Rev 6916 | Rev 7679 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
7678 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2019. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
||
6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
||
7 | ;; ;; |
||
8 | ;; Written by hidnplayr@kolibrios.org, ;; |
||
9 | ;; and Clevermouse. ;; |
||
10 | ;; ;; |
||
11 | ;; Based on code by mike.dld ;; |
||
12 | ;; ;; |
||
13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
||
14 | ;; Version 2, June 1991 ;; |
||
15 | ;; ;; |
||
16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
17 | |||
4850 | mario79 | 18 | $Revision: 7678 $ |
3545 | hidnplayr | 19 | |
20 | struct SOCKET |
||
21 | |||
5976 | hidnplayr | 22 | NextPtr dd ? ; pointer to next socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
||
24 | Number dd ? ; socket number |
||
3545 | hidnplayr | 25 | |
26 | mutex MUTEX |
||
27 | |||
5976 | hidnplayr | 28 | PID dd ? ; process ID |
29 | TID dd ? ; thread ID |
||
30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
||
31 | Type dd ? ; RAW/STREAM/DGRAM |
||
32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
||
3545 | hidnplayr | 33 | errorcode dd ? |
5976 | hidnplayr | 34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
3545 | hidnplayr | 35 | |
36 | options dd ? |
||
37 | state dd ? |
||
5976 | hidnplayr | 38 | backlog dw ? ; number of incoming connections that can be queued |
3545 | hidnplayr | 39 | |
40 | snd_proc dd ? |
||
41 | rcv_proc dd ? |
||
4030 | hidnplayr | 42 | connect_proc dd ? |
3545 | hidnplayr | 43 | |
44 | ends |
||
45 | |||
46 | struct IP_SOCKET SOCKET |
||
47 | |||
5976 | hidnplayr | 48 | LocalIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
||
5842 | hidnplayr | 50 | ttl db ? |
5976 | hidnplayr | 51 | rb 3 ; align |
3545 | hidnplayr | 52 | |
53 | ends |
||
54 | |||
55 | struct TCP_SOCKET IP_SOCKET |
||
56 | |||
5976 | hidnplayr | 57 | LocalPort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
||
3545 | hidnplayr | 59 | |
5976 | hidnplayr | 60 | t_state dd ? ; TCB state |
3545 | hidnplayr | 61 | t_rxtshift db ? |
5976 | hidnplayr | 62 | rb 3 ; align |
3545 | hidnplayr | 63 | t_rxtcur dd ? |
64 | t_dupacks dd ? |
||
65 | t_maxseg dd ? |
||
66 | t_flags dd ? |
||
67 | |||
68 | ;--------------- |
||
69 | ; RFC783 page 21 |
||
70 | |||
71 | ; send sequence |
||
5976 | hidnplayr | 72 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
73 | SND_NXT dd ? ; next send sequence number to use |
||
74 | SND_UP dd ? ; urgent pointer |
||
6476 | hidnplayr | 75 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
76 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
||
5976 | hidnplayr | 77 | ISS dd ? ; initial send sequence number |
78 | SND_WND dd ? ; send window |
||
3545 | hidnplayr | 79 | |
80 | ; receive sequence |
||
5976 | hidnplayr | 81 | RCV_WND dd ? ; receive window |
82 | RCV_NXT dd ? ; next receive sequence number to use |
||
83 | RCV_UP dd ? ; urgent pointer |
||
84 | IRS dd ? ; initial receive sequence number |
||
3545 | hidnplayr | 85 | |
86 | ;--------------------- |
||
87 | ; Additional variables |
||
88 | |||
89 | ; receive variables |
||
90 | RCV_ADV dd ? |
||
91 | |||
92 | ; retransmit variables |
||
93 | SND_MAX dd ? |
||
94 | |||
95 | ; congestion control |
||
4339 | hidnplayr | 96 | SND_CWND dd ? ; congestion window |
97 | SND_SSTHRESH dd ? ; slow start threshold |
||
3545 | hidnplayr | 98 | |
99 | ;---------------------- |
||
100 | ; Transmit timing stuff |
||
101 | t_idle dd ? |
||
5442 | hidnplayr | 102 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 103 | t_rtseq dd ? |
5442 | hidnplayr | 104 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 105 | t_rttvar dd ? |
106 | t_rttmin dd ? |
||
107 | max_sndwnd dd ? |
||
108 | |||
109 | ;----------------- |
||
110 | ; Out-of-band data |
||
111 | t_oobflags dd ? |
||
112 | t_iobc dd ? |
||
113 | t_softerror dd ? |
||
114 | |||
115 | |||
116 | ;--------- |
||
117 | ; RFC 1323 ; the order of next 4 elements may not change |
||
118 | |||
119 | SND_SCALE db ? |
||
120 | RCV_SCALE db ? |
||
121 | requested_s_scale db ? |
||
122 | request_r_scale db ? |
||
123 | |||
124 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
||
125 | ts_recent_age dd ? |
||
126 | last_ack_sent dd ? |
||
127 | |||
128 | |||
129 | ;------- |
||
130 | ; Timers |
||
3600 | hidnplayr | 131 | timer_flags dd ? |
5976 | hidnplayr | 132 | timer_retransmission dd ? ; rexmt |
3545 | hidnplayr | 133 | timer_persist dd ? |
5976 | hidnplayr | 134 | timer_keepalive dd ? ; keepalive/syn timeout |
135 | timer_timed_wait dd ? ; also used as 2msl timer |
||
4021 | hidnplayr | 136 | timer_connect dd ? |
3545 | hidnplayr | 137 | |
138 | ; extra |
||
139 | |||
5976 | hidnplayr | 140 | ts_ecr dd ? ; timestamp echo reply |
3545 | hidnplayr | 141 | ts_val dd ? |
142 | |||
5976 | hidnplayr | 143 | seg_next dd ? ; re-assembly queue |
3545 | hidnplayr | 144 | |
145 | ends |
||
146 | |||
147 | struct UDP_SOCKET IP_SOCKET |
||
148 | |||
5976 | hidnplayr | 149 | LocalPort dw ? ; in network byte order |
150 | RemotePort dw ? ; in network byte order |
||
3545 | hidnplayr | 151 | |
152 | ends |
||
153 | |||
154 | struct RING_BUFFER |
||
155 | |||
156 | mutex MUTEX |
||
5976 | hidnplayr | 157 | start_ptr dd ? ; Pointer to start of buffer |
158 | end_ptr dd ? ; pointer to end of buffer |
||
159 | read_ptr dd ? ; Read pointer |
||
160 | write_ptr dd ? ; Write pointer |
||
161 | size dd ? ; Number of bytes buffered |
||
3545 | hidnplayr | 162 | |
163 | ends |
||
164 | |||
165 | struct STREAM_SOCKET TCP_SOCKET |
||
166 | |||
167 | rcv RING_BUFFER |
||
168 | snd RING_BUFFER |
||
169 | |||
170 | ends |
||
171 | |||
172 | struct socket_queue_entry |
||
173 | |||
174 | data_ptr dd ? |
||
5522 | hidnplayr | 175 | data_size dd ? |
3545 | hidnplayr | 176 | buf_ptr dd ? |
177 | |||
178 | ends |
||
179 | |||
5976 | hidnplayr | 180 | struct socket_options |
3545 | hidnplayr | 181 | |
5976 | hidnplayr | 182 | level dd ? |
183 | optname dd ? |
||
184 | optlen dd ? |
||
185 | optval dd ? |
||
3545 | hidnplayr | 186 | |
5976 | hidnplayr | 187 | ends |
188 | |||
6413 | hidnplayr | 189 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
5976 | hidnplayr | 190 | |
191 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
||
3545 | hidnplayr | 192 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
6413 | hidnplayr | 193 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
3545 | hidnplayr | 194 | |
195 | uglobal |
||
3698 | hidnplayr | 196 | align 4 |
197 | |||
3545 | hidnplayr | 198 | net_sockets rd 4 |
199 | last_socket_num dd ? |
||
5976 | hidnplayr | 200 | last_UDP_port dw ? ; last used ephemeral port |
201 | last_TCP_port dw ? ; |
||
3647 | hidnplayr | 202 | socket_mutex MUTEX |
3698 | hidnplayr | 203 | |
3545 | hidnplayr | 204 | endg |
205 | |||
206 | |||
5976 | hidnplayr | 207 | ;-----------------------------------------------------------------; |
208 | ; ; |
||
6011 | hidnplayr | 209 | ; socket_init ; |
5976 | hidnplayr | 210 | ; ; |
211 | ;-----------------------------------------------------------------; |
||
6011 | hidnplayr | 212 | macro socket_init { |
3545 | hidnplayr | 213 | |
214 | xor eax, eax |
||
215 | mov edi, net_sockets |
||
216 | mov ecx, 5 |
||
3711 | clevermous | 217 | rep stosd |
3545 | hidnplayr | 218 | |
219 | @@: |
||
220 | pseudo_random eax |
||
3600 | hidnplayr | 221 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 222 | jb @r |
3600 | hidnplayr | 223 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 224 | ja @r |
225 | xchg al, ah |
||
226 | mov [last_UDP_port], ax |
||
227 | |||
228 | @@: |
||
229 | pseudo_random eax |
||
3600 | hidnplayr | 230 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 231 | jb @r |
3600 | hidnplayr | 232 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 233 | ja @r |
234 | xchg al, ah |
||
235 | mov [last_TCP_port], ax |
||
236 | |||
3647 | hidnplayr | 237 | mov ecx, socket_mutex |
238 | call mutex_init |
||
239 | |||
3545 | hidnplayr | 240 | } |
241 | |||
5976 | hidnplayr | 242 | ;-----------------------------------------------------------------; |
243 | ; ; |
||
244 | ; Sockets API (system function 75) ; |
||
245 | ; ; |
||
246 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 247 | align 4 |
248 | sys_socket: |
||
249 | |||
3673 | hidnplayr | 250 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 251 | |
3545 | hidnplayr | 252 | cmp ebx, 255 |
6011 | hidnplayr | 253 | jz socket_debug |
3545 | hidnplayr | 254 | |
255 | cmp ebx, .number |
||
3658 | hidnplayr | 256 | ja .error |
3545 | hidnplayr | 257 | jmp dword [.table + 4*ebx] |
258 | |||
259 | .table: |
||
6011 | hidnplayr | 260 | dd socket_open ; 0 |
261 | dd socket_close ; 1 |
||
262 | dd socket_bind ; 2 |
||
263 | dd socket_listen ; 3 |
||
264 | dd socket_connect ; 4 |
||
265 | dd socket_accept ; 5 |
||
266 | dd socket_send ; 6 |
||
267 | dd socket_receive ; 7 |
||
268 | dd socket_set_opt ; 8 |
||
269 | dd socket_get_opt ; 9 |
||
270 | dd socket_pair ; 10 |
||
3545 | hidnplayr | 271 | .number = ($ - .table) / 4 - 1 |
272 | |||
3658 | hidnplayr | 273 | .error: |
274 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 275 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 276 | |
277 | ret |
||
278 | |||
5976 | hidnplayr | 279 | ;-----------------------------------------------------------------; |
280 | ; ; |
||
6011 | hidnplayr | 281 | ; socket_open: Create a new socket. ; |
5976 | hidnplayr | 282 | ; ; |
283 | ; IN: ecx = domain ; |
||
284 | ; edx = type ; |
||
285 | ; esi = protocol ; |
||
286 | ; ; |
||
287 | ; OUT: eax = socket number ; |
||
288 | ; eax = -1 on error ; |
||
289 | ; ebx = errorcode on error ; |
||
290 | ; ; |
||
291 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 292 | align 4 |
6011 | hidnplayr | 293 | socket_open: |
3545 | hidnplayr | 294 | |
6908 | ashmew2 | 295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 296 | |
297 | push ecx edx esi |
||
6011 | hidnplayr | 298 | call socket_alloc |
3545 | hidnplayr | 299 | pop esi edx ecx |
4535 | hidnplayr | 300 | test eax, eax |
3658 | hidnplayr | 301 | jz .nobuffs |
3545 | hidnplayr | 302 | |
5976 | hidnplayr | 303 | mov [esp+32], edi ; return socketnumber |
3556 | hidnplayr | 304 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 305 | |
3705 | hidnplayr | 306 | test edx, SO_NONBLOCK |
307 | jz @f |
||
308 | or [eax + SOCKET.options], SO_NONBLOCK |
||
309 | and edx, not SO_NONBLOCK |
||
310 | @@: |
||
3545 | hidnplayr | 311 | |
312 | mov [eax + SOCKET.Domain], ecx |
||
313 | mov [eax + SOCKET.Type], edx |
||
314 | mov [eax + SOCKET.Protocol], esi |
||
4030 | hidnplayr | 315 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 316 | |
317 | cmp ecx, AF_INET4 |
||
318 | jne .no_inet4 |
||
319 | |||
5842 | hidnplayr | 320 | mov [eax + IP_SOCKET.ttl], 128 |
321 | |||
3545 | hidnplayr | 322 | cmp edx, SOCK_DGRAM |
323 | je .udp |
