Rev 9976 | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 9976 | Rev 9993 | ||
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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2021. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2021. 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: 9976 $ |
18 | $Revision: 9993 $ |
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 | ;sndto_proc dd ? |
43 | ;sndto_proc dd ? |
44 | ;rcvfrom_proc dd ? |
44 | ;rcvfrom_proc dd ? |
45 | 45 | ||
46 | ends |
46 | ends |
47 | 47 | ||
48 | struct IP_SOCKET SOCKET |
48 | struct IP_SOCKET SOCKET |
49 | 49 | ||
50 | LocalIP rd 4 ; network byte order |
50 | LocalIP rd 4 ; network byte order |
51 | RemoteIP rd 4 ; network byte order |
51 | RemoteIP rd 4 ; network byte order |
52 | ttl db ? |
52 | ttl db ? |
53 | rb 3 ; align |
53 | rb 3 ; align |
54 | 54 | ||
55 | ends |
55 | ends |
56 | 56 | ||
57 | struct TCP_SOCKET IP_SOCKET |
57 | struct TCP_SOCKET IP_SOCKET |
58 | 58 | ||
59 | LocalPort dw ? ; network byte order |
59 | LocalPort dw ? ; network byte order |
60 | RemotePort dw ? ; network byte order |
60 | RemotePort dw ? ; network byte order |
61 | 61 | ||
62 | t_state dd ? ; TCB state |
62 | t_state dd ? ; TCB state |
63 | t_rxtshift db ? |
63 | t_rxtshift db ? |
64 | rb 3 ; align |
64 | rb 3 ; align |
65 | t_rxtcur dd ? |
65 | t_rxtcur dd ? |
66 | t_dupacks dd ? |
66 | t_dupacks dd ? |
67 | t_maxseg dd ? |
67 | t_maxseg dd ? |
68 | t_flags dd ? |
68 | t_flags dd ? |
69 | 69 | ||
70 | ;--------------- |
70 | ;--------------- |
71 | ; RFC783 page 21 |
71 | ; RFC783 page 21 |
72 | 72 | ||
73 | ; send sequence |
73 | ; send sequence |
74 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
74 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
75 | SND_NXT dd ? ; next send sequence number to use |
75 | SND_NXT dd ? ; next send sequence number to use |
76 | SND_UP dd ? ; urgent pointer |
76 | SND_UP dd ? ; urgent pointer |
77 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
77 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
78 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
78 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
79 | ISS dd ? ; initial send sequence number |
79 | ISS dd ? ; initial send sequence number |
80 | SND_WND dd ? ; send window |
80 | SND_WND dd ? ; send window |
81 | 81 | ||
82 | ; receive sequence |
82 | ; receive sequence |
83 | RCV_WND dd ? ; receive window |
83 | RCV_WND dd ? ; receive window |
84 | RCV_NXT dd ? ; next receive sequence number to use |
84 | RCV_NXT dd ? ; next receive sequence number to use |
85 | RCV_UP dd ? ; urgent pointer |
85 | RCV_UP dd ? ; urgent pointer |
86 | IRS dd ? ; initial receive sequence number |
86 | IRS dd ? ; initial receive sequence number |
87 | 87 | ||
88 | ;--------------------- |
88 | ;--------------------- |
89 | ; Additional variables |
89 | ; Additional variables |
90 | 90 | ||
91 | ; receive variables |
91 | ; receive variables |
92 | RCV_ADV dd ? |
92 | RCV_ADV dd ? |
93 | 93 | ||
94 | ; retransmit variables |
94 | ; retransmit variables |
95 | SND_MAX dd ? |
95 | SND_MAX dd ? |
96 | 96 | ||
97 | ; congestion control |
97 | ; congestion control |
98 | SND_CWND dd ? ; congestion window |
98 | SND_CWND dd ? ; congestion window |
99 | SND_SSTHRESH dd ? ; slow start threshold |
99 | SND_SSTHRESH dd ? ; slow start threshold |
100 | 100 | ||
101 | ;---------------------- |
101 | ;---------------------- |
102 | ; Transmit timing stuff |
102 | ; Transmit timing stuff |
103 | t_idle dd ? |
103 | t_idle dd ? |
104 | t_rtt dd ? ; round trip time |
104 | t_rtt dd ? ; round trip time |
105 | t_rtseq dd ? |
105 | t_rtseq dd ? |
106 | t_srtt dd ? ; smoothed round trip time |
106 | t_srtt dd ? ; smoothed round trip time |
107 | t_rttvar dd ? |
107 | t_rttvar dd ? |
108 | t_rttmin dd ? |
108 | t_rttmin dd ? |
109 | max_sndwnd dd ? |
109 | max_sndwnd dd ? |
110 | 110 | ||
111 | ;----------------- |
111 | ;----------------- |
112 | ; Out-of-band data |
112 | ; Out-of-band data |
113 | t_oobflags dd ? |
113 | t_oobflags dd ? |
114 | t_iobc dd ? |
114 | t_iobc dd ? |
115 | t_softerror dd ? |
115 | t_softerror dd ? |
116 | 116 | ||
117 | 117 | ||
118 | ;--------- |
118 | ;--------- |
119 | ; RFC 1323 ; the order of next 4 elements may not change |
119 | ; RFC 1323 ; the order of next 4 elements may not change |
120 | 120 | ||
121 | SND_SCALE db ? |
121 | SND_SCALE db ? |
122 | RCV_SCALE db ? |
122 | RCV_SCALE db ? |
123 | requested_s_scale db ? |
123 | requested_s_scale db ? |
124 | request_r_scale db ? |
124 | request_r_scale db ? |
125 | 125 | ||
126 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
126 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
127 | ts_recent_age dd ? |
127 | ts_recent_age dd ? |
128 | last_ack_sent dd ? |
128 | last_ack_sent dd ? |
129 | 129 | ||
130 | 130 | ||
131 | ;------- |
131 | ;------- |
132 | ; Timers |
132 | ; Timers |
133 | timer_flags dd ? |
133 | timer_flags dd ? |
134 | timer_retransmission dd ? ; rexmt |
134 | timer_retransmission dd ? ; rexmt |
135 | timer_persist dd ? |
135 | timer_persist dd ? |
136 | timer_keepalive dd ? ; keepalive/syn timeout |
136 | timer_keepalive dd ? ; keepalive/syn timeout |
137 | timer_timed_wait dd ? ; also used as 2msl timer |
137 | timer_timed_wait dd ? ; also used as 2msl timer |
138 | timer_connect dd ? |
138 | timer_connect dd ? |
139 | 139 | ||
140 | ; extra |
140 | ; extra |
141 | 141 | ||
142 | ts_ecr dd ? ; timestamp echo reply |
142 | ts_ecr dd ? ; timestamp echo reply |
143 | ts_val dd ? |
143 | ts_val dd ? |
144 | 144 | ||
145 | seg_next dd ? ; re-assembly queue |
145 | seg_next dd ? ; re-assembly queue |
146 | 146 | ||
147 | ends |
147 | ends |
148 | 148 | ||
149 | struct UDP_SOCKET IP_SOCKET |
149 | struct UDP_SOCKET IP_SOCKET |
150 | 150 | ||
151 | LocalPort dw ? ; in network byte order |
151 | LocalPort dw ? ; in network byte order |
152 | RemotePort dw ? ; in network byte order |
152 | RemotePort dw ? ; in network byte order |
153 | 153 | ||
154 | ends |
154 | ends |
155 | 155 | ||
156 | struct RING_BUFFER |
156 | struct RING_BUFFER |
157 | 157 | ||
158 | mutex MUTEX |
158 | mutex MUTEX |
159 | start_ptr dd ? ; Pointer to start of buffer |
159 | start_ptr dd ? ; Pointer to start of buffer |
160 | end_ptr dd ? ; pointer to end of buffer |
160 | end_ptr dd ? ; pointer to end of buffer |
161 | read_ptr dd ? ; Read pointer |
161 | read_ptr dd ? ; Read pointer |
162 | write_ptr dd ? ; Write pointer |
162 | write_ptr dd ? ; Write pointer |
163 | size dd ? ; Number of bytes buffered |
163 | size dd ? ; Number of bytes buffered |
164 | 164 | ||
165 | ends |
165 | ends |
166 | 166 | ||
167 | struct STREAM_SOCKET TCP_SOCKET |
167 | struct STREAM_SOCKET TCP_SOCKET |
168 | 168 | ||
169 | rcv RING_BUFFER |
169 | rcv RING_BUFFER |
170 | snd RING_BUFFER |
170 | snd RING_BUFFER |
171 | 171 | ||
172 | ends |
172 | ends |
173 | 173 | ||
174 | struct sockaddr |
174 | struct sockaddr |
175 | 175 | ||
176 | family dw ? ; Address family |
176 | family dw ? ; Address family |
177 | port dw ? ; 16 bit TCP/UDP port number |
177 | port dw ? ; 16 bit TCP/UDP port number |
178 | ip dd ? ; 32 bit IP address |
178 | ip dd ? ; 32 bit IP address |
179 | _zero rb 8 ; Not use, for align |
179 | _zero rb 8 ; Not use, for align |
180 | 180 | ||
181 | ends |
181 | ends |
182 | 182 | ||
183 | struct socket_queue_entry |
183 | struct socket_queue_entry |
184 | 184 | ||
185 | data_ptr dd ? |
185 | data_ptr dd ? |
186 | data_size dd ? |
186 | data_size dd ? |
187 | buf_ptr dd ? |
187 | buf_ptr dd ? |
188 | 188 | ||
189 | ends |
189 | ends |
190 | 190 | ||
191 | struct socket_options |
191 | struct socket_options |
192 | 192 | ||
193 | level dd ? |
193 | level dd ? |
194 | optname dd ? |
194 | optname dd ? |
195 | optlen dd ? |
195 | optlen dd ? |
196 | optval dd ? |
196 | optval dd ? |
197 | 197 | ||
198 | ends |
198 | ends |
199 | 199 | ||
200 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
200 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
201 | 201 | ||
202 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
202 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
203 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
203 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
204 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
204 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
205 | 205 | ||
206 | uglobal |
206 | uglobal |
207 | align 4 |
207 | align 4 |
208 | 208 | ||
209 | net_sockets rd 4 |
209 | net_sockets rd 4 |
210 | last_socket_num dd ? |
210 | last_socket_num dd ? |
211 | last_UDP_port dw ? ; last used ephemeral port |
211 | last_UDP_port dw ? ; last used ephemeral port |
212 | last_TCP_port dw ? ; |
212 | last_TCP_port dw ? ; |
213 | socket_mutex MUTEX |
213 | socket_mutex MUTEX |
214 | 214 | ||
215 | endg |
215 | endg |
216 | 216 | ||
217 | 217 | ||
218 | ;-----------------------------------------------------------------; |
218 | ;-----------------------------------------------------------------; |
219 | ; ; |
219 | ; ; |
220 | ; socket_init ; |
220 | ; socket_init ; |
221 | ; ; |
221 | ; ; |
222 | ;-----------------------------------------------------------------; |
222 | ;-----------------------------------------------------------------; |
223 | macro socket_init { |
223 | macro socket_init { |
224 | 224 | ||
225 | xor eax, eax |
225 | xor eax, eax |
226 | mov edi, net_sockets |
226 | mov edi, net_sockets |
227 | mov ecx, 5 |
227 | mov ecx, 5 |
228 | rep stosd |
228 | rep stosd |
229 | 229 | ||
230 | @@: |
230 | @@: |
231 | pseudo_random eax |
231 | pseudo_random eax |
232 | cmp ax, EPHEMERAL_PORT_MIN |
232 | cmp ax, EPHEMERAL_PORT_MIN |
233 | jb @r |
233 | jb @r |
234 | cmp ax, EPHEMERAL_PORT_MAX |
234 | cmp ax, EPHEMERAL_PORT_MAX |
235 | ja @r |
235 | ja @r |
236 | xchg al, ah |
236 | xchg al, ah |
237 | mov [last_UDP_port], ax |
237 | mov [last_UDP_port], ax |
238 | 238 | ||
239 | @@: |
239 | @@: |
240 | pseudo_random eax |
240 | pseudo_random eax |
241 | cmp ax, EPHEMERAL_PORT_MIN |
241 | cmp ax, EPHEMERAL_PORT_MIN |
242 | jb @r |
242 | jb @r |
243 | cmp ax, EPHEMERAL_PORT_MAX |
243 | cmp ax, EPHEMERAL_PORT_MAX |
244 | ja @r |
244 | ja @r |
245 | xchg al, ah |
245 | xchg al, ah |
246 | mov [last_TCP_port], ax |
246 | mov [last_TCP_port], ax |
247 | 247 | ||
248 | mov ecx, socket_mutex |
248 | mov ecx, socket_mutex |
249 | call mutex_init |
249 | call mutex_init |
250 | 250 | ||
251 | } |
251 | } |
252 | 252 | ||
253 | ;-----------------------------------------------------------------; |
253 | ;-----------------------------------------------------------------; |
254 | ; ; |
254 | ; ; |
255 | ; Sockets API (system function 75) ; |
255 | ; Sockets API (system function 75) ; |
256 | ; ; |
256 | ; ; |
257 | ;-----------------------------------------------------------------; |
257 | ;-----------------------------------------------------------------; |
258 | align 4 |
258 | align 4 |
259 | sys_socket: |
259 | sys_socket: |
260 | 260 | ||
261 | mov dword[esp + SYSCALL_STACK.ebx], 0 ; Set error code to 0 |
261 | mov dword[esp + SYSCALL_STACK.ebx], 0 ; Set error code to 0 |
262 | 262 | ||
263 | cmp ebx, 255 |
263 | cmp ebx, 255 |
264 | jz socket_debug |
264 | jz socket_debug |
265 | 265 | ||
266 | cmp ebx, .number |
266 | cmp ebx, .number |
267 | ja .error |
267 | ja .error |
268 | jmp dword [.table + 4*ebx] |
268 | jmp dword [.table + 4*ebx] |
269 | 269 | ||
270 | .table: |
270 | .table: |
271 | dd socket_open ; 0 |
271 | dd socket_open ; 0 |
272 | dd socket_close ; 1 |
272 | dd socket_close ; 1 |
273 | dd socket_bind ; 2 |
273 | dd socket_bind ; 2 |
274 | dd socket_listen ; 3 |
274 | dd socket_listen ; 3 |
275 | dd socket_connect ; 4 |
275 | dd socket_connect ; 4 |
276 | dd socket_accept ; 5 |
276 | dd socket_accept ; 5 |
277 | dd socket_send ; 6 |
277 | dd socket_send ; 6 |
278 | dd socket_receive ; 7 |
278 | dd socket_receive ; 7 |
279 | dd socket_set_opt ; 8 |
279 | dd socket_set_opt ; 8 |
280 | dd socket_get_opt ; 9 |
280 | dd socket_get_opt ; 9 |
281 | dd socket_pair ; 10 |
281 | dd socket_pair ; 10 |
282 | 282 | ||
283 | ;dd socket_sendto ; 11 |
283 | ;dd socket_sendto ; 11 |
284 | ;dd socket_recvfrom ; 12 |
284 | ;dd socket_recvfrom ; 12 |
285 | .number = ($ - .table) / 4 - 1 |
285 | .number = ($ - .table) / 4 - 1 |
286 | 286 | ||
287 | .error: |
287 | .error: |
288 | mov dword[esp + SYSCALL_STACK.eax], -1 |
288 | mov dword[esp + SYSCALL_STACK.eax], -1 |
289 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
289 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
290 | 290 | ||
291 | ret |
291 | ret |
292 | 292 | ||
293 | ;-----------------------------------------------------------------; |
293 | ;-----------------------------------------------------------------; |
294 | ; ; |
294 | ; ; |
295 | ; socket_open: Create a new socket. ; |
295 | ; socket_open: Create a new socket. ; |
296 | ; ; |
296 | ; ; |
297 | ; IN: ecx = domain ; |
297 | ; IN: ecx = domain ; |
298 | ; edx = type ; |
298 | ; edx = type ; |
299 | ; esi = protocol ; |
299 | ; esi = protocol ; |
300 | ; ; |
300 | ; ; |
301 | ; OUT: eax = socket number ; |
301 | ; OUT: eax = socket number ; |
302 | ; eax = -1 on error ; |
302 | ; eax = -1 on error ; |
303 | ; ebx = errorcode on error ; |
303 | ; ebx = errorcode on error ; |
304 | ; ; |
304 | ; ; |
305 | ;-----------------------------------------------------------------; |
305 | ;-----------------------------------------------------------------; |
306 | align 4 |
306 | align 4 |
307 | socket_open: |
307 | socket_open: |
308 | 308 | ||
309 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
309 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
310 | 310 | ||
311 | push ecx edx esi |
311 | push ecx edx esi |
312 | call socket_alloc |
312 | call socket_alloc |
313 | pop esi edx ecx |
313 | pop esi edx ecx |
314 | test eax, eax |
314 | test eax, eax |
315 | jz .nobuffs |
315 | jz .nobuffs |
316 | 316 | ||
317 | mov [esp + SYSCALL_STACK.eax], edi ; return socketnumber |
317 | mov [esp + SYSCALL_STACK.eax], edi ; return socketnumber |
318 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
318 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
319 | 319 | ||
320 | test edx, SO_NONBLOCK |
320 | test edx, SO_NONBLOCK |
321 | jz @f |
321 | jz @f |
322 | or [eax + SOCKET.options], SO_NONBLOCK |
322 | or [eax + SOCKET.options], SO_NONBLOCK |
323 | and edx, not SO_NONBLOCK |
323 | and edx, not SO_NONBLOCK |
324 | @@: |
324 | @@: |
325 | 325 | ||
326 | mov [eax + SOCKET.Domain], ecx |
326 | mov [eax + SOCKET.Domain], ecx |
327 | mov [eax + SOCKET.Type], edx |
327 | mov [eax + SOCKET.Type], edx |
328 | mov [eax + SOCKET.Protocol], esi |
328 | mov [eax + SOCKET.Protocol], esi |
329 | mov [eax + SOCKET.connect_proc], connect_notsupp |
329 | mov [eax + SOCKET.connect_proc], connect_notsupp |
330 | 330 | ||
331 | cmp ecx, AF_INET4 |
331 | cmp ecx, AF_INET4 |
332 | jne .no_inet4 |
332 | jne .no_inet4 |
333 | 333 | ||
334 | mov [eax + IP_SOCKET.ttl], 128 |
334 | mov [eax + IP_SOCKET.ttl], 128 |
335 | 335 | ||
336 | cmp edx, SOCK_DGRAM |
336 | cmp edx, SOCK_DGRAM |
337 | je .udp |
337 | je .udp |
338 | 338 | ||
339 | cmp edx, SOCK_STREAM |
339 | cmp edx, SOCK_STREAM |
340 | je .tcp |
340 | je .tcp |
341 | 341 | ||
342 | cmp edx, SOCK_RAW |
342 | cmp edx, SOCK_RAW |
343 | je .raw |
343 | je .raw |
344 | 344 | ||
345 | .no_inet4: |
345 | .no_inet4: |
346 | cmp ecx, AF_PPP |
346 | cmp ecx, AF_PPP |
347 | jne .no_ppp |
347 | jne .no_ppp |
348 | 348 | ||
349 | ; cmp esi, PPP_PROTO_ETHERNET |
349 | ; cmp esi, PPP_PROTO_ETHERNET |
350 | ; je .pppoe |
350 | ; je .pppoe |
351 | 351 | ||
352 | .no_ppp: |
352 | .no_ppp: |
353 | .unsupported: |
353 | .unsupported: |
354 | push eax |
354 | push eax |
355 | call socket_free |
355 | call socket_free |
356 | pop eax |
356 | pop eax |
357 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
357 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
358 | mov dword[esp + SYSCALL_STACK.eax], -1 |
358 | mov dword[esp + SYSCALL_STACK.eax], -1 |
359 | ret |
359 | ret |
360 | 360 | ||
361 | .nobuffs: |
361 | .nobuffs: |
362 | mov dword[esp + SYSCALL_STACK.ebx], ENOBUFS |
362 | mov dword[esp + SYSCALL_STACK.ebx], ENOBUFS |
363 | mov dword[esp + SYSCALL_STACK.eax], -1 |
363 | mov dword[esp + SYSCALL_STACK.eax], -1 |
364 | ret |
364 | ret |
365 | 365 | ||
366 | .raw: |
366 | .raw: |
367 | test esi, esi ; IP_PROTO_IP |
367 | test esi, esi ; IP_PROTO_IP |
368 | jz .raw_ip |
368 | jz .raw_ip |
369 | 369 | ||
370 | cmp esi, IP_PROTO_ICMP |
370 | cmp esi, IP_PROTO_ICMP |
371 | je .raw_icmp |
371 | je .raw_icmp |
372 | 372 | ||
373 | jmp .unsupported |
373 | jmp .unsupported |
374 | 374 | ||
375 | align 4 |
375 | align 4 |
376 | .udp: |
376 | .udp: |
377 | push eax |
377 | push eax |
378 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
378 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
379 | pop eax |
