nel/samples/net/multi_shards/client.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 /*
  19  * Login system example, client.
  20  *
  21  * This client connects to a front-end server using login system.
  22  *
  23  * Before running this client, the front end service sample must run,
  24  * and also the NeL naming_service, time_service, login_service, welcome_service.
  25  *
  26  */
  27
  28 // We're using std
  29 #include <string>
  30
  31 // We're using NeL
  32 #include "nel/misc/types_nl.h"
  33 #include "nel/misc/debug.h"
  34 #include "nel/misc/config_file.h"
  35 #include "nel/misc/bit_mem_stream.h"
  36
  37 // We're using the login client
  38 #include "nel/net/login_client.h"
  39 #include "nel/net/login_cookie.h"
  40
  41 #include "nel/net/udp_sock.h"
  42
  43
  44 using namespace std;
  45 using namespace NLMISC;
  46 using namespace NLNET;
  47
  48 /*
  49  * main
  50  */
  51 void main (int argc, char **argv)
  52 {
  53         string result;
  54
  55         CConfigFile ConfigFile;
  56
  57         ConfigFile.load ("client.cfg");
  58
  59         string LSHost(ConfigFile.getVar("LSHost").asString());
  60
  61         char    buf[256];
  62         printf("Login: ");
  63         fgets(buf, 256, stdin);
  64         string  Login(buf);
  65
  66         printf("Password: ");
  67         fgets(buf, 256, stdin);
  68         string  Password(buf);
  69
  70         if (Login.empty ())
  71         {
  72                 Login = ConfigFile.getVar("Login").asString();
  73         }
  74
  75         if (Password.empty ())
  76         {
  77                 Password = ConfigFile.getVar("Password").asString();
  78         }
  79
  80         /* Try to connect to the login service and check the login, password and version of the client.
  81          * return an empty string if all go well
  82          */
  83         result = CLoginClient::authenticate(LSHost+":49999", Login, Password, "sample");
  84
  85         if(!result.empty()) nlerror ("*** Authenticate failed '%s' ***", result.c_str());
  86
  87         // CLoginClient::ShardList contains all available shards
  88         for (uint i = 0; i < CLoginClient::ShardList.size (); i++)
  89         {
  90                 nlinfo("*** shard %d is: %s (%d) ***", i, CLoginClient::ShardList[i].Name.c_str (), CLoginClient::ShardList[i].Id);
  91         }
  92
  93         /* Try to connect to the last shard number in the list.
  94          * return an empty string if all go well
  95          */
  96
  97         string fs_ip, login_cookie;
  98         result = CLoginClient::wantToConnectToShard(CLoginClient::ShardList[CLoginClient::ShardList.size() - 1].Id, fs_ip, login_cookie);
  99         if (!result.empty()) nlerror("*** Select shard failed '%s' ***", result.c_str());
 100         CLoginCookie cookie; cookie.setFromString(login_cookie); // who's idea was it to send the cookie as a string...
 101
 102         CCallbackClient *cnx = new CCallbackClient();
 103         result = CLoginClient::connectToShard(cookie, fs_ip, *cnx);
 104
 105         if (!result.empty()) nlerror("*** Connection to the shard failed '%s' ***", result.c_str());
 106
 107         nlinfo ("*** Connection granted! You are connected on the frond end ***");
 108
 109         while (cnx->connected ())
 110         {
 111                 cnx->update ();
 112                 nlSleep(10);
 113         }
 114
 115         if( cnx->connected ())
 116                 cnx->disconnect ();
 117
 118         delete cnx;
 119 }