||
324 | |||
325 | cmp edx, SOCK_STREAM |
||
326 | je .tcp |
||
327 | |||
328 | cmp edx, SOCK_RAW |
||
329 | je .raw |
||
330 | |||
331 | .no_inet4: |
||
332 | cmp ecx, AF_PPP |
||
333 | jne .no_ppp |
||
334 | |||
335 | cmp esi, PPP_PROTO_ETHERNET |
||
336 | je .pppoe |
||
337 | |||
338 | .no_ppp: |
||
3658 | hidnplayr | 339 | .unsupported: |
340 | push eax |
||
6011 | hidnplayr | 341 | call socket_free |
3658 | hidnplayr | 342 | pop eax |
3673 | hidnplayr | 343 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 344 | mov dword[esp+32], -1 |
3545 | hidnplayr | 345 | ret |
346 | |||
3658 | hidnplayr | 347 | .nobuffs: |
3673 | hidnplayr | 348 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 349 | mov dword[esp+32], -1 |
350 | ret |
||
351 | |||
3545 | hidnplayr | 352 | .raw: |
5976 | hidnplayr | 353 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 354 | jz .raw_ip |
3545 | hidnplayr | 355 | |
356 | cmp esi, IP_PROTO_ICMP |
||
3658 | hidnplayr | 357 | je .raw_icmp |
3545 | hidnplayr | 358 | |
3658 | hidnplayr | 359 | jmp .unsupported |
3545 | hidnplayr | 360 | |
361 | align 4 |
||
362 | .udp: |
||
5842 | hidnplayr | 363 | push eax |
364 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
365 | pop eax |
||
366 | |||
3545 | hidnplayr | 367 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
6011 | hidnplayr | 368 | mov [eax + SOCKET.snd_proc], socket_send_udp |
369 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
370 | mov [eax + SOCKET.connect_proc], udp_connect |
||
3545 | hidnplayr | 371 | ret |
372 | |||
373 | align 4 |
||
374 | .tcp: |
||
375 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
6011 | hidnplayr | 376 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
377 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
||
378 | mov [eax + SOCKET.connect_proc], tcp_connect |
||
3545 | hidnplayr | 379 | |
6011 | hidnplayr | 380 | tcp_init_socket eax |
3545 | hidnplayr | 381 | ret |
382 | |||
383 | |||
384 | align 4 |
||
3658 | hidnplayr | 385 | .raw_ip: |
5842 | hidnplayr | 386 | push eax |
387 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
388 | pop eax |
||
389 | |||
6011 | hidnplayr | 390 | mov [eax + SOCKET.snd_proc], socket_send_ip |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
392 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 393 | ret |
394 | |||
395 | |||
396 | align 4 |
||
3658 | hidnplayr | 397 | .raw_icmp: |
5842 | hidnplayr | 398 | push eax |
399 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
400 | pop eax |
||
401 | |||
6011 | hidnplayr | 402 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
403 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
404 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 405 | ret |
406 | |||
407 | align 4 |
||
408 | .pppoe: |
||
409 | push eax |
||
410 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
411 | pop eax |
||
412 | |||
6011 | hidnplayr | 413 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
414 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
3545 | hidnplayr | 415 | ret |
416 | |||
417 | |||
5976 | hidnplayr | 418 | ;-----------------------------------------------------------------; |
419 | ; ; |
||
6011 | hidnplayr | 420 | ; socket_bind: Bind to a local port. ; |
5976 | hidnplayr | 421 | ; ; |
422 | ; IN: ecx = socket number ; |
||
423 | ; edx = pointer to sockaddr struct ; |
||
424 | ; esi = length of sockaddr struct ; |
||
425 | ; ; |
||
426 | ; OUT: eax = 0 on success ; |
||
427 | ; eax = -1 on error ; |
||
428 | ; ebx = errorcode on error ; |
||
429 | ; ; |
||
430 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 431 | align 4 |
6011 | hidnplayr | 432 | socket_bind: |
3545 | hidnplayr | 433 | |
3556 | hidnplayr | 434 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 435 | |
6011 | hidnplayr | 436 | call socket_num_to_ptr |
5969 | hidnplayr | 437 | test eax, eax |
3658 | hidnplayr | 438 | jz .invalid |
3545 | hidnplayr | 439 | |
440 | cmp esi, 2 |
||
3658 | hidnplayr | 441 | jb .invalid |
3545 | hidnplayr | 442 | |
5976 | hidnplayr | 443 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 444 | jnz .invalid |
445 | |||
6011 | hidnplayr | 446 | cmp word[edx], AF_INET4 |
3545 | hidnplayr | 447 | je .af_inet4 |
448 | |||
6011 | hidnplayr | 449 | cmp word[edx], AF_LOCAL |
3545 | hidnplayr | 450 | je .af_local |
451 | |||
3658 | hidnplayr | 452 | .notsupp: |
3673 | hidnplayr | 453 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 454 | mov dword[esp+32], -1 |
455 | ret |
||
3545 | hidnplayr | 456 | |
3658 | hidnplayr | 457 | .invalid: |
3673 | hidnplayr | 458 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 459 | mov dword[esp+32], -1 |
460 | ret |
||
461 | |||
3545 | hidnplayr | 462 | .af_local: |
463 | ; TODO: write code here |
||
3658 | hidnplayr | 464 | mov dword[esp+32], 0 |
3545 | hidnplayr | 465 | ret |
466 | |||
467 | .af_inet4: |
||
468 | cmp esi, 6 |
||
3658 | hidnplayr | 469 | jb .invalid |
3545 | hidnplayr | 470 | |
471 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
472 | je .udp |
||
473 | |||
474 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
475 | je .tcp |
||
476 | |||
3658 | hidnplayr | 477 | jmp .notsupp |
3545 | hidnplayr | 478 | |
479 | .tcp: |
||
480 | .udp: |
||
4052 | hidnplayr | 481 | pushd [edx + 4] ; First, fill in the IP |
482 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 483 | |
4052 | hidnplayr | 484 | mov bx, [edx + 2] ; Did caller specify a local port? |
485 | test bx, bx |
||
486 | jnz .just_check |
||
6011 | hidnplayr | 487 | call socket_find_port ; Nope, find an ephemeral one |
4052 | hidnplayr | 488 | jmp .done |
489 | |||
490 | .just_check: |
||
6011 | hidnplayr | 491 | call socket_check_port ; Yes, check if it's still available |
4052 | hidnplayr | 492 | jz .addrinuse ; ZF is set by socket_check_port on error |
493 | |||
494 | .done: |
||
3556 | hidnplayr | 495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 496 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
497 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
498 | |||
3658 | hidnplayr | 499 | mov dword[esp+32], 0 |
3545 | hidnplayr | 500 | ret |
501 | |||
3658 | hidnplayr | 502 | .addrinuse: |
503 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 504 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 505 | ret |
3545 | hidnplayr | 506 | |
507 | |||
508 | |||
3658 | hidnplayr | 509 | |
5976 | hidnplayr | 510 | ;-----------------------------------------------------------------; |
511 | ; ; |
||
6011 | hidnplayr | 512 | ; socket_connect: Connect to the remote host. ; |
5976 | hidnplayr | 513 | ; ; |
514 | ; IN: ecx = socket number ; |
||
515 | ; edx = pointer to sockaddr struct ; |
||
516 | ; esi = length of sockaddr struct ; |
||
517 | ; ; |
||
518 | ; OUT: eax = 0 on success ; |
||
519 | ; eax = -1 on error ; |
||
520 | ; ebx = errorcode on error ; |
||
521 | ; ; |
||
522 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 523 | align 4 |
6011 | hidnplayr | 524 | socket_connect: |
3545 | hidnplayr | 525 | |
3556 | hidnplayr | 526 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 527 | |
6011 | hidnplayr | 528 | call socket_num_to_ptr |
5969 | hidnplayr | 529 | test eax, eax |
3658 | hidnplayr | 530 | jz .invalid |
3545 | hidnplayr | 531 | |
532 | cmp esi, 8 |
||
3658 | hidnplayr | 533 | jb .invalid |
3545 | hidnplayr | 534 | |
4025 | hidnplayr | 535 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
536 | je .already |
||
537 | |||
538 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
539 | jnz .notsupp |
||
540 | |||
4030 | hidnplayr | 541 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 542 | |
4030 | hidnplayr | 543 | mov dword[esp+20], ebx |
544 | mov dword[esp+32], eax |
||
545 | ret |
||
546 | |||
547 | |||
3658 | hidnplayr | 548 | .notsupp: |
3673 | hidnplayr | 549 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 550 | mov dword[esp+32], -1 |
551 | ret |
||
3545 | hidnplayr | 552 | |
3658 | hidnplayr | 553 | .invalid: |
3673 | hidnplayr | 554 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 555 | mov dword[esp+32], -1 |
556 | ret |
||
557 | |||
4025 | hidnplayr | 558 | .already: |
559 | mov dword[esp+20], EALREADY |
||
560 | mov dword[esp+32], -1 |
||
561 | ret |
||
562 | |||
563 | |||
4030 | hidnplayr | 564 | connect_notsupp: |
565 | xor eax, eax |
||
566 | dec eax |
||
567 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 568 | ret |
569 | |||
4025 | hidnplayr | 570 | |
5976 | hidnplayr | 571 | ;-----------------------------------------------------------------; |
572 | ; ; |
||
6011 | hidnplayr | 573 | ; socket_listen: Listen for incoming connections. ; |
5976 | hidnplayr | 574 | ; ; |
575 | ; IN: ecx = socket number ; |
||
576 | ; edx = backlog in edx ; |
||
577 | ; ; |
||
578 | ; OUT: eax = 0 on success ; |
||
579 | ; eax = -1 on error ; |
||
580 | ; ebx = errorcode on error ; |
||
581 | ; ; |
||
582 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 583 | align 4 |
6011 | hidnplayr | 584 | socket_listen: |
3545 | hidnplayr | 585 | |
3556 | hidnplayr | 586 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 587 | |
6011 | hidnplayr | 588 | call socket_num_to_ptr |
5969 | hidnplayr | 589 | test eax, eax |
3658 | hidnplayr | 590 | jz .invalid |
3545 | hidnplayr | 591 | |
592 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 593 | jne .notsupp |
3545 | hidnplayr | 594 | |
595 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 596 | jne .invalid |
3545 | hidnplayr | 597 | |
598 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 599 | je .already |
3545 | hidnplayr | 600 | |
601 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
602 | jne @f |
||
7678 | hidnplayr | 603 | push [IPv4_address + 4] ;;; fixme!!!! |
3545 | hidnplayr | 604 | pop [eax + IP_SOCKET.LocalIP] |
605 | @@: |
||
606 | |||
607 | cmp edx, MAX_backlog |
||
608 | jbe @f |
||
609 | mov edx, MAX_backlog |
||
610 | @@: |
||
611 | |||
612 | mov [eax + SOCKET.backlog], dx |
||
613 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
614 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
615 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
616 | |||
617 | push eax |
||
618 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
619 | pop eax |
||
620 | |||
3658 | hidnplayr | 621 | mov dword[esp+32], 0 |
622 | ret |
||
3545 | hidnplayr | 623 | |
3658 | hidnplayr | 624 | .notsupp: |
3673 | hidnplayr | 625 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 626 | mov dword[esp+32], -1 |
3545 | hidnplayr | 627 | ret |
628 | |||
3658 | hidnplayr | 629 | .invalid: |
3673 | hidnplayr | 630 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 631 | mov dword[esp+32], -1 |
632 | ret |
||
3545 | hidnplayr | 633 | |
3658 | hidnplayr | 634 | .already: |
3673 | hidnplayr | 635 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 636 | mov dword[esp+32], -1 |
637 | ret |
||
638 | |||
639 | |||
