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3545 hidnplayr 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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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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        DEBUGF  1,"TCP_usrclosed: %x\n", eax
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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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        DEBUGF  1,"TCP_disconnect: %x\n", eax
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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