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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.384 by root, Fri Oct 12 18:17:16 2007 UTC vs.
Revision 1.422 by root, Tue Apr 15 20:46:55 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 4.1 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
24use Coro::Util (); 46use Coro::Util ();
25 47
26use JSON::XS (); 48use JSON::XS 2.01 ();
27use BDB (); 49use BDB ();
28use Data::Dumper; 50use Data::Dumper;
29use Digest::MD5; 51use Digest::MD5;
30use Fcntl; 52use Fcntl;
31use YAML::Syck (); 53use YAML ();
32use IO::AIO 2.51 (); 54use IO::AIO 2.51 ();
33use Time::HiRes; 55use Time::HiRes;
34use Compress::LZF; 56use Compress::LZF;
35use Digest::MD5 (); 57use Digest::MD5 ();
36 58
37# configure various modules to our taste 59# configure various modules to our taste
38# 60#
39$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::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 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47 64
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 66
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 68
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
75 93
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 97our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
83 99
84our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER; 101our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER; 102our $BDB_CHECKPOINT_WATCHER;
89 105
90our %CFG; 106our %CFG;
91 107
92our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
93our $RUNTIME; 109our $RUNTIME;
110our $NOW;
94 111
95our (%PLAYER, %PLAYER_LOADING); # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
96our (%MAP, %MAP_LOADING ); # all maps 113our (%MAP, %MAP_LOADING ); # all maps
97our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
98 115
99# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101 118
102our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
104our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
105 123
106binmode STDOUT; 124binmode STDOUT;
107binmode STDERR; 125binmode STDERR;
108 126
109# read virtual server time, if available 127# read virtual server time, if available
162 180
163The raw value load value from the last tick. 181The raw value load value from the last tick.
164 182
165=item %cf::CFG 183=item %cf::CFG
166 184
167Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168from wherever your confdir points to. 186from wherever your confdir points to.
169 187
170=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
171 189
172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 212
195 LOG llevError, $msg; 213 LOG llevError, $msg;
196 }; 214 };
197} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
198 231
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
215)) { 248)) {
216 no strict 'refs'; 249 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 251}
219 252
220$Event::DIED = sub { 253$EV::DIED = sub {
221 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
222}; 255};
223 256
224############################################################################# 257#############################################################################
225 258
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d 282 $d
250 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
251} 284}
252 285
253=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
254 287
255Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
256 289
257=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
258 291
259Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
260 293
261=cut 294=cut
262 295
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 297
265sub to_json ($) { $json_coder->encode ($_[0]) } 298sub encode_json($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) } 299sub decode_json($) { $json_coder->decode ($_[0]) }
267 300
268=item cf::lock_wait $string 301=item cf::lock_wait $string
269 302
270Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
271 304
327 360
328 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
329} 362}
330 363
331sub freeze_mainloop { 364sub freeze_mainloop {
332 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
333 366
334 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
335 $TICK_WATCHER->start; 368}
336 }; 369
337 $TICK_WATCHER->stop; 370=item cf::periodic $interval, $cb
338 $guard 371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
339} 383}
340 384
341=item cf::get_slot $time[, $priority[, $name]] 385=item cf::get_slot $time[, $priority[, $name]]
342 386
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 387Allocate $time seconds of blocking CPU time at priority C<$priority>:
383 } 427 }
384 } 428 }
385}; 429};
386 430
387sub get_slot($;$$) { 431sub get_slot($;$$) {
432 return if tick_inhibit;
433
388 my ($time, $pri, $name) = @_; 434 my ($time, $pri, $name) = @_;
389 435
390 $time = $TICK * .6 if $time > $TICK * .6; 436 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal; 437 my $sig = new Coro::Signal;
392 438
406 452
407BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
408 454
409=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
410 456
411The design of Crossfire TRT requires that the main coroutine ($Coro::main) 457The design of Deliantra requires that the main coroutine ($Coro::main)
412is always able to handle events or runnable, as Crossfire TRT is only 458is always able to handle events or runnable, as Deliantra is only
413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable. 460acceptable.