5976 | hidnplayr | 640 | ;-----------------------------------------------------------------; |
641 | ; ; |
||
6011 | hidnplayr | 642 | ; socket_accept: Accept an incoming connection. ; |
5976 | hidnplayr | 643 | ; ; |
644 | ; IN: ecx = socket number (of listening socket) ; |
||
645 | ; edx = ptr to sockaddr struct ; |
||
646 | ; esi = length of sockaddr struct ; |
||
647 | ; ; |
||
648 | ; OUT: eax = newly created socket num ; |
||
649 | ; eax = -1 on error ; |
||
650 | ; ebx = errorcode on error ; |
||
651 | ; ; |
||
652 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 653 | align 4 |
6011 | hidnplayr | 654 | socket_accept: |
3545 | hidnplayr | 655 | |
3556 | hidnplayr | 656 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 657 | |
6011 | hidnplayr | 658 | call socket_num_to_ptr |
5969 | hidnplayr | 659 | test eax, eax |
3658 | hidnplayr | 660 | jz .invalid |
3545 | hidnplayr | 661 | |
662 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 663 | jz .invalid |
3545 | hidnplayr | 664 | |
665 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 666 | jne .notsupp |
3545 | hidnplayr | 667 | |
668 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 669 | jne .invalid |
3545 | hidnplayr | 670 | |
671 | .loop: |
||
672 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
673 | |||
674 | ; Ok, we got a socket ptr |
||
675 | mov eax, [esi] |
||
676 | |||
5969 | hidnplayr | 677 | ; Verify that it is (still) a valid socket |
6011 | hidnplayr | 678 | call socket_check |
5969 | hidnplayr | 679 | jz .invalid |
680 | |||
681 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 682 | mov ebx, [TASK_BASE] |
683 | mov ebx, [ebx + TASKDATA.pid] |
||
684 | mov [eax + SOCKET.TID], ebx |
||
685 | |||
5969 | hidnplayr | 686 | ; Return socket number to caller |
687 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 688 | mov [esp+32], eax |
689 | ret |
||
690 | |||
691 | .block: |
||
692 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 693 | jnz .wouldblock |
6908 | ashmew2 | 694 | |
6011 | hidnplayr | 695 | call socket_block |
3545 | hidnplayr | 696 | jmp .loop |
697 | |||
3658 | hidnplayr | 698 | .wouldblock: |
3673 | hidnplayr | 699 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 700 | mov dword[esp+32], -1 |
701 | ret |
||
702 | |||
703 | .invalid: |
||
3673 | hidnplayr | 704 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 705 | mov dword[esp+32], -1 |
706 | ret |
||
707 | |||
708 | .notsupp: |
||
3673 | hidnplayr | 709 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 710 | mov dword[esp+32], -1 |
711 | ret |
||
712 | |||
5976 | hidnplayr | 713 | ;-----------------------------------------------------------------; |
714 | ; ; |
||
6011 | hidnplayr | 715 | ; socket_close: Close the socket (and connection). ; |
5976 | hidnplayr | 716 | ; ; |
717 | ; IN: ecx = socket number ; |
||
718 | ; ; |
||
719 | ; OUT: eax = 0 on success ; |
||
720 | ; eax = -1 on error ; |
||
721 | ; ebx = errorcode on error ; |
||
722 | ; ; |
||
723 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 724 | align 4 |
6011 | hidnplayr | 725 | socket_close: |
3545 | hidnplayr | 726 | |
3556 | hidnplayr | 727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 728 | |
6011 | hidnplayr | 729 | call socket_num_to_ptr |
5969 | hidnplayr | 730 | test eax, eax |
3658 | hidnplayr | 731 | jz .invalid |
3545 | hidnplayr | 732 | |
3658 | hidnplayr | 733 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 734 | |
735 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
736 | |||
737 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
738 | jz @f |
||
6011 | hidnplayr | 739 | call socket_notify ; Unblock it. |
3545 | hidnplayr | 740 | @@: |
741 | |||
742 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
743 | jne .free |
||
744 | |||
745 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
746 | je .tcp |
||
747 | |||
748 | .free: |
||
6011 | hidnplayr | 749 | call socket_free |
3545 | hidnplayr | 750 | ret |
751 | |||
752 | .tcp: |
||
6011 | hidnplayr | 753 | call tcp_usrclosed |
3545 | hidnplayr | 754 | |
4366 | hidnplayr | 755 | test eax, eax |
756 | jz @f |
||
6011 | hidnplayr | 757 | call tcp_output ; If connection is not closed yet, send the FIN |
4366 | hidnplayr | 758 | @@: |
3545 | hidnplayr | 759 | ret |
760 | |||
761 | |||
3658 | hidnplayr | 762 | .invalid: |
3673 | hidnplayr | 763 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 764 | mov dword[esp+32], -1 |
765 | ret |
||
766 | |||
767 | |||
5976 | hidnplayr | 768 | ;-----------------------------------------------------------------; |
769 | ; ; |
||
6011 | hidnplayr | 770 | ; socket_receive: Receive some data from the remote end. ; |
5976 | hidnplayr | 771 | ; ; |
772 | ; IN: ecx = socket number ; |
||
773 | ; edx = addr to application buffer ; |
||
774 | ; edx = length of application buffer ; |
||
775 | ; edi = flags ; |
||
776 | ; ; |
||
777 | ; OUT: eax = number of bytes copied ; |
||
778 | ; eax = -1 on error ; |
||
779 | ; eax = 0 when socket has been closed by the remote end ; |
||
780 | ; ebx = errorcode on error ; |
||
781 | ; ; |
||
782 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 783 | align 4 |
6011 | hidnplayr | 784 | socket_receive: |
3545 | hidnplayr | 785 | |
3556 | hidnplayr | 786 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 787 | |
6011 | hidnplayr | 788 | call socket_num_to_ptr |
5969 | hidnplayr | 789 | test eax, eax |
3658 | hidnplayr | 790 | jz .invalid |
3545 | hidnplayr | 791 | |
3704 | hidnplayr | 792 | .loop: |
793 | push edi |
||
3565 | hidnplayr | 794 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 795 | pop edi |
3545 | hidnplayr | 796 | |
4219 | hidnplayr | 797 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 798 | jnz .last_data |
4219 | hidnplayr | 799 | |
3704 | hidnplayr | 800 | cmp ebx, EWOULDBLOCK |
801 | jne .return |
||
802 | |||
803 | test edi, MSG_DONTWAIT |
||
804 | jnz .return_err |
||
805 | |||
5976 | hidnplayr | 806 | test [eax + SOCKET.options], SO_NONBLOCK |
807 | jnz .return_err |
||
6908 | ashmew2 | 808 | |
6011 | hidnplayr | 809 | call socket_block |
3704 | hidnplayr | 810 | jmp .loop |
811 | |||
812 | |||
813 | .invalid: |
||
814 | push EINVAL |
||
815 | pop ebx |
||
816 | .return_err: |
||
4219 | hidnplayr | 817 | mov ecx, -1 |
3704 | hidnplayr | 818 | .return: |
3673 | hidnplayr | 819 | mov [esp+20], ebx |
4219 | hidnplayr | 820 | mov [esp+32], ecx |
3565 | hidnplayr | 821 | ret |
3545 | hidnplayr | 822 | |
5364 | hidnplayr | 823 | .last_data: |
824 | test ecx, ecx |
||
825 | jz .return |
||
6011 | hidnplayr | 826 | call socket_notify ; Call me again! |
5364 | hidnplayr | 827 | jmp .return |
3565 | hidnplayr | 828 | |
3658 | hidnplayr | 829 | |
3704 | hidnplayr | 830 | |
831 | |||
3545 | hidnplayr | 832 | align 4 |
6011 | hidnplayr | 833 | socket_receive_dgram: |
3704 | hidnplayr | 834 | |
3556 | hidnplayr | 835 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 836 | |
5976 | hidnplayr | 837 | test edi, MSG_PEEK |
838 | jnz .peek |
||
3545 | hidnplayr | 839 | |
5976 | hidnplayr | 840 | mov ebx, esi ; buffer length |
841 | |||
3704 | hidnplayr | 842 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 843 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 844 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 845 | |
3704 | hidnplayr | 846 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 847 | ja .too_small |
848 | |||
4219 | hidnplayr | 849 | push eax ecx |
3545 | hidnplayr | 850 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
851 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 852 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 853 | |
3704 | hidnplayr | 854 | ; copy the data from kernel buffer to application buffer |
855 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 856 | shr ecx, 1 |
857 | jnc .nb |
||
858 | movsb |
||
859 | .nb: |
||
860 | shr ecx, 1 |
||
861 | jnc .nw |
||
862 | movsw |
||
863 | .nw: |
||
864 | test ecx, ecx |
||
865 | jz .nd |
||
3711 | clevermous | 866 | rep movsd |
3545 | hidnplayr | 867 | .nd: |
868 | |||
6011 | hidnplayr | 869 | call net_buff_free |
4219 | hidnplayr | 870 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 871 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
872 | je @f |
||
6011 | hidnplayr | 873 | call socket_notify ; Queue another network event |
5976 | hidnplayr | 874 | @@: |
875 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 876 | ret |
877 | |||
878 | .too_small: |
||
4219 | hidnplayr | 879 | mov ecx, -1 |
3704 | hidnplayr | 880 | push EMSGSIZE |
881 | pop ebx |
||
3565 | hidnplayr | 882 | ret |
3545 | hidnplayr | 883 | |
3658 | hidnplayr | 884 | .wouldblock: |
3704 | hidnplayr | 885 | push EWOULDBLOCK |
886 | pop ebx |
||
3658 | hidnplayr | 887 | ret |
3545 | hidnplayr | 888 | |
5976 | hidnplayr | 889 | .peek: |
890 | xor ebx, ebx |
||
891 | xor ecx, ecx |
||
892 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
893 | je @f |
||
894 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
895 | mov ecx, [esi + socket_queue_entry.data_size] |
||
896 | @@: |
||
897 | ret |
||
3658 | hidnplayr | 898 | |
3704 | hidnplayr | 899 | |
3545 | hidnplayr | 900 | align 4 |
6011 | hidnplayr | 901 | socket_receive_local: |
3545 | hidnplayr | 902 | |
903 | ; does this socket have a PID yet? |
||
904 | cmp [eax + SOCKET.PID], 0 |
||
905 | jne @f |
||
906 | |||
907 | ; Change PID to that of current process |
||
908 | mov ebx, [TASK_BASE] |
||
909 | mov ebx, [ebx + TASKDATA.pid] |
||
910 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 911 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 912 | @@: |
913 | |||
6011 | hidnplayr | 914 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
3545 | hidnplayr | 915 | |
3704 | hidnplayr | 916 | ; ... continue to SOCKET_receive_stream |
917 | |||
3545 | hidnplayr | 918 | align 4 |
6011 | hidnplayr | 919 | socket_receive_stream: |
3545 | hidnplayr | 920 | |
3556 | hidnplayr | 921 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 922 | |
3704 | hidnplayr | 923 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
924 | je .wouldblock |
||
925 | |||
926 | test edi, MSG_PEEK |
||
927 | jnz .peek |
||
928 | |||
3545 | hidnplayr | 929 | mov ecx, esi |
930 | mov edi, edx |
||
931 | xor edx, edx |
||
932 | |||
4219 | hidnplayr | 933 | push eax |
3545 | hidnplayr | 934 | add eax, STREAM_SOCKET.rcv |
6011 | hidnplayr | 935 | call socket_ring_read ; copy data from kernel buffer to application buffer |
936 | call socket_ring_free ; free read memory |
||
4219 | hidnplayr | 937 | pop eax |
3545 | hidnplayr | 938 | |
5364 | hidnplayr | 939 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
940 | jne .more_data |
||
3704 | hidnplayr | 941 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 942 | ret |
943 | |||
5364 | hidnplayr | 944 | .more_data: |
6011 | hidnplayr | 945 | call socket_notify ; Queue another network event |
