WebSVN – Kolibri OS – Blame – /kernel/branches/net/network/socket.inc

Rev	Author	Line No.	Line
1159	hidnplayr	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
2362	hidnplayr	3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
1159	hidnplayr	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
1529	hidnplayr	6	;; Written by hidnplayr@kolibrios.org, ;;
		7	;; and Clevermouse. ;;
1159	hidnplayr	8	;; ;;
1529	hidnplayr	9	;; Based on code by mike.dld ;;
1159	hidnplayr	10	;; ;;
1529	hidnplayr	11	;; GNU GENERAL PUBLIC LICENSE ;;
		12	;; Version 2, June 1991 ;;
		13	;; ;;
1159	hidnplayr	14	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		15
1206	hidnplayr	16	$Revision: 2404 $
1159	hidnplayr	17
1773	hidnplayr	18
2402	hidnplayr	19	struct SOCKET
1249	hidnplayr	20
2402	hidnplayr	21	NextPtr dd ? ; pointer to next socket in list
		22	PrevPtr dd ? ; pointer to previous socket in list
		23	Number dd ? ; socket number
1249	hidnplayr	24
2402	hidnplayr	25	mutex MUTEX
1249	hidnplayr	26
2402	hidnplayr	27	PID dd ? ; application process id
		28	Domain dd ? ; INET/UNIX/..
		29	Type dd ? ; RAW/STREAM/DGRAP
		30	Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP
		31	errorcode dd ?
1249	hidnplayr	32
2402	hidnplayr	33	options dd ?
		34	state dd ?
		35	backlog dw ? ; how many incomming connections that can be queued
1249	hidnplayr	36
2402	hidnplayr	37	snd_proc dd ?
		38	rcv_proc dd ?
1536	hidnplayr	39
2305	hidnplayr	40	ends
1249	hidnplayr	41
2402	hidnplayr	42	struct IP_SOCKET SOCKET
1254	hidnplayr	43
2402	hidnplayr	44	LocalIP rd 4
		45	RemoteIP rd 4
1318	hidnplayr	46
2305	hidnplayr	47	ends
1159	hidnplayr	48
2402	hidnplayr	49	struct TCP_SOCKET IP_SOCKET
1249	hidnplayr	50
2402	hidnplayr	51	LocalPort dw ?
		52	RemotePort dw ?
1514	hidnplayr	53
2402	hidnplayr	54	t_state dd ? ; TCB state
		55	t_rxtshift dd ?
		56	t_rxtcur dd ?
		57	t_dupacks dd ?
		58	t_maxseg dd ?
		59	t_force dd ?
		60	t_flags dd ?
1514	hidnplayr	61
		62	;---------------
		63	; RFC783 page 21
		64
		65	; send sequence
2402	hidnplayr	66	SND_UNA dd ? ; sequence number of unack'ed sent Packets
		67	SND_NXT dd ? ; next send sequence number to use
		68	SND_UP dd ?
		69	SND_WL1 dd ? ; window minus one
		70	SND_WL2 dd ? ;
		71	ISS dd ? ; initial send sequence number
		72	SND_WND dd ? ; send window
1514	hidnplayr	73
		74	; receive sequence
2402	hidnplayr	75	RCV_WND dw ? ; receive window
		76	RCV_NXT dd ? ; next receive sequence number to use
		77	RCV_UP dd ?
		78	IRS dd ? ; initial receive sequence number
1514	hidnplayr	79
		80	;---------------------
		81	; Additional variables
		82
		83	; receive variables
2402	hidnplayr	84	RCV_ADV dd ?
1514	hidnplayr	85
		86	; retransmit variables
2402	hidnplayr	87	SND_MAX dd ?
1514	hidnplayr	88
		89	; congestion control
2402	hidnplayr	90	SND_CWND dd ?
		91	SND_SSTHRESH dd ?
1514	hidnplayr	92
		93	;----------------------
		94	; Transmit timing stuff
2402	hidnplayr	95	t_idle dd ?
		96	t_rtt dd ?
		97	t_rtseq dd ?
		98	t_srtt dd ?
		99	t_rttvar dd ?
		100	t_rttmin dd ?
		101	max_sndwnd dd ?
1514	hidnplayr	102
		103	;-----------------
		104	; Out-of-band data
2402	hidnplayr	105	t_oobflags dd ?
		106	t_iobc dd ?
		107	t_softerror dd ?
1514	hidnplayr	108
		109
		110	;---------
2310	hidnplayr	111	; RFC 1323 ; the order of next 4 elements may not change
1514	hidnplayr	112
2402	hidnplayr	113	SND_SCALE db ?
		114	RCV_SCALE db ?
		115	requested_s_scale db ?
		116	request_r_scale db ?
1514	hidnplayr	117
2402	hidnplayr	118	ts_recent dd ?
		119	ts_recent_age dd ?
		120	last_ack_sent dd ?
1519	hidnplayr	121
2310	hidnplayr	122
1519	hidnplayr	123	;-------
		124	; Timers
2402	hidnplayr	125	timer_retransmission dw ? ; rexmt
		126	timer_persist dw ?
		127	timer_keepalive dw ? ; keepalive/syn timeout
		128	timer_timed_wait dw ? ; also used as 2msl timer
1519	hidnplayr	129
2305	hidnplayr	130	ends
1249	hidnplayr	131
2402	hidnplayr	132	struct UDP_SOCKET IP_SOCKET
1249	hidnplayr	133
2402	hidnplayr	134	LocalPort dw ?
		135	RemotePort dw ?
		136	firstpacket db ?
1249	hidnplayr	137
2305	hidnplayr	138	ends
1249	hidnplayr	139
		140
2402	hidnplayr	141	struct ICMP_SOCKET IP_SOCKET
1249	hidnplayr	142
2402	hidnplayr	143	Identifier dw ?
1514	hidnplayr	144
2305	hidnplayr	145	ends
1514	hidnplayr	146
		147
2402	hidnplayr	148	struct RING_BUFFER
2311	hidnplayr	149
2402	hidnplayr	150	start_ptr dd ? ; Pointer to start of buffer
		151	end_ptr dd ? ; pointer to end of buffer
		152	read_ptr dd ? ; Read pointer
		153	write_ptr dd ? ; Write pointer
		154	size dd ? ; Number of bytes buffered
2311	hidnplayr	155
2305	hidnplayr	156	ends
1514	hidnplayr	157
2402	hidnplayr	158	struct STREAM_SOCKET TCP_SOCKET
1529	hidnplayr	159
2402	hidnplayr	160	rcv RING_BUFFER
		161	snd RING_BUFFER
1529	hidnplayr	162
2305	hidnplayr	163	ends
1529	hidnplayr	164
2402	hidnplayr	165	struct socket_queue_entry
1529	hidnplayr	166
2402	hidnplayr	167	data_ptr dd ?
		168	buf_ptr dd ?
		169	data_size dd ?
1529	hidnplayr	170
1274	hidnplayr	171	ends
		172
1514	hidnplayr	173
2402	hidnplayr	174	SOCKETBUFFSIZE equ 4096 ; in bytes
1514	hidnplayr	175
2402	hidnplayr	176	SOCKET_QUEUE_SIZE equ 10 ; maximum number ofincoming packets queued for 1 socket
1514	hidnplayr	177	; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start
2402	hidnplayr	178	SOCKET_QUEUE_LOCATION equ (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue)
1249	hidnplayr	179
1159	hidnplayr	180	uglobal
2402	hidnplayr	181	net_sockets rd 4
		182	last_socket_num dd ?