379 | pop eax |
380 | 380 | ||
381 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
381 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
382 | mov [eax + SOCKET.snd_proc], socket_send_udp |
382 | mov [eax + SOCKET.snd_proc], socket_send_udp |
383 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
383 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
384 | mov [eax + SOCKET.connect_proc], udp_connect |
384 | mov [eax + SOCKET.connect_proc], udp_connect |
385 | ret |
385 | ret |
386 | 386 | ||
387 | align 4 |
387 | align 4 |
388 | .tcp: |
388 | .tcp: |
389 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
389 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
390 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
390 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
392 | mov [eax + SOCKET.connect_proc], tcp_connect |
392 | mov [eax + SOCKET.connect_proc], tcp_connect |
393 | 393 | ||
394 | tcp_init_socket eax |
394 | tcp_init_socket eax |
395 | ret |
395 | ret |
396 | 396 | ||
397 | 397 | ||
398 | align 4 |
398 | align 4 |
399 | .raw_ip: |
399 | .raw_ip: |
400 | push eax |
400 | push eax |
401 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
401 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
402 | pop eax |
402 | pop eax |
403 | 403 | ||
404 | mov [eax + SOCKET.snd_proc], socket_send_ip |
404 | mov [eax + SOCKET.snd_proc], socket_send_ip |
405 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
405 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
406 | mov [eax + SOCKET.connect_proc], ipv4_connect |
406 | mov [eax + SOCKET.connect_proc], ipv4_connect |
407 | ret |
407 | ret |
408 | 408 | ||
409 | 409 | ||
410 | align 4 |
410 | align 4 |
411 | .raw_icmp: |
411 | .raw_icmp: |
412 | push eax |
412 | push eax |
413 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
413 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
414 | pop eax |
414 | pop eax |
415 | 415 | ||
416 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
416 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
417 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
417 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
418 | mov [eax + SOCKET.connect_proc], ipv4_connect |
418 | mov [eax + SOCKET.connect_proc], ipv4_connect |
419 | ret |
419 | ret |
420 | 420 | ||
421 | ;align 4 |
421 | ;align 4 |
422 | ; .pppoe: |
422 | ; .pppoe: |
423 | ; push eax |
423 | ; push eax |
424 | ; init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
424 | ; init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
425 | ; pop eax |
425 | ; pop eax |
426 | ; |
426 | ; |
427 | ; mov [eax + SOCKET.snd_proc], socket_send_pppoe |
427 | ; mov [eax + SOCKET.snd_proc], socket_send_pppoe |
428 | ; mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
428 | ; mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
429 | ; ret |
429 | ; ret |
430 | 430 | ||
431 | 431 | ||
432 | ;-----------------------------------------------------------------; |
432 | ;-----------------------------------------------------------------; |
433 | ; ; |
433 | ; ; |
434 | ; socket_bind: Bind to a local port. ; |
434 | ; socket_bind: Bind to a local port. ; |
435 | ; ; |
435 | ; ; |
436 | ; IN: ecx = socket number ; |
436 | ; IN: ecx = socket number ; |
437 | ; edx = pointer to sockaddr struct ; |
437 | ; edx = pointer to sockaddr struct ; |
438 | ; esi = length of sockaddr struct ; |
438 | ; esi = length of sockaddr struct ; |
439 | ; ; |
439 | ; ; |
440 | ; OUT: eax = 0 on success ; |
440 | ; OUT: eax = 0 on success ; |
441 | ; eax = -1 on error ; |
441 | ; eax = -1 on error ; |
442 | ; ebx = errorcode on error ; |
442 | ; ebx = errorcode on error ; |
443 | ; ; |
443 | ; ; |
444 | ;-----------------------------------------------------------------; |
444 | ;-----------------------------------------------------------------; |
445 | align 4 |
445 | align 4 |
446 | socket_bind: |
446 | socket_bind: |
447 | 447 | ||
448 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
448 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
449 | 449 | ||
450 | call socket_num_to_ptr |
450 | call socket_num_to_ptr |
451 | test eax, eax |
451 | test eax, eax |
452 | jz .invalid |
452 | jz .invalid |
453 | 453 | ||
454 | cmp esi, 2 |
454 | cmp esi, 2 |
455 | jb .invalid |
455 | jb .invalid |
456 | 456 | ||
457 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
457 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
458 | jnz .invalid |
458 | jnz .invalid |
459 | 459 | ||
460 | cmp word[edx], AF_INET4 |
460 | cmp word[edx], AF_INET4 |
461 | je .af_inet4 |
461 | je .af_inet4 |
462 | 462 | ||
463 | cmp word[edx], AF_LOCAL |
463 | cmp word[edx], AF_LOCAL |
464 | je .af_local |
464 | je .af_local |
465 | 465 | ||
466 | .notsupp: |
466 | .notsupp: |
467 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
467 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
468 | mov dword[esp + SYSCALL_STACK.eax], -1 |
468 | mov dword[esp + SYSCALL_STACK.eax], -1 |
469 | ret |
469 | ret |
470 | 470 | ||
471 | .invalid: |
471 | .invalid: |
472 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
472 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
473 | mov dword[esp + SYSCALL_STACK.eax], -1 |
473 | mov dword[esp + SYSCALL_STACK.eax], -1 |
474 | ret |
474 | ret |
475 | 475 | ||
476 | .af_local: |
476 | .af_local: |
477 | ; TODO: write code here |
477 | ; TODO: write code here |
478 | mov dword[esp + SYSCALL_STACK.eax], 0 |
478 | mov dword[esp + SYSCALL_STACK.eax], 0 |
479 | ret |
479 | ret |
480 | 480 | ||
481 | .af_inet4: |
481 | .af_inet4: |
482 | cmp esi, 6 |
482 | cmp esi, 6 |
483 | jb .invalid |
483 | jb .invalid |
484 | 484 | ||
485 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
485 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
486 | je .udp |
486 | je .udp |
487 | 487 | ||
488 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
488 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
489 | je .tcp |
489 | je .tcp |
490 | 490 | ||
491 | jmp .notsupp |
491 | jmp .notsupp |
492 | 492 | ||
493 | .tcp: |
493 | .tcp: |
494 | .udp: |
494 | .udp: |
495 | pushd [edx + 4] ; First, fill in the IP |
495 | pushd [edx + 4] ; First, fill in the IP |
496 | popd [eax + IP_SOCKET.LocalIP] |
496 | popd [eax + IP_SOCKET.LocalIP] |
497 | 497 | ||
498 | mov bx, [edx + 2] ; Did caller specify a local port? |
498 | mov bx, [edx + 2] ; Did caller specify a local port? |
499 | test bx, bx |
499 | test bx, bx |
500 | jnz .just_check |
500 | jnz .just_check |
501 | call socket_find_port ; Nope, find an ephemeral one |
501 | call socket_find_port ; Nope, find an ephemeral one |
502 | jmp .done |
502 | jmp .done |
503 | 503 | ||
504 | .just_check: |
504 | .just_check: |
505 | call socket_check_port ; Yes, check if it's still available |
505 | call socket_check_port ; Yes, check if it's still available |
506 | jz .addrinuse ; ZF is set by socket_check_port on error |
506 | jz .addrinuse ; ZF is set by socket_check_port on error |
507 | 507 | ||
508 | .done: |
508 | .done: |
509 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
509 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
510 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
510 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
511 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
511 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
512 | 512 | ||
513 | mov dword[esp + SYSCALL_STACK.eax], 0 |
513 | mov dword[esp + SYSCALL_STACK.eax], 0 |
514 | ret |
514 | ret |
515 | 515 | ||
516 | .addrinuse: |
516 | .addrinuse: |
517 | mov dword[esp + SYSCALL_STACK.eax], -1 |
517 | mov dword[esp + SYSCALL_STACK.eax], -1 |
518 | mov dword[esp + SYSCALL_STACK.ebx], EADDRINUSE |
518 | mov dword[esp + SYSCALL_STACK.ebx], EADDRINUSE |
519 | ret |
519 | ret |
520 | 520 | ||
521 | 521 | ||
522 | 522 | ||
523 | 523 | ||
524 | ;-----------------------------------------------------------------; |
524 | ;-----------------------------------------------------------------; |
525 | ; ; |
525 | ; ; |
526 | ; socket_connect: Connect to the remote host. ; |
526 | ; socket_connect: Connect to the remote host. ; |
527 | ; ; |
527 | ; ; |
528 | ; IN: ecx = socket number ; |
528 | ; IN: ecx = socket number ; |
529 | ; edx = pointer to sockaddr struct ; |
529 | ; edx = pointer to sockaddr struct ; |
530 | ; esi = length of sockaddr struct ; |
530 | ; esi = length of sockaddr struct ; |
531 | ; ; |
531 | ; ; |
532 | ; OUT: eax = 0 on success ; |
532 | ; OUT: eax = 0 on success ; |
533 | ; eax = -1 on error ; |
533 | ; eax = -1 on error ; |
534 | ; ebx = errorcode on error ; |
534 | ; ebx = errorcode on error ; |
535 | ; ; |
535 | ; ; |
536 | ;-----------------------------------------------------------------; |
536 | ;-----------------------------------------------------------------; |
537 | align 4 |
537 | align 4 |
538 | socket_connect: |
538 | socket_connect: |
539 | 539 | ||
540 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
540 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
541 | 541 | ||
542 | call socket_num_to_ptr |
542 | call socket_num_to_ptr |
543 | test eax, eax |
543 | test eax, eax |
544 | jz .invalid |
544 | jz .invalid |
545 | 545 | ||
546 | cmp esi, 8 |
546 | cmp esi, 8 |
547 | jb .invalid |
547 | jb .invalid |
548 | 548 | ||
549 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
549 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
550 | je .already |
550 | je .already |
551 | 551 | ||
552 | test [eax + SOCKET.options], SO_ACCEPTCON |
552 | test [eax + SOCKET.options], SO_ACCEPTCON |
553 | jnz .notsupp |
553 | jnz .notsupp |
554 | 554 | ||
555 | call [eax + SOCKET.connect_proc] |
555 | call [eax + SOCKET.connect_proc] |
556 | 556 | ||
557 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
557 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
558 | mov dword[esp + SYSCALL_STACK.eax], eax |
558 | mov dword[esp + SYSCALL_STACK.eax], eax |
559 | ret |
559 | ret |
560 | 560 | ||
561 | 561 | ||
562 | .notsupp: |
562 | .notsupp: |
563 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
563 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
564 | mov dword[esp + SYSCALL_STACK.eax], -1 |
564 | mov dword[esp + SYSCALL_STACK.eax], -1 |
565 | ret |
565 | ret |
566 | 566 | ||
567 | .invalid: |
567 | .invalid: |
568 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
568 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
569 | mov dword[esp + SYSCALL_STACK.eax], -1 |
569 | mov dword[esp + SYSCALL_STACK.eax], -1 |
570 | ret |
570 | ret |
571 | 571 | ||
572 | .already: |
572 | .already: |
573 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
573 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
574 | mov dword[esp + SYSCALL_STACK.eax], -1 |
574 | mov dword[esp + SYSCALL_STACK.eax], -1 |
575 | ret |
575 | ret |
576 | 576 | ||
577 | 577 | ||
578 | connect_notsupp: |
578 | connect_notsupp: |
579 | xor eax, eax |
579 | xor eax, eax |
580 | dec eax |
580 | dec eax |
581 | mov ebx, EOPNOTSUPP |
581 | mov ebx, EOPNOTSUPP |
582 | ret |
582 | ret |
583 | 583 | ||
584 | 584 | ||
585 | ;-----------------------------------------------------------------; |
585 | ;-----------------------------------------------------------------; |
586 | ; ; |
586 | ; ; |
587 | ; socket_listen: Listen for incoming connections. ; |
587 | ; socket_listen: Listen for incoming connections. ; |
588 | ; ; |
588 | ; ; |
589 | ; IN: ecx = socket number ; |
589 | ; IN: ecx = socket number ; |
590 | ; edx = backlog in edx ; |
590 | ; edx = backlog in edx ; |
591 | ; ; |
591 | ; ; |
592 | ; OUT: eax = 0 on success ; |
592 | ; OUT: eax = 0 on success ; |
593 | ; eax = -1 on error ; |
593 | ; eax = -1 on error ; |
594 | ; ebx = errorcode on error ; |
594 | ; ebx = errorcode on error ; |
595 | ; ; |
595 | ; ; |
596 | ;-----------------------------------------------------------------; |
596 | ;-----------------------------------------------------------------; |
597 | align 4 |
597 | align 4 |
598 | socket_listen: |
598 | socket_listen: |
599 | 599 | ||
600 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
600 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
601 | 601 | ||
602 | call socket_num_to_ptr |
602 | call socket_num_to_ptr |
603 | test eax, eax |
603 | test eax, eax |
604 | jz .invalid |
604 | jz .invalid |
605 | 605 | ||
606 | cmp [eax + SOCKET.Domain], AF_INET4 |
606 | cmp [eax + SOCKET.Domain], AF_INET4 |
607 | jne .notsupp |
607 | jne .notsupp |
608 | 608 | ||
609 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
609 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
610 | jne .invalid |
610 | jne .invalid |
611 | 611 | ||
612 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
612 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
613 | je .already |
613 | je .already |
614 | 614 | ||
615 | cmp [eax + IP_SOCKET.LocalIP], 0 |
615 | cmp [eax + IP_SOCKET.LocalIP], 0 |
616 | jne @f |
616 | jne @f |
617 | push [IPv4_address + 4] ;;; fixme!!!! |
617 | push [IPv4_address + 4] ;;; fixme!!!! |
618 | pop [eax + IP_SOCKET.LocalIP] |
618 | pop [eax + IP_SOCKET.LocalIP] |
619 | @@: |
619 | @@: |
620 | 620 | ||
621 | cmp edx, MAX_backlog |
621 | cmp edx, MAX_backlog |
622 | jbe @f |
622 | jbe @f |
623 | mov edx, MAX_backlog |
623 | mov edx, MAX_backlog |
624 | @@: |
624 | @@: |
625 | 625 | ||
626 | mov [eax + SOCKET.backlog], dx |
626 | mov [eax + SOCKET.backlog], dx |
627 | or [eax + SOCKET.options], SO_ACCEPTCON |
627 | or [eax + SOCKET.options], SO_ACCEPTCON |
628 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
628 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
629 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
629 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
630 | 630 | ||
631 | push eax |
631 | push eax |
632 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
632 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
633 | pop eax |
633 | pop eax |
634 | 634 | ||
635 | mov dword[esp + SYSCALL_STACK.eax], 0 |
635 | mov dword[esp + SYSCALL_STACK.eax], 0 |
636 | ret |
636 | ret |
637 | 637 | ||
638 | .notsupp: |
638 | .notsupp: |
639 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
639 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
640 | mov dword[esp + SYSCALL_STACK.eax], -1 |
640 | mov dword[esp + SYSCALL_STACK.eax], -1 |
641 | ret |
641 | ret |
642 | 642 | ||
643 | .invalid: |
643 | .invalid: |
644 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
644 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
645 | mov dword[esp + SYSCALL_STACK.eax], -1 |
645 | mov dword[esp + SYSCALL_STACK.eax], -1 |
646 | ret |
646 | ret |
647 | 647 | ||
648 | .already: |
648 | .already: |
649 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
649 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
650 | mov dword[esp + SYSCALL_STACK.eax], -1 |
650 | mov dword[esp + SYSCALL_STACK.eax], -1 |
651 | ret |
651 | ret |
652 | 652 | ||
653 | 653 | ||
654 | ;-----------------------------------------------------------------; |
654 | ;-----------------------------------------------------------------; |
655 | ; ; |
655 | ; ; |
656 | ; socket_accept: Accept an incoming connection. ; |
656 | ; socket_accept: Accept an incoming connection. ; |
657 | ; ; |
657 | ; ; |
658 | ; IN: ecx = socket number (of listening socket) ; |
658 | ; IN: ecx = socket number (of listening socket) ; |
659 | ; edx = ptr to sockaddr struct ; |
659 | ; edx = ptr to sockaddr struct ; |
660 | ; esi = length of sockaddr struct ; |
660 | ; esi = length of sockaddr struct ; |
661 | ; ; |
661 | ; ; |
662 | ; OUT: eax = newly created socket num ; |
662 | ; OUT: eax = newly created socket num ; |
663 | ; eax = -1 on error ; |
663 | ; eax = -1 on error ; |
664 | ; ebx = errorcode on error ; |
664 | ; ebx = errorcode on error ; |
665 | ; ; |
665 | ; ; |
666 | ;-----------------------------------------------------------------; |
666 | ;-----------------------------------------------------------------; |
667 | align 4 |
667 | align 4 |
668 | socket_accept: |
668 | socket_accept: |
669 | 669 | ||
670 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
670 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
671 | 671 | ||
672 | call socket_num_to_ptr |
672 | call socket_num_to_ptr |
673 | test eax, eax |
673 | test eax, eax |
674 | jz .invalid |
674 | jz .invalid |
675 | 675 | ||
676 | test [eax + SOCKET.options], SO_ACCEPTCON |
676 | test [eax + SOCKET.options], SO_ACCEPTCON |
677 | jz .invalid |
677 | jz .invalid |
678 | 678 | ||
679 | cmp [eax + SOCKET.Domain], AF_INET4 |
679 | cmp [eax + SOCKET.Domain], AF_INET4 |
680 | jne .notsupp |
680 | jne .notsupp |
681 | 681 | ||
682 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
682 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
683 | jne .invalid |
683 | jne .invalid |
684 | 684 | ||
685 | .loop: |
685 | .loop: |
686 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
