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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC vs.
Revision 1.401 by root, Mon Dec 17 06:45:53 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable; 9use EV;
10use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.64 (); 15use Coro 4.32 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::EV;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
23use Coro::Storable; 24use Coro::Storable;
24use Coro::Util (); 25use Coro::Util ();
25 26
26use JSON::XS (); 27use JSON::XS 2.01 ();
27use BDB (); 28use BDB ();
28use Data::Dumper; 29use Data::Dumper;
29use Digest::MD5; 30use Digest::MD5;
30use Fcntl; 31use Fcntl;
31use YAML::Syck (); 32use YAML::Syck ();
32use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
33use Time::HiRes; 34use Time::HiRes;
34use Compress::LZF; 35use Compress::LZF;
35use Digest::MD5 (); 36use Digest::MD5 ();
36 37
37# configure various modules to our taste 38# configure various modules to our taste
38# 39#
39$Storable::canonical = 1; # reduce rsync transfers 40$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44 43
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
47 46
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER; 76our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 77our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 79our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 80our $USE_FSYNC = 1; # use fsync to write maps - default off
83 81
84our $BDB_POLL_WATCHER; 82our $BDB_POLL_WATCHER;
83our $BDB_DEADLOCK_WATCHER;
84our $BDB_CHECKPOINT_WATCHER;
85our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 86our $DB_ENV;
86 87
87our %CFG; 88our %CFG;
88 89
89our $UPTIME; $UPTIME ||= time; 90our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 91our $RUNTIME;
92our $NOW;
91 93
92our (%PLAYER, %PLAYER_LOADING); # all users 94our (%PLAYER, %PLAYER_LOADING); # all users
93our (%MAP, %MAP_LOADING ); # all maps 95our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 96our $LINK_MAP; # the special {link} map, which is always available
95 97
159 161
160The raw value load value from the last tick. 162The raw value load value from the last tick.
161 163
162=item %cf::CFG 164=item %cf::CFG
163 165
164Configuration for the server, loaded from C</etc/crossfire/config>, or 166Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 167from wherever your confdir points to.
166 168
167=item cf::wait_for_tick, cf::wait_for_tick_begin 169=item cf::wait_for_tick, cf::wait_for_tick_begin
168 170
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 171These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 189 $msg .= "\n"
188 unless $msg =~ /\n$/; 190 unless $msg =~ /\n$/;
189 191
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 192 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 193
192 utf8::encode $msg;
193 LOG llevError, $msg; 194 LOG llevError, $msg;
194 }; 195 };
195} 196}
196 197
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
213)) { 214)) {
214 no strict 'refs'; 215 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 216 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 217}
217 218
218$Event::DIED = sub { 219$EV::DIED = sub {
219 warn "error in event callback: @_"; 220 warn "error in event callback: @_";
220}; 221};
221 222
222############################################################################# 223#############################################################################
223 224
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 248 $d
248 } || "[unable to dump $_[0]: '$@']"; 249 } || "[unable to dump $_[0]: '$@']";
249} 250}
250 251
251=item $ref = cf::from_json $json 252=item $ref = cf::decode_json $json
252 253
253Converts a JSON string into the corresponding perl data structure. 254Converts a JSON string into the corresponding perl data structure.
254 255
255=item $json = cf::to_json $ref 256=item $json = cf::encode_json $ref
256 257
257Converts a perl data structure into its JSON representation. 258Converts a perl data structure into its JSON representation.
258 259
259=cut 260=cut
260 261
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 263
263sub to_json ($) { $json_coder->encode ($_[0]) } 264sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 265sub decode_json($) { $json_coder->decode ($_[0]) }
265 266
266=item cf::lock_wait $string 267=item cf::lock_wait $string
267 268
268Wait until the given lock is available. See cf::lock_acquire. 269Wait until the given lock is available. See cf::lock_acquire.
269 270
334 }; 335 };
335 $TICK_WATCHER->stop; 336 $TICK_WATCHER->stop;
336 $guard 337 $guard
337} 338}
338 339
340=item cf::periodic $interval, $cb
341
342Like EV::periodic, but randomly selects a starting point so that the actions
343get spread over timer.
344
345=cut
346
347sub periodic($$) {
348 my ($interval, $cb) = @_;
349
350 my $start = rand List::Util::min 180, $interval;
351
352 EV::periodic $start, $interval, 0, $cb
353}
354
339=item cf::get_slot $time[, $priority[, $name]] 355=item cf::get_slot $time[, $priority[, $name]]
340 356
341Allocate $time seconds of blocking CPU time at priority C<$priority>: 357Allocate $time seconds of blocking CPU time at priority C<$priority>:
342This call blocks and returns only when you have at least C<$time> seconds 358This call blocks and returns only when you have at least C<$time> seconds
343of cpu time till the next tick. The slot is only valid till the next cede. 359of cpu time till the next tick. The slot is only valid till the next cede.
352our @SLOT_QUEUE; 368our @SLOT_QUEUE;
353our $SLOT_QUEUE; 369our $SLOT_QUEUE;
354 370
355$SLOT_QUEUE->cancel if $SLOT_QUEUE; 371$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356$SLOT_QUEUE = Coro::async { 372$SLOT_QUEUE = Coro::async {
373 $Coro::current->desc ("timeslot manager");
374
357 my $signal = new Coro::Signal; 375 my $signal = new Coro::Signal;
358 376
359 while () { 377 while () {
360 next_job: 378 next_job:
361 my $avail = cf::till_tick; 379 my $avail = cf::till_tick;
369 } 387 }
370 } 388 }
371 } 389 }
372 390
373 if (@SLOT_QUEUE) { 391 if (@SLOT_QUEUE) {
374 # we do not use wait_For_tick() as it returns immediately when tick is inactive 392 # we do not use wait_for_tick() as it returns immediately when tick is inactive
375 push @cf::WAIT_FOR_TICK, $signal; 393 push @cf::WAIT_FOR_TICK, $signal;
376 $signal->wait; 394 $signal->wait;
377 } else { 395 } else {
378 Coro::schedule; 396 Coro::schedule;
379 } 397 }
402 420
403BEGIN { *async = \&Coro::async_pool } 421BEGIN { *async = \&Coro::async_pool }
404 422
405=item cf::sync_job { BLOCK } 423=item cf::sync_job { BLOCK }
406 424
407The design of Crossfire TRT requires that the main coroutine ($Coro::main) 425The design of Deliantra requires that the main coroutine ($Coro::main)
408is always able to handle events or runnable, as Crossfire TRT is only 426is always able to handle events or runnable, as Deliantra is only
409partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 427partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410acceptable. 428acceptable.
