nel/samples/net/chat/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 //
  29 // Includes
  30 //
  31
  32 #include <string>
  33
  34 #include "nel/misc/types_nl.h"
  35 #include "nel/misc/debug.h"
  36 #include "nel/misc/config_file.h"
  37 #include "nel/misc/bit_mem_stream.h"
  38 #include "nel/misc/path.h"
  39
  40 #include "nel/net/callback_client.h"
  41
  42 #ifdef NL_OS_WINDOWS
  43 #include <conio.h>
  44 #else
  45 #include "kbhit.h"
  46 #endif
  47
  48 using namespace std;
  49 using namespace NLMISC;
  50 using namespace NLNET;
  51
  52 // Really simple chat
  53 // Do not display what you are typing
  54
  55 #ifdef NL_OS_WINDOWS
  56 #define KEY_ESC         27
  57 #define KEY_ENTER       13
  58 #else
  59 #define KEY_ESC         27
  60 #define KEY_ENTER       10
  61 #endif
  62
  63 #ifndef CHAT_DIR
  64 #       define CHAT_DIR "."
  65 #endif
  66
  67 string CurrentEditString;
  68
  69 // ***************************************************************************
  70 void serverSentChat (CMessage &msgin, TSockId from, CCallbackNetBase &netbase)
  71 {
  72         // Called when the server sent a CHAT message
  73         string text;
  74         msgin.serial(text);
  75         printf("%s\n", text.c_str());
  76 }
  77
  78 // ***************************************************************************
  79 // All messages handled by this server
  80 #define NB_CB 1
  81 TCallbackItem CallbackArray[NB_CB] =
  82 {
  83         { "CHAT", serverSentChat }
  84 };
  85
  86 /*
  87  * main
  88  */
  89 int main (int argc, char **argv)
  90 {
  91         NLMISC::CApplicationContext applicationContext;
  92
  93         CCallbackClient *Client;
  94
  95         NLMISC::CPath::addSearchPath(CHAT_DIR);
  96
  97         // Read the host where to connect in the client.cfg file
  98         CConfigFile ConfigFile;
  99         ConfigFile.load (NLMISC::CPath::lookup("client.cfg"));
 100         string LSHost(ConfigFile.getVar("LSHost").asString());
 101
 102         // Init and Connect the client to the server located on port 3333
 103         Client = new CCallbackClient();
 104         Client->addCallbackArray (CallbackArray, NB_CB);
 105
 106         printf("Please wait connecting...\n");
 107         try
 108         {
 109                 CInetAddress addr(LSHost+":3333");
 110                 Client->connect(addr);
 111         }
 112         catch(const ESocket &e)
 113         {
 114                 printf("%s\n", e.what());
 115                 return 0;
 116         }
 117
 118         if (!Client->connected())
 119         {
 120                 printf("Connection Error\n");
 121                 return 0;
 122         }
 123         printf("Connected.\n");
 124
 125 #ifdef NL_OS_UNIX
 126         init_keyboard();
 127 #endif
 128         // The main loop
 129         do
 130         {
 131                 int c;
 132                 if (kbhit())
 133                 {
 134                         c = getch();
 135                         if (c == KEY_ESC)
 136                         {
 137                                 break; // FINSIH
 138                         }
 139                         else if (c == KEY_ENTER)
 140                         {
 141                                 CMessage msg;
 142                                 msg.setType("CHAT");
 143                                 msg.serial (CurrentEditString);
 144                                 Client->send(msg);
 145                                 CurrentEditString = "";
 146                         }
 147                         else
 148                         {
 149                                 CurrentEditString += c;
 150                         }
 151                 }
 152                 Client->update();
 153         }
 154         while (Client->connected());
 155
 156 #ifdef NL_OS_UNIX
 157         close_keyboard();
 158 #endif
 159         // Finishing
 160         delete Client;
 161 }