|
|
retry_connection:
|
|
while (!adaptor->getCallback().connected())
|
|
{
|
|
// connecting...
|
|
try
|
|
{
|
|
nldebug("SB: Connecting...");
|
|
adaptor->getCallback().connect(_ServerAddr);
|
|
}
|
|
catch(...)
|
|
{
|
|
// connection failed !
|
|
// erase all queued messages
|
|
clearSendQueue();
|
|
// put an event in for the main loop
|
|
_SignalConnFail = true;
|
|
}
|
|
if (_TerminateComm)
|
|
break;
|
|
|
|
}
|
|
|
|
{
|
|
CAutoMutex<CUnfairMutex> mutex(adaptor->_Mutex);
|
|
// authenticate the client
|
|
adaptor->_PassThrue = true;
|
|
nldebug("SB: Authenticating");
|
|
// nico patch
|
|
{
|
|
if (!connected()) // oddly sometimes it gets disconnected here
|
|
{
|
|
goto retry_connection;
|
|
}
|
|
}
|
|
authenticate(_LoginCookie.getUserId(), _LoginCookie);
|
|
adaptor->_PassThrue = false;
|
|
}
|
|
sendMessages:
|
|
// connected, sending messages
|
|
while (!adaptor->_SendQueue.empty())
|
|
{
|
|
bool popped = false;
|
|
{
|
|
CAutoMutex<CUnfairMutex> mutex(adaptor->_Mutex);
|
|
if (!adaptor->getCallback().connected())
|
|
{
|
|
nldebug("SB: Disconnecting when authenticating");
|
|
clearSendQueue(); // TODO: REMOVE?
|
|
goto disconnected;
|
|
}
|
|
|
|
nldebug("SB: Sending next buffer of SendQueue");
|
|
adaptor->getCallback().send(adaptor->_SendQueue.front());
|
|
//if (adaptor->getCallback().connected()) // don't loose msg if it has not been sent (TODO: ADD?)
|
|
{
|
|
adaptor->_SendQueue.pop();
|
|
popped = true;
|
|
}
|
|
}
|
|
if (popped)
|
|
nldebug("SB: Popping from SendQueue (now %u elts)", adaptor->_SendQueue.size());
|
|
else
|
|
nldebug("SB: Disconnected when sending");
|
|
|
|
if (_TerminateComm)
|
|
break;
|
|
}
|
|
|
|
// idle, waiting new message to send/receive or time out to disconnect
|
|
time_t startWait = CTime::getSecondsSince1970();
|
|
while (_WaitingForMessage || (adaptor->_SendQueue.empty() && CTime::getSecondsSince1970() - startWait < KeepConnectedTime))
|
|
{
|
|
nlSleep(100);
|
|
|
|
if (_TerminateComm)
|
|
break;
|
|
|
|
{
|
|
CAutoMutex<CUnfairMutex> mutex(adaptor->_Mutex);
|
|
if (!adaptor->_SendQueue.empty())
|
|
goto sendMessages;
|
|
|
|
if (!adaptor->getCallback().connected())
|
|
goto disconnected;
|
|
}
|
|
}
|
|
|
|
{
|
|
nldebug("SB: Disconnecting");
|
|
CAutoMutex<CUnfairMutex> mutex(adaptor->_Mutex);
|
|
// if (!adaptor->_SendQueue.empty())
|
|
// timeout, disconnect
|
|
adaptor->getCallback().disconnect();
|
|
}
|
|
|
|
if (_TerminateComm)
|
|
break;
|
|
|
|
goto disconnected;
|
|
}
|
|
}
|
|
|
|
void CSessionBrowser::on_preDispatchMessage(CMessage &msgin, TSockId /* from */, CCallbackNetBase &/* netbase */)
|
|
{
|
|
++_NBReceivedMessage;
|
|
_LastReceivedMessageNames.push_back(msgin.getName());
|
|
}
|
|
|
|
|
|
void CSessionBrowser::update()
|
|
{
|
|
// check flag to callback a connection failure event
|
|
if (_SignalConnFail)
|
|
{
|
|
on_connectionFailed();
|
|
_SignalConnFail = false;
|
|
}
|
|
|
|
//nldebug("SB: Updating module");
|
|
CAutoMutex<CUnfairMutex> mutex(getCallbackAdaptor()->_Mutex);
|
|
// call the underlying interface update
|
|
CSessionBrowserServerWebClientItf::update();
|
|
}
|
|
|
|
bool CSessionBrowser::waitOneMessage(const std::string &msgName)
|
|
{
|
|
nldebug("SB: Waiting for message");
|
|
_WaitingForMessage = true;
|
|
// cleanup the list of received messages
|
|
_LastReceivedMessageNames.clear();
|
|
|
|
CCallbackClientAdaptor *adaptor = getCallbackAdaptor();
|
|
|
|
|
|
// loop while no message received, still connected or having message to send
|
|
while (_LastReceivedMessageNames.empty()
|
|
&& (adaptor->getCallback().connected() || !adaptor->_SendQueue.empty()))
|
|
{
|
|
update();
|
|
|
|
// give up the time slice
|
|
nlSleep(0);
|
|
|
|
}
|
|
|
|
_WaitingForMessage = false;
|
|
|
|
if (!_LastReceivedMessageNames.empty())
|
|
{
|
|
// check the first received message match the requested one
|
|
bool receivedExpected =
|
|
(_LastReceivedMessageNames.front() == msgName) ||
|
|
(_LastReceivedMessageNames.front() == "JSSRE" && (msgName == "JSSR")); // harcoded: JSSRE may replace JSSR in some responses
|
|
STOP_IF(!receivedExpected, "BIG BAD BUG - Expected SBS message '"+msgName+"' but received '"+_LastReceivedMessageNames.front()+"'");
|
|
return receivedExpected;
|
|
}
|
|
|
|
// sorry, wait failed
|
|
return false;
|
|
}
|
|
|
|
bool CSessionBrowser::connected()
|
|
{
|
|
return getCallbackAdaptor()->connected();
|
|
}
|
|
|
|
void CSessionBrowser::send(const NLNET::CMessage& msg)
|
|
{
|
|
getCallbackAdaptor()->send(msg);
|
|
}
|