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: 2629 $
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
2614	hidnplayr	174	SOCKETBUFFSIZE = 4096 ; in bytes
1514	hidnplayr	175
2614	hidnplayr	176	SOCKET_QUEUE_SIZE = 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
2614	hidnplayr	178	SOCKET_QUEUE_LOCATION = (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	;-----------------------------------------------------------------
2614	hidnplayr	224	align 4
		225	sys_socket:
		226
		227	cmp ebx, 255
		228	jz SOCKET_debug
		229
		230	cmp ebx, .number
		231	ja s_error
		232	jmp dword [.table + 4*ebx]
		233
		234	.table:
2402	hidnplayr	235	dd SOCKET_open ; 0
		236	dd SOCKET_close ; 1
		237	dd SOCKET_bind ; 2
		238	dd SOCKET_listen ; 3
		239	dd SOCKET_connect ; 4
		240	dd SOCKET_accept ; 5
		241	dd SOCKET_send ; 6
		242	dd SOCKET_receive ; 7
		243	dd SOCKET_set_opt ; 8
		244	dd SOCKET_get_opt ; 9
2614	hidnplayr	245	.number = ($ - .table) / 4 - 1
2301	hidnplayr	246
1529	hidnplayr	247	s_error:
2402	hidnplayr	248	DEBUGF 1,"socket error\n"
		249	mov dword [esp+32], -1
1529	hidnplayr	250
2402	hidnplayr	251	ret
1529	hidnplayr	252
1159	hidnplayr	253
2301	hidnplayr	254
1257	hidnplayr	255	;-----------------------------------------------------------------
1159	hidnplayr	256	;
		257	; SOCKET_open
		258	;
		259	; IN: domain in ecx
		260	; type in edx
1196	hidnplayr	261	; protocol in esi
1159	hidnplayr	262	; OUT: eax is socket num, -1 on error
		263	;
1257	hidnplayr	264	;-----------------------------------------------------------------
1206	hidnplayr	265	align 4
1514	hidnplayr	266	SOCKET_open:
1159	hidnplayr	267
2402	hidnplayr	268	DEBUGF 1,"SOCKET_open: domain: %u, type: %u protocol: %x\n", ecx, edx, esi
1159	hidnplayr	269
2402	hidnplayr	270	push ecx edx esi
		271	call SOCKET_alloc
		272	pop esi edx ecx
		273	jz s_error
1159	hidnplayr	274
2402	hidnplayr	275	mov [esp+32], edi ; return socketnumber
1542	hidnplayr	276
2402	hidnplayr	277	mov [eax + SOCKET.Domain], ecx
		278	mov [eax + SOCKET.Type], edx
		279	mov [eax + SOCKET.Protocol], esi
1159	hidnplayr	280
2402	hidnplayr	281	cmp ecx, AF_INET4
		282	jne .no_inet4
1529	hidnplayr	283
2402	hidnplayr	284	cmp edx, SOCK_DGRAM
		285	je .udp
1536	hidnplayr	286
2402	hidnplayr	287	cmp edx, SOCK_STREAM
		288	je .tcp
1529	hidnplayr	289
2402	hidnplayr	290	cmp edx, SOCK_RAW
		291	je .raw
1541	hidnplayr	292
1536	hidnplayr	293	.no_inet4:
2402	hidnplayr	294	ret
1536	hidnplayr	295
1542	hidnplayr	296	align 4
		297	.raw:
2402	hidnplayr	298	test esi, esi ; IP_PROTO_IP
		299	jz .ip
1529	hidnplayr	300
2402	hidnplayr	301	cmp esi, IP_PROTO_ICMP
		302	je .icmp
1529	hidnplayr	303
2402	hidnplayr	304	cmp esi, IP_PROTO_UDP
		305	je .udp
1533	hidnplayr	306
2402	hidnplayr	307	cmp esi, IP_PROTO_TCP
		308	je .tcp
1536	hidnplayr	309
2402	hidnplayr	310	ret
1159	hidnplayr	311
1542	hidnplayr	312	align 4
1536	hidnplayr	313	.udp:
2402	hidnplayr	314	mov [eax + SOCKET.Protocol], IP_PROTO_UDP
		315	mov [eax + SOCKET.snd_proc], SOCKET_send_udp
		316	mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
		317	ret
1529	hidnplayr	318
1542	hidnplayr	319	align 4
		320	.tcp:
2402	hidnplayr	321	mov [eax + SOCKET.Protocol], IP_PROTO_TCP
		322	mov [eax + SOCKET.snd_proc], SOCKET_send_tcp
		323	mov [eax + SOCKET.rcv_proc], SOCKET_receive_tcp
1838	hidnplayr	324
2612	hidnplayr	325	TCP_init_socket eax
2402	hidnplayr	326	ret
1529	hidnplayr	327
		328
1543	hidnplayr	329	align 4
		330	.ip:
2402	hidnplayr	331	mov [eax + SOCKET.snd_proc], SOCKET_send_ip
		332	mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
		333	ret
1541	hidnplayr	334
1542	hidnplayr	335
		336	align 4
1541	hidnplayr	337	.icmp:
2402	hidnplayr	338	mov [eax + SOCKET.snd_proc], SOCKET_send_icmp
		339	mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram
		340	ret
1541	hidnplayr	341
		342
		343
1257	hidnplayr	344	;-----------------------------------------------------------------
1159	hidnplayr	345	;
		346	; SOCKET_bind
		347	;
		348	; IN: socket number in ecx
		349	; pointer to sockaddr struct in edx
		350	; length of that struct in esi
		351	; OUT: 0 on success
		352	;
1257	hidnplayr	353	;-----------------------------------------------------------------
1206	hidnplayr	354	align 4
1514	hidnplayr	355	SOCKET_bind:
1159	hidnplayr	356
2402	hidnplayr	357	DEBUGF 1,"socket_bind: socknum: %u sockaddr: %x, length: %u\n", ecx, edx, esi
1159	hidnplayr	358
2402	hidnplayr	359	call SOCKET_num_to_ptr
		360	jz s_error
1159	hidnplayr	361
2402	hidnplayr	362	cmp esi, 2
		363	jb s_error
1159	hidnplayr	364
2402	hidnplayr	365	cmp word [edx], AF_INET4
		366	je .af_inet4
1159	hidnplayr	367
2402	hidnplayr	368	cmp word [edx], AF_UNIX
		369	je .af_unix
1249	hidnplayr	370
2402	hidnplayr	371	jmp s_error
1249	hidnplayr	372
		373	.af_unix:
2402	hidnplayr	374	; TODO: write code here
1249	hidnplayr	375
2402	hidnplayr	376	mov dword [esp+32], 0
		377	ret
1249	hidnplayr	378
1159	hidnplayr	379	.af_inet4:
		380
2402	hidnplayr	381	DEBUGF 1,"af_inet4\n"
1514	hidnplayr	382
2402	hidnplayr	383	cmp esi, 6
		384	jb s_error
1159	hidnplayr	385
2622	hidnplayr	386	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		387	je .udp
1159	hidnplayr	388
2622	hidnplayr	389	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		390	je .tcp
1159	hidnplayr	391
2622	hidnplayr	392	jmp s_error
		393
		394	.tcp:
		395	.udp:
		396
		397	mov ebx, [edx + 4] ; First, fill in the IP
		398	test ebx, ebx ; If IP is 0, use default
		399	jnz @f
		400	mov ebx, [NET_DEFAULT]
		401	mov ebx, [IP_LIST + 4*ebx]
		402	@@:
		403	mov [eax + IP_SOCKET.LocalIP], ebx
		404
		405	mov bx, [edx + 2] ; Now fill in the port if it's still available
		406	call SOCKET_check_port
		407	jz s_error ; ZF is set by socket_check_port, on error
		408
2402	hidnplayr	409	DEBUGF 1,"local ip: %u.%u.%u.%u\n",\
		410	[eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\
		411	[eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1
1159	hidnplayr	412
2402	hidnplayr	413	mov dword [esp+32], 0
		414	ret
1159	hidnplayr	415
		416
		417
		418
1257	hidnplayr	419	;-----------------------------------------------------------------
1159	hidnplayr	420	;
		421	; SOCKET_connect
		422	;
		423	; IN: socket number in ecx
		424	; pointer to sockaddr struct in edx
		425	; length of that struct in esi
		426	; OUT: 0 on success
		427	;
1257	hidnplayr	428	;-----------------------------------------------------------------
1159	hidnplayr	429	align 4
1514	hidnplayr	430	SOCKET_connect:
1159	hidnplayr	431
2402	hidnplayr	432	DEBUGF 1,"SOCKET_connect: socknum: %u sockaddr: %x, length: %u\n", ecx, edx, esi
1159	hidnplayr	433
2402	hidnplayr	434	call SOCKET_num_to_ptr
		435	jz s_error
1159	hidnplayr	436
