1 | /* |
1 | /* |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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6 | * |
5 | * |
7 | * Deliantra is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
8 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
9 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | * (at your option) any later version. |
9 | * option) any later version. |
11 | * |
10 | * |
12 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
16 | * |
15 | * |
17 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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|
18 | * <http://www.gnu.org/licenses/>. |
19 | * |
19 | * |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
21 | */ |
21 | */ |
22 | |
22 | |
23 | using namespace std; |
23 | using namespace std; |
24 | |
24 | |
… | |
… | |
48 | * |
48 | * |
49 | * When the socket is clear to write, and we have backlogged data, this |
49 | * When the socket is clear to write, and we have backlogged data, this |
50 | * is called to write it out. |
50 | * is called to write it out. |
51 | */ |
51 | */ |
52 | |
52 | |
53 | // write a nop to the socket at least every IDLE_NOP seconds. |
53 | // write a nop to the socket at least every IDLE_PING seconds. |
54 | if (!outputbuffer.len) |
54 | if (!outputbuffer.len) |
55 | { |
55 | { |
56 | if (last_send + IDLE_PING <= NOW && pl && pl->active) |
56 | if (last_send + IDLE_PING <= NOW && pl && pl->active) |
57 | { |
57 | { |
58 | // this is a bit ugly, but map1/map1a seem to be the only |
58 | // this is a bit ugly, but map1a seems to be the only |
59 | // nop'able commands and they are quite small. |
59 | // nop'able command and it is quite small. |
60 | packet sl (mapmode == Map1Cmd ? "map1" : "map1a"); |
60 | packet sl ("map1a"); |
61 | send_packet (sl); |
61 | send_packet (sl); |
62 | } |
62 | } |
63 | else |
63 | else |
64 | return; |
64 | return; |
65 | } |
65 | } |
… | |
… | |
132 | if (inbuf_len >= 2 + pkt_len) |
132 | if (inbuf_len >= 2 + pkt_len) |
133 | return 2 + pkt_len; |
133 | return 2 + pkt_len; |
134 | |
134 | |
135 | if (inbuf_len == sizeof (inbuf)) |
135 | if (inbuf_len == sizeof (inbuf)) |
136 | { |
136 | { |
137 | send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED | NDI_REPLY); |
137 | send_packet_printf ("msg %d 0 input buffer overflow - closing connection.", NDI_RED | NDI_REPLY); |
138 | destroy (); |
138 | destroy (); |
139 | return -1; |
139 | return -1; |
140 | } |
140 | } |
141 | } |
141 | } |
142 | |
142 | |
… | |
… | |
157 | |
157 | |
158 | // SocketCommand, PlayingCommand, should not exist with those ugly casts |
158 | // SocketCommand, PlayingCommand, should not exist with those ugly casts |
159 | #define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb), |
159 | #define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb), |
160 | #define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER | |
160 | #define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER | |
161 | |
161 | |
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162 | static void |
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163 | NopCmd (char *, int, client *) |
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|
164 | { |
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165 | // do nothing |
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166 | } |
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167 | |
162 | /** |
168 | /** |
163 | * Dispatch table for the server. |
169 | * Dispatch table for the server. |
164 | */ |
170 | */ |
165 | static struct packet_type packets[] = { |
171 | static struct packet_type packets[] = { |
166 | {"ncom", PC(NewPlayerCmd) PF_PLAYING | PF_COMMAND6 }, |
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|
167 | {"command", PC(PlayerCmd) PF_PLAYING | PF_COMMAND0 }, |
172 | {"command", PC(PlayerCmd) PF_PLAYING | PF_COMMAND }, |
168 | |
173 | |
169 | {"examine", PC(ExamineCmd) PF_PLAYING }, |
174 | {"examine", PC(ExamineCmd) PF_PLAYING }, |
170 | {"ex", PC(ExCmd) PF_PLAYING }, |
175 | {"ex", PC(ExCmd) PF_PLAYING }, |
171 | {"apply", PC(ApplyCmd) PF_PLAYING }, |
176 | {"apply", PC(ApplyCmd) PF_PLAYING }, |
172 | {"lookat", PC(LookAt) PF_PLAYING }, |
177 | {"lookat", PC(LookAt) PF_PLAYING }, |
173 | {"lock", PC(LockItem) PF_PLAYING }, |
178 | {"lock", PC(LockItem) PF_PLAYING }, |
174 | {"mark", PC(MarkItem) PF_PLAYING }, |
179 | {"mark", PC(MarkItem) PF_PLAYING }, |
175 | {"move", PC(MoveCmd) PF_PLAYING }, |
180 | {"move", PC(MoveCmd) PF_PLAYING }, |
176 | {"ext", PC(ExtCmd) 0 }, // CF+ |
181 | {"ext", PC(ExtCmd) 0 }, // CF+/Deliantra |
177 | {"mapredraw", PC(MapRedrawCmd) 0 }, |
