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SOCKET_connect can now block if wanted.

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git-svn-id: svn://kolibrios.org@3674 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2013-06-17 18:17:17 +00:00
parent 3e004fd364
commit f828457410
4 changed files with 60 additions and 33 deletions
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65
kernel/trunk/network/socket.inc
View File

@ -17,17 +17,6 @@
$Revision: 3514 $
ENOBUFS = 1
EOPNOTSUPP = 4
EWOULDBLOCK = 6
ENOTCONN = 9
EALREADY = 10
EINVAL = 11
EMSGSIZE = 12
ENOMEM = 18
EADDRINUSE = 20
struct SOCKET
NextPtr dd ? ; pointer to next socket in list
@ -310,7 +299,7 @@ SOCKET_open:
; push edx
; and edx, SO_NONBLOCK
or [eax + SOCKET.options], SO_NONBLOCK ;edx
or [eax + SOCKET.options], SO_NONBLOCK ;edx ; HACK: make all sockets non-blocking untill API and applications are fixed
; pop edx
; and edx, not SO_NONBLOCK
@ -594,13 +583,10 @@ align 4
pop [eax + TCP_SOCKET.ISS]
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
TCP_sendseqinit eax
; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer
mov ebx, eax
lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_create ; TODO: check if memory was available or not
@ -612,14 +598,39 @@ align 4
call mutex_unlock
popa
push ebx
mov eax, ebx
call TCP_output
pop eax
;;; TODO: wait for successfull connection if blocking socket
.block:
test [eax + SOCKET.options], SO_NONBLOCK
jz .loop
mov dword[esp+20], EWOULDBLOCK
mov dword[esp+32], 0 ; Should be -1? or not?
ret
.loop:
cmp [eax + TCP_SOCKET.t_state], TCPS_CLOSED
je .fail
cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT
jne .syn_received
call SOCKET_block
jmp .loop
.fail:
mov eax, [eax + SOCKET.errorcode]
mov [esp+20], eax
mov dword[esp+32], -1
ret
.syn_received:
mov dword[esp+32], 0
ret
align 4
.ip:
pusha
@ -1815,7 +1826,7 @@ SOCKET_ring_free:
; Suspends the thread attached to a socket
;
; IN: eax = socket ptr
; OUT: /
; OUT: eax = unchanged
;
;-----------------------------------------------------------------
align 4
@ -1824,6 +1835,7 @@ SOCKET_block:
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax
pushf
push eax
cli
; Set the 'socket is blocked' flag
@ -1841,6 +1853,7 @@ SOCKET_block:
pop edx
call change_task
pop eax
popf
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n"
@ -1855,7 +1868,7 @@ SOCKET_block:
; notify's the owner of a socket that something happened
;
; IN: eax = socket ptr
; OUT: /
; OUT: eax = unchanged
;
;-----------------------------------------------------------------
align 4
@ -2434,8 +2447,8 @@ SOCKET_is_connected:
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax
and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING)
or [eax + SOCKET.options], SS_ISCONNECTED
and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING)
or [eax + SOCKET.state], SS_ISCONNECTED
jmp SOCKET_notify
@ -2456,8 +2469,8 @@ SOCKET_is_disconnecting:
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax
and [eax + SOCKET.options], not (SS_ISCONNECTING)
or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE
and [eax + SOCKET.state], not (SS_ISCONNECTING)
or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE
jmp SOCKET_notify
@ -2477,8 +2490,8 @@ SOCKET_is_disconnected:
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax
and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING)
or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE
and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING)
or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE
cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
je .tcp
@ -2510,7 +2523,7 @@ SOCKET_cant_recv_more:
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax
or [eax + SOCKET.options], SS_CANTRCVMORE
or [eax + SOCKET.state], SS_CANTRCVMORE
call SOCKET_notify
@ -2532,7 +2545,7 @@ SOCKET_cant_send_more:
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax
or [eax + SOCKET.options], SS_CANTSENDMORE
or [eax + SOCKET.state], SS_CANTSENDMORE
mov [eax + SOCKET.snd_proc], .notconn
call SOCKET_notify

16
kernel/trunk/network/stack.inc
View File

@ -104,9 +104,9 @@ SS_ISABORTING = 0x0080 ; aborting fd references - close()
SS_RESTARTSYS = 0x0100 ; restart blocked system calls
SS_ISDISCONNECTED = 0x0800 ; socket disconnected from peer
SS_ASYNC = 0x0100 ; async i/o notify
SS_ISCONFIRMING = 0x0200 ; deciding to accept connection req
SS_MORETOCOME = 0x0400
SS_ASYNC = 0x1000 ; async i/o notify
SS_ISCONFIRMING = 0x2000 ; deciding to accept connection req
SS_MORETOCOME = 0x4000
SS_BLOCKED = 0x8000
@ -115,7 +115,15 @@ SOCKET_MAXDATA = 4096*32 ; must be 4096*(power of 2) where 'power
MAX_backlog = 20 ; maximum backlog for stream sockets
; Error Codes
ENOBUFS = 55
ENOBUFS = 1
EOPNOTSUPP = 4
EWOULDBLOCK = 6
ENOTCONN = 9
EALREADY = 10
EINVAL = 11
EMSGSIZE = 12
ENOMEM = 18
EADDRINUSE = 20
ECONNREFUSED = 61
ECONNRESET = 52
ETIMEDOUT = 60

10
kernel/trunk/network/tcp_input.inc
View File

@ -1240,7 +1240,10 @@ align 4
and [ebx + TCP_SOCKET.temp_bits], not TCP_BIT_DROPSOCKET
;;; call SOCKET_notify_owner
pusha
mov eax, ebx
call SOCKET_notify
popa
jmp .trim_then_step6
@ -1315,7 +1318,10 @@ align 4
;;; TODO: update stats
; set socket state to connected
mov [ebx + SOCKET.state], SS_ISCONNECTED
push eax
mov eax, ebx
call SOCKET_is_connected
pop eax
mov [ebx + TCP_SOCKET.t_state], TCPS_ESTABLISHED
; Do window scaling on this connection ?

2
kernel/trunk/network/tcp_subr.inc
View File

@ -164,7 +164,7 @@ TCP_drop:
;;; TODO: check if error code is "Connection timed out' and handle accordingly
mov [eax + SOCKET.errorcode], ebx
; mov [eax + SOCKET.errorcode], ebx