www.pudn.com > SimpleMUD.rar > Logon.h

// MUD Programming 
// Ron Penton 
// (C)2003 
// Logon.h - This class is the logon handler for SimpleMUD. 
//  
//  
 
#ifndef SIMPLEMUDLOGON_H 
#define SIMPLEMUDLOGON_H 
 
#include "SocketLib/SocketLib.h" 
#include "SimpleMUDLogs.h" 
#include  
 
using SocketLib::Telnet; 
using SocketLib::Connection; 
using std::string; 
 
namespace SimpleMUD 
{ 
 
 
enum LogonState  
{ 
    NEWCONNECTION,           // first state 
    NEWUSER,                 // new user, enter desired name 
    ENTERNEWPASS,            // new user, enter desired password 
    ENTERPASS                // existing user, enter password 
}; 
 
 
 
class Logon : public Telnet::handler 
{ 
    // typedef the class because MSVC6 isn't smart enough to construct 
    // a "Telnet::handler" object, yet it will construct a typedef just 
    // fine.  *boggle* 
    typedef Telnet::handler thandler; 
public: 
 
    // ------------------------------------------------------------------------ 
    //  Construct the handler with a reference to the connection so that it can 
    //  be used later on. Handlers are initialized only once, and cannot change 
    //  connections. A flaw in MSVC6 neccessitated the typedeffing of 
    //  Telnet::handler to thandler in order to call the base constructor. 
    // ------------------------------------------------------------------------ 
    Logon( Connection& p_conn ) 
        : thandler( p_conn ) 
    { 
        m_state = NEWCONNECTION; 
        m_errors = 0; 
    } 
 
 
    // ------------------------------------------------------------------------ 
    //  Handler Functions 
    // ------------------------------------------------------------------------ 
    void Handle( string p_data ); 
    void Enter(); 
    void Leave() {}; 
    void Hungup()  
    { 
        USERLOG.Log(   
            SocketLib::GetIPString( m_connection->GetRemoteAddress() ) +  
            " - hung up in login state." ); 
    }; 
  
    void Flooded()  
    { 
        USERLOG.Log(   
            SocketLib::GetIPString( m_connection->GetRemoteAddress() ) +  
            " - flooded in login state." ); 
    }; 
 
    // ------------------------------------------------------------------------ 
    //  This changes the game state so that the player enters the game. 
    // ------------------------------------------------------------------------ 
    void GotoGame( bool p_newbie = false ); 
 
    // ------------------------------------------------------------------------ 
    //  This tells a connection that there is no room for the connection and 
    //  that it will be terminated. 
    // ------------------------------------------------------------------------ 
    static void NoRoom( Connection& p_connection ) 
    { 
        static string msg = "Sorry, there is no more room on this server.\r\n"; 
        try 
        { 
            p_connection.Send( msg.c_str(), (int)msg.size() ); 
        } 
        catch( SocketLib::Exception ) 
        { 
            // do nothing here; probably an exploiter if sending that data 
            // causes an exception. 
        } 
    } 
 
    // ------------------------------------------------------------------------ 
    //  This checks if a user name is acceptible. 
    // ------------------------------------------------------------------------ 
    static bool AcceptibleName( const string& p_name ); 
 
protected: 
 
    LogonState m_state; 
    int m_errors;               // how many times has an invalid answer been 
                                // entered? 
 
    string m_name;              // name 
    string m_pass;              // password 
 
 
};  // end class Logon 
 
 
 
}   // end namespace SimpleMUD 
 
#endif