2402	hidnplayr	437	cmp esi, 8
		438	jb s_error
1159	hidnplayr	439
2402	hidnplayr	440	cmp word [edx], AF_INET4
		441	je .af_inet4
1159	hidnplayr	442
2402	hidnplayr	443	jmp s_error
1159	hidnplayr	444
		445	.af_inet4:
2402	hidnplayr	446	cmp [eax + IP_SOCKET.LocalIP], 0
		447	jne @f
		448	push [IP_LIST]
		449	pop [eax + IP_SOCKET.LocalIP]
1543	hidnplayr	450	@@:
1159	hidnplayr	451
2402	hidnplayr	452	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		453	je .udp
1159	hidnplayr	454
2402	hidnplayr	455	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		456	je .tcp
1159	hidnplayr	457
2402	hidnplayr	458	cmp [eax + SOCKET.Protocol], IP_PROTO_IP
		459	je .ip
1541	hidnplayr	460
2402	hidnplayr	461	cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP
		462	je .ip
1542	hidnplayr	463
2402	hidnplayr	464	jmp s_error
1159	hidnplayr	465
1542	hidnplayr	466	align 4
1254	hidnplayr	467	.udp:
2402	hidnplayr	468	pusha
		469	lea ecx, [eax + SOCKET.mutex]
		470	call mutex_lock
		471	popa
1543	hidnplayr	472
2402	hidnplayr	473	pushw [edx + 2]
		474	pop [eax + UDP_SOCKET.RemotePort]
1543	hidnplayr	475
2402	hidnplayr	476	pushd [edx + 4]
		477	pop [eax + IP_SOCKET.RemoteIP]
1543	hidnplayr	478
2402	hidnplayr	479	cmp [eax + UDP_SOCKET.LocalPort], 0
		480	jne @f
		481	call SOCKET_find_port
1543	hidnplayr	482	@@:
		483
2402	hidnplayr	484	mov [eax + UDP_SOCKET.firstpacket], 0
1159	hidnplayr	485
2402	hidnplayr	486	push eax
		487	init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
		488	pop eax
1159	hidnplayr	489
2402	hidnplayr	490	lea ecx, [eax + SOCKET.mutex]
		491	call mutex_unlock
1159	hidnplayr	492
2402	hidnplayr	493	mov dword [esp+32], 0
		494	ret
		495
1542	hidnplayr	496	align 4
1254	hidnplayr	497	.tcp:
2402	hidnplayr	498	pusha
		499	lea ecx, [eax + SOCKET.mutex]
		500	call mutex_lock
		501	popa
1159	hidnplayr	502
2402	hidnplayr	503	pushw [edx + 2]
		504	pop [eax + TCP_SOCKET.RemotePort]
1159	hidnplayr	505
2402	hidnplayr	506	pushd [edx + 4]
		507	pop [eax + IP_SOCKET.RemoteIP]
1159	hidnplayr	508
2402	hidnplayr	509	cmp [eax + TCP_SOCKET.LocalPort], 0
		510	jne @f
		511	call SOCKET_find_port
1543	hidnplayr	512	@@:
1159	hidnplayr	513
2402	hidnplayr	514	mov [eax + TCP_SOCKET.timer_persist], 0
		515	mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT
2612	hidnplayr	516
2402	hidnplayr	517	push [TCP_sequence_num]
		518	add [TCP_sequence_num], 6400
		519	pop [eax + TCP_SOCKET.ISS]
		520	mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init
1519	hidnplayr	521
2612	hidnplayr	522
2402	hidnplayr	523	TCP_sendseqinit eax
1529	hidnplayr	524
1543	hidnplayr	525	; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer
1533	hidnplayr	526
2402	hidnplayr	527	mov ebx, eax
1159	hidnplayr	528
2402	hidnplayr	529	lea eax, [ebx + STREAM_SOCKET.snd]
		530	call SOCKET_ring_create
1543	hidnplayr	531
2402	hidnplayr	532	lea eax, [ebx + STREAM_SOCKET.rcv]
		533	call SOCKET_ring_create
1543	hidnplayr	534
2402	hidnplayr	535	pusha
2403	hidnplayr	536	lea ecx, [eax + SOCKET.mutex]
2402	hidnplayr	537	call mutex_unlock
		538	popa
1733	hidnplayr	539
2402	hidnplayr	540	mov eax, ebx
		541	call TCP_output
1733	hidnplayr	542
2402	hidnplayr	543	mov dword [esp+32], 0
		544	ret
1159	hidnplayr	545
1542	hidnplayr	546	align 4
		547	.ip:
2402	hidnplayr	548	pusha
		549	lea ecx, [eax + SOCKET.mutex]
		550	call mutex_lock
		551	popa
1543	hidnplayr	552
2402	hidnplayr	553	pushd [edx + 4]
		554	pop [eax + IP_SOCKET.RemoteIP]
1159	hidnplayr	555
2402	hidnplayr	556	push eax
		557	init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
		558	pop eax
1543	hidnplayr	559
2402	hidnplayr	560	lea ecx, [eax + SOCKET.mutex]
		561	call mutex_unlock
1541	hidnplayr	562
2402	hidnplayr	563	mov dword [esp+32], 0
		564	ret
1541	hidnplayr	565
2402	hidnplayr	566
1257	hidnplayr	567	;-----------------------------------------------------------------
1159	hidnplayr	568	;
		569	; SOCKET_listen
		570	;
		571	; IN: socket number in ecx
		572	; backlog in edx
		573	; OUT: eax is socket num, -1 on error
		574	;
1257	hidnplayr	575	;-----------------------------------------------------------------
1206	hidnplayr	576	align 4
1514	hidnplayr	577	SOCKET_listen:
1159	hidnplayr	578
2402	hidnplayr	579	DEBUGF 1,"SOCKET_listen: socknum: %u backlog: %u\n", ecx, edx
1159	hidnplayr	580
2402	hidnplayr	581	call SOCKET_num_to_ptr
		582	jz s_error
1159	hidnplayr	583
2402	hidnplayr	584	cmp [eax + SOCKET.Domain], AF_INET4
		585	jne s_error
1254	hidnplayr	586
2402	hidnplayr	587	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		588	jne s_error
1254	hidnplayr	589
2402	hidnplayr	590	cmp [eax + TCP_SOCKET.LocalPort], 0
		591	je s_error
1514	hidnplayr	592
2402	hidnplayr	593	cmp [eax + IP_SOCKET.LocalIP], 0
		594	jne @f
		595	push [IP_LIST]
		596	pop [eax + IP_SOCKET.LocalIP]
1543	hidnplayr	597	@@:
		598
2402	hidnplayr	599	cmp edx, MAX_backlog
		600	jbe @f
		601	mov edx, MAX_backlog
1543	hidnplayr	602	@@:
1159	hidnplayr	603
2402	hidnplayr	604	mov [eax + SOCKET.backlog], dx
		605	or [eax + SOCKET.options], SO_ACCEPTCON
		606	mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN
1159	hidnplayr	607
2402	hidnplayr	608	push eax
		609	init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue
		610	pop eax
1543	hidnplayr	611
2402	hidnplayr	612	mov dword [esp+32], 0
1514	hidnplayr	613
2402	hidnplayr	614	ret
1159	hidnplayr	615
		616
1257	hidnplayr	617	;-----------------------------------------------------------------
1159	hidnplayr	618	;
		619	; SOCKET_accept
		620	;
		621	; IN: socket number in ecx
		622	; addr in edx
		623	; addrlen in esi
		624	; OUT: eax is socket num, -1 on error
		625	;
1257	hidnplayr	626	;-----------------------------------------------------------------
1206	hidnplayr	627	align 4
1514	hidnplayr	628	SOCKET_accept:
1159	hidnplayr	629
2402	hidnplayr	630	DEBUGF 1,"SOCKET_accept: socknum: %u sockaddr: %x, length: %u\n", ecx, edx, esi
1159	hidnplayr	631
2402	hidnplayr	632	call SOCKET_num_to_ptr
		633	jz s_error
1159	hidnplayr	634
2402	hidnplayr	635	test [eax + SOCKET.options], SO_ACCEPTCON
		636	jz s_error
1543	hidnplayr	637
2402	hidnplayr	638	cmp [eax + SOCKET.Domain], AF_INET4
		639	jne s_error
1249	hidnplayr	640
2402	hidnplayr	641	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		642	jne s_error
1249	hidnplayr	643
2402	hidnplayr	644	get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, s_error
2572	hidnplayr	645	mov eax, [esi]
1249	hidnplayr	646
2572	hidnplayr	647	; Change PID to that of the current process
		648	mov ebx, [TASK_BASE]
		649	mov ebx, [ebx + TASKDATA.pid]
		650	mov [eax + SOCKET.PID], ebx
		651
2402	hidnplayr	652	call SOCKET_ptr_to_num
		653	jz s_error
		654	mov [esp+32], eax
		655	ret
1514	hidnplayr	656
1159	hidnplayr	657