415 461
416If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
417the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
422 468
423sub sync_job(&) { 469sub sync_job(&) {
424 my ($job) = @_; 470 my ($job) = @_;
425 471
426 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 473 my $time = EV::time;
428 474
429 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
431 477
432 LOG llevError | logBacktrace, Carp::longmess "sync job";#d# 478 LOG llevError, Carp::longmess "sync job";#d#
433 479
434 # TODO: use suspend/resume instead
435 # (but this is cancel-safe)
436 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
437 481
438 my $busy = 1; 482 my $busy = 1;
439 my @res; 483 my @res;
440 484
444 warn $@ if $@; 488 warn $@ if $@;
445 undef $busy; 489 undef $busy;
446 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
447 491
448 while ($busy) { 492 while ($busy) {
449 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
450 } 497 }
498 }
451 499
452 $time = Event::time - $time; 500 my $time = EV::time - $time;
453 501
454 LOG llevError | logBacktrace, Carp::longmess "long sync job"
455 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457 $tick_start += $time; # do not account sync jobs to server load 502 $TICK_START += $time; # do not account sync jobs to server load
458 503
459 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
460 } else { 505 } else {
461 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
462 507
487=item fork_call { }, $args 532=item fork_call { }, $args
488 533
489Executes the given code block with the given arguments in a seperate 534Executes the given code block with the given arguments in a seperate
490process, returning the results. Everything must be serialisable with 535process, returning the results. Everything must be serialisable with
491Coro::Storable. May, of course, block. Note that the executed sub may 536Coro::Storable. May, of course, block. Note that the executed sub may
492never block itself or use any form of Event handling. 537never block itself or use any form of event handling.
493 538
494=cut 539=cut
495 540
496sub fork_call(&@) { 541sub fork_call(&@) {
497 my ($cb, @args) = @_; 542 my ($cb, @args) = @_;
504 reset_signals; 549 reset_signals;
505 &$cb 550 &$cb
506 }, @args; 551 }, @args;
507 552
508 wantarray ? @res : $res[-1] 553 wantarray ? @res : $res[-1]
554}
555
556=item $coin = coin_from_name $name
557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
509} 581}
510 582
511=item $value = cf::db_get $family => $key 583=item $value = cf::db_get $family => $key
512 584
513Returns a single value from the environment database. 585Returns a single value from the environment database.
658attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
659to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
660 732
661In the following description, CLASS can be any of C<global>, C<object> 733In the following description, CLASS can be any of C<global>, C<object>
662C<player>, C<client> or C<map> (i.e. the attachable objects in 734C<player>, C<client> or C<map> (i.e. the attachable objects in
663Crossfire TRT). 735Deliantra).
664 736
665=over 4 737=over 4
666 738
667=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
668 740
950 } 1022 }
951 1023
952 0 1024 0
953} 1025}
954 1026
955=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956 1028
957=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958 1030
959Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
960 1032
966 1038
967=cut 1039=cut
968 1040
969############################################################################# 1041#############################################################################
970# object support 1042# object support
971#
972 1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
973sub _can_merge { 1077sub _can_merge {
974 my ($ob1, $ob2) = @_; 1078 my ($ob1, $ob2) = @_;
975 1079
976 local $Storable::canonical = 1; 1080 ++$SLOW_MERGES;#d#
977 my $fob1 = Storable::freeze $ob1;
