… | |
… | |
45 | { |
45 | { |
46 | if (destroyed ()) |
46 | if (destroyed ()) |
47 | return; |
47 | return; |
48 | |
48 | |
49 | #if HAVE_TCP_INFO |
49 | #if HAVE_TCP_INFO |
50 | // check about once per second, spread evenly over all clients |
|
|
51 | // do this only when player is active |
|
|
52 | if (!((pticks + fd) & 7) && pl && pl->active) |
|
|
53 | { |
|
|
54 | // check time of last ack, and, if too old, kill connection |
50 | // check time of last ack, and, if too old, kill connection |
55 | socklen_t len = sizeof (tcpi); |
51 | socklen_t len = sizeof (tcpi); |
56 | |
52 | |
57 | if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi)) |
53 | if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi)) |
58 | { |
54 | { |
59 | if (tcpi.tcpi_snd_mss) |
55 | if (tcpi.tcpi_snd_mss) |
60 | mss = tcpi.tcpi_snd_mss; |
56 | mss = tcpi.tcpi_snd_mss; |
61 | |
57 | |
62 | fprintf (stderr, "uack %d sst %d cwnd %d mss %d pmtu %d\n", |
58 | #if 0 |
|
|
59 | fprintf (stderr, "uack %d ack %d lost %d ret %d fack %d sst %d cwnd %d mss %d pmtu %d advmss %d EXC %d\n", |
|
|
60 | tcpi.tcpi_unacked, |
|
|
61 | tcpi.tcpi_sacked, |
|
|
62 | tcpi.tcpi_lost, |
|
|
63 | tcpi.tcpi_retrans, |
|
|
64 | tcpi.tcpi_fackets, |
63 | tcpi.tcpi_unacked, tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu); |
65 | tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu, tcpi.tcpi_advmss, |
|
|
66 | |
|
|
67 | tcpi.tcpi_snd_cwnd - (tcpi.tcpi_unacked - tcpi.tcpi_sacked)); |
|
|
68 | #endif |
64 | |
69 | |
|
|
70 | // do this only when player is active |
|
|
71 | if (pl && pl->active |
65 | if (tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) |
72 | && tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) |
66 | { |
73 | { |
67 | send_msg (NDI_RED, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)"); |
74 | send_msg (NDI_RED | NDI_REPLY, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)"); |
68 | write_outputbuffer (); |
75 | write_outputbuffer (); |
69 | |
76 | |
70 | LOG (llevDebug, "connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd, |
77 | LOG (llevDebug, "connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd, |
71 | (unsigned)tcpi.tcpi_last_ack_recv, (unsigned)tcpi.tcpi_last_data_sent, (unsigned)tcpi.tcpi_unacked); |
78 | (unsigned)tcpi.tcpi_last_ack_recv, (unsigned)tcpi.tcpi_last_data_sent, (unsigned)tcpi.tcpi_unacked); |
72 | destroy (); |
79 | destroy (); |
73 | } |
|
|
74 | } |
80 | } |
75 | } |
81 | } |
76 | #endif |
82 | #endif |
77 | |
83 | |
78 | /** |
84 | /** |
… | |
… | |
164 | if (inbuf_len >= 2 + pkt_len) |
170 | if (inbuf_len >= 2 + pkt_len) |
165 | return 2 + pkt_len; |
171 | return 2 + pkt_len; |
166 | |
172 | |
167 | if (inbuf_len == sizeof (inbuf)) |
173 | if (inbuf_len == sizeof (inbuf)) |
168 | { |
174 | { |
169 | send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED); |
175 | send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED | NDI_REPLY); |
170 | destroy (); |
176 | destroy (); |
171 | return -1; |
177 | return -1; |
172 | } |
178 | } |
173 | } |
179 | } |
174 | |
180 | |
… | |
… | |
268 | ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); |
274 | ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); |
269 | else |
275 | else |
270 | ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); |
276 | ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); |
271 | } |
277 | } |
272 | else |
278 | else |
273 | send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED, pkt->name); |
279 | send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name); |
274 | } |
280 | } |
275 | |
281 | |
276 | bool |
282 | bool |
277 | client::handle_packet () |
283 | client::handle_packet () |
278 | { |
284 | { |
… | |
… | |
319 | |
325 | |
320 | goto next_packet; |
326 | goto next_packet; |
321 | } |
327 | } |
322 | |
328 | |
323 | // If we get here, we didn't find a valid command. |
329 | // If we get here, we didn't find a valid command. |
324 | send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED, (char *)inbuf + 2); |
330 | send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); |
325 | next_packet: |
331 | next_packet: |
326 | skip_packet (pkt_len); |
332 | skip_packet (pkt_len); |
327 | |
333 | |
328 | // input buffer has space again |
334 | // input buffer has space again |
329 | socket_ev.poll (socket_ev.poll () | PE_R); |
335 | socket_ev.poll (socket_ev.poll () | PE_R); |
… | |
… | |
522 | client::send_msg (int color, const char *type, const char *msg) |
528 | client::send_msg (int color, const char *type, const char *msg) |
523 | { |
529 | { |
524 | if (msg_is_special (msg)) |
530 | if (msg_is_special (msg)) |
525 | cfperl_send_msg (this, color, type, msg); |
531 | cfperl_send_msg (this, color, type, msg); |
526 | else if (can_msg) |
532 | else if (can_msg) |
527 | send_packet_printf ("msg %d %s %s", color, type, msg); |
533 | send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); |
528 | else if (color < 0) |
534 | else if (color < 0) |
529 | return; // client cannot handle this |
535 | return; // client cannot handle this |
530 | else |
536 | else |
531 | send_packet_printf ("drawinfo %d %s", color, msg); |
537 | send_packet_printf ("drawinfo %d %s", color & NDI_COLOR_MASK, msg); |
532 | } |
538 | } |
533 | |
539 | |
534 | void |
540 | void |
535 | client::send_drawinfo (const char *msg, int flags) |
541 | client::send_drawinfo (const char *msg, int flags) |
536 | { |
542 | { |