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: 2572 $
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
2572	hidnplayr	628	mov eax, [esi]
1249	hidnplayr	629
2572	hidnplayr	630	; Change PID to that of the current process
		631	mov ebx, [TASK_BASE]
		632	mov ebx, [ebx + TASKDATA.pid]
		633	mov [eax + SOCKET.PID], ebx
		634
2402	hidnplayr	635	call SOCKET_ptr_to_num
		636	jz s_error
		637	mov [esp+32], eax
		638	ret
1514	hidnplayr	639
1159	hidnplayr	640
1257	hidnplayr	641	;-----------------------------------------------------------------
1159	hidnplayr	642	;
		643	; SOCKET_close
		644	;
		645	; IN: socket number in ecx
		646	; OUT: eax is socket num, -1 on error
		647	;
1257	hidnplayr	648	;-----------------------------------------------------------------
1206	hidnplayr	649	align 4
1514	hidnplayr	650	SOCKET_close:
1159	hidnplayr	651
2402	hidnplayr	652	DEBUGF 1,"SOCKET_close: socknum: %u\n", ecx
1159	hidnplayr	653
2402	hidnplayr	654	call SOCKET_num_to_ptr
		655	jz s_error
1159	hidnplayr	656
2402	hidnplayr	657	cmp [eax + SOCKET.Domain], AF_INET4
		658	jne s_error
1159	hidnplayr	659
2402	hidnplayr	660	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		661	je .free
1159	hidnplayr	662
2402	hidnplayr	663	cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP
		664	je .free
1159	hidnplayr	665
2402	hidnplayr	666	cmp [eax + SOCKET.Protocol], IP_PROTO_IP
		667	je .free
1542	hidnplayr	668
2402	hidnplayr	669	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		670	je .tcp
1159	hidnplayr	671
2402	hidnplayr	672	jmp s_error
1159	hidnplayr	673
		674	.tcp:
2402	hidnplayr	675	cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED
		676	jb .free
1318	hidnplayr	677
2541	hidnplayr	678	call TCP_drop
2402	hidnplayr	679	mov dword [esp+32], 0
1159	hidnplayr	680
2402	hidnplayr	681	ret
1159	hidnplayr	682
1514	hidnplayr	683	.free:
2402	hidnplayr	684	call SOCKET_free
		685	mov dword [esp+32], 0
1159	hidnplayr	686
2402	hidnplayr	687	ret
1159	hidnplayr	688
		689
1257	hidnplayr	690	;-----------------------------------------------------------------
1159	hidnplayr	691	;
		692	; SOCKET_receive
		693	;
		694	; IN: socket number in ecx
1249	hidnplayr	695	; addr to buffer in edx
		696	; length of buffer in esi
1159	hidnplayr	697	; flags in edi
		698	; OUT: eax is number of bytes copied, -1 on error
		699	;
1257	hidnplayr	700	;-----------------------------------------------------------------
1206	hidnplayr	701	align 4
1514	hidnplayr	702	SOCKET_receive:
1159	hidnplayr	703
2402	hidnplayr	704	DEBUGF 1,"SOCKET_receive: socknum: %u bufaddr: %x, buflength: %u, flags: %x, ", ecx, edx, esi, edi
1514	hidnplayr	705
2402	hidnplayr	706	call SOCKET_num_to_ptr
		707	jz s_error
1159	hidnplayr	708
2402	hidnplayr	709	jmp [eax + SOCKET.rcv_proc]
1533	hidnplayr	710
1536	hidnplayr	711
		712	align 4
1541	hidnplayr	713	SOCKET_receive_dgram:
1536	hidnplayr	714
2402	hidnplayr	715	DEBUGF 1,"SOCKET_receive: DGRAM\n"
1536	hidnplayr	716
2402	hidnplayr	717	mov ebx, esi
		718	mov edi, edx ; addr to buffer
1159	hidnplayr	719
2402	hidnplayr	720	get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, s_error ; destroys esi and ecx
1536	hidnplayr	721
2402	hidnplayr	722	mov ecx, [esi + socket_queue_entry.data_size]
		723	DEBUGF 1,"Got %u bytes of data\n", ecx
1159	hidnplayr	724
2402	hidnplayr	725	cmp ecx, ebx
		726	ja .too_small
1514	hidnplayr	727
2402	hidnplayr	728	push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later
		729	mov esi, [esi + socket_queue_entry.data_ptr]
		730	DEBUGF 1,"Source buffer: %x, real addr: %x\n", [esp], esi
		731	mov [esp+32+4], ecx ; return number of bytes copied
1159	hidnplayr	732
1514	hidnplayr	733	; copy the data
2402	hidnplayr	734	shr ecx, 1
		735	jnc .nb
		736	movsb
1536	hidnplayr	737	.nb:
2402	hidnplayr	738	shr ecx, 1
		739	jnc .nw
		740	movsw
1536	hidnplayr	741	.nw:
2402	hidnplayr	742	test ecx, ecx
		743	jz .nd
		744	rep movsd
1536	hidnplayr	745	.nd:
1159	hidnplayr	746
2402	hidnplayr	747	call kernel_free ; remove the packet
		748	ret
1514	hidnplayr	749
1536	hidnplayr	750	.too_small:
1533	hidnplayr	751
2402	hidnplayr	752	DEBUGF 1,"Buffer too small...\n"
		753	jmp s_error
1536	hidnplayr	754
		755	align 4
		756	SOCKET_receive_tcp:
		757
2402	hidnplayr	758	DEBUGF 1,"SOCKET_receive: TCP\n"
1536	hidnplayr	759