		183	last_UDP_port dw ? ; These values give the number of the last used ephemeral port
		184	last_TCP_port dw ? ;
1159	hidnplayr	185	endg
		186
		187
1257	hidnplayr	188	;-----------------------------------------------------------------
1159	hidnplayr	189	;
		190	; SOCKET_init
		191	;
1257	hidnplayr	192	;-----------------------------------------------------------------
2402	hidnplayr	193	macro SOCKET_init {
1159	hidnplayr	194
2402	hidnplayr	195	xor eax, eax
		196	mov edi, net_sockets
		197	mov ecx, 5
		198	rep stosd
1159	hidnplayr	199
1529	hidnplayr	200	@@:
2402	hidnplayr	201	pseudo_random eax
		202	cmp ax, MIN_EPHEMERAL_PORT
		203	jb @r
		204	cmp ax, MAX_EPHEMERAL_PORT
		205	ja @r
		206	mov [last_UDP_port], ax
1529	hidnplayr	207
		208	@@:
2402	hidnplayr	209	pseudo_random eax
		210	cmp ax, MIN_EPHEMERAL_PORT
		211	jb @r
		212	cmp ax, MAX_EPHEMERAL_PORT
		213	ja @r
		214	mov [last_TCP_port], ax
1529	hidnplayr	215
		216	}
		217
		218
1257	hidnplayr	219	;-----------------------------------------------------------------
1159	hidnplayr	220	;
		221	; Socket API (function 74)
		222	;
1257	hidnplayr	223	;-----------------------------------------------------------------
2301	hidnplayr	224	align 16
		225	sock_sysfn_table:
2402	hidnplayr	226	dd SOCKET_open ; 0
		227	dd SOCKET_close ; 1
		228	dd SOCKET_bind ; 2
		229	dd SOCKET_listen ; 3
		230	dd SOCKET_connect ; 4
		231	dd SOCKET_accept ; 5
		232	dd SOCKET_send ; 6
		233	dd SOCKET_receive ; 7
		234	dd SOCKET_set_opt ; 8
		235	dd SOCKET_get_opt ; 9
2301	hidnplayr	236
		237	SOCKET_SYSFUNCS = ($ - sock_sysfn_table)/4
		238
		239
1159	hidnplayr	240	align 4
		241	sys_socket:
2402	hidnplayr	242	cmp ebx, SOCKET_SYSFUNCS-1
		243	ja @f
		244	jmp dword [sock_sysfn_table + 4*ebx]
1529	hidnplayr	245	@@:
2402	hidnplayr	246	cmp ebx, 255
		247	jz SOCKET_debug
1159	hidnplayr	248
1529	hidnplayr	249	s_error:
2402	hidnplayr	250	DEBUGF 1,"socket error\n"
		251	mov dword [esp+32], -1
1529	hidnplayr	252
2402	hidnplayr	253	ret
1529	hidnplayr	254
1159	hidnplayr	255
2301	hidnplayr	256
1257	hidnplayr	257	;-----------------------------------------------------------------
1159	hidnplayr	258	;
		259	; SOCKET_open
		260	;
		261	; IN: domain in ecx
		262	; type in edx
1196	hidnplayr	263	; protocol in esi
1159	hidnplayr	264	; OUT: eax is socket num, -1 on error
		265	;
1257	hidnplayr	266	;-----------------------------------------------------------------
1206	hidnplayr	267	align 4
1514	hidnplayr	268	SOCKET_open:
1159	hidnplayr	269
2402	hidnplayr	270	DEBUGF 1,"SOCKET_open: domain: %u, type: %u protocol: %x\n", ecx, edx, esi
1159	hidnplayr	271
2402	hidnplayr	272	push ecx edx esi
		273	call SOCKET_alloc
		274	pop esi edx ecx
		275	jz s_error
1159	hidnplayr	276
2402	hidnplayr	277	mov [esp+32], edi ; return socketnumber
1542	hidnplayr	278
2402	hidnplayr	279	mov [eax + SOCKET.Domain], ecx
		280	mov [eax + SOCKET.Type], edx
		281	mov [eax + SOCKET.Protocol], esi
1159	hidnplayr	282
2402	hidnplayr	283	cmp ecx, AF_INET4
		284	jne .no_inet4
1529	hidnplayr	285
2402	hidnplayr	286	cmp edx, SOCK_DGRAM
		287	je .udp
1536	hidnplayr	288
2402	hidnplayr	289	cmp edx, SOCK_STREAM
		290	je .tcp
1529	hidnplayr	291
2402	hidnplayr	292	cmp edx, SOCK_RAW
		293	je .raw
1541	hidnplayr	294
1536	hidnplayr	295	.no_inet4:
2402	hidnplayr	296	ret
1536	hidnplayr	297
1542	hidnplayr	298	align 4
		299	.raw:
2402	hidnplayr	300	test esi, esi ; IP_PROTO_IP
		301	jz .ip
1529	hidnplayr	302
2402	hidnplayr	303	cmp esi, IP_PROTO_ICMP
		304	je .icmp
1529	hidnplayr	305
2402	hidnplayr	306	cmp esi, IP_PROTO_UDP
		307	je .udp
1533	hidnplayr	308
2402	hidnplayr	309	cmp esi, IP_PROTO_TCP
		310	je .tcp
1536	hidnplayr	311
2402	hidnplayr	312	ret
1159	hidnplayr	313
1542	hidnplayr	314	align 4
1536	hidnplayr	315	.udp:
2402	hidnplayr	316	mov [eax + SOCKET.Protocol], IP_PROTO_UDP
		317	mov [eax + SOCKET.snd_proc], SOCKET_send_udp
		318	mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
		319	ret
1529	hidnplayr	320
1542	hidnplayr	321	align 4
		322	.tcp:
2402	hidnplayr	323	mov [eax + SOCKET.Protocol], IP_PROTO_TCP
		324	mov [eax + SOCKET.snd_proc], SOCKET_send_tcp
		325	mov [eax + SOCKET.rcv_proc], SOCKET_receive_tcp
1838	hidnplayr	326
2402	hidnplayr	327	mov [eax + TCP_SOCKET.t_maxseg], 1480 ;;;;; FIXME
		328	ret
1529	hidnplayr	329
		330
1543	hidnplayr	331	align 4
		332	.ip:
2402	hidnplayr	333	mov [eax + SOCKET.snd_proc], SOCKET_send_ip
		334	mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
		335	ret
1541	hidnplayr	336
1542	hidnplayr	337
		338	align 4
1541	hidnplayr	339	.icmp:
2402	hidnplayr	340	mov [eax + SOCKET.snd_proc], SOCKET_send_icmp
		341	mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
		342	ret
1541	hidnplayr	343
		344
		345
1257	hidnplayr	346	;-----------------------------------------------------------------
1159	hidnplayr	347	;
		348	; SOCKET_bind
		349	;
		350	; IN: socket number in ecx
		351	; pointer to sockaddr struct in edx
		352	; length of that struct in esi
		353	; OUT: 0 on success
		354	;
1257	hidnplayr	355	;-----------------------------------------------------------------
1206	hidnplayr	356	align 4
1514	hidnplayr	357	SOCKET_bind:
1159	hidnplayr	358
2402	hidnplayr	359	DEBUGF 1,"socket_bind: socknum: %u sockaddr: %x, length: %u\n", ecx, edx, esi
1159	hidnplayr	360
2402	hidnplayr	361	call SOCKET_num_to_ptr
		362	jz s_error
1159	hidnplayr	363
2402	hidnplayr	364	cmp esi, 2
		365	jb s_error
1159	hidnplayr	366
2402	hidnplayr	367	cmp word [edx], AF_INET4
		368	je .af_inet4
1159	hidnplayr	369
2402	hidnplayr	370	cmp word [edx], AF_UNIX
		371	je .af_unix
1249	hidnplayr	372
2402	hidnplayr	373	jmp s_error
1249	hidnplayr	374
		375	.af_unix:
2402	hidnplayr	376	; TODO: write code here
1249	hidnplayr	377
2402	hidnplayr	378	mov dword [esp+32], 0
		379	ret
1249	hidnplayr	380
1159	hidnplayr	381	.af_inet4:
		382
2402	hidnplayr	383	DEBUGF 1,"af_inet4\n"
1514	hidnplayr	384
2402	hidnplayr	385	cmp esi, 6
		386	jb s_error
1159	hidnplayr	387
2402	hidnplayr	388	pushw [edx + 2]
		389	pop [eax + UDP_SOCKET.LocalPort]
1159	hidnplayr	390
2402	hidnplayr	391	pushd [edx + 4]
		392	pop [eax + IP_SOCKET.LocalIP]
1159	hidnplayr	393
2402	hidnplayr	394	DEBUGF 1,"local ip: %u.%u.%u.%u\n",\
		395	[eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\
		396	[eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1
1159	hidnplayr	397
2402	hidnplayr	398	mov dword [esp+32], 0
		399	ret
1159	hidnplayr	400
		401
		402
		403
1257	hidnplayr	404	;-----------------------------------------------------------------
1159	hidnplayr	405	;
		406	; SOCKET_connect
		407	;
		408	; IN: socket number in ecx
		409	; pointer to sockaddr struct in edx
		410	; length of that struct in esi
		411	; OUT: 0 on success
		412	;
1257	hidnplayr	413	;-----------------------------------------------------------------
