khanat-opennel-code/code/nel/src/net/net_manager.cpp
2014-04-30 12:53:06 +02:00

513 lines
15 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// 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 "stdnet.h"
/**************************************************************************
********************* THIS CLASS IS DEPRECATED ****************************
**************************************************************************/
#ifdef NL_OS_WINDOWS
# pragma message(NL_LOC_WRN "You are using a deprecated feature of NeL, consider rewriting your code with replacement feature")
#else // NL_OS_UNIX
# warning "You are using a deprecated feature of NeL, consider rewriting your code with replacement feature"
#endif
#include "nel/misc/time_nl.h"
#include "nel/net/naming_client.h"
#include "nel/net/callback_client.h"
#include "nel/net/callback_server.h"
#include "nel/net/naming_client.h"
#include "nel/net/net_manager.h"
using namespace std;
using namespace NLMISC;
namespace NLNET {
CNetManager::TBaseMap CNetManager::_BaseMap;
CCallbackNetBase::TRecordingState CNetManager::_RecordingState;
TTime CNetManager::_NextUpdateTime = 0;
static void nmNewConnection (TSockId from, void *arg)
{
nlassert (arg != NULL);
CBaseStruct *basest = (CBaseStruct *)arg;
nldebug("HNETL4: nmNewConnection() from service '%s'", basest->Name.c_str ());
// call the client callback if necessary
if (basest->ConnectionCallback != NULL)
basest->ConnectionCallback (basest->Name, from, basest->ConnectionCbArg);
}
static void nmNewDisconnection (TSockId from, void *arg)
{
nlassert (arg != NULL);
CBaseStruct *basest = (CBaseStruct *)arg;
nldebug("HNETL4: nmNewDisconnection() from service '%s'", basest->Name.c_str ());
// call the client callback if necessary
if (basest->DisconnectionCallback != NULL)
basest->DisconnectionCallback (basest->Name, from, basest->DisconnectionCbArg);
}
// find a not connected callbackclient or create a new one and connect to the Addr
void CNetManager::createConnection(CBaseStruct &Base, const CInetAddress &Addr, const string& name)
{
uint i;
for (i = 0; i < Base.NetBase.size (); i++)
{
if (!Base.NetBase[i]->connected ())
{
break;
}
}
if (i == Base.NetBase.size ())
{
CCallbackClient *cc = new CCallbackClient( _RecordingState, name+string(".nmr") );
Base.NetBase.push_back (cc);
}
CCallbackClient *cc = dynamic_cast<CCallbackClient *>(Base.NetBase[i]);
cc->CCallbackNetBase::setDisconnectionCallback (nmNewDisconnection, (void*) &Base);
try
{
cc->connect (Addr);
if (Base.ConnectionCallback != NULL)
Base.ConnectionCallback (Base.Name, cc->getSockId(), Base.ConnectionCbArg);
}
catch (ESocketConnectionFailed &e)
{
nlinfo ("HNETL4: can't connect now (%s)", e.what ());
}
}
void RegistrationBroadcast (const std::string &name, TServiceId sid, const vector<CInetAddress> &addr)
{
nldebug("HNETL4: RegistrationBroadcast() of service %s-%hu", name.c_str (), (uint16)sid.get());
// find if this new service is interesting
for (CNetManager::ItBaseMap itbm = CNetManager::_BaseMap.begin (); itbm != CNetManager::_BaseMap.end (); itbm++)
{
if ((*itbm).second.Type == CBaseStruct::Client && !(*itbm).second.NetBase[0]->connected())
{
if (name == (*itbm).first)
{
// ok! it's cool, the service is here, go and connect to him!