1257	hidnplayr	658	;-----------------------------------------------------------------
1159	hidnplayr	659	;
		660	; SOCKET_close
		661	;
		662	; IN: socket number in ecx
		663	; OUT: eax is socket num, -1 on error
		664	;
1257	hidnplayr	665	;-----------------------------------------------------------------
1206	hidnplayr	666	align 4
1514	hidnplayr	667	SOCKET_close:
1159	hidnplayr	668
2402	hidnplayr	669	DEBUGF 1,"SOCKET_close: socknum: %u\n", ecx
1159	hidnplayr	670
2402	hidnplayr	671	call SOCKET_num_to_ptr
		672	jz s_error
1159	hidnplayr	673
2402	hidnplayr	674	cmp [eax + SOCKET.Domain], AF_INET4
		675	jne s_error
1159	hidnplayr	676
2402	hidnplayr	677	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		678	je .free
1159	hidnplayr	679
2402	hidnplayr	680	cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP
		681	je .free
1159	hidnplayr	682
2402	hidnplayr	683	cmp [eax + SOCKET.Protocol], IP_PROTO_IP
		684	je .free
1542	hidnplayr	685
2402	hidnplayr	686	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		687	je .tcp
1159	hidnplayr	688
2402	hidnplayr	689	jmp s_error
1159	hidnplayr	690
		691	.tcp:
2402	hidnplayr	692	cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED
		693	jb .free
1318	hidnplayr	694
2541	hidnplayr	695	call TCP_drop
2402	hidnplayr	696	mov dword [esp+32], 0
1159	hidnplayr	697
2402	hidnplayr	698	ret
1159	hidnplayr	699
1514	hidnplayr	700	.free:
2402	hidnplayr	701	call SOCKET_free
		702	mov dword [esp+32], 0
1159	hidnplayr	703
2402	hidnplayr	704	ret
1159	hidnplayr	705
		706
1257	hidnplayr	707	;-----------------------------------------------------------------
1159	hidnplayr	708	;
		709	; SOCKET_receive
		710	;
		711	; IN: socket number in ecx
1249	hidnplayr	712	; addr to buffer in edx
		713	; length of buffer in esi
1159	hidnplayr	714	; flags in edi
		715	; OUT: eax is number of bytes copied, -1 on error
		716	;
1257	hidnplayr	717	;-----------------------------------------------------------------
1206	hidnplayr	718	align 4
1514	hidnplayr	719	SOCKET_receive:
1159	hidnplayr	720
2402	hidnplayr	721	DEBUGF 1,"SOCKET_receive: socknum: %u bufaddr: %x, buflength: %u, flags: %x, ", ecx, edx, esi, edi
1514	hidnplayr	722
2402	hidnplayr	723	call SOCKET_num_to_ptr
		724	jz s_error
1159	hidnplayr	725
2402	hidnplayr	726	jmp [eax + SOCKET.rcv_proc]
1533	hidnplayr	727
1536	hidnplayr	728
		729	align 4
1541	hidnplayr	730	SOCKET_receive_dgram:
1536	hidnplayr	731
2402	hidnplayr	732	DEBUGF 1,"SOCKET_receive: DGRAM\n"
1536	hidnplayr	733
2402	hidnplayr	734	mov ebx, esi
		735	mov edi, edx ; addr to buffer
1159	hidnplayr	736
2402	hidnplayr	737	get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, s_error ; destroys esi and ecx
1536	hidnplayr	738
2402	hidnplayr	739	mov ecx, [esi + socket_queue_entry.data_size]
		740	DEBUGF 1,"Got %u bytes of data\n", ecx
1159	hidnplayr	741
2402	hidnplayr	742	cmp ecx, ebx
		743	ja .too_small
1514	hidnplayr	744
2402	hidnplayr	745	push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later
		746	mov esi, [esi + socket_queue_entry.data_ptr]
		747	DEBUGF 1,"Source buffer: %x, real addr: %x\n", [esp], esi
		748	mov [esp+32+4], ecx ; return number of bytes copied
1159	hidnplayr	749
1514	hidnplayr	750	; copy the data
2402	hidnplayr	751	shr ecx, 1
		752	jnc .nb
		753	movsb
1536	hidnplayr	754	.nb:
2402	hidnplayr	755	shr ecx, 1
		756	jnc .nw
		757	movsw
1536	hidnplayr	758	.nw:
2402	hidnplayr	759	test ecx, ecx
		760	jz .nd
		761	rep movsd
1536	hidnplayr	762	.nd:
1159	hidnplayr	763
2402	hidnplayr	764	call kernel_free ; remove the packet
		765	ret
1514	hidnplayr	766
1536	hidnplayr	767	.too_small:
1533	hidnplayr	768
2402	hidnplayr	769	DEBUGF 1,"Buffer too small...\n"
		770	jmp s_error
1536	hidnplayr	771
		772	align 4
		773	SOCKET_receive_tcp:
		774
2402	hidnplayr	775	DEBUGF 1,"SOCKET_receive: TCP\n"
1536	hidnplayr	776
2402	hidnplayr	777	mov ecx, esi
		778	mov edi, edx
		779	add eax, STREAM_SOCKET.rcv
		780	call SOCKET_ring_read
		781	call SOCKET_ring_free
1533	hidnplayr	782
2402	hidnplayr	783	mov [esp+32], ecx ; return number of bytes copied
1533	hidnplayr	784
2402	hidnplayr	785	ret
1159	hidnplayr	786
		787
1257	hidnplayr	788	;-----------------------------------------------------------------
1159	hidnplayr	789	;
		790	; SOCKET_send
		791	;
		792	;
		793	; IN: socket number in ecx
1206	hidnplayr	794	; pointer to data in edx
		795	; datalength in esi
1159	hidnplayr	796	; flags in edi
		797	; OUT: -1 on error
		798	;
1257	hidnplayr	799	;-----------------------------------------------------------------
1206	hidnplayr	800	align 4
1514	hidnplayr	801	SOCKET_send:
1159	hidnplayr	802
2402	hidnplayr	803	DEBUGF 1,"SOCKET_send: socknum: %u data ptr: %x, length: %u, flags: %x, ", ecx, edx, esi, edi
1159	hidnplayr	804
2402	hidnplayr	805	call SOCKET_num_to_ptr
		806	jz s_error
1159	hidnplayr	807
2402	hidnplayr	808	mov ecx, esi
		809	mov esi, edx
1763	hidnplayr	810
2402	hidnplayr	811	jmp [eax + SOCKET.snd_proc]
1206	hidnplayr	812
		813
1536	hidnplayr	814	align 4
		815	SOCKET_send_udp:
1529	hidnplayr	816
2402	hidnplayr	817	DEBUGF 1,"SOCKET_send: UDP\n"
1159	hidnplayr	818
2573	hidnplayr	819	mov [esp+32], ecx
2402	hidnplayr	820	call UDP_output
2573	hidnplayr	821	cmp eax, -1
		822	je s_error
2402	hidnplayr	823	ret
1159	hidnplayr	824
		825
1536	hidnplayr	826	align 4
		827	SOCKET_send_tcp:
1254	hidnplayr	828
2402	hidnplayr	829	DEBUGF 1,"SOCKET_send: TCP\n"
1254	hidnplayr	830
2402	hidnplayr	831	push eax
		832	add eax, STREAM_SOCKET.snd
		833	call SOCKET_ring_write
		834	pop eax
1536	hidnplayr	835
2621	hidnplayr	836	mov [esp+32], ecx
		837
2402	hidnplayr	838	call TCP_output
		839	ret
1159	hidnplayr	840
1249	hidnplayr	841
1543	hidnplayr	842	align 4
		843	SOCKET_send_ip:
1249	hidnplayr	844
2402	hidnplayr	845	DEBUGF 1,"type: IP\n"
1543	hidnplayr	846
2573	hidnplayr	847	mov [esp+32], ecx
2402	hidnplayr	848	call IPv4_output_raw
2573	hidnplayr	849	cmp eax, -1
		850	je s_error
2402	hidnplayr	851	ret
1543	hidnplayr	852
2573	hidnplayr	853
1541	hidnplayr	854	align 4
		855	SOCKET_send_icmp:
1249	hidnplayr	856
2402	hidnplayr	857	DEBUGF 1,"SOCKET_send: ICMP\n"
1541	hidnplayr	858
2573	hidnplayr	859	mov [esp+32], ecx
2402	hidnplayr	860	call ICMP_output_raw
2573	hidnplayr	861	cmp eax, -1
		862	je s_error
2402	hidnplayr	863	ret
1541	hidnplayr	864
		865
		866
		867
1257	hidnplayr	868	;-----------------------------------------------------------------
1256	clevermous	869	;
1257	hidnplayr	870	; SOCKET_get_options
1256	clevermous	871	;
1514	hidnplayr	872	; IN: ecx = socket number
		873	; edx = pointer to the options:
1257	hidnplayr	874	; dd level, optname, optval, optlen
1256	clevermous	875	; OUT: -1 on error
		876	;
		877	; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP.
