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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 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 4.1 ();
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::Storable; 23use Coro::Storable;
24use Coro::Util (); 24use Coro::Util ();
25 25
26use JSON::XS (); 26use JSON::XS 2.01 ();
27use BDB (); 27use BDB ();
28use Data::Dumper; 28use Data::Dumper;
29use Digest::MD5; 29use Digest::MD5;
30use Fcntl; 30use Fcntl;
31use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
33use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 (); 35use Digest::MD5 ();
36 36
37# configure various modules to our taste 37# configure various modules to our taste
38# 38#
39$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::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 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44 42
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1; 44$YAML::Syck::ImplicitUnicode = 1;
47 45
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
162 160
163The raw value load value from the last tick. 161The raw value load value from the last tick.
164 162
165=item %cf::CFG 163=item %cf::CFG
166 164
167Configuration for the server, loaded from C</etc/crossfire/config>, or 165Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168from wherever your confdir points to. 166from wherever your confdir points to.
169 167
170=item cf::wait_for_tick, cf::wait_for_tick_begin 168=item cf::wait_for_tick, cf::wait_for_tick_begin
171 169
172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 170These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
215)) { 213)) {
216 no strict 'refs'; 214 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 216}
219 217
220$Event::DIED = sub { 218$EV::DIED = sub {
221 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
222}; 220};
223 221
224############################################################################# 222#############################################################################
225 223
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d 247 $d
250 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
251} 249}
252 250
253=item $ref = cf::from_json $json 251=item $ref = cf::decode_json $json
254 252
255Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
256 254
257=item $json = cf::to_json $ref 255=item $json = cf::encode_json $ref
258 256
259Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
260 258
261=cut 259=cut
262 260
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 262
265sub to_json ($) { $json_coder->encode ($_[0]) } 263sub encode_json($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) } 264sub decode_json($) { $json_coder->decode ($_[0]) }
267 265
268=item cf::lock_wait $string 266=item cf::lock_wait $string
269 267
270Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
271 269
336 }; 334 };
337 $TICK_WATCHER->stop; 335 $TICK_WATCHER->stop;
338 $guard 336 $guard
339} 337}
340 338
339=item cf::periodic $interval, $cb
340
341Like EV::periodic, but randomly selects a starting point so that the actions
342get spread over timer.
343
344=cut
345
346sub periodic($$) {
347 my ($interval, $cb) = @_;
348
349 my $start = rand List::Util::min 180, $interval;
350
351 EV::periodic $start, $interval, 0, $cb
352}
353
341=item cf::get_slot $time[, $priority[, $name]] 354=item cf::get_slot $time[, $priority[, $name]]
342 355
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 356Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds 357This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede. 358of cpu time till the next tick. The slot is only valid till the next cede.
354our @SLOT_QUEUE; 367our @SLOT_QUEUE;
355our $SLOT_QUEUE; 368our $SLOT_QUEUE;
356 369
357$SLOT_QUEUE->cancel if $SLOT_QUEUE; 370$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async { 371$SLOT_QUEUE = Coro::async {
372 $Coro::current->desc ("timeslot manager");
373
359 my $signal = new Coro::Signal; 374 my $signal = new Coro::Signal;
360 375
361 while () { 376 while () {
362 next_job: 377 next_job:
363 my $avail = cf::till_tick; 378 my $avail = cf::till_tick;
371 } 386 }
372 } 387 }
373 } 388 }
374 389
375 if (@SLOT_QUEUE) { 390 if (@SLOT_QUEUE) {
376 # we do not use wait_For_tick() as it returns immediately when tick is inactive 391 # we do not use wait_for_tick() as it returns immediately when tick is inactive
377 push @cf::WAIT_FOR_TICK, $signal; 392 push @cf::WAIT_FOR_TICK, $signal;
378 $signal->wait; 393 $signal->wait;
379 } else { 394 } else {
380 Coro::schedule; 395 Coro::schedule;
381 } 396 }
404 419
405BEGIN { *async = \&Coro::async_pool } 420BEGIN { *async = \&Coro::async_pool }
406 421
407=item cf::sync_job { BLOCK } 422=item cf::sync_job { BLOCK }
408 423
409The design of Crossfire TRT requires that the main coroutine ($Coro::main) 424The design of Deliantra requires that the main coroutine ($Coro::main)
410is always able to handle events or runnable, as Crossfire TRT is only 425is always able to handle events or runnable, as Deliantra is only
411partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 426partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412acceptable. 427acceptable.