686 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
687 | 687 | ||
688 | ; Ok, we got a socket ptr |
688 | ; Ok, we got a socket ptr |
689 | mov eax, [esi] |
689 | mov eax, [esi] |
690 | 690 | ||
691 | ; Verify that it is (still) a valid socket |
691 | ; Verify that it is (still) a valid socket |
692 | call socket_check |
692 | call socket_check |
693 | jz .invalid |
693 | jz .invalid |
694 | 694 | ||
695 | ; Change sockets thread owner ID to that of the current thread |
695 | ; Change sockets thread owner ID to that of the current thread |
696 | mov ebx, [current_slot] |
696 | mov ebx, [current_slot] |
697 | mov ebx, [ebx + APPDATA.tid] |
697 | mov ebx, [ebx + APPDATA.tid] |
698 | mov [eax + SOCKET.TID], ebx |
698 | mov [eax + SOCKET.TID], ebx |
699 | 699 | ||
700 | ; Return socket number to caller |
700 | ; Return socket number to caller |
701 | mov eax, [eax + SOCKET.Number] |
701 | mov eax, [eax + SOCKET.Number] |
702 | mov [esp + SYSCALL_STACK.eax], eax |
702 | mov [esp + SYSCALL_STACK.eax], eax |
703 | ret |
703 | ret |
704 | 704 | ||
705 | .block: |
705 | .block: |
706 | test [eax + SOCKET.options], SO_NONBLOCK |
706 | test [eax + SOCKET.options], SO_NONBLOCK |
707 | jnz .wouldblock |
707 | jnz .wouldblock |
708 | 708 | ||
709 | call socket_block |
709 | call socket_block |
710 | jmp .loop |
710 | jmp .loop |
711 | 711 | ||
712 | .wouldblock: |
712 | .wouldblock: |
713 | mov dword[esp + SYSCALL_STACK.ebx], EWOULDBLOCK |
713 | mov dword[esp + SYSCALL_STACK.ebx], EWOULDBLOCK |
714 | mov dword[esp + SYSCALL_STACK.eax], -1 |
714 | mov dword[esp + SYSCALL_STACK.eax], -1 |
715 | ret |
715 | ret |
716 | 716 | ||
717 | .invalid: |
717 | .invalid: |
718 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
718 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
719 | mov dword[esp + SYSCALL_STACK.eax], -1 |
719 | mov dword[esp + SYSCALL_STACK.eax], -1 |
720 | ret |
720 | ret |
721 | 721 | ||
722 | .notsupp: |
722 | .notsupp: |
723 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
723 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
724 | mov dword[esp + SYSCALL_STACK.eax], -1 |
724 | mov dword[esp + SYSCALL_STACK.eax], -1 |
725 | ret |
725 | ret |
726 | 726 | ||
727 | ;-----------------------------------------------------------------; |
727 | ;-----------------------------------------------------------------; |
728 | ; ; |
728 | ; ; |
729 | ; socket_close: Close the socket (and connection). ; |
729 | ; socket_close: Close the socket (and connection). ; |
730 | ; ; |
730 | ; ; |
731 | ; IN: ecx = socket number ; |
731 | ; IN: ecx = socket number ; |
732 | ; ; |
732 | ; ; |
733 | ; OUT: eax = 0 on success ; |
733 | ; OUT: eax = 0 on success ; |
734 | ; eax = -1 on error ; |
734 | ; eax = -1 on error ; |
735 | ; ebx = errorcode on error ; |
735 | ; ebx = errorcode on error ; |
736 | ; ; |
736 | ; ; |
737 | ;-----------------------------------------------------------------; |
737 | ;-----------------------------------------------------------------; |
738 | align 4 |
738 | align 4 |
739 | socket_close: |
739 | socket_close: |
740 | 740 | ||
741 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
741 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
742 | 742 | ||
743 | call socket_num_to_ptr |
743 | call socket_num_to_ptr |
744 | test eax, eax |
744 | test eax, eax |
745 | jz .invalid |
745 | jz .invalid |
746 | 746 | ||
747 | mov dword[esp + SYSCALL_STACK.eax], 0 ; The socket exists, so we will succeed in closing it. |
747 | mov dword[esp + SYSCALL_STACK.eax], 0 ; The socket exists, so we will succeed in closing it. |
748 | 748 | ||
749 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
749 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
750 | 750 | ||
751 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
751 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
752 | jz @f |
752 | jz @f |
753 | call socket_notify ; Unblock it. |
753 | call socket_notify ; Unblock it. |
754 | @@: |
754 | @@: |
755 | 755 | ||
756 | cmp [eax + SOCKET.Domain], AF_INET4 |
756 | cmp [eax + SOCKET.Domain], AF_INET4 |
757 | jne .free |
757 | jne .free |
758 | 758 | ||
759 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
759 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
760 | jne .free |
760 | jne .free |
761 | test [eax + SOCKET.state], SS_ISCONNECTED |
761 | test [eax + SOCKET.state], SS_ISCONNECTED |
762 | jz .free |
762 | jz @f |
763 | test [eax + SOCKET.state], SS_ISDISCONNECTING |
763 | test [eax + SOCKET.state], SS_ISDISCONNECTING |
764 | jnz .free |
764 | jnz @f |
765 | call tcp_disconnect |
765 | call tcp_disconnect |
- | 766 | @@: |
|
- | 767 | ret |
|
766 | test eax, eax |
768 | ; test eax, eax |
767 | jz .end |
769 | ; jz .end |
768 | .free: |
770 | .free: |
769 | call socket_free |
771 | call socket_free |
770 | .end: |
772 | .end: |
771 | ret |
773 | ret |
772 | 774 | ||
773 | 775 | ||
774 | .invalid: |
776 | .invalid: |
775 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
777 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
776 | mov dword[esp + SYSCALL_STACK.eax], -1 |
778 | mov dword[esp + SYSCALL_STACK.eax], -1 |
777 | ret |
779 | ret |
778 | 780 | ||
779 | 781 | ||
780 | ;-----------------------------------------------------------------; |
782 | ;-----------------------------------------------------------------; |
781 | ; ; |
783 | ; ; |
782 | ; socket_receive: Receive some data from the remote end. ; |
784 | ; socket_receive: Receive some data from the remote end. ; |
783 | ; ; |
785 | ; ; |
784 | ; IN: ecx = socket number ; |
786 | ; IN: ecx = socket number ; |
785 | ; edx = addr to application buffer ; |
787 | ; edx = addr to application buffer ; |
786 | ; esi = length of application buffer ; |
788 | ; esi = length of application buffer ; |
787 | ; edi = flags ; |
789 | ; edi = flags ; |
788 | ; ; |
790 | ; ; |
789 | ; OUT: eax = number of bytes copied ; |
791 | ; OUT: eax = number of bytes copied ; |
790 | ; eax = -1 on error ; |
792 | ; eax = -1 on error ; |
791 | ; eax = 0 when socket has been closed by the remote end ; |
793 | ; eax = 0 when socket has been closed by the remote end ; |
792 | ; ebx = errorcode on error ; |
794 | ; ebx = errorcode on error ; |
793 | ; ; |
795 | ; ; |
794 | ;-----------------------------------------------------------------; |
796 | ;-----------------------------------------------------------------; |
795 | align 4 |
797 | align 4 |
796 | socket_receive: |
798 | socket_receive: |
797 | 799 | ||
798 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
800 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
799 | 801 | ||
800 | call socket_num_to_ptr |
802 | call socket_num_to_ptr |
801 | test eax, eax |
803 | test eax, eax |
802 | jz .invalid |
804 | jz .invalid |
803 | 805 | ||
804 | stdcall is_region_userspace, edx, esi |
806 | stdcall is_region_userspace, edx, esi |
805 | jnz .invalid |
807 | jnz .invalid |
806 | 808 | ||
807 | .loop: |
809 | .loop: |
808 | push edi |
810 | push edi |
809 | call [eax + SOCKET.rcv_proc] |
811 | call [eax + SOCKET.rcv_proc] |
810 | pop edi |
812 | pop edi |
811 | 813 | ||
812 | test [eax + SOCKET.state], SS_CANTRCVMORE |
814 | test [eax + SOCKET.state], SS_CANTRCVMORE |
813 | jnz .last_data |
815 | jnz .last_data |
814 | 816 | ||
815 | cmp ebx, EWOULDBLOCK |
817 | cmp ebx, EWOULDBLOCK |
816 | jne .return |
818 | jne .return |
817 | 819 | ||
818 | test edi, MSG_DONTWAIT |
820 | test edi, MSG_DONTWAIT |
819 | jnz .return_err |
821 | jnz .return_err |
820 | 822 | ||
821 | test [eax + SOCKET.options], SO_NONBLOCK |
823 | test [eax + SOCKET.options], SO_NONBLOCK |
822 | jnz .return_err |
824 | jnz .return_err |
823 | 825 | ||
824 | call socket_block |
826 | call socket_block |
825 | jmp .loop |
827 | jmp .loop |
826 | 828 | ||
827 | 829 | ||
828 | .invalid: |
830 | .invalid: |
829 | push EINVAL |
831 | push EINVAL |
830 | pop ebx |
832 | pop ebx |
831 | .return_err: |
833 | .return_err: |
832 | mov ecx, -1 |
834 | mov ecx, -1 |
833 | .return: |
835 | .return: |
834 | mov [esp + SYSCALL_STACK.ebx], ebx |
836 | mov [esp + SYSCALL_STACK.ebx], ebx |
835 | mov [esp + SYSCALL_STACK.eax], ecx |
837 | mov [esp + SYSCALL_STACK.eax], ecx |
836 | ret |
838 | ret |
837 | 839 | ||
838 | .last_data: |
840 | .last_data: |
839 | test ecx, ecx |
841 | test ecx, ecx |
840 | jz .return |
842 | jz .return |
841 | call socket_notify ; Call me again! |
843 | call socket_notify ; Call me again! |
842 | jmp .return |
844 | jmp .return |
843 | 845 | ||
844 | 846 | ||
845 | 847 | ||
846 | 848 | ||
847 | align 4 |
849 | align 4 |
848 | socket_receive_dgram: |
850 | socket_receive_dgram: |
849 | 851 | ||
850 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
852 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
851 | 853 | ||
852 | test edi, MSG_PEEK |
854 | test edi, MSG_PEEK |
853 | jnz .peek |
855 | jnz .peek |
854 | 856 | ||
855 | mov ebx, esi ; buffer length |
857 | mov ebx, esi ; buffer length |
856 | 858 | ||
857 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
859 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
858 | mov ecx, [esi + socket_queue_entry.data_size] |
860 | mov ecx, [esi + socket_queue_entry.data_size] |
859 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
861 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
860 | 862 | ||
861 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
863 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
862 | ja .too_small |
864 | ja .too_small |
863 | 865 | ||
864 | push eax ecx |
866 | push eax ecx |
865 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
867 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
866 | mov esi, [esi + socket_queue_entry.data_ptr] |
868 | mov esi, [esi + socket_queue_entry.data_ptr] |
867 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
869 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
868 | 870 | ||
869 | ; copy the data from kernel buffer to application buffer |
871 | ; copy the data from kernel buffer to application buffer |
870 | mov edi, edx ; bufferaddr |
872 | mov edi, edx ; bufferaddr |
871 | shr ecx, 1 |
873 | shr ecx, 1 |
872 | jnc .nb |
874 | jnc .nb |
873 | movsb |
875 | movsb |
874 | .nb: |
876 | .nb: |
875 | shr ecx, 1 |
877 | shr ecx, 1 |
876 | jnc .nw |
878 | jnc .nw |
877 | movsw |
879 | movsw |
878 | .nw: |
880 | .nw: |
879 | test ecx, ecx |
881 | test ecx, ecx |
880 | jz .nd |
882 | jz .nd |
881 | rep movsd |
883 | rep movsd |
882 | .nd: |
884 | .nd: |
883 | 885 | ||
884 | call net_buff_free |
886 | call net_buff_free |
885 | pop ecx eax ; return number of bytes copied to application |
887 | pop ecx eax ; return number of bytes copied to application |
886 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
888 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
887 | je @f |
889 | je @f |
888 | call socket_notify ; Queue another network event |
890 | call socket_notify ; Queue another network event |
889 | @@: |
891 | @@: |
890 | xor ebx, ebx ; errorcode = 0 (no error) |
892 | xor ebx, ebx ; errorcode = 0 (no error) |
891 | ret |
893 | ret |
892 | 894 | ||
893 | .too_small: |
895 | .too_small: |
894 | mov ecx, -1 |
896 | mov ecx, -1 |
895 | push EMSGSIZE |
897 | push EMSGSIZE |
896 | pop ebx |
898 | pop ebx |
897 | ret |
899 | ret |
898 | 900 | ||
899 | .wouldblock: |
901 | .wouldblock: |
900 | push EWOULDBLOCK |
902 | push EWOULDBLOCK |
901 | pop ebx |
903 | pop ebx |
902 | ret |
904 | ret |
903 | 905 | ||
904 | .peek: |
906 | .peek: |
905 | xor ebx, ebx |
907 | xor ebx, ebx |
906 | xor ecx, ecx |
908 | xor ecx, ecx |
907 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
909 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
908 | je @f |
910 | je @f |
909 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
911 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
910 | mov ecx, [esi + socket_queue_entry.data_size] |
912 | mov ecx, [esi + socket_queue_entry.data_size] |
911 | @@: |
913 | @@: |
912 | ret |
914 | ret |
913 | 915 | ||
914 | align 4 |
916 | align 4 |
915 | socket_receive_tcp: |
917 | socket_receive_tcp: |
916 | 918 | ||
917 | call socket_receive_stream |
919 | call socket_receive_stream |
918 | 920 | ||
919 | test ecx, ecx |
921 | test ecx, ecx |
920 | jz @f |
922 | jz @f |
921 | push eax ebx ecx |
923 | push eax ebx ecx |
922 | call tcp_output |
924 | call tcp_output |
923 | pop ecx ebx eax |
925 | pop ecx ebx eax |
924 | @@: |
926 | @@: |
925 | 927 | ||
926 | ret |
928 | ret |
927 | 929 | ||
928 | 930 | ||
929 | align 4 |
931 | align 4 |
930 | socket_receive_local: |
932 | socket_receive_local: |
931 | 933 | ||
932 | ; does this socket have a PID yet? |
934 | ; does this socket have a PID yet? |
933 | cmp [eax + SOCKET.PID], 0 |
935 | cmp [eax + SOCKET.PID], 0 |
934 | jne @f |
936 | jne @f |
935 | 937 | ||
936 | ; Change PID to that of current process |
938 | ; Change PID to that of current process |
937 | mov ebx, [current_slot] |
939 | mov ebx, [current_slot] |
938 | mov ebx, [ebx + APPDATA.tid] |
940 | mov ebx, [ebx + APPDATA.tid] |
939 | mov [eax + SOCKET.PID], ebx |
941 | mov [eax + SOCKET.PID], ebx |
940 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
942 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
941 | @@: |
943 | @@: |
942 | 944 | ||
943 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
945 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
944 | 946 | ||
945 | ; ... continue to SOCKET_receive_stream |
947 | ; ... continue to SOCKET_receive_stream |
946 | 948 | ||
947 | align 4 |
949 | align 4 |
948 | socket_receive_stream: |
950 | socket_receive_stream: |
949 | 951 | ||
950 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
952 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
951 | 953 | ||
952 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
954 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
953 | je .wouldblock |
955 | je .wouldblock |
954 | 956 | ||
955 | test edi, MSG_PEEK |
957 | test edi, MSG_PEEK |
956 | jnz .peek |
958 | jnz .peek |
957 | 959 | ||
958 | mov ecx, esi |
960 | mov ecx, esi |
959 | mov edi, edx |
961 | mov edi, edx |
960 | xor edx, edx |
962 | xor edx, edx |
961 | 963 | ||
962 | push eax |
964 | push eax |
963 | add eax, STREAM_SOCKET.rcv |
965 | add eax, STREAM_SOCKET.rcv |
964 | call socket_ring_read ; copy data from kernel buffer to application buffer |
966 | call socket_ring_read ; copy data from kernel buffer to application buffer |
965 | call socket_ring_free ; free read memory |
967 | call socket_ring_free ; free read memory |
966 | pop eax |
968 | pop eax |
967 | 969 | ||
968 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
970 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
969 | jne .more_data |
971 | jne .more_data |
970 | xor ebx, ebx ; errorcode = 0 (no error) |
972 | xor ebx, ebx ; errorcode = 0 (no error) |
971 | ret |
973 | ret |
972 | 974 | ||
973 | .more_data: |
975 | .more_data: |
974 | call socket_notify ; Queue another network event |
976 | call socket_notify ; Queue another network event |
975 | xor ebx, ebx ; errorcode = 0 (no error) |
977 | xor ebx, ebx ; errorcode = 0 (no error) |
976 | ret |
978 | ret |
977 | 979 | ||
978 | .wouldblock: |
980 | .wouldblock: |
979 | push EWOULDBLOCK |
981 | push EWOULDBLOCK |
980 | pop ebx |
982 | pop ebx |
981 | xor ecx, ecx |
983 | xor ecx, ecx |
982 | ret |
984 | ret |
983 | 985 | ||
984 | .peek: |
986 | .peek: |
985 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
987 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
986 | xor ebx, ebx |
988 | xor ebx, ebx |
987 | ret |
989 | ret |
988 | 990 | ||
989 | 991 | ||
990 | ;-----------------------------------------------------------------; |
992 | ;-----------------------------------------------------------------; |
991 | ; ; |
993 | ; ; |
992 | ; socket_send: Send some data to the remote end. ; |
994 | ; socket_send: Send some data to the remote end. ; |
993 | ; ; |
995 | ; ; |
994 | ; IN: ecx = socket number ; |
996 | ; IN: ecx = socket number ; |
995 | ; edx = pointer to data ; |
997 | ; edx = pointer to data ; |
996 | ; esi = data length ; |
998 | ; esi = data length ; |
997 | ; edi = flags ; |
999 | ; edi = flags ; |
998 | ; ; |
1000 | ; ; |
999 | ; OUT: eax = number of bytes sent ; |
1001 | ; OUT: eax = number of bytes sent ; |
1000 | ; eax = -1 on error ; |
1002 | ; eax = -1 on error ; |
1001 | ; ebx = errorcode on error ; |
1003 | ; ebx = errorcode on error ; |
1002 | ; ; |
1004 | ; ; |
1003 | ;-----------------------------------------------------------------; |
1005 | ;-----------------------------------------------------------------; |
1004 | align 4 |
1006 | align 4 |
1005 | socket_send: |
1007 | socket_send: |
1006 | 1008 | ||
1007 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
1009 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
1008 | 1010 | ||
1009 | call socket_num_to_ptr |
1011 | call socket_num_to_ptr |