411 429
412If it must be done, put the blocking parts into C<sync_job>. This will run 430If it must be done, put the blocking parts into C<sync_job>. This will run
413the given BLOCK in another coroutine while waiting for the result. The 431the given BLOCK in another coroutine while waiting for the result. The
418 436
419sub sync_job(&) { 437sub sync_job(&) {
420 my ($job) = @_; 438 my ($job) = @_;
421 439
422 if ($Coro::current == $Coro::main) { 440 if ($Coro::current == $Coro::main) {
423 my $time = Event::time; 441 my $time = EV::time;
424 442
425 # this is the main coro, too bad, we have to block 443 # this is the main coro, too bad, we have to block
426 # till the operation succeeds, freezing the server :/ 444 # till the operation succeeds, freezing the server :/
427 445
446 LOG llevError, Carp::longmess "sync job";#d#
447
428 # TODO: use suspend/resume instead 448 # TODO: use suspend/resume instead
429 # (but this is cancel-safe) 449 # (but this is cancel-safe)
430 my $freeze_guard = freeze_mainloop; 450 my $freeze_guard = freeze_mainloop;
431 451
432 my $busy = 1; 452 my $busy = 1;
433 my @res; 453 my @res;
434 454
435 (async { 455 (async {
456 $Coro::current->desc ("sync job coro");
436 @res = eval { $job->() }; 457 @res = eval { $job->() };
437 warn $@ if $@; 458 warn $@ if $@;
438 undef $busy; 459 undef $busy;
439 })->prio (Coro::PRIO_MAX); 460 })->prio (Coro::PRIO_MAX);
440 461
441 while ($busy) { 462 while ($busy) {
442 Coro::cede or Event::one_event; 463 if (Coro::nready) {
464 Coro::cede_notself;
465 } else {
466 EV::loop EV::LOOP_ONESHOT;
443 } 467 }
468 }
444 469
445 $time = Event::time - $time; 470 $time = EV::time - $time;
446 471
447 LOG llevError | logBacktrace, Carp::longmess "long sync job" 472 LOG llevError | logBacktrace, Carp::longmess "long sync job"
448 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; 473 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449 474
450 $tick_start += $time; # do not account sync jobs to server load 475 $tick_start += $time; # do not account sync jobs to server load
480=item fork_call { }, $args 505=item fork_call { }, $args
481 506
482Executes the given code block with the given arguments in a seperate 507Executes the given code block with the given arguments in a seperate
483process, returning the results. Everything must be serialisable with 508process, returning the results. Everything must be serialisable with
484Coro::Storable. May, of course, block. Note that the executed sub may 509Coro::Storable. May, of course, block. Note that the executed sub may
485never block itself or use any form of Event handling. 510never block itself or use any form of event handling.
486 511
487=cut 512=cut
488 513
489sub fork_call(&@) { 514sub fork_call(&@) {
490 my ($cb, @args) = @_; 515 my ($cb, @args) = @_;
508=item cf::db_put $family => $key => $value 533=item cf::db_put $family => $key => $value
509 534
510Stores the given C<$value> in the family. It can currently store binary 535Stores the given C<$value> in the family. It can currently store binary
511data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 536data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512 537
538=item $db = cf::db_table "name"
539
540Create and/or open a new database table. The string must not be "db" and must be unique
541within each server.
542
513=cut 543=cut
544
545sub db_table($) {
546 my ($name) = @_;
547 my $db = BDB::db_create $DB_ENV;
548
549 eval {
550 $db->set_flags (BDB::CHKSUM);
551
552 utf8::encode $name;
553 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
554 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
555 cf::cleanup "db_open(db): $!" if $!;
556 };
557 cf::cleanup "db_open(db): $@" if $@;
558
559 $db
560}
514 561
515our $DB; 562our $DB;
516 563
517sub db_init { 564sub db_init {
518 unless ($DB) {
519 $DB = BDB::db_create $DB_ENV;
520
521 cf::sync_job { 565 cf::sync_job {
522 eval { 566 $DB ||= db_table "db";
523 $DB->set_flags (BDB::CHKSUM);
524
525 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527 cf::cleanup "db_open(db): $!" if $!;
528 };
529 cf::cleanup "db_open(db): $@" if $@;
530 };
531 } 567 };
532} 568}
533 569
534sub db_get($$) { 570sub db_get($$) {
535 my $key = "$_[0]/$_[1]"; 571 my $key = "$_[0]/$_[1]";
536 572
640attach callbacks/event handlers (a collection of which is called an "attachment") 676attach callbacks/event handlers (a collection of which is called an "attachment")
641to it. All such attachable objects support the following methods. 677to it. All such attachable objects support the following methods.
642 678
643In the following description, CLASS can be any of C<global>, C<object> 679In the following description, CLASS can be any of C<global>, C<object>
644C<player>, C<client> or C<map> (i.e. the attachable objects in 680C<player>, C<client> or C<map> (i.e. the attachable objects in
645Crossfire TRT). 681Deliantra).
646 682
647=over 4 683=over 4
648 684
649=item $attachable->attach ($attachment, key => $value...) 685=item $attachable->attach ($attachment, key => $value...)