413 428
414If it must be done, put the blocking parts into C<sync_job>. This will run 429If it must be done, put the blocking parts into C<sync_job>. This will run
415the given BLOCK in another coroutine while waiting for the result. The 430the given BLOCK in another coroutine while waiting for the result. The
420 435
421sub sync_job(&) { 436sub sync_job(&) {
422 my ($job) = @_; 437 my ($job) = @_;
423 438
424 if ($Coro::current == $Coro::main) { 439 if ($Coro::current == $Coro::main) {
425 my $time = Event::time; 440 my $time = EV::time;
426 441
427 # this is the main coro, too bad, we have to block 442 # this is the main coro, too bad, we have to block
428 # till the operation succeeds, freezing the server :/ 443 # till the operation succeeds, freezing the server :/
429 444
445 LOG llevError, Carp::longmess "sync job";#d#
446
430 # TODO: use suspend/resume instead 447 # TODO: use suspend/resume instead
431 # (but this is cancel-safe) 448 # (but this is cancel-safe)
432 my $freeze_guard = freeze_mainloop; 449 my $freeze_guard = freeze_mainloop;
433 450
434 my $busy = 1; 451 my $busy = 1;
435 my @res; 452 my @res;
436 453
437 (async { 454 (async {
455 $Coro::current->desc ("sync job coro");
438 @res = eval { $job->() }; 456 @res = eval { $job->() };
439 warn $@ if $@; 457 warn $@ if $@;
440 undef $busy; 458 undef $busy;
441 })->prio (Coro::PRIO_MAX); 459 })->prio (Coro::PRIO_MAX);
442 460
443 while ($busy) { 461 while ($busy) {
444 Coro::cede or Event::one_event; 462 if (Coro::nready) {
463 Coro::cede_notself;
464 } else {
465 EV::loop EV::LOOP_ONESHOT;
445 } 466 }
467 }
446 468
447 $time = Event::time - $time; 469 $time = EV::time - $time;
448 470
449 LOG llevError | logBacktrace, Carp::longmess "long sync job" 471 LOG llevError | logBacktrace, Carp::longmess "long sync job"
450 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; 472 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451 473
452 $tick_start += $time; # do not account sync jobs to server load 474 $tick_start += $time; # do not account sync jobs to server load
482=item fork_call { }, $args 504=item fork_call { }, $args
483 505
484Executes the given code block with the given arguments in a seperate 506Executes the given code block with the given arguments in a seperate
485process, returning the results. Everything must be serialisable with 507process, returning the results. Everything must be serialisable with
486Coro::Storable. May, of course, block. Note that the executed sub may 508Coro::Storable. May, of course, block. Note that the executed sub may
487never block itself or use any form of Event handling. 509never block itself or use any form of event handling.
488 510
489=cut 511=cut
490 512
491sub fork_call(&@) { 513sub fork_call(&@) {
492 my ($cb, @args) = @_; 514 my ($cb, @args) = @_;
653attach callbacks/event handlers (a collection of which is called an "attachment") 675attach callbacks/event handlers (a collection of which is called an "attachment")
654to it. All such attachable objects support the following methods. 676to it. All such attachable objects support the following methods.
655 677
656In the following description, CLASS can be any of C<global>, C<object> 678In the following description, CLASS can be any of C<global>, C<object>
657C<player>, C<client> or C<map> (i.e. the attachable objects in 679C<player>, C<client> or C<map> (i.e. the attachable objects in
658Crossfire TRT). 680Deliantra).
659 681
660=over 4 682=over 4
661 683
662=item $attachable->attach ($attachment, key => $value...) 684=item $attachable->attach ($attachment, key => $value...)