182 | {"mapredraw", PC(MapRedrawCmd) 0 }, |
178 | {"mapinfo", PC(MapInfoCmd) 0 }, // CF+ |
183 | {"mapinfo", PC(MapInfoCmd) 0 }, // CF+/Deliantra |
179 | |
184 | |
180 | {"reply", SC(ReplyCmd) 0 }, |
185 | {"reply", SC(ReplyCmd) 0 }, |
181 | {"exti", SC(ExtiCmd) 0 }, // CF+ |
186 | {"exti", SC(ExtiCmd) 0 }, // CF+/Deliantra |
182 | {"addme", SC(AddMeCmd) 0 }, |
187 | {"addme", SC(AddMeCmd) 0 }, |
183 | {"askface", SC(AskFaceCmd) 0 }, |
188 | {"askface", SC(AskFaceCmd) 0 }, |
184 | {"requestinfo", SC(RequestInfo) 0 }, |
189 | {"requestinfo", SC(RequestInfo) 0 }, |
185 | {"setfacemode", SC(SetFaceMode) 0 }, |
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|
186 | {"setsound", SC(SetSound) 0 }, |
190 | {"setsound", SC(SetSound) 0 }, |
187 | {"setup", SC(SetUp) 0 }, |
191 | {"setup", SC(SetUp) 0 }, |
188 | {"version", SC(VersionCmd) 0 }, |
192 | {"version", SC(VersionCmd) 0 }, |
189 | {"toggleextendedtext", SC(ToggleExtendedText) 0 }, /*Added: tchize */ |
193 | |
190 | {"asksmooth", SC(AskSmooth) 0 }, /*Added: tchize (smoothing technologies) */ |
194 | {"toggleextendedtext", SC(NopCmd) 0 }, // deliantra: disabled |
191 | }; |
195 | }; |
192 | |
196 | |
193 | bool |
197 | bool |
194 | client::may_execute (const packet_type *pkt) const |
198 | client::may_execute (const packet_type *pkt) const |
195 | { |
199 | { |
196 | return (!(pkt->flags & PF_PLAYER) || pl) |
200 | return (!(pkt->flags & PF_PLAYER) || pl) |
197 | && (!(pkt->flags & PF_PLAYING) || state == ST_PLAYING); |
201 | && (!(pkt->flags & PF_PLAYING) || state == ST_PLAYING); |
198 | } |
202 | } |
199 | |
203 | |
200 | // HACK: some commands currently should be executed |
204 | // HACK: some commands currently should be executed |
201 | // even when the player is frozen. this hack detects |
205 | // even when the player is frozen. this hack detects |
202 | // those commands. it should be folded into may_execute, |
206 | // those commands. it should be folded into may_execute, |
203 | // but kept seperate to emphasise the hack aspect, i.e. |
207 | // but kept seperate to emphasise the hack aspect, i.e. |
204 | // do it better, then remove. |
208 | // do it better, then remove. |
205 | static bool |
209 | static bool |
206 | always_immediate (const client *ns, const packet_type *pkt, const char *data, int len) |
210 | always_immediate (const client *ns, const packet_type *pkt, const char *data, int len) |
207 | { |
211 | { |
208 | if (!(pkt->flags & (PF_COMMAND0 | PF_COMMAND6))) |
212 | if (!(pkt->flags & PF_COMMAND)) |
209 | return false; |
213 | return false; |
210 | |
214 | |
211 | if (!ns->pl || !ns->pl->ob || !ns->pl->ob->map) |
215 | if (!ns->pl || !ns->pl->ob || !ns->pl->ob->map) |
212 | return false; |
216 | return false; |
213 | |
217 | |
214 | if (pkt->flags & PF_COMMAND6) |
|
|
215 | { |
|
|
216 | data += 6; |
|
|
217 | len -= 6; |
|
|
218 | } |
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219 | |
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|
220 | if (len > 4 && data [3] == ' ' && !strncmp (data, "say " , 4)) return true; |
218 | if (len > 4 && data [ 3] == ' ' && !strncmp (data, "say " , 4)) return true; |
221 | if (len > 5 && data [4] == ' ' && !strncmp (data, "chat " , 5)) return true; |
219 | if (len > 5 && data [ 4] == ' ' && !strncmp (data, "chat " , 5)) return true; |
222 | if (len > 6 && data [5] == ' ' && !strncmp (data, "shout ", 6)) return true; |
220 | if (len > 6 && data [ 5] == ' ' && !strncmp (data, "shout " , 6)) return true; |
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221 | if (len > 8 && data [ 7] == ' ' && !strncmp (data, "suicide " , 8)) return true; |
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222 | if (len > 18 && data [17] == ' ' && !strncmp (data, "accept-invitation ", 18)) return true; |
223 | |
223 | |
224 | if (len == 7 && !strcmp (data, "suicide")) return true; |
224 | if (len == 7 && !strcmp (data, "suicide")) return true; |
225 | |
225 | |
226 | return false; |
226 | return false; |
227 | } |
227 | } |
… | |
… | |
231 | { |
231 | { |
232 | if (may_execute (pkt) || always_immediate (this, pkt, data, datalen)) |
232 | if (may_execute (pkt) || always_immediate (this, pkt, data, datalen)) |
233 | { |
233 | { |
234 | //TODO: only one format |
234 | //TODO: only one format |
235 | if (pkt->flags & PF_PLAYER) |
235 | if (pkt->flags & PF_PLAYER) |
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|
236 | { |
236 | ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); |
237 | ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); |
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238 | pl->need_updated_stats (); |
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239 | } |
