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refactored SOCKET_connect

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git-svn-id: svn://kolibrios.org@4030 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2013-10-15 10:35:08 +00:00
parent c991e634ef
commit b99d839ce8
5 changed files with 266 additions and 176 deletions
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38
kernel/trunk/network/IPv4.inc
View File

@ -910,6 +910,44 @@ IPv4_get_frgmnt_num:
ret
;-----------------------------------------------------------------
;
; IPv4_connect
;
; IN: eax = socket pointer
; OUT: eax = 0 ok / -1 error
; ebx = error code
;
;-------------------------
align 4
IPv4_connect:
pusha
lea ecx, [eax + SOCKET.mutex]
call mutex_lock
popa
; Fill in local IP
cmp [eax + IP_SOCKET.LocalIP], 0
jne @f
push [IP_LIST + 4] ; FIXME: use correct local IP
pop [eax + IP_SOCKET.LocalIP]
; Fill in remote IP
pushd [edx + 4]
pop [eax + IP_SOCKET.RemoteIP]
push eax
init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
pop eax
lea ecx, [eax + SOCKET.mutex]
call mutex_unlock
xor eax, eax
ret
;---------------------------------------------------------------------------
;
; IPv4_API

189
kernel/trunk/network/socket.inc
View File

@ -39,6 +39,7 @@ struct SOCKET
snd_proc dd ?
rcv_proc dd ?
connect_proc dd ?
ends
@ -150,7 +151,6 @@ struct UDP_SOCKET IP_SOCKET
LocalPort dw ? ; network byte order
RemotePort dw ? ; network byte order
firstpacket db ?
ends
@ -311,6 +311,7 @@ SOCKET_open:
mov [eax + SOCKET.Domain], ecx
mov [eax + SOCKET.Type], edx
mov [eax + SOCKET.Protocol], esi
mov [eax + SOCKET.connect_proc], connect_notsupp
cmp ecx, AF_INET4
jne .no_inet4
@ -359,6 +360,7 @@ align 4
mov [eax + SOCKET.Protocol], IP_PROTO_UDP
mov [eax + SOCKET.snd_proc], SOCKET_send_udp
mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
mov [eax + SOCKET.connect_proc], UDP_connect
ret
align 4
@ -366,6 +368,7 @@ align 4
mov [eax + SOCKET.Protocol], IP_PROTO_TCP
mov [eax + SOCKET.snd_proc], SOCKET_send_tcp
mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream
mov [eax + SOCKET.connect_proc], TCP_connect
TCP_init_socket eax
ret
@ -375,6 +378,7 @@ align 4
.raw_ip:
mov [eax + SOCKET.snd_proc], SOCKET_send_ip
mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
mov [eax + SOCKET.connect_proc], IPv4_connect
ret
@ -382,6 +386,7 @@ align 4
.raw_icmp:
mov [eax + SOCKET.snd_proc], SOCKET_send_icmp
mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
mov [eax + SOCKET.connect_proc], IPv4_connect
ret
align 4
@ -504,8 +509,12 @@ SOCKET_connect:
test [eax + SOCKET.options], SO_ACCEPTCON
jnz .notsupp
cmp word [edx], AF_INET4
je .af_inet4
call [eax + SOCKET.connect_proc]
mov dword[esp+20], ebx
mov dword[esp+32], eax
ret
.notsupp:
mov dword[esp+20], EOPNOTSUPP
@ -522,177 +531,11 @@ SOCKET_connect:
mov dword[esp+32], -1
ret
.eisconn:
mov dword[esp+20], EISCONN
mov dword[esp+32], -1
ret
.af_inet4:
cmp [eax + IP_SOCKET.LocalIP], 0
