khanat-opennel-code/code/nelns/login_service/connection_web.cpp

307 lines
7 KiB
C++

// NeLNS - 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 "nel/misc/types_nl.h"
#include <cstdio>
#include <ctype.h>
#include <cmath>
#include <vector>
#include <map>
#include "nel/misc/debug.h"
#include "nel/misc/config_file.h"
#include "nel/misc/displayer.h"
#include "nel/misc/log.h"
#include "nel/net/buf_server.h"
#include "nel/net/login_cookie.h"
#include "login_service.h"
#include "connection_ws.h"
//
// Namespaces
//
using namespace std;
using namespace NLMISC;
using namespace NLNET;
//
// Variables
//
CBufServer *WebServer = NULL;
// uint32 is the hostid to the web connection
map<uint32, CLoginCookie> TempCookies;
//
// Callbacks
//
static void cbWSShardChooseShard/* (CMessage &msgin, TSockId from, CCallbackNetBase &netbase)*/ (CMessage &msgin, const std::string &serviceName, TServiceId sid)
{
nlassert(WebServer != NULL);
//
// S10: receive "SCS" message from WS
//
CMemStream msgout;
uint32 fake = 0;
msgout.serial(fake);
string reason;
msgin.serial (reason);
msgout.serial (reason);
CLoginCookie cookie;
msgin.serial (cookie);
// search the cookie
map<uint32, CLoginCookie>::iterator it = TempCookies.find (cookie.getUserAddr ());
if (it == TempCookies.end ())
{
// not found in TempCookies, can't do anything
nlwarning ("Receive an answer from welcome service but no connection waiting");
return;
}
if (reason.empty())
{
string str = cookie.setToString ();
msgout.serial (str);
string addr;
msgin.serial (addr);
msgout.serial (addr);
// MTR: No longer sent by WS?
//uint32 nbPendingUser;
//msgin.serial(nbPendingUser);
// read patch addresses sent by WS
/*
// OBSOLETE: web doesn't read incoming patching URLs any longer, but them directly from database
std::string patchURLS;
try
{
msgin.serial(patchURLS);
}
catch (Exception&)
{
patchURLS.clear();
}
msgout.serial(patchURLS);
*/
}
WebServer->send (msgout, (TSockId)cookie.getUserAddr ());
}
static const TUnifiedCallbackItem WSCallbackArray[] =
{
{ "SCS", cbWSShardChooseShard },
};
void cbAskClientConnection (CMemStream &msgin, TSockId host)
{
sint32 shardId;
uint32 userId;
string userName, userPriv, userExtended;
msgin.serial (shardId);
msgin.serial (userId);
msgin.serial (userName);
try
{
msgin.serial (userPriv);
}
catch (Exception &)
{
nlwarning ("Web didn't give me the user privilege for user '%s', set to empty", userName.c_str());
}
try
{
msgin.serial (userExtended);
}
catch (Exception &)
{
nlwarning ("Web didn't give me the extended data for user '%s', set to empty", userName.c_str());
}
nlinfo ("Web wants to add userid %d (name '%s' priv '%s' extended '%s') to the shardid %d, send request to the shard", userId, userName.c_str(), userPriv.c_str(), userExtended.c_str(), shardId);
uint32 i;
for (i = 0; i < Shards.size (); i++)
{
if (Shards[i].ShardId == shardId)
{
// generate a cookie
CLoginCookie Cookie ((uint32)(uintptr_t)host, userId);
// send message to the welcome service to see if it s ok and know the front end ip
CMessage msgout ("CS");
msgout.serial (Cookie);
msgout.serial (userName, userPriv, userExtended);
//WSServer->send (msgout, Shards[i].SockId);
CUnifiedNetwork::getInstance ()->send (Shards[i].SId, msgout);
beep (1000, 1, 100, 100);
// add the connection in temp cookie
TempCookies.insert(make_pair(Cookie.getUserAddr(), Cookie));
return;
}
}
// the shard is not available, denied the user
nlwarning("ShardId %d is not available, can't add the userid %d", shardId, userId);
CMemStream msgout;
uint32 fake = 0;
msgout.serial(fake);
string reason = "Selected shard is not available";
msgout.serial (reason);
WebServer->send (msgout, host);
}
void cbDisconnectClient (CMemStream &msgin, TSockId host)
{
sint32 shardId;
sint32 userId;
msgin.serial (shardId);
msgin.serial (userId);
nlinfo ("Web wants to disconnect userid %d, send request to the shard %d", userId, shardId);
for (uint i = 0; i < Shards.size (); i++)
{
if (Shards[i].ShardId == shardId)
{
// ask the WS to disconnect the player from the shard
CMessage msgout ("DC");
msgout.serial (userId);
//WSServer->send (msgout, Shards[i].SockId);
CUnifiedNetwork::getInstance ()->send (Shards[i].SId, msgout);
// send answer to the web
CMemStream msgout2;
uint32 fake = 0;
msgout2.serial(fake);
string reason = "";
msgout2.serial (reason);
WebServer->send (msgout2, host);
return;
}
}
nlwarning("ShardId %d is not available, can't disconnect the userid %d", shardId, userId);
CMemStream msgout;
uint32 fake = 0;
msgout.serial(fake);
string reason = "ShardId "+toString(shardId)+"is not available, can't disconnect the userid"+toString(userId);
msgout.serial (reason);
WebServer->send (msgout, host);
}
typedef void (*WebCallback)(CMemStream &msgin, TSockId host);
WebCallback WebCallbackArray[] = {
cbAskClientConnection,
cbDisconnectClient
};
//
// Functions
//
void connectionWebInit ()
{
nlassert(WebServer == NULL);
WebServer = new CBufServer ();
nlassert(WebServer != NULL);
uint16 port = (uint16) IService::getInstance ()->ConfigFile.getVar ("WebPort").asInt();
WebServer->init (port);
// catch the messages from Welcome Service to know if the user can connect or not
CUnifiedNetwork::getInstance ()->addCallbackArray (WSCallbackArray, sizeof(WSCallbackArray)/sizeof(WSCallbackArray[0]));
nlinfo ("Set the server connection for web to port %hu", port);
}
void connectionWebUpdate ()
{
nlassert(WebServer != NULL);
try
{
WebServer->update ();
while (WebServer->dataAvailable ())
{
// create a string mem stream to easily communicate with web server
NLMISC::CMemStream msgin (true);
TSockId host;
uint8 messageType = 0;
try
{
WebServer->receive (msgin, &host);
uint32 fake = 0;
msgin.serial(fake);
msgin.serial (messageType);
}
catch (Exception &e)
{
nlwarning ("Error during receiving: '%s'", e.what ());
}
if(messageType<sizeof(WebCallbackArray)/sizeof(WebCallbackArray[0]))
{
WebCallbackArray[messageType](msgin, host);
}
else
{
nlwarning ("Received an unknown message type %d from web server", messageType);
}
}
}
catch (Exception &e)
{
nlwarning ("Error during update: '%s'", e.what ());
}
}
void connectionWebRelease ()
{
nlassert(WebServer != NULL);
delete WebServer;
WebServer = 0;
}