2402	hidnplayr	760	mov ecx, esi
		761	mov edi, edx
		762	add eax, STREAM_SOCKET.rcv
		763	call SOCKET_ring_read
		764	call SOCKET_ring_free
1533	hidnplayr	765
2402	hidnplayr	766	mov [esp+32], ecx ; return number of bytes copied
1533	hidnplayr	767
2402	hidnplayr	768	ret
1159	hidnplayr	769
		770
1257	hidnplayr	771	;-----------------------------------------------------------------
1159	hidnplayr	772	;
		773	; SOCKET_send
		774	;
		775	;
		776	; IN: socket number in ecx
1206	hidnplayr	777	; pointer to data in edx
		778	; datalength in esi
1159	hidnplayr	779	; flags in edi
		780	; OUT: -1 on error
		781	;
1257	hidnplayr	782	;-----------------------------------------------------------------
1206	hidnplayr	783	align 4
1514	hidnplayr	784	SOCKET_send:
1159	hidnplayr	785
2402	hidnplayr	786	DEBUGF 1,"SOCKET_send: socknum: %u data ptr: %x, length: %u, flags: %x, ", ecx, edx, esi, edi
1159	hidnplayr	787
2402	hidnplayr	788	call SOCKET_num_to_ptr
		789	jz s_error
1159	hidnplayr	790
2402	hidnplayr	791	mov ecx, esi
		792	mov esi, edx
1763	hidnplayr	793
2402	hidnplayr	794	jmp [eax + SOCKET.snd_proc]
1206	hidnplayr	795
		796
1536	hidnplayr	797	align 4
		798	SOCKET_send_udp:
1529	hidnplayr	799
2402	hidnplayr	800	DEBUGF 1,"SOCKET_send: UDP\n"
1159	hidnplayr	801
2402	hidnplayr	802	call UDP_output
1159	hidnplayr	803
2402	hidnplayr	804	mov [esp+32], eax
		805	ret
1159	hidnplayr	806
		807
1536	hidnplayr	808	align 4
		809	SOCKET_send_tcp:
1254	hidnplayr	810
2402	hidnplayr	811	DEBUGF 1,"SOCKET_send: TCP\n"
1254	hidnplayr	812
2402	hidnplayr	813	push eax
		814	add eax, STREAM_SOCKET.snd
		815	call SOCKET_ring_write
		816	pop eax
1536	hidnplayr	817
2402	hidnplayr	818	call TCP_output
1254	hidnplayr	819
2402	hidnplayr	820	mov [esp+32], eax
		821	ret
1159	hidnplayr	822
1249	hidnplayr	823
1543	hidnplayr	824	align 4
		825	SOCKET_send_ip:
1249	hidnplayr	826
2402	hidnplayr	827	DEBUGF 1,"type: IP\n"
1543	hidnplayr	828
2402	hidnplayr	829	call IPv4_output_raw
1543	hidnplayr	830
2402	hidnplayr	831	mov [esp+32], eax
		832	ret
1543	hidnplayr	833
1541	hidnplayr	834	align 4
		835	SOCKET_send_icmp:
1249	hidnplayr	836
2402	hidnplayr	837	DEBUGF 1,"SOCKET_send: ICMP\n"
1541	hidnplayr	838
2402	hidnplayr	839	call ICMP_output_raw
1541	hidnplayr	840
2402	hidnplayr	841	mov [esp+32], eax
		842	ret
1541	hidnplayr	843
		844
		845
		846
1257	hidnplayr	847	;-----------------------------------------------------------------
1256	clevermous	848	;
1257	hidnplayr	849	; SOCKET_get_options
1256	clevermous	850	;
1514	hidnplayr	851	; IN: ecx = socket number
		852	; edx = pointer to the options:
1257	hidnplayr	853	; dd level, optname, optval, optlen
1256	clevermous	854	; OUT: -1 on error
		855	;
		856	; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP.
		857	; TODO: find best way to notify that send()'ed data were acknowledged
1831	hidnplayr	858	; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*.
1256	clevermous	859	;
1257	hidnplayr	860	;-----------------------------------------------------------------
		861	align 4
1514	hidnplayr	862	SOCKET_get_opt:
1257	hidnplayr	863
2402	hidnplayr	864	DEBUGF 1,"SOCKET_get_opt\n"
1514	hidnplayr	865
2402	hidnplayr	866	call SOCKET_num_to_ptr
		867	jz s_error
1514	hidnplayr	868
2402	hidnplayr	869	cmp dword [edx], IP_PROTO_TCP
		870	jne s_error
		871	cmp dword [edx+4], -2
		872	je @f
		873	cmp dword [edx+4], -3
		874	jne s_error
1299	clevermous	875	@@:
1514	hidnplayr	876	; mov eax, [edx+12]
		877	; test eax, eax
		878	; jz .fail
		879	; cmp dword [eax], 4
		880	; mov dword [eax], 4
		881	; jb .fail
		882	; stdcall net_socket_num_to_addr, ecx
		883	; test eax, eax
		884	; jz .fail
		885	; ; todo: check that eax is really TCP socket
		886	; mov ecx, [eax + TCP_SOCKET.last_ack_number]
		887	; cmp dword [edx+4], -2
		888	; jz @f
		889	; mov ecx, [eax + TCP_SOCKET.state]
1299	clevermous	890	@@:
2402	hidnplayr	891	mov eax, [edx+8]
		892	test eax, eax
		893	jz @f
		894	mov [eax], ecx
1256	clevermous	895	@@:
2402	hidnplayr	896	mov dword [esp+32], 0
		897	ret
1159	hidnplayr	898
		899
1529	hidnplayr	900
1542	hidnplayr	901
		902	align 4
		903	SOCKET_set_opt:
		904
2402	hidnplayr	905	ret
1542	hidnplayr	906
		907
		908
1257	hidnplayr	909	;-----------------------------------------------------------------
1206	hidnplayr	910	;
1529	hidnplayr	911	; SOCKET_debug