5364 | hidnplayr | 946 | xor ebx, ebx ; errorcode = 0 (no error) |
947 | ret |
||
948 | |||
3704 | hidnplayr | 949 | .wouldblock: |
950 | push EWOULDBLOCK |
||
951 | pop ebx |
||
4219 | hidnplayr | 952 | xor ecx, ecx |
3704 | hidnplayr | 953 | ret |
954 | |||
3545 | hidnplayr | 955 | .peek: |
4219 | hidnplayr | 956 | mov ecx, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 957 | xor ebx, ebx |
3545 | hidnplayr | 958 | ret |
959 | |||
960 | |||
5976 | hidnplayr | 961 | ;-----------------------------------------------------------------; |
962 | ; ; |
||
6011 | hidnplayr | 963 | ; socket_send: Send some data to the remote end. ; |
5976 | hidnplayr | 964 | ; ; |
965 | ; IN: ecx = socket number ; |
||
966 | ; edx = pointer to data ; |
||
967 | ; esi = data length ; |
||
968 | ; edi = flags ; |
||
969 | ; ; |
||
970 | ; OUT: eax = number of bytes sent ; |
||
971 | ; eax = -1 on error ; |
||
972 | ; ebx = errorcode on error ; |
||
973 | ; ; |
||
974 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 975 | align 4 |
6011 | hidnplayr | 976 | socket_send: |
3545 | hidnplayr | 977 | |
3556 | hidnplayr | 978 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 979 | |
6011 | hidnplayr | 980 | call socket_num_to_ptr |
5969 | hidnplayr | 981 | test eax, eax |
3658 | hidnplayr | 982 | jz .invalid |
3545 | hidnplayr | 983 | |
984 | mov ecx, esi |
||
985 | mov esi, edx |
||
986 | |||
987 | jmp [eax + SOCKET.snd_proc] |
||
988 | |||
3658 | hidnplayr | 989 | .invalid: |
3673 | hidnplayr | 990 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 991 | mov dword[esp+32], -1 |
992 | ret |
||
3545 | hidnplayr | 993 | |
3658 | hidnplayr | 994 | |
3545 | hidnplayr | 995 | align 4 |
6011 | hidnplayr | 996 | socket_send_udp: |
3545 | hidnplayr | 997 | |
3556 | hidnplayr | 998 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 999 | |
1000 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1001 | call udp_output |
3545 | hidnplayr | 1002 | cmp eax, -1 |
3658 | hidnplayr | 1003 | je .error |
3545 | hidnplayr | 1004 | ret |
1005 | |||
3658 | hidnplayr | 1006 | .error: |
1007 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1008 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1009 | ret |
3545 | hidnplayr | 1010 | |
3658 | hidnplayr | 1011 | |
3545 | hidnplayr | 1012 | align 4 |
6011 | hidnplayr | 1013 | socket_send_tcp: |
3545 | hidnplayr | 1014 | |
3556 | hidnplayr | 1015 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1016 | |
1017 | push eax |
||
1018 | add eax, STREAM_SOCKET.snd |
||
6011 | hidnplayr | 1019 | call socket_ring_write |
3545 | hidnplayr | 1020 | pop eax |
1021 | |||
1022 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1023 | mov [eax + SOCKET.errorcode], 0 |
1024 | push eax |
||
6011 | hidnplayr | 1025 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
3658 | hidnplayr | 1026 | pop eax |
1027 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1028 | mov [esp+20], eax |
3545 | hidnplayr | 1029 | ret |
1030 | |||
1031 | |||
1032 | align 4 |
||
6011 | hidnplayr | 1033 | socket_send_ip: |
3545 | hidnplayr | 1034 | |
3556 | hidnplayr | 1035 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1036 | |
1037 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1038 | call ipv4_output_raw |
3545 | hidnplayr | 1039 | cmp eax, -1 |
3658 | hidnplayr | 1040 | je .error |
3545 | hidnplayr | 1041 | ret |
1042 | |||
3658 | hidnplayr | 1043 | .error: |
5842 | hidnplayr | 1044 | mov dword[esp+32], eax |
1045 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1046 | ret |
3545 | hidnplayr | 1047 | |
3658 | hidnplayr | 1048 | |
3545 | hidnplayr | 1049 | align 4 |
6011 | hidnplayr | 1050 | socket_send_icmp: |
3545 | hidnplayr | 1051 | |
3556 | hidnplayr | 1052 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1053 | |
1054 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1055 | call icmp_output_raw |
3545 | hidnplayr | 1056 | cmp eax, -1 |
3658 | hidnplayr | 1057 | je .error |
3545 | hidnplayr | 1058 | ret |
1059 | |||
3658 | hidnplayr | 1060 | .error: |
5842 | hidnplayr | 1061 | mov dword[esp+32], eax |
1062 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1063 | ret |
3545 | hidnplayr | 1064 | |
3658 | hidnplayr | 1065 | |
3545 | hidnplayr | 1066 | align 4 |
6011 | hidnplayr | 1067 | socket_send_pppoe: |
3545 | hidnplayr | 1068 | |
3556 | hidnplayr | 1069 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1070 | |
1071 | mov [esp+32], ecx |
||
1072 | mov ebx, [eax + SOCKET.device] |
||
1073 | |||
6011 | hidnplayr | 1074 | call pppoe_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1075 | cmp eax, -1 |
3658 | hidnplayr | 1076 | je .error |
3545 | hidnplayr | 1077 | ret |
1078 | |||
3658 | hidnplayr | 1079 | .error: |
1080 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1081 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1082 | ret |
3545 | hidnplayr | 1083 | |
1084 | |||
3658 | hidnplayr | 1085 | |
3545 | hidnplayr | 1086 | align 4 |
6011 | hidnplayr | 1087 | socket_send_local: |
3545 | hidnplayr | 1088 | |
1089 | ; does this socket have a PID yet? |
||
1090 | cmp [eax + SOCKET.PID], 0 |
||
1091 | jne @f |
||
1092 | |||
1093 | ; Change PID to that of current process |
||
1094 | mov ebx, [TASK_BASE] |
||
1095 | mov ebx, [ebx + TASKDATA.pid] |
||
1096 | mov [eax + SOCKET.PID], ebx |
||
1097 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1098 | @@: |
||
6011 | hidnplayr | 1099 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
3545 | hidnplayr | 1100 | |
1101 | align 4 |
||
6011 | hidnplayr | 1102 | socket_send_local_initialized: |
3545 | hidnplayr | 1103 | |
3556 | hidnplayr | 1104 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1105 | |
1106 | ; get the other side's socket and check if it still exists |
||
1107 | mov eax, [eax + SOCKET.device] |
||
6011 | hidnplayr | 1108 | call socket_check |
3658 | hidnplayr | 1109 | jz .invalid |
3545 | hidnplayr | 1110 | |
1111 | ; allright, shove in the data! |
||
1112 | push eax |
||
1113 | add eax, STREAM_SOCKET.rcv |
||
6011 | hidnplayr | 1114 | call socket_ring_write |
3545 | hidnplayr | 1115 | pop eax |
1116 | |||
1117 | ; return the number of written bytes (or errorcode) to application |
||
1118 | mov [esp+32], ecx |
||
1119 | |||
1120 | ; and notify the other end |
||
6011 | hidnplayr | 1121 | call socket_notify |
3545 | hidnplayr | 1122 | |
1123 | ret |
||
1124 | |||
3658 | hidnplayr | 1125 | .invalid: |
1126 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1127 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1128 | ret |
3545 | hidnplayr | 1129 | |
3658 | hidnplayr | 1130 | |
5976 | hidnplayr | 1131 | ;-----------------------------------------------------------------; |
1132 | ; ; |
||
6011 | hidnplayr | 1133 | ; socket_get_opt: Read a socket option ; |
5976 | hidnplayr | 1134 | ; ; |
1135 | ; IN: ecx = socket number ; |
||
1136 | ; edx = pointer to socket options struct ; |
||
1137 | ; ; |
||
1138 | ; OUT: eax = 0 on success ; |
||
1139 | ; eax = -1 on error ; |
||
1140 | ; ebx = errorcode on error ; |
||
1141 | ; ; |
||
1142 | ;-----------------------------------------------------------------; |
||
1143 | align 4 |
||
6011 | hidnplayr | 1144 | socket_get_opt: |
5976 | hidnplayr | 1145 | |
1146 | ; FIXME: |
||
3545 | hidnplayr | 1147 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1148 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1149 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1150 | |||
3556 | hidnplayr | 1151 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1152 | |
6011 | hidnplayr | 1153 | call socket_num_to_ptr |
5969 | hidnplayr | 1154 | test eax, eax |
3658 | hidnplayr | 1155 | jz .invalid |
3545 | hidnplayr | 1156 | |
1157 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1158 | jne .invalid |
3545 | hidnplayr | 1159 | cmp dword [edx+4], -2 |
1160 | je @f |
||
1161 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1162 | jne .invalid |
3545 | hidnplayr | 1163 | @@: |
1164 | ; mov eax, [edx+12] |
||
1165 | ; test eax, eax |
||
1166 | ; jz .fail |
||
1167 | ; cmp dword [eax], 4 |
||
1168 | ; mov dword [eax], 4 |
||
1169 | ; jb .fail |
||
1170 | ; stdcall net_socket_num_to_addr, ecx |
||
1171 | ; test eax, eax |
||
1172 | ; jz .fail |
||
1173 | ; ; todo: check that eax is really TCP socket |
||
1174 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1175 | ; cmp dword [edx+4], -2 |
||
1176 | ; jz @f |
||
1177 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1178 | @@: |
||
1179 | mov eax, [edx+8] |
||
1180 | test eax, eax |
||
1181 | jz @f |
||
1182 | mov [eax], ecx |
||
1183 | @@: |
||
1184 | mov dword [esp+32], 0 |
||
1185 | ret |
||
1186 | |||
3658 | hidnplayr | 1187 | .invalid: |
1188 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1189 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1190 | ret |
3545 | hidnplayr | 1191 | |
1192 | |||
5976 | hidnplayr | 1193 | ;-----------------------------------------------------------------; |
1194 | ; ; |
||
6011 | hidnplayr | 1195 | ; socket_set_options: Set a socket option. ; |
5976 | hidnplayr | 1196 | ; ; |
1197 | ; IN: ecx = socket number ; |
||
1198 | ; edx = pointer to socket options struct ; |
||
1199 | ; ; |
||
1200 | ; OUT: eax = 0 on success ; |
||
1201 | ; eax = -1 on error ; |
||
1202 | ; ebx = errorcode on error ; |
||
1203 | ; ; |
||
1204 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1205 | align 4 |
6011 | hidnplayr | 1206 | socket_set_opt: |
3545 | hidnplayr | 1207 | |
3556 | hidnplayr | 1208 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1209 | |
6011 | hidnplayr | 1210 | call socket_num_to_ptr |
5969 | hidnplayr | 1211 | test eax, eax |
3658 | hidnplayr | 1212 | jz .invalid |
3545 | hidnplayr | 1213 | |
5842 | hidnplayr | 1214 | cmp [edx + socket_options.level], IP_PROTO_IP |
1215 | je .ip |
||
1216 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1217 | jne .invalid |
3545 | hidnplayr | 1218 | |
5842 | hidnplayr | 1219 | .socket: |
1220 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1221 | jne .invalid |
||
3545 | hidnplayr | 1222 | |
1223 | .bind: |
||
5842 | hidnplayr | 1224 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1225 | je .unbind |
1226 | |||
5842 | hidnplayr | 1227 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1228 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1229 | ja .invalid |
3545 | hidnplayr | 1230 | |
7678 | hidnplayr | 1231 | mov edx, [net_drv_list + 4*edx] |
3545 | hidnplayr | 1232 | test edx, edx |
3658 | hidnplayr | 1233 | jz .already |
3545 | hidnplayr | 1234 | mov [eax + SOCKET.device], edx |
1235 | |||
5584 | hidnplayr | 1236 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1237 | |
3658 | hidnplayr | 1238 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1239 | ret |
1240 | |||
1241 | .unbind: |
||
1242 | mov [eax + SOCKET.device], 0 |
||
1243 | |||
3658 | hidnplayr | 1244 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1245 | ret |