650 686
948 984
949=cut 985=cut
950 986
951############################################################################# 987#############################################################################
952# object support 988# object support
953#
954 989
990sub _object_equal($$);
991sub _object_equal($$) {
992 my ($a, $b) = @_;
993
994 return 0 unless (ref $a) eq (ref $b);
995
996 if ("HASH" eq ref $a) {
997 my @ka = keys %$a;
998 my @kb = keys %$b;
999
1000 return 0 if @ka != @kb;
1001
1002 for (0 .. $#ka) {
1003 return 0 unless $ka[$_] eq $kb[$_];
1004 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1005 }
1006
1007 } elsif ("ARRAY" eq ref $a) {
1008
1009 return 0 if @$a != @$b;
1010
1011 for (0 .. $#$a) {
1012 return 0 unless _object_equal $a->[$_], $b->[$_];
1013 }
1014
1015 } elsif ($a ne $b) {
1016 return 0;
1017 }
1018
1019 1
1020}
1021
1022our $SLOW_MERGES;#d#
955sub _can_merge { 1023sub _can_merge {
956 my ($ob1, $ob2) = @_; 1024 my ($ob1, $ob2) = @_;
957 1025
958 local $Storable::canonical = 1; 1026 ++$SLOW_MERGES;#d#
959 my $fob1 = Storable::freeze $ob1;
960 my $fob2 = Storable::freeze $ob2;
961 1027
962 $fob1 eq $fob2 1028 # we do the slow way here
1029 return _object_equal $ob1, $ob2
963} 1030}
964 1031
965sub reattach { 1032sub reattach {
966 # basically do the same as instantiate, without calling instantiate 1033 # basically do the same as instantiate, without calling instantiate
967 my ($obj) = @_; 1034 my ($obj) = @_;
989cf::attachable->attach ( 1056cf::attachable->attach (
990 prio => -1000000, 1057 prio => -1000000,
991 on_instantiate => sub { 1058 on_instantiate => sub {
992 my ($obj, $data) = @_; 1059 my ($obj, $data) = @_;
993 1060
994 $data = from_json $data; 1061 $data = decode_json $data;
995 1062
996 for (@$data) { 1063 for (@$data) {
997 my ($name, $args) = @$_; 1064 my ($name, $args) = @$_;
998 1065
999 $obj->attach ($name, %{$args || {} }); 1066 $obj->attach ($name, %{$args || {} });
1013); 1080);
1014 1081
1015sub object_freezer_save { 1082sub object_freezer_save {
1016 my ($filename, $rdata, $objs) = @_; 1083 my ($filename, $rdata, $objs) = @_;
1017 1084
1018 my $guard = cf::lock_acquire "io";
1019
1020 sync_job { 1085 sync_job {
1021 if (length $$rdata) { 1086 if (length $$rdata) {
1087 utf8::decode (my $decname = $filename);
1022 warn sprintf "saving %s (%d,%d)\n", 1088 warn sprintf "saving %s (%d,%d)\n",
1023 $filename, length $$rdata, scalar @$objs; 1089 $decname, length $$rdata, scalar @$objs;
1024 1090
1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1091 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026 chmod SAVE_MODE, $fh; 1092 chmod SAVE_MODE, $fh;
1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1093 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028 aio_fsync $fh if $cf::USE_FSYNC; 1094 aio_fsync $fh if $cf::USE_FSYNC;
1029 close $fh; 1095 close $fh;
1030 1096
1031 if (@$objs) { 1097 if (@$objs) {
1032 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1098 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033 chmod SAVE_MODE, $fh; 1099 chmod SAVE_MODE, $fh;
1034 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1100 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035 aio_write $fh, 0, (length $data), $data, 0; 1101 aio_write $fh, 0, (length $data), $data, 0;
1036 aio_fsync $fh if $cf::USE_FSYNC; 1102 aio_fsync $fh if $cf::USE_FSYNC;
1037 close $fh; 1103 close $fh;
1038 aio_rename "$filename.pst~", "$filename.pst"; 1104 aio_rename "$filename.pst~", "$filename.pst";
1039 } 1105 }
1048 } else { 1114 } else {
1049 aio_unlink $filename; 1115 aio_unlink $filename;
1050 aio_unlink "$filename.pst"; 1116 aio_unlink "$filename.pst";
1051 } 1117 }
1052 }; 1118 };
1053
1054 undef $guard;
1055} 1119}
1056 1120
1057sub object_freezer_as_string { 1121sub object_freezer_as_string {
1058 my ($rdata, $objs) = @_; 1122 my ($rdata, $objs) = @_;
1059 1123
1064 1128
1065sub object_thawer_load { 1129sub object_thawer_load {
1066 my ($filename) = @_; 1130 my ($filename) = @_;
1067 1131
1068 my ($data, $av); 1132 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
1071 1133
1072 (aio_load $filename, $data) >= 0 1134 (aio_load $filename, $data) >= 0
1073 or return; 1135 or return;
1074 1136
1075 unless (aio_stat "$filename.pst") { 1137 unless (aio_stat "$filename.pst") {
1076 (aio_load "$filename.pst", $av) >= 0 1138 (aio_load "$filename.pst", $av) >= 0
1077 or return; 1139 or return;
1078 1140
1079 undef $guard;
1080 $av = eval { (Storable::thaw $av)->{objs} }; 1141 my $st = eval { Coro::Storable::thaw $av };
1142 $av = $st->{objs};
1081 } 1143 }
1082 1144
1145 utf8::decode (my $decname = $filename);
1083 warn sprintf "loading %s (%d)\n", 1146 warn sprintf "loading %s (%d,%d)\n",
1084 $filename, length $data, scalar @{$av || []}; 1147 $decname, length $data, scalar @{$av || []};
1085 1148
1086 ($data, $av) 1149 ($data, $av)
1087} 1150}
1088 1151
1089=head2 COMMAND CALLBACKS 1152=head2 COMMAND CALLBACKS
1277 1340
1278=head3 cf::player 1341=head3 cf::player
1279 1342
1280=over 4 1343=over 4
1281 1344
1345=item cf::player::num_playing
1346
1347Returns the official number of playing players, as per the Crossfire metaserver rules.