1159	hidnplayr	414	align 4
1514	hidnplayr	415	SOCKET_connect:
1159	hidnplayr	416
2402	hidnplayr	417	DEBUGF 1,"SOCKET_connect: socknum: %u sockaddr: %x, length: %u\n", ecx, edx, esi
1159	hidnplayr	418
2402	hidnplayr	419	call SOCKET_num_to_ptr
		420	jz s_error
1159	hidnplayr	421
2402	hidnplayr	422	cmp esi, 8
		423	jb s_error
1159	hidnplayr	424
2402	hidnplayr	425	cmp word [edx], AF_INET4
		426	je .af_inet4
1159	hidnplayr	427
2402	hidnplayr	428	jmp s_error
1159	hidnplayr	429
		430	.af_inet4:
2402	hidnplayr	431	cmp [eax + IP_SOCKET.LocalIP], 0
		432	jne @f
		433	push [IP_LIST]
		434	pop [eax + IP_SOCKET.LocalIP]
1543	hidnplayr	435	@@:
1159	hidnplayr	436
2402	hidnplayr	437	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		438	je .udp
1159	hidnplayr	439
2402	hidnplayr	440	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		441	je .tcp
1159	hidnplayr	442
2402	hidnplayr	443	cmp [eax + SOCKET.Protocol], IP_PROTO_IP
		444	je .ip
1541	hidnplayr	445
2402	hidnplayr	446	cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP
		447	je .ip
1542	hidnplayr	448
2402	hidnplayr	449	jmp s_error
1159	hidnplayr	450
1542	hidnplayr	451	align 4
1254	hidnplayr	452	.udp:
2402	hidnplayr	453	pusha
		454	lea ecx, [eax + SOCKET.mutex]
		455	call mutex_lock
		456	popa
1543	hidnplayr	457
2402	hidnplayr	458	pushw [edx + 2]
		459	pop [eax + UDP_SOCKET.RemotePort]
1543	hidnplayr	460
2402	hidnplayr	461	pushd [edx + 4]
		462	pop [eax + IP_SOCKET.RemoteIP]
1543	hidnplayr	463
2402	hidnplayr	464	cmp [eax + UDP_SOCKET.LocalPort], 0
		465	jne @f
		466	call SOCKET_find_port
1543	hidnplayr	467	@@:
		468
2402	hidnplayr	469	mov [eax + UDP_SOCKET.firstpacket], 0
1159	hidnplayr	470
2402	hidnplayr	471	push eax
		472	init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
		473	pop eax
1159	hidnplayr	474
2402	hidnplayr	475	lea ecx, [eax + SOCKET.mutex]
		476	call mutex_unlock
1159	hidnplayr	477
2402	hidnplayr	478	mov dword [esp+32], 0
		479	ret
		480
1542	hidnplayr	481	align 4
1254	hidnplayr	482	.tcp:
2402	hidnplayr	483	pusha
		484	lea ecx, [eax + SOCKET.mutex]
		485	call mutex_lock
		486	popa
1159	hidnplayr	487
2402	hidnplayr	488	pushw [edx + 2]
		489	pop [eax + TCP_SOCKET.RemotePort]
1159	hidnplayr	490
2402	hidnplayr	491	pushd [edx + 4]
		492	pop [eax + IP_SOCKET.RemoteIP]
1159	hidnplayr	493
2402	hidnplayr	494	cmp [eax + TCP_SOCKET.LocalPort], 0
		495	jne @f
		496	call SOCKET_find_port
1543	hidnplayr	497	@@:
1159	hidnplayr	498
2402	hidnplayr	499	mov [eax + TCP_SOCKET.timer_persist], 0
		500	mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT
		501	push [TCP_sequence_num]
		502	add [TCP_sequence_num], 6400
		503	pop [eax + TCP_SOCKET.ISS]
		504	mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
1519	hidnplayr	505
2402	hidnplayr	506	TCP_sendseqinit eax
1529	hidnplayr	507
1543	hidnplayr	508	; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer
1533	hidnplayr	509
2402	hidnplayr	510	mov ebx, eax
1159	hidnplayr	511
2402	hidnplayr	512	lea eax, [ebx + STREAM_SOCKET.snd]
		513	call SOCKET_ring_create
1543	hidnplayr	514
2402	hidnplayr	515	lea eax, [ebx + STREAM_SOCKET.rcv]
		516	call SOCKET_ring_create
1543	hidnplayr	517
2402	hidnplayr	518	pusha
2403	hidnplayr	519	lea ecx, [eax + SOCKET.mutex]
2402	hidnplayr	520	call mutex_unlock
		521	popa
1733	hidnplayr	522
2402	hidnplayr	523	mov eax, ebx
		524	call TCP_output
1733	hidnplayr	525
2402	hidnplayr	526	mov dword [esp+32], 0
		527	ret
1159	hidnplayr	528
1542	hidnplayr	529	align 4
		530	.ip:
2402	hidnplayr	531	pusha
		532	lea ecx, [eax + SOCKET.mutex]
		533	call mutex_lock
		534	popa
1543	hidnplayr	535
2402	hidnplayr	536	pushd [edx + 4]
		537	pop [eax + IP_SOCKET.RemoteIP]
1159	hidnplayr	538
2402	hidnplayr	539	push eax
		540	init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
		541	pop eax
1543	hidnplayr	542
2402	hidnplayr	543	lea ecx, [eax + SOCKET.mutex]
		544	call mutex_unlock
1541	hidnplayr	545
2402	hidnplayr	546	mov dword [esp+32], 0
		547	ret
1541	hidnplayr	548
2402	hidnplayr	549
1257	hidnplayr	550	;-----------------------------------------------------------------
1159	hidnplayr	551	;
		552	; SOCKET_listen
		553	;
		554	; IN: socket number in ecx
		555	; backlog in edx
		556	; OUT: eax is socket num, -1 on error
		557	;
1257	hidnplayr	558	;-----------------------------------------------------------------
1206	hidnplayr	559	align 4
1514	hidnplayr	560	SOCKET_listen:
1159	hidnplayr	561
2402	hidnplayr	562	DEBUGF 1,"SOCKET_listen: socknum: %u backlog: %u\n", ecx, edx
1159	hidnplayr	563
2402	hidnplayr	564	call SOCKET_num_to_ptr
		565	jz s_error
1159	hidnplayr	566
2402	hidnplayr	567	cmp [eax + SOCKET.Domain], AF_INET4
		568	jne s_error
1254	hidnplayr	569
2402	hidnplayr	570	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		571	jne s_error
1254	hidnplayr	572
2402	hidnplayr	573	cmp [eax + TCP_SOCKET.LocalPort], 0
		574	je s_error
1514	hidnplayr	575
2402	hidnplayr	576	cmp [eax + IP_SOCKET.LocalIP], 0
		577	jne @f
		578	push [IP_LIST]
		579	pop [eax + IP_SOCKET.LocalIP]
1543	hidnplayr	580	@@:
		581
2402	hidnplayr	582	cmp edx, MAX_backlog
		583	jbe @f
		584	mov edx, MAX_backlog
1543	hidnplayr	585	@@:
1159	hidnplayr	586
2402	hidnplayr	587	mov [eax + SOCKET.backlog], dx
		588	or [eax + SOCKET.options], SO_ACCEPTCON
		589	mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN
1159	hidnplayr	590
2402	hidnplayr	591	push eax
		592	init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue
		593	pop eax
1543	hidnplayr	594
2402	hidnplayr	595	mov dword [esp+32], 0
1514	hidnplayr	596
2402	hidnplayr	597	ret
1159	hidnplayr	598
		599
1257	hidnplayr	600	;-----------------------------------------------------------------
1159	hidnplayr	601	;
		602	; SOCKET_accept
		603	;
		604	; IN: socket number in ecx
		605	; addr in edx
		606	; addrlen in esi
		607	; OUT: eax is socket num, -1 on error
		608	;
1257	hidnplayr	609	;-----------------------------------------------------------------
1206	hidnplayr	610	align 4
1514	hidnplayr	611	SOCKET_accept:
1159	hidnplayr	612
2402	hidnplayr	613	DEBUGF 1,"SOCKET_accept: socknum: %u sockaddr: %x, length: %u\n", ecx, edx, esi
1159	hidnplayr	614
2402	hidnplayr	615	call SOCKET_num_to_ptr
		616	jz s_error
1159	hidnplayr	617
2402	hidnplayr	618	test [eax + SOCKET.options], SO_ACCEPTCON
		619	jz s_error
1543	hidnplayr	620
2402	hidnplayr	621	cmp [eax + SOCKET.Domain], AF_INET4
		622	jne s_error
1249	hidnplayr	623
2402	hidnplayr	624	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		625	jne s_error
1249	hidnplayr	626
2402	hidnplayr	627	get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, s_error
1249	hidnplayr	628
2402	hidnplayr	629	mov eax, [esi]
		630	call SOCKET_ptr_to_num
		631	jz s_error
		632	mov [esp+32], eax
		633	ret