663 685
961 983
962=cut 984=cut
963 985
964############################################################################# 986#############################################################################
965# object support 987# object support
966#
967 988
989sub _object_equal($$);
990sub _object_equal($$) {
991 my ($a, $b) = @_;
992
993 return 0 unless (ref $a) eq (ref $b);
994
995 if ("HASH" eq ref $a) {
996 my @ka = keys %$a;
997 my @kb = keys %$b;
998
999 return 0 if @ka != @kb;
1000
1001 for (0 .. $#ka) {
1002 return 0 unless $ka[$_] eq $kb[$_];
1003 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1004 }
1005
1006 } elsif ("ARRAY" eq ref $a) {
1007
1008 return 0 if @$a != @$b;
1009
1010 for (0 .. $#$a) {
1011 return 0 unless _object_equal $a->[$_], $b->[$_];
1012 }
1013
1014 } elsif ($a ne $b) {
1015 return 0;
1016 }
1017
1018 1
1019}
1020
1021our $SLOW_MERGES;#d#
968sub _can_merge { 1022sub _can_merge {
969 my ($ob1, $ob2) = @_; 1023 my ($ob1, $ob2) = @_;
970 1024
971 local $Storable::canonical = 1; 1025 ++$SLOW_MERGES;#d#
972 my $fob1 = Storable::freeze $ob1;
973 my $fob2 = Storable::freeze $ob2;
974 1026
975 $fob1 eq $fob2 1027 # we do the slow way here
1028 return _object_equal $ob1, $ob2
976} 1029}
977 1030
978sub reattach { 1031sub reattach {
979 # basically do the same as instantiate, without calling instantiate 1032 # basically do the same as instantiate, without calling instantiate
980 my ($obj) = @_; 1033 my ($obj) = @_;
1002cf::attachable->attach ( 1055cf::attachable->attach (
1003 prio => -1000000, 1056 prio => -1000000,
1004 on_instantiate => sub { 1057 on_instantiate => sub {
1005 my ($obj, $data) = @_; 1058 my ($obj, $data) = @_;
1006 1059
1007 $data = from_json $data; 1060 $data = decode_json $data;
1008 1061
1009 for (@$data) { 1062 for (@$data) {
1010 my ($name, $args) = @$_; 1063 my ($name, $args) = @$_;
1011 1064
1012 $obj->attach ($name, %{$args || {} }); 1065 $obj->attach ($name, %{$args || {} });
1041 close $fh; 1094 close $fh;
1042 1095
1043 if (@$objs) { 1096 if (@$objs) {
1044 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1097 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1045 chmod SAVE_MODE, $fh; 1098 chmod SAVE_MODE, $fh;
1046 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1099 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1047 aio_write $fh, 0, (length $data), $data, 0; 1100 aio_write $fh, 0, (length $data), $data, 0;
1048 aio_fsync $fh if $cf::USE_FSYNC; 1101 aio_fsync $fh if $cf::USE_FSYNC;
1049 close $fh; 1102 close $fh;
1050 aio_rename "$filename.pst~", "$filename.pst"; 1103 aio_rename "$filename.pst~", "$filename.pst";
1051 } 1104 }
1082 1135
1083 unless (aio_stat "$filename.pst") { 1136 unless (aio_stat "$filename.pst") {
1084 (aio_load "$filename.pst", $av) >= 0 1137 (aio_load "$filename.pst", $av) >= 0
1085 or return; 1138 or return;
1086 1139
1087 $av = eval { (Storable::thaw $av)->{objs} }; 1140 my $st = eval { Coro::Storable::thaw $av };
1141 $av = $st->{objs};
1088 } 1142 }
1089 1143
1090 utf8::decode (my $decname = $filename); 1144 utf8::decode (my $decname = $filename);
1091 warn sprintf "loading %s (%d,%d)\n", 1145 warn sprintf "loading %s (%d,%d)\n",
1092 $decname, length $data, scalar @{$av || []}; 1146 $decname, length $data, scalar @{$av || []};
1507 1561
1508Expand crossfire pod fragments into protocol xml. 1562Expand crossfire pod fragments into protocol xml.
1509 1563
1510=cut 1564=cut
1511 1565
1566use re 'eval';
1567
1568my $group;
1569my $interior; $interior = qr{
1570 # match a pod interior sequence sans C<< >>
1571 (?:
1572 \ (.*?)\ (?{ $group = $^N })
1573 | < (??{$interior}) >
1574 )
1575}x;
1576
1512sub expand_cfpod { 1577sub expand_cfpod {
1513 ((my $self), (local $_)) = @_; 1578 my ($self, $pod) = @_;
1514 1579
1515 # escape & and < 1580 my $xml;
1516 s/&/&amp;/g;
1517 s/(?<![BIUGHT])</&lt;/g;
1518 1581
1519 # this is buggy, it needs to properly take care of nested <'s 1582 while () {
1583 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584 $group = $1;
1520 1585
1521 1 while 1586 $group =~ s/&/&amp;/g;
1522 # replace B<>, I<>, U<> etc. 1587 $group =~ s/</&lt;/g;
1523 s/B<([^\>]*)>/<b>$1<\/b>/ 1588