1348
1349=cut
1350
1351sub num_playing {
1352 scalar grep
1353 $_->ob->map
1354 && !$_->hidden
1355 && !$_->ob->flag (cf::FLAG_WIZ),
1356 cf::player::list
1357}
1358
1282=item cf::player::find $login 1359=item cf::player::find $login
1283 1360
1284Returns the given player object, loading it if necessary (might block). 1361Returns the given player object, loading it if necessary (might block).
1285 1362
1286=cut 1363=cut
1324 aio_unlink +(playerdir $login) . "/$login.pl"; 1401 aio_unlink +(playerdir $login) . "/$login.pl";
1325 1402
1326 my $f = new_from_file cf::object::thawer path $login 1403 my $f = new_from_file cf::object::thawer path $login
1327 or return; 1404 or return;
1328 1405
1329 $f->next;
1330 my $pl = cf::player::load_pl $f 1406 my $pl = cf::player::load_pl $f
1331 or return; 1407 or return;
1332 local $cf::PLAYER_LOADING{$login} = $pl; 1408 local $cf::PLAYER_LOADING{$login} = $pl;
1333 $f->resolve_delayed_derefs; 1409 $f->resolve_delayed_derefs;
1334 $cf::PLAYER{$login} = $pl 1410 $cf::PLAYER{$login} = $pl
1486 1562
1487Expand crossfire pod fragments into protocol xml. 1563Expand crossfire pod fragments into protocol xml.
1488 1564
1489=cut 1565=cut
1490 1566
1567use re 'eval';
1568
1569my $group;
1570my $interior; $interior = qr{
1571 # match a pod interior sequence sans C<< >>
1572 (?:
1573 \ (.*?)\ (?{ $group = $^N })
1574 | < (??{$interior}) >
1575 )
1576}x;
1577
1491sub expand_cfpod { 1578sub expand_cfpod {
1492 ((my $self), (local $_)) = @_; 1579 my ($self, $pod) = @_;
1493 1580
1494 # escape & and < 1581 my $xml;
1495 s/&/&amp;/g;
1496 s/(?<![BIUGHT])</&lt;/g;
1497 1582
1498 # this is buggy, it needs to properly take care of nested <'s 1583 while () {
1584 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585 $group = $1;
1499 1586
1500 1 while 1587 $group =~ s/&/&amp;/g;
1501 # replace B<>, I<>, U<> etc. 1588 $group =~ s/</&lt;/g;
1502 s/B<([^\>]*)>/<b>$1<\/b>/ 1589
1503 || s/I<([^\>]*)>/<i>$1<\/i>/ 1590 $xml .= $group;
1504 || s/U<([^\>]*)>/<u>$1<\/u>/ 1591 } elsif ($pod =~ m%\G
1505 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1592 ([BCGHITU])
1506 # replace G<male|female> tags 1593 <
1507 || s{G<([^>|]*)\|([^>]*)>}{ 1594 (?:
1508 $self->gender ? $2 : $1 1595 ([^<>]*) (?{ $group = $^N })
1509 }ge 1596 | < $interior >
1510 # replace H<hint text> 1597 )
1511 || s{H<([^\>]*)>} 1598 >
1599 %gcsx
1512 { 1600 ) {
1601 my ($code, $data) = ($1, $group);
1602
1603 if ($code eq "B") {
1604 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605 } elsif ($code eq "I") {
1606 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607 } elsif ($code eq "U") {
1608 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609 } elsif ($code eq "C") {
1610 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611 } elsif ($code eq "T") {
1612 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613 } elsif ($code eq "G") {
1614 my ($male, $female) = split /\|/, $data;
1615 $data = $self->gender ? $female : $male;
1616 $xml .= expand_cfpod ($self, $data);
1617 } elsif ($code eq "H") {
1513 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1618 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1514 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1619 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515 "") 1620 "")
1516 [$self->{hintmode}] 1621 [$self->{hintmode}];
1622 } else {
1623 $xml .= "error processing '$code($data)' directive";
1517 }ge; 1624 }
1625 } else {
1626 if ($pod =~ /\G(.+)/) {
1627 warn "parse error while expanding $pod (at $1)";
1628 }
1629 last;
1630 }
1631 }
1518 1632
1633 for ($xml) {
1519 # create single paragraphs (very hackish) 1634 # create single paragraphs (very hackish)
1520 s/(?<=\S)\n(?=\w)/ /g; 1635 s/(?<=\S)\n(?=\w)/ /g;
1521 1636
1522 # compress some whitespace 1637 # compress some whitespace
1523 s/\s+\n/\n/g; # ws line-ends 1638 s/\s+\n/\n/g; # ws line-ends
1524 s/\n\n+/\n/g; # double lines 1639 s/\n\n+/\n/g; # double lines
1525 s/^\n+//; # beginning lines 1640 s/^\n+//; # beginning lines
1526 s/\n+$//; # ending lines 1641 s/\n+$//; # ending lines
1642 }
1527 1643
1528 $_ 1644 $xml
1529} 1645}
1646
1647no re 'eval';
1530 1648
1531sub hintmode { 1649sub hintmode {
1532 $_[0]{hintmode} = $_[1] if @_ > 1; 1650 $_[0]{hintmode} = $_[1] if @_ > 1;
1533 $_[0]{hintmode} 1651 $_[0]{hintmode}
1534} 1652}
1891 2009
1892 { 2010 {
1893 my $guard = cf::lock_acquire "map_data:$path"; 2011 my $guard = cf::lock_acquire "map_data:$path";
1894 2012
1895 return unless $self->valid; 2013 return unless $self->valid;
1896 return if $self->in_memory != cf::MAP_SWAPPED; 2014 return unless $self->in_memory == cf::MAP_SWAPPED;
1897 2015
1898 $self->in_memory (cf::MAP_LOADING); 2016 $self->in_memory (cf::MAP_LOADING);
1899 2017
1900 $self->alloc; 2018 $self->alloc;
1901 2019
2015 } 2133 }
2016 2134
2017 $MAP_PREFETCH{$path} |= $load; 2135 $MAP_PREFETCH{$path} |= $load;
2018 2136
2019 $MAP_PREFETCHER ||= cf::async { 2137 $MAP_PREFETCHER ||= cf::async {
2138 $Coro::current->{desc} = "map prefetcher";
2139
2020 while (%MAP_PREFETCH) { 2140 while (%MAP_PREFETCH) {
2021 while (my ($k, $v) = each %MAP_PREFETCH) { 2141 while (my ($k, $v) = each %MAP_PREFETCH) {
2022 if (my $map = find $k) { 2142 if (my $map = find $k) {
