2013-05-28 21:09:31 +02:00
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; Part of the TCP/IP network stack for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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;; ;;
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;; Based on the code of 4.4BSD ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;-------------------------
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;
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; TCP_usrclose
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;
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; Move connection to next state, based on process close.
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;
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; IN: eax = socket ptr
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;
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;-------------------------
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align 4
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TCP_usrclosed:
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2013-06-02 12:40:22 +02:00
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DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_usrclosed: %x\n", eax
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2013-05-28 21:09:31 +02:00
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push ebx
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mov ebx, [eax + TCP_SOCKET.t_state]
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mov ebx, dword [.switch + ebx*4]
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jmp ebx
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.switch:
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dd .close ; TCPS_CLOSED
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dd .close ; TCPS_LISTEN
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dd .close ; TCPS_SYN_SENT
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dd .wait1 ; TCPS_SYN_RECEIVED
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dd .wait1 ; TCPS_ESTABLISHED
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dd .last_ack ; TCPS_CLOSE_WAIT
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dd .ret ; TCPS_FIN_WAIT_1
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dd .ret ; TCPS_CLOSING
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dd .ret ; TCPS_LAST_ACK
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dd .disc ; TCPS_FIN_WAIT_2
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dd .disc ; TCPS_TIMED_WAIT
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.close:
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mov [eax + TCP_SOCKET.t_state], TCPS_CLOSED
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call TCP_close
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pop ebx
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ret
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.wait1:
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mov [eax + TCP_SOCKET.t_state], TCPS_FIN_WAIT_1
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; TODO: set timer?
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pop ebx
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ret
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.last_ack:
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mov [eax + TCP_SOCKET.t_state], TCPS_LAST_ACK
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pop ebx
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ret
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.disc:
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call SOCKET_is_disconnected
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; TODO: set timer?
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.ret:
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pop ebx
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ret
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;-------------------------
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;
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; TCP_disconnect
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;
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; IN: eax = socket ptr
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; OUT: eax = socket ptr
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;
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;-------------------------
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align 4
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TCP_disconnect:
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2013-06-02 12:40:22 +02:00
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DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_disconnect: %x\n", eax
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2013-05-28 21:09:31 +02:00
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cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED
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jb TCP_close
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; TODO: implement LINGER ?
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call SOCKET_is_disconnecting
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call TCP_usrclosed
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call TCP_output
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ret
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