// ace warning don't work if more than one connection
CNetManager::createConnection ((*itbm).second, addr[0], name);
}
}
else if ((*itbm).second.Type == CBaseStruct::Group)
{
// ok, it's a group, try to see if it wants this!
for (uint i = 0; i < (*itbm).second.ServiceNames.size (); i++)
{
if ((*itbm).second.ServiceNames[i] == name)
{
// ace warning don't work if more than one connection
CNetManager::createConnection ((*itbm).second, addr[0], name);
break;
}
}
}
}
}
static void UnregistrationBroadcast (const std::string &name, TServiceId sid, const vector<CInetAddress> &addr)
{
nldebug("HNETL4: UnregistrationBroadcast() of service %s-%hu", name.c_str (), (uint16)sid.get());
}
void CNetManager::init (const CInetAddress *addr, CCallbackNetBase::TRecordingState rec )
{
if (addr == NULL) return;
_RecordingState = rec;
// connect to the naming service (may generate a ESocketConnectionFailed exception)
vector<CInetAddress> laddr = CInetAddress::localAddresses();
CNamingClient::connect( *addr, _RecordingState, laddr );
// connect the callback to know when a new service comes in or goes down
CNamingClient::setRegistrationBroadcastCallback (RegistrationBroadcast);
CNamingClient::setUnregistrationBroadcastCallback (UnregistrationBroadcast);
}
void CNetManager::release ()
{
if (CNamingClient::connected ())
CNamingClient::disconnect ();
for (ItBaseMap itbm = _BaseMap.begin (); itbm != _BaseMap.end (); itbm++)
{
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
(*itbm).second.NetBase[i]->disconnect ();
delete (*itbm).second.NetBase[i];
}
}
_BaseMap.clear ();
}
void CNetManager::addServer (const std::string &serviceName, uint16 servicePort, bool external)
{
TServiceId sid;
addServer (serviceName, servicePort, sid, external);
}
void CNetManager::addServer (const std::string &serviceName, uint16 servicePort, TServiceId &sid, bool external)
{
nldebug ("HNETL4: Adding server '%s' in CNetManager", serviceName.c_str ());
ItBaseMap itbm = find (serviceName);
// check if it's a new server
nlassert ((*itbm).second.NetBase.empty());
CCallbackServer *cs = new CCallbackServer( _RecordingState, serviceName+string(".nmr") );
(*itbm).second.NetBase.push_back (cs);
(*itbm).second.Type = CBaseStruct::Server;
// install the server
cs->setConnectionCallback (nmNewConnection, (void*) &((*itbm).second));
cs->CCallbackNetBase::setDisconnectionCallback (nmNewDisconnection, (void*) &((*itbm).second));
if (servicePort == 0)
{
nlassert (CNamingClient::connected ());
servicePort = CNamingClient::queryServicePort ();
}
cs->init (servicePort);
// register the server to the naming service if we are connected to Naming Service
if (CNamingClient::connected () && !external)
{
//CInetAddress addr = CInetAddress::localHost ();
//addr.setPort (servicePort);
vector<CInetAddress> addr = CInetAddress::localAddresses();
for (uint i = 0; i < addr.size(); i++)
addr[i].setPort(servicePort);
if (sid.get() == 0)
{
CNamingClient::registerService (serviceName, addr, sid);
}
else
{
CNamingClient::registerServiceWithSId (serviceName, addr, sid);
}
}
nlinfo ("HNETL4: Server '%s' added, registered and listen to port %hu", serviceName.c_str (), servicePort);
}
void CNetManager::addClient (const std::string &serviceName, const std::string &addr, bool autoRetry)
{
nldebug ("HNETL4: Adding client '%s' with addr '%s' in CNetManager", serviceName.c_str (), addr.c_str());
ItBaseMap itbm = find (serviceName);
// it's a new client, add the connection
(*itbm).second.Type = CBaseStruct::ClientWithAddr;
(*itbm).second.AutoRetry = autoRetry;
if ((*itbm).second.ServiceNames.empty())
{
