Rev 7974 | Rev 8027 | Go to most recent revision | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 7974 | Rev 8026 | ||
---|---|---|---|
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2020. 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: 7974 $ |
18 | $Revision: 8026 $ |
19 | 19 | ||
20 | struct SOCKET |
20 | struct SOCKET |
21 | 21 | ||
22 | NextPtr dd ? ; pointer to next socket in list |
22 | NextPtr dd ? ; pointer to next socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
24 | Number dd ? ; socket number |
24 | Number dd ? ; socket number |
25 | 25 | ||
26 | mutex MUTEX |
26 | mutex MUTEX |
27 | 27 | ||
28 | PID dd ? ; process ID |
28 | PID dd ? ; process ID |
29 | TID dd ? ; thread ID |
29 | TID dd ? ; thread ID |
30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
31 | Type dd ? ; RAW/STREAM/DGRAM |
31 | Type dd ? ; RAW/STREAM/DGRAM |
32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
33 | errorcode dd ? |
33 | errorcode dd ? |
34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
35 | 35 | ||
36 | options dd ? |
36 | options dd ? |
37 | state dd ? |
37 | state dd ? |
38 | backlog dw ? ; number of incoming connections that can be queued |
38 | backlog dw ? ; number of incoming connections that can be queued |
39 | 39 | ||
40 | snd_proc dd ? |
40 | snd_proc dd ? |
41 | rcv_proc dd ? |
41 | rcv_proc dd ? |
42 | connect_proc dd ? |
42 | connect_proc dd ? |
43 | 43 | ||
44 | ends |
44 | ends |
45 | 45 | ||
46 | struct IP_SOCKET SOCKET |
46 | struct IP_SOCKET SOCKET |
47 | 47 | ||
48 | LocalIP rd 4 ; network byte order |
48 | LocalIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
50 | ttl db ? |
50 | ttl db ? |
51 | rb 3 ; align |
51 | rb 3 ; align |
52 | 52 | ||
53 | ends |
53 | ends |
54 | 54 | ||
55 | struct TCP_SOCKET IP_SOCKET |
55 | struct TCP_SOCKET IP_SOCKET |
56 | 56 | ||
57 | LocalPort dw ? ; network byte order |
57 | LocalPort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
59 | 59 | ||
60 | t_state dd ? ; TCB state |
60 | t_state dd ? ; TCB state |
61 | t_rxtshift db ? |
61 | t_rxtshift db ? |
62 | rb 3 ; align |
62 | rb 3 ; align |
63 | t_rxtcur dd ? |
63 | t_rxtcur dd ? |
64 | t_dupacks dd ? |
64 | t_dupacks dd ? |
65 | t_maxseg dd ? |
65 | t_maxseg dd ? |
66 | t_flags dd ? |
66 | t_flags dd ? |
67 | 67 | ||
68 | ;--------------- |
68 | ;--------------- |
69 | ; RFC783 page 21 |
69 | ; RFC783 page 21 |
70 | 70 | ||
71 | ; send sequence |
71 | ; send sequence |
72 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
72 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
73 | SND_NXT dd ? ; next send sequence number to use |
73 | SND_NXT dd ? ; next send sequence number to use |
74 | SND_UP dd ? ; urgent pointer |
74 | SND_UP dd ? ; urgent pointer |
75 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
75 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
76 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
76 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
77 | ISS dd ? ; initial send sequence number |
77 | ISS dd ? ; initial send sequence number |
78 | SND_WND dd ? ; send window |
78 | SND_WND dd ? ; send window |
79 | 79 | ||
80 | ; receive sequence |
80 | ; receive sequence |
81 | RCV_WND dd ? ; receive window |
81 | RCV_WND dd ? ; receive window |
82 | RCV_NXT dd ? ; next receive sequence number to use |
82 | RCV_NXT dd ? ; next receive sequence number to use |
83 | RCV_UP dd ? ; urgent pointer |
83 | RCV_UP dd ? ; urgent pointer |
84 | IRS dd ? ; initial receive sequence number |
84 | IRS dd ? ; initial receive sequence number |
85 | 85 | ||
86 | ;--------------------- |
86 | ;--------------------- |
87 | ; Additional variables |
87 | ; Additional variables |
88 | 88 | ||
89 | ; receive variables |
89 | ; receive variables |
90 | RCV_ADV dd ? |
90 | RCV_ADV dd ? |
91 | 91 | ||
92 | ; retransmit variables |
92 | ; retransmit variables |
93 | SND_MAX dd ? |
93 | SND_MAX dd ? |
94 | 94 | ||
95 | ; congestion control |
95 | ; congestion control |
96 | SND_CWND dd ? ; congestion window |
96 | SND_CWND dd ? ; congestion window |
97 | SND_SSTHRESH dd ? ; slow start threshold |
97 | SND_SSTHRESH dd ? ; slow start threshold |
98 | 98 | ||
99 | ;---------------------- |
99 | ;---------------------- |
100 | ; Transmit timing stuff |
100 | ; Transmit timing stuff |
101 | t_idle dd ? |
101 | t_idle dd ? |
102 | t_rtt dd ? ; round trip time |
102 | t_rtt dd ? ; round trip time |
103 | t_rtseq dd ? |
103 | t_rtseq dd ? |
104 | t_srtt dd ? ; smoothed round trip time |
104 | t_srtt dd ? ; smoothed round trip time |
105 | t_rttvar dd ? |
105 | t_rttvar dd ? |
106 | t_rttmin dd ? |
106 | t_rttmin dd ? |
107 | max_sndwnd dd ? |
107 | max_sndwnd dd ? |
108 | 108 | ||
109 | ;----------------- |
109 | ;----------------- |
110 | ; Out-of-band data |
110 | ; Out-of-band data |
111 | t_oobflags dd ? |
111 | t_oobflags dd ? |
112 | t_iobc dd ? |
112 | t_iobc dd ? |
113 | t_softerror dd ? |
113 | t_softerror dd ? |
114 | 114 | ||
115 | 115 | ||
116 | ;--------- |
116 | ;--------- |
117 | ; RFC 1323 ; the order of next 4 elements may not change |
117 | ; RFC 1323 ; the order of next 4 elements may not change |
118 | 118 | ||
119 | SND_SCALE db ? |
119 | SND_SCALE db ? |
120 | RCV_SCALE db ? |
120 | RCV_SCALE db ? |
121 | requested_s_scale db ? |
121 | requested_s_scale db ? |
122 | request_r_scale db ? |
122 | request_r_scale db ? |
123 | 123 | ||
124 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
124 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
125 | ts_recent_age dd ? |
125 | ts_recent_age dd ? |
126 | last_ack_sent dd ? |
126 | last_ack_sent dd ? |
127 | 127 | ||
128 | 128 | ||
129 | ;------- |
129 | ;------- |
130 | ; Timers |
130 | ; Timers |
131 | timer_flags dd ? |
131 | timer_flags dd ? |
132 | timer_retransmission dd ? ; rexmt |
132 | timer_retransmission dd ? ; rexmt |
133 | timer_persist dd ? |
133 | timer_persist dd ? |
134 | timer_keepalive dd ? ; keepalive/syn timeout |
134 | timer_keepalive dd ? ; keepalive/syn timeout |
135 | timer_timed_wait dd ? ; also used as 2msl timer |
135 | timer_timed_wait dd ? ; also used as 2msl timer |
136 | timer_connect dd ? |
136 | timer_connect dd ? |
137 | 137 | ||
138 | ; extra |
138 | ; extra |
139 | 139 | ||
140 | ts_ecr dd ? ; timestamp echo reply |
140 | ts_ecr dd ? ; timestamp echo reply |
141 | ts_val dd ? |
141 | ts_val dd ? |
142 | 142 | ||
143 | seg_next dd ? ; re-assembly queue |
143 | seg_next dd ? ; re-assembly queue |
144 | 144 | ||
145 | ends |
145 | ends |
146 | 146 | ||
147 | struct UDP_SOCKET IP_SOCKET |
147 | struct UDP_SOCKET IP_SOCKET |
148 | 148 | ||
149 | LocalPort dw ? ; in network byte order |
149 | LocalPort dw ? ; in network byte order |
150 | RemotePort dw ? ; in network byte order |
150 | RemotePort dw ? ; in network byte order |
151 | 151 | ||
152 | ends |
152 | ends |
153 | 153 | ||
154 | struct RING_BUFFER |
154 | struct RING_BUFFER |
155 | 155 | ||
156 | mutex MUTEX |
156 | mutex MUTEX |
157 | start_ptr dd ? ; Pointer to start of buffer |
157 | start_ptr dd ? ; Pointer to start of buffer |
158 | end_ptr dd ? ; pointer to end of buffer |
158 | end_ptr dd ? ; pointer to end of buffer |
159 | read_ptr dd ? ; Read pointer |
159 | read_ptr dd ? ; Read pointer |
160 | write_ptr dd ? ; Write pointer |
160 | write_ptr dd ? ; Write pointer |
161 | size dd ? ; Number of bytes buffered |
161 | size dd ? ; Number of bytes buffered |
162 | 162 | ||
163 | ends |
163 | ends |
164 | 164 | ||
165 | struct STREAM_SOCKET TCP_SOCKET |
165 | struct STREAM_SOCKET TCP_SOCKET |
166 | 166 | ||
167 | rcv RING_BUFFER |
167 | rcv RING_BUFFER |
168 | snd RING_BUFFER |
168 | snd RING_BUFFER |
169 | 169 | ||
170 | ends |
170 | ends |
171 | 171 | ||
172 | struct socket_queue_entry |
172 | struct socket_queue_entry |
173 | 173 | ||
174 | data_ptr dd ? |
174 | data_ptr dd ? |
175 | data_size dd ? |
175 | data_size dd ? |
176 | buf_ptr dd ? |
176 | buf_ptr dd ? |
177 | 177 | ||
178 | ends |
178 | ends |
179 | 179 | ||
180 | struct socket_options |
180 | struct socket_options |
181 | 181 | ||
182 | level dd ? |
182 | level dd ? |
183 | optname dd ? |
183 | optname dd ? |
184 | optlen dd ? |
184 | optlen dd ? |
185 | optval dd ? |
185 | optval dd ? |
186 | 186 | ||
187 | ends |
187 | ends |
188 | 188 | ||
189 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
189 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
190 | 190 | ||
191 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
191 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
192 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
192 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
193 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
193 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
194 | 194 | ||
195 | uglobal |
195 | uglobal |
196 | align 4 |
196 | align 4 |
197 | 197 | ||
198 | net_sockets rd 4 |
198 | net_sockets rd 4 |
199 | last_socket_num dd ? |
199 | last_socket_num dd ? |
200 | last_UDP_port dw ? ; last used ephemeral port |
200 | last_UDP_port dw ? ; last used ephemeral port |
201 | last_TCP_port dw ? ; |
201 | last_TCP_port dw ? ; |
202 | socket_mutex MUTEX |
202 | socket_mutex MUTEX |
203 | 203 | ||
204 | endg |
204 | endg |
205 | 205 | ||
206 | 206 | ||
207 | ;-----------------------------------------------------------------; |
207 | ;-----------------------------------------------------------------; |
208 | ; ; |
208 | ; ; |
209 | ; socket_init ; |
209 | ; socket_init ; |
210 | ; ; |
210 | ; ; |
211 | ;-----------------------------------------------------------------; |
211 | ;-----------------------------------------------------------------; |
212 | macro socket_init { |
212 | macro socket_init { |
213 | 213 | ||
214 | xor eax, eax |
214 | xor eax, eax |
215 | mov edi, net_sockets |
215 | mov edi, net_sockets |
216 | mov ecx, 5 |
216 | mov ecx, 5 |
217 | rep stosd |
217 | rep stosd |
218 | 218 | ||
219 | @@: |
219 | @@: |
220 | pseudo_random eax |
220 | pseudo_random eax |
221 | cmp ax, EPHEMERAL_PORT_MIN |
221 | cmp ax, EPHEMERAL_PORT_MIN |
222 | jb @r |
222 | jb @r |
223 | cmp ax, EPHEMERAL_PORT_MAX |
223 | cmp ax, EPHEMERAL_PORT_MAX |
224 | ja @r |
224 | ja @r |
225 | xchg al, ah |
225 | xchg al, ah |
226 | mov [last_UDP_port], ax |
226 | mov [last_UDP_port], ax |
227 | 227 | ||
228 | @@: |
228 | @@: |
229 | pseudo_random eax |
229 | pseudo_random eax |
230 | cmp ax, EPHEMERAL_PORT_MIN |
230 | cmp ax, EPHEMERAL_PORT_MIN |
231 | jb @r |
231 | jb @r |
232 | cmp ax, EPHEMERAL_PORT_MAX |
232 | cmp ax, EPHEMERAL_PORT_MAX |
233 | ja @r |
233 | ja @r |
234 | xchg al, ah |
234 | xchg al, ah |
235 | mov [last_TCP_port], ax |
235 | mov [last_TCP_port], ax |
236 | 236 | ||
237 | mov ecx, socket_mutex |
237 | mov ecx, socket_mutex |
238 | call mutex_init |
238 | call mutex_init |
239 | 239 | ||
240 | } |
240 | } |
241 | 241 | ||
242 | ;-----------------------------------------------------------------; |
242 | ;-----------------------------------------------------------------; |
243 | ; ; |
243 | ; ; |
244 | ; Sockets API (system function 75) ; |
244 | ; Sockets API (system function 75) ; |
245 | ; ; |
245 | ; ; |
246 | ;-----------------------------------------------------------------; |
246 | ;-----------------------------------------------------------------; |
247 | align 4 |
247 | align 4 |
248 | sys_socket: |
248 | sys_socket: |
249 | 249 | ||
250 | mov dword[esp+20], 0 ; Set error code to 0 |
250 | mov dword[esp+20], 0 ; Set error code to 0 |
251 | 251 | ||
252 | cmp ebx, 255 |
252 | cmp ebx, 255 |
253 | jz socket_debug |
253 | jz socket_debug |
254 | 254 | ||
255 | cmp ebx, .number |
255 | cmp ebx, .number |
256 | ja .error |
256 | ja .error |
257 | jmp dword [.table + 4*ebx] |
257 | jmp dword [.table + 4*ebx] |
258 | 258 | ||
259 | .table: |
259 | .table: |
260 | dd socket_open ; 0 |
260 | dd socket_open ; 0 |
261 | dd socket_close ; 1 |
261 | dd socket_close ; 1 |
262 | dd socket_bind ; 2 |
262 | dd socket_bind ; 2 |
263 | dd socket_listen ; 3 |
263 | dd socket_listen ; 3 |
264 | dd socket_connect ; 4 |
264 | dd socket_connect ; 4 |
265 | dd socket_accept ; 5 |
265 | dd socket_accept ; 5 |
266 | dd socket_send ; 6 |
266 | dd socket_send ; 6 |
267 | dd socket_receive ; 7 |
267 | dd socket_receive ; 7 |
268 | dd socket_set_opt ; 8 |
268 | dd socket_set_opt ; 8 |
269 | dd socket_get_opt ; 9 |
269 | dd socket_get_opt ; 9 |
270 | dd socket_pair ; 10 |
270 | dd socket_pair ; 10 |
271 | .number = ($ - .table) / 4 - 1 |
271 | .number = ($ - .table) / 4 - 1 |
272 | 272 | ||
273 | .error: |
273 | .error: |
274 | mov dword[esp+32], -1 |
274 | mov dword[esp+32], -1 |
275 | mov dword[esp+20], EINVAL |
275 | mov dword[esp+20], EINVAL |
276 | 276 | ||
277 | ret |
277 | ret |
278 | 278 | ||
279 | ;-----------------------------------------------------------------; |
279 | ;-----------------------------------------------------------------; |
280 | ; ; |
280 | ; ; |
281 | ; socket_open: Create a new socket. ; |
281 | ; socket_open: Create a new socket. ; |
282 | ; ; |
282 | ; ; |
283 | ; IN: ecx = domain ; |
283 | ; IN: ecx = domain ; |
284 | ; edx = type ; |
284 | ; edx = type ; |
285 | ; esi = protocol ; |
285 | ; esi = protocol ; |
286 | ; ; |
286 | ; ; |
287 | ; OUT: eax = socket number ; |
287 | ; OUT: eax = socket number ; |
288 | ; eax = -1 on error ; |
288 | ; eax = -1 on error ; |
289 | ; ebx = errorcode on error ; |
289 | ; ebx = errorcode on error ; |
290 | ; ; |
290 | ; ; |
291 | ;-----------------------------------------------------------------; |
291 | ;-----------------------------------------------------------------; |
292 | align 4 |
292 | align 4 |
293 | socket_open: |
293 | socket_open: |
294 | 294 | ||
295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
296 | 296 | ||
297 | push ecx edx esi |
297 | push ecx edx esi |
298 | call socket_alloc |
298 | call socket_alloc |
299 | pop esi edx ecx |
299 | pop esi edx ecx |
300 | test eax, eax |
300 | test eax, eax |
301 | jz .nobuffs |
301 | jz .nobuffs |
302 | 302 | ||
303 | mov [esp+32], edi ; return socketnumber |
303 | mov [esp+32], edi ; return socketnumber |
304 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
304 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
305 | 305 | ||
306 | test edx, SO_NONBLOCK |
306 | test edx, SO_NONBLOCK |
307 | jz @f |
307 | jz @f |
308 | or [eax + SOCKET.options], SO_NONBLOCK |
308 | or [eax + SOCKET.options], SO_NONBLOCK |
309 | and edx, not SO_NONBLOCK |
309 | and edx, not SO_NONBLOCK |
310 | @@: |
310 | @@: |
311 | 311 | ||
312 | mov [eax + SOCKET.Domain], ecx |
312 | mov [eax + SOCKET.Domain], ecx |
313 | mov [eax + SOCKET.Type], edx |
313 | mov [eax + SOCKET.Type], edx |
314 | mov [eax + SOCKET.Protocol], esi |
314 | mov [eax + SOCKET.Protocol], esi |
315 | mov [eax + SOCKET.connect_proc], connect_notsupp |
315 | mov [eax + SOCKET.connect_proc], connect_notsupp |
316 | 316 | ||
317 | cmp ecx, AF_INET4 |
317 | cmp ecx, AF_INET4 |
318 | jne .no_inet4 |
318 | jne .no_inet4 |
319 | 319 | ||
320 | mov [eax + IP_SOCKET.ttl], 128 |
320 | mov [eax + IP_SOCKET.ttl], 128 |
321 | 321 | ||
322 | cmp edx, SOCK_DGRAM |
322 | cmp edx, SOCK_DGRAM |
323 | je .udp |
323 | je .udp |
324 | 324 | ||
325 | cmp edx, SOCK_STREAM |
325 | cmp edx, SOCK_STREAM |
326 | je .tcp |
326 | je .tcp |
327 | 327 | ||
328 | cmp edx, SOCK_RAW |
328 | cmp edx, SOCK_RAW |
329 | je .raw |
329 | je .raw |
330 | 330 | ||
331 | .no_inet4: |
331 | .no_inet4: |
332 | cmp ecx, AF_PPP |
332 | cmp ecx, AF_PPP |
333 | jne .no_ppp |
333 | jne .no_ppp |
334 | 334 | ||
335 | cmp esi, PPP_PROTO_ETHERNET |
335 | cmp esi, PPP_PROTO_ETHERNET |
336 | je .pppoe |
336 | je .pppoe |
337 | 337 | ||
338 | .no_ppp: |
338 | .no_ppp: |
339 | .unsupported: |
339 | .unsupported: |
340 | push eax |
340 | push eax |
341 | call socket_free |
341 | call socket_free |
342 | pop eax |
342 | pop eax |
343 | mov dword[esp+20], EOPNOTSUPP |
343 | mov dword[esp+20], EOPNOTSUPP |
344 | mov dword[esp+32], -1 |
344 | mov dword[esp+32], -1 |
345 | ret |
345 | ret |
346 | 346 | ||
347 | .nobuffs: |
347 | .nobuffs: |
348 | mov dword[esp+20], ENOBUFS |
348 | mov dword[esp+20], ENOBUFS |
349 | mov dword[esp+32], -1 |
349 | mov dword[esp+32], -1 |
350 | ret |
350 | ret |
351 | 351 | ||
352 | .raw: |
352 | .raw: |
353 | test esi, esi ; IP_PROTO_IP |
353 | test esi, esi ; IP_PROTO_IP |
354 | jz .raw_ip |
354 | jz .raw_ip |
355 | 355 | ||
356 | cmp esi, IP_PROTO_ICMP |
356 | cmp esi, IP_PROTO_ICMP |
357 | je .raw_icmp |