1514	hidnplayr	634
1159	hidnplayr	635
1257	hidnplayr	636	;-----------------------------------------------------------------
1159	hidnplayr	637	;
		638	; SOCKET_close
		639	;
		640	; IN: socket number in ecx
		641	; OUT: eax is socket num, -1 on error
		642	;
1257	hidnplayr	643	;-----------------------------------------------------------------
1206	hidnplayr	644	align 4
1514	hidnplayr	645	SOCKET_close:
1159	hidnplayr	646
2402	hidnplayr	647	DEBUGF 1,"SOCKET_close: socknum: %u\n", ecx
1159	hidnplayr	648
2402	hidnplayr	649	call SOCKET_num_to_ptr
		650	jz s_error
1159	hidnplayr	651
2402	hidnplayr	652	cmp [eax + SOCKET.Domain], AF_INET4
		653	jne s_error
1159	hidnplayr	654
2402	hidnplayr	655	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		656	je .free
1159	hidnplayr	657
2402	hidnplayr	658	cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP
		659	je .free
1159	hidnplayr	660
2402	hidnplayr	661	cmp [eax + SOCKET.Protocol], IP_PROTO_IP
		662	je .free
1542	hidnplayr	663
2402	hidnplayr	664	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		665	je .tcp
1159	hidnplayr	666
2402	hidnplayr	667	jmp s_error
1159	hidnplayr	668
		669	.tcp:
2402	hidnplayr	670	cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED
		671	jb .free
1318	hidnplayr	672
2402	hidnplayr	673	call TCP_output
		674	mov dword [esp+32], 0
1159	hidnplayr	675
2402	hidnplayr	676	ret
1159	hidnplayr	677
1514	hidnplayr	678	.free:
2402	hidnplayr	679	call SOCKET_free
		680	mov dword [esp+32], 0
1159	hidnplayr	681
2402	hidnplayr	682	ret
1159	hidnplayr	683
		684
1257	hidnplayr	685	;-----------------------------------------------------------------
1159	hidnplayr	686	;
		687	; SOCKET_receive
		688	;
		689	; IN: socket number in ecx
1249	hidnplayr	690	; addr to buffer in edx
		691	; length of buffer in esi
1159	hidnplayr	692	; flags in edi
		693	; OUT: eax is number of bytes copied, -1 on error
		694	;
1257	hidnplayr	695	;-----------------------------------------------------------------
1206	hidnplayr	696	align 4
1514	hidnplayr	697	SOCKET_receive:
1159	hidnplayr	698
2402	hidnplayr	699	DEBUGF 1,"SOCKET_receive: socknum: %u bufaddr: %x, buflength: %u, flags: %x, ", ecx, edx, esi, edi
1514	hidnplayr	700
2402	hidnplayr	701	call SOCKET_num_to_ptr
		702	jz s_error
1159	hidnplayr	703
2402	hidnplayr	704	jmp [eax + SOCKET.rcv_proc]
1533	hidnplayr	705
1536	hidnplayr	706
		707	align 4
1541	hidnplayr	708	SOCKET_receive_dgram:
1536	hidnplayr	709
2402	hidnplayr	710	DEBUGF 1,"SOCKET_receive: DGRAM\n"
1536	hidnplayr	711
2402	hidnplayr	712	mov ebx, esi
		713	mov edi, edx ; addr to buffer
1159	hidnplayr	714
2402	hidnplayr	715	get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, s_error ; destroys esi and ecx
1536	hidnplayr	716
2402	hidnplayr	717	mov ecx, [esi + socket_queue_entry.data_size]
		718	DEBUGF 1,"Got %u bytes of data\n", ecx
1159	hidnplayr	719
2402	hidnplayr	720	cmp ecx, ebx
		721	ja .too_small
1514	hidnplayr	722
2402	hidnplayr	723	push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later
		724	mov esi, [esi + socket_queue_entry.data_ptr]
		725	DEBUGF 1,"Source buffer: %x, real addr: %x\n", [esp], esi
		726	mov [esp+32+4], ecx ; return number of bytes copied
1159	hidnplayr	727
1514	hidnplayr	728	; copy the data
2402	hidnplayr	729	shr ecx, 1
		730	jnc .nb
		731	movsb
1536	hidnplayr	732	.nb:
2402	hidnplayr	733	shr ecx, 1
		734	jnc .nw
		735	movsw
1536	hidnplayr	736	.nw:
2402	hidnplayr	737	test ecx, ecx
		738	jz .nd
		739	rep movsd
1536	hidnplayr	740	.nd:
1159	hidnplayr	741
2402	hidnplayr	742	call kernel_free ; remove the packet
		743	ret
1514	hidnplayr	744
1536	hidnplayr	745	.too_small:
1533	hidnplayr	746
2402	hidnplayr	747	DEBUGF 1,"Buffer too small...\n"
		748	jmp s_error
1536	hidnplayr	749
		750	align 4
		751	SOCKET_receive_tcp:
		752
2402	hidnplayr	753	DEBUGF 1,"SOCKET_receive: TCP\n"
1536	hidnplayr	754
2402	hidnplayr	755	mov ecx, esi
		756	mov edi, edx
		757	add eax, STREAM_SOCKET.rcv
		758	call SOCKET_ring_read
		759	call SOCKET_ring_free
1533	hidnplayr	760
2402	hidnplayr	761	mov [esp+32], ecx ; return number of bytes copied
1533	hidnplayr	762
2402	hidnplayr	763	ret
1159	hidnplayr	764
		765
1257	hidnplayr	766	;-----------------------------------------------------------------
1159	hidnplayr	767	;
		768	; SOCKET_send
		769	;
		770	;
		771	; IN: socket number in ecx
1206	hidnplayr	772	; pointer to data in edx
		773	; datalength in esi
1159	hidnplayr	774	; flags in edi
		775	; OUT: -1 on error
		776	;
1257	hidnplayr	777	;-----------------------------------------------------------------
1206	hidnplayr	778	align 4
1514	hidnplayr	779	SOCKET_send:
1159	hidnplayr	780
2402	hidnplayr	781	DEBUGF 1,"SOCKET_send: socknum: %u data ptr: %x, length: %u, flags: %x, ", ecx, edx, esi, edi
1159	hidnplayr	782
2402	hidnplayr	783	call SOCKET_num_to_ptr
		784	jz s_error
1159	hidnplayr	785
2402	hidnplayr	786	mov ecx, esi
		787	mov esi, edx
1763	hidnplayr	788
2402	hidnplayr	789	jmp [eax + SOCKET.snd_proc]
1206	hidnplayr	790
		791
1536	hidnplayr	792	align 4
		793	SOCKET_send_udp:
1529	hidnplayr	794
2402	hidnplayr	795	DEBUGF 1,"SOCKET_send: UDP\n"
1159	hidnplayr	796
2402	hidnplayr	797	call UDP_output
1159	hidnplayr	798
2402	hidnplayr	799	mov [esp+32], eax
		800	ret
1159	hidnplayr	801
		802
1536	hidnplayr	803	align 4
		804	SOCKET_send_tcp:
1254	hidnplayr	805
2402	hidnplayr	806	DEBUGF 1,"SOCKET_send: TCP\n"
1254	hidnplayr	807
2402	hidnplayr	808	push eax
		809	add eax, STREAM_SOCKET.snd
		810	call SOCKET_ring_write
		811	pop eax
1536	hidnplayr	812
2402	hidnplayr	813	call TCP_output
1254	hidnplayr	814
2402	hidnplayr	815	mov [esp+32], eax
		816	ret
1159	hidnplayr	817
1249	hidnplayr	818
1543	hidnplayr	819	align 4
		820	SOCKET_send_ip:
1249	hidnplayr	821
2402	hidnplayr	822	DEBUGF 1,"type: IP\n"
1543	hidnplayr	823
2402	hidnplayr	824	call IPv4_output_raw
1543	hidnplayr	825
2402	hidnplayr	826	mov [esp+32], eax
		827	ret
1543	hidnplayr	828
1541	hidnplayr	829	align 4
		830	SOCKET_send_icmp:
1249	hidnplayr	831
2402	hidnplayr	832	DEBUGF 1,"SOCKET_send: ICMP\n"
1541	hidnplayr	833
2402	hidnplayr	834	call ICMP_output_raw
1541	hidnplayr	835
2402	hidnplayr	836	mov [esp+32], eax
		837	ret
1541	hidnplayr	838
		839
		840
		841
1257	hidnplayr	842	;-----------------------------------------------------------------
1256	clevermous	843	;
1257	hidnplayr	844	; SOCKET_get_options
1256	clevermous	845	;
1514	hidnplayr	846	; IN: ecx = socket number
		847	; edx = pointer to the options:
1257	hidnplayr	848	; dd level, optname, optval, optlen
1256	clevermous	849	; OUT: -1 on error
		850	;
		851	; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP.
		852	; TODO: find best way to notify that send()'ed data were acknowledged
1831	hidnplayr	853	; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*.