1246 | |||
5842 | hidnplayr | 1247 | .ip: |
1248 | cmp [edx + socket_options.optname], IP_TTL |
||
1249 | jne .invalid |
||
1250 | |||
1251 | .ttl: |
||
1252 | mov bl, byte[edx + socket_options.optval] |
||
1253 | mov [eax + IP_SOCKET.ttl], bl |
||
1254 | |||
1255 | mov dword[esp+32], 0 ; success! |
||
1256 | ret |
||
1257 | |||
3658 | hidnplayr | 1258 | .already: |
3673 | hidnplayr | 1259 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1260 | mov dword[esp+32], -1 |
1261 | ret |
||
3545 | hidnplayr | 1262 | |
5842 | hidnplayr | 1263 | .invalid: |
1264 | mov dword[esp+20], EINVAL |
||
1265 | mov dword[esp+32], -1 |
||
1266 | ret |
||
3545 | hidnplayr | 1267 | |
3658 | hidnplayr | 1268 | |
1269 | |||
5842 | hidnplayr | 1270 | |
5976 | hidnplayr | 1271 | ;-----------------------------------------------------------------; |
1272 | ; ; |
||
6011 | hidnplayr | 1273 | ; socket_pair: Allocate a pair of linked local sockets. ; |
5976 | hidnplayr | 1274 | ; ; |
1275 | ; IN: / ; |
||
1276 | ; ; |
||
1277 | ; OUT: eax = socket1 num on success ; |
||
1278 | ; eax = -1 on error ; |
||
1279 | ; ebx = socket2 num on success ; |
||
1280 | ; ebx = errorcode on error ; |
||
1281 | ; ; |
||
1282 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1283 | align 4 |
6011 | hidnplayr | 1284 | socket_pair: |
3545 | hidnplayr | 1285 | |
3556 | hidnplayr | 1286 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1287 | |
6011 | hidnplayr | 1288 | call socket_alloc |
4535 | hidnplayr | 1289 | test eax, eax |
3658 | hidnplayr | 1290 | jz .nomem1 |
3545 | hidnplayr | 1291 | mov [esp+32], edi ; application's eax |
1292 | |||
1293 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1294 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1295 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1296 | mov [eax + SOCKET.snd_proc], socket_send_local |
1297 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1298 | mov [eax + SOCKET.PID], 0 |
1299 | mov ebx, eax |
||
1300 | |||
6011 | hidnplayr | 1301 | call socket_alloc |
4535 | hidnplayr | 1302 | test eax, eax |
3658 | hidnplayr | 1303 | jz .nomem2 |
3673 | hidnplayr | 1304 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1305 | |
1306 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1307 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1308 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1309 | mov [eax + SOCKET.snd_proc], socket_send_local |
1310 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1311 | mov [eax + SOCKET.PID], 0 |
1312 | |||
1313 | ; Link the two sockets to eachother |
||
1314 | mov [eax + SOCKET.device], ebx |
||
1315 | mov [ebx + SOCKET.device], eax |
||
1316 | |||
1317 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1318 | call socket_ring_create |
5155 | hidnplayr | 1319 | test eax, eax |
5969 | hidnplayr | 1320 | jz .nomem2 |
3545 | hidnplayr | 1321 | |
1322 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1323 | call socket_ring_create |
5155 | hidnplayr | 1324 | test eax, eax |
1325 | jz .nomem2 |
||
3545 | hidnplayr | 1326 | |
1327 | ret |
||
1328 | |||
3658 | hidnplayr | 1329 | .nomem2: |
5969 | hidnplayr | 1330 | mov eax, [esp+20] |
6011 | hidnplayr | 1331 | call socket_free |
5969 | hidnplayr | 1332 | |
3658 | hidnplayr | 1333 | .nomem1: |
5969 | hidnplayr | 1334 | mov eax, [esp+32] |
6011 | hidnplayr | 1335 | call socket_free |
5969 | hidnplayr | 1336 | |
3658 | hidnplayr | 1337 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1338 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1339 | ret |
3545 | hidnplayr | 1340 | |
1341 | |||
1342 | |||
5976 | hidnplayr | 1343 | ;-----------------------------------------------------------------; |
1344 | ; ; |
||
6011 | hidnplayr | 1345 | ; socket_debug: Copy socket variables to application buffer. ; |
5976 | hidnplayr | 1346 | ; ; |
1347 | ; IN: ecx = socket number ; |
||
1348 | ; edx = pointer to application buffer ; |
||
1349 | ; ; |
||
1350 | ; OUT: eax = 0 on success ; |
||
1351 | ; eax = -1 on error ; |
||
1352 | ; ebx = errorcode on error ; |
||
1353 | ; ; |
||
1354 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1355 | align 4 |
6011 | hidnplayr | 1356 | socket_debug: |
3545 | hidnplayr | 1357 | |
3556 | hidnplayr | 1358 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1359 | |
1360 | mov edi, edx |
||
1361 | |||
1362 | test ecx, ecx |
||
1363 | jz .returnall |
||
1364 | |||
6011 | hidnplayr | 1365 | call socket_num_to_ptr |
5969 | hidnplayr | 1366 | test eax, eax |
3658 | hidnplayr | 1367 | jz .invalid |
3545 | hidnplayr | 1368 | |
1369 | mov esi, eax |
||
6413 | hidnplayr | 1370 | mov ecx, SOCKET_STRUCT_SIZE/4 |
3711 | clevermous | 1371 | rep movsd |
3545 | hidnplayr | 1372 | |
3658 | hidnplayr | 1373 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1374 | ret |
1375 | |||
1376 | .returnall: |
||
1377 | mov ebx, net_sockets |
||
1378 | .next_socket: |
||
1379 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1380 | test ebx, ebx |
||
1381 | jz .done |
||
1382 | mov eax, [ebx + SOCKET.Number] |
||
1383 | stosd |
||
1384 | jmp .next_socket |
||
1385 | .done: |
||
1386 | xor eax, eax |
||
1387 | stosd |
||
3658 | hidnplayr | 1388 | mov dword[esp+32], eax |
1389 | ret |
||
3545 | hidnplayr | 1390 | |
3658 | hidnplayr | 1391 | .invalid: |
1392 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1393 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1394 | ret |
1395 | |||
1396 | |||
5976 | hidnplayr | 1397 | ;-----------------------------------------------------------------; |
1398 | ; ____ ____ ; |
||
1399 | ; \ / End of sockets API \ / ; |
||
1400 | ; \/ \/ ; |
||
1401 | ; () Internally used functions follow () ; |
||
1402 | ; ; |
||
1403 | ;-----------------------------------------------------------------; |
||
1404 | |||
1405 | |||
1406 | ;-----------------------------------------------------------------; |
||
1407 | ; ; |
||
6011 | hidnplayr | 1408 | ; socket_find_port: ; |
5976 | hidnplayr | 1409 | ; Fill in the local port number for TCP and UDP sockets ; |
1410 | ; This procedure always works because the number of sockets is ; |
||
1411 | ; limited to a smaller number then the number of possible ports ; |
||
1412 | ; ; |
||
1413 | ; IN: eax = socket pointer ; |
||
1414 | ; ; |
||
1415 | ; OUT: / ; |
||
1416 | ; ; |
||
1417 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1418 | align 4 |
6011 | hidnplayr | 1419 | socket_find_port: |
3545 | hidnplayr | 1420 | |
3556 | hidnplayr | 1421 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1422 | |
1423 | push ebx esi ecx |
||
1424 | |||
1425 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1426 | je .udp |
||
1427 | |||
1428 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1429 | je .tcp |
||
1430 | |||
1431 | pop ecx esi ebx |
||
1432 | ret |
||
1433 | |||
1434 | .udp: |
||
1435 | mov bx, [last_UDP_port] |
||
1436 | call .findit |
||
1437 | mov [last_UDP_port], bx |
||
1438 | |||
1439 | pop ecx esi ebx |
||
1440 | ret |
||
1441 | |||
1442 | .tcp: |
||
1443 | mov bx, [last_TCP_port] |
||
1444 | call .findit |
||
1445 | mov [last_TCP_port], bx |
||
1446 | |||
1447 | pop ecx esi ebx |
||
1448 | ret |
||
1449 | |||
1450 | |||
1451 | .restart: |
||
1452 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1453 | .findit: |
||
1454 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1455 | je .restart |
||
1456 | |||
1457 | add bh, 1 |
||
1458 | adc bl, 0 |
||
1459 | |||
6011 | hidnplayr | 1460 | call socket_check_port |
3545 | hidnplayr | 1461 | jz .findit |
1462 | ret |
||
1463 | |||
1464 | |||
1465 | |||
5976 | hidnplayr | 1466 | ;-----------------------------------------------------------------; |
1467 | ; ; |
||
6011 | hidnplayr | 1468 | ; socket_check_port: (to be used with AF_INET only!) ; |
5976 | hidnplayr | 1469 | ; Checks if a local port number is unused ; |
1470 | ; If the proposed port number is unused, it is filled in in the ; |
||
6011 | hidnplayr | 1471 | ; socket structure. ; |
5976 | hidnplayr | 1472 | ; ; |
1473 | ; IN: eax = socket ptr ; |
||
1474 | ; bx = proposed socket number (network byte order) ; |
||
1475 | ; ; |
||
1476 | ; OUT: ZF = set on error ; |
||
1477 | ; ; |
||
1478 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1479 | align 4 |
6011 | hidnplayr | 1480 | socket_check_port: |
3545 | hidnplayr | 1481 | |
3556 | hidnplayr | 1482 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1483 | |
3647 | hidnplayr | 1484 | pusha |
1485 | mov ecx, socket_mutex |
||
1486 | call mutex_lock |
||
1487 | popa |
||
1488 | |||
3545 | hidnplayr | 1489 | mov ecx, [eax + SOCKET.Protocol] |
1490 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1491 | mov esi, net_sockets |
||
1492 | |||
1493 | .next_socket: |
||
1494 | mov esi, [esi + SOCKET.NextPtr] |
||
1495 | or esi, esi |
||
1496 | jz .port_ok |
||
1497 | |||
1498 | cmp [esi + SOCKET.Protocol], ecx |
||
1499 | jne .next_socket |
||
1500 | |||
1501 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1502 | jne .next_socket |
||
1503 | |||
1504 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1505 | jne .next_socket |
||
1506 | |||
3647 | hidnplayr | 1507 | pusha |
1508 | mov ecx, socket_mutex |
||
1509 | call mutex_unlock |
||
1510 | popa |
||
1511 | |||
3556 | hidnplayr | 1512 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1513 | ret |
1514 | |||
1515 | .port_ok: |
||
3647 | hidnplayr | 1516 | pusha |
1517 | mov ecx, socket_mutex |
||
1518 | call mutex_unlock |
||
1519 | popa |
||
1520 | |||
3556 | hidnplayr | 1521 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1522 | mov [eax + UDP_SOCKET.LocalPort], bx |
1523 | or bx, bx ; clear the zero-flag |
||
1524 | ret |
||
1525 | |||
1526 | |||
1527 | |||
5976 | hidnplayr | 1528 | ;-----------------------------------------------------------------; |
1529 | ; ; |
||
6011 | hidnplayr | 1530 | ; socket_input: Update a (stateless) socket with received data. ; |
5976 | hidnplayr | 1531 | ; ; |
1532 | ; Note: The socket's mutex should already be set ! ; |
||
1533 | ; ; |
||
1534 | ; IN: eax = socket ptr ; |
||
1535 | ; ecx = data size ; |
||
1536 | ; esi = ptr to data ; |
||
1537 | ; [esp] = ptr to buf ; |
||
1538 | ; ; |
||
1539 | ; OUT: / ; |
||
1540 | ; ; |
||
1541 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1542 | align 4 |
6011 | hidnplayr | 1543 | socket_input: |
3545 | hidnplayr | 1544 | |
3556 | hidnplayr | 1545 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1546 | |
5522 | hidnplayr | 1547 | push ecx |
3545 | hidnplayr | 1548 | push esi |
1549 | mov esi, esp |
||
1550 | |||
6011 | hidnplayr | 1551 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
3545 | hidnplayr | 1552 | |
3556 | hidnplayr | 1553 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1554 | add esp, sizeof.socket_queue_entry |
1555 | |||
1556 | pusha |
||
1557 | lea ecx, [eax + SOCKET.mutex] |
||
1558 | call mutex_unlock |
||
1559 | popa |