357 | je .raw_icmp |
358 | 358 | ||
359 | jmp .unsupported |
359 | jmp .unsupported |
360 | 360 | ||
361 | align 4 |
361 | align 4 |
362 | .udp: |
362 | .udp: |
363 | push eax |
363 | push eax |
364 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
364 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
365 | pop eax |
365 | pop eax |
366 | 366 | ||
367 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
367 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
368 | mov [eax + SOCKET.snd_proc], socket_send_udp |
368 | mov [eax + SOCKET.snd_proc], socket_send_udp |
369 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
369 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
370 | mov [eax + SOCKET.connect_proc], udp_connect |
370 | mov [eax + SOCKET.connect_proc], udp_connect |
371 | ret |
371 | ret |
372 | 372 | ||
373 | align 4 |
373 | align 4 |
374 | .tcp: |
374 | .tcp: |
375 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
375 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
376 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
376 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
377 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
377 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
378 | mov [eax + SOCKET.connect_proc], tcp_connect |
378 | mov [eax + SOCKET.connect_proc], tcp_connect |
379 | 379 | ||
380 | tcp_init_socket eax |
380 | tcp_init_socket eax |
381 | ret |
381 | ret |
382 | 382 | ||
383 | 383 | ||
384 | align 4 |
384 | align 4 |
385 | .raw_ip: |
385 | .raw_ip: |
386 | push eax |
386 | push eax |
387 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
387 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
388 | pop eax |
388 | pop eax |
389 | 389 | ||
390 | mov [eax + SOCKET.snd_proc], socket_send_ip |
390 | mov [eax + SOCKET.snd_proc], socket_send_ip |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
392 | mov [eax + SOCKET.connect_proc], ipv4_connect |
392 | mov [eax + SOCKET.connect_proc], ipv4_connect |
393 | ret |
393 | ret |
394 | 394 | ||
395 | 395 | ||
396 | align 4 |
396 | align 4 |
397 | .raw_icmp: |
397 | .raw_icmp: |
398 | push eax |
398 | push eax |
399 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
399 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
400 | pop eax |
400 | pop eax |
401 | 401 | ||
402 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
402 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
403 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
403 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
404 | mov [eax + SOCKET.connect_proc], ipv4_connect |
404 | mov [eax + SOCKET.connect_proc], ipv4_connect |
405 | ret |
405 | ret |
406 | 406 | ||
407 | align 4 |
407 | align 4 |
408 | .pppoe: |
408 | .pppoe: |
409 | push eax |
409 | push eax |
410 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
410 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
411 | pop eax |
411 | pop eax |
412 | 412 | ||
413 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
413 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
414 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
414 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
415 | ret |
415 | ret |
416 | 416 | ||
417 | 417 | ||
418 | ;-----------------------------------------------------------------; |
418 | ;-----------------------------------------------------------------; |
419 | ; ; |
419 | ; ; |
420 | ; socket_bind: Bind to a local port. ; |
420 | ; socket_bind: Bind to a local port. ; |
421 | ; ; |
421 | ; ; |
422 | ; IN: ecx = socket number ; |
422 | ; IN: ecx = socket number ; |
423 | ; edx = pointer to sockaddr struct ; |
423 | ; edx = pointer to sockaddr struct ; |
424 | ; esi = length of sockaddr struct ; |
424 | ; esi = length of sockaddr struct ; |
425 | ; ; |
425 | ; ; |
426 | ; OUT: eax = 0 on success ; |
426 | ; OUT: eax = 0 on success ; |
427 | ; eax = -1 on error ; |
427 | ; eax = -1 on error ; |
428 | ; ebx = errorcode on error ; |
428 | ; ebx = errorcode on error ; |
429 | ; ; |
429 | ; ; |
430 | ;-----------------------------------------------------------------; |
430 | ;-----------------------------------------------------------------; |
431 | align 4 |
431 | align 4 |
432 | socket_bind: |
432 | socket_bind: |
433 | 433 | ||
434 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
434 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
435 | 435 | ||
436 | call socket_num_to_ptr |
436 | call socket_num_to_ptr |
437 | test eax, eax |
437 | test eax, eax |
438 | jz .invalid |
438 | jz .invalid |
439 | 439 | ||
440 | cmp esi, 2 |
440 | cmp esi, 2 |
441 | jb .invalid |
441 | jb .invalid |
442 | 442 | ||
443 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
443 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
444 | jnz .invalid |
444 | jnz .invalid |
445 | 445 | ||
446 | cmp word[edx], AF_INET4 |
446 | cmp word[edx], AF_INET4 |
447 | je .af_inet4 |
447 | je .af_inet4 |
448 | 448 | ||
449 | cmp word[edx], AF_LOCAL |
449 | cmp word[edx], AF_LOCAL |
450 | je .af_local |
450 | je .af_local |
451 | 451 | ||
452 | .notsupp: |
452 | .notsupp: |
453 | mov dword[esp+20], EOPNOTSUPP |
453 | mov dword[esp+20], EOPNOTSUPP |
454 | mov dword[esp+32], -1 |
454 | mov dword[esp+32], -1 |
455 | ret |
455 | ret |
456 | 456 | ||
457 | .invalid: |
457 | .invalid: |
458 | mov dword[esp+20], EINVAL |
458 | mov dword[esp+20], EINVAL |
459 | mov dword[esp+32], -1 |
459 | mov dword[esp+32], -1 |
460 | ret |
460 | ret |
461 | 461 | ||
462 | .af_local: |
462 | .af_local: |
463 | ; TODO: write code here |
463 | ; TODO: write code here |
464 | mov dword[esp+32], 0 |
464 | mov dword[esp+32], 0 |
465 | ret |
465 | ret |
466 | 466 | ||
467 | .af_inet4: |
467 | .af_inet4: |
468 | cmp esi, 6 |
468 | cmp esi, 6 |
469 | jb .invalid |
469 | jb .invalid |
470 | 470 | ||
471 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
471 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
472 | je .udp |
472 | je .udp |
473 | 473 | ||
474 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
474 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
475 | je .tcp |
475 | je .tcp |
476 | 476 | ||
477 | jmp .notsupp |
477 | jmp .notsupp |
478 | 478 | ||
479 | .tcp: |
479 | .tcp: |
480 | .udp: |
480 | .udp: |
481 | pushd [edx + 4] ; First, fill in the IP |
481 | pushd [edx + 4] ; First, fill in the IP |
482 | popd [eax + IP_SOCKET.LocalIP] |
482 | popd [eax + IP_SOCKET.LocalIP] |
483 | 483 | ||
484 | mov bx, [edx + 2] ; Did caller specify a local port? |
484 | mov bx, [edx + 2] ; Did caller specify a local port? |
485 | test bx, bx |
485 | test bx, bx |
486 | jnz .just_check |
486 | jnz .just_check |
487 | call socket_find_port ; Nope, find an ephemeral one |
487 | call socket_find_port ; Nope, find an ephemeral one |
488 | jmp .done |
488 | jmp .done |
489 | 489 | ||
490 | .just_check: |
490 | .just_check: |
491 | call socket_check_port ; Yes, check if it's still available |
491 | call socket_check_port ; Yes, check if it's still available |
492 | jz .addrinuse ; ZF is set by socket_check_port on error |
492 | jz .addrinuse ; ZF is set by socket_check_port on error |
493 | 493 | ||
494 | .done: |
494 | .done: |
495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
496 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
496 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
497 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
497 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
498 | 498 | ||
499 | mov dword[esp+32], 0 |
499 | mov dword[esp+32], 0 |
500 | ret |
500 | ret |
501 | 501 | ||
502 | .addrinuse: |
502 | .addrinuse: |
503 | mov dword[esp+32], -1 |
503 | mov dword[esp+32], -1 |
504 | mov dword[esp+20], EADDRINUSE |
504 | mov dword[esp+20], EADDRINUSE |
505 | ret |
505 | ret |
506 | 506 | ||
507 | 507 | ||
508 | 508 | ||
509 | 509 | ||
510 | ;-----------------------------------------------------------------; |
510 | ;-----------------------------------------------------------------; |
511 | ; ; |
511 | ; ; |
512 | ; socket_connect: Connect to the remote host. ; |
512 | ; socket_connect: Connect to the remote host. ; |
513 | ; ; |
513 | ; ; |
514 | ; IN: ecx = socket number ; |
514 | ; IN: ecx = socket number ; |
515 | ; edx = pointer to sockaddr struct ; |
515 | ; edx = pointer to sockaddr struct ; |
516 | ; esi = length of sockaddr struct ; |
516 | ; esi = length of sockaddr struct ; |
517 | ; ; |
517 | ; ; |
518 | ; OUT: eax = 0 on success ; |
518 | ; OUT: eax = 0 on success ; |
519 | ; eax = -1 on error ; |
519 | ; eax = -1 on error ; |
520 | ; ebx = errorcode on error ; |
520 | ; ebx = errorcode on error ; |
521 | ; ; |
521 | ; ; |
522 | ;-----------------------------------------------------------------; |
522 | ;-----------------------------------------------------------------; |
523 | align 4 |
523 | align 4 |
524 | socket_connect: |
524 | socket_connect: |
525 | 525 | ||
526 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
526 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
527 | 527 | ||
528 | call socket_num_to_ptr |
528 | call socket_num_to_ptr |
529 | test eax, eax |
529 | test eax, eax |
530 | jz .invalid |
530 | jz .invalid |
531 | 531 | ||
532 | cmp esi, 8 |
532 | cmp esi, 8 |
533 | jb .invalid |
533 | jb .invalid |
534 | 534 | ||
535 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
535 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
536 | je .already |
536 | je .already |
537 | 537 | ||
538 | test [eax + SOCKET.options], SO_ACCEPTCON |
538 | test [eax + SOCKET.options], SO_ACCEPTCON |
539 | jnz .notsupp |
539 | jnz .notsupp |
540 | 540 | ||
541 | call [eax + SOCKET.connect_proc] |
541 | call [eax + SOCKET.connect_proc] |
542 | 542 | ||
543 | mov dword[esp+20], ebx |
543 | mov dword[esp+20], ebx |
544 | mov dword[esp+32], eax |
544 | mov dword[esp+32], eax |
545 | ret |
545 | ret |
546 | 546 | ||
547 | 547 | ||
548 | .notsupp: |
548 | .notsupp: |
549 | mov dword[esp+20], EOPNOTSUPP |
549 | mov dword[esp+20], EOPNOTSUPP |
550 | mov dword[esp+32], -1 |
550 | mov dword[esp+32], -1 |
551 | ret |
551 | ret |
552 | 552 | ||
553 | .invalid: |
553 | .invalid: |
554 | mov dword[esp+20], EINVAL |
554 | mov dword[esp+20], EINVAL |
555 | mov dword[esp+32], -1 |
555 | mov dword[esp+32], -1 |
556 | ret |
556 | ret |
557 | 557 | ||
558 | .already: |
558 | .already: |
559 | mov dword[esp+20], EALREADY |
559 | mov dword[esp+20], EALREADY |
560 | mov dword[esp+32], -1 |
560 | mov dword[esp+32], -1 |
561 | ret |
561 | ret |
562 | 562 | ||
563 | 563 | ||
564 | connect_notsupp: |
564 | connect_notsupp: |
565 | xor eax, eax |
565 | xor eax, eax |
566 | dec eax |
566 | dec eax |
567 | mov ebx, EOPNOTSUPP |
567 | mov ebx, EOPNOTSUPP |
568 | ret |
568 | ret |
569 | 569 | ||
570 | 570 | ||
571 | ;-----------------------------------------------------------------; |
571 | ;-----------------------------------------------------------------; |
572 | ; ; |
572 | ; ; |
573 | ; socket_listen: Listen for incoming connections. ; |
573 | ; socket_listen: Listen for incoming connections. ; |
574 | ; ; |
574 | ; ; |
575 | ; IN: ecx = socket number ; |
575 | ; IN: ecx = socket number ; |
576 | ; edx = backlog in edx ; |
576 | ; edx = backlog in edx ; |
577 | ; ; |
577 | ; ; |
578 | ; OUT: eax = 0 on success ; |
578 | ; OUT: eax = 0 on success ; |
579 | ; eax = -1 on error ; |
579 | ; eax = -1 on error ; |
580 | ; ebx = errorcode on error ; |
580 | ; ebx = errorcode on error ; |
581 | ; ; |
581 | ; ; |
582 | ;-----------------------------------------------------------------; |
582 | ;-----------------------------------------------------------------; |
583 | align 4 |
583 | align 4 |
584 | socket_listen: |
584 | socket_listen: |
585 | 585 | ||
586 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
586 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
587 | 587 | ||
588 | call socket_num_to_ptr |
588 | call socket_num_to_ptr |
589 | test eax, eax |
589 | test eax, eax |
590 | jz .invalid |
590 | jz .invalid |
591 | 591 | ||
592 | cmp [eax + SOCKET.Domain], AF_INET4 |
592 | cmp [eax + SOCKET.Domain], AF_INET4 |
593 | jne .notsupp |
593 | jne .notsupp |
594 | 594 | ||
595 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
595 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
596 | jne .invalid |
596 | jne .invalid |
597 | 597 | ||
598 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
598 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
599 | je .already |
599 | je .already |
600 | 600 | ||
601 | cmp [eax + IP_SOCKET.LocalIP], 0 |
601 | cmp [eax + IP_SOCKET.LocalIP], 0 |
602 | jne @f |
602 | jne @f |
603 | push [IPv4_address + 4] ;;; fixme!!!! |
603 | push [IPv4_address + 4] ;;; fixme!!!! |
604 | pop [eax + IP_SOCKET.LocalIP] |
604 | pop [eax + IP_SOCKET.LocalIP] |
605 | @@: |
605 | @@: |
606 | 606 | ||
607 | cmp edx, MAX_backlog |
607 | cmp edx, MAX_backlog |
608 | jbe @f |
608 | jbe @f |
609 | mov edx, MAX_backlog |
609 | mov edx, MAX_backlog |
610 | @@: |
610 | @@: |
611 | 611 | ||
612 | mov [eax + SOCKET.backlog], dx |
612 | mov [eax + SOCKET.backlog], dx |
613 | or [eax + SOCKET.options], SO_ACCEPTCON |
613 | or [eax + SOCKET.options], SO_ACCEPTCON |
614 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
614 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
615 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
615 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
616 | 616 | ||
617 | push eax |
617 | push eax |
618 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
618 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
619 | pop eax |
619 | pop eax |
620 | 620 | ||
621 | mov dword[esp+32], 0 |
621 | mov dword[esp+32], 0 |
622 | ret |
622 | ret |
623 | 623 | ||
624 | .notsupp: |
624 | .notsupp: |
625 | mov dword[esp+20], EOPNOTSUPP |
625 | mov dword[esp+20], EOPNOTSUPP |
626 | mov dword[esp+32], -1 |
626 | mov dword[esp+32], -1 |
627 | ret |
627 | ret |
628 | 628 | ||
629 | .invalid: |
629 | .invalid: |
630 | mov dword[esp+20], EINVAL |
630 | mov dword[esp+20], EINVAL |
631 | mov dword[esp+32], -1 |
631 | mov dword[esp+32], -1 |
632 | ret |
632 | ret |
633 | 633 | ||
634 | .already: |
634 | .already: |
635 | mov dword[esp+20], EALREADY |
635 | mov dword[esp+20], EALREADY |
636 | mov dword[esp+32], -1 |
636 | mov dword[esp+32], -1 |
637 | ret |
637 | ret |
638 | 638 | ||
639 | 639 | ||
640 | ;-----------------------------------------------------------------; |
640 | ;-----------------------------------------------------------------; |
641 | ; ; |
641 | ; ; |
642 | ; socket_accept: Accept an incoming connection. ; |
642 | ; socket_accept: Accept an incoming connection. ; |
643 | ; ; |
643 | ; ; |
644 | ; IN: ecx = socket number (of listening socket) ; |
644 | ; IN: ecx = socket number (of listening socket) ; |
645 | ; edx = ptr to sockaddr struct ; |
645 | ; edx = ptr to sockaddr struct ; |
646 | ; esi = length of sockaddr struct ; |
646 | ; esi = length of sockaddr struct ; |
647 | ; ; |
647 | ; ; |
648 | ; OUT: eax = newly created socket num ; |
648 | ; OUT: eax = newly created socket num ; |
649 | ; eax = -1 on error ; |
649 | ; eax = -1 on error ; |
650 | ; ebx = errorcode on error ; |
650 | ; ebx = errorcode on error ; |
651 | ; ; |
651 | ; ; |
652 | ;-----------------------------------------------------------------; |
652 | ;-----------------------------------------------------------------; |
653 | align 4 |
653 | align 4 |
654 | socket_accept: |
654 | socket_accept: |
655 | 655 | ||
656 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
656 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
657 | 657 | ||
658 | call socket_num_to_ptr |
658 | call socket_num_to_ptr |
659 | test eax, eax |
659 | test eax, eax |
660 | jz .invalid |
660 | jz .invalid |
661 | 661 | ||
662 | test [eax + SOCKET.options], SO_ACCEPTCON |
662 | test [eax + SOCKET.options], SO_ACCEPTCON |
663 | jz .invalid |
663 | jz .invalid |
664 | 664 | ||
665 | cmp [eax + SOCKET.Domain], AF_INET4 |
665 | cmp [eax + SOCKET.Domain], AF_INET4 |
666 | jne .notsupp |
666 | jne .notsupp |
667 | 667 | ||
668 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
668 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
669 | jne .invalid |
669 | jne .invalid |
670 | 670 | ||
671 | .loop: |
671 | .loop: |
672 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
672 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
673 | 673 | ||
674 | ; Ok, we got a socket ptr |