1256	clevermous	854	;
1257	hidnplayr	855	;-----------------------------------------------------------------
		856	align 4
1514	hidnplayr	857	SOCKET_get_opt:
1257	hidnplayr	858
2402	hidnplayr	859	DEBUGF 1,"SOCKET_get_opt\n"
1514	hidnplayr	860
2402	hidnplayr	861	call SOCKET_num_to_ptr
		862	jz s_error
1514	hidnplayr	863
2402	hidnplayr	864	cmp dword [edx], IP_PROTO_TCP
		865	jne s_error
		866	cmp dword [edx+4], -2
		867	je @f
		868	cmp dword [edx+4], -3
		869	jne s_error
1299	clevermous	870	@@:
1514	hidnplayr	871	; mov eax, [edx+12]
		872	; test eax, eax
		873	; jz .fail
		874	; cmp dword [eax], 4
		875	; mov dword [eax], 4
		876	; jb .fail
		877	; stdcall net_socket_num_to_addr, ecx
		878	; test eax, eax
		879	; jz .fail
		880	; ; todo: check that eax is really TCP socket
		881	; mov ecx, [eax + TCP_SOCKET.last_ack_number]
		882	; cmp dword [edx+4], -2
		883	; jz @f
		884	; mov ecx, [eax + TCP_SOCKET.state]
1299	clevermous	885	@@:
2402	hidnplayr	886	mov eax, [edx+8]
		887	test eax, eax
		888	jz @f
		889	mov [eax], ecx
1256	clevermous	890	@@:
2402	hidnplayr	891	mov dword [esp+32], 0
		892	ret
1159	hidnplayr	893
		894
1529	hidnplayr	895
1542	hidnplayr	896
		897	align 4
		898	SOCKET_set_opt:
		899
2402	hidnplayr	900	ret
1542	hidnplayr	901
		902
		903
1257	hidnplayr	904	;-----------------------------------------------------------------
1206	hidnplayr	905	;
1529	hidnplayr	906	; SOCKET_debug
		907	;
		908	; Copies socket variables to application buffer
		909	;
		910	; IN: ecx = socket number
		911	; edx = pointer to buffer
		912	;
		913	; OUT: -1 on error
		914	;-----------------------------------------------------------------
		915	align 4
		916	SOCKET_debug:
		917
2402	hidnplayr	918	DEBUGF 1,"socket_debug\n"
1529	hidnplayr	919
2402	hidnplayr	920	call SOCKET_num_to_ptr
		921	jz s_error
1529	hidnplayr	922
2402	hidnplayr	923	mov esi, eax
		924	mov edi, edx
		925	mov ecx, SOCKETBUFFSIZE/4
		926	rep movsd
1529	hidnplayr	927
2402	hidnplayr	928	mov dword [esp+32], 0
		929	ret
1529	hidnplayr	930
		931
		932	;-----------------------------------------------------------------
		933	;
1514	hidnplayr	934	; SOCKET_find_port
1206	hidnplayr	935	;
1514	hidnplayr	936	; Fills in the local port number for TCP and UDP sockets
		937	; This procedure always works because the number of sockets is
		938	; limited to a smaller number then the number of possible ports
1206	hidnplayr	939	;
1514	hidnplayr	940	; IN: eax = socket pointer
		941	; OUT: /
1206	hidnplayr	942	;
1257	hidnplayr	943	;-----------------------------------------------------------------
1206	hidnplayr	944	align 4
1514	hidnplayr	945	SOCKET_find_port:
1159	hidnplayr	946
2402	hidnplayr	947	DEBUGF 1,"SOCKET_find_port\n"
1159	hidnplayr	948
2402	hidnplayr	949	push ebx esi ecx
1514	hidnplayr	950
2402	hidnplayr	951	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		952	je .udp
1159	hidnplayr	953
2402	hidnplayr	954	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		955	je .tcp
1159	hidnplayr	956
2402	hidnplayr	957	jmp .error
1514	hidnplayr	958
		959	.done:
2402	hidnplayr	960	mov [eax + UDP_SOCKET.LocalPort], bx
1514	hidnplayr	961	.error:
2402	hidnplayr	962	pop ecx esi ebx
		963	ret
1514	hidnplayr	964
1206	hidnplayr	965	.udp:
2402	hidnplayr	966	mov bx, [last_UDP_port]
		967	call .findit
		968	mov [last_UDP_port], bx
		969	jmp .done
1206	hidnplayr	970
		971	.tcp:
2402	hidnplayr	972	mov bx, [last_TCP_port]
		973	call .findit
		974	mov [last_TCP_port], bx
		975	jmp .done
1206	hidnplayr	976
		977
1514	hidnplayr	978	.restart:
2402	hidnplayr	979	mov bx, MIN_EPHEMERAL_PORT
1514	hidnplayr	980	.findit:
2402	hidnplayr	981	inc bx
1206	hidnplayr	982
2402	hidnplayr	983	cmp bx, MAX_EPHEMERAL_PORT
		984	jz .restart
1206	hidnplayr	985
2402	hidnplayr	986	call SOCKET_check_port
		987	jz .findit
1206	hidnplayr	988
2402	hidnplayr	989	ret
1206	hidnplayr	990
1257	hidnplayr	991
		992
		993	;-----------------------------------------------------------------
1206	hidnplayr	994	;
1542	hidnplayr	995	; SOCKET_check_port (to be used with AF_INET only!)
1206	hidnplayr	996	;
1514	hidnplayr	997	; Checks if a local port number is unused
		998	; If the proposed port number is unused, it is filled in in the socket structure
1206	hidnplayr	999	;
1514	hidnplayr	1000	; IN: eax = socket ptr (to find out if its a TCP/UDP socket)
		1001	; bx = proposed socket number
1206	hidnplayr	1002	;
1514	hidnplayr	1003	; OUT: ZF = cleared on error
		1004	;
1257	hidnplayr	1005	;-----------------------------------------------------------------
1206	hidnplayr	1006	align 4
1514	hidnplayr	1007	SOCKET_check_port:
		1008
2402	hidnplayr	1009	DEBUGF 1,"SOCKET_check_port\n"
1514	hidnplayr	1010
2402	hidnplayr	1011	mov ecx, [eax + SOCKET.Protocol]
		1012	mov esi, net_sockets
1206	hidnplayr	1013
		1014	.next_socket:
2402	hidnplayr	1015	mov esi, [esi + SOCKET.NextPtr]
		1016	or esi, esi
		1017	jz .port_ok
1206	hidnplayr	1018
2402	hidnplayr	1019	cmp [esi + SOCKET.Protocol], ecx
		1020	jne .next_socket
1206	hidnplayr	1021
2402	hidnplayr	1022	cmp [esi + UDP_SOCKET.LocalPort], bx
		1023	jne .next_socket
1206	hidnplayr	1024
2402	hidnplayr	1025	DEBUGF 1,"local port %u already in use\n", bx
		1026	ret
1206	hidnplayr	1027
		1028	.port_ok:
2402	hidnplayr	1029	mov [eax + UDP_SOCKET.LocalPort], bx
		1030	or bx, bx ; set the zero-flag
1514	hidnplayr	1031
2402	hidnplayr	1032	ret
1206	hidnplayr	1033
		1034
1257	hidnplayr	1035
		1036	;-----------------------------------------------------------------
1206	hidnplayr	1037	;
1514	hidnplayr	1038	; SOCKET_input
1206	hidnplayr	1039	;
1536	hidnplayr	1040	; Updates a (stateless) socket with received data
1206	hidnplayr	1041	;
1514	hidnplayr	1042	; Note: the mutex should already be set !
1206	hidnplayr	1043	;
1249	hidnplayr	1044	; IN: eax = socket ptr
1514	hidnplayr	1045	; ebx = pointer to device struct
		1046	; ecx = data size
		1047	; esi = ptr to data
		1048	; [esp] = ptr to buf
		1049	; [esp + 4] = buf size
1249	hidnplayr	1050	;
1514	hidnplayr	1051	; OUT: /
1206	hidnplayr	1052	;
1257	hidnplayr	1053	;-----------------------------------------------------------------
1206	hidnplayr	1054	align 4
1514	hidnplayr	1055	SOCKET_input:
1206	hidnplayr	1056
2402	hidnplayr	1057	DEBUGF 1,"SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx
1206	hidnplayr	1058
2402	hidnplayr	1059	mov [esp+4], ecx
		1060	push esi
		1061	mov esi, esp
1514	hidnplayr	1062
2402	hidnplayr	1063	add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full
1514	hidnplayr	1064
2402	hidnplayr	1065	DEBUGF 1,"SOCKET_input: queued packet successfully\n"
		1066	add esp, sizeof.socket_queue_entry
1206	hidnplayr	1067
2402	hidnplayr	1068	pusha
		1069	lea ecx, [eax + SOCKET.mutex]
		1070	call mutex_unlock
		1071	popa
		1072
		1073	jmp SOCKET_notify_owner
		1074
1514	hidnplayr	1075	.full:
2402	hidnplayr	1076	DEBUGF 2,"SOCKET_input: socket %x is full!\n", eax
1206	hidnplayr	1077
2402	hidnplayr	1078	pusha
		1079	lea ecx, [eax + SOCKET.mutex]
		1080	call mutex_unlock
		1081	popa
1514	hidnplayr	1082
2402	hidnplayr	1083	call kernel_free
		1084	add esp, 8
1533	hidnplayr	1085
2402	hidnplayr	1086	ret
		1087
		1088
1533	hidnplayr	1089	;--------------------------
		1090	;
		1091	; eax = ptr to ring struct (just a buffer of the right size)
		1092	;
		1093	align 4
		1094	SOCKET_ring_create:
		1095