1524 || s/I<([^\>]*)>/<i>$1<\/i>/ 1589 $xml .= $group;
1525 || s/U<([^\>]*)>/<u>$1<\/u>/ 1590 } elsif ($pod =~ m%\G
1526 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1591 ([BCGHITU])
1527 # replace G<male|female> tags 1592 <
1528 || s{G<([^>|]*)\|([^>]*)>}{ 1593 (?:
1529 $self->gender ? $2 : $1 1594 ([^<>]*) (?{ $group = $^N })
1530 }ge 1595 | < $interior >
1531 # replace H<hint text> 1596 )
1532 || s{H<([^\>]*)>} 1597 >
1598 %gcsx
1533 { 1599 ) {
1600 my ($code, $data) = ($1, $group);
1601
1602 if ($code eq "B") {
1603 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604 } elsif ($code eq "I") {
1605 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606 } elsif ($code eq "U") {
1607 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608 } elsif ($code eq "C") {
1609 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610 } elsif ($code eq "T") {
1611 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612 } elsif ($code eq "G") {
1613 my ($male, $female) = split /\|/, $data;
1614 $data = $self->gender ? $female : $male;
1615 $xml .= expand_cfpod ($self, $data);
1616 } elsif ($code eq "H") {
1534 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1617 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1535 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1618 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1536 "") 1619 "")
1537 [$self->{hintmode}] 1620 [$self->{hintmode}];
1621 } else {
1622 $xml .= "error processing '$code($data)' directive";
1538 }ge; 1623 }
1624 } else {
1625 if ($pod =~ /\G(.+)/) {
1626 warn "parse error while expanding $pod (at $1)";
1627 }
1628 last;
1629 }
1630 }
1539 1631
1632 for ($xml) {
1540 # create single paragraphs (very hackish) 1633 # create single paragraphs (very hackish)
1541 s/(?<=\S)\n(?=\w)/ /g; 1634 s/(?<=\S)\n(?=\w)/ /g;
1542 1635
1543 # compress some whitespace 1636 # compress some whitespace
1544 s/\s+\n/\n/g; # ws line-ends 1637 s/\s+\n/\n/g; # ws line-ends
1545 s/\n\n+/\n/g; # double lines 1638 s/\n\n+/\n/g; # double lines
1546 s/^\n+//; # beginning lines 1639 s/^\n+//; # beginning lines
1547 s/\n+$//; # ending lines 1640 s/\n+$//; # ending lines
1641 }
1548 1642
1549 $_ 1643 $xml
1550} 1644}
1645
1646no re 'eval';
1551 1647
1552sub hintmode { 1648sub hintmode {
1553 $_[0]{hintmode} = $_[1] if @_ > 1; 1649 $_[0]{hintmode} = $_[1] if @_ > 1;
1554 $_[0]{hintmode} 1650 $_[0]{hintmode}
1555} 1651}
2036 } 2132 }
2037 2133
2038 $MAP_PREFETCH{$path} |= $load; 2134 $MAP_PREFETCH{$path} |= $load;
2039 2135
2040 $MAP_PREFETCHER ||= cf::async { 2136 $MAP_PREFETCHER ||= cf::async {
2137 $Coro::current->{desc} = "map prefetcher";
2138
2041 while (%MAP_PREFETCH) { 2139 while (%MAP_PREFETCH) {
2042 while (my ($k, $v) = each %MAP_PREFETCH) { 2140 while (my ($k, $v) = each %MAP_PREFETCH) {
2043 if (my $map = find $k) { 2141 if (my $map = find $k) {
2044 $map->load if $v; 2142 $map->load if $v;
2045 } 2143 }
2071 return if $self->{deny_save}; 2169 return if $self->{deny_save};
2072 2170
2073 local $self->{last_access} = $self->last_access;#d# 2171 local $self->{last_access} = $self->last_access;#d#
2074 2172
2075 cf::async { 2173 cf::async {
2174 $Coro::current->{desc} = "map player save";
2076 $_->contr->save for $self->players; 2175 $_->contr->save for $self->players;
2077 }; 2176 };
2078 2177
2079 if ($uniq) { 2178 if ($uniq) {
2080 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2179 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2267=cut 2366=cut
2268 2367
2269sub deref { 2368sub deref {
2270 my ($ref) = @_; 2369 my ($ref) = @_;
2271 2370
2272 # temporary compatibility#TODO#remove
2273 $ref =~ s{^<}{player/<};
2274
2275 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2371 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2276 my ($uuid, $name) = ($1, $2); 2372 my ($uuid, $name) = ($1, $2);
2277 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2373 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278 or return; 2374 or return;
2279 $pl->ob->uuid eq $uuid 2375 $pl->ob->uuid eq $uuid
2280 or return; 2376 or return;
2451 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2547 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2452 2548