674 | ; Ok, we got a socket ptr |
675 | mov eax, [esi] |
675 | mov eax, [esi] |
676 | 676 | ||
677 | ; Verify that it is (still) a valid socket |
677 | ; Verify that it is (still) a valid socket |
678 | call socket_check |
678 | call socket_check |
679 | jz .invalid |
679 | jz .invalid |
680 | 680 | ||
681 | ; Change sockets thread owner ID to that of the current thread |
681 | ; Change sockets thread owner ID to that of the current thread |
682 | mov ebx, [TASK_BASE] |
682 | mov ebx, [TASK_BASE] |
683 | mov ebx, [ebx + TASKDATA.pid] |
683 | mov ebx, [ebx + TASKDATA.pid] |
684 | mov [eax + SOCKET.TID], ebx |
684 | mov [eax + SOCKET.TID], ebx |
685 | 685 | ||
686 | ; Return socket number to caller |
686 | ; Return socket number to caller |
687 | mov eax, [eax + SOCKET.Number] |
687 | mov eax, [eax + SOCKET.Number] |
688 | mov [esp+32], eax |
688 | mov [esp+32], eax |
689 | ret |
689 | ret |
690 | 690 | ||
691 | .block: |
691 | .block: |
692 | test [eax + SOCKET.options], SO_NONBLOCK |
692 | test [eax + SOCKET.options], SO_NONBLOCK |
693 | jnz .wouldblock |
693 | jnz .wouldblock |
694 | 694 | ||
695 | call socket_block |
695 | call socket_block |
696 | jmp .loop |
696 | jmp .loop |
697 | 697 | ||
698 | .wouldblock: |
698 | .wouldblock: |
699 | mov dword[esp+20], EWOULDBLOCK |
699 | mov dword[esp+20], EWOULDBLOCK |
700 | mov dword[esp+32], -1 |
700 | mov dword[esp+32], -1 |
701 | ret |
701 | ret |
702 | 702 | ||
703 | .invalid: |
703 | .invalid: |
704 | mov dword[esp+20], EINVAL |
704 | mov dword[esp+20], EINVAL |
705 | mov dword[esp+32], -1 |
705 | mov dword[esp+32], -1 |
706 | ret |
706 | ret |
707 | 707 | ||
708 | .notsupp: |
708 | .notsupp: |
709 | mov dword[esp+20], EOPNOTSUPP |
709 | mov dword[esp+20], EOPNOTSUPP |
710 | mov dword[esp+32], -1 |
710 | mov dword[esp+32], -1 |
711 | ret |
711 | ret |
712 | 712 | ||
713 | ;-----------------------------------------------------------------; |
713 | ;-----------------------------------------------------------------; |
714 | ; ; |
714 | ; ; |
715 | ; socket_close: Close the socket (and connection). ; |
715 | ; socket_close: Close the socket (and connection). ; |
716 | ; ; |
716 | ; ; |
717 | ; IN: ecx = socket number ; |
717 | ; IN: ecx = socket number ; |
718 | ; ; |
718 | ; ; |
719 | ; OUT: eax = 0 on success ; |
719 | ; OUT: eax = 0 on success ; |
720 | ; eax = -1 on error ; |
720 | ; eax = -1 on error ; |
721 | ; ebx = errorcode on error ; |
721 | ; ebx = errorcode on error ; |
722 | ; ; |
722 | ; ; |
723 | ;-----------------------------------------------------------------; |
723 | ;-----------------------------------------------------------------; |
724 | align 4 |
724 | align 4 |
725 | socket_close: |
725 | socket_close: |
726 | 726 | ||
727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
728 | 728 | ||
729 | call socket_num_to_ptr |
729 | call socket_num_to_ptr |
730 | test eax, eax |
730 | test eax, eax |
731 | jz .invalid |
731 | jz .invalid |
732 | 732 | ||
733 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
733 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
734 | 734 | ||
735 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
735 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
736 | 736 | ||
737 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
737 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
738 | jz @f |
738 | jz @f |
739 | call socket_notify ; Unblock it. |
739 | call socket_notify ; Unblock it. |
740 | @@: |
740 | @@: |
741 | 741 | ||
742 | cmp [eax + SOCKET.Domain], AF_INET4 |
742 | cmp [eax + SOCKET.Domain], AF_INET4 |
743 | jne .free |
743 | jne .free |
744 | 744 | ||
745 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
745 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
746 | je .tcp |
746 | je .tcp |
747 | 747 | ||
748 | .free: |
748 | .free: |
749 | call socket_free |
749 | call socket_free |
750 | ret |
750 | ret |
751 | 751 | ||
752 | .tcp: |
752 | .tcp: |
753 | call tcp_usrclosed |
- | |
754 | - | ||
755 | test eax, eax |
753 | test [eax + SOCKET.state], SS_ISCONNECTED |
756 | jz @f |
754 | jz @f |
757 | call tcp_output ; If connection is not closed yet, send the FIN |
755 | test [eax + SOCKET.state], SS_ISDISCONNECTING |
- | 756 | jnz @f |
|
- | 757 | call tcp_disconnect |
|
758 | @@: |
758 | @@: |
- | 759 | ; TODO: |
|
- | 760 | ; ... |
|
- | 761 | ; call socket_free |
|
759 | ret |
762 | ret |
760 | 763 | ||
761 | 764 | ||
762 | .invalid: |
765 | .invalid: |
763 | mov dword[esp+20], EINVAL |
766 | mov dword[esp+20], EINVAL |
764 | mov dword[esp+32], -1 |
767 | mov dword[esp+32], -1 |
765 | ret |
768 | ret |
766 | 769 | ||
767 | 770 | ||
768 | ;-----------------------------------------------------------------; |
771 | ;-----------------------------------------------------------------; |
769 | ; ; |
772 | ; ; |
770 | ; socket_receive: Receive some data from the remote end. ; |
773 | ; socket_receive: Receive some data from the remote end. ; |
771 | ; ; |
774 | ; ; |
772 | ; IN: ecx = socket number ; |
775 | ; IN: ecx = socket number ; |
773 | ; edx = addr to application buffer ; |
776 | ; edx = addr to application buffer ; |
774 | ; edx = length of application buffer ; |
777 | ; edx = length of application buffer ; |
775 | ; edi = flags ; |
778 | ; edi = flags ; |
776 | ; ; |
779 | ; ; |
777 | ; OUT: eax = number of bytes copied ; |
780 | ; OUT: eax = number of bytes copied ; |
778 | ; eax = -1 on error ; |
781 | ; eax = -1 on error ; |
779 | ; eax = 0 when socket has been closed by the remote end ; |
782 | ; eax = 0 when socket has been closed by the remote end ; |
780 | ; ebx = errorcode on error ; |
783 | ; ebx = errorcode on error ; |
781 | ; ; |
784 | ; ; |
782 | ;-----------------------------------------------------------------; |
785 | ;-----------------------------------------------------------------; |
783 | align 4 |
786 | align 4 |
784 | socket_receive: |
787 | socket_receive: |
785 | 788 | ||
786 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
789 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
787 | 790 | ||
788 | call socket_num_to_ptr |
791 | call socket_num_to_ptr |
789 | test eax, eax |
792 | test eax, eax |
790 | jz .invalid |
793 | jz .invalid |
791 | 794 | ||
792 | .loop: |
795 | .loop: |
793 | push edi |
796 | push edi |
794 | call [eax + SOCKET.rcv_proc] |
797 | call [eax + SOCKET.rcv_proc] |
795 | pop edi |
798 | pop edi |
796 | 799 | ||
797 | test [eax + SOCKET.state], SS_CANTRCVMORE |
800 | test [eax + SOCKET.state], SS_CANTRCVMORE |
798 | jnz .last_data |
801 | jnz .last_data |
799 | 802 | ||
800 | cmp ebx, EWOULDBLOCK |
803 | cmp ebx, EWOULDBLOCK |
801 | jne .return |
804 | jne .return |
802 | 805 | ||
803 | test edi, MSG_DONTWAIT |
806 | test edi, MSG_DONTWAIT |
804 | jnz .return_err |
807 | jnz .return_err |
805 | 808 | ||
806 | test [eax + SOCKET.options], SO_NONBLOCK |
809 | test [eax + SOCKET.options], SO_NONBLOCK |
807 | jnz .return_err |
810 | jnz .return_err |
808 | 811 | ||
809 | call socket_block |
812 | call socket_block |
810 | jmp .loop |
813 | jmp .loop |
811 | 814 | ||
812 | 815 | ||
813 | .invalid: |
816 | .invalid: |
814 | push EINVAL |
817 | push EINVAL |
815 | pop ebx |
818 | pop ebx |
816 | .return_err: |
819 | .return_err: |
817 | mov ecx, -1 |
820 | mov ecx, -1 |
818 | .return: |
821 | .return: |
819 | mov [esp+20], ebx |
822 | mov [esp+20], ebx |
820 | mov [esp+32], ecx |
823 | mov [esp+32], ecx |
821 | ret |
824 | ret |
822 | 825 | ||
823 | .last_data: |
826 | .last_data: |
824 | test ecx, ecx |
827 | test ecx, ecx |
825 | jz .return |
828 | jz .return |
826 | call socket_notify ; Call me again! |
829 | call socket_notify ; Call me again! |
827 | jmp .return |
830 | jmp .return |
828 | 831 | ||
829 | 832 | ||
830 | 833 | ||
831 | 834 | ||
832 | align 4 |
835 | align 4 |
833 | socket_receive_dgram: |
836 | socket_receive_dgram: |
834 | 837 | ||
835 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
838 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
836 | 839 | ||
837 | test edi, MSG_PEEK |
840 | test edi, MSG_PEEK |
838 | jnz .peek |
841 | jnz .peek |
839 | 842 | ||
840 | mov ebx, esi ; buffer length |
843 | mov ebx, esi ; buffer length |
841 | 844 | ||
842 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
845 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
843 | mov ecx, [esi + socket_queue_entry.data_size] |
846 | mov ecx, [esi + socket_queue_entry.data_size] |
844 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
847 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
845 | 848 | ||
846 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
849 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
847 | ja .too_small |
850 | ja .too_small |
848 | 851 | ||
849 | push eax ecx |
852 | push eax ecx |
850 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
853 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
851 | mov esi, [esi + socket_queue_entry.data_ptr] |
854 | mov esi, [esi + socket_queue_entry.data_ptr] |
852 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
855 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
853 | 856 | ||
854 | ; copy the data from kernel buffer to application buffer |
857 | ; copy the data from kernel buffer to application buffer |
855 | mov edi, edx ; bufferaddr |
858 | mov edi, edx ; bufferaddr |
856 | shr ecx, 1 |
859 | shr ecx, 1 |
857 | jnc .nb |
860 | jnc .nb |
858 | movsb |
861 | movsb |
859 | .nb: |
862 | .nb: |
860 | shr ecx, 1 |
863 | shr ecx, 1 |
861 | jnc .nw |
864 | jnc .nw |
862 | movsw |
865 | movsw |
863 | .nw: |
866 | .nw: |
864 | test ecx, ecx |
867 | test ecx, ecx |
865 | jz .nd |
868 | jz .nd |
866 | rep movsd |
869 | rep movsd |
867 | .nd: |
870 | .nd: |
868 | 871 | ||
869 | call net_buff_free |
872 | call net_buff_free |
870 | pop ecx eax ; return number of bytes copied to application |
873 | pop ecx eax ; return number of bytes copied to application |
871 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
874 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
872 | je @f |
875 | je @f |
873 | call socket_notify ; Queue another network event |
876 | call socket_notify ; Queue another network event |
874 | @@: |
877 | @@: |
875 | xor ebx, ebx ; errorcode = 0 (no error) |
878 | xor ebx, ebx ; errorcode = 0 (no error) |
876 | ret |
879 | ret |
877 | 880 | ||
878 | .too_small: |
881 | .too_small: |
879 | mov ecx, -1 |
882 | mov ecx, -1 |
880 | push EMSGSIZE |
883 | push EMSGSIZE |
881 | pop ebx |
884 | pop ebx |
882 | ret |
885 | ret |
883 | 886 | ||
884 | .wouldblock: |
887 | .wouldblock: |
885 | push EWOULDBLOCK |
888 | push EWOULDBLOCK |
886 | pop ebx |
889 | pop ebx |
887 | ret |
890 | ret |
888 | 891 | ||
889 | .peek: |
892 | .peek: |
890 | xor ebx, ebx |
893 | xor ebx, ebx |
891 | xor ecx, ecx |
894 | xor ecx, ecx |
892 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
895 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
893 | je @f |
896 | je @f |
894 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
897 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
895 | mov ecx, [esi + socket_queue_entry.data_size] |
898 | mov ecx, [esi + socket_queue_entry.data_size] |
896 | @@: |
899 | @@: |
897 | ret |
900 | ret |
898 | 901 | ||
899 | align 4 |
902 | align 4 |
900 | socket_receive_tcp: |
903 | socket_receive_tcp: |
901 | 904 | ||
902 | call socket_receive_stream |
905 | call socket_receive_stream |
903 | 906 | ||
904 | test ecx, ecx |
907 | test ecx, ecx |
905 | jz @f |
908 | jz @f |
906 | push eax ebx ecx |
909 | push eax ebx ecx |
907 | call tcp_output |
910 | call tcp_output |
908 | pop ecx ebx eax |
911 | pop ecx ebx eax |
909 | @@: |
912 | @@: |
910 | 913 | ||
911 | ret |
914 | ret |
912 | 915 | ||
913 | 916 | ||
914 | align 4 |
917 | align 4 |
915 | socket_receive_local: |
918 | socket_receive_local: |
916 | 919 | ||
917 | ; does this socket have a PID yet? |
920 | ; does this socket have a PID yet? |
918 | cmp [eax + SOCKET.PID], 0 |
921 | cmp [eax + SOCKET.PID], 0 |
919 | jne @f |
922 | jne @f |
920 | 923 | ||
921 | ; Change PID to that of current process |
924 | ; Change PID to that of current process |
922 | mov ebx, [TASK_BASE] |
925 | mov ebx, [TASK_BASE] |
923 | mov ebx, [ebx + TASKDATA.pid] |
926 | mov ebx, [ebx + TASKDATA.pid] |
924 | mov [eax + SOCKET.PID], ebx |
927 | mov [eax + SOCKET.PID], ebx |
925 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
928 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
926 | @@: |
929 | @@: |
927 | 930 | ||
928 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
931 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
929 | 932 | ||
930 | ; ... continue to SOCKET_receive_stream |
933 | ; ... continue to SOCKET_receive_stream |
931 | 934 | ||
932 | align 4 |
935 | align 4 |
933 | socket_receive_stream: |
936 | socket_receive_stream: |
934 | 937 | ||
935 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
938 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
936 | 939 | ||
937 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
940 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
938 | je .wouldblock |
941 | je .wouldblock |
939 | 942 | ||
940 | test edi, MSG_PEEK |
943 | test edi, MSG_PEEK |
941 | jnz .peek |
944 | jnz .peek |
942 | 945 | ||
943 | mov ecx, esi |
946 | mov ecx, esi |
944 | mov edi, edx |
947 | mov edi, edx |
945 | xor edx, edx |
948 | xor edx, edx |
946 | 949 | ||
947 | push eax |
950 | push eax |
948 | add eax, STREAM_SOCKET.rcv |
951 | add eax, STREAM_SOCKET.rcv |
949 | call socket_ring_read ; copy data from kernel buffer to application buffer |
952 | call socket_ring_read ; copy data from kernel buffer to application buffer |
950 | call socket_ring_free ; free read memory |
953 | call socket_ring_free ; free read memory |
951 | pop eax |
954 | pop eax |
952 | 955 | ||
953 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
956 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
954 | jne .more_data |
957 | jne .more_data |
955 | xor ebx, ebx ; errorcode = 0 (no error) |
958 | xor ebx, ebx ; errorcode = 0 (no error) |
956 | ret |
959 | ret |
957 | 960 | ||
958 | .more_data: |
961 | .more_data: |
959 | call socket_notify ; Queue another network event |
962 | call socket_notify ; Queue another network event |
960 | xor ebx, ebx ; errorcode = 0 (no error) |
963 | xor ebx, ebx ; errorcode = 0 (no error) |
961 | ret |
964 | ret |
962 | 965 | ||
963 | .wouldblock: |
966 | .wouldblock: |
964 | push EWOULDBLOCK |
967 | push EWOULDBLOCK |
965 | pop ebx |
968 | pop ebx |
966 | xor ecx, ecx |
969 | xor ecx, ecx |
967 | ret |
970 | ret |
968 | 971 | ||
969 | .peek: |
972 | .peek: |
970 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
973 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
971 | xor ebx, ebx |
974 | xor ebx, ebx |
972 | ret |
975 | ret |
973 | 976 | ||
974 | 977 | ||
975 | ;-----------------------------------------------------------------; |
978 | ;-----------------------------------------------------------------; |
976 | ; ; |
979 | ; ; |
977 | ; socket_send: Send some data to the remote end. ; |
980 | ; socket_send: Send some data to the remote end. ; |
978 | ; ; |
981 | ; ; |
979 | ; IN: ecx = socket number ; |
982 | ; IN: ecx = socket number ; |
980 | ; edx = pointer to data ; |
983 | ; edx = pointer to data ; |
981 | ; esi = data length ; |
984 | ; esi = data length ; |
982 | ; edi = flags ; |
985 | ; edi = flags ; |
983 | ; ; |
986 | ; ; |
984 | ; OUT: eax = number of bytes sent ; |
987 | ; OUT: eax = number of bytes sent ; |
985 | ; eax = -1 on error ; |
988 | ; eax = -1 on error ; |
986 | ; ebx = errorcode on error ; |
989 | ; ebx = errorcode on error ; |
987 | ; ; |
990 | ; ; |
988 | ;-----------------------------------------------------------------; |
991 | ;-----------------------------------------------------------------; |
989 | align 4 |
992 | align 4 |
990 | socket_send: |
993 | socket_send: |
991 | 994 | ||
992 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
995 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
993 | 996 | ||
994 | call socket_num_to_ptr |
997 | call socket_num_to_ptr |
995 | test eax, eax |
998 | test eax, eax |
996 | jz .invalid |
999 | jz .invalid |
997 | 1000 | ||
998 | mov ecx, esi |
1001 | mov ecx, esi |
999 | mov esi, edx |
1002 | mov esi, edx |
1000 | 1003 | ||
1001 | jmp [eax + SOCKET.snd_proc] |
1004 | jmp [eax + SOCKET.snd_proc] |
1002 | 1005 | ||
1003 | .invalid: |
1006 | .invalid: |