		912	;
		913	; Copies socket variables to application buffer
		914	;
		915	; IN: ecx = socket number
		916	; edx = pointer to buffer
		917	;
		918	; OUT: -1 on error
		919	;-----------------------------------------------------------------
		920	align 4
		921	SOCKET_debug:
		922
2402	hidnplayr	923	DEBUGF 1,"socket_debug\n"
1529	hidnplayr	924
2402	hidnplayr	925	call SOCKET_num_to_ptr
		926	jz s_error
1529	hidnplayr	927
2402	hidnplayr	928	mov esi, eax
		929	mov edi, edx
		930	mov ecx, SOCKETBUFFSIZE/4
		931	rep movsd
1529	hidnplayr	932
2402	hidnplayr	933	mov dword [esp+32], 0
		934	ret
1529	hidnplayr	935
		936
		937	;-----------------------------------------------------------------
		938	;
1514	hidnplayr	939	; SOCKET_find_port
1206	hidnplayr	940	;
1514	hidnplayr	941	; Fills in the local port number for TCP and UDP sockets
		942	; This procedure always works because the number of sockets is
		943	; limited to a smaller number then the number of possible ports
1206	hidnplayr	944	;
1514	hidnplayr	945	; IN: eax = socket pointer
		946	; OUT: /
1206	hidnplayr	947	;
1257	hidnplayr	948	;-----------------------------------------------------------------
1206	hidnplayr	949	align 4
1514	hidnplayr	950	SOCKET_find_port:
1159	hidnplayr	951
2402	hidnplayr	952	DEBUGF 1,"SOCKET_find_port\n"
1159	hidnplayr	953
2402	hidnplayr	954	push ebx esi ecx
1514	hidnplayr	955
2402	hidnplayr	956	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		957	je .udp
1159	hidnplayr	958
2402	hidnplayr	959	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		960	je .tcp
1159	hidnplayr	961
2402	hidnplayr	962	jmp .error
1514	hidnplayr	963
		964	.done:
2402	hidnplayr	965	mov [eax + UDP_SOCKET.LocalPort], bx
1514	hidnplayr	966	.error:
2402	hidnplayr	967	pop ecx esi ebx
		968	ret
1514	hidnplayr	969
1206	hidnplayr	970	.udp:
2402	hidnplayr	971	mov bx, [last_UDP_port]
		972	call .findit
		973	mov [last_UDP_port], bx
		974	jmp .done
1206	hidnplayr	975
		976	.tcp:
2402	hidnplayr	977	mov bx, [last_TCP_port]
		978	call .findit
		979	mov [last_TCP_port], bx
		980	jmp .done
1206	hidnplayr	981
		982
1514	hidnplayr	983	.restart:
2402	hidnplayr	984	mov bx, MIN_EPHEMERAL_PORT
1514	hidnplayr	985	.findit:
2402	hidnplayr	986	inc bx
1206	hidnplayr	987
2402	hidnplayr	988	cmp bx, MAX_EPHEMERAL_PORT
		989	jz .restart
1206	hidnplayr	990
2402	hidnplayr	991	call SOCKET_check_port
		992	jz .findit
1206	hidnplayr	993
2402	hidnplayr	994	ret
1206	hidnplayr	995
1257	hidnplayr	996
		997
		998	;-----------------------------------------------------------------
1206	hidnplayr	999	;
1542	hidnplayr	1000	; SOCKET_check_port (to be used with AF_INET only!)
1206	hidnplayr	1001	;
1514	hidnplayr	1002	; Checks if a local port number is unused
		1003	; If the proposed port number is unused, it is filled in in the socket structure
1206	hidnplayr	1004	;
1514	hidnplayr	1005	; IN: eax = socket ptr (to find out if its a TCP/UDP socket)
		1006	; bx = proposed socket number
1206	hidnplayr	1007	;
1514	hidnplayr	1008	; OUT: ZF = cleared on error
		1009	;
1257	hidnplayr	1010	;-----------------------------------------------------------------
1206	hidnplayr	1011	align 4
1514	hidnplayr	1012	SOCKET_check_port:
		1013
2402	hidnplayr	1014	DEBUGF 1,"SOCKET_check_port\n"
1514	hidnplayr	1015
2402	hidnplayr	1016	mov ecx, [eax + SOCKET.Protocol]
		1017	mov esi, net_sockets
1206	hidnplayr	1018
		1019	.next_socket:
2402	hidnplayr	1020	mov esi, [esi + SOCKET.NextPtr]
		1021	or esi, esi
		1022	jz .port_ok
1206	hidnplayr	1023
2402	hidnplayr	1024	cmp [esi + SOCKET.Protocol], ecx
		1025	jne .next_socket
1206	hidnplayr	1026
2402	hidnplayr	1027	cmp [esi + UDP_SOCKET.LocalPort], bx
		1028	jne .next_socket
1206	hidnplayr	1029
2402	hidnplayr	1030	DEBUGF 1,"local port %u already in use\n", bx
		1031	ret
1206	hidnplayr	1032
		1033	.port_ok:
2402	hidnplayr	1034	mov [eax + UDP_SOCKET.LocalPort], bx
		1035	or bx, bx ; set the zero-flag
1514	hidnplayr	1036
2402	hidnplayr	1037	ret
1206	hidnplayr	1038
		1039
1257	hidnplayr	1040
		1041	;-----------------------------------------------------------------
1206	hidnplayr	1042	;
1514	hidnplayr	1043	; SOCKET_input
1206	hidnplayr	1044	;
1536	hidnplayr	1045	; Updates a (stateless) socket with received data
1206	hidnplayr	1046	;
1514	hidnplayr	1047	; Note: the mutex should already be set !