(*itbm).second.ServiceNames.push_back(addr);
}
else
{
(*itbm).second.ServiceNames[0] = addr;
}
nlassert ((*itbm).second.NetBase.size() < 2);
createConnection ((*itbm).second, addr, serviceName);
}
void CNetManager::addClient (const std::string &serviceName)
{
nlassert (CNamingClient::connected ());
nldebug ("HNETL4: Adding client '%s' in CNetManager", serviceName.c_str ());
ItBaseMap itbm = find (serviceName);
// check if it's a new client
nlassert ((*itbm).second.NetBase.empty());
CCallbackClient *cc = new CCallbackClient( _RecordingState, serviceName+string(".nmr") ); // ? - would not work if several clients with the same name
(*itbm).second.NetBase.push_back (cc);
(*itbm).second.Type = CBaseStruct::Client;
cc->CCallbackNetBase::setDisconnectionCallback (nmNewDisconnection, (void*) &((*itbm).second));
// find the service in the naming_service and connect if exists
if (CNamingClient::lookupAndConnect (serviceName, *cc))
{
// call the user that we are connected
if ((*itbm).second.ConnectionCallback != NULL)
(*itbm).second.ConnectionCallback (serviceName, cc->getSockId(), (*itbm).second.ConnectionCbArg);
}
}
void CNetManager::addGroup (const std::string &groupName, const std::string &serviceName)
{
nlassert (CNamingClient::connected ());
nldebug ("HNETL4: Adding '%s' to group '%s' in CNetManager", serviceName.c_str (), groupName.c_str());
ItBaseMap itbm = find (groupName);
(*itbm).second.Type = CBaseStruct::Group;
// check if you don't already add this service in this group
vector<string>::iterator it = std::find ((*itbm).second.ServiceNames.begin(), (*itbm).second.ServiceNames.end(), serviceName);
nlassert (it == (*itbm).second.ServiceNames.end());
(*itbm).second.ServiceNames.push_back(serviceName);
// find the service in the naming_service and connect if exists
vector<CInetAddress> addrs;
CNamingClient::lookupAll (serviceName, addrs);
// connect to all these services
for (uint i = 0; i < addrs.size (); i++)
{
createConnection ((*itbm).second, addrs[i], serviceName);
}
}
void CNetManager::addCallbackArray (const std::string &serviceName, const TCallbackItem *callbackarray, CStringIdArray::TStringId arraysize)
{
nldebug ("HNETL4: addingCallabckArray() for service '%s'", serviceName.c_str ());
ItBaseMap itbm = find (serviceName);
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
// if ((*itbm).second.NetBase[i]->connected())
(*itbm).second.NetBase[i]->addCallbackArray (callbackarray, arraysize);
}
}
void CNetManager::update (TTime timeout)
{
// nldebug ("HNETL4: update()");
// sint64 p1 = CTime::getPerformanceTime ();
TTime t0 = CTime::getLocalTime ();
if (timeout > 0)
{
if (_NextUpdateTime == 0)
{
_NextUpdateTime = t0 + timeout;
}
else
{
TTime err = t0 - _NextUpdateTime;
_NextUpdateTime += timeout;
// if we are too late, resync to the next value
while (err > timeout)
{
err -= timeout;
_NextUpdateTime += timeout;
}
timeout -= err;
if (timeout < 0) timeout = 0;
}
}
// sint64 p2 = CTime::getPerformanceTime ();
while (true)
{
for (ItBaseMap itbm = _BaseMap.begin (); itbm != _BaseMap.end (); itbm++)
{
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
// we get and treat all messages in this connection
(*itbm).second.NetBase[i]->update (0);
if ((*itbm).second.NetBase[i]->connected())
{
// if connected, update
// (*itbm).second.NetBase[i]->update ();
}
else
{
static TTime lastTime = CTime::getLocalTime();
if (CTime::getLocalTime() - lastTime > 5000)
{
lastTime = CTime::getLocalTime();
// if not connected, try to connect ClientWithAddr
if ((*itbm).second.Type == CBaseStruct::ClientWithAddr && (*itbm).second.AutoRetry)
{