||
1560 | |||
6011 | hidnplayr | 1561 | jmp socket_notify |
3545 | hidnplayr | 1562 | |
1563 | .full: |
||
3556 | hidnplayr | 1564 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1565 | |
1566 | pusha |
||
1567 | lea ecx, [eax + SOCKET.mutex] |
||
1568 | call mutex_unlock |
||
1569 | popa |
||
1570 | |||
5842 | hidnplayr | 1571 | add esp, 8 |
6011 | hidnplayr | 1572 | call net_buff_free |
3545 | hidnplayr | 1573 | ret |
1574 | |||
1575 | |||
5976 | hidnplayr | 1576 | ;-----------------------------------------------------------------; |
1577 | ; ; |
||
6011 | hidnplayr | 1578 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
5976 | hidnplayr | 1579 | ; ; |
1580 | ; IN: eax = ptr to ring struct ; |
||
1581 | ; ; |
||
1582 | ; OUT: eax = 0 on error ; |
||
1583 | ; eax = start ptr ; |
||
1584 | ; ; |
||
1585 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1586 | align 4 |
6011 | hidnplayr | 1587 | socket_ring_create: |
3545 | hidnplayr | 1588 | |
1589 | push esi |
||
1590 | mov esi, eax |
||
1591 | |||
1592 | push edx |
||
6413 | hidnplayr | 1593 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
3545 | hidnplayr | 1594 | pop edx |
5155 | hidnplayr | 1595 | test eax, eax |
1596 | jz .fail |
||
3545 | hidnplayr | 1597 | |
5969 | hidnplayr | 1598 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1599 | |
1600 | pusha |
||
1601 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1602 | call mutex_init |
||
1603 | popa |
||
1604 | |||
1605 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1606 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1607 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1608 | mov [esi + RING_BUFFER.size], 0 |
||
6413 | hidnplayr | 1609 | add eax, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1610 | mov [esi + RING_BUFFER.end_ptr], eax |
1611 | mov eax, esi |
||
1612 | |||
5969 | hidnplayr | 1613 | pop esi |
1614 | ret |
||
1615 | |||
5155 | hidnplayr | 1616 | .fail: |
5969 | hidnplayr | 1617 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1618 | pop esi |
3545 | hidnplayr | 1619 | ret |
1620 | |||
5976 | hidnplayr | 1621 | ;-----------------------------------------------------------------; |
1622 | ; ; |
||
6011 | hidnplayr | 1623 | ; socket_ring_write: Write data to ring buffer. ; |
5976 | hidnplayr | 1624 | ; ; |
1625 | ; IN: eax = ptr to ring struct ; |
||
1626 | ; ecx = data size ; |
||
1627 | ; esi = ptr to data ; |
||
1628 | ; ; |
||
1629 | ; OUT: ecx = number of bytes stored ; |
||
1630 | ; ; |
||
1631 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1632 | align 4 |
6011 | hidnplayr | 1633 | socket_ring_write: |
3545 | hidnplayr | 1634 | |
3556 | hidnplayr | 1635 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1636 | |
1637 | ; lock mutex |
||
1638 | pusha |
||
1639 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1640 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1641 | popa |
||
1642 | |||
1643 | ; calculate available size |
||
6413 | hidnplayr | 1644 | mov edi, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1645 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1646 | cmp ecx, edi |
||
1647 | jbe .copy |
||
1648 | mov ecx, edi |
||
1649 | .copy: |
||
1650 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1651 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1652 | |
1653 | ; update write ptr |
||
1654 | push edi |
||
1655 | add edi, ecx |
||
1656 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1657 | jb @f |
||
6413 | hidnplayr | 1658 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
3545 | hidnplayr | 1659 | @@: |
5155 | hidnplayr | 1660 | |
3545 | hidnplayr | 1661 | mov [eax + RING_BUFFER.write_ptr], edi |
1662 | pop edi |
||
1663 | |||
1664 | ; update size |
||
1665 | add [eax + RING_BUFFER.size], ecx |
||
1666 | |||
1667 | ; copy the data |
||
1668 | push ecx |
||
1669 | shr ecx, 1 |
||
1670 | jnc .nb |
||
1671 | movsb |
||
1672 | .nb: |
||
1673 | shr ecx, 1 |
||
1674 | jnc .nw |
||
1675 | movsw |
||
1676 | .nw: |
||
1677 | test ecx, ecx |
||
1678 | jz .nd |
||
3711 | clevermous | 1679 | rep movsd |
3545 | hidnplayr | 1680 | .nd: |
1681 | pop ecx |
||
1682 | |||
1683 | ; unlock mutex |
||
4344 | hidnplayr | 1684 | pusha |
3545 | hidnplayr | 1685 | lea ecx, [eax + RING_BUFFER.mutex] |
1686 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1687 | popa |
3545 | hidnplayr | 1688 | |
1689 | ret |
||
1690 | |||
5976 | hidnplayr | 1691 | ;-----------------------------------------------------------------; |
1692 | ; ; |
||
6011 | hidnplayr | 1693 | ; socket_ring_read: Read from ring buffer ; |
5976 | hidnplayr | 1694 | ; ; |
1695 | ; IN: eax = ring struct ptr ; |
||
1696 | ; ecx = bytes to read ; |
||
1697 | ; edx = offset ; |
||
1698 | ; edi = ptr to buffer start ; |
||
1699 | ; ; |
||
1700 | ; OUT: eax = unchanged ; |
||
1701 | ; ecx = number of bytes read (0 on error) ; |
||
1702 | ; edx = destroyed ; |
||
1703 | ; esi = destroyed ; |
||
1704 | ; edi = ptr to buffer end ; |
||
1705 | ; ; |
||
1706 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1707 | align 4 |
6011 | hidnplayr | 1708 | socket_ring_read: |
3545 | hidnplayr | 1709 | |
3556 | hidnplayr | 1710 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1711 | |
1712 | pusha |
||
1713 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1714 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1715 | popa |
||
1716 | |||
1717 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1718 | add esi, edx ; esi = start_ptr + offset |
||
1719 | |||
1720 | neg edx |
||
1721 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1722 | jle .no_data_at_all |
||
1723 | |||
1724 | pusha |
||
1725 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1726 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1727 | popa |
||
1728 | |||
1729 | cmp ecx, edx |
||
1730 | ja .less_data |
||
1731 | |||
1732 | .copy: |
||
3556 | hidnplayr | 1733 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1734 | push ecx |
1735 | shr ecx, 1 |
||
1736 | jnc .nb |
||
1737 | movsb |
||
1738 | .nb: |
||
1739 | shr ecx, 1 |
||
1740 | jnc .nw |
||
1741 | movsw |
||
1742 | .nw: |
||
1743 | test ecx, ecx |
||
1744 | jz .nd |
||
3711 | clevermous | 1745 | rep movsd |
3545 | hidnplayr | 1746 | .nd: |
1747 | pop ecx |
||
1748 | ret |
||
1749 | |||
1750 | .no_data_at_all: |
||
1751 | pusha |
||
1752 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1753 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1754 | popa |
||
1755 | |||
3556 | hidnplayr | 1756 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1757 | xor ecx, ecx |
1758 | ret |
||
1759 | |||
1760 | .less_data: |
||
1761 | mov ecx, edx |
||
1762 | jmp .copy |
||
1763 | |||
1764 | |||
5976 | hidnplayr | 1765 | ;-----------------------------------------------------------------; |
1766 | ; ; |
||
6011 | hidnplayr | 1767 | ; socket_ring_free: Free data from a ringbuffer. ; |
5976 | hidnplayr | 1768 | ; ; |
1769 | ; IN: eax = ptr to ring struct ; |
||
1770 | ; ecx = data size ; |
||
1771 | ; ; |
||
1772 | ; OUT: ecx = number of freed bytes ; |
||
1773 | ; ; |
||
1774 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1775 | align 4 |
6011 | hidnplayr | 1776 | socket_ring_free: |
3545 | hidnplayr | 1777 | |
3556 | hidnplayr | 1778 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1779 | |
1780 | push eax ecx |
||
1781 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1782 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1783 | pop ecx eax |
||
1784 | |||
1785 | sub [eax + RING_BUFFER.size], ecx |
||
1786 | jb .error |
||
1787 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1788 | |||
1789 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1790 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1791 | jb @f |
||
6413 | hidnplayr | 1792 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1793 | @@: |
1794 | |||
1795 | push eax ecx |
||
1796 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1797 | call mutex_unlock |
||
1798 | pop ecx eax |
||
1799 | |||
1800 | ret |
||
1801 | |||
1802 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1803 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1804 | add [eax + RING_BUFFER.size], ecx |
1805 | |||
1806 | push eax |
||
1807 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1808 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1809 | pop eax |
||
1810 | |||
1811 | xor ecx, ecx |
||
1812 | ret |
||
1813 | |||
1814 | |||
5976 | hidnplayr | 1815 | ;-----------------------------------------------------------------; |
1816 | ; ; |
||
6011 | hidnplayr | 1817 | ; socket_block: Suspend the thread attached to a socket. ; |
5976 | hidnplayr | 1818 | ; ; |
1819 | ; IN: eax = socket ptr ; |
||
1820 | ; ; |
||
1821 | ; OUT: eax = unchanged ; |
||
1822 | ; ; |
||
1823 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1824 | align 4 |
6011 | hidnplayr | 1825 | socket_block: |
3545 | hidnplayr | 1826 | |
6908 | ashmew2 | 1827 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1828 | |
4520 | hidnplayr | 1829 | push eax |
1830 | |||
3545 | hidnplayr | 1831 | pushf |
1832 | cli |
||
1833 | |||
1834 | ; Set the 'socket is blocked' flag |
||
1835 | or [eax + SOCKET.state], SS_BLOCKED |
||
1836 | |||
1837 | ; Suspend the thread |
||
1838 | push edx |
||
1839 | mov edx, [TASK_BASE] |
||
1840 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1841 | |||
1842 | ; Remember the thread ID so we can wake it up again |
||
1843 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1844 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1845 | mov [eax + SOCKET.TID], edx |
1846 | pop edx |
||
4520 | hidnplayr | 1847 | popf |
3545 | hidnplayr | 1848 | |
1849 | call change_task |
||
3674 | hidnplayr | 1850 | pop eax |
3545 | hidnplayr | 1851 | |
6908 | ashmew2 | 1852 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1853 | |
1854 | ret |
||
1855 | |||
1856 | |||
5976 | hidnplayr | 1857 | ;-----------------------------------------------------------------; |
1858 | ; ; |
||
6011 | hidnplayr | 1859 | ; socket_notify: Wake up socket owner thread. ; |
5976 | hidnplayr | 1860 | ; ; |
1861 | ; IN: eax = socket ptr ; |
||
1862 | ; ; |
||
1863 | ; OUT: eax = unchanged ; |
||
1864 | ; ; |
||
1865 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1866 | align 4 |
6011 | hidnplayr | 1867 | socket_notify: |
3545 | hidnplayr | 1868 | |
3556 | hidnplayr | 1869 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1870 | |
6011 | hidnplayr | 1871 | call socket_check |
3545 | hidnplayr | 1872 | jz .error |
1873 | |||
4527 | hidnplayr | 1874 | ; Find the associated thread's TASK_DATA |
1875 | push ebx ecx esi |
||
1876 | mov ebx, [eax + SOCKET.TID] |
||
1877 | test ebx, ebx |
||
1878 | jz .error2 |
||
1879 | xor ecx, ecx |
||
3545 | hidnplayr | 1880 | inc ecx |
4527 | hidnplayr | 1881 | mov esi, TASK_DATA |
1882 | .next: |
||
1883 | cmp [esi + TASKDATA.pid], ebx |
