sip_ring_state.hxx

模拟移动客户端软件飞信登录的状态机器定义代码。

//====================================================================
//                
// Copyright (C) 2006-2008,  Frank.Ning
//                
// Filename:      sip_ring_state.hxx
// Author:        Frank.Ning <[e-mail]>
// Description:   
//                
// $Id:$
//                
//====================================================================
#ifndef __SIP_RING_STATE_HXX__
#define __SIP_RING_STATE_HXX__

static const char* const sip_ring_state_hxx_version =
   "$Id:$";

#include "state.hxx"

struct sip_ring_state :  public fsm::state<sip_ring_state, FetionInviteStateList, bool>
{

      bool on_process( shared_ptr<sip_cmd> cmd , ua_agent* parent )
      {
         ua_callctl& ua = ua_callctl::instance( );


         parent->set_last_sip_cmd_msg( cmd );
         
         if( cmd->get_method( ) == "C" ||
             cmd->get_method( ) == "CANCEL" )
         {
            agent->stop( );

            return true ;
         }

         return false ;
      }

      bool on_process( shared_ptr<sip_status> status , ua_agent* parent )
      {
         ua_callctl& ua = ua_callctl::instance( );

         
         if( status->get_status_code( ) == 200 ) // OK
         {
            parent->set_last_sip_status_msg( status );

            shared_ptr<sip_cmd> ack = parent->build_ack_msg( status );

            parent->set_last_sip_cmd_msg( ack );

            ua.get_output_channel( )->add( shared_ptr<sip_event>( ack ) );
            
            switch_to<sip_incall_state>( );
            return true ;            
         }

         return false ;
      }

      bool on_process( shared_ptr<keyboard_msg> keyboard , ua_agent* parent)
      {
         ua_callctl& ua = ua_callctl::instance( );
         
         bool result = false ;
         
         switch( keyboard->get_cmd( ) )
         {
            case "ACCEPT":
            {
               shared_ptr<sip_status> status = agent->build_ok_msg( agent->get_last_sip_cmd_msg( ) );

               agent->set_last_sip_status_msg( status );
               
               ua.get_output_channel( )->add( shared_ptr<sip_event>( status ) );

               switch_to<sip_incall_state>( );

               result = true ;
               
               break ;
            }
            case "CANCEL":
            {
               shared_ptr<sip_cmd> cancel = agent->build_cancel_msg( agent->get_last_sip_cmd_msg( ) );
               
               ua.get_output_channel( )->add( shared_ptr<sip_event>( cancel ) );
               
               agent->set_last_sip_cmd_msg( cancel );
               
               agent->stop( );

               result = true ;               
               break ;
            }
            default:
               break;
         }

         return result ;
      }

};

#endif