1010 | test eax, eax |
1012 | test eax, eax |
1011 | jz .invalid |
1013 | jz .invalid |
1012 | 1014 | ||
1013 | stdcall is_region_userspace, edx, esi |
1015 | stdcall is_region_userspace, edx, esi |
1014 | jnz .invalid |
1016 | jnz .invalid |
1015 | 1017 | ||
1016 | mov ecx, esi |
1018 | mov ecx, esi |
1017 | mov esi, edx |
1019 | mov esi, edx |
1018 | 1020 | ||
1019 | jmp [eax + SOCKET.snd_proc] |
1021 | jmp [eax + SOCKET.snd_proc] |
1020 | 1022 | ||
1021 | .invalid: |
1023 | .invalid: |
1022 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1024 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1023 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1025 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1024 | ret |
1026 | ret |
1025 | 1027 | ||
1026 | 1028 | ||
1027 | align 4 |
1029 | align 4 |
1028 | socket_send_udp: |
1030 | socket_send_udp: |
1029 | 1031 | ||
1030 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
1032 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
1031 | 1033 | ||
1032 | mov [esp + SYSCALL_STACK.eax], ecx |
1034 | mov [esp + SYSCALL_STACK.eax], ecx |
1033 | call udp_output |
1035 | call udp_output |
1034 | cmp eax, -1 |
1036 | cmp eax, -1 |
1035 | je .error |
1037 | je .error |
1036 | ret |
1038 | ret |
1037 | 1039 | ||
1038 | .error: |
1040 | .error: |
1039 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1041 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1040 | mov dword[esp + SYSCALL_STACK.ebx], EMSGSIZE ; FIXME: UDP_output should return error codes! |
1042 | mov dword[esp + SYSCALL_STACK.ebx], EMSGSIZE ; FIXME: UDP_output should return error codes! |
1041 | ret |
1043 | ret |
1042 | 1044 | ||
1043 | 1045 | ||
1044 | align 4 |
1046 | align 4 |
1045 | socket_send_tcp: |
1047 | socket_send_tcp: |
1046 | 1048 | ||
1047 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
1049 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
1048 | 1050 | ||
1049 | push eax |
1051 | push eax |
1050 | add eax, STREAM_SOCKET.snd |
1052 | add eax, STREAM_SOCKET.snd |
1051 | call socket_ring_write |
1053 | call socket_ring_write |
1052 | pop eax |
1054 | pop eax |
1053 | 1055 | ||
1054 | mov [esp + SYSCALL_STACK.eax], ecx |
1056 | mov [esp + SYSCALL_STACK.eax], ecx |
1055 | mov [eax + SOCKET.errorcode], 0 |
1057 | mov [eax + SOCKET.errorcode], 0 |
1056 | push eax |
1058 | push eax |
1057 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
1059 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
1058 | pop eax |
1060 | pop eax |
1059 | mov eax, [eax + SOCKET.errorcode] |
1061 | mov eax, [eax + SOCKET.errorcode] |
1060 | mov [esp + SYSCALL_STACK.ebx], eax |
1062 | mov [esp + SYSCALL_STACK.ebx], eax |
1061 | ret |
1063 | ret |
1062 | 1064 | ||
1063 | 1065 | ||
1064 | align 4 |
1066 | align 4 |
1065 | socket_send_ip: |
1067 | socket_send_ip: |
1066 | 1068 | ||
1067 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
1069 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
1068 | 1070 | ||
1069 | mov [esp + SYSCALL_STACK.eax], ecx |
1071 | mov [esp + SYSCALL_STACK.eax], ecx |
1070 | call ipv4_output_raw |
1072 | call ipv4_output_raw |
1071 | cmp eax, -1 |
1073 | cmp eax, -1 |
1072 | je .error |
1074 | je .error |
1073 | ret |
1075 | ret |
1074 | 1076 | ||
1075 | .error: |
1077 | .error: |
1076 | mov dword[esp + SYSCALL_STACK.eax], eax |
1078 | mov dword[esp + SYSCALL_STACK.eax], eax |
1077 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
1079 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
1078 | ret |
1080 | ret |
1079 | 1081 | ||
1080 | 1082 | ||
1081 | align 4 |
1083 | align 4 |
1082 | socket_send_icmp: |
1084 | socket_send_icmp: |
1083 | 1085 | ||
1084 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
1086 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
1085 | 1087 | ||
1086 | mov [esp + SYSCALL_STACK.eax], ecx |
1088 | mov [esp + SYSCALL_STACK.eax], ecx |
1087 | call icmp_output_raw |
1089 | call icmp_output_raw |
1088 | cmp eax, -1 |
1090 | cmp eax, -1 |
1089 | je .error |
1091 | je .error |
1090 | ret |
1092 | ret |
1091 | 1093 | ||
1092 | .error: |
1094 | .error: |
1093 | mov dword[esp + SYSCALL_STACK.eax], eax |
1095 | mov dword[esp + SYSCALL_STACK.eax], eax |
1094 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
1096 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
1095 | ret |
1097 | ret |
1096 | 1098 | ||
1097 | 1099 | ||
1098 | ;align 4 |
1100 | ;align 4 |
1099 | ;socket_send_pppoe: |
1101 | ;socket_send_pppoe: |
1100 | ; |
1102 | ; |
1101 | ; DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
1103 | ; DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
1102 | ; |
1104 | ; |
1103 | ; mov [esp + SYSCALL_STACK.eax], ecx |
1105 | ; mov [esp + SYSCALL_STACK.eax], ecx |
1104 | ; mov ebx, [eax + SOCKET.device] |
1106 | ; mov ebx, [eax + SOCKET.device] |
1105 | ; |
1107 | ; |
1106 | ; call pppoe_discovery_output ; FIXME: errorcodes |
1108 | ; call pppoe_discovery_output ; FIXME: errorcodes |
1107 | ; cmp eax, -1 |
1109 | ; cmp eax, -1 |
1108 | ; je .error |
1110 | ; je .error |
1109 | ; ret |
1111 | ; ret |
1110 | ; |
1112 | ; |
1111 | ; .error: |
1113 | ; .error: |
1112 | ; mov dword[esp + SYSCALL_STACK.eax], -1 |
1114 | ; mov dword[esp + SYSCALL_STACK.eax], -1 |
1113 | ; mov dword[esp + SYSCALL_STACK.ebx], EMSGSIZE |
1115 | ; mov dword[esp + SYSCALL_STACK.ebx], EMSGSIZE |
1114 | ; ret |
1116 | ; ret |
1115 | 1117 | ||
1116 | 1118 | ||
1117 | 1119 | ||
1118 | align 4 |
1120 | align 4 |
1119 | socket_send_local: |
1121 | socket_send_local: |
1120 | 1122 | ||
1121 | ; does this socket have a PID yet? |
1123 | ; does this socket have a PID yet? |
1122 | cmp [eax + SOCKET.PID], 0 |
1124 | cmp [eax + SOCKET.PID], 0 |
1123 | jne @f |
1125 | jne @f |
1124 | 1126 | ||
1125 | ; Change PID to that of current process |
1127 | ; Change PID to that of current process |
1126 | mov ebx, [current_slot] |
1128 | mov ebx, [current_slot] |
1127 | mov ebx, [ebx + APPDATA.tid] |
1129 | mov ebx, [ebx + APPDATA.tid] |
1128 | mov [eax + SOCKET.PID], ebx |
1130 | mov [eax + SOCKET.PID], ebx |
1129 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
1131 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
1130 | @@: |
1132 | @@: |
1131 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
1133 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
1132 | 1134 | ||
1133 | align 4 |
1135 | align 4 |
1134 | socket_send_local_initialized: |
1136 | socket_send_local_initialized: |
1135 | 1137 | ||
1136 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
1138 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
1137 | 1139 | ||
1138 | ; get the other side's socket and check if it still exists |
1140 | ; get the other side's socket and check if it still exists |
1139 | mov eax, [eax + SOCKET.device] |
1141 | mov eax, [eax + SOCKET.device] |
1140 | call socket_check |
1142 | call socket_check |
1141 | jz .invalid |
1143 | jz .invalid |
1142 | 1144 | ||
1143 | ; allright, shove in the data! |
1145 | ; allright, shove in the data! |
1144 | push eax |
1146 | push eax |
1145 | add eax, STREAM_SOCKET.rcv |
1147 | add eax, STREAM_SOCKET.rcv |
1146 | call socket_ring_write |
1148 | call socket_ring_write |
1147 | pop eax |
1149 | pop eax |
1148 | 1150 | ||
1149 | ; return the number of written bytes (or errorcode) to application |
1151 | ; return the number of written bytes (or errorcode) to application |
1150 | mov [esp + SYSCALL_STACK.eax], ecx |
1152 | mov [esp + SYSCALL_STACK.eax], ecx |
1151 | 1153 | ||
1152 | ; and notify the other end |
1154 | ; and notify the other end |
1153 | call socket_notify |
1155 | call socket_notify |
1154 | 1156 | ||
1155 | ret |
1157 | ret |
1156 | 1158 | ||
1157 | .invalid: |
1159 | .invalid: |
1158 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1160 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1159 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1161 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1160 | ret |
1162 | ret |
1161 | 1163 | ||
1162 | 1164 | ||
1163 | ;-----------------------------------------------------------------; |
1165 | ;-----------------------------------------------------------------; |
1164 | ; ; |
1166 | ; ; |
1165 | ; socket_get_opt: Read a socket option ; |
1167 | ; socket_get_opt: Read a socket option ; |
1166 | ; ; |
1168 | ; ; |
1167 | ; IN: ecx = socket number ; |
1169 | ; IN: ecx = socket number ; |
1168 | ; edx = pointer to socket options struct ; |
1170 | ; edx = pointer to socket options struct ; |
1169 | ; ; |
1171 | ; ; |
1170 | ; OUT: eax = 0 on success ; |
1172 | ; OUT: eax = 0 on success ; |
1171 | ; eax = -1 on error ; |
1173 | ; eax = -1 on error ; |
1172 | ; ebx = errorcode on error ; |
1174 | ; ebx = errorcode on error ; |
1173 | ; ; |
1175 | ; ; |
1174 | ;-----------------------------------------------------------------; |
1176 | ;-----------------------------------------------------------------; |
1175 | align 4 |
1177 | align 4 |
1176 | socket_get_opt: |
1178 | socket_get_opt: |
1177 | 1179 | ||
1178 | ; FIXME: |
1180 | ; FIXME: |
1179 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1181 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1180 | ; TODO: find best way to notify that send()'ed data were acknowledged |
1182 | ; TODO: find best way to notify that send()'ed data were acknowledged |
1181 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
1183 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
1182 | 1184 | ||
1183 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
1185 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
1184 | 1186 | ||
1185 | call socket_num_to_ptr |
1187 | call socket_num_to_ptr |
1186 | test eax, eax |
1188 | test eax, eax |
1187 | jz .invalid |
1189 | jz .invalid |
1188 | 1190 | ||
1189 | cmp dword [edx], IP_PROTO_TCP |
1191 | cmp dword [edx], IP_PROTO_TCP |
1190 | jne .invalid |
1192 | jne .invalid |
1191 | cmp dword [edx+4], -2 |
1193 | cmp dword [edx+4], -2 |
1192 | je @f |
1194 | je @f |
1193 | cmp dword [edx+4], -3 |
1195 | cmp dword [edx+4], -3 |
1194 | jne .invalid |
1196 | jne .invalid |
1195 | @@: |
1197 | @@: |
1196 | ; mov eax, [edx+12] |
1198 | ; mov eax, [edx+12] |
1197 | ; test eax, eax |
1199 | ; test eax, eax |
1198 | ; jz .fail |
1200 | ; jz .fail |
1199 | ; cmp dword [eax], 4 |
1201 | ; cmp dword [eax], 4 |
1200 | ; mov dword [eax], 4 |
1202 | ; mov dword [eax], 4 |
1201 | ; jb .fail |
1203 | ; jb .fail |
1202 | ; stdcall net_socket_num_to_addr, ecx |
1204 | ; stdcall net_socket_num_to_addr, ecx |
1203 | ; test eax, eax |
1205 | ; test eax, eax |
1204 | ; jz .fail |
1206 | ; jz .fail |
1205 | ; ; todo: check that eax is really TCP socket |
1207 | ; ; todo: check that eax is really TCP socket |
1206 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
1208 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
1207 | ; cmp dword [edx+4], -2 |
1209 | ; cmp dword [edx+4], -2 |
1208 | ; jz @f |
1210 | ; jz @f |
1209 | ; mov ecx, [eax + TCP_SOCKET.state] |
1211 | ; mov ecx, [eax + TCP_SOCKET.state] |
1210 | @@: |
1212 | @@: |
1211 | mov eax, [edx+8] |
1213 | mov eax, [edx+8] |
1212 | test eax, eax |
1214 | test eax, eax |
1213 | jz @f |
1215 | jz @f |
1214 | mov [eax], ecx |
1216 | mov [eax], ecx |
1215 | @@: |
1217 | @@: |
1216 | mov dword [esp + SYSCALL_STACK.eax], 0 |
1218 | mov dword [esp + SYSCALL_STACK.eax], 0 |
1217 | ret |
1219 | ret |
1218 | 1220 | ||
1219 | .invalid: |
1221 | .invalid: |
1220 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1222 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1221 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1223 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1222 | ret |
1224 | ret |
1223 | 1225 | ||
1224 | 1226 | ||
1225 | ;-----------------------------------------------------------------; |
1227 | ;-----------------------------------------------------------------; |
1226 | ; ; |
1228 | ; ; |
1227 | ; socket_set_options: Set a socket option. ; |
1229 | ; socket_set_options: Set a socket option. ; |
1228 | ; ; |
1230 | ; ; |
1229 | ; IN: ecx = socket number ; |
1231 | ; IN: ecx = socket number ; |
1230 | ; edx = pointer to socket options struct ; |
1232 | ; edx = pointer to socket options struct ; |
1231 | ; ; |
1233 | ; ; |
1232 | ; OUT: eax = 0 on success ; |
1234 | ; OUT: eax = 0 on success ; |
1233 | ; eax = -1 on error ; |
1235 | ; eax = -1 on error ; |
1234 | ; ebx = errorcode on error ; |
1236 | ; ebx = errorcode on error ; |
1235 | ; ; |
1237 | ; ; |
1236 | ;-----------------------------------------------------------------; |
1238 | ;-----------------------------------------------------------------; |
1237 | align 4 |
1239 | align 4 |
1238 | socket_set_opt: |
1240 | socket_set_opt: |
1239 | 1241 | ||
1240 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
1242 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
1241 | 1243 | ||
1242 | call socket_num_to_ptr |
1244 | call socket_num_to_ptr |
1243 | test eax, eax |
1245 | test eax, eax |
1244 | jz .invalid |
1246 | jz .invalid |
1245 | 1247 | ||
1246 | cmp [edx + socket_options.level], IP_PROTO_IP |
1248 | cmp [edx + socket_options.level], IP_PROTO_IP |
1247 | je .ip |
1249 | je .ip |
1248 | cmp [edx + socket_options.level], SOL_SOCKET |
1250 | cmp [edx + socket_options.level], SOL_SOCKET |
1249 | jne .invalid |
1251 | jne .invalid |
1250 | 1252 | ||
1251 | .socket: |
1253 | .socket: |
1252 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
1254 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
1253 | jne .invalid |
1255 | jne .invalid |
1254 | 1256 | ||
1255 | .bind: |
1257 | .bind: |
1256 | cmp [edx + socket_options.optlen], 0 |
1258 | cmp [edx + socket_options.optlen], 0 |
1257 | je .unbind |
1259 | je .unbind |
1258 | 1260 | ||
1259 | movzx edx, byte[edx + socket_options.optval] |
1261 | movzx edx, byte[edx + socket_options.optval] |
1260 | cmp edx, NET_DEVICES_MAX |
1262 | cmp edx, NET_DEVICES_MAX |
1261 | ja .invalid |
1263 | ja .invalid |
1262 | 1264 | ||
1263 | mov edx, [net_device_list + 4*edx] |
1265 | mov edx, [net_device_list + 4*edx] |
1264 | test edx, edx |
1266 | test edx, edx |
1265 | jz .already |
1267 | jz .already |
1266 | mov [eax + SOCKET.device], edx |
1268 | mov [eax + SOCKET.device], edx |
1267 | 1269 | ||
1268 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
1270 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
1269 | 1271 | ||
1270 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
1272 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
1271 | ret |
1273 | ret |
1272 | 1274 | ||
1273 | .unbind: |
1275 | .unbind: |
1274 | mov [eax + SOCKET.device], 0 |
1276 | mov [eax + SOCKET.device], 0 |
1275 | 1277 | ||
1276 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
1278 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
1277 | ret |
1279 | ret |
1278 | 1280 | ||
1279 | .ip: |
1281 | .ip: |
1280 | cmp [edx + socket_options.optname], IP_TTL |
1282 | cmp [edx + socket_options.optname], IP_TTL |
1281 | jne .invalid |
1283 | jne .invalid |
1282 | 1284 | ||
1283 | .ttl: |
1285 | .ttl: |
1284 | mov bl, byte[edx + socket_options.optval] |
1286 | mov bl, byte[edx + socket_options.optval] |
1285 | mov [eax + IP_SOCKET.ttl], bl |
1287 | mov [eax + IP_SOCKET.ttl], bl |
1286 | 1288 | ||
1287 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
1289 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
1288 | ret |
1290 | ret |
1289 | 1291 | ||
1290 | .already: |
1292 | .already: |
1291 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
1293 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
1292 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1294 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1293 | ret |
1295 | ret |
1294 | 1296 | ||
1295 | .invalid: |
1297 | .invalid: |
1296 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1298 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1297 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1299 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1298 | ret |
1300 | ret |
1299 | 1301 | ||
1300 | 1302 | ||
1301 | 1303 | ||
1302 | 1304 | ||
1303 | ;-----------------------------------------------------------------; |
1305 | ;-----------------------------------------------------------------; |
1304 | ; ; |
1306 | ; ; |
1305 | ; socket_pair: Allocate a pair of linked local sockets. ; |
1307 | ; socket_pair: Allocate a pair of linked local sockets. ; |
1306 | ; ; |
1308 | ; ; |
1307 | ; IN: / ; |
1309 | ; IN: / ; |
1308 | ; ; |
1310 | ; ; |
1309 | ; OUT: eax = socket1 num on success ; |
1311 | ; OUT: eax = socket1 num on success ; |
1310 | ; eax = -1 on error ; |
1312 | ; eax = -1 on error ; |
1311 | ; ebx = socket2 num on success ; |
1313 | ; ebx = socket2 num on success ; |
1312 | ; ebx = errorcode on error ; |
1314 | ; ebx = errorcode on error ; |
1313 | ; ; |
1315 | ; ; |
1314 | ;-----------------------------------------------------------------; |