jne @f
push [IP_LIST + 4] ; FIXME: use correct local IP
pop [eax + IP_SOCKET.LocalIP]
@@:
cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
je .udp
cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
je .tcp
cmp [eax + SOCKET.Protocol], IP_PROTO_IP
je .ip
cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP
je .ip
jmp .notsupp
align 4
.udp:
pusha
lea ecx, [eax + SOCKET.mutex]
call mutex_lock
popa
; Fill in remote port and IP, overwriting eventually previous values
pushw [edx + 2]
pop [eax + UDP_SOCKET.RemotePort]
pushd [edx + 4]
pop [eax + IP_SOCKET.RemoteIP]
cmp [eax + UDP_SOCKET.LocalPort], 0
jne @f
call SOCKET_find_port
@@:
mov [eax + UDP_SOCKET.firstpacket], 0
push eax
init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
pop eax
lea ecx, [eax + SOCKET.mutex]
call mutex_unlock
call SOCKET_is_connected
mov dword[esp+32], 0
ret
align 4
.tcp:
test [eax + SOCKET.state], SS_ISCONNECTED
jnz .eisconn
pusha
lea ecx, [eax + SOCKET.mutex]
call mutex_lock
popa
pushw [edx + 2]
pop [eax + TCP_SOCKET.RemotePort]
pushd [edx + 4]
pop [eax + IP_SOCKET.RemoteIP]
cmp [eax + TCP_SOCKET.LocalPort], 0
jne @f
call SOCKET_find_port
@@:
mov [eax + TCP_SOCKET.timer_persist], 0
mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT
push [TCP_sequence_num]
add [TCP_sequence_num], 6400
pop [eax + TCP_SOCKET.ISS]
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
TCP_sendseqinit eax
mov ebx, eax
lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_create ; TODO: check if memory was available or not
lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_create ; TODO: same here
push ebx
lea ecx, [ebx + SOCKET.mutex]
call mutex_unlock
pop eax
call SOCKET_is_connecting
push eax
call TCP_output
pop eax
.block:
test [eax + SOCKET.options], SO_NONBLOCK
jz .waitforit
mov dword[esp+32], -1
mov dword[esp+20], EINPROGRESS
ret
.waitforit:
push eax
stdcall timer_hs, 300, 0, .timeout, eax ; FIXME: make timeout a constant
pop ebx
mov [ebx + TCP_SOCKET.timer_connect], eax
mov eax, ebx
.loop:
cmp [eax + SOCKET.errorcode], 0
jne .fail
cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED
je .established
call SOCKET_block
jmp .loop
.timeout:
mov eax, [esp+4]
mov [eax + SOCKET.errorcode], ETIMEDOUT
and [eax + SOCKET.state], not SS_ISCONNECTING
call SOCKET_notify.unblock
ret 4
.fail:
mov eax, [eax + SOCKET.errorcode]
mov [eax + SOCKET.errorcode], 0 ; Clear the error, we only need to send it to the caller once
mov [esp+20], eax
mov dword[esp+32], -1
ret
.established:
stdcall cancel_timer_hs, [eax + TCP_SOCKET.timer_connect]
mov dword[esp+20], EISCONN
mov dword[esp+32], 0
ret
align 4
.ip:
pusha
lea ecx, [eax + SOCKET.mutex]
call mutex_lock
popa
pushd [edx + 4]
pop [eax + IP_SOCKET.RemoteIP]
push eax
init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
pop eax
lea ecx, [eax + SOCKET.mutex]
call mutex_unlock
mov dword[esp+32], 0
connect_notsupp:
xor eax, eax
dec eax
mov ebx, EOPNOTSUPP
ret