2453 $self->enter_link; 2549 $self->enter_link;
2454 2550
2455 (async { 2551 (async {
2552 $Coro::current->{desc} = "player::goto $path $x $y";
2553
2456 # *tag paths override both path and x|y 2554 # *tag paths override both path and x|y
2457 if ($path =~ /^\*(.*)$/) { 2555 if ($path =~ /^\*(.*)$/) {
2458 if (my @obs = grep $_->map, ext::map_tags::find $1) { 2556 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459 my $ob = $obs[rand @obs]; 2557 my $ob = $obs[rand @obs];
2460 2558
2540 $rmp->{origin_y} = $exit->y; 2638 $rmp->{origin_y} = $exit->y;
2541 } 2639 }
2542 2640
2543 $rmp->{random_seed} ||= $exit->random_seed; 2641 $rmp->{random_seed} ||= $exit->random_seed;
2544 2642
2545 my $data = cf::to_json $rmp; 2643 my $data = cf::encode_json $rmp;
2546 my $md5 = Digest::MD5::md5_hex $data; 2644 my $md5 = Digest::MD5::md5_hex $data;
2547 my $meta = "$RANDOMDIR/$md5.meta"; 2645 my $meta = "$RANDOMDIR/$md5.meta";
2548 2646
2549 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2647 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2550 aio_write $fh, 0, (length $data), $data, 0; 2648 aio_write $fh, 0, (length $data), $data, 0;
2577 # if exit is damned, update players death & WoR home-position 2675 # if exit is damned, update players death & WoR home-position
2578 $self->contr->savebed ($slaying, $hp, $sp) 2676 $self->contr->savebed ($slaying, $hp, $sp)
2579 if $exit->flag (FLAG_DAMNED); 2677 if $exit->flag (FLAG_DAMNED);
2580 2678
2581 (async { 2679 (async {
2680 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2681
2582 $self->deactivate_recursive; # just to be sure 2682 $self->deactivate_recursive; # just to be sure
2583 unless (eval { 2683 unless (eval {
2584 $self->goto ($slaying, $hp, $sp); 2684 $self->goto ($slaying, $hp, $sp);
2585 2685
2586 1; 2686 1;
2621the message, with C<log> being the default. If C<$color> is negative, suppress 2721the message, with C<log> being the default. If C<$color> is negative, suppress
2622the message unless the client supports the msg packet. 2722the message unless the client supports the msg packet.
2623 2723
2624=cut 2724=cut
2625 2725
2726# non-persistent channels (usually the info channel)
2626our %CHANNEL = ( 2727our %CHANNEL = (
2627 "c/identify" => { 2728 "c/identify" => {
2628 id => "identify", 2729 id => "infobox",
2629 title => "Identify", 2730 title => "Identify",
2630 reply => undef, 2731 reply => undef,
2631 tooltip => "Items recently identified", 2732 tooltip => "Items recently identified",
2632 }, 2733 },
2633 "c/examine" => { 2734 "c/examine" => {
2634 id => "examine", 2735 id => "infobox",
2635 title => "Examine", 2736 title => "Examine",
2636 reply => undef, 2737 reply => undef,
2637 tooltip => "Signs and other items you examined", 2738 tooltip => "Signs and other items you examined",
2638 }, 2739 },
2740 "c/book" => {
2741 id => "infobox",
2742 title => "Book",
2743 reply => undef,
2744 tooltip => "The contents of a note or book",
2745 },
2746 "c/lookat" => {
2747 id => "infobox",
2748 title => "Look",
2749 reply => undef,
2750 tooltip => "What you saw there",
2751 },
2752 "c/who" => {
2753 id => "infobox",
2754 title => "Players",
2755 reply => undef,
2756 tooltip => "Shows players who are currently online",
2757 },
2758 "c/body" => {
2759 id => "infobox",
2760 title => "Body Parts",
2761 reply => undef,
2762 tooltip => "Shows which body parts you posess and are available",
2763 },
2764 "c/uptime" => {
2765 id => "infobox",
2766 title => "Uptime",
2767 reply => undef,
2768 tooltip => "How long the server has been running since last restart",
2769 },
2770 "c/mapinfo" => {
2771 id => "infobox",
2772 title => "Map Info",
2773 reply => undef,
2774 tooltip => "Information related to the maps",
2775 },
2639); 2776);
2640 2777
2641sub cf::client::send_msg { 2778sub cf::client::send_msg {
2642 my ($self, $channel, $msg, $color, @extra) = @_; 2779 my ($self, $channel, $msg, $color, @extra) = @_;
2643 2780
2644 $msg = $self->pl->expand_cfpod ($msg); 2781 $msg = $self->pl->expand_cfpod ($msg);
2645 2782
2646 $color &= cf::NDI_CLIENT_MASK; # just in case... 2783 $color &= cf::NDI_CLIENT_MASK; # just in case...