1316 | ;-----------------------------------------------------------------; |
1315 | align 4 |
1317 | align 4 |
1316 | socket_pair: |
1318 | socket_pair: |
1317 | 1319 | ||
1318 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
1320 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
1319 | 1321 | ||
1320 | call socket_alloc |
1322 | call socket_alloc |
1321 | test eax, eax |
1323 | test eax, eax |
1322 | jz .nomem1 |
1324 | jz .nomem1 |
1323 | mov [esp + SYSCALL_STACK.eax], edi ; application's eax |
1325 | mov [esp + SYSCALL_STACK.eax], edi ; application's eax |
1324 | 1326 | ||
1325 | mov [eax + SOCKET.Domain], AF_LOCAL |
1327 | mov [eax + SOCKET.Domain], AF_LOCAL |
1326 | mov [eax + SOCKET.Type], SOCK_STREAM |
1328 | mov [eax + SOCKET.Type], SOCK_STREAM |
1327 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1329 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1328 | mov [eax + SOCKET.snd_proc], socket_send_local |
1330 | mov [eax + SOCKET.snd_proc], socket_send_local |
1329 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1331 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1330 | mov [eax + SOCKET.PID], 0 |
1332 | mov [eax + SOCKET.PID], 0 |
1331 | mov ebx, eax |
1333 | mov ebx, eax |
1332 | 1334 | ||
1333 | call socket_alloc |
1335 | call socket_alloc |
1334 | test eax, eax |
1336 | test eax, eax |
1335 | jz .nomem2 |
1337 | jz .nomem2 |
1336 | mov [esp + SYSCALL_STACK.ebx], edi ; application's ebx |
1338 | mov [esp + SYSCALL_STACK.ebx], edi ; application's ebx |
1337 | 1339 | ||
1338 | mov [eax + SOCKET.Domain], AF_LOCAL |
1340 | mov [eax + SOCKET.Domain], AF_LOCAL |
1339 | mov [eax + SOCKET.Type], SOCK_STREAM |
1341 | mov [eax + SOCKET.Type], SOCK_STREAM |
1340 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1342 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1341 | mov [eax + SOCKET.snd_proc], socket_send_local |
1343 | mov [eax + SOCKET.snd_proc], socket_send_local |
1342 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1344 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1343 | mov [eax + SOCKET.PID], 0 |
1345 | mov [eax + SOCKET.PID], 0 |
1344 | 1346 | ||
1345 | ; Link the two sockets to eachother |
1347 | ; Link the two sockets to eachother |
1346 | mov [eax + SOCKET.device], ebx |
1348 | mov [eax + SOCKET.device], ebx |
1347 | mov [ebx + SOCKET.device], eax |
1349 | mov [ebx + SOCKET.device], eax |
1348 | 1350 | ||
1349 | lea eax, [eax + STREAM_SOCKET.rcv] |
1351 | lea eax, [eax + STREAM_SOCKET.rcv] |
1350 | call socket_ring_create |
1352 | call socket_ring_create |
1351 | test eax, eax |
1353 | test eax, eax |
1352 | jz .nomem2 |
1354 | jz .nomem2 |
1353 | 1355 | ||
1354 | lea eax, [ebx + STREAM_SOCKET.rcv] |
1356 | lea eax, [ebx + STREAM_SOCKET.rcv] |
1355 | call socket_ring_create |
1357 | call socket_ring_create |
1356 | test eax, eax |
1358 | test eax, eax |
1357 | jz .nomem2 |
1359 | jz .nomem2 |
1358 | 1360 | ||
1359 | ret |
1361 | ret |
1360 | 1362 | ||
1361 | .nomem2: |
1363 | .nomem2: |
1362 | mov eax, [esp + SYSCALL_STACK.ebx] |
1364 | mov eax, [esp + SYSCALL_STACK.ebx] |
1363 | call socket_free |
1365 | call socket_free |
1364 | 1366 | ||
1365 | .nomem1: |
1367 | .nomem1: |
1366 | mov eax, [esp + SYSCALL_STACK.eax] |
1368 | mov eax, [esp + SYSCALL_STACK.eax] |
1367 | call socket_free |
1369 | call socket_free |
1368 | 1370 | ||
1369 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1371 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1370 | mov dword[esp + SYSCALL_STACK.ebx], ENOMEM |
1372 | mov dword[esp + SYSCALL_STACK.ebx], ENOMEM |
1371 | ret |
1373 | ret |
1372 | 1374 | ||
1373 | 1375 | ||
1374 | 1376 | ||
1375 | ;-----------------------------------------------------------------; |
1377 | ;-----------------------------------------------------------------; |
1376 | ; ; |
1378 | ; ; |
1377 | ; socket_debug: Copy socket variables to application buffer. ; |
1379 | ; socket_debug: Copy socket variables to application buffer. ; |
1378 | ; ; |
1380 | ; ; |
1379 | ; IN: ecx = socket number ; |
1381 | ; IN: ecx = socket number ; |
1380 | ; edx = pointer to application buffer ; |
1382 | ; edx = pointer to application buffer ; |
1381 | ; ; |
1383 | ; ; |
1382 | ; OUT: eax = 0 on success ; |
1384 | ; OUT: eax = 0 on success ; |
1383 | ; eax = -1 on error ; |
1385 | ; eax = -1 on error ; |
1384 | ; ebx = errorcode on error ; |
1386 | ; ebx = errorcode on error ; |
1385 | ; ; |
1387 | ; ; |
1386 | ;-----------------------------------------------------------------; |
1388 | ;-----------------------------------------------------------------; |
1387 | align 4 |
1389 | align 4 |
1388 | socket_debug: |
1390 | socket_debug: |
1389 | 1391 | ||
1390 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
1392 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
1391 | 1393 | ||
1392 | mov edi, edx |
1394 | mov edi, edx |
1393 | 1395 | ||
1394 | test ecx, ecx |
1396 | test ecx, ecx |
1395 | jz .returnall |
1397 | jz .returnall |
1396 | 1398 | ||
1397 | call socket_num_to_ptr |
1399 | call socket_num_to_ptr |
1398 | test eax, eax |
1400 | test eax, eax |
1399 | jz .invalid |
1401 | jz .invalid |
1400 | 1402 | ||
1401 | stdcall is_region_userspace, edi, SOCKET_STRUCT_SIZE |
1403 | stdcall is_region_userspace, edi, SOCKET_STRUCT_SIZE |
1402 | jnz .invalid |
1404 | jnz .invalid |
1403 | 1405 | ||
1404 | mov esi, eax |
1406 | mov esi, eax |
1405 | mov ecx, SOCKET_STRUCT_SIZE/4 |
1407 | mov ecx, SOCKET_STRUCT_SIZE/4 |
1406 | rep movsd |
1408 | rep movsd |
1407 | 1409 | ||
1408 | mov dword[esp+32], 0 |
1410 | mov dword[esp+32], 0 |
1409 | ret |
1411 | ret |
1410 | 1412 | ||
1411 | .returnall: |
1413 | .returnall: |
1412 | mov ebx, net_sockets |
1414 | mov ebx, net_sockets |
1413 | .next_socket: |
1415 | .next_socket: |
1414 | mov ebx, [ebx + SOCKET.NextPtr] |
1416 | mov ebx, [ebx + SOCKET.NextPtr] |
1415 | test ebx, ebx |
1417 | test ebx, ebx |
1416 | jz .done |
1418 | jz .done |
1417 | mov eax, [ebx + SOCKET.Number] |
1419 | mov eax, [ebx + SOCKET.Number] |
1418 | stosd |
1420 | stosd |
1419 | jmp .next_socket |
1421 | jmp .next_socket |
1420 | .done: |
1422 | .done: |
1421 | xor eax, eax |
1423 | xor eax, eax |
1422 | stosd |
1424 | stosd |
1423 | mov dword[esp + SYSCALL_STACK.eax], eax |
1425 | mov dword[esp + SYSCALL_STACK.eax], eax |
1424 | ret |
1426 | ret |
1425 | 1427 | ||
1426 | .invalid: |
1428 | .invalid: |
1427 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1429 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1428 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1430 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1429 | ret |
1431 | ret |
1430 | 1432 | ||
1431 | 1433 | ||
1432 | ;-----------------------------------------------------------------; |
1434 | ;-----------------------------------------------------------------; |
1433 | ; ____ ____ ; |
1435 | ; ____ ____ ; |
1434 | ; \ / End of sockets API \ / ; |
1436 | ; \ / End of sockets API \ / ; |
1435 | ; \/ \/ ; |
1437 | ; \/ \/ ; |
1436 | ; () Internally used functions follow () ; |
1438 | ; () Internally used functions follow () ; |
1437 | ; ; |
1439 | ; ; |
1438 | ;-----------------------------------------------------------------; |
1440 | ;-----------------------------------------------------------------; |
1439 | 1441 | ||
1440 | 1442 | ||
1441 | ;-----------------------------------------------------------------; |
1443 | ;-----------------------------------------------------------------; |
1442 | ; ; |
1444 | ; ; |
1443 | ; socket_find_port: ; |
1445 | ; socket_find_port: ; |
1444 | ; Fill in the local port number for TCP and UDP sockets ; |
1446 | ; Fill in the local port number for TCP and UDP sockets ; |
1445 | ; This procedure always works because the number of sockets is ; |
1447 | ; This procedure always works because the number of sockets is ; |
1446 | ; limited to a smaller number then the number of possible ports ; |
1448 | ; limited to a smaller number then the number of possible ports ; |
1447 | ; ; |
1449 | ; ; |
1448 | ; IN: eax = socket pointer ; |
1450 | ; IN: eax = socket pointer ; |
1449 | ; ; |
1451 | ; ; |
1450 | ; OUT: / ; |
1452 | ; OUT: / ; |
1451 | ; ; |
1453 | ; ; |
1452 | ;-----------------------------------------------------------------; |
1454 | ;-----------------------------------------------------------------; |
1453 | align 4 |
1455 | align 4 |
1454 | socket_find_port: |
1456 | socket_find_port: |
1455 | 1457 | ||
1456 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
1458 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
1457 | 1459 | ||
1458 | push ebx esi ecx |
1460 | push ebx esi ecx |
1459 | 1461 | ||
1460 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
1462 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
1461 | je .udp |
1463 | je .udp |
1462 | 1464 | ||
1463 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1465 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1464 | je .tcp |
1466 | je .tcp |
1465 | 1467 | ||
1466 | pop ecx esi ebx |
1468 | pop ecx esi ebx |
1467 | ret |
1469 | ret |
1468 | 1470 | ||
1469 | .udp: |
1471 | .udp: |
1470 | mov bx, [last_UDP_port] |
1472 | mov bx, [last_UDP_port] |
1471 | call .findit |
1473 | call .findit |
1472 | mov [last_UDP_port], bx |
1474 | mov [last_UDP_port], bx |
1473 | 1475 | ||
1474 | pop ecx esi ebx |
1476 | pop ecx esi ebx |
1475 | ret |
1477 | ret |
1476 | 1478 | ||
1477 | .tcp: |
1479 | .tcp: |
1478 | mov bx, [last_TCP_port] |
1480 | mov bx, [last_TCP_port] |
1479 | call .findit |
1481 | call .findit |
1480 | mov [last_TCP_port], bx |
1482 | mov [last_TCP_port], bx |
1481 | 1483 | ||
1482 | pop ecx esi ebx |
1484 | pop ecx esi ebx |
1483 | ret |
1485 | ret |
1484 | 1486 | ||
1485 | 1487 | ||
1486 | .restart: |
1488 | .restart: |
1487 | mov bx, MIN_EPHEMERAL_PORT_N |
1489 | mov bx, MIN_EPHEMERAL_PORT_N |
1488 | .findit: |
1490 | .findit: |
1489 | cmp bx, MAX_EPHEMERAL_PORT_N |
1491 | cmp bx, MAX_EPHEMERAL_PORT_N |
1490 | je .restart |
1492 | je .restart |
1491 | 1493 | ||
1492 | add bh, 1 |
1494 | add bh, 1 |
1493 | adc bl, 0 |
1495 | adc bl, 0 |
1494 | 1496 | ||
1495 | call socket_check_port |
1497 | call socket_check_port |
1496 | jz .findit |
1498 | jz .findit |
1497 | ret |
1499 | ret |
1498 | 1500 | ||
1499 | 1501 | ||
1500 | 1502 | ||
1501 | ;-----------------------------------------------------------------; |
1503 | ;-----------------------------------------------------------------; |
1502 | ; ; |
1504 | ; ; |
1503 | ; socket_check_port: (to be used with AF_INET only!) ; |
1505 | ; socket_check_port: (to be used with AF_INET only!) ; |
1504 | ; Checks if a local port number is unused ; |
1506 | ; Checks if a local port number is unused ; |
1505 | ; If the proposed port number is unused, it is filled in in the ; |
1507 | ; If the proposed port number is unused, it is filled in in the ; |
1506 | ; socket structure. ; |
1508 | ; socket structure. ; |
1507 | ; ; |
1509 | ; ; |
1508 | ; IN: eax = socket ptr ; |
1510 | ; IN: eax = socket ptr ; |
1509 | ; bx = proposed socket number (network byte order) ; |
1511 | ; bx = proposed socket number (network byte order) ; |
1510 | ; ; |
1512 | ; ; |
1511 | ; OUT: ZF = set on error ; |
1513 | ; OUT: ZF = set on error ; |
1512 | ; ; |
1514 | ; ; |
1513 | ;-----------------------------------------------------------------; |
1515 | ;-----------------------------------------------------------------; |
1514 | align 4 |
1516 | align 4 |
1515 | socket_check_port: |
1517 | socket_check_port: |
1516 | 1518 | ||
1517 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
1519 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
1518 | 1520 | ||
1519 | pusha |
1521 | pusha |
1520 | mov ecx, socket_mutex |
1522 | mov ecx, socket_mutex |
1521 | call mutex_lock |
1523 | call mutex_lock |
1522 | popa |
1524 | popa |
1523 | 1525 | ||
1524 | mov ecx, [eax + SOCKET.Protocol] |
1526 | mov ecx, [eax + SOCKET.Protocol] |
1525 | mov edx, [eax + IP_SOCKET.LocalIP] |
1527 | mov edx, [eax + IP_SOCKET.LocalIP] |
1526 | mov esi, net_sockets |
1528 | mov esi, net_sockets |
1527 | 1529 | ||
1528 | .next_socket: |
1530 | .next_socket: |
1529 | mov esi, [esi + SOCKET.NextPtr] |
1531 | mov esi, [esi + SOCKET.NextPtr] |
1530 | or esi, esi |
1532 | or esi, esi |
1531 | jz .port_ok |
1533 | jz .port_ok |
1532 | 1534 | ||
1533 | cmp [esi + SOCKET.Protocol], ecx |
1535 | cmp [esi + SOCKET.Protocol], ecx |
1534 | jne .next_socket |
1536 | jne .next_socket |
1535 | 1537 | ||
1536 | cmp [esi + IP_SOCKET.LocalIP], edx |
1538 | cmp [esi + IP_SOCKET.LocalIP], edx |
1537 | jne .next_socket |
1539 | jne .next_socket |
1538 | 1540 | ||
1539 | cmp [esi + UDP_SOCKET.LocalPort], bx |
1541 | cmp [esi + UDP_SOCKET.LocalPort], bx |
1540 | jne .next_socket |
1542 | jne .next_socket |
1541 | 1543 | ||
1542 | pusha |
1544 | pusha |
1543 | mov ecx, socket_mutex |
1545 | mov ecx, socket_mutex |
1544 | call mutex_unlock |
1546 | call mutex_unlock |
1545 | popa |
1547 | popa |
1546 | 1548 | ||
1547 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
1549 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
1548 | ret |
1550 | ret |
1549 | 1551 | ||
1550 | .port_ok: |
1552 | .port_ok: |
1551 | pusha |
1553 | pusha |
1552 | mov ecx, socket_mutex |
1554 | mov ecx, socket_mutex |
1553 | call mutex_unlock |
1555 | call mutex_unlock |
1554 | popa |
1556 | popa |
1555 | 1557 | ||
1556 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
1558 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
1557 | mov [eax + UDP_SOCKET.LocalPort], bx |
1559 | mov [eax + UDP_SOCKET.LocalPort], bx |
1558 | or bx, bx ; clear the zero-flag |
1560 | or bx, bx ; clear the zero-flag |
1559 | ret |
1561 | ret |
1560 | 1562 | ||
1561 | 1563 | ||
1562 | 1564 | ||
1563 | ;-----------------------------------------------------------------; |
1565 | ;-----------------------------------------------------------------; |
1564 | ; ; |
1566 | ; ; |
1565 | ; socket_input: Update a (stateless) socket with received data. ; |
1567 | ; socket_input: Update a (stateless) socket with received data. ; |
1566 | ; ; |
1568 | ; ; |
1567 | ; Note: The socket's mutex should already be set ! ; |
1569 | ; Note: The socket's mutex should already be set ! ; |
1568 | ; ; |
1570 | ; ; |
1569 | ; IN: eax = socket ptr ; |
1571 | ; IN: eax = socket ptr ; |
1570 | ; ecx = data size ; |
1572 | ; ecx = data size ; |
1571 | ; esi = ptr to data ; |
1573 | ; esi = ptr to data ; |
1572 | ; [esp] = ptr to buf ; |
1574 | ; [esp] = ptr to buf ; |
1573 | ; ; |
1575 | ; ; |
1574 | ; OUT: / ; |
1576 | ; OUT: / ; |
1575 | ; ; |
1577 | ; ; |
1576 | ;-----------------------------------------------------------------; |
1578 | ;-----------------------------------------------------------------; |
1577 | align 4 |
1579 | align 4 |
1578 | socket_input: |
1580 | socket_input: |
1579 | 1581 | ||
1580 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
1582 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
1581 | 1583 | ||
1582 | push ecx |
1584 | push ecx |
1583 | push esi |
1585 | push esi |
1584 | mov esi, esp |
1586 | mov esi, esp |
1585 | 1587 | ||
1586 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
1588 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
1587 | 1589 | ||
1588 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
1590 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
1589 | add esp, sizeof.socket_queue_entry |
1591 | add esp, sizeof.socket_queue_entry |
1590 | 1592 | ||
1591 | pusha |
1593 | pusha |
1592 | lea ecx, [eax + SOCKET.mutex] |
1594 | lea ecx, [eax + SOCKET.mutex] |
1593 | call mutex_unlock |
1595 | call mutex_unlock |
1594 | popa |
1596 | popa |
1595 | 1597 | ||
1596 | jmp socket_notify |
1598 | jmp socket_notify |
1597 | 1599 | ||
1598 | .full: |
1600 | .full: |
1599 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
1601 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
1600 | 1602 | ||
1601 | pusha |
1603 | pusha |
1602 | lea ecx, [eax + SOCKET.mutex] |
1604 | lea ecx, [eax + SOCKET.mutex] |
1603 | call mutex_unlock |
1605 | call mutex_unlock |
1604 | popa |
1606 | popa |
1605 | 1607 | ||
1606 | add esp, 8 |
1608 | add esp, 8 |
1607 | call net_buff_free |
1609 | call net_buff_free |
1608 | ret |
1610 | ret |
1609 | 1611 | ||
1610 | 1612 | ||
1611 | ;-----------------------------------------------------------------; |
1613 | ;-----------------------------------------------------------------; |
1612 | ; ; |
1614 | ; ; |
1613 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
1615 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
1614 | ; ; |
1616 | ; ; |
1615 | ; IN: eax = ptr to ring struct ; |
1617 | ; IN: eax = ptr to ring struct ; |
1616 | ; ; |
1618 | ; ; |
1617 | ; OUT: eax = 0 on error ; |
1619 | ; OUT: eax = 0 on error ; |
1618 | ; eax = start ptr ; |
1620 | ; eax = start ptr ; |
1619 | ; ; |
1621 | ; ; |
1620 | ;-----------------------------------------------------------------; |