1004 | mov dword[esp+20], EINVAL |
1007 | mov dword[esp+20], EINVAL |
1005 | mov dword[esp+32], -1 |
1008 | mov dword[esp+32], -1 |
1006 | ret |
1009 | ret |
1007 | 1010 | ||
1008 | 1011 | ||
1009 | align 4 |
1012 | align 4 |
1010 | socket_send_udp: |
1013 | socket_send_udp: |
1011 | 1014 | ||
1012 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
1015 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
1013 | 1016 | ||
1014 | mov [esp+32], ecx |
1017 | mov [esp+32], ecx |
1015 | call udp_output |
1018 | call udp_output |
1016 | cmp eax, -1 |
1019 | cmp eax, -1 |
1017 | je .error |
1020 | je .error |
1018 | ret |
1021 | ret |
1019 | 1022 | ||
1020 | .error: |
1023 | .error: |
1021 | mov dword[esp+32], -1 |
1024 | mov dword[esp+32], -1 |
1022 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
1025 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
1023 | ret |
1026 | ret |
1024 | 1027 | ||
1025 | 1028 | ||
1026 | align 4 |
1029 | align 4 |
1027 | socket_send_tcp: |
1030 | socket_send_tcp: |
1028 | 1031 | ||
1029 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
1032 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
1030 | 1033 | ||
1031 | push eax |
1034 | push eax |
1032 | add eax, STREAM_SOCKET.snd |
1035 | add eax, STREAM_SOCKET.snd |
1033 | call socket_ring_write |
1036 | call socket_ring_write |
1034 | pop eax |
1037 | pop eax |
1035 | 1038 | ||
1036 | mov [esp+32], ecx |
1039 | mov [esp+32], ecx |
1037 | mov [eax + SOCKET.errorcode], 0 |
1040 | mov [eax + SOCKET.errorcode], 0 |
1038 | push eax |
1041 | push eax |
1039 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
1042 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
1040 | pop eax |
1043 | pop eax |
1041 | mov eax, [eax + SOCKET.errorcode] |
1044 | mov eax, [eax + SOCKET.errorcode] |
1042 | mov [esp+20], eax |
1045 | mov [esp+20], eax |
1043 | ret |
1046 | ret |
1044 | 1047 | ||
1045 | 1048 | ||
1046 | align 4 |
1049 | align 4 |
1047 | socket_send_ip: |
1050 | socket_send_ip: |
1048 | 1051 | ||
1049 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
1052 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
1050 | 1053 | ||
1051 | mov [esp+32], ecx |
1054 | mov [esp+32], ecx |
1052 | call ipv4_output_raw |
1055 | call ipv4_output_raw |
1053 | cmp eax, -1 |
1056 | cmp eax, -1 |
1054 | je .error |
1057 | je .error |
1055 | ret |
1058 | ret |
1056 | 1059 | ||
1057 | .error: |
1060 | .error: |
1058 | mov dword[esp+32], eax |
1061 | mov dword[esp+32], eax |
1059 | mov dword[esp+20], ebx |
1062 | mov dword[esp+20], ebx |
1060 | ret |
1063 | ret |
1061 | 1064 | ||
1062 | 1065 | ||
1063 | align 4 |
1066 | align 4 |
1064 | socket_send_icmp: |
1067 | socket_send_icmp: |
1065 | 1068 | ||
1066 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
1069 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
1067 | 1070 | ||
1068 | mov [esp+32], ecx |
1071 | mov [esp+32], ecx |
1069 | call icmp_output_raw |
1072 | call icmp_output_raw |
1070 | cmp eax, -1 |
1073 | cmp eax, -1 |
1071 | je .error |
1074 | je .error |
1072 | ret |
1075 | ret |
1073 | 1076 | ||
1074 | .error: |
1077 | .error: |
1075 | mov dword[esp+32], eax |
1078 | mov dword[esp+32], eax |
1076 | mov dword[esp+20], ebx |
1079 | mov dword[esp+20], ebx |
1077 | ret |
1080 | ret |
1078 | 1081 | ||
1079 | 1082 | ||
1080 | align 4 |
1083 | align 4 |
1081 | socket_send_pppoe: |
1084 | socket_send_pppoe: |
1082 | 1085 | ||
1083 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
1086 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
1084 | 1087 | ||
1085 | mov [esp+32], ecx |
1088 | mov [esp+32], ecx |
1086 | mov ebx, [eax + SOCKET.device] |
1089 | mov ebx, [eax + SOCKET.device] |
1087 | 1090 | ||
1088 | call pppoe_discovery_output ; FIXME: errorcodes |
1091 | call pppoe_discovery_output ; FIXME: errorcodes |
1089 | cmp eax, -1 |
1092 | cmp eax, -1 |
1090 | je .error |
1093 | je .error |
1091 | ret |
1094 | ret |
1092 | 1095 | ||
1093 | .error: |
1096 | .error: |
1094 | mov dword[esp+32], -1 |
1097 | mov dword[esp+32], -1 |
1095 | mov dword[esp+20], EMSGSIZE |
1098 | mov dword[esp+20], EMSGSIZE |
1096 | ret |
1099 | ret |
1097 | 1100 | ||
1098 | 1101 | ||
1099 | 1102 | ||
1100 | align 4 |
1103 | align 4 |
1101 | socket_send_local: |
1104 | socket_send_local: |
1102 | 1105 | ||
1103 | ; does this socket have a PID yet? |
1106 | ; does this socket have a PID yet? |
1104 | cmp [eax + SOCKET.PID], 0 |
1107 | cmp [eax + SOCKET.PID], 0 |
1105 | jne @f |
1108 | jne @f |
1106 | 1109 | ||
1107 | ; Change PID to that of current process |
1110 | ; Change PID to that of current process |
1108 | mov ebx, [TASK_BASE] |
1111 | mov ebx, [TASK_BASE] |
1109 | mov ebx, [ebx + TASKDATA.pid] |
1112 | mov ebx, [ebx + TASKDATA.pid] |
1110 | mov [eax + SOCKET.PID], ebx |
1113 | mov [eax + SOCKET.PID], ebx |
1111 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
1114 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
1112 | @@: |
1115 | @@: |
1113 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
1116 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
1114 | 1117 | ||
1115 | align 4 |
1118 | align 4 |
1116 | socket_send_local_initialized: |
1119 | socket_send_local_initialized: |
1117 | 1120 | ||
1118 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
1121 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
1119 | 1122 | ||
1120 | ; get the other side's socket and check if it still exists |
1123 | ; get the other side's socket and check if it still exists |
1121 | mov eax, [eax + SOCKET.device] |
1124 | mov eax, [eax + SOCKET.device] |
1122 | call socket_check |
1125 | call socket_check |
1123 | jz .invalid |
1126 | jz .invalid |
1124 | 1127 | ||
1125 | ; allright, shove in the data! |
1128 | ; allright, shove in the data! |
1126 | push eax |
1129 | push eax |
1127 | add eax, STREAM_SOCKET.rcv |
1130 | add eax, STREAM_SOCKET.rcv |
1128 | call socket_ring_write |
1131 | call socket_ring_write |
1129 | pop eax |
1132 | pop eax |
1130 | 1133 | ||
1131 | ; return the number of written bytes (or errorcode) to application |
1134 | ; return the number of written bytes (or errorcode) to application |
1132 | mov [esp+32], ecx |
1135 | mov [esp+32], ecx |
1133 | 1136 | ||
1134 | ; and notify the other end |
1137 | ; and notify the other end |
1135 | call socket_notify |
1138 | call socket_notify |
1136 | 1139 | ||
1137 | ret |
1140 | ret |
1138 | 1141 | ||
1139 | .invalid: |
1142 | .invalid: |
1140 | mov dword[esp+32], -1 |
1143 | mov dword[esp+32], -1 |
1141 | mov dword[esp+20], EINVAL |
1144 | mov dword[esp+20], EINVAL |
1142 | ret |
1145 | ret |
1143 | 1146 | ||
1144 | 1147 | ||
1145 | ;-----------------------------------------------------------------; |
1148 | ;-----------------------------------------------------------------; |
1146 | ; ; |
1149 | ; ; |
1147 | ; socket_get_opt: Read a socket option ; |
1150 | ; socket_get_opt: Read a socket option ; |
1148 | ; ; |
1151 | ; ; |
1149 | ; IN: ecx = socket number ; |
1152 | ; IN: ecx = socket number ; |
1150 | ; edx = pointer to socket options struct ; |
1153 | ; edx = pointer to socket options struct ; |
1151 | ; ; |
1154 | ; ; |
1152 | ; OUT: eax = 0 on success ; |
1155 | ; OUT: eax = 0 on success ; |
1153 | ; eax = -1 on error ; |
1156 | ; eax = -1 on error ; |
1154 | ; ebx = errorcode on error ; |
1157 | ; ebx = errorcode on error ; |
1155 | ; ; |
1158 | ; ; |
1156 | ;-----------------------------------------------------------------; |
1159 | ;-----------------------------------------------------------------; |
1157 | align 4 |
1160 | align 4 |
1158 | socket_get_opt: |
1161 | socket_get_opt: |
1159 | 1162 | ||
1160 | ; FIXME: |
1163 | ; FIXME: |
1161 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1164 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1162 | ; TODO: find best way to notify that send()'ed data were acknowledged |
1165 | ; TODO: find best way to notify that send()'ed data were acknowledged |
1163 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
1166 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
1164 | 1167 | ||
1165 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
1168 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
1166 | 1169 | ||
1167 | call socket_num_to_ptr |
1170 | call socket_num_to_ptr |
1168 | test eax, eax |
1171 | test eax, eax |
1169 | jz .invalid |
1172 | jz .invalid |
1170 | 1173 | ||
1171 | cmp dword [edx], IP_PROTO_TCP |
1174 | cmp dword [edx], IP_PROTO_TCP |
1172 | jne .invalid |
1175 | jne .invalid |
1173 | cmp dword [edx+4], -2 |
1176 | cmp dword [edx+4], -2 |
1174 | je @f |
1177 | je @f |
1175 | cmp dword [edx+4], -3 |
1178 | cmp dword [edx+4], -3 |
1176 | jne .invalid |
1179 | jne .invalid |
1177 | @@: |
1180 | @@: |
1178 | ; mov eax, [edx+12] |
1181 | ; mov eax, [edx+12] |
1179 | ; test eax, eax |
1182 | ; test eax, eax |
1180 | ; jz .fail |
1183 | ; jz .fail |
1181 | ; cmp dword [eax], 4 |
1184 | ; cmp dword [eax], 4 |
1182 | ; mov dword [eax], 4 |
1185 | ; mov dword [eax], 4 |
1183 | ; jb .fail |
1186 | ; jb .fail |
1184 | ; stdcall net_socket_num_to_addr, ecx |
1187 | ; stdcall net_socket_num_to_addr, ecx |
1185 | ; test eax, eax |
1188 | ; test eax, eax |
1186 | ; jz .fail |
1189 | ; jz .fail |
1187 | ; ; todo: check that eax is really TCP socket |
1190 | ; ; todo: check that eax is really TCP socket |
1188 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
1191 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
1189 | ; cmp dword [edx+4], -2 |
1192 | ; cmp dword [edx+4], -2 |
1190 | ; jz @f |
1193 | ; jz @f |
1191 | ; mov ecx, [eax + TCP_SOCKET.state] |
1194 | ; mov ecx, [eax + TCP_SOCKET.state] |
1192 | @@: |
1195 | @@: |
1193 | mov eax, [edx+8] |
1196 | mov eax, [edx+8] |
1194 | test eax, eax |
1197 | test eax, eax |
1195 | jz @f |
1198 | jz @f |
1196 | mov [eax], ecx |
1199 | mov [eax], ecx |
1197 | @@: |
1200 | @@: |
1198 | mov dword [esp+32], 0 |
1201 | mov dword [esp+32], 0 |
1199 | ret |
1202 | ret |
1200 | 1203 | ||
1201 | .invalid: |
1204 | .invalid: |
1202 | mov dword[esp+32], -1 |
1205 | mov dword[esp+32], -1 |
1203 | mov dword[esp+20], EINVAL |
1206 | mov dword[esp+20], EINVAL |
1204 | ret |
1207 | ret |
1205 | 1208 | ||
1206 | 1209 | ||
1207 | ;-----------------------------------------------------------------; |
1210 | ;-----------------------------------------------------------------; |
1208 | ; ; |
1211 | ; ; |
1209 | ; socket_set_options: Set a socket option. ; |
1212 | ; socket_set_options: Set a socket option. ; |
1210 | ; ; |
1213 | ; ; |
1211 | ; IN: ecx = socket number ; |
1214 | ; IN: ecx = socket number ; |
1212 | ; edx = pointer to socket options struct ; |
1215 | ; edx = pointer to socket options struct ; |
1213 | ; ; |
1216 | ; ; |
1214 | ; OUT: eax = 0 on success ; |
1217 | ; OUT: eax = 0 on success ; |
1215 | ; eax = -1 on error ; |
1218 | ; eax = -1 on error ; |
1216 | ; ebx = errorcode on error ; |
1219 | ; ebx = errorcode on error ; |
1217 | ; ; |
1220 | ; ; |
1218 | ;-----------------------------------------------------------------; |
1221 | ;-----------------------------------------------------------------; |
1219 | align 4 |
1222 | align 4 |
1220 | socket_set_opt: |
1223 | socket_set_opt: |
1221 | 1224 | ||
1222 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
1225 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
1223 | 1226 | ||
1224 | call socket_num_to_ptr |
1227 | call socket_num_to_ptr |
1225 | test eax, eax |
1228 | test eax, eax |
1226 | jz .invalid |
1229 | jz .invalid |
1227 | 1230 | ||
1228 | cmp [edx + socket_options.level], IP_PROTO_IP |
1231 | cmp [edx + socket_options.level], IP_PROTO_IP |
1229 | je .ip |
1232 | je .ip |
1230 | cmp [edx + socket_options.level], SOL_SOCKET |
1233 | cmp [edx + socket_options.level], SOL_SOCKET |
1231 | jne .invalid |
1234 | jne .invalid |
1232 | 1235 | ||
1233 | .socket: |
1236 | .socket: |
1234 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
1237 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
1235 | jne .invalid |
1238 | jne .invalid |
1236 | 1239 | ||
1237 | .bind: |
1240 | .bind: |
1238 | cmp [edx + socket_options.optlen], 0 |
1241 | cmp [edx + socket_options.optlen], 0 |
1239 | je .unbind |
1242 | je .unbind |
1240 | 1243 | ||
1241 | movzx edx, byte[edx + socket_options.optval] |
1244 | movzx edx, byte[edx + socket_options.optval] |
1242 | cmp edx, NET_DEVICES_MAX |
1245 | cmp edx, NET_DEVICES_MAX |
1243 | ja .invalid |
1246 | ja .invalid |
1244 | 1247 | ||
1245 | mov edx, [net_device_list + 4*edx] |
1248 | mov edx, [net_device_list + 4*edx] |
1246 | test edx, edx |
1249 | test edx, edx |
1247 | jz .already |
1250 | jz .already |
1248 | mov [eax + SOCKET.device], edx |
1251 | mov [eax + SOCKET.device], edx |
1249 | 1252 | ||
1250 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
1253 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
1251 | 1254 | ||
1252 | mov dword[esp+32], 0 ; success! |
1255 | mov dword[esp+32], 0 ; success! |
1253 | ret |
1256 | ret |
1254 | 1257 | ||
1255 | .unbind: |
1258 | .unbind: |
1256 | mov [eax + SOCKET.device], 0 |
1259 | mov [eax + SOCKET.device], 0 |
1257 | 1260 | ||
1258 | mov dword[esp+32], 0 ; success! |
1261 | mov dword[esp+32], 0 ; success! |
1259 | ret |
1262 | ret |
1260 | 1263 | ||
1261 | .ip: |
1264 | .ip: |
1262 | cmp [edx + socket_options.optname], IP_TTL |
1265 | cmp [edx + socket_options.optname], IP_TTL |
1263 | jne .invalid |
1266 | jne .invalid |
1264 | 1267 | ||
1265 | .ttl: |
1268 | .ttl: |
1266 | mov bl, byte[edx + socket_options.optval] |
1269 | mov bl, byte[edx + socket_options.optval] |
1267 | mov [eax + IP_SOCKET.ttl], bl |
1270 | mov [eax + IP_SOCKET.ttl], bl |
1268 | 1271 | ||
1269 | mov dword[esp+32], 0 ; success! |
1272 | mov dword[esp+32], 0 ; success! |
1270 | ret |
1273 | ret |
1271 | 1274 | ||
1272 | .already: |
1275 | .already: |
1273 | mov dword[esp+20], EALREADY |
1276 | mov dword[esp+20], EALREADY |
1274 | mov dword[esp+32], -1 |
1277 | mov dword[esp+32], -1 |
1275 | ret |
1278 | ret |
1276 | 1279 | ||
1277 | .invalid: |
1280 | .invalid: |
1278 | mov dword[esp+20], EINVAL |
1281 | mov dword[esp+20], EINVAL |
1279 | mov dword[esp+32], -1 |
1282 | mov dword[esp+32], -1 |
1280 | ret |
1283 | ret |
1281 | 1284 | ||
1282 | 1285 | ||
1283 | 1286 | ||
1284 | 1287 | ||
1285 | ;-----------------------------------------------------------------; |
1288 | ;-----------------------------------------------------------------; |
1286 | ; ; |
1289 | ; ; |
1287 | ; socket_pair: Allocate a pair of linked local sockets. ; |
1290 | ; socket_pair: Allocate a pair of linked local sockets. ; |
1288 | ; ; |
1291 | ; ; |
1289 | ; IN: / ; |
1292 | ; IN: / ; |
1290 | ; ; |
1293 | ; ; |
1291 | ; OUT: eax = socket1 num on success ; |
1294 | ; OUT: eax = socket1 num on success ; |
1292 | ; eax = -1 on error ; |
1295 | ; eax = -1 on error ; |
1293 | ; ebx = socket2 num on success ; |
1296 | ; ebx = socket2 num on success ; |
1294 | ; ebx = errorcode on error ; |
1297 | ; ebx = errorcode on error ; |
1295 | ; ; |
1298 | ; ; |
1296 | ;-----------------------------------------------------------------; |
1299 | ;-----------------------------------------------------------------; |
1297 | align 4 |
1300 | align 4 |
1298 | socket_pair: |
1301 | socket_pair: |
1299 | 1302 | ||
1300 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
1303 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
1301 | 1304 | ||
1302 | call socket_alloc |
1305 | call socket_alloc |
1303 | test eax, eax |
1306 | test eax, eax |
1304 | jz .nomem1 |
1307 | jz .nomem1 |
1305 | mov [esp+32], edi ; application's eax |
1308 | mov [esp+32], edi ; application's eax |
1306 | 1309 | ||
1307 | mov [eax + SOCKET.Domain], AF_LOCAL |
1310 | mov [eax + SOCKET.Domain], AF_LOCAL |
1308 | mov [eax + SOCKET.Type], SOCK_STREAM |
1311 | mov [eax + SOCKET.Type], SOCK_STREAM |
1309 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1312 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1310 | mov [eax + SOCKET.snd_proc], socket_send_local |
1313 | mov [eax + SOCKET.snd_proc], socket_send_local |
1311 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1314 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1312 | mov [eax + SOCKET.PID], 0 |
1315 | mov [eax + SOCKET.PID], 0 |
1313 | mov ebx, eax |
1316 | mov ebx, eax |
1314 | 1317 | ||
1315 | call socket_alloc |
1318 | call socket_alloc |
1316 | test eax, eax |
1319 | test eax, eax |
1317 | jz .nomem2 |
1320 | jz .nomem2 |