2647 2784
2648 # check predefined channels, for the benefit of C 2785 # check predefined channels, for the benefit of C
2649 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2786 if ($CHANNEL{$channel}) {
2787 $channel = $CHANNEL{$channel};
2650 2788
2789 $self->ext_msg (channel_info => $channel)
2790 if $self->can_msg;
2791
2792 $channel = $channel->{id};
2793
2651 if (ref $channel) { 2794 } elsif (ref $channel) {
2652 # send meta info to client, if not yet sent 2795 # send meta info to client, if not yet sent
2653 unless (exists $self->{channel}{$channel->{id}}) { 2796 unless (exists $self->{channel}{$channel->{id}}) {
2654 $self->{channel}{$channel->{id}} = $channel; 2797 $self->{channel}{$channel->{id}} = $channel;
2655 $self->ext_msg (channel_info => $channel) 2798 $self->ext_msg (channel_info => $channel)
2656 if $self->can_msg; 2799 if $self->can_msg;
2873=pod 3016=pod
2874 3017
2875The following functions and methods are available within a safe environment: 3018The following functions and methods are available within a safe environment:
2876 3019
2877 cf::object 3020 cf::object
2878 contr pay_amount pay_player map x y force_find force_add 3021 contr pay_amount pay_player map x y force_find force_add destroy
2879 insert remove name archname title slaying race decrease_ob_nr 3022 insert remove name archname title slaying race decrease_ob_nr
2880 3023
2881 cf::object::player 3024 cf::object::player
2882 player 3025 player
2883 3026
2890=cut 3033=cut
2891 3034
2892for ( 3035for (
2893 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3036 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894 insert remove inv name archname title slaying race 3037 insert remove inv name archname title slaying race
2895 decrease_ob_nr)], 3038 decrease_ob_nr destroy)],
2896 ["cf::object::player" => qw(player)], 3039 ["cf::object::player" => qw(player)],
2897 ["cf::player" => qw(peaceful)], 3040 ["cf::player" => qw(peaceful)],
2898 ["cf::map" => qw(trigger)], 3041 ["cf::map" => qw(trigger)],
2899) { 3042) {
2900 no strict 'refs'; 3043 no strict 'refs';
3175sub main { 3318sub main {
3176 # we must not ever block the main coroutine 3319 # we must not ever block the main coroutine
3177 local $Coro::idle = sub { 3320 local $Coro::idle = sub {
3178 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3321 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3179 (async { 3322 (async {
3180 Event::one_event; 3323 $Coro::current->{desc} = "IDLE BUG HANDLER";
3324 EV::loop EV::LOOP_ONESHOT;
3181 })->prio (Coro::PRIO_MAX); 3325 })->prio (Coro::PRIO_MAX);
3182 }; 3326 };
3183 3327
3184 reload_config; 3328 reload_config;
3185 db_init; 3329 db_init;
3186 load_extensions; 3330 load_extensions;
3187 3331
3188 $TICK_WATCHER->start; 3332 $TICK_WATCHER->start;
3333 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3189 Event::loop; 3334 EV::loop;
3190} 3335}
3191 3336
3192############################################################################# 3337#############################################################################
3193# initialisation and cleanup 3338# initialisation and cleanup
3194 3339
3195# install some emergency cleanup handlers 3340# install some emergency cleanup handlers
3196BEGIN { 3341BEGIN {
3342 our %SIGWATCHER = ();
3197 for my $signal (qw(INT HUP TERM)) { 3343 for my $signal (qw(INT HUP TERM)) {
3198 Event->signal ( 3344 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3199 reentrant => 0,
3200 data => WF_AUTOCANCEL,
3201 signal => $signal,
3202 prio => 0,
3203 cb => sub {
3204 cf::cleanup "SIG$signal"; 3345 cf::cleanup "SIG$signal";
3205 },
3206 ); 3346 };
3207 } 3347 }
3208} 3348}
3209 3349
3210sub write_runtime { 3350sub write_runtime {
3211 my $runtime = "$LOCALDIR/runtime"; 3351 my $runtime = "$LOCALDIR/runtime";
3256 # and maps saved/destroyed asynchronously. 3396 # and maps saved/destroyed asynchronously.