2402	hidnplayr	1096	push esi
		1097	mov esi, eax
1543	hidnplayr	1098
2402	hidnplayr	1099	push edx
		1100	stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW
		1101	pop edx
1533	hidnplayr	1102
2402	hidnplayr	1103	DEBUGF 1,"SOCKET_ring_created: %x\n", eax
		1104	mov [esi + RING_BUFFER.start_ptr], eax
		1105	mov [esi + RING_BUFFER.write_ptr], eax
		1106	mov [esi + RING_BUFFER.read_ptr], eax
		1107	mov [esi + RING_BUFFER.size], 0
		1108	add eax, SOCKET_MAXDATA
		1109	mov [esi + RING_BUFFER.end_ptr], eax
		1110	mov eax, esi
		1111	pop esi
1533	hidnplayr	1112
2402	hidnplayr	1113	ret
1533	hidnplayr	1114
1514	hidnplayr	1115	;-----------------------------------------------------------------
		1116	;
1533	hidnplayr	1117	; SOCKET_ring_write
1529	hidnplayr	1118	;
1533	hidnplayr	1119	; Adds data to a stream socket, and updates write pointer and size
1529	hidnplayr	1120	;
		1121	; IN: eax = ptr to ring struct
		1122	; ecx = data size
		1123	; esi = ptr to data
		1124	;
1533	hidnplayr	1125	; OUT: ecx = number of bytes stored
1529	hidnplayr	1126	;
		1127	;-----------------------------------------------------------------
		1128	align 4
1533	hidnplayr	1129	SOCKET_ring_write:
1529	hidnplayr	1130
2402	hidnplayr	1131	DEBUGF 1,"SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx
1529	hidnplayr	1132
2402	hidnplayr	1133	add [eax + RING_BUFFER.size], ecx
		1134	cmp [eax + RING_BUFFER.size], SOCKET_MAXDATA
		1135	ja .too_large
1529	hidnplayr	1136
		1137	.copy:
2402	hidnplayr	1138	mov edi, [eax + RING_BUFFER.write_ptr]
		1139	DEBUGF 2,"SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi
1529	hidnplayr	1140
2402	hidnplayr	1141	push ecx
		1142	shr ecx, 1
		1143	jnc .nb
		1144	movsb
1536	hidnplayr	1145	.nb:
2402	hidnplayr	1146	shr ecx, 1
		1147	jnc .nw
		1148	movsw
1536	hidnplayr	1149	.nw:
2402	hidnplayr	1150	test ecx, ecx
		1151	jz .nd
		1152	rep movsd
1536	hidnplayr	1153	.nd:
2402	hidnplayr	1154	pop ecx
1529	hidnplayr	1155
2402	hidnplayr	1156	cmp edi, [eax + RING_BUFFER.end_ptr]
		1157	jae .wrap
		1158	mov [eax + RING_BUFFER.write_ptr], edi
1533	hidnplayr	1159
2402	hidnplayr	1160	ret
1529	hidnplayr	1161
1533	hidnplayr	1162	.wrap:
2402	hidnplayr	1163	sub edi, SOCKET_MAXDATA
		1164	mov [eax + RING_BUFFER.write_ptr], edi
1533	hidnplayr	1165
2402	hidnplayr	1166	ret
1533	hidnplayr	1167
2404	hidnplayr	1168	.too_large: ; update size, we will fill buffer completely
		1169	sub [eax + RING_BUFFER.size], SOCKET_MAXDATA
2402	hidnplayr	1170	sub ecx, [eax + RING_BUFFER.size]
2404	hidnplayr	1171	mov [eax + RING_BUFFER.size], SOCKET_MAXDATA
1529	hidnplayr	1172
2404	hidnplayr	1173	test ecx, ecx
		1174	jnz .copy
1529	hidnplayr	1175
2402	hidnplayr	1176	DEBUGF 2,"SOCKET_ring_write: ring buffer is full!\n"
		1177	xor ecx, ecx
		1178	ret
1529	hidnplayr	1179
		1180
		1181	;-----------------------------------------------------------------
		1182	;
		1183	; SOCKET_ring_read
		1184	;
1533	hidnplayr	1185	; reads the data, BUT DOES NOT CLEAR IT FROM MEMORY YET
1529	hidnplayr	1186	;
		1187	; IN: eax = ptr to ring struct
		1188	; ecx = buffer size
		1189	; edi = ptr to buffer
		1190	;
1533	hidnplayr	1191	; OUT: ecx = number of bytes read
1529	hidnplayr	1192	;
		1193	;-----------------------------------------------------------------
		1194	align 4
		1195	SOCKET_ring_read:
		1196
2402	hidnplayr	1197	DEBUGF 1,"SOCKET_ring_read: ringbuff=%x ptr=%x size=%u\n", eax, edi, ecx
1529	hidnplayr	1198
2402	hidnplayr	1199	cmp ecx, [eax + RING_BUFFER.size]
		1200	ja .less_data
1529	hidnplayr	1201
		1202	.copy:
2402	hidnplayr	1203	mov esi, [eax + RING_BUFFER.read_ptr]
1529	hidnplayr	1204
2402	hidnplayr	1205	DEBUGF 2,"SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi
		1206	push ecx
		1207	shr ecx, 1
		1208	jnc .nb
		1209	movsb
1536	hidnplayr	1210	.nb:
2402	hidnplayr	1211	shr ecx, 1
		1212	jnc .nw
		1213	movsw
1536	hidnplayr	1214	.nw:
2402	hidnplayr	1215	test ecx, ecx
		1216	jz .nd
		1217	rep movsd
1536	hidnplayr	1218	.nd:
2402	hidnplayr	1219	pop ecx
1529	hidnplayr	1220
1830	hidnplayr	1221	.no_data_at_all:
2402	hidnplayr	1222	ret
1529	hidnplayr	1223
1533	hidnplayr	1224	.less_data:
2402	hidnplayr	1225	mov ecx, [eax + RING_BUFFER.size]
1830	hidnplayr	1226	; test ecx, ecx
1533	hidnplayr	1227	; jz .no_data_at_all
2402	hidnplayr	1228	jmp .copy
1529	hidnplayr	1229
		1230
		1231	;-----------------------------------------------------------------
		1232	;
		1233	; SOCKET_ring_free
		1234	;
		1235	; Free's some bytes from the ringbuffer
		1236	;
		1237	; IN: eax = ptr to ring struct
		1238	; ecx = data size
		1239	;
		1240	; OUT: ecx = number of bytes free-ed
		1241	;
		1242	;-----------------------------------------------------------------
		1243	align 4
		1244	SOCKET_ring_free:
		1245
2402	hidnplayr	1246	DEBUGF 1,"SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax
1529	hidnplayr	1247
2402	hidnplayr	1248	sub [eax + RING_BUFFER.size], ecx
		1249	jb .sumthinwong
		1250	add [eax + RING_BUFFER.read_ptr], ecx
1529	hidnplayr	1251
2402	hidnplayr	1252	mov edx, [eax + RING_BUFFER.end_ptr]
		1253	cmp [eax + RING_BUFFER.read_ptr], edx
		1254	jb @f
		1255	sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA
1529	hidnplayr	1256	@@:
2402	hidnplayr	1257	ret
1529	hidnplayr	1258
2402	hidnplayr	1259	.sumthinwong: ; we could free all available bytes, but that would be stupid, i guess..
		1260	add [eax + RING_BUFFER.size], ecx
		1261	xor ecx, ecx
		1262	ret
1529	hidnplayr	1263
		1264
		1265	;-----------------------------------------------------------------
		1266	;
1514	hidnplayr	1267	; SOCKET_notify_owner
		1268	;
		1269	; notify's the owner of a socket that something happened
		1270	;
		1271	; IN: eax = socket ptr
		1272	; OUT: /
		1273	;
		1274	;-----------------------------------------------------------------
		1275	align 4
		1276	SOCKET_notify_owner:
		1277
2402	hidnplayr	1278	DEBUGF 1,"SOCKET_notify_owner: %x\n", eax
1514	hidnplayr	1279
2402	hidnplayr	1280	call SOCKET_check
		1281	jz .error
1514	hidnplayr	1282
2402	hidnplayr	1283	push eax ecx esi
1514	hidnplayr	1284
		1285	; socket exists, now try to flag an event to the application
		1286
2402	hidnplayr	1287	mov eax, [eax + SOCKET.PID]
		1288	mov ecx, 1
		1289	mov esi, TASK_DATA + TASKDATA.pid
1206	hidnplayr	1290
		1291	.next_pid:
2402	hidnplayr	1292	cmp [esi], eax
		1293	je .found_pid
		1294	inc ecx
		1295	add esi, 0x20
		1296	cmp ecx, [TASK_COUNT]
		1297	jbe .next_pid
1206	hidnplayr	1298
1514	hidnplayr	1299	; PID not found, TODO: close socket!
		1300
2402	hidnplayr	1301	jmp .error2
1514	hidnplayr	1302
1206	hidnplayr	1303	.found_pid:
2402	hidnplayr	1304	shl ecx, 8
		1305	or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK
		1306	mov [check_idle_semaphore], 200
1206	hidnplayr	1307
2402	hidnplayr	1308	DEBUGF 1,"SOCKET_notify_owner: succes!\n"
1514	hidnplayr	1309
		1310	.error2:
2402	hidnplayr	1311	pop esi ecx eax
1536	hidnplayr	1312
1514	hidnplayr	1313	.error:
		1314
2402	hidnplayr	1315	ret
1206	hidnplayr	1316
		1317
1514	hidnplayr	1318	;--------------------------------------------------------------------
		1319	;
		1320	; SOCKET_alloc
		1321	;
1159	hidnplayr	1322	; Allocate memory for socket data and put new socket into the list
		1323	; Newly created socket is initialized with calling PID and number and
		1324	; put into beginning of list (which is a fastest way).