||
1884 | je .found |
||
1885 | inc ecx |
||
3545 | hidnplayr | 1886 | add esi, 0x20 |
1887 | cmp ecx, [TASK_COUNT] |
||
4527 | hidnplayr | 1888 | jbe .next |
1889 | |||
1890 | .error2: |
||
3545 | hidnplayr | 1891 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1892 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1893 | pop esi ecx ebx |
||
1894 | ret |
||
3545 | hidnplayr | 1895 | |
4527 | hidnplayr | 1896 | .error: |
4528 | hidnplayr | 1897 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1898 | ret |
1899 | |||
1900 | .found: |
||
1901 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1902 | jnz .un_block |
4527 | hidnplayr | 1903 | |
5976 | hidnplayr | 1904 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1905 | ; We'll try to flag an event to the thread. |
3545 | hidnplayr | 1906 | shl ecx, 8 |
6908 | ashmew2 | 1907 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
3545 | hidnplayr | 1908 | |
6413 | hidnplayr | 1909 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
4527 | hidnplayr | 1910 | pop esi ecx ebx |
1911 | ret |
||
3545 | hidnplayr | 1912 | |
4527 | hidnplayr | 1913 | |
4528 | hidnplayr | 1914 | .un_block: |
5976 | hidnplayr | 1915 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1916 | ; We'll try to unblock it. |
1917 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
1918 | mov [esi + TASKDATA.state], 0 ; Run the thread |
||
3545 | hidnplayr | 1919 | |
6908 | ashmew2 | 1920 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1921 | pop esi ecx ebx |
3545 | hidnplayr | 1922 | ret |
1923 | |||
1924 | |||
5976 | hidnplayr | 1925 | ;-----------------------------------------------------------------; |
1926 | ; ; |
||
6011 | hidnplayr | 1927 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1928 | ; into the list. Newly created socket is initialized with calling ; |
||
1929 | ; PID and given a socket number. ; |
||
5976 | hidnplayr | 1930 | ; ; |
1931 | ; IN: / ; |
||
1932 | ; ; |
||
1933 | ; OUT: eax = socket ptr on success ; |
||
1934 | ; eax = 0 on error ; |
||
1935 | ; edi = socket number on success ; |
||
1936 | ; ; |
||
1937 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1938 | align 4 |
6011 | hidnplayr | 1939 | socket_alloc: |
3545 | hidnplayr | 1940 | |
1941 | push ebx |
||
1942 | |||
6413 | hidnplayr | 1943 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
5969 | hidnplayr | 1944 | or eax, eax |
1945 | jz .nomem |
||
3556 | hidnplayr | 1946 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1947 | |
1948 | ; zero-initialize allocated memory |
||
1949 | push eax |
||
1950 | mov edi, eax |
||
6413 | hidnplayr | 1951 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
3545 | hidnplayr | 1952 | xor eax, eax |
3711 | clevermous | 1953 | rep stosd |
3545 | hidnplayr | 1954 | pop eax |
1955 | |||
1956 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1957 | mov [eax + SOCKET.snd_proc], .not_yet |
1958 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1959 | |
3647 | hidnplayr | 1960 | pusha |
1961 | mov ecx, socket_mutex |
||
1962 | call mutex_lock |
||
1963 | popa |
||
1964 | |||
3545 | hidnplayr | 1965 | ; find first free socket number and use it |
1966 | mov edi, [last_socket_num] |
||
1967 | .next_socket_number: |
||
1968 | inc edi |
||
1969 | jz .next_socket_number ; avoid socket nr 0 |
||
1970 | cmp edi, -1 |
||
1971 | je .next_socket_number ; avoid socket nr -1 |
||
1972 | mov ebx, net_sockets |
||
1973 | .next_socket: |
||
1974 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1975 | test ebx, ebx |
||
1976 | jz .last_socket |
||
1977 | |||
1978 | cmp [ebx + SOCKET.Number], edi |
||
1979 | jne .next_socket |
||
1980 | jmp .next_socket_number |
||
1981 | |||
1982 | .last_socket: |
||
1983 | mov [last_socket_num], edi |
||
1984 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1985 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1986 | |
1987 | ; Fill in PID |
||
1988 | mov ebx, [TASK_BASE] |
||
1989 | mov ebx, [ebx + TASKDATA.pid] |
||
1990 | mov [eax + SOCKET.PID], ebx |
||
1991 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1992 | |||
1993 | ; init mutex |
||
1994 | pusha |
||
1995 | lea ecx, [eax + SOCKET.mutex] |
||
1996 | call mutex_init |
||
1997 | popa |
||
1998 | |||
1999 | ; add socket to the list by re-arranging some pointers |
||
2000 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2001 | |||
2002 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2003 | mov [eax + SOCKET.NextPtr], ebx |
||
2004 | |||
2005 | test ebx, ebx |
||
2006 | jz @f |
||
2007 | |||
2008 | pusha |
||
2009 | lea ecx, [ebx + SOCKET.mutex] |
||
2010 | call mutex_lock |
||
2011 | popa |
||
2012 | |||
2013 | mov [ebx + SOCKET.PrevPtr], eax |
||
2014 | |||
2015 | pusha |
||
2016 | lea ecx, [ebx + SOCKET.mutex] |
||
2017 | call mutex_unlock |
||
2018 | popa |
||
2019 | @@: |
||
2020 | |||
2021 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2022 | |
2023 | pusha |
||
2024 | mov ecx, socket_mutex |
||
2025 | call mutex_unlock |
||
2026 | popa |
||
3545 | hidnplayr | 2027 | pop ebx |
2028 | |||
2029 | ret |
||
2030 | |||
5969 | hidnplayr | 2031 | .nomem: |
2032 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2033 | pop ebx |
||
2034 | ret |
||
2035 | |||
3658 | hidnplayr | 2036 | .not_yet: |
3673 | hidnplayr | 2037 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2038 | mov dword[esp+32], -1 |
2039 | ret |
||
3545 | hidnplayr | 2040 | |
3658 | hidnplayr | 2041 | |
5976 | hidnplayr | 2042 | ;-----------------------------------------------------------------; |
2043 | ; ; |
||
6011 | hidnplayr | 2044 | ; socket_free: Free socket data memory and remove socket from ; |
2045 | ; the list. Caller should lock and unlock socket_mutex. ; |
||
5976 | hidnplayr | 2046 | ; ; |
2047 | ; IN: eax = socket ptr ; |
||
2048 | ; ; |
||
2049 | ; OUT: / ; |
||
2050 | ; ; |
||
2051 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2052 | align 4 |
6011 | hidnplayr | 2053 | socket_free: |
3545 | hidnplayr | 2054 | |
3556 | hidnplayr | 2055 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2056 | |
6011 | hidnplayr | 2057 | call socket_check |
3545 | hidnplayr | 2058 | jz .error |
2059 | |||
2060 | push ebx |
||
2061 | |||
2062 | pusha |
||
2063 | lea ecx, [eax + SOCKET.mutex] |
||
2064 | call mutex_lock |
||
2065 | popa |
||
2066 | |||
5969 | hidnplayr | 2067 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2068 | jne .no_stream |
||
3545 | hidnplayr | 2069 | |
2070 | mov ebx, eax |
||
5969 | hidnplayr | 2071 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2072 | je @f |
||
2073 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2074 | @@: |
||
2075 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2076 | je @f |
||
2077 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2078 | @@: |
||
3545 | hidnplayr | 2079 | mov eax, ebx |
5969 | hidnplayr | 2080 | .no_stream: |
3545 | hidnplayr | 2081 | |
3652 | hidnplayr | 2082 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2083 | push eax ; this will be passed to kernel_free |
2084 | mov ebx, [eax + SOCKET.NextPtr] |
||
2085 | mov eax, [eax + SOCKET.PrevPtr] |
||
2086 | |||
3556 | hidnplayr | 2087 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2088 | |
2089 | test eax, eax |
||
2090 | jz @f |
||
2091 | mov [eax + SOCKET.NextPtr], ebx |
||
2092 | @@: |
||
2093 | |||
2094 | test ebx, ebx |
||
2095 | jz @f |
||
2096 | mov [ebx + SOCKET.PrevPtr], eax |
||
2097 | @@: |
||
2098 | |||
2099 | call kernel_free |
||
2100 | pop ebx |
||
2101 | |||
3652 | hidnplayr | 2102 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2103 | |||
2104 | .error: |
||
3545 | hidnplayr | 2105 | ret |
2106 | |||
5969 | hidnplayr | 2107 | .error1: |
2108 | pop ebx |
||
5976 | hidnplayr | 2109 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2110 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2111 | ret |
||
2112 | |||
5976 | hidnplayr | 2113 | ;-----------------------------------------------------------------; |
2114 | ; ; |
||
6011 | hidnplayr | 2115 | ; socket_fork: Create a child socket. ; |
5976 | hidnplayr | 2116 | ; ; |
2117 | ; IN: ebx = socket number ; |
||
2118 | ; ; |
||
2119 | ; OUT: eax = child socket number on success ; |
||
2120 | ; eax = 0 on error ; |
||
2121 | ; ; |
||
2122 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2123 | align 4 |
6011 | hidnplayr | 2124 | socket_fork: |
3545 | hidnplayr | 2125 | |
3556 | hidnplayr | 2126 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2127 | |
2128 | ; Exit if backlog queue is full |
||
2129 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2130 | cmp ax, [ebx + SOCKET.backlog] |
||
2131 | jae .fail |
||
2132 | |||
2133 | ; Allocate new socket |
||
2134 | push ebx |
||
6011 | hidnplayr | 2135 | call socket_alloc |
3545 | hidnplayr | 2136 | pop ebx |
4535 | hidnplayr | 2137 | test eax, eax |
3545 | hidnplayr | 2138 | jz .fail |
2139 | |||
2140 | push eax |
||
2141 | mov esi, esp |
||
2142 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2143 | pop eax |
||
2144 | |||
2145 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2146 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2147 | ; TID will be filled in later |
||
3545 | hidnplayr | 2148 | lea esi, [ebx + SOCKET.PID] |
2149 | lea edi, [eax + SOCKET.PID] |
||
2150 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2151 | rep movsd |
3545 | hidnplayr | 2152 | |
2153 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2154 | |||
3817 | hidnplayr | 2155 | ; Notify owner of parent socket |
2156 | push eax |
||
2157 | mov eax, ebx |
||
6011 | hidnplayr | 2158 | call socket_notify |
3817 | hidnplayr | 2159 | pop eax |
2160 | |||
3545 | hidnplayr | 2161 | ret |
2162 | |||
2163 | .fail2: |
||
2164 | add esp, 4+4+4 |
||
2165 | .fail: |
||
3556 | hidnplayr | 2166 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2167 | xor eax, eax |
2168 | ret |
||
2169 | |||
2170 | |||
5976 | hidnplayr | 2171 | ;-----------------------------------------------------------------; |
2172 | ; ; |
||
6011 | hidnplayr | 2173 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
5976 | hidnplayr | 2174 | ; ; |
2175 | ; IN: ecx = socket number ; |
||
2176 | ; ; |
||
2177 | ; OUT: eax = socket ptr ; |
||
2178 | ; eax = 0 on error ; |
||
2179 | ; ; |
||
2180 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2181 | align 4 |
6011 | hidnplayr | 2182 | socket_num_to_ptr: |
3545 | hidnplayr | 2183 | |
3556 | hidnplayr | 2184 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2185 | |
3647 | hidnplayr | 2186 | pusha |
2187 | mov ecx, socket_mutex |
||
2188 | call mutex_lock |
||
2189 | popa |
||
2190 | |||
3545 | hidnplayr | 2191 | mov eax, net_sockets |
2192 | .next_socket: |
||
2193 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2194 | test eax, eax |
3545 | hidnplayr | 2195 | jz .error |
2196 | cmp [eax + SOCKET.Number], ecx |
||
2197 | jne .next_socket |
||