1622 | ;-----------------------------------------------------------------; |
1621 | align 4 |
1623 | align 4 |
1622 | socket_ring_create: |
1624 | socket_ring_create: |
1623 | 1625 | ||
1624 | push esi |
1626 | push esi |
1625 | mov esi, eax |
1627 | mov esi, eax |
1626 | 1628 | ||
1627 | push edx |
1629 | push edx |
1628 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
1630 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
1629 | pop edx |
1631 | pop edx |
1630 | test eax, eax |
1632 | test eax, eax |
1631 | jz .fail |
1633 | jz .fail |
1632 | 1634 | ||
1633 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
1635 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
1634 | 1636 | ||
1635 | pusha |
1637 | pusha |
1636 | lea ecx, [esi + RING_BUFFER.mutex] |
1638 | lea ecx, [esi + RING_BUFFER.mutex] |
1637 | call mutex_init |
1639 | call mutex_init |
1638 | popa |
1640 | popa |
1639 | 1641 | ||
1640 | mov [esi + RING_BUFFER.start_ptr], eax |
1642 | mov [esi + RING_BUFFER.start_ptr], eax |
1641 | mov [esi + RING_BUFFER.write_ptr], eax |
1643 | mov [esi + RING_BUFFER.write_ptr], eax |
1642 | mov [esi + RING_BUFFER.read_ptr], eax |
1644 | mov [esi + RING_BUFFER.read_ptr], eax |
1643 | mov [esi + RING_BUFFER.size], 0 |
1645 | mov [esi + RING_BUFFER.size], 0 |
1644 | add eax, SOCKET_BUFFER_SIZE |
1646 | add eax, SOCKET_BUFFER_SIZE |
1645 | mov [esi + RING_BUFFER.end_ptr], eax |
1647 | mov [esi + RING_BUFFER.end_ptr], eax |
1646 | mov eax, esi |
1648 | mov eax, esi |
1647 | 1649 | ||
1648 | pop esi |
1650 | pop esi |
1649 | ret |
1651 | ret |
1650 | 1652 | ||
1651 | .fail: |
1653 | .fail: |
1652 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
1654 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
1653 | pop esi |
1655 | pop esi |
1654 | ret |
1656 | ret |
1655 | 1657 | ||
1656 | ;-----------------------------------------------------------------; |
1658 | ;-----------------------------------------------------------------; |
1657 | ; ; |
1659 | ; ; |
1658 | ; socket_ring_write: Write data to ring buffer. ; |
1660 | ; socket_ring_write: Write data to ring buffer. ; |
1659 | ; ; |
1661 | ; ; |
1660 | ; IN: eax = ptr to ring struct ; |
1662 | ; IN: eax = ptr to ring struct ; |
1661 | ; ecx = data size ; |
1663 | ; ecx = data size ; |
1662 | ; esi = ptr to data ; |
1664 | ; esi = ptr to data ; |
1663 | ; ; |
1665 | ; ; |
1664 | ; OUT: ecx = number of bytes stored ; |
1666 | ; OUT: ecx = number of bytes stored ; |
1665 | ; ; |
1667 | ; ; |
1666 | ;-----------------------------------------------------------------; |
1668 | ;-----------------------------------------------------------------; |
1667 | align 4 |
1669 | align 4 |
1668 | socket_ring_write: |
1670 | socket_ring_write: |
1669 | 1671 | ||
1670 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
1672 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
1671 | 1673 | ||
1672 | ; lock mutex |
1674 | ; lock mutex |
1673 | pusha |
1675 | pusha |
1674 | lea ecx, [eax + RING_BUFFER.mutex] |
1676 | lea ecx, [eax + RING_BUFFER.mutex] |
1675 | call mutex_lock ; TODO: check what registers this function actually destroys |
1677 | call mutex_lock ; TODO: check what registers this function actually destroys |
1676 | popa |
1678 | popa |
1677 | 1679 | ||
1678 | ; calculate available size |
1680 | ; calculate available size |
1679 | mov edi, SOCKET_BUFFER_SIZE |
1681 | mov edi, SOCKET_BUFFER_SIZE |
1680 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1682 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1681 | cmp ecx, edi |
1683 | cmp ecx, edi |
1682 | jbe .copy |
1684 | jbe .copy |
1683 | mov ecx, edi |
1685 | mov ecx, edi |
1684 | .copy: |
1686 | .copy: |
1685 | mov edi, [eax + RING_BUFFER.write_ptr] |
1687 | mov edi, [eax + RING_BUFFER.write_ptr] |
1686 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
1688 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
1687 | 1689 | ||
1688 | ; update write ptr |
1690 | ; update write ptr |
1689 | push edi |
1691 | push edi |
1690 | add edi, ecx |
1692 | add edi, ecx |
1691 | cmp edi, [eax + RING_BUFFER.end_ptr] |
1693 | cmp edi, [eax + RING_BUFFER.end_ptr] |
1692 | jb @f |
1694 | jb @f |
1693 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
1695 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
1694 | @@: |
1696 | @@: |
1695 | mov [eax + RING_BUFFER.write_ptr], edi |
1697 | mov [eax + RING_BUFFER.write_ptr], edi |
1696 | pop edi |
1698 | pop edi |
1697 | 1699 | ||
1698 | ; update size |
1700 | ; update size |
1699 | add [eax + RING_BUFFER.size], ecx |
1701 | add [eax + RING_BUFFER.size], ecx |
1700 | 1702 | ||
1701 | ; copy the data |
1703 | ; copy the data |
1702 | push ecx |
1704 | push ecx |
1703 | shr ecx, 1 |
1705 | shr ecx, 1 |
1704 | jnc .nb |
1706 | jnc .nb |
1705 | movsb |
1707 | movsb |
1706 | .nb: |
1708 | .nb: |
1707 | shr ecx, 1 |
1709 | shr ecx, 1 |
1708 | jnc .nw |
1710 | jnc .nw |
1709 | movsw |
1711 | movsw |
1710 | .nw: |
1712 | .nw: |
1711 | test ecx, ecx |
1713 | test ecx, ecx |
1712 | jz .nd |
1714 | jz .nd |
1713 | rep movsd |
1715 | rep movsd |
1714 | .nd: |
1716 | .nd: |
1715 | pop ecx |
1717 | pop ecx |
1716 | 1718 | ||
1717 | ; unlock mutex |
1719 | ; unlock mutex |
1718 | pusha |
1720 | pusha |
1719 | lea ecx, [eax + RING_BUFFER.mutex] |
1721 | lea ecx, [eax + RING_BUFFER.mutex] |
1720 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1722 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1721 | popa |
1723 | popa |
1722 | 1724 | ||
1723 | ret |
1725 | ret |
1724 | 1726 | ||
1725 | ;-----------------------------------------------------------------; |
1727 | ;-----------------------------------------------------------------; |
1726 | ; ; |
1728 | ; ; |
1727 | ; socket_ring_read: Read from ring buffer ; |
1729 | ; socket_ring_read: Read from ring buffer ; |
1728 | ; ; |
1730 | ; ; |
1729 | ; IN: eax = ring struct ptr ; |
1731 | ; IN: eax = ring struct ptr ; |
1730 | ; ecx = bytes to read ; |
1732 | ; ecx = bytes to read ; |
1731 | ; edx = offset ; |
1733 | ; edx = offset ; |
1732 | ; edi = ptr to buffer start ; |
1734 | ; edi = ptr to buffer start ; |
1733 | ; ; |
1735 | ; ; |
1734 | ; OUT: eax = unchanged ; |
1736 | ; OUT: eax = unchanged ; |
1735 | ; ecx = number of bytes read (0 on error) ; |
1737 | ; ecx = number of bytes read (0 on error) ; |
1736 | ; edx = destroyed ; |
1738 | ; edx = destroyed ; |
1737 | ; esi = destroyed ; |
1739 | ; esi = destroyed ; |
1738 | ; edi = ptr to buffer end ; |
1740 | ; edi = ptr to buffer end ; |
1739 | ; ; |
1741 | ; ; |
1740 | ;-----------------------------------------------------------------; |
1742 | ;-----------------------------------------------------------------; |
1741 | align 4 |
1743 | align 4 |
1742 | socket_ring_read: |
1744 | socket_ring_read: |
1743 | 1745 | ||
1744 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
1746 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
1745 | 1747 | ||
1746 | pusha |
1748 | pusha |
1747 | lea ecx, [eax + RING_BUFFER.mutex] |
1749 | lea ecx, [eax + RING_BUFFER.mutex] |
1748 | call mutex_lock ; TODO: check what registers this function actually destroys |
1750 | call mutex_lock ; TODO: check what registers this function actually destroys |
1749 | popa |
1751 | popa |
1750 | 1752 | ||
1751 | mov esi, [eax + RING_BUFFER.read_ptr] |
1753 | mov esi, [eax + RING_BUFFER.read_ptr] |
1752 | add esi, edx ; esi = start_ptr + offset |
1754 | add esi, edx ; esi = start_ptr + offset |
1753 | 1755 | ||
1754 | neg edx |
1756 | neg edx |
1755 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
1757 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
1756 | jle .no_data_at_all |
1758 | jle .no_data_at_all |
1757 | 1759 | ||
1758 | pusha |
1760 | pusha |
1759 | lea ecx, [eax + RING_BUFFER.mutex] |
1761 | lea ecx, [eax + RING_BUFFER.mutex] |
1760 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1762 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1761 | popa |
1763 | popa |
1762 | 1764 | ||
1763 | cmp ecx, edx |
1765 | cmp ecx, edx |
1764 | ja .less_data |
1766 | ja .less_data |
1765 | 1767 | ||
1766 | .copy: |
1768 | .copy: |
1767 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
1769 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
1768 | push ecx |
1770 | push ecx |
1769 | shr ecx, 1 |
1771 | shr ecx, 1 |
1770 | jnc .nb |
1772 | jnc .nb |
1771 | movsb |
1773 | movsb |
1772 | .nb: |
1774 | .nb: |
1773 | shr ecx, 1 |
1775 | shr ecx, 1 |
1774 | jnc .nw |
1776 | jnc .nw |
1775 | movsw |
1777 | movsw |
1776 | .nw: |
1778 | .nw: |
1777 | test ecx, ecx |
1779 | test ecx, ecx |
1778 | jz .nd |
1780 | jz .nd |
1779 | rep movsd |
1781 | rep movsd |
1780 | .nd: |
1782 | .nd: |
1781 | pop ecx |
1783 | pop ecx |
1782 | ret |
1784 | ret |
1783 | 1785 | ||
1784 | .no_data_at_all: |
1786 | .no_data_at_all: |
1785 | pusha |
1787 | pusha |
1786 | lea ecx, [eax + RING_BUFFER.mutex] |
1788 | lea ecx, [eax + RING_BUFFER.mutex] |
1787 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1789 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1788 | popa |
1790 | popa |
1789 | 1791 | ||
1790 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
1792 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
1791 | xor ecx, ecx |
1793 | xor ecx, ecx |
1792 | ret |
1794 | ret |
1793 | 1795 | ||
1794 | .less_data: |
1796 | .less_data: |
1795 | mov ecx, edx |
1797 | mov ecx, edx |
1796 | jmp .copy |
1798 | jmp .copy |
1797 | 1799 | ||
1798 | 1800 | ||
1799 | ;-----------------------------------------------------------------; |
1801 | ;-----------------------------------------------------------------; |
1800 | ; ; |
1802 | ; ; |
1801 | ; socket_ring_free: Free data from a ringbuffer. ; |
1803 | ; socket_ring_free: Free data from a ringbuffer. ; |
1802 | ; ; |
1804 | ; ; |
1803 | ; IN: eax = ptr to ring struct ; |
1805 | ; IN: eax = ptr to ring struct ; |
1804 | ; ecx = data size ; |
1806 | ; ecx = data size ; |
1805 | ; ; |
1807 | ; ; |
1806 | ; OUT: ecx = number of freed bytes ; |
1808 | ; OUT: ecx = number of freed bytes ; |
1807 | ; ; |
1809 | ; ; |
1808 | ;-----------------------------------------------------------------; |
1810 | ;-----------------------------------------------------------------; |
1809 | align 4 |
1811 | align 4 |
1810 | socket_ring_free: |
1812 | socket_ring_free: |
1811 | 1813 | ||
1812 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
1814 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
1813 | 1815 | ||
1814 | push eax ecx |
1816 | push eax ecx |
1815 | lea ecx, [eax + RING_BUFFER.mutex] |
1817 | lea ecx, [eax + RING_BUFFER.mutex] |
1816 | call mutex_lock ; TODO: check what registers this function actually destroys |
1818 | call mutex_lock ; TODO: check what registers this function actually destroys |
1817 | pop ecx eax |
1819 | pop ecx eax |
1818 | 1820 | ||
1819 | sub [eax + RING_BUFFER.size], ecx |
1821 | sub [eax + RING_BUFFER.size], ecx |
1820 | jb .error |
1822 | jb .error |
1821 | add [eax + RING_BUFFER.read_ptr], ecx |
1823 | add [eax + RING_BUFFER.read_ptr], ecx |
1822 | 1824 | ||
1823 | mov edx, [eax + RING_BUFFER.end_ptr] |
1825 | mov edx, [eax + RING_BUFFER.end_ptr] |
1824 | cmp [eax + RING_BUFFER.read_ptr], edx |
1826 | cmp [eax + RING_BUFFER.read_ptr], edx |
1825 | jb @f |
1827 | jb @f |
1826 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
1828 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
1827 | @@: |
1829 | @@: |
1828 | 1830 | ||
1829 | push eax ecx |
1831 | push eax ecx |
1830 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
1832 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
1831 | call mutex_unlock |
1833 | call mutex_unlock |
1832 | pop ecx eax |
1834 | pop ecx eax |
1833 | 1835 | ||
1834 | ret |
1836 | ret |
1835 | 1837 | ||
1836 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
1838 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
1837 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
1839 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
1838 | add [eax + RING_BUFFER.size], ecx |
1840 | add [eax + RING_BUFFER.size], ecx |
1839 | 1841 | ||
1840 | push eax |
1842 | push eax |
1841 | lea ecx, [eax + RING_BUFFER.mutex] |
1843 | lea ecx, [eax + RING_BUFFER.mutex] |
1842 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1844 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1843 | pop eax |
1845 | pop eax |
1844 | 1846 | ||
1845 | xor ecx, ecx |
1847 | xor ecx, ecx |
1846 | ret |
1848 | ret |
1847 | 1849 | ||
1848 | 1850 | ||
1849 | ;-----------------------------------------------------------------; |
1851 | ;-----------------------------------------------------------------; |
1850 | ; ; |
1852 | ; ; |
1851 | ; socket_block: Suspend the thread attached to a socket. ; |
1853 | ; socket_block: Suspend the thread attached to a socket. ; |
1852 | ; ; |
1854 | ; ; |
1853 | ; IN: eax = socket ptr ; |
1855 | ; IN: eax = socket ptr ; |
1854 | ; ; |
1856 | ; ; |
1855 | ; OUT: eax = unchanged ; |
1857 | ; OUT: eax = unchanged ; |
1856 | ; ; |
1858 | ; ; |
1857 | ;-----------------------------------------------------------------; |
1859 | ;-----------------------------------------------------------------; |
1858 | align 4 |
1860 | align 4 |
1859 | socket_block: |
1861 | socket_block: |
1860 | 1862 | ||
1861 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
1863 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
1862 | 1864 | ||
1863 | push eax |
1865 | push eax |
1864 | 1866 | ||
1865 | pushf |
1867 | pushf |
1866 | cli |
1868 | cli |
1867 | ; Set the 'socket is blocked' flag |
1869 | ; Set the 'socket is blocked' flag |
1868 | or [eax + SOCKET.state], SS_BLOCKED |
1870 | or [eax + SOCKET.state], SS_BLOCKED |
1869 | 1871 | ||
1870 | ; Suspend the thread |
1872 | ; Suspend the thread |
1871 | push edx |
1873 | push edx |
1872 | mov edx, [current_slot] |
1874 | mov edx, [current_slot] |
1873 | mov [edx + APPDATA.state], TSTATE_RUN_SUSPENDED |
1875 | mov [edx + APPDATA.state], TSTATE_RUN_SUSPENDED |
1874 | 1876 | ||
1875 | ; Remember the thread ID so we can wake it up again |
1877 | ; Remember the thread ID so we can wake it up again |
1876 | mov edx, [edx + APPDATA.tid] |
1878 | mov edx, [edx + APPDATA.tid] |
1877 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
1879 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
1878 | mov [eax + SOCKET.TID], edx |
1880 | mov [eax + SOCKET.TID], edx |
1879 | pop edx |
1881 | pop edx |
1880 | popf |
1882 | popf |
1881 | 1883 | ||
1882 | call change_task |
1884 | call change_task |
1883 | pop eax |
1885 | pop eax |
1884 | 1886 | ||
1885 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
1887 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
1886 | 1888 | ||
1887 | ret |
1889 | ret |
1888 | 1890 | ||
1889 | 1891 | ||
1890 | ;-----------------------------------------------------------------; |
1892 | ;-----------------------------------------------------------------; |
1891 | ; ; |
1893 | ; ; |
1892 | ; socket_notify: Wake up socket owner thread. ; |
1894 | ; socket_notify: Wake up socket owner thread. ; |
1893 | ; ; |
1895 | ; ; |
1894 | ; IN: eax = socket ptr ; |
1896 | ; IN: eax = socket ptr ; |
1895 | ; ; |
1897 | ; ; |
1896 | ; OUT: eax = unchanged ; |
1898 | ; OUT: eax = unchanged ; |
1897 | ; ; |
1899 | ; ; |
1898 | ;-----------------------------------------------------------------; |
1900 | ;-----------------------------------------------------------------; |
1899 | align 4 |
1901 | align 4 |
1900 | socket_notify: |
1902 | socket_notify: |
1901 | 1903 | ||
1902 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
1904 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
1903 | 1905 | ||
1904 | call socket_check |
1906 | call socket_check |
1905 | jz .error |
1907 | jz .error |
1906 | 1908 | ||
1907 | ; Find the associated thread's |
1909 | ; Find the associated thread's |
1908 | push ebx ecx esi |
1910 | push ebx ecx esi |
1909 | mov ebx, [eax + SOCKET.TID] |
1911 | mov ebx, [eax + SOCKET.TID] |
1910 | test ebx, ebx |
1912 | test ebx, ebx |
1911 | jz .error2 |
1913 | jz .error2 |
1912 | xor ecx, ecx |
1914 | xor ecx, ecx |
1913 | inc ecx |
1915 | inc ecx |
1914 | mov esi, SLOT_BASE + sizeof.APPDATA |
1916 | mov esi, SLOT_BASE + sizeof.APPDATA |
1915 | .next: |
1917 | .next: |
1916 | cmp [esi + APPDATA.tid], ebx |
1918 | cmp [esi + APPDATA.tid], ebx |
1917 | je .found |
1919 | je .found |
1918 | inc ecx |
1920 | inc ecx |
1919 | add esi, sizeof.APPDATA |
1921 | add esi, sizeof.APPDATA |
1920 | cmp ecx, [thread_count] |
1922 | cmp ecx, [thread_count] |
1921 | jbe .next |
1923 | jbe .next |
1922 | 1924 | ||
1923 | .error2: |
1925 | .error2: |
1924 | ; PID not found, TODO: close socket! |
1926 | ; PID not found, TODO: close socket! |
1925 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1927 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1926 | pop esi ecx ebx |
1928 | pop esi ecx ebx |
1927 | ret |
1929 | ret |
1928 | 1930 | ||
1929 | .error: |
1931 | .error: |
