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

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(root)/kernel/branches/net/network/socket.inc @ 2621 – Rev 2362