2198 | |||
3647 | hidnplayr | 2199 | pusha |
2200 | mov ecx, socket_mutex |
||
2201 | call mutex_unlock |
||
2202 | popa |
||
2203 | |||
3556 | hidnplayr | 2204 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2205 | ret |
2206 | |||
2207 | .error: |
||
3647 | hidnplayr | 2208 | pusha |
2209 | mov ecx, socket_mutex |
||
2210 | call mutex_unlock |
||
2211 | popa |
||
2212 | |||
4574 | hidnplayr | 2213 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2214 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2215 | ret |
2216 | |||
2217 | |||
5976 | hidnplayr | 2218 | ;-----------------------------------------------------------------; |
2219 | ; ; |
||
6011 | hidnplayr | 2220 | ; socket_ptr_to_num: Get socket number by its address. ; |
5976 | hidnplayr | 2221 | ; ; |
2222 | ; IN: eax = socket ptr ; |
||
2223 | ; ; |
||
2224 | ; OUT: eax = socket number ; |
||
2225 | ; eax = 0 on error ; |
||
2226 | ; ZF = set on error ; |
||
2227 | ; ; |
||
2228 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2229 | align 4 |
6011 | hidnplayr | 2230 | socket_ptr_to_num: |
3545 | hidnplayr | 2231 | |
3556 | hidnplayr | 2232 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2233 | |
6011 | hidnplayr | 2234 | call socket_check |
3545 | hidnplayr | 2235 | jz .error |
2236 | |||
2237 | mov eax, [eax + SOCKET.Number] |
||
2238 | |||
3556 | hidnplayr | 2239 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2240 | ret |
2241 | |||
2242 | .error: |
||
3556 | hidnplayr | 2243 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2244 | ret |
2245 | |||
2246 | |||
5976 | hidnplayr | 2247 | ;-----------------------------------------------------------------; |
2248 | ; ; |
||
6011 | hidnplayr | 2249 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
5976 | hidnplayr | 2250 | ; ; |
2251 | ; IN: eax = socket ptr ; |
||
2252 | ; ; |
||
2253 | ; OUT: eax = 0 on error ; |
||
2254 | ; ZF = set on error ; |
||
2255 | ; ; |
||
2256 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2257 | align 4 |
6011 | hidnplayr | 2258 | socket_check: |
3545 | hidnplayr | 2259 | |
3556 | hidnplayr | 2260 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2261 | |
5969 | hidnplayr | 2262 | test eax, eax |
2263 | jz .error |
||
3545 | hidnplayr | 2264 | push ebx |
2265 | mov ebx, net_sockets |
||
2266 | |||
2267 | .next_socket: |
||
2268 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2269 | or ebx, ebx |
||
2270 | jz .done |
||
2271 | cmp ebx, eax |
||
2272 | jnz .next_socket |
||
2273 | |||
2274 | .done: |
||
2275 | mov eax, ebx |
||
2276 | test eax, eax |
||
2277 | pop ebx |
||
5969 | hidnplayr | 2278 | ret |
3545 | hidnplayr | 2279 | |
5969 | hidnplayr | 2280 | .error: |
5976 | hidnplayr | 2281 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2282 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2283 | ret |
2284 | |||
2285 | |||
2286 | |||
5976 | hidnplayr | 2287 | ;-----------------------------------------------------------------; |
2288 | ; ; |
||
6011 | hidnplayr | 2289 | ; socket_check_owner: Check if the caller app owns the socket. ; |
5976 | hidnplayr | 2290 | ; ; |
2291 | ; IN: eax = socket ptr ; |
||
2292 | ; ; |
||
2293 | ; OUT: ZF = true/false ; |
||
2294 | ; ; |
||
2295 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2296 | align 4 |
6011 | hidnplayr | 2297 | socket_check_owner: |
3545 | hidnplayr | 2298 | |
3556 | hidnplayr | 2299 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2300 | |
2301 | push ebx |
||
2302 | mov ebx, [TASK_BASE] |
||
2303 | mov ebx, [ebx + TASKDATA.pid] |
||
2304 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2305 | pop ebx |
3545 | hidnplayr | 2306 | |
2307 | ret |
||
2308 | |||
2309 | |||
2310 | |||
2311 | |||
5976 | hidnplayr | 2312 | ;-----------------------------------------------------------------; |
2313 | ; ; |
||
6011 | hidnplayr | 2314 | ; socket_process_end: Kernel calls this function when a certain ; |
2315 | ; process ends. This function will check if the process had any ; |
||
2316 | ; open sockets and update them accordingly (clean up). ; |
||
5976 | hidnplayr | 2317 | ; ; |
2318 | ; IN: edx = pid ; |
||
2319 | ; ; |
||
2320 | ; OUT: / ; |
||
2321 | ; ; |
||
2322 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2323 | align 4 |
6011 | hidnplayr | 2324 | socket_process_end: |
3545 | hidnplayr | 2325 | |
4436 | hidnplayr | 2326 | ret ; FIXME |
2327 | |||
4056 | hidnplayr | 2328 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2329 | je .quickret ; nope, exit immediately |
||
2330 | |||
2331 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2332 | |||
3556 | hidnplayr | 2333 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2334 | |
3647 | hidnplayr | 2335 | pusha |
2336 | mov ecx, socket_mutex |
||
2337 | call mutex_lock |
||
2338 | popa |
||
2339 | |||
3545 | hidnplayr | 2340 | push ebx |
2341 | mov ebx, net_sockets |
||
2342 | |||
2343 | .next_socket: |
||
2344 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2345 | .next_socket_test: |
||
2346 | test ebx, ebx |
||
2347 | jz .done |
||
2348 | |||
2349 | cmp [ebx + SOCKET.PID], edx |
||
2350 | jne .next_socket |
||
2351 | |||
3556 | hidnplayr | 2352 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2353 | |
2354 | mov [ebx + SOCKET.PID], 0 |
||
2355 | mov eax, ebx |
||
2356 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2357 | |
3545 | hidnplayr | 2358 | pusha |
3652 | hidnplayr | 2359 | cmp [eax + SOCKET.Domain], AF_INET4 |
2360 | jne .free |
||
2361 | |||
2362 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2363 | jne .free |
||
2364 | |||
6011 | hidnplayr | 2365 | call tcp_disconnect |
3652 | hidnplayr | 2366 | jmp .closed |
2367 | |||
2368 | .free: |
||
6011 | hidnplayr | 2369 | call socket_free |
3652 | hidnplayr | 2370 | |
2371 | .closed: |
||
3545 | hidnplayr | 2372 | popa |
2373 | jmp .next_socket_test |
||
2374 | |||
2375 | .done: |
||
2376 | pop ebx |
||
2377 | |||
3647 | hidnplayr | 2378 | pusha |
2379 | mov ecx, socket_mutex |
||
2380 | call mutex_unlock |
||
2381 | popa |
||
2382 | |||
4056 | hidnplayr | 2383 | .quickret: |
3545 | hidnplayr | 2384 | ret |
2385 | |||
2386 | |||
2387 | |||
2388 | |||
5976 | hidnplayr | 2389 | ;-----------------------------------------------------------------; |
2390 | ; ; |
||
6011 | hidnplayr | 2391 | ; socket_is_connecting: Update socket state. ; |
5976 | hidnplayr | 2392 | ; ; |
2393 | ; IN: eax = socket ptr ; |
||
2394 | ; ; |
||
2395 | ; OUT: / ; |
||
2396 | ; ; |
||
2397 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2398 | align 4 |
6011 | hidnplayr | 2399 | socket_is_connecting: |
3545 | hidnplayr | 2400 | |
3556 | hidnplayr | 2401 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2402 | |
4025 | hidnplayr | 2403 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2404 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2405 | ret |
||
3545 | hidnplayr | 2406 | |
2407 | |||
2408 | |||
5976 | hidnplayr | 2409 | ;-----------------------------------------------------------------; |
2410 | ; ; |
||
6011 | hidnplayr | 2411 | ; socket_is_connected: Update socket state. ; |
5976 | hidnplayr | 2412 | ; ; |
2413 | ; IN: eax = socket ptr ; |
||
2414 | ; ; |
||
2415 | ; OUT: / ; |
||
2416 | ; ; |
||
2417 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2418 | align 4 |
6011 | hidnplayr | 2419 | socket_is_connected: |
3545 | hidnplayr | 2420 | |
3556 | hidnplayr | 2421 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2422 | |
3674 | hidnplayr | 2423 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2424 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
6011 | hidnplayr | 2425 | jmp socket_notify |
3545 | hidnplayr | 2426 | |
2427 | |||
2428 | |||
2429 | |||
5976 | hidnplayr | 2430 | ;-----------------------------------------------------------------; |
2431 | ; ; |
||
6011 | hidnplayr | 2432 | ; socket_is_disconnecting: Update socket state. ; |
5976 | hidnplayr | 2433 | ; ; |
2434 | ; IN: eax = socket ptr ; |
||
2435 | ; ; |
||
2436 | ; OUT: / ; |
||
2437 | ; ; |
||
2438 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2439 | align 4 |
6011 | hidnplayr | 2440 | socket_is_disconnecting: |
3545 | hidnplayr | 2441 | |
3556 | hidnplayr | 2442 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2443 | |
3674 | hidnplayr | 2444 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2445 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2446 | jmp socket_notify |
3545 | hidnplayr | 2447 | |
2448 | |||
2449 | |||
5976 | hidnplayr | 2450 | ;-----------------------------------------------------------------; |
2451 | ; ; |
||
6011 | hidnplayr | 2452 | ; socket_is_disconnected: Update socket state. ; |
5976 | hidnplayr | 2453 | ; ; |
2454 | ; IN: eax = socket ptr ; |
||
2455 | ; ; |
||
2456 | ; OUT: / ; |
||
2457 | ; ; |
||
2458 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2459 | align 4 |
6011 | hidnplayr | 2460 | socket_is_disconnected: |
3545 | hidnplayr | 2461 | |
3556 | hidnplayr | 2462 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2463 | |
3674 | hidnplayr | 2464 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2465 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2466 | jmp socket_notify |
3545 | hidnplayr | 2467 | |
2468 | |||
2469 | |||
5976 | hidnplayr | 2470 | ;-----------------------------------------------------------------; |
2471 | ; ; |
||
6011 | hidnplayr | 2472 | ; socket_cant_recv_more: Update socket state. ; |
5976 | hidnplayr | 2473 | ; ; |
2474 | ; IN: eax = socket ptr ; |
||
2475 | ; ; |
||
2476 | ; OUT: / ; |
||
2477 | ; ; |
||
2478 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2479 | align 4 |
6011 | hidnplayr | 2480 | socket_cant_recv_more: |
3545 | hidnplayr | 2481 | |
3556 | hidnplayr | 2482 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2483 | |
3674 | hidnplayr | 2484 | or [eax + SOCKET.state], SS_CANTRCVMORE |
6011 | hidnplayr | 2485 | jmp socket_notify |
3545 | hidnplayr | 2486 | |
3565 | hidnplayr | 2487 | |
3545 | hidnplayr | 2488 | |
5976 | hidnplayr | 2489 | ;-----------------------------------------------------------------; |
2490 | ; ; |
||
6011 | hidnplayr | 2491 | ; socket_cant_send_more: Update socket state. ; |
5976 | hidnplayr | 2492 | ; ; |
2493 | ; IN: eax = socket ptr ; |
||
2494 | ; ; |
||
2495 | ; OUT: / ; |
||
2496 | ; ; |
||
2497 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2498 | align 4 |
6011 | hidnplayr | 2499 | socket_cant_send_more: |
3545 | hidnplayr | 2500 | |
3556 | hidnplayr | 2501 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2502 | |
3674 | hidnplayr | 2503 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2504 | mov [eax + SOCKET.snd_proc], .notconn |
6011 | hidnplayr | 2505 | jmp socket_notify |
3545 | hidnplayr | 2506 | |
3658 | hidnplayr | 2507 | .notconn: |
3673 | hidnplayr | 2508 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2509 | mov dword[esp+32], -1 |
5356 | serge | 2510 | ret |