237 | else |
240 | else |
238 | ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); |
241 | ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); |
239 | } |
242 | } |
240 | else |
243 | else |
241 | send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name); |
244 | send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name); |
… | |
… | |
254 | pl && pl->ob ? &pl->ob->name : "[anonymous]"); |
257 | pl && pl->ob ? &pl->ob->name : "[anonymous]"); |
255 | destroy (); |
258 | destroy (); |
256 | return false; |
259 | return false; |
257 | } |
260 | } |
258 | |
261 | |
|
|
262 | uint8_t save_byte = inbuf [pkt_len]; // rather ugly |
259 | inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ |
263 | inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */ |
260 | |
264 | |
261 | /* First, break out beginning word. There are at least |
265 | /* First, break out beginning word. There are at least |
262 | * a few commands that do not have any paremeters. If |
266 | * a few commands that do not have any paremeters. If |
263 | * we get such a command, don't worry about trying |
267 | * we get such a command, don't worry about trying |
264 | * to break it up. |
268 | * to break it up. |
… | |
… | |
275 | { |
279 | { |
276 | data = (char *)inbuf + 2; // better read garbage than segfault |
280 | data = (char *)inbuf + 2; // better read garbage than segfault |
277 | datalen = 0; |
281 | datalen = 0; |
278 | } |
282 | } |
279 | |
283 | |
280 | for (packet_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt) |
284 | for (packet_type *pkt = packets; pkt < packets + array_length (packets); ++pkt) |
281 | if (!strcmp ((char *)inbuf + 2, pkt->name)) |
285 | if (!strcmp ((char *)inbuf + 2, pkt->name)) |
282 | { |
286 | { |
283 | if (pkt->flags & PF_PLAYER && !always_immediate (this, pkt, data, datalen)) |
287 | if (pkt->flags & PF_PLAYER && !always_immediate (this, pkt, data, datalen)) |
284 | queue_command (pkt, data, datalen); |
288 | queue_command (pkt, data, datalen); |
285 | else |
289 | else |
… | |
… | |
288 | goto next_packet; |
292 | goto next_packet; |
289 | } |
293 | } |
290 | |
294 | |
291 | // If we get here, we didn't find a valid command. |
295 | // If we get here, we didn't find a valid command. |
292 | send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); |
296 | send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); |
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297 | |
293 | next_packet: |
298 | next_packet: |
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299 | inbuf [pkt_len] = save_byte; // rather ugly |
294 | skip_packet (pkt_len); |
300 | skip_packet (pkt_len); |
295 | |
301 | |
296 | // input buffer has space again |
302 | // input buffer has space again |
297 | socket_ev.poll (socket_ev.poll () | EV_READ); |
303 | socket_ev.poll (socket_ev.poll () | EV_READ); |
298 | |
304 | |
299 | return true; |
305 | return true; |
300 | } |
306 | } |
301 | |
307 | |
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308 | void |
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309 | client::inbuf_handle () |
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310 | { |
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311 | if (!handle_packet ()) |
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312 | return; |
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313 | |
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314 | while (handle_packet ()) |
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315 | ; |
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316 | |
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317 | flush (); |
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318 | } |
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319 | |
302 | // callback called when socket is either readable or writable |
320 | // callback called when socket is either readable or writable |
303 | void |
321 | void |
304 | client::socket_cb (iow &w, int revents) |
322 | client::socket_cb (iow &w, int revents) |
305 | { |
323 | { |
306 | //TODO remove when we have better socket cleanup logic |
324 | //TODO remove when we have better socket cleanup logic |
… | |
… | |
318 | socket_ev.poll (socket_ev.poll () & ~EV_WRITE); |
336 | socket_ev.poll (socket_ev.poll () & ~EV_WRITE); |
319 | } |
337 | } |
320 | |
338 | |
321 | if (revents & EV_READ) |
339 | if (revents & EV_READ) |
322 | { |
340 | { |
323 | //TODO: rate-limit tcp connection in better ways, important |
341 | int amount; |
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342 | uint8 *rbuf; |
324 | |
343 | |
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344 | if (ws_version) |