3257 warn "begin emergency player save\n"; 3397 warn "begin emergency player save\n";
3258 for my $login (keys %cf::PLAYER) { 3398 for my $login (keys %cf::PLAYER) {
3259 my $pl = $cf::PLAYER{$login} or next; 3399 my $pl = $cf::PLAYER{$login} or next;
3260 $pl->valid or next; 3400 $pl->valid or next;
3401 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3261 $pl->save; 3402 $pl->save;
3262 } 3403 }
3263 warn "end emergency player save\n"; 3404 warn "end emergency player save\n";
3264 3405
3265 warn "begin emergency map save\n"; 3406 warn "begin emergency map save\n";
3304 warn "syncing database to disk"; 3445 warn "syncing database to disk";
3305 BDB::db_env_txn_checkpoint $DB_ENV; 3446 BDB::db_env_txn_checkpoint $DB_ENV;
3306 3447
3307 # if anything goes wrong in here, we should simply crash as we already saved 3448 # if anything goes wrong in here, we should simply crash as we already saved
3308 3449
3309 warn "cancelling all WF_AUTOCANCEL watchers";
3310 for (Event::all_watchers) {
3311 $_->cancel if $_->data & WF_AUTOCANCEL;
3312 }
3313
3314 warn "flushing outstanding aio requests"; 3450 warn "flushing outstanding aio requests";
3315 for (;;) { 3451 for (;;) {
3316 BDB::flush; 3452 BDB::flush;
3317 IO::AIO::flush; 3453 IO::AIO::flush;
3318 Coro::cede; 3454 Coro::cede_notself;
3319 last unless IO::AIO::nreqs || BDB::nreqs; 3455 last unless IO::AIO::nreqs || BDB::nreqs;
3320 warn "iterate..."; 3456 warn "iterate...";
3321 } 3457 }
3322 3458
3323 ++$RELOAD; 3459 ++$RELOAD;
3412 3548
3413sub reload_perl() { 3549sub reload_perl() {
3414 # doing reload synchronously and two reloads happen back-to-back, 3550 # doing reload synchronously and two reloads happen back-to-back,
3415 # coro crashes during coro_state_free->destroy here. 3551 # coro crashes during coro_state_free->destroy here.
3416 3552
3417 $RELOAD_WATCHER ||= Event->timer ( 3553 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3418 reentrant => 0,
3419 after => 0,
3420 data => WF_AUTOCANCEL,
3421 cb => sub {
3422 do_reload_perl;
3423 undef $RELOAD_WATCHER; 3554 undef $RELOAD_WATCHER;
3424 }, 3555 do_reload_perl;
3425 ); 3556 };
3426} 3557}
3427 3558
3428register_command "reload" => sub { 3559register_command "reload" => sub {
3429 my ($who, $arg) = @_; 3560 my ($who, $arg) = @_;
3430 3561
3431 if ($who->flag (FLAG_WIZ)) { 3562 if ($who->flag (FLAG_WIZ)) {
3432 $who->message ("reloading server."); 3563 $who->message ("reloading server.");
3564 async {
3565 $Coro::current->{desc} = "perl_reload";
3433 async { reload_perl }; 3566 reload_perl;
3567 };
3434 } 3568 }
3435}; 3569};
3436 3570
3437unshift @INC, $LIBDIR; 3571unshift @INC, $LIBDIR;
3438 3572
3457 my $signal = new Coro::Signal; 3591 my $signal = new Coro::Signal;
3458 push @WAIT_FOR_TICK_BEGIN, $signal; 3592 push @WAIT_FOR_TICK_BEGIN, $signal;
3459 $signal->wait; 3593 $signal->wait;
3460} 3594}
3461 3595
3462$TICK_WATCHER = Event->timer ( 3596$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3463 reentrant => 0,
3464 parked => 1,
3465 prio => 0,
3466 at => $NEXT_TICK || $TICK,
3467 data => WF_AUTOCANCEL,
3468 cb => sub {
3469 if ($Coro::current != $Coro::main) { 3597 if ($Coro::current != $Coro::main) {
3470 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3598 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3471 unless ++$bug_warning > 10; 3599 unless ++$bug_warning > 10;
3472 return; 3600 return;
3473 } 3601 }
3474 3602
3475 $NOW = $tick_start = Event::time; 3603 $NOW = $tick_start = EV::now;
3476 3604
3477 cf::server_tick; # one server iteration 3605 cf::server_tick; # one server iteration
3478 3606
3479 $RUNTIME += $TICK; 3607 $RUNTIME += $TICK;
3480 $NEXT_TICK += $TICK; 3608 $NEXT_TICK += $TICK;
3481 3609
3482 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3610 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483 $NEXT_RUNTIME_WRITE = $NOW + 10; 3611 $NEXT_RUNTIME_WRITE = $NOW + 10;
3484 Coro::async_pool { 3612 Coro::async_pool {
3613 $Coro::current->{desc} = "runtime saver";
3485 write_runtime 3614 write_runtime