		878	; TODO: find best way to notify that send()'ed data were acknowledged
1831	hidnplayr	879	; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*.
1256	clevermous	880	;
1257	hidnplayr	881	;-----------------------------------------------------------------
		882	align 4
1514	hidnplayr	883	SOCKET_get_opt:
1257	hidnplayr	884
2402	hidnplayr	885	DEBUGF 1,"SOCKET_get_opt\n"
1514	hidnplayr	886
2402	hidnplayr	887	call SOCKET_num_to_ptr
		888	jz s_error
1514	hidnplayr	889
2402	hidnplayr	890	cmp dword [edx], IP_PROTO_TCP
		891	jne s_error
		892	cmp dword [edx+4], -2
		893	je @f
		894	cmp dword [edx+4], -3
		895	jne s_error
1299	clevermous	896	@@:
1514	hidnplayr	897	; mov eax, [edx+12]
		898	; test eax, eax
		899	; jz .fail
		900	; cmp dword [eax], 4
		901	; mov dword [eax], 4
		902	; jb .fail
		903	; stdcall net_socket_num_to_addr, ecx
		904	; test eax, eax
		905	; jz .fail
		906	; ; todo: check that eax is really TCP socket
		907	; mov ecx, [eax + TCP_SOCKET.last_ack_number]
		908	; cmp dword [edx+4], -2
		909	; jz @f
		910	; mov ecx, [eax + TCP_SOCKET.state]
1299	clevermous	911	@@:
2402	hidnplayr	912	mov eax, [edx+8]
		913	test eax, eax
		914	jz @f
		915	mov [eax], ecx
1256	clevermous	916	@@:
2402	hidnplayr	917	mov dword [esp+32], 0
		918	ret
1159	hidnplayr	919
		920
1529	hidnplayr	921
1542	hidnplayr	922
		923	align 4
		924	SOCKET_set_opt:
		925
2402	hidnplayr	926	ret
1542	hidnplayr	927
		928
		929
1257	hidnplayr	930	;-----------------------------------------------------------------
1206	hidnplayr	931	;
1529	hidnplayr	932	; SOCKET_debug
		933	;
		934	; Copies socket variables to application buffer
		935	;
		936	; IN: ecx = socket number
		937	; edx = pointer to buffer
		938	;
		939	; OUT: -1 on error
		940	;-----------------------------------------------------------------
		941	align 4
		942	SOCKET_debug:
		943
2402	hidnplayr	944	DEBUGF 1,"socket_debug\n"
1529	hidnplayr	945
2402	hidnplayr	946	call SOCKET_num_to_ptr
		947	jz s_error
1529	hidnplayr	948
2402	hidnplayr	949	mov esi, eax
		950	mov edi, edx
		951	mov ecx, SOCKETBUFFSIZE/4
		952	rep movsd
1529	hidnplayr	953
2402	hidnplayr	954	mov dword [esp+32], 0
		955	ret
1529	hidnplayr	956
		957
		958	;-----------------------------------------------------------------
		959	;
1514	hidnplayr	960	; SOCKET_find_port
1206	hidnplayr	961	;
1514	hidnplayr	962	; Fills in the local port number for TCP and UDP sockets
		963	; This procedure always works because the number of sockets is
		964	; limited to a smaller number then the number of possible ports
1206	hidnplayr	965	;
1514	hidnplayr	966	; IN: eax = socket pointer
		967	; OUT: /
1206	hidnplayr	968	;
1257	hidnplayr	969	;-----------------------------------------------------------------
1206	hidnplayr	970	align 4
1514	hidnplayr	971	SOCKET_find_port:
1159	hidnplayr	972
2402	hidnplayr	973	DEBUGF 1,"SOCKET_find_port\n"
1159	hidnplayr	974
2402	hidnplayr	975	push ebx esi ecx
1514	hidnplayr	976
2402	hidnplayr	977	cmp [eax + SOCKET.Protocol], IP_PROTO_UDP
		978	je .udp
1159	hidnplayr	979
2402	hidnplayr	980	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		981	je .tcp
1159	hidnplayr	982
2402	hidnplayr	983	jmp .error
1514	hidnplayr	984
		985	.done:
2402	hidnplayr	986	mov [eax + UDP_SOCKET.LocalPort], bx
1514	hidnplayr	987	.error:
2402	hidnplayr	988	pop ecx esi ebx
		989	ret
1514	hidnplayr	990
1206	hidnplayr	991	.udp:
2402	hidnplayr	992	mov bx, [last_UDP_port]
		993	call .findit
		994	mov [last_UDP_port], bx
		995	jmp .done
1206	hidnplayr	996
		997	.tcp:
2402	hidnplayr	998	mov bx, [last_TCP_port]
		999	call .findit
		1000	mov [last_TCP_port], bx
		1001	jmp .done
1206	hidnplayr	1002
		1003
1514	hidnplayr	1004	.restart:
2402	hidnplayr	1005	mov bx, MIN_EPHEMERAL_PORT
1514	hidnplayr	1006	.findit:
2402	hidnplayr	1007	inc bx
1206	hidnplayr	1008
2402	hidnplayr	1009	cmp bx, MAX_EPHEMERAL_PORT
		1010	jz .restart
1206	hidnplayr	1011
2402	hidnplayr	1012	call SOCKET_check_port
		1013	jz .findit
1206	hidnplayr	1014
2402	hidnplayr	1015	ret
1206	hidnplayr	1016
1257	hidnplayr	1017
		1018
		1019	;-----------------------------------------------------------------
1206	hidnplayr	1020	;
1542	hidnplayr	1021	; SOCKET_check_port (to be used with AF_INET only!)
