kolibrios-fun/kernel/trunk/network/tcp_usreq.inc
hidnplayr e93a49b442 Disabled network debug output by default.
git-svn-id: svn://kolibrios.org@3556 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-05-28 19:19:23 +00:00

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