1206	hidnplayr	1048	;
1249	hidnplayr	1049	; IN: eax = socket ptr
1514	hidnplayr	1050	; ebx = pointer to device struct
		1051	; ecx = data size
		1052	; esi = ptr to data
		1053	; [esp] = ptr to buf
		1054	; [esp + 4] = buf size
1249	hidnplayr	1055	;
1514	hidnplayr	1056	; OUT: /
1206	hidnplayr	1057	;
1257	hidnplayr	1058	;-----------------------------------------------------------------
1206	hidnplayr	1059	align 4
1514	hidnplayr	1060	SOCKET_input:
1206	hidnplayr	1061
2402	hidnplayr	1062	DEBUGF 1,"SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx
1206	hidnplayr	1063
2402	hidnplayr	1064	mov [esp+4], ecx
		1065	push esi
		1066	mov esi, esp
1514	hidnplayr	1067
2402	hidnplayr	1068	add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full
1514	hidnplayr	1069
2402	hidnplayr	1070	DEBUGF 1,"SOCKET_input: queued packet successfully\n"
		1071	add esp, sizeof.socket_queue_entry
1206	hidnplayr	1072
2402	hidnplayr	1073	pusha
		1074	lea ecx, [eax + SOCKET.mutex]
		1075	call mutex_unlock
		1076	popa
		1077
		1078	jmp SOCKET_notify_owner
		1079
1514	hidnplayr	1080	.full:
2402	hidnplayr	1081	DEBUGF 2,"SOCKET_input: socket %x is full!\n", eax
1206	hidnplayr	1082
2402	hidnplayr	1083	pusha
		1084	lea ecx, [eax + SOCKET.mutex]
		1085	call mutex_unlock
		1086	popa
1514	hidnplayr	1087
2402	hidnplayr	1088	call kernel_free
		1089	add esp, 8
1533	hidnplayr	1090
2402	hidnplayr	1091	ret
		1092
		1093
1533	hidnplayr	1094	;--------------------------
		1095	;
		1096	; eax = ptr to ring struct (just a buffer of the right size)
		1097	;
		1098	align 4
		1099	SOCKET_ring_create:
		1100
2402	hidnplayr	1101	push esi
		1102	mov esi, eax
1543	hidnplayr	1103
2402	hidnplayr	1104	push edx
		1105	stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW
		1106	pop edx
1533	hidnplayr	1107
2402	hidnplayr	1108	DEBUGF 1,"SOCKET_ring_created: %x\n", eax
		1109	mov [esi + RING_BUFFER.start_ptr], eax
		1110	mov [esi + RING_BUFFER.write_ptr], eax
		1111	mov [esi + RING_BUFFER.read_ptr], eax
		1112	mov [esi + RING_BUFFER.size], 0
		1113	add eax, SOCKET_MAXDATA
		1114	mov [esi + RING_BUFFER.end_ptr], eax
		1115	mov eax, esi
		1116	pop esi
1533	hidnplayr	1117
2402	hidnplayr	1118	ret
1533	hidnplayr	1119
1514	hidnplayr	1120	;-----------------------------------------------------------------
		1121	;
1533	hidnplayr	1122	; SOCKET_ring_write
1529	hidnplayr	1123	;
1533	hidnplayr	1124	; Adds data to a stream socket, and updates write pointer and size
1529	hidnplayr	1125	;
		1126	; IN: eax = ptr to ring struct
		1127	; ecx = data size
		1128	; esi = ptr to data
		1129	;
1533	hidnplayr	1130	; OUT: ecx = number of bytes stored
1529	hidnplayr	1131	;
		1132	;-----------------------------------------------------------------
		1133	align 4
1533	hidnplayr	1134	SOCKET_ring_write:
1529	hidnplayr	1135
2402	hidnplayr	1136	DEBUGF 1,"SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx
1529	hidnplayr	1137
2402	hidnplayr	1138	add [eax + RING_BUFFER.size], ecx
		1139	cmp [eax + RING_BUFFER.size], SOCKET_MAXDATA
		1140	ja .too_large
1529	hidnplayr	1141
		1142	.copy:
2402	hidnplayr	1143	mov edi, [eax + RING_BUFFER.write_ptr]
		1144	DEBUGF 2,"SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi
1529	hidnplayr	1145
2402	hidnplayr	1146	push ecx
		1147	shr ecx, 1
		1148	jnc .nb
		1149	movsb
1536	hidnplayr	1150	.nb:
2402	hidnplayr	1151	shr ecx, 1
		1152	jnc .nw
		1153	movsw
1536	hidnplayr	1154	.nw:
2402	hidnplayr	1155	test ecx, ecx
		1156	jz .nd
		1157	rep movsd
1536	hidnplayr	1158	.nd:
2402	hidnplayr	1159	pop ecx
1529	hidnplayr	1160
2402	hidnplayr	1161	cmp edi, [eax + RING_BUFFER.end_ptr]
		1162	jae .wrap
		1163	mov [eax + RING_BUFFER.write_ptr], edi
1533	hidnplayr	1164
2402	hidnplayr	1165	ret
1529	hidnplayr	1166
1533	hidnplayr	1167	.wrap:
2402	hidnplayr	1168	sub edi, SOCKET_MAXDATA
		1169	mov [eax + RING_BUFFER.write_ptr], edi
1533	hidnplayr	1170
2402	hidnplayr	1171	ret
1533	hidnplayr	1172
2404	hidnplayr	1173	.too_large: ; update size, we will fill buffer completely
		1174	sub [eax + RING_BUFFER.size], SOCKET_MAXDATA
2402	hidnplayr	1175	sub ecx, [eax + RING_BUFFER.size]
2404	hidnplayr	1176	mov [eax + RING_BUFFER.size], SOCKET_MAXDATA
1529	hidnplayr	1177
2404	hidnplayr	1178	test ecx, ecx
		1179	jnz .copy
1529	hidnplayr	1180
2402	hidnplayr	1181	DEBUGF 2,"SOCKET_ring_write: ring buffer is full!\n"
		1182	xor ecx, ecx
		1183	ret
1529	hidnplayr	1184
		1185
		1186	;-----------------------------------------------------------------