1206	hidnplayr	1022	;
1514	hidnplayr	1023	; Checks if a local port number is unused
		1024	; If the proposed port number is unused, it is filled in in the socket structure
1206	hidnplayr	1025	;
1514	hidnplayr	1026	; IN: eax = socket ptr (to find out if its a TCP/UDP socket)
		1027	; bx = proposed socket number
1206	hidnplayr	1028	;
1514	hidnplayr	1029	; OUT: ZF = cleared on error
		1030	;
1257	hidnplayr	1031	;-----------------------------------------------------------------
1206	hidnplayr	1032	align 4
1514	hidnplayr	1033	SOCKET_check_port:
		1034
2402	hidnplayr	1035	DEBUGF 1,"SOCKET_check_port\n"
1514	hidnplayr	1036
2402	hidnplayr	1037	mov ecx, [eax + SOCKET.Protocol]
2622	hidnplayr	1038	mov edx, [eax + IP_SOCKET.LocalIP]
2402	hidnplayr	1039	mov esi, net_sockets
1206	hidnplayr	1040
		1041	.next_socket:
2402	hidnplayr	1042	mov esi, [esi + SOCKET.NextPtr]
		1043	or esi, esi
		1044	jz .port_ok
1206	hidnplayr	1045
2402	hidnplayr	1046	cmp [esi + SOCKET.Protocol], ecx
		1047	jne .next_socket
1206	hidnplayr	1048
2622	hidnplayr	1049	cmp [esi + IP_SOCKET.LocalIP], edx
		1050	jne .next_socket
		1051
2402	hidnplayr	1052	cmp [esi + UDP_SOCKET.LocalPort], bx
		1053	jne .next_socket
1206	hidnplayr	1054
2402	hidnplayr	1055	DEBUGF 1,"local port %u already in use\n", bx
		1056	ret
1206	hidnplayr	1057
		1058	.port_ok:
2402	hidnplayr	1059	mov [eax + UDP_SOCKET.LocalPort], bx
		1060	or bx, bx ; set the zero-flag
1514	hidnplayr	1061
2402	hidnplayr	1062	ret
1206	hidnplayr	1063
		1064
1257	hidnplayr	1065
		1066	;-----------------------------------------------------------------
1206	hidnplayr	1067	;
1514	hidnplayr	1068	; SOCKET_input
1206	hidnplayr	1069	;
1536	hidnplayr	1070	; Updates a (stateless) socket with received data
1206	hidnplayr	1071	;
1514	hidnplayr	1072	; Note: the mutex should already be set !
1206	hidnplayr	1073	;
1249	hidnplayr	1074	; IN: eax = socket ptr
1514	hidnplayr	1075	; ebx = pointer to device struct
		1076	; ecx = data size
		1077	; esi = ptr to data
		1078	; [esp] = ptr to buf
		1079	; [esp + 4] = buf size
1249	hidnplayr	1080	;
1514	hidnplayr	1081	; OUT: /
1206	hidnplayr	1082	;
1257	hidnplayr	1083	;-----------------------------------------------------------------
1206	hidnplayr	1084	align 4
1514	hidnplayr	1085	SOCKET_input:
1206	hidnplayr	1086
2402	hidnplayr	1087	DEBUGF 1,"SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx
1206	hidnplayr	1088
2402	hidnplayr	1089	mov [esp+4], ecx
		1090	push esi
		1091	mov esi, esp
1514	hidnplayr	1092
2402	hidnplayr	1093	add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full
1514	hidnplayr	1094
2402	hidnplayr	1095	DEBUGF 1,"SOCKET_input: queued packet successfully\n"
		1096	add esp, sizeof.socket_queue_entry
1206	hidnplayr	1097
2402	hidnplayr	1098	pusha
		1099	lea ecx, [eax + SOCKET.mutex]
		1100	call mutex_unlock
		1101	popa
		1102
		1103	jmp SOCKET_notify_owner
		1104
1514	hidnplayr	1105	.full:
2402	hidnplayr	1106	DEBUGF 2,"SOCKET_input: socket %x is full!\n", eax
1206	hidnplayr	1107
2402	hidnplayr	1108	pusha
		1109	lea ecx, [eax + SOCKET.mutex]
		1110	call mutex_unlock
		1111	popa
1514	hidnplayr	1112
2402	hidnplayr	1113	call kernel_free
		1114	add esp, 8
1533	hidnplayr	1115
2402	hidnplayr	1116	ret
		1117
		1118
1533	hidnplayr	1119	;--------------------------
		1120	;
		1121	; eax = ptr to ring struct (just a buffer of the right size)
		1122	;
		1123	align 4
		1124	SOCKET_ring_create:
		1125
2402	hidnplayr	1126	push esi
		1127	mov esi, eax
1543	hidnplayr	1128
2402	hidnplayr	1129	push edx
		1130	stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW
		1131	pop edx
1533	hidnplayr	1132
2402	hidnplayr	1133	DEBUGF 1,"SOCKET_ring_created: %x\n", eax
		1134	mov [esi + RING_BUFFER.start_ptr], eax
		1135	mov [esi + RING_BUFFER.write_ptr], eax
		1136	mov [esi + RING_BUFFER.read_ptr], eax
		1137	mov [esi + RING_BUFFER.size], 0
		1138	add eax, SOCKET_MAXDATA
		1139	mov [esi + RING_BUFFER.end_ptr], eax
		1140	mov eax, esi
		1141	pop esi
1533	hidnplayr	1142
2402	hidnplayr	1143	ret
1533	hidnplayr	1144
1514	hidnplayr	1145	;-----------------------------------------------------------------
		1146	;
1533	hidnplayr	1147	; SOCKET_ring_write
1529	hidnplayr	1148	;
1533	hidnplayr	1149	; Adds data to a stream socket, and updates write pointer and size
1529	hidnplayr	1150	;
		1151	; IN: eax = ptr to ring struct
		1152	; ecx = data size
		1153	; esi = ptr to data
		1154	;
1533	hidnplayr	1155	; OUT: ecx = number of bytes stored
1529	hidnplayr	1156	;
		1157	;-----------------------------------------------------------------
		1158	align 4
1533	hidnplayr	1159	SOCKET_ring_write:
1529	hidnplayr	1160
2402	hidnplayr	1161	DEBUGF 1,"SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx
1529	hidnplayr	1162
2402	hidnplayr	1163	add [eax + RING_BUFFER.size], ecx
2573	hidnplayr	1164	jc .way_too_large
2402	hidnplayr	1165	cmp [eax + RING_BUFFER.size], SOCKET_MAXDATA
		1166	ja .too_large
1529	hidnplayr	1167
		1168	.copy:
2402	hidnplayr	1169	mov edi, [eax + RING_BUFFER.write_ptr]
		1170	DEBUGF 2,"SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi
1529	hidnplayr	1171
2402	hidnplayr	1172	push ecx
		1173	shr ecx, 1
		1174	jnc .nb
		1175	movsb
1536	hidnplayr	1176	.nb:
2402	hidnplayr	1177	shr ecx, 1
		1178	jnc .nw
		1179	movsw
1536	hidnplayr	1180	.nw:
2402	hidnplayr	1181	test ecx, ecx
		1182	jz .nd
		1183	rep movsd
1536	hidnplayr	1184	.nd:
2402	hidnplayr	1185	pop ecx
1529	hidnplayr	1186
2402	hidnplayr	1187	cmp edi, [eax + RING_BUFFER.end_ptr]
		1188	jae .wrap
		1189	mov [eax + RING_BUFFER.write_ptr], edi
1533	hidnplayr	1190
2402	hidnplayr	1191	ret
1529	hidnplayr	1192
1533	hidnplayr	1193	.wrap:
2402	hidnplayr	1194	sub edi, SOCKET_MAXDATA
		1195	mov [eax + RING_BUFFER.write_ptr], edi
1533	hidnplayr	1196
2402	hidnplayr	1197	ret
1533	hidnplayr	1198
2404	hidnplayr	1199	.too_large: ; update size, we will fill buffer completely
		1200	sub [eax + RING_BUFFER.size], SOCKET_MAXDATA
2402	hidnplayr	1201	sub ecx, [eax + RING_BUFFER.size]
2404	hidnplayr	1202	mov [eax + RING_BUFFER.size], SOCKET_MAXDATA
2573	hidnplayr	1203	ja .copy
1529	hidnplayr	1204
2573	hidnplayr	1205	.full:
2402	hidnplayr	1206	DEBUGF 2,"SOCKET_ring_write: ring buffer is full!\n"
		1207	xor ecx, ecx
		1208	ret
1529	hidnplayr	1209
2573	hidnplayr	1210	.way_too_large:
		1211	sub [eax + RING_BUFFER.size], ecx
		1212	mov ecx, SOCKET_MAXDATA
		1213	sub ecx, [eax + RING_BUFFER.size]
		1214	ja .copy
		1215	jmp .full
1529	hidnplayr	1216
2573	hidnplayr	1217
		1218