3486 or warn "ERROR: unable to write runtime file: $!"; 3615 or warn "ERROR: unable to write runtime file: $!";
3487 };
3488 } 3616 };
3617 }
3489 3618
3490 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3619 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3491 $sig->send; 3620 $sig->send;
3492 } 3621 }
3493 while (my $sig = shift @WAIT_FOR_TICK) { 3622 while (my $sig = shift @WAIT_FOR_TICK) {
3494 $sig->send; 3623 $sig->send;
3495 } 3624 }
3496 3625
3497 $NOW = Event::time;
3498
3499 # if we are delayed by four ticks or more, skip them all
3500 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3501
3502 $TICK_WATCHER->at ($NEXT_TICK);
3503 $TICK_WATCHER->start;
3504
3505 $LOAD = ($NOW - $tick_start) / $TICK; 3626 $LOAD = ($NOW - $tick_start) / $TICK;
3506 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3627 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507 3628
3508 _post_tick; 3629 _post_tick;
3509 }, 3630};
3510); 3631$TICK_WATCHER->priority (EV::MAXPRI);
3511 3632
3512{ 3633{
3513 BDB::min_parallel 8; 3634 BDB::min_parallel 8;
3514 BDB::max_poll_time $TICK * 0.1; 3635 BDB::max_poll_time $TICK * 0.1;
3515 $BDB_POLL_WATCHER = Event->io ( 3636 $BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
3516 reentrant => 0,
3517 fd => BDB::poll_fileno,
3518 poll => 'r',
3519 prio => 0,
3520 data => WF_AUTOCANCEL,
3521 cb => \&BDB::poll_cb,
3522 );
3523 3637
3524 BDB::set_sync_prepare { 3638 BDB::set_sync_prepare {
3525 my $status; 3639 my $status;
3526 my $current = $Coro::current; 3640 my $current = $Coro::current;
3527 ( 3641 (
3557 3671
3558 cf::cleanup "db_env_open(db): $@" if $@; 3672 cf::cleanup "db_env_open(db): $@" if $@;
3559 }; 3673 };
3560 } 3674 }
3561 3675
3562 $BDB_DEADLOCK_WATCHER = Event->timer ( 3676 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563 after => 3,
3564 interval => 1,
3565 hard => 1,
3566 prio => 0,
3567 data => WF_AUTOCANCEL,
3568 cb => sub {
3569 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3677 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3570 },
3571 ); 3678 };
3572 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3679 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3573 after => 11,
3574 interval => 60,
3575 hard => 1,
3576 prio => 0,
3577 data => WF_AUTOCANCEL,
3578 cb => sub {
3579 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3680 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580 },
3581 ); 3681 };
3582 $BDB_TRICKLE_WATCHER = Event->timer ( 3682 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3583 after => 5,
3584 interval => 10,
3585 hard => 1,
3586 prio => 0,
3587 data => WF_AUTOCANCEL,
3588 cb => sub {
3589 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3683 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590 },
3591 ); 3684 };
3592} 3685}
3593 3686
3594{ 3687{
3595 IO::AIO::min_parallel 8; 3688 IO::AIO::min_parallel 8;
3596 3689
3597 undef $Coro::AIO::WATCHER; 3690 undef $Coro::AIO::WATCHER;
3598 IO::AIO::max_poll_time $TICK * 0.1; 3691 IO::AIO::max_poll_time $TICK * 0.1;
3599 $AIO_POLL_WATCHER = Event->io ( 3692 $AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
3600 reentrant => 0,
3601 data => WF_AUTOCANCEL,
3602 fd => IO::AIO::poll_fileno,
3603 poll => 'r',
3604 prio => 6,
3605 cb => \&IO::AIO::poll_cb,
3606 );
3607} 3693}
3608 3694
3609my $_log_backtrace; 3695my $_log_backtrace;
3610 3696
3611sub _log_backtrace { 3697sub _log_backtrace {
3615 3701
3616 # limit the # of concurrent backtraces 3702 # limit the # of concurrent backtraces
3617 if ($_log_backtrace < 2) { 3703 if ($_log_backtrace < 2) {
3618 ++$_log_backtrace; 3704 ++$_log_backtrace;
3619 async { 3705 async {
3706 $Coro::current->{desc} = "abt $msg";
3707
3620 my @bt = fork_call { 3708 my @bt = fork_call {
3621 @addr = map { sprintf "%x", $_ } @addr; 3709 @addr = map { sprintf "%x", $_ } @addr;
3622 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3710 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3711 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624 or die "addr2line: $!"; 3712 or die "addr2line: $!";

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