		1187	;
		1188	; SOCKET_ring_read
		1189	;
1533	hidnplayr	1190	; reads the data, BUT DOES NOT CLEAR IT FROM MEMORY YET
1529	hidnplayr	1191	;
		1192	; IN: eax = ptr to ring struct
		1193	; ecx = buffer size
		1194	; edi = ptr to buffer
		1195	;
1533	hidnplayr	1196	; OUT: ecx = number of bytes read
1529	hidnplayr	1197	;
		1198	;-----------------------------------------------------------------
		1199	align 4
		1200	SOCKET_ring_read:
		1201
2402	hidnplayr	1202	DEBUGF 1,"SOCKET_ring_read: ringbuff=%x ptr=%x size=%u\n", eax, edi, ecx
1529	hidnplayr	1203
2402	hidnplayr	1204	cmp ecx, [eax + RING_BUFFER.size]
		1205	ja .less_data
1529	hidnplayr	1206
		1207	.copy:
2402	hidnplayr	1208	mov esi, [eax + RING_BUFFER.read_ptr]
1529	hidnplayr	1209
2402	hidnplayr	1210	DEBUGF 2,"SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi
		1211	push ecx
		1212	shr ecx, 1
		1213	jnc .nb
		1214	movsb
1536	hidnplayr	1215	.nb:
2402	hidnplayr	1216	shr ecx, 1
		1217	jnc .nw
		1218	movsw
1536	hidnplayr	1219	.nw:
2402	hidnplayr	1220	test ecx, ecx
		1221	jz .nd
		1222	rep movsd
1536	hidnplayr	1223	.nd:
2402	hidnplayr	1224	pop ecx
1529	hidnplayr	1225
1830	hidnplayr	1226	.no_data_at_all:
2402	hidnplayr	1227	ret
1529	hidnplayr	1228
1533	hidnplayr	1229	.less_data:
2402	hidnplayr	1230	mov ecx, [eax + RING_BUFFER.size]
1830	hidnplayr	1231	; test ecx, ecx
1533	hidnplayr	1232	; jz .no_data_at_all
2402	hidnplayr	1233	jmp .copy
1529	hidnplayr	1234
		1235
		1236	;-----------------------------------------------------------------
		1237	;
		1238	; SOCKET_ring_free
		1239	;
		1240	; Free's some bytes from the ringbuffer
		1241	;
		1242	; IN: eax = ptr to ring struct
		1243	; ecx = data size
		1244	;
		1245	; OUT: ecx = number of bytes free-ed
		1246	;
		1247	;-----------------------------------------------------------------
		1248	align 4
		1249	SOCKET_ring_free:
		1250
2402	hidnplayr	1251	DEBUGF 1,"SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax
1529	hidnplayr	1252
2402	hidnplayr	1253	sub [eax + RING_BUFFER.size], ecx
		1254	jb .sumthinwong
		1255	add [eax + RING_BUFFER.read_ptr], ecx
1529	hidnplayr	1256
2402	hidnplayr	1257	mov edx, [eax + RING_BUFFER.end_ptr]
		1258	cmp [eax + RING_BUFFER.read_ptr], edx
		1259	jb @f
		1260	sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA
1529	hidnplayr	1261	@@:
2402	hidnplayr	1262	ret
1529	hidnplayr	1263
2402	hidnplayr	1264	.sumthinwong: ; we could free all available bytes, but that would be stupid, i guess..
		1265	add [eax + RING_BUFFER.size], ecx
		1266	xor ecx, ecx
		1267	ret
1529	hidnplayr	1268
		1269
		1270	;-----------------------------------------------------------------
		1271	;
1514	hidnplayr	1272	; SOCKET_notify_owner
		1273	;
		1274	; notify's the owner of a socket that something happened
		1275	;
		1276	; IN: eax = socket ptr
		1277	; OUT: /
		1278	;
		1279	;-----------------------------------------------------------------
		1280	align 4
		1281	SOCKET_notify_owner:
		1282
2402	hidnplayr	1283	DEBUGF 1,"SOCKET_notify_owner: %x\n", eax
1514	hidnplayr	1284
2402	hidnplayr	1285	call SOCKET_check
		1286	jz .error
1514	hidnplayr	1287
2402	hidnplayr	1288	push eax ecx esi
1514	hidnplayr	1289
		1290	; socket exists, now try to flag an event to the application
		1291
2402	hidnplayr	1292	mov eax, [eax + SOCKET.PID]
		1293	mov ecx, 1
		1294	mov esi, TASK_DATA + TASKDATA.pid
1206	hidnplayr	1295
		1296	.next_pid:
2402	hidnplayr	1297	cmp [esi], eax
		1298	je .found_pid
		1299	inc ecx
		1300	add esi, 0x20
		1301	cmp ecx, [TASK_COUNT]
		1302	jbe .next_pid
1206	hidnplayr	1303
1514	hidnplayr	1304	; PID not found, TODO: close socket!
		1305
2402	hidnplayr	1306	jmp .error2
1514	hidnplayr	1307
1206	hidnplayr	1308	.found_pid:
2402	hidnplayr	1309	shl ecx, 8
		1310	or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK
		1311	mov [check_idle_semaphore], 200
1206	hidnplayr	1312
2402	hidnplayr	1313	DEBUGF 1,"SOCKET_notify_owner: succes!\n"
1514	hidnplayr	1314
		1315	.error2:
2402	hidnplayr	1316	pop esi ecx eax
1536	hidnplayr	1317
1514	hidnplayr	1318	.error:
		1319
2402	hidnplayr	1320	ret
1206	hidnplayr	1321
		1322
1514	hidnplayr	1323	;--------------------------------------------------------------------
		1324	;
		1325	; SOCKET_alloc
		1326	;
1159	hidnplayr	1327	; Allocate memory for socket data and put new socket into the list
		1328	; Newly created socket is initialized with calling PID and number and
		1329	; put into beginning of list (which is a fastest way).