		1325	;
1514	hidnplayr	1326	; IN: /
		1327	; OUT: eax = 0 on error, socket ptr otherwise
		1328	; edi = socket number
		1329	; ZF = cleared on error
1159	hidnplayr	1330	;
1514	hidnplayr	1331	;--------------------------------------------------------------------
		1332	align 4
		1333	SOCKET_alloc:
		1334
2402	hidnplayr	1335	push ebx
1514	hidnplayr	1336
2402	hidnplayr	1337	stdcall kernel_alloc, SOCKETBUFFSIZE
		1338	DEBUGF 1, "SOCKET_alloc: ptr=%x\n", eax
		1339	or eax, eax
		1340	jz .exit
1159	hidnplayr	1341
1514	hidnplayr	1342	; zero-initialize allocated memory
2402	hidnplayr	1343	push eax
		1344	mov edi, eax
		1345	mov ecx, SOCKETBUFFSIZE / 4
		1346	xor eax, eax
		1347	rep stosd
		1348	pop eax
1159	hidnplayr	1349
1536	hidnplayr	1350	; set send-and receive procedures to return -1
2402	hidnplayr	1351	mov [eax + SOCKET.snd_proc], s_error
		1352	mov [eax + SOCKET.rcv_proc], s_error
1536	hidnplayr	1353
1514	hidnplayr	1354	; find first free socket number and use it
2402	hidnplayr	1355	mov edi, [last_socket_num]
1159	hidnplayr	1356	.next_socket_number:
2402	hidnplayr	1357	inc edi
		1358	jz .next_socket_number ; avoid socket nr 0
		1359	cmp edi, -1
		1360	je .next_socket_number ; avoid socket nr -1
		1361	mov ebx, net_sockets
1159	hidnplayr	1362	.next_socket:
2402	hidnplayr	1363	mov ebx, [ebx + SOCKET.NextPtr]
		1364	test ebx, ebx
		1365	jz .last_socket
1536	hidnplayr	1366
2402	hidnplayr	1367	cmp [ebx + SOCKET.Number], edi
		1368	jne .next_socket
		1369	jmp .next_socket_number
1159	hidnplayr	1370
1514	hidnplayr	1371	.last_socket:
2402	hidnplayr	1372	mov [last_socket_num], edi
		1373	mov [eax + SOCKET.Number], edi
		1374	DEBUGF 1, "SOCKET_alloc: number=%u\n", edi
1159	hidnplayr	1375
1514	hidnplayr	1376	; Fill in PID
2402	hidnplayr	1377	mov ebx, [TASK_BASE]
		1378	mov ebx, [ebx + TASKDATA.pid]
		1379	mov [eax + SOCKET.PID], ebx
1514	hidnplayr	1380
2403	hidnplayr	1381	; init mutex
		1382	pusha
		1383	lea ecx, [eax + SOCKET.mutex]
		1384	call mutex_init
		1385	popa
		1386
1529	hidnplayr	1387	; add socket to the list by re-arranging some pointers
2402	hidnplayr	1388	mov ebx, [net_sockets + SOCKET.NextPtr]
1514	hidnplayr	1389
2402	hidnplayr	1390	mov [eax + SOCKET.PrevPtr], net_sockets
		1391	mov [eax + SOCKET.NextPtr], ebx
1514	hidnplayr	1392
2402	hidnplayr	1393	test ebx, ebx
		1394	jz @f
		1395
		1396	pusha
		1397	lea ecx, [ebx + SOCKET.mutex]
		1398	call mutex_lock
		1399	popa
		1400
		1401	mov [ebx + SOCKET.PrevPtr], eax
		1402
		1403	pusha
		1404	lea ecx, [ebx + SOCKET.mutex]
		1405	call mutex_unlock
		1406	popa
1514	hidnplayr	1407	@@:
		1408
2402	hidnplayr	1409	mov [net_sockets + SOCKET.NextPtr], eax
		1410	or eax, eax ; used to clear zero flag
1159	hidnplayr	1411	.exit:
2402	hidnplayr	1412	pop ebx
1514	hidnplayr	1413
2402	hidnplayr	1414	ret
1159	hidnplayr	1415
1514	hidnplayr	1416
		1417	;----------------------------------------------------
1159	hidnplayr	1418	;
1514	hidnplayr	1419	; SOCKET_free
1159	hidnplayr	1420	;
1514	hidnplayr	1421	; Free socket data memory and remove socket from the list
		1422	;
		1423	; IN: eax = socket ptr
		1424	; OUT: /
		1425	;
		1426	;----------------------------------------------------
		1427	align 4
		1428	SOCKET_free:
1159	hidnplayr	1429
2402	hidnplayr	1430	DEBUGF 1, "SOCKET_free: %x\n", eax
1514	hidnplayr	1431
2402	hidnplayr	1432	call SOCKET_check
		1433	jz .error
1159	hidnplayr	1434
2402	hidnplayr	1435	push ebx
1514	hidnplayr	1436
2402	hidnplayr	1437	pusha
		1438	lea ecx, [eax + SOCKET.mutex]
		1439	call mutex_lock
		1440	popa
1514	hidnplayr	1441
2402	hidnplayr	1442	DEBUGF 1, "SOCKET_free: freeing socket..\n"
1529	hidnplayr	1443
2402	hidnplayr	1444	cmp [eax + SOCKET.Domain], AF_INET4
		1445	jnz .no_tcp
1529	hidnplayr	1446
2402	hidnplayr	1447	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		1448	jnz .no_tcp
		1449
		1450	mov ebx, eax
		1451	stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr]
		1452	stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr]
		1453	mov eax, ebx
1536	hidnplayr	1454	.no_tcp:
1529	hidnplayr	1455
2402	hidnplayr	1456	push eax ; this will be passed to kernel_free
		1457	mov ebx, [eax + SOCKET.NextPtr]
		1458	mov eax, [eax + SOCKET.PrevPtr]
1514	hidnplayr	1459
2402	hidnplayr	1460	DEBUGF 1, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx
1514	hidnplayr	1461
2402	hidnplayr	1462	test eax, eax
		1463	jz @f
		1464	mov [eax + SOCKET.NextPtr], ebx
1514	hidnplayr	1465	@@:
1159	hidnplayr	1466
2402	hidnplayr	1467	test ebx, ebx
		1468	jz @f
		1469	mov [ebx + SOCKET.PrevPtr], eax
1514	hidnplayr	1470	@@:
1249	hidnplayr	1471
2402	hidnplayr	1472	call kernel_free
		1473	pop ebx
1159	hidnplayr	1474
2402	hidnplayr	1475	DEBUGF 1, "SOCKET_free: success!\n"
1514	hidnplayr	1476
1159	hidnplayr	1477	.error:
2402	hidnplayr	1478	ret
1159	hidnplayr	1479
1543	hidnplayr	1480	;------------------------------------
		1481	;
		1482	; SOCKET_fork
		1483	;
		1484	; Create a child socket
		1485	;
1533	hidnplayr	1486	; IN: socket nr in ebx
1543	hidnplayr	1487	; OUT: child socket nr in eax
		1488	;
		1489	;-----------------------------------
1529	hidnplayr	1490	align 4
		1491	SOCKET_fork:
		1492
2402	hidnplayr	1493	DEBUGF 1,"SOCKET_fork: %x\n", ebx
1529	hidnplayr	1494
1543	hidnplayr	1495	; Exit if backlog queue is full
2402	hidnplayr	1496	mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size]
		1497	cmp ax, [ebx + SOCKET.backlog]
		1498	jae .fail
1543	hidnplayr	1499
1529	hidnplayr	1500	; Allocate new socket
2402	hidnplayr	1501	push ebx
		1502	call SOCKET_alloc
		1503	pop ebx
		1504	jz .fail
1529	hidnplayr	1505
2402	hidnplayr	1506	push eax
		1507	mov esi, esp
		1508	add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2
		1509	pop eax
1543	hidnplayr	1510
		1511	; Copy structure from current socket to new
		1512	; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket
2402	hidnplayr	1513	lea esi, [ebx + SOCKET.PID]
		1514	lea edi, [eax + SOCKET.PID]
		1515	mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4
		1516	rep movsd
1529	hidnplayr	1517
2402	hidnplayr	1518	and [eax + SOCKET.options], not SO_ACCEPTCON
1529	hidnplayr	1519
2402	hidnplayr	1520	ret
1529	hidnplayr	1521
1543	hidnplayr	1522	.fail2:
2402	hidnplayr	1523	add esp, 4+4+4
1543	hidnplayr	1524	.fail:
2402	hidnplayr	1525	DEBUGF 1,"SOCKET_fork: failed\n"
		1526	xor eax, eax
		1527	ret
1529	hidnplayr	1528
1543	hidnplayr	1529
1514	hidnplayr	1530	;---------------------------------------------------
		1531	;
		1532	; SOCKET_num_to_ptr
		1533	;
1159	hidnplayr	1534	; Get socket structure address by its number
		1535	;
1514	hidnplayr	1536	; IN: ecx = socket number
1533	hidnplayr	1537	; OUT: eax = 0 on error, socket ptr otherwise
1514	hidnplayr	1538	; ZF = set on error
1159	hidnplayr	1539	;
1514	hidnplayr	1540	;---------------------------------------------------
		1541	align 4
		1542	SOCKET_num_to_ptr:
1159	hidnplayr	1543
2402	hidnplayr	1544	DEBUGF 1,"SOCKET_num_to_ptr: %u ", ecx
1514	hidnplayr	1545
2402	hidnplayr	1546	mov eax, net_sockets
1514	hidnplayr	1547
1159	hidnplayr	1548	.next_socket:
2402	hidnplayr	1549	mov eax, [eax + SOCKET.NextPtr]
		1550	or eax, eax
		1551	jz .error
		1552	cmp [eax + SOCKET.Number], ecx
		1553	jne .next_socket
1159	hidnplayr	1554
2402	hidnplayr	1555	test eax, eax
1159	hidnplayr	1556
2402	hidnplayr	1557	DEBUGF 1,"(%x)\n", eax
1159	hidnplayr	1558	.error:
2402	hidnplayr	1559	ret
1159	hidnplayr	1560
1514	hidnplayr	1561