1529	hidnplayr	1219	;-----------------------------------------------------------------
		1220	;
		1221	; SOCKET_ring_read
		1222	;
1533	hidnplayr	1223	; reads the data, BUT DOES NOT CLEAR IT FROM MEMORY YET
1529	hidnplayr	1224	;
		1225	; IN: eax = ptr to ring struct
		1226	; ecx = buffer size
		1227	; edi = ptr to buffer
		1228	;
1533	hidnplayr	1229	; OUT: ecx = number of bytes read
1529	hidnplayr	1230	;
		1231	;-----------------------------------------------------------------
		1232	align 4
		1233	SOCKET_ring_read:
		1234
2402	hidnplayr	1235	DEBUGF 1,"SOCKET_ring_read: ringbuff=%x ptr=%x size=%u\n", eax, edi, ecx
1529	hidnplayr	1236
2402	hidnplayr	1237	cmp ecx, [eax + RING_BUFFER.size]
		1238	ja .less_data
1529	hidnplayr	1239
		1240	.copy:
2402	hidnplayr	1241	mov esi, [eax + RING_BUFFER.read_ptr]
1529	hidnplayr	1242
2402	hidnplayr	1243	DEBUGF 2,"SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi
		1244	push ecx
		1245	shr ecx, 1
		1246	jnc .nb
		1247	movsb
1536	hidnplayr	1248	.nb:
2402	hidnplayr	1249	shr ecx, 1
		1250	jnc .nw
		1251	movsw
1536	hidnplayr	1252	.nw:
2402	hidnplayr	1253	test ecx, ecx
		1254	jz .nd
		1255	rep movsd
1536	hidnplayr	1256	.nd:
2402	hidnplayr	1257	pop ecx
1529	hidnplayr	1258
1830	hidnplayr	1259	.no_data_at_all:
2402	hidnplayr	1260	ret
1529	hidnplayr	1261
1533	hidnplayr	1262	.less_data:
2402	hidnplayr	1263	mov ecx, [eax + RING_BUFFER.size]
1830	hidnplayr	1264	; test ecx, ecx
1533	hidnplayr	1265	; jz .no_data_at_all
2402	hidnplayr	1266	jmp .copy
1529	hidnplayr	1267
		1268
		1269	;-----------------------------------------------------------------
		1270	;
		1271	; SOCKET_ring_free
		1272	;
		1273	; Free's some bytes from the ringbuffer
		1274	;
		1275	; IN: eax = ptr to ring struct
		1276	; ecx = data size
		1277	;
		1278	; OUT: ecx = number of bytes free-ed
		1279	;
		1280	;-----------------------------------------------------------------
		1281	align 4
		1282	SOCKET_ring_free:
		1283
2402	hidnplayr	1284	DEBUGF 1,"SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax
1529	hidnplayr	1285
2402	hidnplayr	1286	sub [eax + RING_BUFFER.size], ecx
		1287	jb .sumthinwong
		1288	add [eax + RING_BUFFER.read_ptr], ecx
1529	hidnplayr	1289
2402	hidnplayr	1290	mov edx, [eax + RING_BUFFER.end_ptr]
		1291	cmp [eax + RING_BUFFER.read_ptr], edx
		1292	jb @f
		1293	sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA
1529	hidnplayr	1294	@@:
2402	hidnplayr	1295	ret
1529	hidnplayr	1296
2402	hidnplayr	1297	.sumthinwong: ; we could free all available bytes, but that would be stupid, i guess..
		1298	add [eax + RING_BUFFER.size], ecx
		1299	xor ecx, ecx
		1300	ret
1529	hidnplayr	1301
		1302
		1303	;-----------------------------------------------------------------
		1304	;
1514	hidnplayr	1305	; SOCKET_notify_owner
		1306	;
		1307	; notify's the owner of a socket that something happened
		1308	;
		1309	; IN: eax = socket ptr
		1310	; OUT: /
		1311	;
		1312	;-----------------------------------------------------------------
		1313	align 4
		1314	SOCKET_notify_owner:
		1315
2402	hidnplayr	1316	DEBUGF 1,"SOCKET_notify_owner: %x\n", eax
1514	hidnplayr	1317
2402	hidnplayr	1318	call SOCKET_check
		1319	jz .error
1514	hidnplayr	1320
2402	hidnplayr	1321	push eax ecx esi
1514	hidnplayr	1322
		1323	; socket exists, now try to flag an event to the application
		1324
2402	hidnplayr	1325	mov eax, [eax + SOCKET.PID]
2629	hidnplayr	1326	test eax, eax
		1327	jz .error2
2402	hidnplayr	1328	mov ecx, 1
		1329	mov esi, TASK_DATA + TASKDATA.pid
1206	hidnplayr	1330
		1331	.next_pid:
2402	hidnplayr	1332	cmp [esi], eax
		1333	je .found_pid
		1334	inc ecx
		1335	add esi, 0x20
		1336	cmp ecx, [TASK_COUNT]
		1337	jbe .next_pid
1206	hidnplayr	1338
1514	hidnplayr	1339	; PID not found, TODO: close socket!
		1340
2402	hidnplayr	1341	jmp .error2
1514	hidnplayr	1342
1206	hidnplayr	1343	.found_pid:
2402	hidnplayr	1344	shl ecx, 8
		1345	or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK
		1346	mov [check_idle_semaphore], 200
1206	hidnplayr	1347
2402	hidnplayr	1348	DEBUGF 1,"SOCKET_notify_owner: succes!\n"
1514	hidnplayr	1349
		1350	.error2:
2402	hidnplayr	1351	pop esi ecx eax
1536	hidnplayr	1352
1514	hidnplayr	1353	.error:
		1354
2402	hidnplayr	1355	ret
1206	hidnplayr	1356
		1357
1514	hidnplayr	1358	;--------------------------------------------------------------------
		1359	;
		1360	; SOCKET_alloc
		1361	;
1159	hidnplayr	1362	; Allocate memory for socket data and put new socket into the list
		1363	; Newly created socket is initialized with calling PID and number and
		1364	; put into beginning of list (which is a fastest way).
		1365	;
1514	hidnplayr	1366	; IN: /
		1367	; OUT: eax = 0 on error, socket ptr otherwise
		1368	; edi = socket number
		1369	; ZF = cleared on error
1159	hidnplayr	1370	;
1514	hidnplayr	1371	;--------------------------------------------------------------------
		1372	align 4
		1373	SOCKET_alloc:
		1374
2402	hidnplayr	1375	push ebx
1514	hidnplayr	1376
2402	hidnplayr	1377	stdcall kernel_alloc, SOCKETBUFFSIZE
		1378	DEBUGF 1, "SOCKET_alloc: ptr=%x\n", eax
		1379	or eax, eax
		1380	jz .exit
1159	hidnplayr	1381
1514	hidnplayr	1382	; zero-initialize allocated memory
2402	hidnplayr	1383	push eax
		1384	mov edi, eax
		1385	mov ecx, SOCKETBUFFSIZE / 4
		1386	xor eax, eax
		1387	rep stosd
		1388	pop eax
1159	hidnplayr	1389
1536	hidnplayr	1390	; set send-and receive procedures to return -1
2402	hidnplayr	1391	mov [eax + SOCKET.snd_proc], s_error
		1392	mov [eax + SOCKET.rcv_proc], s_error
1536	hidnplayr	1393
1514	hidnplayr	1394	; find first free socket number and use it
2402	hidnplayr	1395	mov edi, [last_socket_num]
1159	hidnplayr	1396	.next_socket_number:
2402	hidnplayr	1397	inc edi
		1398	jz .next_socket_number ; avoid socket nr 0
		1399	cmp edi, -1
		1400	je .next_socket_number ; avoid socket nr -1
		1401	mov ebx, net_sockets
1159	hidnplayr	1402	.next_socket:
2402	hidnplayr	1403	mov ebx, [ebx + SOCKET.NextPtr]
		1404	test ebx, ebx
		1405	jz .last_socket
1536	hidnplayr	1406
2402	hidnplayr	1407	cmp [ebx + SOCKET.Number], edi
		1408	jne .next_socket
		1409	jmp .next_socket_number
1159	hidnplayr	1410
1514	hidnplayr	1411	.last_socket:
2402	hidnplayr	1412	mov [last_socket_num], edi
		1413	mov [eax + SOCKET.Number], edi
		1414	DEBUGF 1, "SOCKET_alloc: number=%u\n", edi
1159	hidnplayr	1415
1514	hidnplayr	1416	; Fill in PID
2402	hidnplayr	1417	mov ebx, [TASK_BASE]
		1418	mov ebx, [ebx + TASKDATA.pid]
		1419	mov [eax + SOCKET.PID], ebx