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345 | { |
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346 | if (ws_inbuf_len + 2048 > ws_inbuf_alloc) |
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347 | ws_inbuf = (uint8 *)realloc (ws_inbuf, ws_inbuf_alloc += 4096); |
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348 | |
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349 | rbuf = ws_inbuf + ws_inbuf_len; |
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350 | amount = ws_inbuf_alloc - ws_inbuf_len; |
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351 | } |
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352 | else |
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353 | { |
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354 | rbuf = inbuf + inbuf_len; |
325 | int amount = sizeof (inbuf) - inbuf_len; |
355 | amount = sizeof (inbuf) - inbuf_len; |
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356 | } |
326 | |
357 | |
327 | if (!amount) |
358 | if (!amount) |
328 | { |
359 | { |
329 | // input buffer full |
360 | // input buffer full |
330 | socket_ev.poll (socket_ev.poll () & ~EV_READ); |
361 | LOG (llevError, "input buffer overflow."); |
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362 | destroy (); |
331 | return; |
363 | return; |
332 | } |
364 | } |
333 | |
365 | |
334 | amount = read (fd, inbuf + inbuf_len, amount); |
366 | amount = read (fd, rbuf, amount); |
335 | |
367 | |
336 | if (!amount) |
368 | if (!amount) |
337 | { |
369 | { |
338 | destroy (); |
370 | destroy (); |
339 | return; |
371 | return; |
… | |
… | |
347 | return; |
379 | return; |
348 | } |
380 | } |
349 | |
381 | |
350 | // should not be here, normally |
382 | // should not be here, normally |
351 | } |
383 | } |
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384 | |
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385 | if (ws_version) |
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386 | { |
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387 | ws_inbuf_len += amount; |
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388 | |
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389 | while (ws_inbuf_len) |
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390 | { |
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391 | if (ws_inbuf_len < 2 + 4) // 6 is minimum length: op, len, mask |
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392 | break; |
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393 | |
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394 | int d = 2; |
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395 | int fin = ws_inbuf [0] & 0x80; |
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396 | int op = ws_inbuf [0] & 0x0f; |
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397 | int len = ws_inbuf [1] & 0x7f; |
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398 | |
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399 | if (len == 126) |
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400 | { |
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401 | len = (ws_inbuf [2] << 8) | ws_inbuf [3]; |
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402 | d += 2; |
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403 | } |
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404 | else if (len == 127) |
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405 | { |
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406 | if (ws_inbuf_len < 2 + 8) |
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407 | return; |
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408 | |
|
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409 | // we don't do extra long frames, if a browser wants to send >2**32 bytes, |
|
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410 | // there are bigger issues to fix. |
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411 | len = (ws_inbuf [8] << 8) | ws_inbuf [9]; |
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412 | d += 8; |
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413 | } |
|
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414 | |
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415 | // we only continue if we have a complete frame |
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416 | if (ws_inbuf_len < d + 4 + len) |
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417 | return; |
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418 | |
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419 | switch (op) |
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420 | { |