1930 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
1932 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
1931 | ret |
1933 | ret |
1932 | 1934 | ||
1933 | .found: |
1935 | .found: |
1934 | test [eax + SOCKET.state], SS_BLOCKED |
1936 | test [eax + SOCKET.state], SS_BLOCKED |
1935 | jnz .un_block |
1937 | jnz .un_block |
1936 | 1938 | ||
1937 | ; Socket and thread exists and socket is of non blocking type. |
1939 | ; Socket and thread exists and socket is of non blocking type. |
1938 | ; We'll try to flag an event to the thread. |
1940 | ; We'll try to flag an event to the thread. |
1939 | or [esi + APPDATA.occurred_events], EVENT_NETWORK |
1941 | or [esi + APPDATA.occurred_events], EVENT_NETWORK |
1940 | 1942 | ||
1941 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
1943 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
1942 | pop esi ecx ebx |
1944 | pop esi ecx ebx |
1943 | ret |
1945 | ret |
1944 | 1946 | ||
1945 | 1947 | ||
1946 | .un_block: |
1948 | .un_block: |
1947 | ; Socket and thread exists and socket is of blocking type |
1949 | ; Socket and thread exists and socket is of blocking type |
1948 | ; We'll try to unblock it. |
1950 | ; We'll try to unblock it. |
1949 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
1951 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
1950 | mov [esi + APPDATA.state], TSTATE_RUNNING ; Run the thread |
1952 | mov [esi + APPDATA.state], TSTATE_RUNNING ; Run the thread |
1951 | 1953 | ||
1952 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
1954 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
1953 | pop esi ecx ebx |
1955 | pop esi ecx ebx |
1954 | ret |
1956 | ret |
1955 | 1957 | ||
1956 | 1958 | ||
1957 | ;-----------------------------------------------------------------; |
1959 | ;-----------------------------------------------------------------; |
1958 | ; ; |
1960 | ; ; |
1959 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1961 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1960 | ; into the list. Newly created socket is initialized with calling ; |
1962 | ; into the list. Newly created socket is initialized with calling ; |
1961 | ; PID and given a socket number. ; |
1963 | ; PID and given a socket number. ; |
1962 | ; ; |
1964 | ; ; |
1963 | ; IN: / ; |
1965 | ; IN: / ; |
1964 | ; ; |
1966 | ; ; |
1965 | ; OUT: eax = socket ptr on success ; |
1967 | ; OUT: eax = socket ptr on success ; |
1966 | ; eax = 0 on error ; |
1968 | ; eax = 0 on error ; |
1967 | ; edi = socket number on success ; |
1969 | ; edi = socket number on success ; |
1968 | ; ; |
1970 | ; ; |
1969 | ;-----------------------------------------------------------------; |
1971 | ;-----------------------------------------------------------------; |
1970 | align 4 |
1972 | align 4 |
1971 | socket_alloc: |
1973 | socket_alloc: |
1972 | 1974 | ||
1973 | push ebx |
1975 | push ebx |
1974 | 1976 | ||
1975 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
1977 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
1976 | or eax, eax |
1978 | or eax, eax |
1977 | jz .nomem |
1979 | jz .nomem |
1978 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
1980 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
1979 | 1981 | ||
1980 | ; zero-initialize allocated memory |
1982 | ; zero-initialize allocated memory |
1981 | push eax |
1983 | push eax |
1982 | mov edi, eax |
1984 | mov edi, eax |
1983 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
1985 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
1984 | xor eax, eax |
1986 | xor eax, eax |
1985 | rep stosd |
1987 | rep stosd |
1986 | pop eax |
1988 | pop eax |
1987 | 1989 | ||
1988 | ; set send-and receive procedures to return -1 |
1990 | ; set send-and receive procedures to return -1 |
1989 | mov [eax + SOCKET.snd_proc], .not_yet |
1991 | mov [eax + SOCKET.snd_proc], .not_yet |
1990 | mov [eax + SOCKET.rcv_proc], .not_yet |
1992 | mov [eax + SOCKET.rcv_proc], .not_yet |
1991 | 1993 | ||
1992 | pusha |
1994 | pusha |
1993 | mov ecx, socket_mutex |
1995 | mov ecx, socket_mutex |
1994 | call mutex_lock |
1996 | call mutex_lock |
1995 | popa |
1997 | popa |
1996 | 1998 | ||
1997 | ; find first free socket number and use it |
1999 | ; find first free socket number and use it |
1998 | mov edi, [last_socket_num] |
2000 | mov edi, [last_socket_num] |
1999 | .next_socket_number: |
2001 | .next_socket_number: |
2000 | inc edi |
2002 | inc edi |
2001 | jz .next_socket_number ; avoid socket nr 0 |
2003 | jz .next_socket_number ; avoid socket nr 0 |
2002 | cmp edi, -1 |
2004 | cmp edi, -1 |
2003 | je .next_socket_number ; avoid socket nr -1 |
2005 | je .next_socket_number ; avoid socket nr -1 |
2004 | mov ebx, net_sockets |
2006 | mov ebx, net_sockets |
2005 | .next_socket: |
2007 | .next_socket: |
2006 | mov ebx, [ebx + SOCKET.NextPtr] |
2008 | mov ebx, [ebx + SOCKET.NextPtr] |
2007 | test ebx, ebx |
2009 | test ebx, ebx |
2008 | jz .last_socket |
2010 | jz .last_socket |
2009 | 2011 | ||
2010 | cmp [ebx + SOCKET.Number], edi |
2012 | cmp [ebx + SOCKET.Number], edi |
2011 | jne .next_socket |
2013 | jne .next_socket |
2012 | jmp .next_socket_number |
2014 | jmp .next_socket_number |
2013 | 2015 | ||
2014 | .last_socket: |
2016 | .last_socket: |
2015 | mov [last_socket_num], edi |
2017 | mov [last_socket_num], edi |
2016 | mov [eax + SOCKET.Number], edi |
2018 | mov [eax + SOCKET.Number], edi |
2017 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
2019 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
2018 | 2020 | ||
2019 | ; Fill in PID |
2021 | ; Fill in PID |
2020 | mov ebx, [current_slot] |
2022 | mov ebx, [current_slot] |
2021 | mov ebx, [ebx + APPDATA.tid] |
2023 | mov ebx, [ebx + APPDATA.tid] |
2022 | mov [eax + SOCKET.PID], ebx |
2024 | mov [eax + SOCKET.PID], ebx |
2023 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
2025 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
2024 | 2026 | ||
2025 | ; init mutex |
2027 | ; init mutex |
2026 | pusha |
2028 | pusha |
2027 | lea ecx, [eax + SOCKET.mutex] |
2029 | lea ecx, [eax + SOCKET.mutex] |
2028 | call mutex_init |
2030 | call mutex_init |
2029 | popa |
2031 | popa |
2030 | 2032 | ||
2031 | ; add socket to the list by re-arranging some pointers |
2033 | ; add socket to the list by re-arranging some pointers |
2032 | mov ebx, [net_sockets + SOCKET.NextPtr] |
2034 | mov ebx, [net_sockets + SOCKET.NextPtr] |
2033 | 2035 | ||
2034 | mov [eax + SOCKET.PrevPtr], net_sockets |
2036 | mov [eax + SOCKET.PrevPtr], net_sockets |
2035 | mov [eax + SOCKET.NextPtr], ebx |
2037 | mov [eax + SOCKET.NextPtr], ebx |
2036 | 2038 | ||
2037 | test ebx, ebx |
2039 | test ebx, ebx |
2038 | jz @f |
2040 | jz @f |
2039 | 2041 | ||
2040 | pusha |
2042 | pusha |
2041 | lea ecx, [ebx + SOCKET.mutex] |
2043 | lea ecx, [ebx + SOCKET.mutex] |
2042 | call mutex_lock |
2044 | call mutex_lock |
2043 | popa |
2045 | popa |
2044 | 2046 | ||
2045 | mov [ebx + SOCKET.PrevPtr], eax |
2047 | mov [ebx + SOCKET.PrevPtr], eax |
2046 | 2048 | ||
2047 | pusha |
2049 | pusha |
2048 | lea ecx, [ebx + SOCKET.mutex] |
2050 | lea ecx, [ebx + SOCKET.mutex] |
2049 | call mutex_unlock |
2051 | call mutex_unlock |
2050 | popa |
2052 | popa |
2051 | @@: |
2053 | @@: |
2052 | 2054 | ||
2053 | mov [net_sockets + SOCKET.NextPtr], eax |
2055 | mov [net_sockets + SOCKET.NextPtr], eax |
2054 | 2056 | ||
2055 | pusha |
2057 | pusha |
2056 | mov ecx, socket_mutex |
2058 | mov ecx, socket_mutex |
2057 | call mutex_unlock |
2059 | call mutex_unlock |
2058 | popa |
2060 | popa |
2059 | pop ebx |
2061 | pop ebx |
2060 | 2062 | ||
2061 | ret |
2063 | ret |
2062 | 2064 | ||
2063 | .nomem: |
2065 | .nomem: |
2064 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
2066 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
2065 | pop ebx |
2067 | pop ebx |
2066 | ret |
2068 | ret |
2067 | 2069 | ||
2068 | .not_yet: |
2070 | .not_yet: |
2069 | mov dword[esp+20], ENOTCONN |
2071 | mov dword[esp+20], ENOTCONN |
2070 | mov dword[esp+32], -1 |
2072 | mov dword[esp+32], -1 |
2071 | ret |
2073 | ret |
2072 | 2074 | ||
2073 | 2075 | ||
2074 | ;-----------------------------------------------------------------; |
2076 | ;-----------------------------------------------------------------; |
2075 | ; ; |
2077 | ; ; |
2076 | ; socket_free: Free socket data memory and remove socket from ; |
2078 | ; socket_free: Free socket data memory and remove socket from ; |
2077 | ; the list. Caller should lock and unlock socket_mutex. ; |
2079 | ; the list. Caller should lock and unlock socket_mutex. ; |
2078 | ; ; |
2080 | ; ; |
2079 | ; IN: eax = socket ptr ; |
2081 | ; IN: eax = socket ptr ; |
2080 | ; ; |
2082 | ; ; |
2081 | ; OUT: / ; |
2083 | ; OUT: / ; |
2082 | ; ; |
2084 | ; ; |
2083 | ;-----------------------------------------------------------------; |
2085 | ;-----------------------------------------------------------------; |
2084 | align 4 |
2086 | align 4 |
2085 | socket_free: |
2087 | socket_free: |
2086 | 2088 | ||
2087 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
2089 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
2088 | 2090 | ||
2089 | call socket_check |
2091 | call socket_check |
2090 | jz .error |
2092 | jz .error |
2091 | 2093 | ||
2092 | push ebx |
2094 | push ebx |
2093 | 2095 | ||
2094 | pusha |
2096 | pusha |
2095 | lea ecx, [eax + SOCKET.mutex] |
2097 | lea ecx, [eax + SOCKET.mutex] |
2096 | call mutex_lock |
2098 | call mutex_lock |
2097 | popa |
2099 | popa |
2098 | 2100 | ||
2099 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2101 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2100 | jne .no_stream |
2102 | jne .no_stream |
2101 | 2103 | ||
2102 | mov ebx, eax |
2104 | mov ebx, eax |
2103 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2105 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2104 | je @f |
2106 | je @f |
2105 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
2107 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
2106 | @@: |
2108 | @@: |
2107 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
2109 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
2108 | je @f |
2110 | je @f |
2109 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
2111 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
2110 | @@: |
2112 | @@: |
2111 | mov eax, ebx |
2113 | mov eax, ebx |
2112 | .no_stream: |
2114 | .no_stream: |
2113 | 2115 | ||
2114 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
2116 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
2115 | push eax ; this will be passed to kernel_free |
2117 | push eax ; this will be passed to kernel_free |
2116 | mov ebx, [eax + SOCKET.NextPtr] |
2118 | mov ebx, [eax + SOCKET.NextPtr] |
2117 | mov eax, [eax + SOCKET.PrevPtr] |
2119 | mov eax, [eax + SOCKET.PrevPtr] |
2118 | 2120 | ||
2119 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
2121 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
2120 | 2122 | ||
2121 | test eax, eax |
2123 | test eax, eax |
2122 | jz @f |
2124 | jz @f |
2123 | mov [eax + SOCKET.NextPtr], ebx |
2125 | mov [eax + SOCKET.NextPtr], ebx |
2124 | @@: |
2126 | @@: |
2125 | 2127 | ||
2126 | test ebx, ebx |
2128 | test ebx, ebx |
2127 | jz @f |
2129 | jz @f |
2128 | mov [ebx + SOCKET.PrevPtr], eax |
2130 | mov [ebx + SOCKET.PrevPtr], eax |
2129 | @@: |
2131 | @@: |
2130 | 2132 | ||
2131 | call kernel_free |
2133 | call kernel_free |
2132 | pop ebx |
2134 | pop ebx |
2133 | 2135 | ||
2134 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2136 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2135 | 2137 | ||
2136 | .error: |
2138 | .error: |
2137 | ret |
2139 | ret |
2138 | 2140 | ||
2139 | .error1: |
2141 | .error1: |
2140 | pop ebx |
2142 | pop ebx |
2141 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
2143 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
2142 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2144 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2143 | ret |
2145 | ret |
2144 | 2146 | ||
2145 | ;-----------------------------------------------------------------; |
2147 | ;-----------------------------------------------------------------; |
2146 | ; ; |
2148 | ; ; |
2147 | ; socket_fork: Create a child socket. ; |
2149 | ; socket_fork: Create a child socket. ; |
2148 | ; ; |
2150 | ; ; |
2149 | ; IN: ebx = socket number ; |
2151 | ; IN: ebx = socket number ; |
2150 | ; ; |
2152 | ; ; |
2151 | ; OUT: eax = child socket number on success ; |
2153 | ; OUT: eax = child socket number on success ; |
2152 | ; eax = 0 on error ; |
2154 | ; eax = 0 on error ; |
2153 | ; ; |
2155 | ; ; |
2154 | ;-----------------------------------------------------------------; |
2156 | ;-----------------------------------------------------------------; |
2155 | align 4 |
2157 | align 4 |
2156 | socket_fork: |
2158 | socket_fork: |
2157 | 2159 | ||
2158 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
2160 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
2159 | 2161 | ||
2160 | ; Exit if backlog queue is full |
2162 | ; Exit if backlog queue is full |
2161 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
2163 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
2162 | cmp ax, [ebx + SOCKET.backlog] |
2164 | cmp ax, [ebx + SOCKET.backlog] |
2163 | jae .fail |
2165 | jae .fail |
2164 | 2166 | ||
2165 | ; Allocate new socket |
2167 | ; Allocate new socket |
2166 | push ebx |
2168 | push ebx |
2167 | call socket_alloc |
2169 | call socket_alloc |
2168 | pop ebx |
2170 | pop ebx |
2169 | test eax, eax |
2171 | test eax, eax |
2170 | jz .fail |
2172 | jz .fail |
2171 | 2173 | ||
2172 | push eax |
2174 | push eax |
2173 | mov esi, esp |
2175 | mov esi, esp |
2174 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
2176 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
2175 | pop eax |
2177 | pop eax |
2176 | 2178 | ||
2177 | ; Copy structure from current socket to new |
2179 | ; Copy structure from current socket to new |
2178 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2180 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2179 | ; TID will be filled in later |
2181 | ; TID will be filled in later |
2180 | lea esi, [ebx + SOCKET.PID] |
2182 | lea esi, [ebx + SOCKET.PID] |
2181 | lea edi, [eax + SOCKET.PID] |
2183 | lea edi, [eax + SOCKET.PID] |
2182 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
2184 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
2183 | rep movsd |
2185 | rep movsd |
2184 | 2186 | ||
2185 | and [eax + SOCKET.options], not SO_ACCEPTCON |
2187 | and [eax + SOCKET.options], not SO_ACCEPTCON |
2186 | 2188 | ||
2187 | ; Notify owner of parent socket |
2189 | ; Notify owner of parent socket |
2188 | push eax |
2190 | push eax |
2189 | mov eax, ebx |
2191 | mov eax, ebx |
2190 | call socket_notify |
2192 | call socket_notify |
2191 | pop eax |
2193 | pop eax |
2192 | 2194 | ||
2193 | ret |
2195 | ret |
2194 | 2196 | ||
2195 | .fail2: |
2197 | .fail2: |
2196 | add esp, 4+4+4 |
2198 | add esp, 4+4+4 |
2197 | .fail: |
2199 | .fail: |
2198 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
2200 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
2199 | xor eax, eax |
2201 | xor eax, eax |
2200 | ret |
2202 | ret |
2201 | 2203 | ||
2202 | 2204 | ||
2203 | ;-----------------------------------------------------------------; |
2205 | ;-----------------------------------------------------------------; |
2204 | ; ; |
2206 | ; ; |
2205 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
2207 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
2206 | ; ; |
2208 | ; ; |
2207 | ; IN: ecx = socket number ; |
2209 | ; IN: ecx = socket number ; |
2208 | ; ; |
2210 | ; ; |
2209 | ; OUT: eax = socket ptr ; |
2211 | ; OUT: eax = socket ptr ; |
2210 | ; eax = 0 on error ; |
2212 | ; eax = 0 on error ; |
2211 | ; ; |
2213 | ; ; |
2212 | ;-----------------------------------------------------------------; |
2214 | ;-----------------------------------------------------------------; |
2213 | align 4 |
2215 | align 4 |
2214 | socket_num_to_ptr: |
2216 | socket_num_to_ptr: |
2215 | 2217 | ||
2216 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
2218 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
2217 | 2219 | ||
2218 | pusha |
2220 | pusha |
2219 | mov ecx, socket_mutex |
2221 | mov ecx, socket_mutex |
2220 | call mutex_lock |
2222 | call mutex_lock |
2221 | popa |
2223 | popa |
2222 | 2224 | ||
2223 | mov eax, net_sockets |
2225 | mov eax, net_sockets |
2224 | .next_socket: |
2226 | .next_socket: |
2225 | mov eax, [eax + SOCKET.NextPtr] |
2227 | mov eax, [eax + SOCKET.NextPtr] |
2226 | test eax, eax |
2228 | test eax, eax |
2227 | jz .error |
2229 | jz .error |
2228 | cmp [eax + SOCKET.Number], ecx |
2230 | cmp [eax + SOCKET.Number], ecx |
2229 | jne .next_socket |
2231 | jne .next_socket |
2230 | 2232 | ||
2231 | pusha |
2233 | pusha |
2232 | mov ecx, socket_mutex |
2234 | mov ecx, socket_mutex |
