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

Subversion Repositories Kolibri OS

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