1514	hidnplayr	1420
2403	hidnplayr	1421	; init mutex
		1422	pusha
		1423	lea ecx, [eax + SOCKET.mutex]
		1424	call mutex_init
		1425	popa
		1426
1529	hidnplayr	1427	; add socket to the list by re-arranging some pointers
2402	hidnplayr	1428	mov ebx, [net_sockets + SOCKET.NextPtr]
1514	hidnplayr	1429
2402	hidnplayr	1430	mov [eax + SOCKET.PrevPtr], net_sockets
		1431	mov [eax + SOCKET.NextPtr], ebx
1514	hidnplayr	1432
2402	hidnplayr	1433	test ebx, ebx
		1434	jz @f
		1435
		1436	pusha
		1437	lea ecx, [ebx + SOCKET.mutex]
		1438	call mutex_lock
		1439	popa
		1440
		1441	mov [ebx + SOCKET.PrevPtr], eax
		1442
		1443	pusha
		1444	lea ecx, [ebx + SOCKET.mutex]
		1445	call mutex_unlock
		1446	popa
1514	hidnplayr	1447	@@:
		1448
2402	hidnplayr	1449	mov [net_sockets + SOCKET.NextPtr], eax
		1450	or eax, eax ; used to clear zero flag
1159	hidnplayr	1451	.exit:
2402	hidnplayr	1452	pop ebx
1514	hidnplayr	1453
2402	hidnplayr	1454	ret
1159	hidnplayr	1455
1514	hidnplayr	1456
		1457	;----------------------------------------------------
1159	hidnplayr	1458	;
1514	hidnplayr	1459	; SOCKET_free
1159	hidnplayr	1460	;
1514	hidnplayr	1461	; Free socket data memory and remove socket from the list
		1462	;
		1463	; IN: eax = socket ptr
		1464	; OUT: /
		1465	;
		1466	;----------------------------------------------------
		1467	align 4
		1468	SOCKET_free:
1159	hidnplayr	1469
2402	hidnplayr	1470	DEBUGF 1, "SOCKET_free: %x\n", eax
1514	hidnplayr	1471
2402	hidnplayr	1472	call SOCKET_check
		1473	jz .error
1159	hidnplayr	1474
2402	hidnplayr	1475	push ebx
1514	hidnplayr	1476
2402	hidnplayr	1477	pusha
		1478	lea ecx, [eax + SOCKET.mutex]
		1479	call mutex_lock
		1480	popa
1514	hidnplayr	1481
2402	hidnplayr	1482	DEBUGF 1, "SOCKET_free: freeing socket..\n"
1529	hidnplayr	1483
2402	hidnplayr	1484	cmp [eax + SOCKET.Domain], AF_INET4
		1485	jnz .no_tcp
1529	hidnplayr	1486
2402	hidnplayr	1487	cmp [eax + SOCKET.Protocol], IP_PROTO_TCP
		1488	jnz .no_tcp
		1489
		1490	mov ebx, eax
		1491	stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr]
		1492	stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr]
		1493	mov eax, ebx
1536	hidnplayr	1494	.no_tcp:
1529	hidnplayr	1495
2402	hidnplayr	1496	push eax ; this will be passed to kernel_free
		1497	mov ebx, [eax + SOCKET.NextPtr]
		1498	mov eax, [eax + SOCKET.PrevPtr]
1514	hidnplayr	1499
2402	hidnplayr	1500	DEBUGF 1, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx
1514	hidnplayr	1501
2402	hidnplayr	1502	test eax, eax
		1503	jz @f
		1504	mov [eax + SOCKET.NextPtr], ebx
1514	hidnplayr	1505	@@:
1159	hidnplayr	1506
2402	hidnplayr	1507	test ebx, ebx
		1508	jz @f
		1509	mov [ebx + SOCKET.PrevPtr], eax
1514	hidnplayr	1510	@@:
1249	hidnplayr	1511
2402	hidnplayr	1512	call kernel_free
		1513	pop ebx
1159	hidnplayr	1514
2402	hidnplayr	1515	DEBUGF 1, "SOCKET_free: success!\n"
1514	hidnplayr	1516
1159	hidnplayr	1517	.error:
2402	hidnplayr	1518	ret
1159	hidnplayr	1519
1543	hidnplayr	1520	;------------------------------------
		1521	;
		1522	; SOCKET_fork
		1523	;
		1524	; Create a child socket
		1525	;
1533	hidnplayr	1526	; IN: socket nr in ebx
1543	hidnplayr	1527	; OUT: child socket nr in eax
		1528	;
		1529	;-----------------------------------
1529	hidnplayr	1530	align 4
		1531	SOCKET_fork:
		1532
2402	hidnplayr	1533	DEBUGF 1,"SOCKET_fork: %x\n", ebx
1529	hidnplayr	1534
1543	hidnplayr	1535	; Exit if backlog queue is full
2402	hidnplayr	1536	mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size]
		1537	cmp ax, [ebx + SOCKET.backlog]
		1538	jae .fail
1543	hidnplayr	1539
1529	hidnplayr	1540	; Allocate new socket
2402	hidnplayr	1541	push ebx
		1542	call SOCKET_alloc
		1543	pop ebx
		1544	jz .fail
1529	hidnplayr	1545
2402	hidnplayr	1546	push eax
		1547	mov esi, esp
		1548	add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2
		1549	pop eax
1543	hidnplayr	1550
		1551	; Copy structure from current socket to new
		1552	; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket
2402	hidnplayr	1553	lea esi, [ebx + SOCKET.PID]
		1554	lea edi, [eax + SOCKET.PID]
		1555	mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4
		1556	rep movsd
1529	hidnplayr	1557
2402	hidnplayr	1558	and [eax + SOCKET.options], not SO_ACCEPTCON
1529	hidnplayr	1559
2402	hidnplayr	1560	ret
1529	hidnplayr	1561
1543	hidnplayr	1562	.fail2:
2402	hidnplayr	1563	add esp, 4+4+4
1543	hidnplayr	1564	.fail:
2402	hidnplayr	1565	DEBUGF 1,"SOCKET_fork: failed\n"
		1566	xor eax, eax
		1567	ret
1529	hidnplayr	1568
1543	hidnplayr	1569
1514	hidnplayr	1570	;---------------------------------------------------
		1571	;
		1572	; SOCKET_num_to_ptr
		1573	;
1159	hidnplayr	1574	; Get socket structure address by its number
		1575	;
1514	hidnplayr	1576	; IN: ecx = socket number
1533	hidnplayr	1577	; OUT: eax = 0 on error, socket ptr otherwise
1514	hidnplayr	1578	; ZF = set on error
1159	hidnplayr	1579	;
1514	hidnplayr	1580	;---------------------------------------------------
		1581	align 4
		1582	SOCKET_num_to_ptr:
1159	hidnplayr	1583
2402	hidnplayr	1584	DEBUGF 1,"SOCKET_num_to_ptr: %u ", ecx
1514	hidnplayr	1585
2402	hidnplayr	1586	mov eax, net_sockets
1514	hidnplayr	1587
1159	hidnplayr	1588	.next_socket:
2402	hidnplayr	1589	mov eax, [eax + SOCKET.NextPtr]
		1590	or eax, eax
		1591	jz .error
		1592	cmp [eax + SOCKET.Number], ecx
		1593	jne .next_socket
1159	hidnplayr	1594
2402	hidnplayr	1595	test eax, eax
1159	hidnplayr	1596
2402	hidnplayr	1597	DEBUGF 1,"(%x)\n", eax
1159	hidnplayr	1598	.error:
2402	hidnplayr	1599	ret
1159	hidnplayr	1600
1514	hidnplayr	1601
		1602	;---------------------------------------------------
1159	hidnplayr	1603	;
1514	hidnplayr	1604	; SOCKET_ptr_to_num
1159	hidnplayr	1605	;
1514	hidnplayr	1606	; Get socket number by its address
		1607	;
		1608	; IN: eax = socket ptr
		1609	; OUT: eax = 0 on error, socket num otherwise
		1610	; ZF = set on error
		1611	;
		1612	;---------------------------------------------------
		1613	align 4
		1614	SOCKET_ptr_to_num:
		1615
2402	hidnplayr	1616	DEBUGF 1,"SOCKET_ptr_to_num: %x ", eax
1514	hidnplayr	1617
2402	hidnplayr	1618	call SOCKET_check
		1619	jz .error
1159	hidnplayr	1620
2402	hidnplayr	1621	mov eax, [eax + SOCKET.Number]
1514	hidnplayr	1622
2402	hidnplayr	1623	DEBUGF 1,"(%u)\n", eax
1514	hidnplayr	1624
		1625	.error:
2402	hidnplayr	1626	ret
1514	hidnplayr	1627
		1628
		1629	;---------------------------------------------------
		1630	;
		1631	; SOCKET_check
		1632	;
		1633	; checks if the given value is really a socket ptr