2233 | call mutex_unlock |
2235 | call mutex_unlock |
2234 | popa |
2236 | popa |
2235 | 2237 | ||
2236 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
2238 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
2237 | ret |
2239 | ret |
2238 | 2240 | ||
2239 | .error: |
2241 | .error: |
2240 | pusha |
2242 | pusha |
2241 | mov ecx, socket_mutex |
2243 | mov ecx, socket_mutex |
2242 | call mutex_unlock |
2244 | call mutex_unlock |
2243 | popa |
2245 | popa |
2244 | 2246 | ||
2245 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2247 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2246 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
2248 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
2247 | ret |
2249 | ret |
2248 | 2250 | ||
2249 | 2251 | ||
2250 | ;-----------------------------------------------------------------; |
2252 | ;-----------------------------------------------------------------; |
2251 | ; ; |
2253 | ; ; |
2252 | ; socket_ptr_to_num: Get socket number by its address. ; |
2254 | ; socket_ptr_to_num: Get socket number by its address. ; |
2253 | ; ; |
2255 | ; ; |
2254 | ; IN: eax = socket ptr ; |
2256 | ; IN: eax = socket ptr ; |
2255 | ; ; |
2257 | ; ; |
2256 | ; OUT: eax = socket number ; |
2258 | ; OUT: eax = socket number ; |
2257 | ; eax = 0 on error ; |
2259 | ; eax = 0 on error ; |
2258 | ; ZF = set on error ; |
2260 | ; ZF = set on error ; |
2259 | ; ; |
2261 | ; ; |
2260 | ;-----------------------------------------------------------------; |
2262 | ;-----------------------------------------------------------------; |
2261 | align 4 |
2263 | align 4 |
2262 | socket_ptr_to_num: |
2264 | socket_ptr_to_num: |
2263 | 2265 | ||
2264 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
2266 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
2265 | 2267 | ||
2266 | call socket_check |
2268 | call socket_check |
2267 | jz .error |
2269 | jz .error |
2268 | 2270 | ||
2269 | mov eax, [eax + SOCKET.Number] |
2271 | mov eax, [eax + SOCKET.Number] |
2270 | 2272 | ||
2271 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
2273 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
2272 | ret |
2274 | ret |
2273 | 2275 | ||
2274 | .error: |
2276 | .error: |
2275 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
2277 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
2276 | ret |
2278 | ret |
2277 | 2279 | ||
2278 | 2280 | ||
2279 | ;-----------------------------------------------------------------; |
2281 | ;-----------------------------------------------------------------; |
2280 | ; ; |
2282 | ; ; |
2281 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
2283 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
2282 | ; ; |
2284 | ; ; |
2283 | ; IN: eax = socket ptr ; |
2285 | ; IN: eax = socket ptr ; |
2284 | ; ; |
2286 | ; ; |
2285 | ; OUT: eax = 0 on error ; |
2287 | ; OUT: eax = 0 on error ; |
2286 | ; ZF = set on error ; |
2288 | ; ZF = set on error ; |
2287 | ; ; |
2289 | ; ; |
2288 | ;-----------------------------------------------------------------; |
2290 | ;-----------------------------------------------------------------; |
2289 | align 4 |
2291 | align 4 |
2290 | socket_check: |
2292 | socket_check: |
2291 | 2293 | ||
2292 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
2294 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
2293 | 2295 | ||
2294 | test eax, eax |
2296 | test eax, eax |
2295 | jz .error |
2297 | jz .error |
2296 | push ebx |
2298 | push ebx |
2297 | mov ebx, net_sockets |
2299 | mov ebx, net_sockets |
2298 | 2300 | ||
2299 | .next_socket: |
2301 | .next_socket: |
2300 | mov ebx, [ebx + SOCKET.NextPtr] |
2302 | mov ebx, [ebx + SOCKET.NextPtr] |
2301 | or ebx, ebx |
2303 | or ebx, ebx |
2302 | jz .done |
2304 | jz .done |
2303 | cmp ebx, eax |
2305 | cmp ebx, eax |
2304 | jnz .next_socket |
2306 | jnz .next_socket |
2305 | 2307 | ||
2306 | .done: |
2308 | .done: |
2307 | mov eax, ebx |
2309 | mov eax, ebx |
2308 | test eax, eax |
2310 | test eax, eax |
2309 | pop ebx |
2311 | pop ebx |
2310 | ret |
2312 | ret |
2311 | 2313 | ||
2312 | .error: |
2314 | .error: |
2313 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
2315 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
2314 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
2316 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
2315 | ret |
2317 | ret |
2316 | 2318 | ||
2317 | 2319 | ||
2318 | 2320 | ||
2319 | ;-----------------------------------------------------------------; |
2321 | ;-----------------------------------------------------------------; |
2320 | ; ; |
2322 | ; ; |
2321 | ; socket_check_owner: Check if the caller app owns the socket. ; |
2323 | ; socket_check_owner: Check if the caller app owns the socket. ; |
2322 | ; ; |
2324 | ; ; |
2323 | ; IN: eax = socket ptr ; |
2325 | ; IN: eax = socket ptr ; |
2324 | ; ; |
2326 | ; ; |
2325 | ; OUT: ZF = true/false ; |
2327 | ; OUT: ZF = true/false ; |
2326 | ; ; |
2328 | ; ; |
2327 | ;-----------------------------------------------------------------; |
2329 | ;-----------------------------------------------------------------; |
2328 | align 4 |
2330 | align 4 |
2329 | socket_check_owner: |
2331 | socket_check_owner: |
2330 | 2332 | ||
2331 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
2333 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
2332 | 2334 | ||
2333 | push ebx |
2335 | push ebx |
2334 | mov ebx, [current_slot] |
2336 | mov ebx, [current_slot] |
2335 | mov ebx, [ebx + APPDATA.tid] |
2337 | mov ebx, [ebx + APPDATA.tid] |
2336 | cmp [eax + SOCKET.PID], ebx |
2338 | cmp [eax + SOCKET.PID], ebx |
2337 | pop ebx |
2339 | pop ebx |
2338 | 2340 | ||
2339 | ret |
2341 | ret |
2340 | 2342 | ||
2341 | 2343 | ||
2342 | 2344 | ||
2343 | 2345 | ||
2344 | ;-----------------------------------------------------------------; |
2346 | ;-----------------------------------------------------------------; |
2345 | ; ; |
2347 | ; ; |
2346 | ; socket_process_end: Kernel calls this function when a certain ; |
2348 | ; socket_process_end: Kernel calls this function when a certain ; |
2347 | ; process ends. This function will check if the process had any ; |
2349 | ; process ends. This function will check if the process had any ; |
2348 | ; open sockets and update them accordingly (clean up). ; |
2350 | ; open sockets and update them accordingly (clean up). ; |
2349 | ; ; |
2351 | ; ; |
2350 | ; IN: edx = pid ; |
2352 | ; IN: edx = pid ; |
2351 | ; ; |
2353 | ; ; |
2352 | ; OUT: / ; |
2354 | ; OUT: / ; |
2353 | ; ; |
2355 | ; ; |
2354 | ;-----------------------------------------------------------------; |
2356 | ;-----------------------------------------------------------------; |
2355 | align 4 |
2357 | align 4 |
2356 | socket_process_end: |
2358 | socket_process_end: |
2357 | 2359 | ||
2358 | ret ; FIXME |
2360 | ret ; FIXME |
2359 | 2361 | ||
2360 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2362 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2361 | je .quickret ; nope, exit immediately |
2363 | je .quickret ; nope, exit immediately |
2362 | 2364 | ||
2363 | ; TODO: run the following code in another thread, to avoid deadlock |
2365 | ; TODO: run the following code in another thread, to avoid deadlock |
2364 | 2366 | ||
2365 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
2367 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
2366 | 2368 | ||
2367 | pusha |
2369 | pusha |
2368 | mov ecx, socket_mutex |
2370 | mov ecx, socket_mutex |
2369 | call mutex_lock |
2371 | call mutex_lock |
2370 | popa |
2372 | popa |
2371 | 2373 | ||
2372 | push ebx |
2374 | push ebx |
2373 | mov ebx, net_sockets |
2375 | mov ebx, net_sockets |
2374 | 2376 | ||
2375 | .next_socket: |
2377 | .next_socket: |
2376 | mov ebx, [ebx + SOCKET.NextPtr] |
2378 | mov ebx, [ebx + SOCKET.NextPtr] |
2377 | .next_socket_test: |
2379 | .next_socket_test: |
2378 | test ebx, ebx |
2380 | test ebx, ebx |
2379 | jz .done |
2381 | jz .done |
2380 | 2382 | ||
2381 | cmp [ebx + SOCKET.PID], edx |
2383 | cmp [ebx + SOCKET.PID], edx |
2382 | jne .next_socket |
2384 | jne .next_socket |
2383 | 2385 | ||
2384 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
2386 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
2385 | 2387 | ||
2386 | mov [ebx + SOCKET.PID], 0 |
2388 | mov [ebx + SOCKET.PID], 0 |
2387 | mov eax, ebx |
2389 | mov eax, ebx |
2388 | mov ebx, [ebx + SOCKET.NextPtr] |
2390 | mov ebx, [ebx + SOCKET.NextPtr] |
2389 | 2391 | ||
2390 | pusha |
2392 | pusha |
2391 | cmp [eax + SOCKET.Domain], AF_INET4 |
2393 | cmp [eax + SOCKET.Domain], AF_INET4 |
2392 | jne .free |
2394 | jne .free |
2393 | 2395 | ||
2394 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
2396 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
2395 | jne .free |
2397 | jne .free |
2396 | 2398 | ||
2397 | call tcp_disconnect |
2399 | call tcp_disconnect |
2398 | jmp .closed |
2400 | jmp .closed |
2399 | 2401 | ||
2400 | .free: |
2402 | .free: |
2401 | call socket_free |
2403 | call socket_free |
2402 | 2404 | ||
2403 | .closed: |
2405 | .closed: |
2404 | popa |
2406 | popa |
2405 | jmp .next_socket_test |
2407 | jmp .next_socket_test |
2406 | 2408 | ||
2407 | .done: |
2409 | .done: |
2408 | pop ebx |
2410 | pop ebx |
2409 | 2411 | ||
2410 | pusha |
2412 | pusha |
2411 | mov ecx, socket_mutex |
2413 | mov ecx, socket_mutex |
2412 | call mutex_unlock |
2414 | call mutex_unlock |
2413 | popa |
2415 | popa |
2414 | 2416 | ||
2415 | .quickret: |
2417 | .quickret: |
2416 | ret |
2418 | ret |
2417 | 2419 | ||
2418 | 2420 | ||
2419 | 2421 | ||
2420 | 2422 | ||
2421 | ;-----------------------------------------------------------------; |
2423 | ;-----------------------------------------------------------------; |
2422 | ; ; |
2424 | ; ; |
2423 | ; socket_is_connecting: Update socket state. ; |
2425 | ; socket_is_connecting: Update socket state. ; |
2424 | ; ; |
2426 | ; ; |
2425 | ; IN: eax = socket ptr ; |
2427 | ; IN: eax = socket ptr ; |
2426 | ; ; |
2428 | ; ; |
2427 | ; OUT: / ; |
2429 | ; OUT: / ; |
2428 | ; ; |
2430 | ; ; |
2429 | ;-----------------------------------------------------------------; |
2431 | ;-----------------------------------------------------------------; |
2430 | align 4 |
2432 | align 4 |
2431 | socket_is_connecting: |
2433 | socket_is_connecting: |
2432 | 2434 | ||
2433 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
2435 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
2434 | 2436 | ||
2435 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2437 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2436 | or [eax + SOCKET.state], SS_ISCONNECTING |
2438 | or [eax + SOCKET.state], SS_ISCONNECTING |
2437 | ret |
2439 | ret |
2438 | 2440 | ||
2439 | 2441 | ||
2440 | 2442 | ||
2441 | ;-----------------------------------------------------------------; |
2443 | ;-----------------------------------------------------------------; |
2442 | ; ; |
2444 | ; ; |
2443 | ; socket_is_connected: Update socket state. ; |
2445 | ; socket_is_connected: Update socket state. ; |
2444 | ; ; |
2446 | ; ; |
2445 | ; IN: eax = socket ptr ; |
2447 | ; IN: eax = socket ptr ; |
2446 | ; ; |
2448 | ; ; |
2447 | ; OUT: / ; |
2449 | ; OUT: / ; |
2448 | ; ; |
2450 | ; ; |
2449 | ;-----------------------------------------------------------------; |
2451 | ;-----------------------------------------------------------------; |
2450 | align 4 |
2452 | align 4 |
2451 | socket_is_connected: |
2453 | socket_is_connected: |
2452 | 2454 | ||
2453 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
2455 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
2454 | 2456 | ||
2455 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2457 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2456 | or [eax + SOCKET.state], SS_ISCONNECTED |
2458 | or [eax + SOCKET.state], SS_ISCONNECTED |
2457 | jmp socket_notify |
2459 | jmp socket_notify |
2458 | 2460 | ||
2459 | 2461 | ||
2460 | 2462 | ||
2461 | 2463 | ||
2462 | ;-----------------------------------------------------------------; |
2464 | ;-----------------------------------------------------------------; |
2463 | ; ; |
2465 | ; ; |
2464 | ; socket_is_disconnecting: Update socket state. ; |
2466 | ; socket_is_disconnecting: Update socket state. ; |
2465 | ; ; |
2467 | ; ; |
2466 | ; IN: eax = socket ptr ; |
2468 | ; IN: eax = socket ptr ; |
2467 | ; ; |
2469 | ; ; |
2468 | ; OUT: / ; |
2470 | ; OUT: / ; |
2469 | ; ; |
2471 | ; ; |
2470 | ;-----------------------------------------------------------------; |
2472 | ;-----------------------------------------------------------------; |
2471 | align 4 |
2473 | align 4 |
2472 | socket_is_disconnecting: |
2474 | socket_is_disconnecting: |
2473 | 2475 | ||
2474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
2476 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
2475 | 2477 | ||
2476 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2478 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2477 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
2479 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
2478 | jmp socket_notify |
2480 | jmp socket_notify |
2479 | 2481 | ||
2480 | 2482 | ||
2481 | 2483 | ||
2482 | ;-----------------------------------------------------------------; |
2484 | ;-----------------------------------------------------------------; |
2483 | ; ; |
2485 | ; ; |
2484 | ; socket_is_disconnected: Update socket state. ; |
2486 | ; socket_is_disconnected: Update socket state. ; |
2485 | ; ; |
2487 | ; ; |
2486 | ; IN: eax = socket ptr ; |
2488 | ; IN: eax = socket ptr ; |
2487 | ; ; |
2489 | ; ; |
2488 | ; OUT: / ; |
2490 | ; OUT: / ; |
2489 | ; ; |
2491 | ; ; |
2490 | ;-----------------------------------------------------------------; |
2492 | ;-----------------------------------------------------------------; |
2491 | align 4 |
2493 | align 4 |
2492 | socket_is_disconnected: |
2494 | socket_is_disconnected: |
2493 | 2495 | ||
2494 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
2496 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
2495 | 2497 | ||
2496 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2498 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2497 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
2499 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
2498 | jmp socket_notify |
2500 | jmp socket_notify |
2499 | 2501 | ||
2500 | 2502 | ||
2501 | 2503 | ||
2502 | ;-----------------------------------------------------------------; |
2504 | ;-----------------------------------------------------------------; |
2503 | ; ; |
2505 | ; ; |
2504 | ; socket_cant_recv_more: Update socket state. ; |
2506 | ; socket_cant_recv_more: Update socket state. ; |
2505 | ; ; |
2507 | ; ; |
2506 | ; IN: eax = socket ptr ; |
2508 | ; IN: eax = socket ptr ; |
2507 | ; ; |
2509 | ; ; |
2508 | ; OUT: / ; |
2510 | ; OUT: / ; |
2509 | ; ; |
2511 | ; ; |
2510 | ;-----------------------------------------------------------------; |
2512 | ;-----------------------------------------------------------------; |
2511 | align 4 |
2513 | align 4 |
2512 | socket_cant_recv_more: |
2514 | socket_cant_recv_more: |
2513 | 2515 | ||
2514 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
2516 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
2515 | 2517 | ||
2516 | or [eax + SOCKET.state], SS_CANTRCVMORE |
2518 | or [eax + SOCKET.state], SS_CANTRCVMORE |
2517 | jmp socket_notify |
2519 | jmp socket_notify |
2518 | 2520 | ||
2519 | 2521 | ||
2520 | 2522 | ||
2521 | ;-----------------------------------------------------------------; |
2523 | ;-----------------------------------------------------------------; |
2522 | ; ; |
2524 | ; ; |
2523 | ; socket_cant_send_more: Update socket state. ; |
2525 | ; socket_cant_send_more: Update socket state. ; |
2524 | ; ; |
2526 | ; ; |
2525 | ; IN: eax = socket ptr ; |
2527 | ; IN: eax = socket ptr ; |
2526 | ; ; |
2528 | ; ; |
2527 | ; OUT: / ; |
2529 | ; OUT: / ; |
2528 | ; ; |
2530 | ; ; |
2529 | ;-----------------------------------------------------------------; |
2531 | ;-----------------------------------------------------------------; |
2530 | align 4 |
2532 | align 4 |
2531 | socket_cant_send_more: |
2533 | socket_cant_send_more: |
2532 | 2534 | ||
2533 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
2535 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
2534 | 2536 | ||
2535 | or [eax + SOCKET.state], SS_CANTSENDMORE |
2537 | or [eax + SOCKET.state], SS_CANTSENDMORE |
2536 | mov [eax + SOCKET.snd_proc], .notconn |
2538 | mov [eax + SOCKET.snd_proc], .notconn |
2537 | jmp socket_notify |
2539 | jmp socket_notify |
2538 | 2540 | ||
2539 | .notconn: |
2541 | .notconn: |
2540 | mov dword[esp + SYSCALL_STACK.ebx], ENOTCONN |
2542 | mov dword[esp + SYSCALL_STACK.ebx], ENOTCONN |
2541 | mov dword[esp + SYSCALL_STACK.eax], -1 |
2543 | mov dword[esp + SYSCALL_STACK.eax], -1 |
2542 | ret |
2544 | ret |