		1330	;
1514	hidnplayr	1331	; IN: /
		1332	; OUT: eax = 0 on error, socket ptr otherwise
		1333	; edi = socket number
		1334	; ZF = cleared on error
1159	hidnplayr	1335	;
1514	hidnplayr	1336	;--------------------------------------------------------------------
		1337	align 4
		1338	SOCKET_alloc:
		1339
2402	hidnplayr	1340	push ebx
1514	hidnplayr	1341
2402	hidnplayr	1342	stdcall kernel_alloc, SOCKETBUFFSIZE
		1343	DEBUGF 1, "SOCKET_alloc: ptr=%x\n", eax
		1344	or eax, eax
		1345	jz .exit
1159	hidnplayr	1346
1514	hidnplayr	1347	; zero-initialize allocated memory
2402	hidnplayr	1348	push eax
		1349	mov edi, eax
		1350	mov ecx, SOCKETBUFFSIZE / 4
		1351	xor eax, eax
		1352	rep stosd
		1353	pop eax
1159	hidnplayr	1354
1536	hidnplayr	1355	; set send-and receive procedures to return -1
2402	hidnplayr	1356	mov [eax + SOCKET.snd_proc], s_error
		1357	mov [eax + SOCKET.rcv_proc], s_error
1536	hidnplayr	1358
1514	hidnplayr	1359	; find first free socket number and use it
2402	hidnplayr	1360	mov edi, [last_socket_num]
1159	hidnplayr	1361	.next_socket_number:
2402	hidnplayr	1362	inc edi
		1363	jz .next_socket_number ; avoid socket nr 0
		1364	cmp edi, -1
		1365	je .next_socket_number ; avoid socket nr -1
		1366	mov ebx, net_sockets
1159	hidnplayr	1367	.next_socket:
2402	hidnplayr	1368	mov ebx, [ebx + SOCKET.NextPtr]
		1369	test ebx, ebx
		1370	jz .last_socket
1536	hidnplayr	1371
2402	hidnplayr	1372	cmp [ebx + SOCKET.Number], edi
		1373	jne .next_socket
		1374	jmp .next_socket_number
1159	hidnplayr	1375
1514	hidnplayr	1376	.last_socket:
2402	hidnplayr	1377	mov [last_socket_num], edi
		1378	mov [eax + SOCKET.Number], edi
		1379	DEBUGF 1, "SOCKET_alloc: number=%u\n", edi
1159	hidnplayr	1380
1514	hidnplayr	1381	; Fill in PID
2402	hidnplayr	1382	mov ebx, [TASK_BASE]
		1383	mov ebx, [ebx + TASKDATA.pid]
		1384	mov [eax + SOCKET.PID], ebx
1514	hidnplayr	1385
2403	hidnplayr	1386	; init mutex
		1387	pusha
		1388	lea ecx, [eax + SOCKET.mutex]
		1389	call mutex_init
		1390	popa
		1391
1529	hidnplayr	1392	; add socket to the list by re-arranging some pointers
2402	hidnplayr	1393	mov ebx, [net_sockets + SOCKET.NextPtr]
1514	hidnplayr	1394
2402	hidnplayr	1395	mov [eax + SOCKET.PrevPtr], net_sockets
		1396	mov [eax + SOCKET.NextPtr], ebx
1514	hidnplayr	1397
2402	hidnplayr	1398	test ebx, ebx
		1399	jz @f
		1400
		1401	pusha
		1402	lea ecx, [ebx + SOCKET.mutex]
		1403	call mutex_lock
		1404	popa
		1405
		1406	mov [ebx + SOCKET.PrevPtr], eax
		1407
		1408	pusha
		1409	lea ecx, [ebx + SOCKET.mutex]
		1410	call mutex_unlock
		1411	popa
1514	hidnplayr	1412	@@:
		1413
2402	hidnplayr	1414	mov [net_sockets + SOCKET.NextPtr], eax
		1415	or eax, eax ; used to clear zero flag
1159	hidnplayr	1416	.exit:
2402	hidnplayr	1417	pop ebx
1514	hidnplayr	1418
2402	hidnplayr	1419	ret
1159	hidnplayr	1420
1514	hidnplayr	1421
		1422	;----------------------------------------------------
1159	hidnplayr	1423	;
1514	hidnplayr	1424	; SOCKET_free
1159	hidnplayr	1425	;
1514	hidnplayr	1426	; Free socket data memory and remove socket from the list
		1427	;
		1428	; IN: eax = socket ptr
		1429	; OUT: /
		1430	;
		1431	;----------------------------------------------------
		1432	align 4
		1433	SOCKET_free:
1159	hidnplayr	1434
2402	hidnplayr	1435	DEBUGF 1, "SOCKET_free: %x\n", eax
1514	hidnplayr	1436
2402	hidnplayr	1437	call SOCKET_check
		1438	jz .error
1159	hidnplayr	1439
2402	hidnplayr	1440	push ebx
1514	hidnplayr	1441
2402	hidnplayr	1442	pusha
		1443	lea ecx, [eax + SOCKET.mutex]
		1444	call mutex_lock
		1445	popa
1514	hidnplayr	1446
2402	hidnplayr	1447	DEBUGF 1, "SOCKET_free: freeing socket..\n"
1529	hidnplayr	1448
2402	hidnplayr	1449	cmp [eax + SOCKET.Domain], AF_INET4
		1450	jnz .no_tcp
1529	hidnplayr	1451
2402	hidnplayr	1452	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		1453	jnz .no_tcp
		1454
		1455	mov ebx, eax
		1456	stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr]
		1457	stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr]
		1458	mov eax, ebx
1536	hidnplayr	1459	.no_tcp:
1529	hidnplayr	1460
2402	hidnplayr	1461	push eax ; this will be passed to kernel_free
		1462	mov ebx, [eax + SOCKET.NextPtr]
		1463	mov eax, [eax + SOCKET.PrevPtr]
1514	hidnplayr	1464
2402	hidnplayr	1465	DEBUGF 1, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx
1514	hidnplayr	1466
2402	hidnplayr	1467	test eax, eax
		1468	jz @f
		1469	mov [eax + SOCKET.NextPtr], ebx
1514	hidnplayr	1470	@@:
1159	hidnplayr	1471
2402	hidnplayr	1472	test ebx, ebx
		1473	jz @f
		1474	mov [ebx + SOCKET.PrevPtr], eax
1514	hidnplayr	1475	@@:
1249	hidnplayr	1476
2402	hidnplayr	1477	call kernel_free
		1478	pop ebx
1159	hidnplayr	1479
2402	hidnplayr	1480	DEBUGF 1, "SOCKET_free: success!\n"
1514	hidnplayr	1481
1159	hidnplayr	1482	.error:
2402	hidnplayr	1483	ret
1159	hidnplayr	1484
1543	hidnplayr	1485	;------------------------------------
		1486	;
		1487	; SOCKET_fork
		1488	;
		1489	; Create a child socket
		1490	;