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421 | case 0: op = ws_inbuf_type; break; // continuation |
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422 | case 1: ws_inbuf_type = 1; break; // utf-8 |
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423 | case 2: ws_inbuf_type = 2; break; // binary |
|
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424 | } |
|
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425 | |
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426 | if (len > sizeof (inbuf) - inbuf_len) |
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427 | { |
|
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428 | // input buffer full |
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429 | LOG (llevError, "input buffer overflow (ws)."); |
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430 | destroy (); |
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431 | return; |
|
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432 | } |
|
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433 | |
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434 | uint8 *buf = inbuf + inbuf_len + 2; |
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435 | |
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436 | for (int i = 0; i < len; ++i) |
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437 | buf [i] = ws_inbuf [d + 4 + i] ^ ws_inbuf [d + (i & 3)]; |
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438 | |
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439 | // remove frame |
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440 | ws_inbuf_len -= d + 4 + len; |
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441 | memmove (ws_inbuf, ws_inbuf + d + 4 + len, ws_inbuf_len); |
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442 | |
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443 | switch (op) |
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444 | { |
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445 | case 1: // utf-8 |
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446 | // utf-8 encoded frames cannot have full length (MAXSOCKBUF) in all cases |
|
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447 | // but we assume that these extra-long packets will be rare. |
|
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448 | { |
|
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449 | uint8 *a = buf; |
|
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450 | uint8 *b = a; |
|
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451 | uint8 *c = a + len; |
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452 | |
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453 | for (; a < c; ++a, ++b) |
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454 | { |
|
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455 | *b = *a; |
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456 | |
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457 | if (*a >= 0x80) |
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458 | *b = (a [0] & 0x1f) << 6 | (a [1] & 0x3f), ++a; |
|
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459 | } |
|
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460 | |
|
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461 | len -= a - b; |
|
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462 | } |
|
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463 | /* FALLTHROUGH */ |
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464 | case 2: // binary |
|
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465 | inbuf_len += len; |
|
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466 | |
|
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467 | if (fin) |
|
|
468 | { |
|
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469 | inbuf [0] = inbuf_len >> 8; |
|
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470 | inbuf [1] = inbuf_len; |
|
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471 | |
|
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472 | inbuf_len += 2; |
|
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473 | |
|
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474 | inbuf_handle (); |
|
|
475 | } |
|
|
476 | break; |
|
|
477 | |
|
|
478 | case 9: // ping |
|
|
479 | { |
|
|
480 | // send pong - we assume ping messages are <64k |
|
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481 | // as we can't handle >10k at the moment anyway. |
|
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482 | uint8 hdr [] = { 0x8a, 126, len >> 8, len }; |
|