		1562	;---------------------------------------------------
1159	hidnplayr	1563	;
1514	hidnplayr	1564	; SOCKET_ptr_to_num
1159	hidnplayr	1565	;
1514	hidnplayr	1566	; Get socket number by its address
		1567	;
		1568	; IN: eax = socket ptr
		1569	; OUT: eax = 0 on error, socket num otherwise
		1570	; ZF = set on error
		1571	;
		1572	;---------------------------------------------------
		1573	align 4
		1574	SOCKET_ptr_to_num:
		1575
2402	hidnplayr	1576	DEBUGF 1,"SOCKET_ptr_to_num: %x ", eax
1514	hidnplayr	1577
2402	hidnplayr	1578	call SOCKET_check
		1579	jz .error
1159	hidnplayr	1580
2402	hidnplayr	1581	mov eax, [eax + SOCKET.Number]
1514	hidnplayr	1582
2402	hidnplayr	1583	DEBUGF 1,"(%u)\n", eax
1514	hidnplayr	1584
		1585	.error:
2402	hidnplayr	1586	ret
1514	hidnplayr	1587
		1588
		1589	;---------------------------------------------------
		1590	;
		1591	; SOCKET_check
		1592	;
		1593	; checks if the given value is really a socket ptr
		1594	;
		1595	; IN: eax = socket ptr
		1596	; OUT: eax = 0 on error, unchanged otherwise
		1597	; ZF = set on error
		1598	;
		1599	;---------------------------------------------------
		1600	align 4
		1601	SOCKET_check:
		1602
2402	hidnplayr	1603	DEBUGF 1,"SOCKET_check: %x\n", eax
1514	hidnplayr	1604
2402	hidnplayr	1605	push ebx
		1606	mov ebx, net_sockets
1514	hidnplayr	1607
1159	hidnplayr	1608	.next_socket:
2402	hidnplayr	1609	mov ebx, [ebx + SOCKET.NextPtr]
		1610	or ebx, ebx
		1611	jz .done
		1612	cmp ebx, eax
		1613	jnz .next_socket
1159	hidnplayr	1614
1514	hidnplayr	1615	.done:
2402	hidnplayr	1616	mov eax, ebx
		1617	test eax, eax
		1618	pop ebx
1514	hidnplayr	1619
2402	hidnplayr	1620	ret
1159	hidnplayr	1621
1514	hidnplayr	1622
		1623
		1624	;---------------------------------------------------
		1625	;
		1626	; SOCKET_check_owner
		1627	;
		1628	; checks if the caller application owns the socket
		1629	;
		1630	; IN: eax = socket ptr
		1631	; OUT: ZF = true/false
		1632	;
		1633	;---------------------------------------------------
		1634	align 4
		1635	SOCKET_check_owner:
		1636
2402	hidnplayr	1637	DEBUGF 1,"SOCKET_check_owner: %x\n", eax
1514	hidnplayr	1638
2402	hidnplayr	1639	push ebx
		1640	mov ebx, [TASK_BASE]
		1641	mov ebx, [ecx + TASKDATA.pid]
		1642	cmp [eax + SOCKET.PID], ebx
		1643	pop ebx
1514	hidnplayr	1644
2402	hidnplayr	1645	ret
1514	hidnplayr	1646
		1647
		1648
		1649
1885	hidnplayr	1650	;------------------------------------------------------
1514	hidnplayr	1651	;
		1652	; SOCKET_process_end
		1653	;
		1654	; Kernel calls this function when a certain process ends
		1655	; This function will check if the process had any open sockets
		1656	; And update them accordingly
		1657	;
		1658	; IN: eax = pid
		1659	; OUT: /
		1660	;
		1661	;------------------------------------------------------
		1662	align 4
		1663	SOCKET_process_end:
		1664
2402	hidnplayr	1665	DEBUGF 1,"SOCKET_process_end: %x\n", eax
1514	hidnplayr	1666
2402	hidnplayr	1667	push ebx
		1668	mov ebx, net_sockets
1514	hidnplayr	1669
		1670	.next_socket:
		1671
2402	hidnplayr	1672	mov ebx, [ebx + SOCKET.NextPtr]
1514	hidnplayr	1673	.test_socket:
2402	hidnplayr	1674	test ebx, ebx
		1675	jz .done
1514	hidnplayr	1676
2402	hidnplayr	1677	cmp [ebx + SOCKET.PID], eax
		1678	jne .next_socket
1514	hidnplayr	1679
2402	hidnplayr	1680	DEBUGF 1,"closing socket %x", eax, ebx
1514	hidnplayr	1681
2402	hidnplayr	1682	mov [ebx + SOCKET.PID], 0
1514	hidnplayr	1683
2402	hidnplayr	1684	cmp [ebx + SOCKET.Protocol], IP_PROTO_UDP
		1685	je .udp
1514	hidnplayr	1686
2402	hidnplayr	1687	cmp [ebx + SOCKET.Protocol], IP_PROTO_TCP
		1688	je .tcp
1514	hidnplayr	1689
2402	hidnplayr	1690	jmp .next_socket ; kill all sockets for given PID
1514	hidnplayr	1691
		1692	.udp:
2402	hidnplayr	1693	mov eax, ebx
		1694	mov ebx, [ebx + SOCKET.NextPtr]
		1695	call SOCKET_free
		1696	jmp .test_socket
1514	hidnplayr	1697
		1698	.tcp:
		1699
2402	hidnplayr	1700	;;; TODO
1885	hidnplayr	1701
2402	hidnplayr	1702	jmp .next_socket
1514	hidnplayr	1703
		1704	.done:
2402	hidnplayr	1705	pop ebx
1514	hidnplayr	1706
2402	hidnplayr	1707	ret
1773	hidnplayr	1708
		1709
		1710
		1711
1885	hidnplayr	1712	;-----------------------------------------------------------------
		1713	;
		1714	; SOCKET_is_connecting
		1715	;
		1716	; IN: eax = socket ptr
		1717	; OUT: /
		1718	;
		1719	;-----------------------------------------------------------------
1773	hidnplayr	1720
1885	hidnplayr	1721	align 4
		1722	SOCKET_is_connecting:
1773	hidnplayr	1723
		1724
2402	hidnplayr	1725	and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING)
		1726	or [eax + SOCKET.options], SS_ISCONNECTING
1773	hidnplayr	1727
2402	hidnplayr	1728	jmp SOCKET_notify_owner
1885	hidnplayr	1729
		1730
		1731
1773	hidnplayr	1732	;-----------------------------------------------------------------
		1733	;
1885	hidnplayr	1734	; SOCKET_is_connected
		1735	;
		1736	; IN: eax = socket ptr
		1737	; OUT: /
		1738	;
		1739	;-----------------------------------------------------------------
		1740
		1741	align 4
		1742	SOCKET_is_connected:
		1743
		1744
2402	hidnplayr	1745	and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING)
		1746	or [eax + SOCKET.options], SS_ISCONNECTED
1885	hidnplayr	1747
2402	hidnplayr	1748	jmp SOCKET_notify_owner
1885	hidnplayr	1749
		1750
		1751
		1752
		1753	;-----------------------------------------------------------------
		1754	;
1773	hidnplayr	1755	; SOCKET_is_disconnecting
		1756	;
		1757	; IN: eax = socket ptr
		1758	; OUT: /
		1759	;
		1760	;-----------------------------------------------------------------
		1761
		1762	align 4
		1763	SOCKET_is_disconnecting:
		1764
2402	hidnplayr	1765	and [eax + SOCKET.options], not (SS_ISCONNECTING)
		1766	or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE
1773	hidnplayr	1767
2402	hidnplayr	1768	jmp SOCKET_notify_owner
1773	hidnplayr	1769
		1770
		1771
		1772	;-----------------------------------------------------------------
		1773	;
		1774	; SOCKET_is_disconnected
		1775	;
		1776	; IN: eax = socket ptr
		1777	; OUT: /
		1778	;
		1779	;-----------------------------------------------------------------
		1780
		1781	align 4
		1782	SOCKET_is_disconnected:
		1783
2402	hidnplayr	1784	and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING)
		1785	or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE
1773	hidnplayr	1786
2402	hidnplayr	1787	jmp SOCKET_notify_owner
1774	hidnplayr	1788
		1789
		1790	;-----------------------------------------------------------------
		1791	;
		1792	; SOCKET_cant_recv_more
		1793	;
		1794	; IN: eax = socket ptr
		1795	; OUT: /
		1796	;
		1797	;-----------------------------------------------------------------
		1798
		1799	align 4
		1800	SOCKET_cant_recv_more:
		1801
2402	hidnplayr	1802	or [eax + SOCKET.options], SS_CANTRCVMORE
1885	hidnplayr	1803
2402	hidnplayr	1804	ret
1831	hidnplayr	1805
		1806
		1807
		1808	;-----------------------------------------------------------------
		1809	;
1885	hidnplayr	1810	; SOCKET_cant_send_more
1831	hidnplayr	1811	;
		1812	; IN: eax = socket ptr
		1813	; OUT: /
		1814	;
		1815	;-----------------------------------------------------------------
		1816
		1817	align 4
1885	hidnplayr	1818	SOCKET_cant_send_more:
1831	hidnplayr	1819
2402	hidnplayr	1820	or [eax + SOCKET.options], SS_CANTSENDMORE
1831	hidnplayr	1821
2402	hidnplayr	1822	ret

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(root)/kernel/branches/net/network/socket.inc – Rev 2404