1318 | mov [esp+20], edi ; application's ebx |
1321 | mov [esp+20], edi ; application's ebx |
1319 | 1322 | ||
1320 | mov [eax + SOCKET.Domain], AF_LOCAL |
1323 | mov [eax + SOCKET.Domain], AF_LOCAL |
1321 | mov [eax + SOCKET.Type], SOCK_STREAM |
1324 | mov [eax + SOCKET.Type], SOCK_STREAM |
1322 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1325 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
1323 | mov [eax + SOCKET.snd_proc], socket_send_local |
1326 | mov [eax + SOCKET.snd_proc], socket_send_local |
1324 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1327 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
1325 | mov [eax + SOCKET.PID], 0 |
1328 | mov [eax + SOCKET.PID], 0 |
1326 | 1329 | ||
1327 | ; Link the two sockets to eachother |
1330 | ; Link the two sockets to eachother |
1328 | mov [eax + SOCKET.device], ebx |
1331 | mov [eax + SOCKET.device], ebx |
1329 | mov [ebx + SOCKET.device], eax |
1332 | mov [ebx + SOCKET.device], eax |
1330 | 1333 | ||
1331 | lea eax, [eax + STREAM_SOCKET.rcv] |
1334 | lea eax, [eax + STREAM_SOCKET.rcv] |
1332 | call socket_ring_create |
1335 | call socket_ring_create |
1333 | test eax, eax |
1336 | test eax, eax |
1334 | jz .nomem2 |
1337 | jz .nomem2 |
1335 | 1338 | ||
1336 | lea eax, [ebx + STREAM_SOCKET.rcv] |
1339 | lea eax, [ebx + STREAM_SOCKET.rcv] |
1337 | call socket_ring_create |
1340 | call socket_ring_create |
1338 | test eax, eax |
1341 | test eax, eax |
1339 | jz .nomem2 |
1342 | jz .nomem2 |
1340 | 1343 | ||
1341 | ret |
1344 | ret |
1342 | 1345 | ||
1343 | .nomem2: |
1346 | .nomem2: |
1344 | mov eax, [esp+20] |
1347 | mov eax, [esp+20] |
1345 | call socket_free |
1348 | call socket_free |
1346 | 1349 | ||
1347 | .nomem1: |
1350 | .nomem1: |
1348 | mov eax, [esp+32] |
1351 | mov eax, [esp+32] |
1349 | call socket_free |
1352 | call socket_free |
1350 | 1353 | ||
1351 | mov dword[esp+32], -1 |
1354 | mov dword[esp+32], -1 |
1352 | mov dword[esp+20], ENOMEM |
1355 | mov dword[esp+20], ENOMEM |
1353 | ret |
1356 | ret |
1354 | 1357 | ||
1355 | 1358 | ||
1356 | 1359 | ||
1357 | ;-----------------------------------------------------------------; |
1360 | ;-----------------------------------------------------------------; |
1358 | ; ; |
1361 | ; ; |
1359 | ; socket_debug: Copy socket variables to application buffer. ; |
1362 | ; socket_debug: Copy socket variables to application buffer. ; |
1360 | ; ; |
1363 | ; ; |
1361 | ; IN: ecx = socket number ; |
1364 | ; IN: ecx = socket number ; |
1362 | ; edx = pointer to application buffer ; |
1365 | ; edx = pointer to application buffer ; |
1363 | ; ; |
1366 | ; ; |
1364 | ; OUT: eax = 0 on success ; |
1367 | ; OUT: eax = 0 on success ; |
1365 | ; eax = -1 on error ; |
1368 | ; eax = -1 on error ; |
1366 | ; ebx = errorcode on error ; |
1369 | ; ebx = errorcode on error ; |
1367 | ; ; |
1370 | ; ; |
1368 | ;-----------------------------------------------------------------; |
1371 | ;-----------------------------------------------------------------; |
1369 | align 4 |
1372 | align 4 |
1370 | socket_debug: |
1373 | socket_debug: |
1371 | 1374 | ||
1372 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
1375 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
1373 | 1376 | ||
1374 | mov edi, edx |
1377 | mov edi, edx |
1375 | 1378 | ||
1376 | test ecx, ecx |
1379 | test ecx, ecx |
1377 | jz .returnall |
1380 | jz .returnall |
1378 | 1381 | ||
1379 | call socket_num_to_ptr |
1382 | call socket_num_to_ptr |
1380 | test eax, eax |
1383 | test eax, eax |
1381 | jz .invalid |
1384 | jz .invalid |
1382 | 1385 | ||
1383 | mov esi, eax |
1386 | mov esi, eax |
1384 | mov ecx, SOCKET_STRUCT_SIZE/4 |
1387 | mov ecx, SOCKET_STRUCT_SIZE/4 |
1385 | rep movsd |
1388 | rep movsd |
1386 | 1389 | ||
1387 | mov dword[esp+32], 0 |
1390 | mov dword[esp+32], 0 |
1388 | ret |
1391 | ret |
1389 | 1392 | ||
1390 | .returnall: |
1393 | .returnall: |
1391 | mov ebx, net_sockets |
1394 | mov ebx, net_sockets |
1392 | .next_socket: |
1395 | .next_socket: |
1393 | mov ebx, [ebx + SOCKET.NextPtr] |
1396 | mov ebx, [ebx + SOCKET.NextPtr] |
1394 | test ebx, ebx |
1397 | test ebx, ebx |
1395 | jz .done |
1398 | jz .done |
1396 | mov eax, [ebx + SOCKET.Number] |
1399 | mov eax, [ebx + SOCKET.Number] |
1397 | stosd |
1400 | stosd |
1398 | jmp .next_socket |
1401 | jmp .next_socket |
1399 | .done: |
1402 | .done: |
1400 | xor eax, eax |
1403 | xor eax, eax |
1401 | stosd |
1404 | stosd |
1402 | mov dword[esp+32], eax |
1405 | mov dword[esp+32], eax |
1403 | ret |
1406 | ret |
1404 | 1407 | ||
1405 | .invalid: |
1408 | .invalid: |
1406 | mov dword[esp+32], -1 |
1409 | mov dword[esp+32], -1 |
1407 | mov dword[esp+20], EINVAL |
1410 | mov dword[esp+20], EINVAL |
1408 | ret |
1411 | ret |
1409 | 1412 | ||
1410 | 1413 | ||
1411 | ;-----------------------------------------------------------------; |
1414 | ;-----------------------------------------------------------------; |
1412 | ; ____ ____ ; |
1415 | ; ____ ____ ; |
1413 | ; \ / End of sockets API \ / ; |
1416 | ; \ / End of sockets API \ / ; |
1414 | ; \/ \/ ; |
1417 | ; \/ \/ ; |
1415 | ; () Internally used functions follow () ; |
1418 | ; () Internally used functions follow () ; |
1416 | ; ; |
1419 | ; ; |
1417 | ;-----------------------------------------------------------------; |
1420 | ;-----------------------------------------------------------------; |
1418 | 1421 | ||
1419 | 1422 | ||
1420 | ;-----------------------------------------------------------------; |
1423 | ;-----------------------------------------------------------------; |
1421 | ; ; |
1424 | ; ; |
1422 | ; socket_find_port: ; |
1425 | ; socket_find_port: ; |
1423 | ; Fill in the local port number for TCP and UDP sockets ; |
1426 | ; Fill in the local port number for TCP and UDP sockets ; |
1424 | ; This procedure always works because the number of sockets is ; |
1427 | ; This procedure always works because the number of sockets is ; |
1425 | ; limited to a smaller number then the number of possible ports ; |
1428 | ; limited to a smaller number then the number of possible ports ; |
1426 | ; ; |
1429 | ; ; |
1427 | ; IN: eax = socket pointer ; |
1430 | ; IN: eax = socket pointer ; |
1428 | ; ; |
1431 | ; ; |
1429 | ; OUT: / ; |
1432 | ; OUT: / ; |
1430 | ; ; |
1433 | ; ; |
1431 | ;-----------------------------------------------------------------; |
1434 | ;-----------------------------------------------------------------; |
1432 | align 4 |
1435 | align 4 |
1433 | socket_find_port: |
1436 | socket_find_port: |
1434 | 1437 | ||
1435 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
1438 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
1436 | 1439 | ||
1437 | push ebx esi ecx |
1440 | push ebx esi ecx |
1438 | 1441 | ||
1439 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
1442 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
1440 | je .udp |
1443 | je .udp |
1441 | 1444 | ||
1442 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1445 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1443 | je .tcp |
1446 | je .tcp |
1444 | 1447 | ||
1445 | pop ecx esi ebx |
1448 | pop ecx esi ebx |
1446 | ret |
1449 | ret |
1447 | 1450 | ||
1448 | .udp: |
1451 | .udp: |
1449 | mov bx, [last_UDP_port] |
1452 | mov bx, [last_UDP_port] |
1450 | call .findit |
1453 | call .findit |
1451 | mov [last_UDP_port], bx |
1454 | mov [last_UDP_port], bx |
1452 | 1455 | ||
1453 | pop ecx esi ebx |
1456 | pop ecx esi ebx |
1454 | ret |
1457 | ret |
1455 | 1458 | ||
1456 | .tcp: |
1459 | .tcp: |
1457 | mov bx, [last_TCP_port] |
1460 | mov bx, [last_TCP_port] |
1458 | call .findit |
1461 | call .findit |
1459 | mov [last_TCP_port], bx |
1462 | mov [last_TCP_port], bx |
1460 | 1463 | ||
1461 | pop ecx esi ebx |
1464 | pop ecx esi ebx |
1462 | ret |
1465 | ret |
1463 | 1466 | ||
1464 | 1467 | ||
1465 | .restart: |
1468 | .restart: |
1466 | mov bx, MIN_EPHEMERAL_PORT_N |
1469 | mov bx, MIN_EPHEMERAL_PORT_N |
1467 | .findit: |
1470 | .findit: |
1468 | cmp bx, MAX_EPHEMERAL_PORT_N |
1471 | cmp bx, MAX_EPHEMERAL_PORT_N |
1469 | je .restart |
1472 | je .restart |
1470 | 1473 | ||
1471 | add bh, 1 |
1474 | add bh, 1 |
1472 | adc bl, 0 |
1475 | adc bl, 0 |
1473 | 1476 | ||
1474 | call socket_check_port |
1477 | call socket_check_port |
1475 | jz .findit |
1478 | jz .findit |
1476 | ret |
1479 | ret |
1477 | 1480 | ||
1478 | 1481 | ||
1479 | 1482 | ||
1480 | ;-----------------------------------------------------------------; |
1483 | ;-----------------------------------------------------------------; |
1481 | ; ; |
1484 | ; ; |
1482 | ; socket_check_port: (to be used with AF_INET only!) ; |
1485 | ; socket_check_port: (to be used with AF_INET only!) ; |
1483 | ; Checks if a local port number is unused ; |
1486 | ; Checks if a local port number is unused ; |
1484 | ; If the proposed port number is unused, it is filled in in the ; |
1487 | ; If the proposed port number is unused, it is filled in in the ; |
1485 | ; socket structure. ; |
1488 | ; socket structure. ; |
1486 | ; ; |
1489 | ; ; |
1487 | ; IN: eax = socket ptr ; |
1490 | ; IN: eax = socket ptr ; |
1488 | ; bx = proposed socket number (network byte order) ; |
1491 | ; bx = proposed socket number (network byte order) ; |
1489 | ; ; |
1492 | ; ; |
1490 | ; OUT: ZF = set on error ; |
1493 | ; OUT: ZF = set on error ; |
1491 | ; ; |
1494 | ; ; |
1492 | ;-----------------------------------------------------------------; |
1495 | ;-----------------------------------------------------------------; |
1493 | align 4 |
1496 | align 4 |
1494 | socket_check_port: |
1497 | socket_check_port: |
1495 | 1498 | ||
1496 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
1499 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
1497 | 1500 | ||
1498 | pusha |
1501 | pusha |
1499 | mov ecx, socket_mutex |
1502 | mov ecx, socket_mutex |
1500 | call mutex_lock |
1503 | call mutex_lock |
1501 | popa |
1504 | popa |
1502 | 1505 | ||
1503 | mov ecx, [eax + SOCKET.Protocol] |
1506 | mov ecx, [eax + SOCKET.Protocol] |
1504 | mov edx, [eax + IP_SOCKET.LocalIP] |
1507 | mov edx, [eax + IP_SOCKET.LocalIP] |
1505 | mov esi, net_sockets |
1508 | mov esi, net_sockets |
1506 | 1509 | ||
1507 | .next_socket: |
1510 | .next_socket: |
1508 | mov esi, [esi + SOCKET.NextPtr] |
1511 | mov esi, [esi + SOCKET.NextPtr] |
1509 | or esi, esi |
1512 | or esi, esi |
1510 | jz .port_ok |
1513 | jz .port_ok |
1511 | 1514 | ||
1512 | cmp [esi + SOCKET.Protocol], ecx |
1515 | cmp [esi + SOCKET.Protocol], ecx |
1513 | jne .next_socket |
1516 | jne .next_socket |
1514 | 1517 | ||
1515 | cmp [esi + IP_SOCKET.LocalIP], edx |
1518 | cmp [esi + IP_SOCKET.LocalIP], edx |
1516 | jne .next_socket |
1519 | jne .next_socket |
1517 | 1520 | ||
1518 | cmp [esi + UDP_SOCKET.LocalPort], bx |
1521 | cmp [esi + UDP_SOCKET.LocalPort], bx |
1519 | jne .next_socket |
1522 | jne .next_socket |
1520 | 1523 | ||
1521 | pusha |
1524 | pusha |
1522 | mov ecx, socket_mutex |
1525 | mov ecx, socket_mutex |
1523 | call mutex_unlock |
1526 | call mutex_unlock |
1524 | popa |
1527 | popa |
1525 | 1528 | ||
1526 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
1529 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
1527 | ret |
1530 | ret |
1528 | 1531 | ||
1529 | .port_ok: |
1532 | .port_ok: |
1530 | pusha |
1533 | pusha |
1531 | mov ecx, socket_mutex |
1534 | mov ecx, socket_mutex |
1532 | call mutex_unlock |
1535 | call mutex_unlock |
1533 | popa |
1536 | popa |
1534 | 1537 | ||
1535 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
1538 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
1536 | mov [eax + UDP_SOCKET.LocalPort], bx |
1539 | mov [eax + UDP_SOCKET.LocalPort], bx |
1537 | or bx, bx ; clear the zero-flag |
1540 | or bx, bx ; clear the zero-flag |
1538 | ret |
1541 | ret |
1539 | 1542 | ||
1540 | 1543 | ||
1541 | 1544 | ||
1542 | ;-----------------------------------------------------------------; |
1545 | ;-----------------------------------------------------------------; |
1543 | ; ; |
1546 | ; ; |
1544 | ; socket_input: Update a (stateless) socket with received data. ; |
1547 | ; socket_input: Update a (stateless) socket with received data. ; |
1545 | ; ; |
1548 | ; ; |
1546 | ; Note: The socket's mutex should already be set ! ; |
1549 | ; Note: The socket's mutex should already be set ! ; |
1547 | ; ; |
1550 | ; ; |
1548 | ; IN: eax = socket ptr ; |
1551 | ; IN: eax = socket ptr ; |
1549 | ; ecx = data size ; |
1552 | ; ecx = data size ; |
1550 | ; esi = ptr to data ; |
1553 | ; esi = ptr to data ; |
1551 | ; [esp] = ptr to buf ; |
1554 | ; [esp] = ptr to buf ; |
1552 | ; ; |
1555 | ; ; |
1553 | ; OUT: / ; |
1556 | ; OUT: / ; |
1554 | ; ; |
1557 | ; ; |
1555 | ;-----------------------------------------------------------------; |
1558 | ;-----------------------------------------------------------------; |
1556 | align 4 |
1559 | align 4 |
1557 | socket_input: |
1560 | socket_input: |
1558 | 1561 | ||
1559 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
1562 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
1560 | 1563 | ||
1561 | push ecx |
1564 | push ecx |
1562 | push esi |
1565 | push esi |
1563 | mov esi, esp |
1566 | mov esi, esp |
1564 | 1567 | ||
1565 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
1568 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
1566 | 1569 | ||
1567 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
1570 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
1568 | add esp, sizeof.socket_queue_entry |
1571 | add esp, sizeof.socket_queue_entry |
1569 | 1572 | ||
1570 | pusha |
1573 | pusha |
1571 | lea ecx, [eax + SOCKET.mutex] |
1574 | lea ecx, [eax + SOCKET.mutex] |
1572 | call mutex_unlock |
1575 | call mutex_unlock |
1573 | popa |
1576 | popa |
1574 | 1577 | ||
1575 | jmp socket_notify |
1578 | jmp socket_notify |
1576 | 1579 | ||
1577 | .full: |
1580 | .full: |
1578 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
1581 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
1579 | 1582 | ||
1580 | pusha |
1583 | pusha |
1581 | lea ecx, [eax + SOCKET.mutex] |
1584 | lea ecx, [eax + SOCKET.mutex] |
1582 | call mutex_unlock |
1585 | call mutex_unlock |
1583 | popa |
1586 | popa |
1584 | 1587 | ||
1585 | add esp, 8 |
1588 | add esp, 8 |
1586 | call net_buff_free |
1589 | call net_buff_free |
1587 | ret |
1590 | ret |
1588 | 1591 | ||
1589 | 1592 | ||
1590 | ;-----------------------------------------------------------------; |
1593 | ;-----------------------------------------------------------------; |
1591 | ; ; |
1594 | ; ; |
1592 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
1595 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
1593 | ; ; |
1596 | ; ; |
1594 | ; IN: eax = ptr to ring struct ; |
1597 | ; IN: eax = ptr to ring struct ; |
1595 | ; ; |
1598 | ; ; |
1596 | ; OUT: eax = 0 on error ; |
1599 | ; OUT: eax = 0 on error ; |
1597 | ; eax = start ptr ; |
1600 | ; eax = start ptr ; |
1598 | ; ; |
1601 | ; ; |
1599 | ;-----------------------------------------------------------------; |
1602 | ;-----------------------------------------------------------------; |
1600 | align 4 |
1603 | align 4 |
1601 | socket_ring_create: |
1604 | socket_ring_create: |
1602 | 1605 | ||
1603 | push esi |
1606 | push esi |
1604 | mov esi, eax |
1607 | mov esi, eax |
1605 | 1608 | ||
1606 | push edx |
1609 | push edx |
1607 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
1610 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
1608 | pop edx |
1611 | pop edx |
1609 | test eax, eax |
1612 | test eax, eax |
1610 | jz .fail |
1613 | jz .fail |
1611 | 1614 | ||
1612 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
1615 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
1613 | 1616 | ||
1614 | pusha |
1617 | pusha |
1615 | lea ecx, [esi + RING_BUFFER.mutex] |
1618 | lea ecx, [esi + RING_BUFFER.mutex] |
1616 | call mutex_init |
1619 | call mutex_init |
1617 | popa |
1620 | popa |
1618 | 1621 | ||
1619 | mov [esi + RING_BUFFER.start_ptr], eax |
1622 | mov [esi + RING_BUFFER.start_ptr], eax |
1620 | mov [esi + RING_BUFFER.write_ptr], eax |
1623 | mov [esi + RING_BUFFER.write_ptr], eax |
1621 | mov [esi + RING_BUFFER.read_ptr], eax |
1624 | mov [esi + RING_BUFFER.read_ptr], eax |
1622 | mov [esi + RING_BUFFER.size], 0 |
1625 | mov [esi + RING_BUFFER.size], 0 |
1623 | add eax, SOCKET_BUFFER_SIZE |
1626 | add eax, SOCKET_BUFFER_SIZE |
1624 | mov [esi + RING_BUFFER.end_ptr], eax |
1627 | mov [esi + RING_BUFFER.end_ptr], eax |