CCallbackClient *cc = dynamic_cast<CCallbackClient *>((*itbm).second.NetBase[i]);
try
{
nlassert ((*itbm).second.ServiceNames.size()==1);
cc->connect (CInetAddress((*itbm).second.ServiceNames[0]));
if ((*itbm).second.ConnectionCallback != NULL)
(*itbm).second.ConnectionCallback ((*itbm).second.Name, cc->getSockId(), (*itbm).second.ConnectionCbArg);
}
catch (ESocketConnectionFailed &e)
{
// can't connect now, try later
nlinfo("HNETL4: can't connect now to %s (reason: %s)", (*itbm).second.ServiceNames[0].c_str(), e.what());
}
}
}
}
}
}
// If it's the end, don't nlSleep()
if (CTime::getLocalTime() - t0 > timeout)
break;
// Enable windows multithreading before rescanning all connections
// slow down the layer H_BEFORE (CNetManager_update_nlSleep);
nlSleep (1);
// slow down the layer H_AFTER (CNetManager_update_nlSleep);
}
// sint64 p3 = CTime::getPerformanceTime ();
if (CNamingClient::connected ())
CNamingClient::update ();
// sint64 p4 = CTime::getPerformanceTime ();
// nlinfo("time : %f %f %f %d", CTime::ticksToSecond(p2-p1), CTime::ticksToSecond(p3-p2), CTime::ticksToSecond(p4-p3), timeout);
}
void CNetManager::send (const std::string &serviceName, const CMessage &buffer, TSockId hostid)
{
nldebug ("HNETL4: send for service '%s' message %s to %s", serviceName.c_str(), buffer.toString().c_str(), hostid->asString().c_str());
ItBaseMap itbm = find (serviceName);
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
if ((*itbm).second.NetBase[i]->connected())
(*itbm).second.NetBase[i]->send (buffer, hostid);
}
}
CCallbackNetBase *CNetManager::getNetBase (const std::string &serviceName)
{
ItBaseMap itbm = find (serviceName);
return (*itbm).second.NetBase[0];
}
void CNetManager::setConnectionCallback (const std::string &serviceName, TNetManagerCallback cb, void *arg)
{
nldebug ("HNETL4: setConnectionCallback() for service '%s'", serviceName.c_str ());
ItBaseMap itbm = find (serviceName);
(*itbm).second.ConnectionCallback = cb;
(*itbm).second.ConnectionCbArg = arg;
}
void CNetManager::setDisconnectionCallback (const std::string &serviceName, TNetManagerCallback cb, void *arg)
{
nldebug ("HNETL4: setDisconnectionCallback() for service '%s'", serviceName.c_str ());
ItBaseMap itbm = find (serviceName);
(*itbm).second.DisconnectionCallback = cb;
(*itbm).second.DisconnectionCbArg = arg;
}
CNetManager::ItBaseMap CNetManager::find (const std::string &serviceName)
{
// find the service or add it if not found
pair<ItBaseMap, bool> p;
p = _BaseMap.insert (make_pair (serviceName, CBaseStruct (serviceName)));
return p.first;
}
uint64 CNetManager::getBytesSent ()
{
uint64 sent = 0;
for (ItBaseMap itbm = _BaseMap.begin (); itbm != _BaseMap.end (); itbm++)
{
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
sent += (*itbm).second.NetBase[i]->getBytesSent ();
}
}
return sent;
}
uint64 CNetManager::getBytesReceived ()
{
uint64 received = 0;
for (ItBaseMap itbm = _BaseMap.begin (); itbm != _BaseMap.end (); itbm++)
{
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
received += (*itbm).second.NetBase[i]->getBytesReceived ();
}
}
return received;
}
uint64 CNetManager::getSendQueueSize ()
{
uint64 val = 0;
for (ItBaseMap itbm = _BaseMap.begin (); itbm != _BaseMap.end (); itbm++)
{
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
val += (*itbm).second.NetBase[i]->getSendQueueSize ();
}
}
return val;
}
uint64 CNetManager::getReceiveQueueSize ()
{
uint64 val = 0;
for (ItBaseMap itbm = _BaseMap.begin (); itbm != _BaseMap.end (); itbm++)
{
for (uint32 i = 0; i < (*itbm).second.NetBase.size(); i++)
{
val += (*itbm).second.NetBase[i]->getReceiveQueueSize ();
}
}
return val;
}
} // NLNET