		1634	;
		1635	; IN: eax = socket ptr
		1636	; OUT: eax = 0 on error, unchanged otherwise
		1637	; ZF = set on error
		1638	;
		1639	;---------------------------------------------------
		1640	align 4
		1641	SOCKET_check:
		1642
2402	hidnplayr	1643	DEBUGF 1,"SOCKET_check: %x\n", eax
1514	hidnplayr	1644
2402	hidnplayr	1645	push ebx
		1646	mov ebx, net_sockets
1514	hidnplayr	1647
1159	hidnplayr	1648	.next_socket:
2402	hidnplayr	1649	mov ebx, [ebx + SOCKET.NextPtr]
		1650	or ebx, ebx
		1651	jz .done
		1652	cmp ebx, eax
		1653	jnz .next_socket
1159	hidnplayr	1654
1514	hidnplayr	1655	.done:
2402	hidnplayr	1656	mov eax, ebx
		1657	test eax, eax
		1658	pop ebx
1514	hidnplayr	1659
2402	hidnplayr	1660	ret
1159	hidnplayr	1661
1514	hidnplayr	1662
		1663
		1664	;---------------------------------------------------
		1665	;
		1666	; SOCKET_check_owner
		1667	;
		1668	; checks if the caller application owns the socket
		1669	;
		1670	; IN: eax = socket ptr
		1671	; OUT: ZF = true/false
		1672	;
		1673	;---------------------------------------------------
		1674	align 4
		1675	SOCKET_check_owner:
		1676
2402	hidnplayr	1677	DEBUGF 1,"SOCKET_check_owner: %x\n", eax
1514	hidnplayr	1678
2402	hidnplayr	1679	push ebx
		1680	mov ebx, [TASK_BASE]
		1681	mov ebx, [ecx + TASKDATA.pid]
		1682	cmp [eax + SOCKET.PID], ebx
		1683	pop ebx
1514	hidnplayr	1684
2402	hidnplayr	1685	ret
1514	hidnplayr	1686
		1687
		1688
		1689
1885	hidnplayr	1690	;------------------------------------------------------
1514	hidnplayr	1691	;
		1692	; SOCKET_process_end
		1693	;
		1694	; Kernel calls this function when a certain process ends
		1695	; This function will check if the process had any open sockets
		1696	; And update them accordingly
		1697	;
		1698	; IN: eax = pid
		1699	; OUT: /
		1700	;
		1701	;------------------------------------------------------
		1702	align 4
		1703	SOCKET_process_end:
		1704
2402	hidnplayr	1705	DEBUGF 1,"SOCKET_process_end: %x\n", eax
1514	hidnplayr	1706
2402	hidnplayr	1707	push ebx
		1708	mov ebx, net_sockets
1514	hidnplayr	1709
		1710	.next_socket:
		1711
2402	hidnplayr	1712	mov ebx, [ebx + SOCKET.NextPtr]
1514	hidnplayr	1713	.test_socket:
2402	hidnplayr	1714	test ebx, ebx
		1715	jz .done
1514	hidnplayr	1716
2402	hidnplayr	1717	cmp [ebx + SOCKET.PID], eax
		1718	jne .next_socket
1514	hidnplayr	1719
2402	hidnplayr	1720	DEBUGF 1,"closing socket %x", eax, ebx
1514	hidnplayr	1721
2402	hidnplayr	1722	mov [ebx + SOCKET.PID], 0
1514	hidnplayr	1723
2402	hidnplayr	1724	cmp [ebx + SOCKET.Protocol], IP_PROTO_TCP
		1725	je .tcp
1514	hidnplayr	1726
2629	hidnplayr	1727	; The socket is stateless, just kill it right away!
1514	hidnplayr	1728
2402	hidnplayr	1729	mov eax, ebx
		1730	mov ebx, [ebx + SOCKET.NextPtr]
		1731	call SOCKET_free
		1732	jmp .test_socket
1514	hidnplayr	1733
		1734	.tcp:
		1735
2629	hidnplayr	1736	push [ebx + SOCKET.NextPtr]
		1737	mov eax, ebx
		1738	call TCP_close
		1739	pop ebx
		1740	jmp .test_socket
1885	hidnplayr	1741
1514	hidnplayr	1742	.done:
2402	hidnplayr	1743	pop ebx
1514	hidnplayr	1744
2402	hidnplayr	1745	ret
1773	hidnplayr	1746
		1747
		1748
		1749
1885	hidnplayr	1750	;-----------------------------------------------------------------
		1751	;
		1752	; SOCKET_is_connecting
		1753	;
		1754	; IN: eax = socket ptr
		1755	; OUT: /
		1756	;
		1757	;-----------------------------------------------------------------
1773	hidnplayr	1758
1885	hidnplayr	1759	align 4
		1760	SOCKET_is_connecting:
1773	hidnplayr	1761
		1762
2402	hidnplayr	1763	and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING)
		1764	or [eax + SOCKET.options], SS_ISCONNECTING
1773	hidnplayr	1765
2402	hidnplayr	1766	jmp SOCKET_notify_owner
1885	hidnplayr	1767
		1768
		1769
1773	hidnplayr	1770	;-----------------------------------------------------------------
		1771	;
1885	hidnplayr	1772	; SOCKET_is_connected
		1773	;
		1774	; IN: eax = socket ptr
		1775	; OUT: /
		1776	;
		1777	;-----------------------------------------------------------------
		1778
		1779	align 4
		1780	SOCKET_is_connected:
		1781
		1782
2402	hidnplayr	1783	and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING)
		1784	or [eax + SOCKET.options], SS_ISCONNECTED
1885	hidnplayr	1785
2402	hidnplayr	1786	jmp SOCKET_notify_owner
1885	hidnplayr	1787
		1788
		1789
		1790
		1791	;-----------------------------------------------------------------
		1792	;
1773	hidnplayr	1793	; SOCKET_is_disconnecting
		1794	;
		1795	; IN: eax = socket ptr
		1796	; OUT: /
		1797	;
		1798	;-----------------------------------------------------------------
		1799
		1800	align 4
		1801	SOCKET_is_disconnecting:
		1802
2402	hidnplayr	1803	and [eax + SOCKET.options], not (SS_ISCONNECTING)
		1804	or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE
1773	hidnplayr	1805
2402	hidnplayr	1806	jmp SOCKET_notify_owner
1773	hidnplayr	1807
		1808
		1809
		1810	;-----------------------------------------------------------------
		1811	;
		1812	; SOCKET_is_disconnected
		1813	;
		1814	; IN: eax = socket ptr
		1815	; OUT: /
		1816	;
		1817	;-----------------------------------------------------------------
		1818
		1819	align 4
		1820	SOCKET_is_disconnected:
		1821
2402	hidnplayr	1822	and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING)
		1823	or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE
1773	hidnplayr	1824
2402	hidnplayr	1825	jmp SOCKET_notify_owner
1774	hidnplayr	1826
		1827
		1828	;-----------------------------------------------------------------
		1829	;
		1830	; SOCKET_cant_recv_more
		1831	;
		1832	; IN: eax = socket ptr
		1833	; OUT: /
		1834	;
		1835	;-----------------------------------------------------------------
		1836
		1837	align 4
		1838	SOCKET_cant_recv_more:
		1839
2402	hidnplayr	1840	or [eax + SOCKET.options], SS_CANTRCVMORE
1885	hidnplayr	1841
2402	hidnplayr	1842	ret
1831	hidnplayr	1843
		1844
		1845
		1846	;-----------------------------------------------------------------
		1847	;
1885	hidnplayr	1848	; SOCKET_cant_send_more
1831	hidnplayr	1849	;
		1850	; IN: eax = socket ptr
		1851	; OUT: /
		1852	;
		1853	;-----------------------------------------------------------------
		1854
		1855	align 4
1885	hidnplayr	1856	SOCKET_cant_send_more:
1831	hidnplayr	1857
2402	hidnplayr	1858	or [eax + SOCKET.options], SS_CANTSENDMORE
1831	hidnplayr	1859
2402	hidnplayr	1860	ret

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(root)/kernel/branches/net/network/socket.inc – Rev 2629