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/cvs/deliantra/server/socket/lowlevel.C
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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.25 by root, Sun Dec 17 19:14:00 2006 UTC vs.
Revision 1.26 by root, Tue Dec 19 04:58:05 2006 UTC

40 40
41#ifdef __linux__ 41#ifdef __linux__
42# include <sys/types.h> 42# include <sys/types.h>
43# include <sys/socket.h> 43# include <sys/socket.h>
44# include <netinet/in.h> 44# include <netinet/in.h>
45# define TCP_HZ 1000 // sorry...
46# include <netinet/tcp.h> 45# include <netinet/tcp.h>
47#endif 46#endif
48 47
49// use a really low timeout, as it doesn't cost any bandwidth, and you can 48// use a really low timeout, as it doesn't cost any bandwidth, and you can
50// easily die in 20 seconds... 49// easily die in 20 seconds...
51#define SOCKET_TIMEOUT1 10 50#define SOCKET_TIMEOUT1 10 * 1000
52#define SOCKET_TIMEOUT2 20 51#define SOCKET_TIMEOUT2 20 * 1000
53 52
54void 53void
55client::flush () 54client::flush ()
56{ 55{
57#ifdef __linux__ 56#ifdef __linux__
64 unsigned int diff = tcpi.tcpi_last_ack_recv - tcpi.tcpi_last_data_sent; 63 unsigned int diff = tcpi.tcpi_last_ack_recv - tcpi.tcpi_last_data_sent;
65 64
66 rtt = tcpi.tcpi_rtt; 65 rtt = tcpi.tcpi_rtt;
67 rttvar = tcpi.tcpi_rttvar; 66 rttvar = tcpi.tcpi_rttvar;
68 67
69 if (tcpi.tcpi_unacked && SOCKET_TIMEOUT1 * TCP_HZ < diff && diff < 0x80000000UL // ack delayed for 20s 68 if (tcpi.tcpi_unacked && SOCKET_TIMEOUT1 < diff && diff < 0x80000000UL // ack delayed for 20s
70 && SOCKET_TIMEOUT2 * TCP_HZ < tcpi.tcpi_last_data_sent) // no data sent for 10s 69 && SOCKET_TIMEOUT2 < tcpi.tcpi_last_data_sent) // no data sent for 10s
71 { 70 {
72 LOG (llevDebug, "Connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd, 71 LOG (llevDebug, "Connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd,
73 (unsigned) tcpi.tcpi_last_ack_recv, (unsigned) tcpi.tcpi_last_data_sent, (unsigned) tcpi.tcpi_unacked); 72 (unsigned) tcpi.tcpi_last_ack_recv, (unsigned) tcpi.tcpi_last_data_sent, (unsigned) tcpi.tcpi_unacked);
74 destroy (); 73 destroy ();
75 } 74 }
188 {"ncom", PC(NewPlayerCmd) PF_PLAYING }, 187 {"ncom", PC(NewPlayerCmd) PF_PLAYING },
189 {"command", PC(PlayerCmd) PF_PLAYING }, 188 {"command", PC(PlayerCmd) PF_PLAYING },
190 189
191 {"examine", PC(ExamineCmd) PF_PLAYING }, 190 {"examine", PC(ExamineCmd) PF_PLAYING },
192 {"apply", PC(ApplyCmd) PF_PLAYING }, 191 {"apply", PC(ApplyCmd) PF_PLAYING },
193 {"reply", PC(ReplyCmd) PF_IMMEDIATE }, 192 {"reply", PC(ReplyCmd) 0 },
194 {"lookat", PC(LookAt) PF_PLAYING }, 193 {"lookat", PC(LookAt) PF_PLAYING },
195 {"lock", PC(LockItem) PF_PLAYING }, 194 {"lock", PC(LockItem) PF_PLAYING },
196 {"mark", PC(MarkItem) PF_PLAYING }, 195 {"mark", PC(MarkItem) PF_PLAYING },
197 {"move", PC(MoveCmd) PF_PLAYING }, 196 {"move", PC(MoveCmd) PF_PLAYING },
198 {"exti", PC(ExtCmd) PF_IMMEDIATE }, /* CF+ */
199 {"ext", PC(ExtCmd) 0 }, /* CF+ */ 197 {"ext", PC(ExtCmd) 0 }, /* CF+ */