2023 $map->load if $v; 2143 $map->load if $v;
2024 } 2144 }
2050 return if $self->{deny_save}; 2170 return if $self->{deny_save};
2051 2171
2052 local $self->{last_access} = $self->last_access;#d# 2172 local $self->{last_access} = $self->last_access;#d#
2053 2173
2054 cf::async { 2174 cf::async {
2175 $Coro::current->{desc} = "map player save";
2055 $_->contr->save for $self->players; 2176 $_->contr->save for $self->players;
2056 }; 2177 };
2057 2178
2058 if ($uniq) { 2179 if ($uniq) {
2059 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2180 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2073 2194
2074 return if $self->players; 2195 return if $self->players;
2075 return if $self->in_memory != cf::MAP_IN_MEMORY; 2196 return if $self->in_memory != cf::MAP_IN_MEMORY;
2076 return if $self->{deny_save}; 2197 return if $self->{deny_save};
2077 2198
2199 $self->in_memory (cf::MAP_SWAPPED);
2200
2078 $self->deactivate; 2201 $self->deactivate;
2202 $_->clear_links_to ($self) for values %cf::MAP;
2079 $self->clear; 2203 $self->clear;
2080 $self->in_memory (cf::MAP_SWAPPED);
2081} 2204}
2082 2205
2083sub reset_at { 2206sub reset_at {
2084 my ($self) = @_; 2207 my ($self) = @_;
2085 2208
2118 } 2241 }
2119 2242
2120 delete $cf::MAP{$self->path}; 2243 delete $cf::MAP{$self->path};
2121 2244
2122 $self->deactivate; 2245 $self->deactivate;
2246 $_->clear_links_to ($self) for values %cf::MAP;
2123 $self->clear; 2247 $self->clear;
2124
2125 $_->clear_links_to ($self) for values %cf::MAP;
2126 2248
2127 $self->unlink_save; 2249 $self->unlink_save;
2128 $self->destroy; 2250 $self->destroy;
2129} 2251}
2130 2252
2245=cut 2367=cut
2246 2368
2247sub deref { 2369sub deref {
2248 my ($ref) = @_; 2370 my ($ref) = @_;
2249 2371
2250 # temporary compatibility#TODO#remove
2251 $ref =~ s{^<}{player/<};
2252
2253 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2372 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2254 my ($uuid, $name) = ($1, $2); 2373 my ($uuid, $name) = ($1, $2);
2255 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2374 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2256 or return; 2375 or return;
2257 $pl->ob->uuid eq $uuid 2376 $pl->ob->uuid eq $uuid
2258 or return; 2377 or return;
2429 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2548 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2430 2549
2431 $self->enter_link; 2550 $self->enter_link;
2432 2551
2433 (async { 2552 (async {
2553 $Coro::current->{desc} = "player::goto $path $x $y";
2554
2555 # *tag paths override both path and x|y
2556 if ($path =~ /^\*(.*)$/) {
2557 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2558 my $ob = $obs[rand @obs];
2559
2560 # see if we actually can go there
2561 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2562 $ob = $obs[rand @obs];
2563 } else {
2564 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566 # else put us there anyways for now #d#
2567
2568 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2569 } else {
2570 ($path, $x, $y) = (undef, undef, undef);
2571 }
2572 }
2573
2434 my $map = eval { 2574 my $map = eval {
2435 my $map = cf::map::find $path; 2575 my $map = defined $path ? cf::map::find $path : undef;
2436 2576
2437 if ($map) { 2577 if ($map) {
2438 $map = $map->customise_for ($self); 2578 $map = $map->customise_for ($self);
2439 $map = $check->($map) if $check && $map; 2579 $map = $check->($map) if $check && $map;
2440 } else { 2580 } else {
2441 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2581 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2442 } 2582 }
2443 2583
2444 $map 2584 $map
2445 }; 2585 };
2446 2586
2499 $rmp->{origin_y} = $exit->y; 2639 $rmp->{origin_y} = $exit->y;
2500 } 2640 }
2501 2641
2502 $rmp->{random_seed} ||= $exit->random_seed; 2642 $rmp->{random_seed} ||= $exit->random_seed;
2503 2643
2504 my $data = cf::to_json $rmp; 2644 my $data = cf::encode_json $rmp;
2505 my $md5 = Digest::MD5::md5_hex $data; 2645 my $md5 = Digest::MD5::md5_hex $data;
2506 my $meta = "$RANDOMDIR/$md5.meta"; 2646 my $meta = "$RANDOMDIR/$md5.meta";
2507 2647
2508 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2648 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2509 aio_write $fh, 0, (length $data), $data, 0; 2649 aio_write $fh, 0, (length $data), $data, 0;
2536 # if exit is damned, update players death & WoR home-position 2676 # if exit is damned, update players death & WoR home-position
2537 $self->contr->savebed ($slaying, $hp, $sp) 2677 $self->contr->savebed ($slaying, $hp, $sp)
2538 if $exit->flag (FLAG_DAMNED); 2678 if $exit->flag (FLAG_DAMNED);
2539 2679
2540 (async { 2680 (async {
2681 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2682
2541 $self->deactivate_recursive; # just to be sure 2683 $self->deactivate_recursive; # just to be sure
2542 unless (eval { 2684 unless (eval {
2543 $self->goto ($slaying, $hp, $sp); 2685 $self->goto ($slaying, $hp, $sp);
2544 2686
2545 1; 2687 1;
2580the message, with C<log> being the default. If C<$color> is negative, suppress 2722the message, with C<log> being the default. If C<$color> is negative, suppress
2581the message unless the client supports the msg packet. 2723the message unless the client supports the msg packet.