1625 | mov eax, esi |
1628 | mov eax, esi |
1626 | 1629 | ||
1627 | pop esi |
1630 | pop esi |
1628 | ret |
1631 | ret |
1629 | 1632 | ||
1630 | .fail: |
1633 | .fail: |
1631 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
1634 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
1632 | pop esi |
1635 | pop esi |
1633 | ret |
1636 | ret |
1634 | 1637 | ||
1635 | ;-----------------------------------------------------------------; |
1638 | ;-----------------------------------------------------------------; |
1636 | ; ; |
1639 | ; ; |
1637 | ; socket_ring_write: Write data to ring buffer. ; |
1640 | ; socket_ring_write: Write data to ring buffer. ; |
1638 | ; ; |
1641 | ; ; |
1639 | ; IN: eax = ptr to ring struct ; |
1642 | ; IN: eax = ptr to ring struct ; |
1640 | ; ecx = data size ; |
1643 | ; ecx = data size ; |
1641 | ; esi = ptr to data ; |
1644 | ; esi = ptr to data ; |
1642 | ; ; |
1645 | ; ; |
1643 | ; OUT: ecx = number of bytes stored ; |
1646 | ; OUT: ecx = number of bytes stored ; |
1644 | ; ; |
1647 | ; ; |
1645 | ;-----------------------------------------------------------------; |
1648 | ;-----------------------------------------------------------------; |
1646 | align 4 |
1649 | align 4 |
1647 | socket_ring_write: |
1650 | socket_ring_write: |
1648 | 1651 | ||
1649 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
1652 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
1650 | 1653 | ||
1651 | ; lock mutex |
1654 | ; lock mutex |
1652 | pusha |
1655 | pusha |
1653 | lea ecx, [eax + RING_BUFFER.mutex] |
1656 | lea ecx, [eax + RING_BUFFER.mutex] |
1654 | call mutex_lock ; TODO: check what registers this function actually destroys |
1657 | call mutex_lock ; TODO: check what registers this function actually destroys |
1655 | popa |
1658 | popa |
1656 | 1659 | ||
1657 | ; calculate available size |
1660 | ; calculate available size |
1658 | mov edi, SOCKET_BUFFER_SIZE |
1661 | mov edi, SOCKET_BUFFER_SIZE |
1659 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1662 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1660 | cmp ecx, edi |
1663 | cmp ecx, edi |
1661 | jbe .copy |
1664 | jbe .copy |
1662 | mov ecx, edi |
1665 | mov ecx, edi |
1663 | .copy: |
1666 | .copy: |
1664 | mov edi, [eax + RING_BUFFER.write_ptr] |
1667 | mov edi, [eax + RING_BUFFER.write_ptr] |
1665 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
1668 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
1666 | 1669 | ||
1667 | ; update write ptr |
1670 | ; update write ptr |
1668 | push edi |
1671 | push edi |
1669 | add edi, ecx |
1672 | add edi, ecx |
1670 | cmp edi, [eax + RING_BUFFER.end_ptr] |
1673 | cmp edi, [eax + RING_BUFFER.end_ptr] |
1671 | jb @f |
1674 | jb @f |
1672 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
1675 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
1673 | @@: |
1676 | @@: |
1674 | mov [eax + RING_BUFFER.write_ptr], edi |
1677 | mov [eax + RING_BUFFER.write_ptr], edi |
1675 | pop edi |
1678 | pop edi |
1676 | 1679 | ||
1677 | ; update size |
1680 | ; update size |
1678 | add [eax + RING_BUFFER.size], ecx |
1681 | add [eax + RING_BUFFER.size], ecx |
1679 | 1682 | ||
1680 | ; copy the data |
1683 | ; copy the data |
1681 | push ecx |
1684 | push ecx |
1682 | shr ecx, 1 |
1685 | shr ecx, 1 |
1683 | jnc .nb |
1686 | jnc .nb |
1684 | movsb |
1687 | movsb |
1685 | .nb: |
1688 | .nb: |
1686 | shr ecx, 1 |
1689 | shr ecx, 1 |
1687 | jnc .nw |
1690 | jnc .nw |
1688 | movsw |
1691 | movsw |
1689 | .nw: |
1692 | .nw: |
1690 | test ecx, ecx |
1693 | test ecx, ecx |
1691 | jz .nd |
1694 | jz .nd |
1692 | rep movsd |
1695 | rep movsd |
1693 | .nd: |
1696 | .nd: |
1694 | pop ecx |
1697 | pop ecx |
1695 | 1698 | ||
1696 | ; unlock mutex |
1699 | ; unlock mutex |
1697 | pusha |
1700 | pusha |
1698 | lea ecx, [eax + RING_BUFFER.mutex] |
1701 | lea ecx, [eax + RING_BUFFER.mutex] |
1699 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1702 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1700 | popa |
1703 | popa |
1701 | 1704 | ||
1702 | ret |
1705 | ret |
1703 | 1706 | ||
1704 | ;-----------------------------------------------------------------; |
1707 | ;-----------------------------------------------------------------; |
1705 | ; ; |
1708 | ; ; |
1706 | ; socket_ring_read: Read from ring buffer ; |
1709 | ; socket_ring_read: Read from ring buffer ; |
1707 | ; ; |
1710 | ; ; |
1708 | ; IN: eax = ring struct ptr ; |
1711 | ; IN: eax = ring struct ptr ; |
1709 | ; ecx = bytes to read ; |
1712 | ; ecx = bytes to read ; |
1710 | ; edx = offset ; |
1713 | ; edx = offset ; |
1711 | ; edi = ptr to buffer start ; |
1714 | ; edi = ptr to buffer start ; |
1712 | ; ; |
1715 | ; ; |
1713 | ; OUT: eax = unchanged ; |
1716 | ; OUT: eax = unchanged ; |
1714 | ; ecx = number of bytes read (0 on error) ; |
1717 | ; ecx = number of bytes read (0 on error) ; |
1715 | ; edx = destroyed ; |
1718 | ; edx = destroyed ; |
1716 | ; esi = destroyed ; |
1719 | ; esi = destroyed ; |
1717 | ; edi = ptr to buffer end ; |
1720 | ; edi = ptr to buffer end ; |
1718 | ; ; |
1721 | ; ; |
1719 | ;-----------------------------------------------------------------; |
1722 | ;-----------------------------------------------------------------; |
1720 | align 4 |
1723 | align 4 |
1721 | socket_ring_read: |
1724 | socket_ring_read: |
1722 | 1725 | ||
1723 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
1726 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
1724 | 1727 | ||
1725 | pusha |
1728 | pusha |
1726 | lea ecx, [eax + RING_BUFFER.mutex] |
1729 | lea ecx, [eax + RING_BUFFER.mutex] |
1727 | call mutex_lock ; TODO: check what registers this function actually destroys |
1730 | call mutex_lock ; TODO: check what registers this function actually destroys |
1728 | popa |
1731 | popa |
1729 | 1732 | ||
1730 | mov esi, [eax + RING_BUFFER.read_ptr] |
1733 | mov esi, [eax + RING_BUFFER.read_ptr] |
1731 | add esi, edx ; esi = start_ptr + offset |
1734 | add esi, edx ; esi = start_ptr + offset |
1732 | 1735 | ||
1733 | neg edx |
1736 | neg edx |
1734 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
1737 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
1735 | jle .no_data_at_all |
1738 | jle .no_data_at_all |
1736 | 1739 | ||
1737 | pusha |
1740 | pusha |
1738 | lea ecx, [eax + RING_BUFFER.mutex] |
1741 | lea ecx, [eax + RING_BUFFER.mutex] |
1739 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1742 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1740 | popa |
1743 | popa |
1741 | 1744 | ||
1742 | cmp ecx, edx |
1745 | cmp ecx, edx |
1743 | ja .less_data |
1746 | ja .less_data |
1744 | 1747 | ||
1745 | .copy: |
1748 | .copy: |
1746 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
1749 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
1747 | push ecx |
1750 | push ecx |
1748 | shr ecx, 1 |
1751 | shr ecx, 1 |
1749 | jnc .nb |
1752 | jnc .nb |
1750 | movsb |
1753 | movsb |
1751 | .nb: |
1754 | .nb: |
1752 | shr ecx, 1 |
1755 | shr ecx, 1 |
1753 | jnc .nw |
1756 | jnc .nw |
1754 | movsw |
1757 | movsw |
1755 | .nw: |
1758 | .nw: |
1756 | test ecx, ecx |
1759 | test ecx, ecx |
1757 | jz .nd |
1760 | jz .nd |
1758 | rep movsd |
1761 | rep movsd |
1759 | .nd: |
1762 | .nd: |
1760 | pop ecx |
1763 | pop ecx |
1761 | ret |
1764 | ret |
1762 | 1765 | ||
1763 | .no_data_at_all: |
1766 | .no_data_at_all: |
1764 | pusha |
1767 | pusha |
1765 | lea ecx, [eax + RING_BUFFER.mutex] |
1768 | lea ecx, [eax + RING_BUFFER.mutex] |
1766 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1769 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1767 | popa |
1770 | popa |
1768 | 1771 | ||
1769 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
1772 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
1770 | xor ecx, ecx |
1773 | xor ecx, ecx |
1771 | ret |
1774 | ret |
1772 | 1775 | ||
1773 | .less_data: |
1776 | .less_data: |
1774 | mov ecx, edx |
1777 | mov ecx, edx |
1775 | jmp .copy |
1778 | jmp .copy |
1776 | 1779 | ||
1777 | 1780 | ||
1778 | ;-----------------------------------------------------------------; |
1781 | ;-----------------------------------------------------------------; |
1779 | ; ; |
1782 | ; ; |
1780 | ; socket_ring_free: Free data from a ringbuffer. ; |
1783 | ; socket_ring_free: Free data from a ringbuffer. ; |
1781 | ; ; |
1784 | ; ; |
1782 | ; IN: eax = ptr to ring struct ; |
1785 | ; IN: eax = ptr to ring struct ; |
1783 | ; ecx = data size ; |
1786 | ; ecx = data size ; |
1784 | ; ; |
1787 | ; ; |
1785 | ; OUT: ecx = number of freed bytes ; |
1788 | ; OUT: ecx = number of freed bytes ; |
1786 | ; ; |
1789 | ; ; |
1787 | ;-----------------------------------------------------------------; |
1790 | ;-----------------------------------------------------------------; |
1788 | align 4 |
1791 | align 4 |
1789 | socket_ring_free: |
1792 | socket_ring_free: |
1790 | 1793 | ||
1791 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
1794 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
1792 | 1795 | ||
1793 | push eax ecx |
1796 | push eax ecx |
1794 | lea ecx, [eax + RING_BUFFER.mutex] |
1797 | lea ecx, [eax + RING_BUFFER.mutex] |
1795 | call mutex_lock ; TODO: check what registers this function actually destroys |
1798 | call mutex_lock ; TODO: check what registers this function actually destroys |
1796 | pop ecx eax |
1799 | pop ecx eax |
1797 | 1800 | ||
1798 | sub [eax + RING_BUFFER.size], ecx |
1801 | sub [eax + RING_BUFFER.size], ecx |
1799 | jb .error |
1802 | jb .error |
1800 | add [eax + RING_BUFFER.read_ptr], ecx |
1803 | add [eax + RING_BUFFER.read_ptr], ecx |
1801 | 1804 | ||
1802 | mov edx, [eax + RING_BUFFER.end_ptr] |
1805 | mov edx, [eax + RING_BUFFER.end_ptr] |
1803 | cmp [eax + RING_BUFFER.read_ptr], edx |
1806 | cmp [eax + RING_BUFFER.read_ptr], edx |
1804 | jb @f |
1807 | jb @f |
1805 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
1808 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
1806 | @@: |
1809 | @@: |
1807 | 1810 | ||
1808 | push eax ecx |
1811 | push eax ecx |
1809 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
1812 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
1810 | call mutex_unlock |
1813 | call mutex_unlock |
1811 | pop ecx eax |
1814 | pop ecx eax |
1812 | 1815 | ||
1813 | ret |
1816 | ret |
1814 | 1817 | ||
1815 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
1818 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
1816 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
1819 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
1817 | add [eax + RING_BUFFER.size], ecx |
1820 | add [eax + RING_BUFFER.size], ecx |
1818 | 1821 | ||
1819 | push eax |
1822 | push eax |
1820 | lea ecx, [eax + RING_BUFFER.mutex] |
1823 | lea ecx, [eax + RING_BUFFER.mutex] |
1821 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1824 | call mutex_unlock ; TODO: check what registers this function actually destroys |
1822 | pop eax |
1825 | pop eax |
1823 | 1826 | ||
1824 | xor ecx, ecx |
1827 | xor ecx, ecx |
1825 | ret |
1828 | ret |
1826 | 1829 | ||
1827 | 1830 | ||
1828 | ;-----------------------------------------------------------------; |
1831 | ;-----------------------------------------------------------------; |
1829 | ; ; |
1832 | ; ; |
1830 | ; socket_block: Suspend the thread attached to a socket. ; |
1833 | ; socket_block: Suspend the thread attached to a socket. ; |
1831 | ; ; |
1834 | ; ; |
1832 | ; IN: eax = socket ptr ; |
1835 | ; IN: eax = socket ptr ; |
1833 | ; ; |
1836 | ; ; |
1834 | ; OUT: eax = unchanged ; |
1837 | ; OUT: eax = unchanged ; |
1835 | ; ; |
1838 | ; ; |
1836 | ;-----------------------------------------------------------------; |
1839 | ;-----------------------------------------------------------------; |
1837 | align 4 |
1840 | align 4 |
1838 | socket_block: |
1841 | socket_block: |
1839 | 1842 | ||
1840 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
1843 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
1841 | 1844 | ||
1842 | push eax |
1845 | push eax |
1843 | 1846 | ||
1844 | pushf |
1847 | pushf |
1845 | cli |
1848 | cli |
1846 | ; Set the 'socket is blocked' flag |
1849 | ; Set the 'socket is blocked' flag |
1847 | or [eax + SOCKET.state], SS_BLOCKED |
1850 | or [eax + SOCKET.state], SS_BLOCKED |
1848 | 1851 | ||
1849 | ; Suspend the thread |
1852 | ; Suspend the thread |
1850 | push edx |
1853 | push edx |
1851 | mov edx, [TASK_BASE] |
1854 | mov edx, [TASK_BASE] |
1852 | mov [edx + TASKDATA.state], TSTATE_RUN_SUSPENDED |
1855 | mov [edx + TASKDATA.state], TSTATE_RUN_SUSPENDED |
1853 | 1856 | ||
1854 | ; Remember the thread ID so we can wake it up again |
1857 | ; Remember the thread ID so we can wake it up again |
1855 | mov edx, [edx + TASKDATA.pid] |
1858 | mov edx, [edx + TASKDATA.pid] |
1856 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
1859 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
1857 | mov [eax + SOCKET.TID], edx |
1860 | mov [eax + SOCKET.TID], edx |
1858 | pop edx |
1861 | pop edx |
1859 | popf |
1862 | popf |
1860 | 1863 | ||
1861 | call change_task |
1864 | call change_task |
1862 | pop eax |
1865 | pop eax |
1863 | 1866 | ||
1864 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
1867 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
1865 | 1868 | ||
1866 | ret |
1869 | ret |
1867 | 1870 | ||
1868 | 1871 | ||
1869 | ;-----------------------------------------------------------------; |
1872 | ;-----------------------------------------------------------------; |
1870 | ; ; |
1873 | ; ; |
1871 | ; socket_notify: Wake up socket owner thread. ; |
1874 | ; socket_notify: Wake up socket owner thread. ; |
1872 | ; ; |
1875 | ; ; |
1873 | ; IN: eax = socket ptr ; |
1876 | ; IN: eax = socket ptr ; |
1874 | ; ; |
1877 | ; ; |
1875 | ; OUT: eax = unchanged ; |
1878 | ; OUT: eax = unchanged ; |
1876 | ; ; |
1879 | ; ; |
1877 | ;-----------------------------------------------------------------; |
1880 | ;-----------------------------------------------------------------; |
1878 | align 4 |
1881 | align 4 |
1879 | socket_notify: |
1882 | socket_notify: |
1880 | 1883 | ||
1881 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
1884 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
1882 | 1885 | ||
1883 | call socket_check |
1886 | call socket_check |
1884 | jz .error |
1887 | jz .error |
1885 | 1888 | ||
1886 | ; Find the associated thread's TASK_DATA |
1889 | ; Find the associated thread's TASK_DATA |
1887 | push ebx ecx esi |
1890 | push ebx ecx esi |
1888 | mov ebx, [eax + SOCKET.TID] |
1891 | mov ebx, [eax + SOCKET.TID] |
1889 | test ebx, ebx |
1892 | test ebx, ebx |
1890 | jz .error2 |
1893 | jz .error2 |
1891 | xor ecx, ecx |
1894 | xor ecx, ecx |
1892 | inc ecx |
1895 | inc ecx |
1893 | mov esi, TASK_DATA |
1896 | mov esi, TASK_DATA |
1894 | .next: |
1897 | .next: |
1895 | cmp [esi + TASKDATA.pid], ebx |
1898 | cmp [esi + TASKDATA.pid], ebx |
1896 | je .found |
1899 | je .found |
1897 | inc ecx |
1900 | inc ecx |
1898 | add esi, sizeof.TASKDATA |
1901 | add esi, sizeof.TASKDATA |
1899 | cmp ecx, [TASK_COUNT] |
1902 | cmp ecx, [TASK_COUNT] |
1900 | jbe .next |
1903 | jbe .next |
1901 | 1904 | ||
1902 | .error2: |
1905 | .error2: |
1903 | ; PID not found, TODO: close socket! |
1906 | ; PID not found, TODO: close socket! |
1904 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1907 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1905 | pop esi ecx ebx |
1908 | pop esi ecx ebx |
1906 | ret |
1909 | ret |
1907 | 1910 | ||
1908 | .error: |
1911 | .error: |
1909 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
1912 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
1910 | ret |
1913 | ret |
1911 | 1914 | ||
1912 | .found: |
1915 | .found: |
1913 | test [eax + SOCKET.state], SS_BLOCKED |
1916 | test [eax + SOCKET.state], SS_BLOCKED |
1914 | jnz .un_block |
1917 | jnz .un_block |
1915 | 1918 | ||
1916 | ; Socket and thread exists and socket is of non blocking type. |
1919 | ; Socket and thread exists and socket is of non blocking type. |
1917 | ; We'll try to flag an event to the thread. |
1920 | ; We'll try to flag an event to the thread. |
1918 | shl ecx, 8 |
1921 | shl ecx, 8 |
1919 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
1922 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
1920 | 1923 | ||
1921 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
1924 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
1922 | pop esi ecx ebx |