200 {"mapredraw", PC(MapRedrawCmd) PF_IMMEDIATE }, /* Added: phil */ 198 {"mapredraw", PC(MapRedrawCmd) 0 }, /* Added: phil */
201 {"mapinfo", PC(MapInfoCmd) 0 }, /* CF+ */ 199 {"mapinfo", PC(MapInfoCmd) 0 }, /* CF+ */
202 200
201 {"exti", SC(ExtiCmd) 0 }, /* CF+ */
203 {"addme", SC(AddMeCmd) PF_IMMEDIATE }, 202 {"addme", SC(AddMeCmd) 0 },
204 {"askface", SC(SendFaceCmd) PF_IMMEDIATE }, /* Added: phil */ 203 {"askface", SC(SendFaceCmd) 0 }, /* Added: phil */
205 {"requestinfo", SC(RequestInfo) PF_IMMEDIATE }, 204 {"requestinfo", SC(RequestInfo) 0 },
206 {"setfacemode", SC(SetFaceMode) PF_IMMEDIATE }, 205 {"setfacemode", SC(SetFaceMode) 0 },
207 {"setsound", SC(SetSound) PF_IMMEDIATE }, 206 {"setsound", SC(SetSound) 0 },
208 {"setup", SC(SetUp) PF_IMMEDIATE }, 207 {"setup", SC(SetUp) 0 },
209 {"version", SC(VersionCmd) PF_IMMEDIATE }, 208 {"version", SC(VersionCmd) 0 },
210 {"toggleextendedinfos", SC(ToggleExtendedInfos) PF_IMMEDIATE }, /*Added: tchize */ 209 {"toggleextendedinfos", SC(ToggleExtendedInfos) 0 }, /*Added: tchize */
211 {"toggleextendedtext", SC(ToggleExtendedText) PF_IMMEDIATE }, /*Added: tchize */ 210 {"toggleextendedtext", SC(ToggleExtendedText) 0 }, /*Added: tchize */
212 {"asksmooth", SC(AskSmooth) PF_IMMEDIATE }, /*Added: tchize (smoothing technologies) */ 211 {"asksmooth", SC(AskSmooth) 0 }, /*Added: tchize (smoothing technologies) */
213}; 212};
214 213
215bool 214bool
216client::may_execute (const packet_type *pkt) const 215client::may_execute (const packet_type *pkt) const
217{ 216{
271 } 270 }
272 271
273 for (packet_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt) 272 for (packet_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt)
274 if (!strcmp ((char *)inbuf + 2, pkt->name)) 273 if (!strcmp ((char *)inbuf + 2, pkt->name))
275 { 274 {
276 if (pkt->flags & PF_IMMEDIATE) 275 if (pkt->flags & PF_PLAYER)
276 queue_command (pkt, data, datalen);
277 else
277 execute (pkt, data, datalen); 278 execute (pkt, data, datalen);
278 else
279 queue_command (pkt, data, datalen);
280 279
281 goto next_packet; 280 goto next_packet;
282 } 281 }
283 282
284 /* If we get here, we didn't find a valid command. Logging 283 // If we get here, we didn't find a valid command.
285 * this might be questionable, because a broken client/malicious
286 * user could certainly send a whole bunch of invalid commands.
287 */
288 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED, (char *)inbuf + 2); 284 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED, (char *)inbuf + 2);
289next_packet: 285next_packet:
290 skip_packet (pkt_len); 286 skip_packet (pkt_len);
291 287
292 // input buffer has space again 288 // input buffer has space again
359 355
360// called whenever we have additional commands to process 356// called whenever we have additional commands to process
361void 357void
362client::cmd_cb (iw &w) 358client::cmd_cb (iw &w)
363{ 359{
364 if (handle_packet () || handle_command ()) 360 if (handle_packet ())
365 w.start (); 361 w.start ();
366 else 362 else
367 flush (); 363 flush ();
368} 364}
369 365

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