2582 2724
2583=cut 2725=cut
2584 2726
2727# non-persistent channels (usually the info channel)
2585our %CHANNEL = ( 2728our %CHANNEL = (
2586 "c/identify" => { 2729 "c/identify" => {
2587 id => "identify", 2730 id => "infobox",
2588 title => "Identify", 2731 title => "Identify",
2589 reply => undef, 2732 reply => undef,
2590 tooltip => "Items recently identified", 2733 tooltip => "Items recently identified",
2591 }, 2734 },
2592 "c/examine" => { 2735 "c/examine" => {
2593 id => "examine", 2736 id => "infobox",
2594 title => "Examine", 2737 title => "Examine",
2595 reply => undef, 2738 reply => undef,
2596 tooltip => "Signs and other items you examined", 2739 tooltip => "Signs and other items you examined",
2597 }, 2740 },
2741 "c/book" => {
2742 id => "infobox",
2743 title => "Book",
2744 reply => undef,
2745 tooltip => "The contents of a note or book",
2746 },
2747 "c/lookat" => {
2748 id => "infobox",
2749 title => "Look",
2750 reply => undef,
2751 tooltip => "What you saw there",
2752 },
2753 "c/who" => {
2754 id => "infobox",
2755 title => "Players",
2756 reply => undef,
2757 tooltip => "Shows players who are currently online",
2758 },
2759 "c/body" => {
2760 id => "infobox",
2761 title => "Body Parts",
2762 reply => undef,
2763 tooltip => "Shows which body parts you posess and are available",
2764 },
2765 "c/uptime" => {
2766 id => "infobox",
2767 title => "Uptime",
2768 reply => undef,
2769 tooltip => "How long the server has been running since last restart",
2770 },
2771 "c/mapinfo" => {
2772 id => "infobox",
2773 title => "Map Info",
2774 reply => undef,
2775 tooltip => "Information related to the maps",
2776 },
2598); 2777);
2599 2778
2600sub cf::client::send_msg { 2779sub cf::client::send_msg {
2601 my ($self, $channel, $msg, $color, @extra) = @_; 2780 my ($self, $channel, $msg, $color, @extra) = @_;
2602 2781
2603 $msg = $self->pl->expand_cfpod ($msg); 2782 $msg = $self->pl->expand_cfpod ($msg);
2604 2783
2605 $color &= cf::NDI_CLIENT_MASK; # just in case... 2784 $color &= cf::NDI_CLIENT_MASK; # just in case...
2606 2785
2607 # check predefined channels, for the benefit of C 2786 # check predefined channels, for the benefit of C
2608 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2787 if ($CHANNEL{$channel}) {
2788 $channel = $CHANNEL{$channel};
2609 2789
2790 $self->ext_msg (channel_info => $channel)
2791 if $self->can_msg;
2792
2793 $channel = $channel->{id};
2794
2610 if (ref $channel) { 2795 } elsif (ref $channel) {
2611 # send meta info to client, if not yet sent 2796 # send meta info to client, if not yet sent
2612 unless (exists $self->{channel}{$channel->{id}}) { 2797 unless (exists $self->{channel}{$channel->{id}}) {
2613 $self->{channel}{$channel->{id}} = $channel; 2798 $self->{channel}{$channel->{id}} = $channel;
2614 $self->ext_msg (channel_info => $channel) 2799 $self->ext_msg (channel_info => $channel)
2615 if $self->can_msg; 2800 if $self->can_msg;
2832=pod 3017=pod
2833 3018
2834The following functions and methods are available within a safe environment: 3019The following functions and methods are available within a safe environment:
2835 3020
2836 cf::object 3021 cf::object
2837 contr pay_amount pay_player map x y force_find force_add 3022 contr pay_amount pay_player map x y force_find force_add destroy
2838 insert remove name archname title slaying race decrease_ob_nr 3023 insert remove name archname title slaying race decrease_ob_nr
2839 3024
2840 cf::object::player 3025 cf::object::player
2841 player 3026 player
2842 3027
2849=cut 3034=cut
2850 3035
2851for ( 3036for (
2852 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3037 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2853 insert remove inv name archname title slaying race 3038 insert remove inv name archname title slaying race
2854 decrease_ob_nr)], 3039 decrease_ob_nr destroy)],
2855 ["cf::object::player" => qw(player)], 3040 ["cf::object::player" => qw(player)],
2856 ["cf::player" => qw(peaceful)], 3041 ["cf::player" => qw(peaceful)],
2857 ["cf::map" => qw(trigger)], 3042 ["cf::map" => qw(trigger)],
2858) { 3043) {
2859 no strict 'refs'; 3044 no strict 'refs';
3134sub main { 3319sub main {
3135 # we must not ever block the main coroutine 3320 # we must not ever block the main coroutine
3136 local $Coro::idle = sub { 3321 local $Coro::idle = sub {
3137 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3322 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3138 (async { 3323 (async {
3139 Event::one_event; 3324 $Coro::current->{desc} = "IDLE BUG HANDLER";
3325 EV::loop EV::LOOP_ONESHOT;
3140 })->prio (Coro::PRIO_MAX); 3326 })->prio (Coro::PRIO_MAX);
3141 }; 3327 };
3142 3328
3143 reload_config; 3329 reload_config;
3144 db_init; 3330 db_init;
3145 load_extensions; 3331 load_extensions;
3146 3332
3147 $TICK_WATCHER->start; 3333 $TICK_WATCHER->start;
3334 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3148 Event::loop; 3335 EV::loop;
3149} 3336}
3150 3337
3151############################################################################# 3338#############################################################################
3152# initialisation and cleanup 3339# initialisation and cleanup
3153 3340
3154# install some emergency cleanup handlers 3341# install some emergency cleanup handlers
3155BEGIN { 3342BEGIN {
3343 our %SIGWATCHER = ();
3156 for my $signal (qw(INT HUP TERM)) { 3344 for my $signal (qw(INT HUP TERM)) {
3157 Event->signal ( 3345 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3158 reentrant => 0,
3159 data => WF_AUTOCANCEL,
3160 signal => $signal,
3161 prio => 0,
3162 cb => sub {
3163 cf::cleanup "SIG$signal"; 3346 cf::cleanup "SIG$signal";
3164 },
3165 ); 3347 };
3166 } 3348 }
3167} 3349}
3168 3350
3169sub write_runtime { 3351sub write_runtime {
3170 my $runtime = "$LOCALDIR/runtime"; 3352 my $runtime = "$LOCALDIR/runtime";
3215 # and maps saved/destroyed asynchronously. 3397 # and maps saved/destroyed asynchronously.
