Distributed Chat (minder/minion tech demo)

00001 //ChatSocket.cpp
00002 /*
00003 Copyright (C) 2004  Anders Hedstrom
00004 
00005 This program is free software; you can redistribute it and/or
00006 modify it under the terms of the GNU General Public License
00007 as published by the Free Software Foundation; either version 2
00008 of the License, or (at your option) any later version.
00009 
00010 This program is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 GNU General Public License for more details.
00014 
00015 You should have received a copy of the GNU General Public License
00016 along with this program; if not, write to the Free Software
00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018 */
00019 
00020 //#include <stdio.h>
00021 
00022 #include "DChatHandler.h"
00023 #include "ChatSocket.h"
00024 
00025 
00026 
00027 
00028 ChatSocket::ChatSocket(ISocketHandler& h)
00029 :TcpSocket(h)
00030 ,m_state(STATE_LOGIN)
00031 ,m_name("")
00032 {
00033         SetLineProtocol();
00034 }
00035 
00036 
00037 ChatSocket::~ChatSocket()
00038 {
00039 }
00040 
00041 
00042 void ChatSocket::OnAccept()
00043 {
00044         Send("Welcome.\n");
00045         SendPrompt();
00046 }
00047 
00048 
00049 void ChatSocket::OnLine(const std::string& line)
00050 {
00051         switch (m_state)
00052         {
00053         case STATE_LOGIN:
00054                 if (line.size())
00055                 {
00056                         m_name = line;
00057                         m_state = STATE_PROMPT;
00058                 }
00059                 SendPrompt();
00060                 break;
00061         case STATE_PROMPT:
00062                 if (line.size())
00063                 {
00064                         if (line == "/who")
00065                         {
00066                                 static_cast<DChatHandler&>(Handler()).Who(this);
00067                         }
00068                         else
00069                         if (line == "/quit")
00070                         {
00071                                 m_state = STATE_QUIT;
00072                         }
00073                         else
00074                         {
00075                                 static_cast<DChatHandler&>(Handler()).Talk(m_name,line);
00076                                 Send("You say '" + line + "'\n");
00077                         }
00078                 }
00079                 SendPrompt();
00080                 break;
00081         case STATE_QUIT:
00082                 break;
00083         }
00084 }
00085 
00086 
00087 void ChatSocket::SendPrompt()
00088 {
00089         switch (m_state)
00090         {
00091         case STATE_LOGIN:
00092                 Send("Enter name: ");
00093                 break;
00094         case STATE_PROMPT:
00095                 Send("> ");
00096                 break;
00097         case STATE_QUIT:
00098                 Send("Goodbye!\n");
00099                 SetCloseAndDelete();
00100                 break;
00101         }
00102 }
00103 
00104