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

@ -71,6 +71,8 @@ TCP_time_rtt_default = 5 ; default Round Trip Time (3,2s)
TCP_time_srtt_default = 0 ;
TCP_time_max_idle = 8*TCP_time_keep_interval ; FIXME
TCP_time_connect = 300 ; in 1/100s (default=3s)
; timer constants
TCP_max_rxtshift = 12 ; max retransmissions waiting for ACK
TCP_max_keepcnt = 8 ; max keepalive probes

131
kernel/trunk/network/tcp_usreq.inc
View File

@ -74,6 +74,137 @@ TCP_usrclosed:
ret
;-------------------------
;
; TCP_connect
;
; IN: eax = socket ptr
; OUT: eax = 0 ok / -1 error
; ebx = error code
;
;-------------------------
align 4
TCP_connect:
test [eax + SOCKET.state], SS_ISCONNECTED
jnz .eisconn
push eax
lea ecx, [eax + SOCKET.mutex]
call mutex_lock
pop eax
; Fill in local IP
cmp [eax + IP_SOCKET.LocalIP], 0
jne @f
push [IP_LIST + 4] ; FIXME: use correct local IP
pop [eax + IP_SOCKET.LocalIP]
; Fill in remote port and IP
pushw [edx + 2]
pop [eax + TCP_SOCKET.RemotePort]
pushd [edx + 4]
pop [eax + IP_SOCKET.RemoteIP]
; Find a local port, if user didnt define one
cmp [eax + TCP_SOCKET.LocalPort], 0
jne @f
call SOCKET_find_port
@@:
; Start the TCP sequence
mov [eax + TCP_SOCKET.timer_persist], 0
mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT
push [TCP_sequence_num]
add [TCP_sequence_num], 6400
pop [eax + TCP_SOCKET.ISS]
mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
TCP_sendseqinit eax
mov ebx, eax
lea eax, [ebx + STREAM_SOCKET.snd]
call SOCKET_ring_create
test eax, eax
jz .nomem
lea eax, [ebx + STREAM_SOCKET.rcv]
call SOCKET_ring_create
test eax, eax
jz .nomem
push ebx
lea ecx, [ebx + SOCKET.mutex]
call mutex_unlock
pop eax
call SOCKET_is_connecting
; Now send the SYN packet to remote end
push eax
call TCP_output
pop eax
.block:
test [eax + SOCKET.options], SO_NONBLOCK
jz .waitforit
xor eax, eax
dec eax
mov ebx, EINPROGRESS
ret
.nomem:
xor eax, eax
dec eax
mov ebx, ENOMEM
ret
.eisconn:
xor eax, eax
dec eax
mov ebx, EISCONN
ret
.waitforit:
push eax
stdcall timer_hs, TCP_time_connect, 0, .timeout, eax
pop ebx
mov [ebx + TCP_SOCKET.timer_connect], eax
mov eax, ebx
.loop:
cmp [eax + SOCKET.errorcode], 0
jne .fail
cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED
je .established
call SOCKET_block
jmp .loop
.timeout:
mov eax, [esp+4]
mov [eax + SOCKET.errorcode], ETIMEDOUT
and [eax + SOCKET.state], not SS_ISCONNECTING
call SOCKET_notify.unblock
ret 4
.fail:
mov ebx, [eax + SOCKET.errorcode]
mov [eax + SOCKET.errorcode], 0 ; Clear the error, we only need to send it to the caller once
xor eax, eax
dec eax
ret
.established:
stdcall cancel_timer_hs, [eax + TCP_SOCKET.timer_connect]
xor eax, eax
ret
;-------------------------

82
kernel/trunk/network/udp.inc
View File

@ -182,7 +182,7 @@ UDP_input:
;
; FIXME: UDP should check remote IP, but not under all circumstances!
cmp [eax + UDP_SOCKET.firstpacket], 0
cmp [eax + UDP_SOCKET.RemotePort], 0
je .updateport
cmp [eax + UDP_SOCKET.RemotePort], cx
@ -211,8 +211,6 @@ UDP_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: new remote port=%x\n", cx ; FIXME: find a way to print big endian values with debugf
mov [eax + UDP_SOCKET.RemotePort], cx
inc [eax + UDP_SOCKET.firstpacket]
jmp .updatesock
.dump_:
@ -311,6 +309,84 @@ UDP_output:
;-----------------------------------------------------------------
;
; UDP_connect
;
; IN: eax = socket pointer
; OUT: eax = 0 ok / -1 error
; ebx = error code
;
;-------------------------
align 4
UDP_connect:
test [eax + SOCKET.state], SS_ISCONNECTED
jz @f
call UDP_disconnect
@@:
push eax
lea ecx, [eax + SOCKET.mutex]
call mutex_lock
pop eax
; Fill in local IP
cmp [eax + IP_SOCKET.LocalIP], 0
jne @f
push [IP_LIST + 4] ; FIXME: use correct local IP
pop [eax + IP_SOCKET.LocalIP]
; Fill in remote port and IP, overwriting eventually previous values
pushw [edx + 2]
pop [eax + UDP_SOCKET.RemotePort]
pushd [edx + 4]
pop [eax + IP_SOCKET.RemoteIP]
; Find a local port, if user didnt define one
cmp [eax + UDP_SOCKET.LocalPort], 0
jne @f
call SOCKET_find_port
@@:
push eax
init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
pop eax
push eax
lea ecx, [eax + SOCKET.mutex]
call mutex_unlock
pop eax
call SOCKET_is_connected
xor eax, eax
ret
;-----------------------------------------------------------------
;
; UDP_disconnect
;
; IN: eax = socket pointer
; OUT: eax = socket pointer
;
;-------------------------
align 4
UDP_disconnect:
; TODO: remove the pending received data
call SOCKET_is_disconnected
ret
;---------------------------------------------------------------------------
;
; UDP_API