1925 | pop esi ecx ebx |
1923 | ret |
1926 | ret |
1924 | 1927 | ||
1925 | 1928 | ||
1926 | .un_block: |
1929 | .un_block: |
1927 | ; Socket and thread exists and socket is of blocking type |
1930 | ; Socket and thread exists and socket is of blocking type |
1928 | ; We'll try to unblock it. |
1931 | ; We'll try to unblock it. |
1929 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
1932 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
1930 | mov [esi + TASKDATA.state], TSTATE_RUNNING ; Run the thread |
1933 | mov [esi + TASKDATA.state], TSTATE_RUNNING ; Run the thread |
1931 | 1934 | ||
1932 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
1935 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
1933 | pop esi ecx ebx |
1936 | pop esi ecx ebx |
1934 | ret |
1937 | ret |
1935 | 1938 | ||
1936 | 1939 | ||
1937 | ;-----------------------------------------------------------------; |
1940 | ;-----------------------------------------------------------------; |
1938 | ; ; |
1941 | ; ; |
1939 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1942 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1940 | ; into the list. Newly created socket is initialized with calling ; |
1943 | ; into the list. Newly created socket is initialized with calling ; |
1941 | ; PID and given a socket number. ; |
1944 | ; PID and given a socket number. ; |
1942 | ; ; |
1945 | ; ; |
1943 | ; IN: / ; |
1946 | ; IN: / ; |
1944 | ; ; |
1947 | ; ; |
1945 | ; OUT: eax = socket ptr on success ; |
1948 | ; OUT: eax = socket ptr on success ; |
1946 | ; eax = 0 on error ; |
1949 | ; eax = 0 on error ; |
1947 | ; edi = socket number on success ; |
1950 | ; edi = socket number on success ; |
1948 | ; ; |
1951 | ; ; |
1949 | ;-----------------------------------------------------------------; |
1952 | ;-----------------------------------------------------------------; |
1950 | align 4 |
1953 | align 4 |
1951 | socket_alloc: |
1954 | socket_alloc: |
1952 | 1955 | ||
1953 | push ebx |
1956 | push ebx |
1954 | 1957 | ||
1955 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
1958 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
1956 | or eax, eax |
1959 | or eax, eax |
1957 | jz .nomem |
1960 | jz .nomem |
1958 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
1961 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
1959 | 1962 | ||
1960 | ; zero-initialize allocated memory |
1963 | ; zero-initialize allocated memory |
1961 | push eax |
1964 | push eax |
1962 | mov edi, eax |
1965 | mov edi, eax |
1963 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
1966 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
1964 | xor eax, eax |
1967 | xor eax, eax |
1965 | rep stosd |
1968 | rep stosd |
1966 | pop eax |
1969 | pop eax |
1967 | 1970 | ||
1968 | ; set send-and receive procedures to return -1 |
1971 | ; set send-and receive procedures to return -1 |
1969 | mov [eax + SOCKET.snd_proc], .not_yet |
1972 | mov [eax + SOCKET.snd_proc], .not_yet |
1970 | mov [eax + SOCKET.rcv_proc], .not_yet |
1973 | mov [eax + SOCKET.rcv_proc], .not_yet |
1971 | 1974 | ||
1972 | pusha |
1975 | pusha |
1973 | mov ecx, socket_mutex |
1976 | mov ecx, socket_mutex |
1974 | call mutex_lock |
1977 | call mutex_lock |
1975 | popa |
1978 | popa |
1976 | 1979 | ||
1977 | ; find first free socket number and use it |
1980 | ; find first free socket number and use it |
1978 | mov edi, [last_socket_num] |
1981 | mov edi, [last_socket_num] |
1979 | .next_socket_number: |
1982 | .next_socket_number: |
1980 | inc edi |
1983 | inc edi |
1981 | jz .next_socket_number ; avoid socket nr 0 |
1984 | jz .next_socket_number ; avoid socket nr 0 |
1982 | cmp edi, -1 |
1985 | cmp edi, -1 |
1983 | je .next_socket_number ; avoid socket nr -1 |
1986 | je .next_socket_number ; avoid socket nr -1 |
1984 | mov ebx, net_sockets |
1987 | mov ebx, net_sockets |
1985 | .next_socket: |
1988 | .next_socket: |
1986 | mov ebx, [ebx + SOCKET.NextPtr] |
1989 | mov ebx, [ebx + SOCKET.NextPtr] |
1987 | test ebx, ebx |
1990 | test ebx, ebx |
1988 | jz .last_socket |
1991 | jz .last_socket |
1989 | 1992 | ||
1990 | cmp [ebx + SOCKET.Number], edi |
1993 | cmp [ebx + SOCKET.Number], edi |
1991 | jne .next_socket |
1994 | jne .next_socket |
1992 | jmp .next_socket_number |
1995 | jmp .next_socket_number |
1993 | 1996 | ||
1994 | .last_socket: |
1997 | .last_socket: |
1995 | mov [last_socket_num], edi |
1998 | mov [last_socket_num], edi |
1996 | mov [eax + SOCKET.Number], edi |
1999 | mov [eax + SOCKET.Number], edi |
1997 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
2000 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
1998 | 2001 | ||
1999 | ; Fill in PID |
2002 | ; Fill in PID |
2000 | mov ebx, [TASK_BASE] |
2003 | mov ebx, [TASK_BASE] |
2001 | mov ebx, [ebx + TASKDATA.pid] |
2004 | mov ebx, [ebx + TASKDATA.pid] |
2002 | mov [eax + SOCKET.PID], ebx |
2005 | mov [eax + SOCKET.PID], ebx |
2003 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
2006 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
2004 | 2007 | ||
2005 | ; init mutex |
2008 | ; init mutex |
2006 | pusha |
2009 | pusha |
2007 | lea ecx, [eax + SOCKET.mutex] |
2010 | lea ecx, [eax + SOCKET.mutex] |
2008 | call mutex_init |
2011 | call mutex_init |
2009 | popa |
2012 | popa |
2010 | 2013 | ||
2011 | ; add socket to the list by re-arranging some pointers |
2014 | ; add socket to the list by re-arranging some pointers |
2012 | mov ebx, [net_sockets + SOCKET.NextPtr] |
2015 | mov ebx, [net_sockets + SOCKET.NextPtr] |
2013 | 2016 | ||
2014 | mov [eax + SOCKET.PrevPtr], net_sockets |
2017 | mov [eax + SOCKET.PrevPtr], net_sockets |
2015 | mov [eax + SOCKET.NextPtr], ebx |
2018 | mov [eax + SOCKET.NextPtr], ebx |
2016 | 2019 | ||
2017 | test ebx, ebx |
2020 | test ebx, ebx |
2018 | jz @f |
2021 | jz @f |
2019 | 2022 | ||
2020 | pusha |
2023 | pusha |
2021 | lea ecx, [ebx + SOCKET.mutex] |
2024 | lea ecx, [ebx + SOCKET.mutex] |
2022 | call mutex_lock |
2025 | call mutex_lock |
2023 | popa |
2026 | popa |
2024 | 2027 | ||
2025 | mov [ebx + SOCKET.PrevPtr], eax |
2028 | mov [ebx + SOCKET.PrevPtr], eax |
2026 | 2029 | ||
2027 | pusha |
2030 | pusha |
2028 | lea ecx, [ebx + SOCKET.mutex] |
2031 | lea ecx, [ebx + SOCKET.mutex] |
2029 | call mutex_unlock |
2032 | call mutex_unlock |
2030 | popa |
2033 | popa |
2031 | @@: |
2034 | @@: |
2032 | 2035 | ||
2033 | mov [net_sockets + SOCKET.NextPtr], eax |
2036 | mov [net_sockets + SOCKET.NextPtr], eax |
2034 | 2037 | ||
2035 | pusha |
2038 | pusha |
2036 | mov ecx, socket_mutex |
2039 | mov ecx, socket_mutex |
2037 | call mutex_unlock |
2040 | call mutex_unlock |
2038 | popa |
2041 | popa |
2039 | pop ebx |
2042 | pop ebx |
2040 | 2043 | ||
2041 | ret |
2044 | ret |
2042 | 2045 | ||
2043 | .nomem: |
2046 | .nomem: |
2044 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
2047 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
2045 | pop ebx |
2048 | pop ebx |
2046 | ret |
2049 | ret |
2047 | 2050 | ||
2048 | .not_yet: |
2051 | .not_yet: |
2049 | mov dword[esp+20], ENOTCONN |
2052 | mov dword[esp+20], ENOTCONN |
2050 | mov dword[esp+32], -1 |
2053 | mov dword[esp+32], -1 |
2051 | ret |
2054 | ret |
2052 | 2055 | ||
2053 | 2056 | ||
2054 | ;-----------------------------------------------------------------; |
2057 | ;-----------------------------------------------------------------; |
2055 | ; ; |
2058 | ; ; |
2056 | ; socket_free: Free socket data memory and remove socket from ; |
2059 | ; socket_free: Free socket data memory and remove socket from ; |
2057 | ; the list. Caller should lock and unlock socket_mutex. ; |
2060 | ; the list. Caller should lock and unlock socket_mutex. ; |
2058 | ; ; |
2061 | ; ; |
2059 | ; IN: eax = socket ptr ; |
2062 | ; IN: eax = socket ptr ; |
2060 | ; ; |
2063 | ; ; |
2061 | ; OUT: / ; |
2064 | ; OUT: / ; |
2062 | ; ; |
2065 | ; ; |
2063 | ;-----------------------------------------------------------------; |
2066 | ;-----------------------------------------------------------------; |
2064 | align 4 |
2067 | align 4 |
2065 | socket_free: |
2068 | socket_free: |
2066 | 2069 | ||
2067 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
2070 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
2068 | 2071 | ||
2069 | call socket_check |
2072 | call socket_check |
2070 | jz .error |
2073 | jz .error |
2071 | 2074 | ||
2072 | push ebx |
2075 | push ebx |
2073 | 2076 | ||
2074 | pusha |
2077 | pusha |
2075 | lea ecx, [eax + SOCKET.mutex] |
2078 | lea ecx, [eax + SOCKET.mutex] |
2076 | call mutex_lock |
2079 | call mutex_lock |
2077 | popa |
2080 | popa |
2078 | 2081 | ||
2079 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2082 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2080 | jne .no_stream |
2083 | jne .no_stream |
2081 | 2084 | ||
2082 | mov ebx, eax |
2085 | mov ebx, eax |
2083 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2086 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2084 | je @f |
2087 | je @f |
2085 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
2088 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
2086 | @@: |
2089 | @@: |
2087 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
2090 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
2088 | je @f |
2091 | je @f |
2089 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
2092 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
2090 | @@: |
2093 | @@: |
2091 | mov eax, ebx |
2094 | mov eax, ebx |
2092 | .no_stream: |
2095 | .no_stream: |
2093 | 2096 | ||
2094 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
2097 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
2095 | push eax ; this will be passed to kernel_free |
2098 | push eax ; this will be passed to kernel_free |
2096 | mov ebx, [eax + SOCKET.NextPtr] |
2099 | mov ebx, [eax + SOCKET.NextPtr] |
2097 | mov eax, [eax + SOCKET.PrevPtr] |
2100 | mov eax, [eax + SOCKET.PrevPtr] |
2098 | 2101 | ||
2099 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
2102 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
2100 | 2103 | ||
2101 | test eax, eax |
2104 | test eax, eax |
2102 | jz @f |
2105 | jz @f |
2103 | mov [eax + SOCKET.NextPtr], ebx |
2106 | mov [eax + SOCKET.NextPtr], ebx |
2104 | @@: |
2107 | @@: |
2105 | 2108 | ||
2106 | test ebx, ebx |
2109 | test ebx, ebx |
2107 | jz @f |
2110 | jz @f |
2108 | mov [ebx + SOCKET.PrevPtr], eax |
2111 | mov [ebx + SOCKET.PrevPtr], eax |
2109 | @@: |
2112 | @@: |
2110 | 2113 | ||
2111 | call kernel_free |
2114 | call kernel_free |
2112 | pop ebx |
2115 | pop ebx |
2113 | 2116 | ||
2114 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2117 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2115 | 2118 | ||
2116 | .error: |
2119 | .error: |
2117 | ret |
2120 | ret |
2118 | 2121 | ||
2119 | .error1: |
2122 | .error1: |
2120 | pop ebx |
2123 | pop ebx |
2121 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
2124 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
2122 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2125 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2123 | ret |
2126 | ret |
2124 | 2127 | ||
2125 | ;-----------------------------------------------------------------; |
2128 | ;-----------------------------------------------------------------; |
2126 | ; ; |
2129 | ; ; |
2127 | ; socket_fork: Create a child socket. ; |
2130 | ; socket_fork: Create a child socket. ; |
2128 | ; ; |
2131 | ; ; |
2129 | ; IN: ebx = socket number ; |
2132 | ; IN: ebx = socket number ; |
2130 | ; ; |
2133 | ; ; |
2131 | ; OUT: eax = child socket number on success ; |
2134 | ; OUT: eax = child socket number on success ; |
2132 | ; eax = 0 on error ; |
2135 | ; eax = 0 on error ; |
2133 | ; ; |
2136 | ; ; |
2134 | ;-----------------------------------------------------------------; |
2137 | ;-----------------------------------------------------------------; |
2135 | align 4 |
2138 | align 4 |
2136 | socket_fork: |
2139 | socket_fork: |
2137 | 2140 | ||
2138 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
2141 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
2139 | 2142 | ||
2140 | ; Exit if backlog queue is full |
2143 | ; Exit if backlog queue is full |
2141 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
2144 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
2142 | cmp ax, [ebx + SOCKET.backlog] |
2145 | cmp ax, [ebx + SOCKET.backlog] |
2143 | jae .fail |
2146 | jae .fail |
2144 | 2147 | ||
2145 | ; Allocate new socket |
2148 | ; Allocate new socket |
2146 | push ebx |
2149 | push ebx |
2147 | call socket_alloc |
2150 | call socket_alloc |
2148 | pop ebx |
2151 | pop ebx |
2149 | test eax, eax |
2152 | test eax, eax |
2150 | jz .fail |
2153 | jz .fail |
2151 | 2154 | ||
2152 | push eax |
2155 | push eax |
2153 | mov esi, esp |
2156 | mov esi, esp |
2154 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
2157 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
2155 | pop eax |
2158 | pop eax |
2156 | 2159 | ||
2157 | ; Copy structure from current socket to new |
2160 | ; Copy structure from current socket to new |
2158 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2161 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2159 | ; TID will be filled in later |
2162 | ; TID will be filled in later |
2160 | lea esi, [ebx + SOCKET.PID] |
2163 | lea esi, [ebx + SOCKET.PID] |
2161 | lea edi, [eax + SOCKET.PID] |
2164 | lea edi, [eax + SOCKET.PID] |
2162 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
2165 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
2163 | rep movsd |
2166 | rep movsd |
2164 | 2167 | ||
2165 | and [eax + SOCKET.options], not SO_ACCEPTCON |
2168 | and [eax + SOCKET.options], not SO_ACCEPTCON |
2166 | 2169 | ||
2167 | ; Notify owner of parent socket |
2170 | ; Notify owner of parent socket |
2168 | push eax |
2171 | push eax |
2169 | mov eax, ebx |
2172 | mov eax, ebx |
2170 | call socket_notify |
2173 | call socket_notify |
2171 | pop eax |
2174 | pop eax |
2172 | 2175 | ||
2173 | ret |
2176 | ret |
2174 | 2177 | ||
2175 | .fail2: |
2178 | .fail2: |
2176 | add esp, 4+4+4 |
2179 | add esp, 4+4+4 |
2177 | .fail: |
2180 | .fail: |
2178 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
2181 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
2179 | xor eax, eax |
2182 | xor eax, eax |
2180 | ret |
2183 | ret |
2181 | 2184 | ||
2182 | 2185 | ||
2183 | ;-----------------------------------------------------------------; |
2186 | ;-----------------------------------------------------------------; |
2184 | ; ; |
2187 | ; ; |
2185 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
2188 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
2186 | ; ; |
2189 | ; ; |
2187 | ; IN: ecx = socket number ; |
2190 | ; IN: ecx = socket number ; |
2188 | ; ; |
2191 | ; ; |
2189 | ; OUT: eax = socket ptr ; |
2192 | ; OUT: eax = socket ptr ; |
2190 | ; eax = 0 on error ; |
2193 | ; eax = 0 on error ; |
2191 | ; ; |
2194 | ; ; |
2192 | ;-----------------------------------------------------------------; |
2195 | ;-----------------------------------------------------------------; |
2193 | align 4 |
2196 | align 4 |
2194 | socket_num_to_ptr: |
2197 | socket_num_to_ptr: |
2195 | 2198 | ||
2196 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
2199 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
2197 | 2200 | ||
2198 | pusha |
2201 | pusha |
2199 | mov ecx, socket_mutex |
2202 | mov ecx, socket_mutex |
2200 | call mutex_lock |
2203 | call mutex_lock |
2201 | popa |
2204 | popa |
2202 | 2205 | ||
2203 | mov eax, net_sockets |
2206 | mov eax, net_sockets |
2204 | .next_socket: |
2207 | .next_socket: |
2205 | mov eax, [eax + SOCKET.NextPtr] |
2208 | mov eax, [eax + SOCKET.NextPtr] |
2206 | test eax, eax |
2209 | test eax, eax |
2207 | jz .error |
2210 | jz .error |
2208 | cmp [eax + SOCKET.Number], ecx |
2211 | cmp [eax + SOCKET.Number], ecx |
2209 | jne .next_socket |
2212 | jne .next_socket |
2210 | 2213 | ||
2211 | pusha |
2214 | pusha |
2212 | mov ecx, socket_mutex |
2215 | mov ecx, socket_mutex |
2213 | call mutex_unlock |
2216 | call mutex_unlock |
2214 | popa |
2217 | popa |
2215 | 2218 | ||
2216 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
2219 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
2217 | ret |
2220 | ret |
2218 | 2221 | ||
2219 | .error: |
2222 | .error: |
2220 | pusha |
2223 | pusha |
2221 | mov ecx, socket_mutex |
2224 | mov ecx, socket_mutex |
2222 | call mutex_unlock |