3216 warn "begin emergency player save\n"; 3398 warn "begin emergency player save\n";
3217 for my $login (keys %cf::PLAYER) { 3399 for my $login (keys %cf::PLAYER) {
3218 my $pl = $cf::PLAYER{$login} or next; 3400 my $pl = $cf::PLAYER{$login} or next;
3219 $pl->valid or next; 3401 $pl->valid or next;
3402 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3220 $pl->save; 3403 $pl->save;
3221 } 3404 }
3222 warn "end emergency player save\n"; 3405 warn "end emergency player save\n";
3223 3406
3224 warn "begin emergency map save\n"; 3407 warn "begin emergency map save\n";
3263 warn "syncing database to disk"; 3446 warn "syncing database to disk";
3264 BDB::db_env_txn_checkpoint $DB_ENV; 3447 BDB::db_env_txn_checkpoint $DB_ENV;
3265 3448
3266 # if anything goes wrong in here, we should simply crash as we already saved 3449 # if anything goes wrong in here, we should simply crash as we already saved
3267 3450
3268 warn "cancelling all WF_AUTOCANCEL watchers";
3269 for (Event::all_watchers) {
3270 $_->cancel if $_->data & WF_AUTOCANCEL;
3271 }
3272
3273 warn "flushing outstanding aio requests"; 3451 warn "flushing outstanding aio requests";
3274 for (;;) { 3452 for (;;) {
3275 BDB::flush; 3453 BDB::flush;
3276 IO::AIO::flush; 3454 IO::AIO::flush;
3277 Coro::cede; 3455 Coro::cede_notself;
3278 last unless IO::AIO::nreqs || BDB::nreqs; 3456 last unless IO::AIO::nreqs || BDB::nreqs;
3279 warn "iterate..."; 3457 warn "iterate...";
3280 } 3458 }
3281 3459
3282 ++$RELOAD; 3460 ++$RELOAD;
3371 3549
3372sub reload_perl() { 3550sub reload_perl() {
3373 # doing reload synchronously and two reloads happen back-to-back, 3551 # doing reload synchronously and two reloads happen back-to-back,
3374 # coro crashes during coro_state_free->destroy here. 3552 # coro crashes during coro_state_free->destroy here.
3375 3553
3376 $RELOAD_WATCHER ||= Event->timer ( 3554 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3377 reentrant => 0,
3378 after => 0,
3379 data => WF_AUTOCANCEL,
3380 cb => sub {
3381 do_reload_perl;
3382 undef $RELOAD_WATCHER; 3555 undef $RELOAD_WATCHER;
3383 }, 3556 do_reload_perl;
3384 ); 3557 };
3385} 3558}
3386 3559
3387register_command "reload" => sub { 3560register_command "reload" => sub {
3388 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
3389 3562
3390 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
3391 $who->message ("reloading server."); 3564 $who->message ("reloading server.");
3565 async {
3566 $Coro::current->{desc} = "perl_reload";
3392 async { reload_perl }; 3567 reload_perl;
3568 };
3393 } 3569 }
3394}; 3570};
3395 3571
3396unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
3397 3573
3416 my $signal = new Coro::Signal; 3592 my $signal = new Coro::Signal;
3417 push @WAIT_FOR_TICK_BEGIN, $signal; 3593 push @WAIT_FOR_TICK_BEGIN, $signal;
3418 $signal->wait; 3594 $signal->wait;
3419} 3595}
3420 3596
3421 my $min = 1e6;#d# 3597$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3422 my $avg = 10;
3423$TICK_WATCHER = Event->timer (
3424 reentrant => 0,
3425 parked => 1,
3426 prio => 0,
3427 at => $NEXT_TICK || $TICK,
3428 data => WF_AUTOCANCEL,
3429 cb => sub {
3430 if ($Coro::current != $Coro::main) { 3598 if ($Coro::current != $Coro::main) {
3431 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3599 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3432 unless ++$bug_warning > 10; 3600 unless ++$bug_warning > 10;
3433 return; 3601 return;
3434 } 3602 }
3435 3603
3436 $NOW = $tick_start = Event::time; 3604 $NOW = $tick_start = EV::now;
3437 3605
3438 cf::server_tick; # one server iteration 3606 cf::server_tick; # one server iteration
3439 3607
3440 0 && sync_job {#d# 3608 $RUNTIME += $TICK;
3441 for(1..10) { 3609 $NEXT_TICK += $TICK;
3442 my $t = Event::time;
3443 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3444 or die;
3445 3610
3446 $map->width (50); 3611 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3447 $map->height (50); 3612 $NEXT_RUNTIME_WRITE = $NOW + 10;
3448 $map->alloc; 3613 Coro::async_pool {
3449 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work 3614 $Coro::current->{desc} = "runtime saver";
3450 my $t = Event::time - $t; 3615 write_runtime
3451 3616 or warn "ERROR: unable to write runtime file: $!";
3452 #next unless $t < 0.0013;#d#
3453 if ($t < $min) {
3454 $min = $t;
3455 }
3456 $avg = $avg * 0.99 + $t * 0.01;
3457 }
3458 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3459 exit 0;
3460 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3461 }; 3617 };
3618 }
3462 3619
3463 $RUNTIME += $TICK;
3464 $NEXT_TICK += $TICK;
