khanat-code-old/code/nel/samples/net/multi_shards/client.cpp

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// 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/>.
/*
* Login system example, client.
*
* This client connects to a front-end server using login system.
*
* Before running this client, the front end service sample must run,
* and also the NeL naming_service, time_service, login_service, welcome_service.
*
*/
// We're using std
#include <string>
// We're using NeL
#include "nel/misc/types_nl.h"
#include "nel/misc/debug.h"
#include "nel/misc/config_file.h"
#include "nel/misc/bit_mem_stream.h"
// We're using the login client
#include "nel/net/login_client.h"
#include "nel/net/login_cookie.h"
#include "nel/net/udp_sock.h"
using namespace std;
using namespace NLMISC;
using namespace NLNET;
/*
* main
*/
void main (int argc, char **argv)
{
string result;
CConfigFile ConfigFile;
ConfigFile.load ("client.cfg");
string LSHost(ConfigFile.getVar("LSHost").asString());
char buf[256];
printf("Login: ");
gets(buf);
string Login(buf);
printf("Password: ");
gets(buf);
string Password(buf);
if (Login.empty ())
{
Login = ConfigFile.getVar("Login").asString();
}
if (Password.empty ())
{
Password = ConfigFile.getVar("Password").asString();
}
/* Try to connect to the login service and check the login, password and version of the client.
* return an empty string if all go well
*/
result = CLoginClient::authenticate(LSHost+":49999", Login, Password, "sample");
if(!result.empty()) nlerror ("*** Authenticate failed '%s' ***", result.c_str());
// CLoginClient::ShardList contains all available shards
for (uint i = 0; i < CLoginClient::ShardList.size (); i++)
{
nlinfo("*** shard %d is: %s (%d) ***", i, CLoginClient::ShardList[i].Name.c_str (), CLoginClient::ShardList[i].Id);
}
/* Try to connect to the last shard number in the list.
* return an empty string if all go well
*/
string fs_ip, login_cookie;
result = CLoginClient::wantToConnectToShard(CLoginClient::ShardList[CLoginClient::ShardList.size() - 1].Id, fs_ip, login_cookie);
if (!result.empty()) nlerror("*** Select shard failed '%s' ***", result.c_str());
CLoginCookie cookie; cookie.setFromString(login_cookie); // who's idea was it to send the cookie as a string...
CCallbackClient *cnx = new CCallbackClient();
result = CLoginClient::connectToShard(cookie, fs_ip, *cnx);
if (!result.empty()) nlerror("*** Connection to the shard failed '%s' ***", result.c_str());
nlinfo ("*** Connection granted! You are connected on the frond end ***");
while (cnx->connected ())
{
cnx->update ();
nlSleep(10);
}
if( cnx->connected ())
cnx->disconnect ();
delete cnx;
}