2225 | call mutex_unlock |
2223 | popa |
2226 | popa |
2224 | 2227 | ||
2225 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2228 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2226 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
2229 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
2227 | ret |
2230 | ret |
2228 | 2231 | ||
2229 | 2232 | ||
2230 | ;-----------------------------------------------------------------; |
2233 | ;-----------------------------------------------------------------; |
2231 | ; ; |
2234 | ; ; |
2232 | ; socket_ptr_to_num: Get socket number by its address. ; |
2235 | ; socket_ptr_to_num: Get socket number by its address. ; |
2233 | ; ; |
2236 | ; ; |
2234 | ; IN: eax = socket ptr ; |
2237 | ; IN: eax = socket ptr ; |
2235 | ; ; |
2238 | ; ; |
2236 | ; OUT: eax = socket number ; |
2239 | ; OUT: eax = socket number ; |
2237 | ; eax = 0 on error ; |
2240 | ; eax = 0 on error ; |
2238 | ; ZF = set on error ; |
2241 | ; ZF = set on error ; |
2239 | ; ; |
2242 | ; ; |
2240 | ;-----------------------------------------------------------------; |
2243 | ;-----------------------------------------------------------------; |
2241 | align 4 |
2244 | align 4 |
2242 | socket_ptr_to_num: |
2245 | socket_ptr_to_num: |
2243 | 2246 | ||
2244 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
2247 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
2245 | 2248 | ||
2246 | call socket_check |
2249 | call socket_check |
2247 | jz .error |
2250 | jz .error |
2248 | 2251 | ||
2249 | mov eax, [eax + SOCKET.Number] |
2252 | mov eax, [eax + SOCKET.Number] |
2250 | 2253 | ||
2251 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
2254 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
2252 | ret |
2255 | ret |
2253 | 2256 | ||
2254 | .error: |
2257 | .error: |
2255 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
2258 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
2256 | ret |
2259 | ret |
2257 | 2260 | ||
2258 | 2261 | ||
2259 | ;-----------------------------------------------------------------; |
2262 | ;-----------------------------------------------------------------; |
2260 | ; ; |
2263 | ; ; |
2261 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
2264 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
2262 | ; ; |
2265 | ; ; |
2263 | ; IN: eax = socket ptr ; |
2266 | ; IN: eax = socket ptr ; |
2264 | ; ; |
2267 | ; ; |
2265 | ; OUT: eax = 0 on error ; |
2268 | ; OUT: eax = 0 on error ; |
2266 | ; ZF = set on error ; |
2269 | ; ZF = set on error ; |
2267 | ; ; |
2270 | ; ; |
2268 | ;-----------------------------------------------------------------; |
2271 | ;-----------------------------------------------------------------; |
2269 | align 4 |
2272 | align 4 |
2270 | socket_check: |
2273 | socket_check: |
2271 | 2274 | ||
2272 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
2275 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
2273 | 2276 | ||
2274 | test eax, eax |
2277 | test eax, eax |
2275 | jz .error |
2278 | jz .error |
2276 | push ebx |
2279 | push ebx |
2277 | mov ebx, net_sockets |
2280 | mov ebx, net_sockets |
2278 | 2281 | ||
2279 | .next_socket: |
2282 | .next_socket: |
2280 | mov ebx, [ebx + SOCKET.NextPtr] |
2283 | mov ebx, [ebx + SOCKET.NextPtr] |
2281 | or ebx, ebx |
2284 | or ebx, ebx |
2282 | jz .done |
2285 | jz .done |
2283 | cmp ebx, eax |
2286 | cmp ebx, eax |
2284 | jnz .next_socket |
2287 | jnz .next_socket |
2285 | 2288 | ||
2286 | .done: |
2289 | .done: |
2287 | mov eax, ebx |
2290 | mov eax, ebx |
2288 | test eax, eax |
2291 | test eax, eax |
2289 | pop ebx |
2292 | pop ebx |
2290 | ret |
2293 | ret |
2291 | 2294 | ||
2292 | .error: |
2295 | .error: |
2293 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
2296 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
2294 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
2297 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
2295 | ret |
2298 | ret |
2296 | 2299 | ||
2297 | 2300 | ||
2298 | 2301 | ||
2299 | ;-----------------------------------------------------------------; |
2302 | ;-----------------------------------------------------------------; |
2300 | ; ; |
2303 | ; ; |
2301 | ; socket_check_owner: Check if the caller app owns the socket. ; |
2304 | ; socket_check_owner: Check if the caller app owns the socket. ; |
2302 | ; ; |
2305 | ; ; |
2303 | ; IN: eax = socket ptr ; |
2306 | ; IN: eax = socket ptr ; |
2304 | ; ; |
2307 | ; ; |
2305 | ; OUT: ZF = true/false ; |
2308 | ; OUT: ZF = true/false ; |
2306 | ; ; |
2309 | ; ; |
2307 | ;-----------------------------------------------------------------; |
2310 | ;-----------------------------------------------------------------; |
2308 | align 4 |
2311 | align 4 |
2309 | socket_check_owner: |
2312 | socket_check_owner: |
2310 | 2313 | ||
2311 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
2314 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
2312 | 2315 | ||
2313 | push ebx |
2316 | push ebx |
2314 | mov ebx, [TASK_BASE] |
2317 | mov ebx, [TASK_BASE] |
2315 | mov ebx, [ebx + TASKDATA.pid] |
2318 | mov ebx, [ebx + TASKDATA.pid] |
2316 | cmp [eax + SOCKET.PID], ebx |
2319 | cmp [eax + SOCKET.PID], ebx |
2317 | pop ebx |
2320 | pop ebx |
2318 | 2321 | ||
2319 | ret |
2322 | ret |
2320 | 2323 | ||
2321 | 2324 | ||
2322 | 2325 | ||
2323 | 2326 | ||
2324 | ;-----------------------------------------------------------------; |
2327 | ;-----------------------------------------------------------------; |
2325 | ; ; |
2328 | ; ; |
2326 | ; socket_process_end: Kernel calls this function when a certain ; |
2329 | ; socket_process_end: Kernel calls this function when a certain ; |
2327 | ; process ends. This function will check if the process had any ; |
2330 | ; process ends. This function will check if the process had any ; |
2328 | ; open sockets and update them accordingly (clean up). ; |
2331 | ; open sockets and update them accordingly (clean up). ; |
2329 | ; ; |
2332 | ; ; |
2330 | ; IN: edx = pid ; |
2333 | ; IN: edx = pid ; |
2331 | ; ; |
2334 | ; ; |
2332 | ; OUT: / ; |
2335 | ; OUT: / ; |
2333 | ; ; |
2336 | ; ; |
2334 | ;-----------------------------------------------------------------; |
2337 | ;-----------------------------------------------------------------; |
2335 | align 4 |
2338 | align 4 |
2336 | socket_process_end: |
2339 | socket_process_end: |
2337 | 2340 | ||
2338 | ret ; FIXME |
2341 | ret ; FIXME |
2339 | 2342 | ||
2340 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2343 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2341 | je .quickret ; nope, exit immediately |
2344 | je .quickret ; nope, exit immediately |
2342 | 2345 | ||
2343 | ; TODO: run the following code in another thread, to avoid deadlock |
2346 | ; TODO: run the following code in another thread, to avoid deadlock |
2344 | 2347 | ||
2345 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
2348 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
2346 | 2349 | ||
2347 | pusha |
2350 | pusha |
2348 | mov ecx, socket_mutex |
2351 | mov ecx, socket_mutex |
2349 | call mutex_lock |
2352 | call mutex_lock |
2350 | popa |
2353 | popa |
2351 | 2354 | ||
2352 | push ebx |
2355 | push ebx |
2353 | mov ebx, net_sockets |
2356 | mov ebx, net_sockets |
2354 | 2357 | ||
2355 | .next_socket: |
2358 | .next_socket: |
2356 | mov ebx, [ebx + SOCKET.NextPtr] |
2359 | mov ebx, [ebx + SOCKET.NextPtr] |
2357 | .next_socket_test: |
2360 | .next_socket_test: |
2358 | test ebx, ebx |
2361 | test ebx, ebx |
2359 | jz .done |
2362 | jz .done |
2360 | 2363 | ||
2361 | cmp [ebx + SOCKET.PID], edx |
2364 | cmp [ebx + SOCKET.PID], edx |
2362 | jne .next_socket |
2365 | jne .next_socket |
2363 | 2366 | ||
2364 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
2367 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
2365 | 2368 | ||
2366 | mov [ebx + SOCKET.PID], 0 |
2369 | mov [ebx + SOCKET.PID], 0 |
2367 | mov eax, ebx |
2370 | mov eax, ebx |
2368 | mov ebx, [ebx + SOCKET.NextPtr] |
2371 | mov ebx, [ebx + SOCKET.NextPtr] |
2369 | 2372 | ||
2370 | pusha |
2373 | pusha |
2371 | cmp [eax + SOCKET.Domain], AF_INET4 |
2374 | cmp [eax + SOCKET.Domain], AF_INET4 |
2372 | jne .free |
2375 | jne .free |
2373 | 2376 | ||
2374 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
2377 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
2375 | jne .free |
2378 | jne .free |
2376 | 2379 | ||
2377 | call tcp_disconnect |
2380 | call tcp_disconnect |
2378 | jmp .closed |
2381 | jmp .closed |
2379 | 2382 | ||
2380 | .free: |
2383 | .free: |
2381 | call socket_free |
2384 | call socket_free |
2382 | 2385 | ||
2383 | .closed: |
2386 | .closed: |
2384 | popa |
2387 | popa |
2385 | jmp .next_socket_test |
2388 | jmp .next_socket_test |
2386 | 2389 | ||
2387 | .done: |
2390 | .done: |
2388 | pop ebx |
2391 | pop ebx |
2389 | 2392 | ||
2390 | pusha |
2393 | pusha |
2391 | mov ecx, socket_mutex |
2394 | mov ecx, socket_mutex |
2392 | call mutex_unlock |
2395 | call mutex_unlock |
2393 | popa |
2396 | popa |
2394 | 2397 | ||
2395 | .quickret: |
2398 | .quickret: |
2396 | ret |
2399 | ret |
2397 | 2400 | ||
2398 | 2401 | ||
2399 | 2402 | ||
2400 | 2403 | ||
2401 | ;-----------------------------------------------------------------; |
2404 | ;-----------------------------------------------------------------; |
2402 | ; ; |
2405 | ; ; |
2403 | ; socket_is_connecting: Update socket state. ; |
2406 | ; socket_is_connecting: Update socket state. ; |
2404 | ; ; |
2407 | ; ; |
2405 | ; IN: eax = socket ptr ; |
2408 | ; IN: eax = socket ptr ; |
2406 | ; ; |
2409 | ; ; |
2407 | ; OUT: / ; |
2410 | ; OUT: / ; |
2408 | ; ; |
2411 | ; ; |
2409 | ;-----------------------------------------------------------------; |
2412 | ;-----------------------------------------------------------------; |
2410 | align 4 |
2413 | align 4 |
2411 | socket_is_connecting: |
2414 | socket_is_connecting: |
2412 | 2415 | ||
2413 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
2416 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
2414 | 2417 | ||
2415 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2418 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2416 | or [eax + SOCKET.state], SS_ISCONNECTING |
2419 | or [eax + SOCKET.state], SS_ISCONNECTING |
2417 | ret |
2420 | ret |
2418 | 2421 | ||
2419 | 2422 | ||
2420 | 2423 | ||
2421 | ;-----------------------------------------------------------------; |
2424 | ;-----------------------------------------------------------------; |
2422 | ; ; |
2425 | ; ; |
2423 | ; socket_is_connected: Update socket state. ; |
2426 | ; socket_is_connected: Update socket state. ; |
2424 | ; ; |
2427 | ; ; |
2425 | ; IN: eax = socket ptr ; |
2428 | ; IN: eax = socket ptr ; |
2426 | ; ; |
2429 | ; ; |
2427 | ; OUT: / ; |
2430 | ; OUT: / ; |
2428 | ; ; |
2431 | ; ; |
2429 | ;-----------------------------------------------------------------; |
2432 | ;-----------------------------------------------------------------; |
2430 | align 4 |
2433 | align 4 |
2431 | socket_is_connected: |
2434 | socket_is_connected: |
2432 | 2435 | ||
2433 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
2436 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
2434 | 2437 | ||
2435 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2438 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2436 | or [eax + SOCKET.state], SS_ISCONNECTED |
2439 | or [eax + SOCKET.state], SS_ISCONNECTED |
2437 | jmp socket_notify |
2440 | jmp socket_notify |
2438 | 2441 | ||
2439 | 2442 | ||
2440 | 2443 | ||
2441 | 2444 | ||
2442 | ;-----------------------------------------------------------------; |
2445 | ;-----------------------------------------------------------------; |
2443 | ; ; |
2446 | ; ; |
2444 | ; socket_is_disconnecting: Update socket state. ; |
2447 | ; socket_is_disconnecting: Update socket state. ; |
2445 | ; ; |
2448 | ; ; |
2446 | ; IN: eax = socket ptr ; |
2449 | ; IN: eax = socket ptr ; |
2447 | ; ; |
2450 | ; ; |
2448 | ; OUT: / ; |
2451 | ; OUT: / ; |
2449 | ; ; |
2452 | ; ; |
2450 | ;-----------------------------------------------------------------; |
2453 | ;-----------------------------------------------------------------; |
2451 | align 4 |
2454 | align 4 |
2452 | socket_is_disconnecting: |
2455 | socket_is_disconnecting: |
2453 | 2456 | ||
2454 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
2457 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
2455 | 2458 | ||
2456 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2459 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2457 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
2460 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
2458 | jmp socket_notify |
2461 | jmp socket_notify |
2459 | 2462 | ||
2460 | 2463 | ||
2461 | 2464 | ||
2462 | ;-----------------------------------------------------------------; |
2465 | ;-----------------------------------------------------------------; |
2463 | ; ; |
2466 | ; ; |
2464 | ; socket_is_disconnected: Update socket state. ; |
2467 | ; socket_is_disconnected: Update socket state. ; |
2465 | ; ; |
2468 | ; ; |
2466 | ; IN: eax = socket ptr ; |
2469 | ; IN: eax = socket ptr ; |
2467 | ; ; |
2470 | ; ; |
2468 | ; OUT: / ; |
2471 | ; OUT: / ; |
2469 | ; ; |
2472 | ; ; |
2470 | ;-----------------------------------------------------------------; |
2473 | ;-----------------------------------------------------------------; |
2471 | align 4 |
2474 | align 4 |
2472 | socket_is_disconnected: |
2475 | socket_is_disconnected: |
2473 | 2476 | ||
2474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
2477 | DEBUGF 1, "SOCKET_is_disconnected: %x\n", eax |
2475 | 2478 | ||
2476 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2479 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2477 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
2480 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
2478 | jmp socket_notify |
2481 | jmp socket_notify |
2479 | 2482 | ||
2480 | 2483 | ||
2481 | 2484 | ||
2482 | ;-----------------------------------------------------------------; |
2485 | ;-----------------------------------------------------------------; |
2483 | ; ; |
2486 | ; ; |
2484 | ; socket_cant_recv_more: Update socket state. ; |
2487 | ; socket_cant_recv_more: Update socket state. ; |
2485 | ; ; |
2488 | ; ; |
2486 | ; IN: eax = socket ptr ; |
2489 | ; IN: eax = socket ptr ; |
2487 | ; ; |
2490 | ; ; |
2488 | ; OUT: / ; |
2491 | ; OUT: / ; |
2489 | ; ; |
2492 | ; ; |
2490 | ;-----------------------------------------------------------------; |
2493 | ;-----------------------------------------------------------------; |
2491 | align 4 |
2494 | align 4 |
2492 | socket_cant_recv_more: |
2495 | socket_cant_recv_more: |
2493 | 2496 | ||
2494 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
2497 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
2495 | 2498 | ||
2496 | or [eax + SOCKET.state], SS_CANTRCVMORE |
2499 | or [eax + SOCKET.state], SS_CANTRCVMORE |
2497 | jmp socket_notify |
2500 | jmp socket_notify |
2498 | 2501 | ||
2499 | 2502 | ||
2500 | 2503 | ||
2501 | ;-----------------------------------------------------------------; |
2504 | ;-----------------------------------------------------------------; |
2502 | ; ; |
2505 | ; ; |
2503 | ; socket_cant_send_more: Update socket state. ; |
2506 | ; socket_cant_send_more: Update socket state. ; |
2504 | ; ; |
2507 | ; ; |
2505 | ; IN: eax = socket ptr ; |
2508 | ; IN: eax = socket ptr ; |
2506 | ; ; |
2509 | ; ; |
2507 | ; OUT: / ; |
2510 | ; OUT: / ; |
2508 | ; ; |
2511 | ; ; |
2509 | ;-----------------------------------------------------------------; |
2512 | ;-----------------------------------------------------------------; |
2510 | align 4 |
2513 | align 4 |
2511 | socket_cant_send_more: |
2514 | socket_cant_send_more: |
2512 | 2515 | ||
2513 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
2516 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
2514 | 2517 | ||
2515 | or [eax + SOCKET.state], SS_CANTSENDMORE |
2518 | or [eax + SOCKET.state], SS_CANTSENDMORE |
2516 | mov [eax + SOCKET.snd_proc], .notconn |
2519 | mov [eax + SOCKET.snd_proc], .notconn |
2517 | jmp socket_notify |
2520 | jmp socket_notify |
2518 | 2521 | ||
2519 | .notconn: |
2522 | .notconn: |
2520 | mov dword[esp+20], ENOTCONN |
2523 | mov dword[esp+20], ENOTCONN |
2521 | mov dword[esp+32], -1 |
2524 | mov dword[esp+32], -1 |
2522 | ret |
2525 | ret |