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