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483 | send (hdr, sizeof (hdr)); |
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484 | send (inbuf + inbuf_len, len); |
|
|
485 | } |
|
|
486 | break; |
|
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487 | |
|
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488 | case 10: // pong |
|
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489 | break; |
|
|
490 | |
|
|
491 | case 8: // close |
|
|
492 | default: |
|
|
493 | destroy (); |
|
|
494 | return; |
|
|
495 | } |
|
|
496 | } |
|
|
497 | } |
352 | else |
498 | else |
353 | { |
499 | { |
354 | inbuf_len += amount; |
500 | inbuf_len += amount; |
355 | |
501 | inbuf_handle (); |
356 | if (handle_packet ()) |
|
|
357 | { |
|
|
358 | while (handle_packet ()) |
|
|
359 | ; |
|
|
360 | |
|
|
361 | flush (); |
|
|
362 | } |
|
|
363 | } |
502 | } |
364 | } |
503 | } |
365 | } |
504 | } |
366 | |
505 | |
367 | /******************************************************************************* |
506 | /******************************************************************************* |
… | |
… | |
437 | } |
576 | } |
438 | |
577 | |
439 | if (!sl.length ()) |
578 | if (!sl.length ()) |
440 | return; |
579 | return; |
441 | |
580 | |
|
|
581 | if (ws_version == 8) |
|
|
582 | { |
|
|
583 | static uint8 buf [MAXSOCKBUF * 2 + 4]; |
|
|
584 | |
|
|
585 | uint8 *b = buf + 4; |
|
|
586 | for (uint8 *a = sl.buf_ + sl.hdrlen; a < sl.cur; ++a) |
|
|
587 | { |
|
|
588 | if (*a < 0x80) |
|
|
589 | *b++ = *a; |
|
|
590 | else |
|
|
591 | { |
|
|
592 | *b++ = 0xc0 | ((*a >> 6) & 0x1f); |
|
|
593 | *b++ = 0x80 | ( *a & 0x3f); |
|
|
594 | } |
|
|
595 | } |
|
|
596 | |
|
|
597 | assert (b - buf < sizeof (buf)); |
|
|
598 | |
|
|
599 | int len = b - (buf + 4); |
|
|
600 | |
|
|
601 | if (len < 126) |
|
|
602 | { |
|
|
603 | buf [2] = 0x81; |
|
|
604 | buf [3] = len; |
|
|
605 | |
|
|
606 | send (buf + 2, len + 2); |
|
|
607 | } |
|
|
608 | else |
|
|
609 | { |
|
|
610 | buf [0] = 0x81; |
|
|
611 | buf [1] = 126; |
|
|
612 | buf [2] = len >> 8; |
|
|
613 | buf [3] = len; |
|
|
614 | |
|
|
615 | send (buf, len + 4); |
|
|
616 | } |
|
|
617 | } |
|
|
618 | else if (ws_version == 13) |
|
|
619 | { |
|
|
620 | int len = sl.length (); |
|
|
621 | |
|
|
622 | if (len < 126) |
|
|
623 | { |
|
|
624 | uint8 hdr [] = { 0x82, len }; |
|
|
625 | send (hdr, sizeof (hdr)); |
|
|
626 | } |
|
|
627 | else |
|
|
628 | { |
|
|
629 | uint8 hdr [] = { 0x82, 126, len >> 8, len }; |
|
|
630 | send (hdr, sizeof (hdr)); |
|
|
631 | } |
|
|
632 | |
|
|
633 | send (sl.buf_ + sl.hdrlen, len); |
|
|
634 | } |
|
|
635 | else |
|
|
636 | { |
442 | assert (sl.hdrlen == 2); |
637 | assert (sl.hdrlen == 2); |
443 | |
638 | |
444 | sl.buf_ [0] = sl.length () >> 8; |
639 | sl.buf_ [0] = sl.length () >> 8; |
445 | sl.buf_ [1] = sl.length () ; |
640 | sl.buf_ [1] = sl.length () ; |
446 | |
641 | |
447 | send (sl.buf_, sl.length () + sl.hdrlen); |
642 | send (sl.buf_, sl.length () + sl.hdrlen); |
|
|
643 | } |
448 | } |
644 | } |
449 | |
645 | |
450 | void |
646 | void |
451 | client::send_packet (const char *buf, int len) |
647 | client::send_packet (const char *buf, int len) |
452 | { |
648 | { |
… | |
… | |
488 | |
684 | |
489 | if (!(color & NDI_VERBATIM) |
685 | if (!(color & NDI_VERBATIM) |
490 | && (msg_is_special (msg) |
686 | && (msg_is_special (msg) |
491 | || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128))) |
687 | || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128))) |
492 | cfperl_send_msg (this, color, type, msg); |
688 | cfperl_send_msg (this, color, type, msg); |
493 | else if (can_msg) |
689 | else |
494 | send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); |
690 | send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); |
495 | else if (color < 0) |
|
|
496 | return; // client cannot handle this |
|
|
497 | else |
|
|
498 | send_packet_printf ("drawinfo %d %s", color & NDI_COLOR_MASK, msg); |
|
|
499 | } |
691 | } |
500 | |
692 | |
501 | void |
693 | void |
502 | client::send_drawinfo (const char *msg, int flags) |
694 | client::send_drawinfo (const char *msg, int flags) |
503 | { |
695 | { |
… | |
… | |
519 | *cur++ = ' '; |
711 | *cur++ = ' '; |
520 | } |
712 | } |
521 | |
713 | |
522 | packet &packet::operator <<(const ber32 v) |
714 | packet &packet::operator <<(const ber32 v) |
523 | { |
715 | { |
524 | enum { maxlen = 32 / 7 + 1}; |
716 | enum { maxlen = 32 / 7 + 1 }; |
525 | uint8 buf[maxlen]; |
717 | uint8 buf[maxlen]; |
526 | uint8 *p = buf + maxlen; |
718 | uint8 *p = buf + maxlen; |
527 | uint32 val = v.val; |
719 | uint32 val = v.val; |
528 | |
720 | |
529 | *--p = val & 0x7F; |
721 | *--p = val & 0x7F; |