3465
3466 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3467 $NEXT_RUNTIME_WRITE = $NOW + 10;
3468 Coro::async_pool {
3469 write_runtime
3470 or warn "ERROR: unable to write runtime file: $!";
3471 };
3472 }
3473
3474# my $AFTER = Event::time;
3475# warn $AFTER - $NOW;#d#
3476
3477 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3620 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3478 $sig->send; 3621 $sig->send;
3479 } 3622 }
3480 while (my $sig = shift @WAIT_FOR_TICK) { 3623 while (my $sig = shift @WAIT_FOR_TICK) {
3481 $sig->send; 3624 $sig->send;
3482 } 3625 }
3483 3626
3484 $NOW = Event::time;
3485
3486 # if we are delayed by four ticks or more, skip them all
3487 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3488
3489 $TICK_WATCHER->at ($NEXT_TICK);
3490 $TICK_WATCHER->start;
3491
3492 $LOAD = ($NOW - $tick_start) / $TICK; 3627 $LOAD = ($NOW - $tick_start) / $TICK;
3493 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3628 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3494 3629
3495 _post_tick; 3630 _post_tick;
3496 3631};
3497 3632$TICK_WATCHER->priority (EV::MAXPRI);
3498 },
3499);
3500 3633
3501{ 3634{
3502 BDB::max_poll_time $TICK * 0.1; 3635 # configure BDB
3503 $BDB_POLL_WATCHER = Event->io ( 3636
3504 reentrant => 0,
3505 fd => BDB::poll_fileno,
3506 poll => 'r',
3507 prio => 0,
3508 data => WF_AUTOCANCEL,
3509 cb => \&BDB::poll_cb,
3510 );
3511 BDB::min_parallel 8; 3637 BDB::min_parallel 8;
3512 3638 BDB::max_poll_reqs $TICK * 0.1;
3513 BDB::set_sync_prepare {
3514 my $status;
3515 my $current = $Coro::current;
3516 (
3517 sub {
3518 $status = $!;
3519 $current->ready; undef $current;
3520 },
3521 sub {
3522 Coro::schedule while defined $current;
3523 $! = $status;
3524 },
3525 )
3526 };
3527 3639
3528 unless ($DB_ENV) { 3640 unless ($DB_ENV) {
3529 $DB_ENV = BDB::db_env_create; 3641 $DB_ENV = BDB::db_env_create;
3642 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3643 | BDB::LOG_AUTOREMOVE, 1);
3644 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3645 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3530 3646
3531 cf::sync_job { 3647 cf::sync_job {
3532 eval { 3648 eval {
3533 BDB::db_env_open 3649 BDB::db_env_open
3534 $DB_ENV, 3650 $DB_ENV,
3536 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3652 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3537 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3653 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3538 0666; 3654 0666;
3539 3655
3540 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3656 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3541
3542 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3543 $DB_ENV->set_lk_detect;
3544 }; 3657 };
3545 3658
3546 cf::cleanup "db_env_open(db): $@" if $@; 3659 cf::cleanup "db_env_open(db): $@" if $@;
3547 }; 3660 };
3548 } 3661 }
3662
3663 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3664 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3665 };
3666 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3667 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3668 };
3669 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3670 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3671 };
3549} 3672}
3550 3673
3551{ 3674{
3675 # configure IO::AIO
3676
3552 IO::AIO::min_parallel 8; 3677 IO::AIO::min_parallel 8;
3553
3554 undef $Coro::AIO::WATCHER;
3555 IO::AIO::max_poll_time $TICK * 0.1; 3678 IO::AIO::max_poll_time $TICK * 0.1;
3556 $AIO_POLL_WATCHER = Event->io (
3557 reentrant => 0,
3558 data => WF_AUTOCANCEL,
3559 fd => IO::AIO::poll_fileno,
3560 poll => 'r',
3561 prio => 6,
3562 cb => \&IO::AIO::poll_cb,
3563 );
3564} 3679}
3565 3680
3566my $_log_backtrace; 3681my $_log_backtrace;
3567 3682
3568sub _log_backtrace { 3683sub _log_backtrace {
3572 3687
3573 # limit the # of concurrent backtraces 3688 # limit the # of concurrent backtraces
3574 if ($_log_backtrace < 2) { 3689 if ($_log_backtrace < 2) {
3575 ++$_log_backtrace; 3690 ++$_log_backtrace;
3576 async { 3691 async {
3692 $Coro::current->{desc} = "abt $msg";
3693
3577 my @bt = fork_call { 3694 my @bt = fork_call {
3578 @addr = map { sprintf "%x", $_ } @addr; 3695 @addr = map { sprintf "%x", $_ } @addr;
3579 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3696 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3580 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3697 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3581 or die "addr2line: $!"; 3698 or die "addr2line: $!";

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