1533	hidnplayr	1491	; IN: socket nr in ebx
1543	hidnplayr	1492	; OUT: child socket nr in eax
		1493	;
		1494	;-----------------------------------
1529	hidnplayr	1495	align 4
		1496	SOCKET_fork:
		1497
2402	hidnplayr	1498	DEBUGF 1,"SOCKET_fork: %x\n", ebx
1529	hidnplayr	1499
1543	hidnplayr	1500	; Exit if backlog queue is full
2402	hidnplayr	1501	mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size]
		1502	cmp ax, [ebx + SOCKET.backlog]
		1503	jae .fail
1543	hidnplayr	1504
1529	hidnplayr	1505	; Allocate new socket
2402	hidnplayr	1506	push ebx
		1507	call SOCKET_alloc
		1508	pop ebx
		1509	jz .fail
1529	hidnplayr	1510
2402	hidnplayr	1511	push eax
		1512	mov esi, esp
		1513	add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2
		1514	pop eax
1543	hidnplayr	1515
		1516	; Copy structure from current socket to new
		1517	; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket
2402	hidnplayr	1518	lea esi, [ebx + SOCKET.PID]
		1519	lea edi, [eax + SOCKET.PID]
		1520	mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4
		1521	rep movsd
1529	hidnplayr	1522
2402	hidnplayr	1523	and [eax + SOCKET.options], not SO_ACCEPTCON
1529	hidnplayr	1524
2402	hidnplayr	1525	ret
1529	hidnplayr	1526
1543	hidnplayr	1527	.fail2:
2402	hidnplayr	1528	add esp, 4+4+4
1543	hidnplayr	1529	.fail:
2402	hidnplayr	1530	DEBUGF 1,"SOCKET_fork: failed\n"
		1531	xor eax, eax
		1532	ret
1529	hidnplayr	1533
1543	hidnplayr	1534
1514	hidnplayr	1535	;---------------------------------------------------
		1536	;
		1537	; SOCKET_num_to_ptr
		1538	;
1159	hidnplayr	1539	; Get socket structure address by its number
		1540	;
1514	hidnplayr	1541	; IN: ecx = socket number
1533	hidnplayr	1542	; OUT: eax = 0 on error, socket ptr otherwise
1514	hidnplayr	1543	; ZF = set on error
1159	hidnplayr	1544	;
1514	hidnplayr	1545	;---------------------------------------------------
		1546	align 4
		1547	SOCKET_num_to_ptr:
1159	hidnplayr	1548
2402	hidnplayr	1549	DEBUGF 1,"SOCKET_num_to_ptr: %u ", ecx
1514	hidnplayr	1550
2402	hidnplayr	1551	mov eax, net_sockets
1514	hidnplayr	1552
1159	hidnplayr	1553	.next_socket:
2402	hidnplayr	1554	mov eax, [eax + SOCKET.NextPtr]
		1555	or eax, eax
		1556	jz .error
		1557	cmp [eax + SOCKET.Number], ecx
		1558	jne .next_socket
1159	hidnplayr	1559
2402	hidnplayr	1560	test eax, eax
1159	hidnplayr	1561
2402	hidnplayr	1562	DEBUGF 1,"(%x)\n", eax
1159	hidnplayr	1563	.error:
2402	hidnplayr	1564	ret
1159	hidnplayr	1565
1514	hidnplayr	1566
		1567	;---------------------------------------------------
1159	hidnplayr	1568	;
1514	hidnplayr	1569	; SOCKET_ptr_to_num
1159	hidnplayr	1570	;
1514	hidnplayr	1571	; Get socket number by its address
		1572	;
		1573	; IN: eax = socket ptr
		1574	; OUT: eax = 0 on error, socket num otherwise
		1575	; ZF = set on error
		1576	;
		1577	;---------------------------------------------------
		1578	align 4
		1579	SOCKET_ptr_to_num:
		1580
2402	hidnplayr	1581	DEBUGF 1,"SOCKET_ptr_to_num: %x ", eax
1514	hidnplayr	1582
2402	hidnplayr	1583	call SOCKET_check
		1584	jz .error
1159	hidnplayr	1585
2402	hidnplayr	1586	mov eax, [eax + SOCKET.Number]
1514	hidnplayr	1587
2402	hidnplayr	1588	DEBUGF 1,"(%u)\n", eax
1514	hidnplayr	1589
		1590	.error:
2402	hidnplayr	1591	ret
1514	hidnplayr	1592
		1593
		1594	;---------------------------------------------------
		1595	;
		1596	; SOCKET_check
		1597	;
		1598	; checks if the given value is really a socket ptr
		1599	;
		1600	; IN: eax = socket ptr
		1601	; OUT: eax = 0 on error, unchanged otherwise
		1602	; ZF = set on error
		1603	;
		1604	;---------------------------------------------------
		1605	align 4
		1606	SOCKET_check:
		1607
2402	hidnplayr	1608	DEBUGF 1,"SOCKET_check: %x\n", eax
1514	hidnplayr	1609
2402	hidnplayr	1610	push ebx
		1611	mov ebx, net_sockets
1514	hidnplayr	1612
1159	hidnplayr	1613	.next_socket:
2402	hidnplayr	1614	mov ebx, [ebx + SOCKET.NextPtr]
		1615	or ebx, ebx
		1616	jz .done
		1617	cmp ebx, eax
		1618	jnz .next_socket
1159	hidnplayr	1619
1514	hidnplayr	1620	.done:
2402	hidnplayr	1621	mov eax, ebx
		1622	test eax, eax
		1623	pop ebx
1514	hidnplayr	1624
2402	hidnplayr	1625	ret
1159	hidnplayr	1626
1514	hidnplayr	1627
		1628
		1629	;---------------------------------------------------
		1630	;
		1631	; SOCKET_check_owner
		1632	;
		1633	; checks if the caller application owns the socket
		1634	;
		1635	; IN: eax = socket ptr
		1636	; OUT: ZF = true/false
		1637	;
		1638	;---------------------------------------------------
		1639	align 4
		1640	SOCKET_check_owner:
		1641
2402	hidnplayr	1642	DEBUGF 1,"SOCKET_check_owner: %x\n", eax
1514	hidnplayr	1643
2402	hidnplayr	1644	push ebx
		1645	mov ebx, [TASK_BASE]
		1646	mov ebx, [ecx + TASKDATA.pid]
		1647	cmp [eax + SOCKET.PID], ebx
		1648	pop ebx
1514	hidnplayr	1649
2402	hidnplayr	1650	ret
1514	hidnplayr	1651
		1652
		1653
		1654
1885	hidnplayr	1655	;------------------------------------------------------
1514	hidnplayr	1656	;
		1657	; SOCKET_process_end
		1658	;
		1659	; Kernel calls this function when a certain process ends
		1660	; This function will check if the process had any open sockets
		1661	; And update them accordingly
		1662	;
		1663	; IN: eax = pid
		1664	; OUT: /
		1665	;
		1666	;------------------------------------------------------
		1667	align 4
		1668	SOCKET_process_end:
		1669
2402	hidnplayr	1670	DEBUGF 1,"SOCKET_process_end: %x\n", eax
1514	hidnplayr	1671
2402	hidnplayr	1672	push ebx
		1673	mov ebx, net_sockets
1514	hidnplayr	1674
		1675	.next_socket:
		1676
2402	hidnplayr	1677	mov ebx, [ebx + SOCKET.NextPtr]
1514	hidnplayr	1678	.test_socket:
2402	hidnplayr	1679	test ebx, ebx
		1680	jz .done
1514	hidnplayr	1681
2402	hidnplayr	1682	cmp [ebx + SOCKET.PID], eax
		1683	jne .next_socket
1514	hidnplayr	1684
2402	hidnplayr	1685	DEBUGF 1,"closing socket %x", eax, ebx
1514	hidnplayr	1686
2402	hidnplayr	1687	mov [ebx + SOCKET.PID], 0
1514	hidnplayr	1688
2402	hidnplayr	1689	cmp [ebx + SOCKET.Protocol], IP_PROTO_UDP
		1690	je .udp
1514	hidnplayr	1691
2402	hidnplayr	1692	cmp [ebx + SOCKET.Protocol], IP_PROTO_TCP
		1693	je .tcp
1514	hidnplayr	1694
2402	hidnplayr	1695	jmp .next_socket ; kill all sockets for given PID
1514	hidnplayr	1696
		1697	.udp:
2402	hidnplayr	1698	mov eax, ebx
		1699	mov ebx, [ebx + SOCKET.NextPtr]
		1700	call SOCKET_free
		1701	jmp .test_socket
1514	hidnplayr	1702
		1703	.tcp:
		1704
2402	hidnplayr	1705	;;; TODO
1885	hidnplayr	1706
2402	hidnplayr	1707	jmp .next_socket
1514	hidnplayr	1708
		1709	.done:
2402	hidnplayr	1710	pop ebx
1514	hidnplayr	1711
2402	hidnplayr	1712	ret
1773	hidnplayr	1713
		1714
		1715
		1716
1885	hidnplayr	1717	;-----------------------------------------------------------------
		1718	;
		1719	; SOCKET_is_connecting
		1720	;
		1721	; IN: eax = socket ptr
		1722	; OUT: /
		1723	;
		1724	;-----------------------------------------------------------------
1773	hidnplayr	1725
1885	hidnplayr	1726	align 4
		1727	SOCKET_is_connecting:
1773	hidnplayr	1728
		1729
2402	hidnplayr	1730	and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING)
		1731	or [eax + SOCKET.options], SS_ISCONNECTING
1773	hidnplayr	1732
2402	hidnplayr	1733	jmp SOCKET_notify_owner
1885	hidnplayr	1734
		1735
		1736
1773	hidnplayr	1737	;-----------------------------------------------------------------
		1738	;
1885	hidnplayr	1739	; SOCKET_is_connected
		1740	;
		1741	; IN: eax = socket ptr
		1742	; OUT: /
		1743	;
		1744	;-----------------------------------------------------------------
		1745
		1746	align 4
		1747	SOCKET_is_connected:
		1748
		1749
2402	hidnplayr	1750	and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING)
		1751	or [eax + SOCKET.options], SS_ISCONNECTED
1885	hidnplayr	1752
2402	hidnplayr	1753	jmp SOCKET_notify_owner
1885	hidnplayr	1754
		1755
		1756
		1757
		1758	;-----------------------------------------------------------------
		1759	;
1773	hidnplayr	1760	; SOCKET_is_disconnecting
		1761	;
		1762	; IN: eax = socket ptr
		1763	; OUT: /
		1764	;
		1765	;-----------------------------------------------------------------
		1766
		1767	align 4
		1768	SOCKET_is_disconnecting:
		1769
2402	hidnplayr	1770	and [eax + SOCKET.options], not (SS_ISCONNECTING)
		1771	or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE
1773	hidnplayr	1772
2402	hidnplayr	1773	jmp SOCKET_notify_owner
1773	hidnplayr	1774
		1775
		1776
		1777	;-----------------------------------------------------------------
		1778	;
		1779	; SOCKET_is_disconnected
		1780	;
		1781	; IN: eax = socket ptr
		1782	; OUT: /
		1783	;
		1784	;-----------------------------------------------------------------
		1785
		1786	align 4
		1787	SOCKET_is_disconnected:
		1788
2402	hidnplayr	1789	and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING)
		1790	or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE
1773	hidnplayr	1791
2402	hidnplayr	1792	jmp SOCKET_notify_owner
1774	hidnplayr	1793
		1794
		1795	;-----------------------------------------------------------------
		1796	;
		1797	; SOCKET_cant_recv_more
		1798	;
		1799	; IN: eax = socket ptr
		1800	; OUT: /
		1801	;
		1802	;-----------------------------------------------------------------
		1803
		1804	align 4
		1805	SOCKET_cant_recv_more:
		1806
2402	hidnplayr	1807	or [eax + SOCKET.options], SS_CANTRCVMORE
1885	hidnplayr	1808
2402	hidnplayr	1809	ret
1831	hidnplayr	1810
		1811
		1812
		1813	;-----------------------------------------------------------------
		1814	;
1885	hidnplayr	1815	; SOCKET_cant_send_more
1831	hidnplayr	1816	;
		1817	; IN: eax = socket ptr
		1818	; OUT: /
		1819	;
		1820	;-----------------------------------------------------------------
		1821
		1822	align 4
1885	hidnplayr	1823	SOCKET_cant_send_more:
1831	hidnplayr	1824
2402	hidnplayr	1825	or [eax + SOCKET.options], SS_CANTSENDMORE
1831	hidnplayr	1826
2402	hidnplayr	1827	ret

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(root)/kernel/branches/net/network/socket.inc @ 3514 – Rev 2572