978 my $fob2 = Storable::freeze $ob2;
979 1081
980 $fob1 eq $fob2 1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
981} 1084}
982 1085
983sub reattach { 1086sub reattach {
984 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
985 my ($obj) = @_; 1088 my ($obj) = @_;
1007cf::attachable->attach ( 1110cf::attachable->attach (
1008 prio => -1000000, 1111 prio => -1000000,
1009 on_instantiate => sub { 1112 on_instantiate => sub {
1010 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
1011 1114
1012 $data = from_json $data; 1115 $data = decode_json $data;
1013 1116
1014 for (@$data) { 1117 for (@$data) {
1015 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
1016 1119
1017 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
1046 close $fh; 1149 close $fh;
1047 1150
1048 if (@$objs) { 1151 if (@$objs) {
1049 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1153 chmod SAVE_MODE, $fh;
1051 my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
1053 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
1054 close $fh; 1157 close $fh;
1055 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
1056 } 1159 }
1087 1190
1088 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
1089 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
1090 or return; 1193 or return;
1091 1194
1092 my $st = eval { Coro::Storable::thaw $av } 1195 my $st = eval { Coro::Storable::thaw $av };
1093 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094 $av = $st->{objs}; 1196 $av = $st->{objs};
1095 } 1197 }
1096 1198
1097 utf8::decode (my $decname = $filename); 1199 utf8::decode (my $decname = $filename);
1098 warn sprintf "loading %s (%d,%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
1255 my $msg = $@ ? "$v->{path}: $@\n" 1357 my $msg = $@ ? "$v->{path}: $@\n"
1256 : "$v->{base}: extension inactive.\n"; 1358 : "$v->{base}: extension inactive.\n";
1257 1359
1258 if (exists $v->{meta}{mandatory}) { 1360 if (exists $v->{meta}{mandatory}) {
1259 warn $msg; 1361 warn $msg;
1260 warn "mandatory extension failed to load, exiting.\n"; 1362 cf::cleanup "mandatory extension failed to load, exiting.";
1261 exit 1;
1262 } 1363 }
1263 1364
1264 warn $msg; 1365 warn $msg;
1265 } 1366 }
1266 1367
1375 return if $pl->{deny_save}; 1476 return if $pl->{deny_save};
1376 1477
1377 aio_mkdir playerdir $pl, 0770; 1478 aio_mkdir playerdir $pl, 0770;
1378 $pl->{last_save} = $cf::RUNTIME; 1479 $pl->{last_save} = $cf::RUNTIME;
1379 1480
1481 cf::get_slot 0.01;
1482
1380 $pl->save_pl ($path); 1483 $pl->save_pl ($path);
1381 cf::cede_to_tick; 1484 cf::cede_to_tick;
1382} 1485}
1383 1486
1384sub new($) { 1487sub new($) {
1514 1617
1515Expand crossfire pod fragments into protocol xml. 1618Expand crossfire pod fragments into protocol xml.
1516 1619
1517=cut 1620=cut
1518 1621
1622use re 'eval';
1623
1624my $group;
1625my $interior; $interior = qr{
1626 # match a pod interior sequence sans C<< >>
1627 (?:
1628 \ (.*?)\ (?{ $group = $^N })
1629 | < (??{$interior}) >
1630 )
1631}x;
1632
1519sub expand_cfpod { 1633sub expand_cfpod {
1520 ((my $self), (local $_)) = @_; 1634 my ($self, $pod) = @_;
1521 1635
1522 # escape & and < 1636 my $xml;
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525 1637
1526 # this is buggy, it needs to properly take care of nested <'s 1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1527 1641
1528 1 while 1642 $group =~ s/&/&amp;/g;
1529 # replace B<>, I<>, U<> etc. 1643 $group =~ s/</&lt;/g;
1530 s/B<([^\>]*)>/<b>$1<\/b>/ 1644
1531 || s/I<([^\>]*)>/<i>$1<\/i>/ 1645 $xml .= $group;
1532 || s/U<([^\>]*)>/<u>$1<\/u>/ 1646 } elsif ($pod =~ m%\G
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1647 ([BCGHITU])
1534 # replace G<male|female> tags 1648 <
1535 || s{G<([^>|]*)\|([^>]*)>}{ 1649 (?:
1536 $self->gender ? $2 : $1 1650 ([^<>]*) (?{ $group = $^N })
1537 }ge 1651 | < $interior >
1538 # replace H<hint text> 1652 )
1539 || s{H<([^\>]*)>} 1653 >
1654 %gcsx
1540 { 1655 ) {
1656 my ($code, $data) = ($1, $group);
1657
1658 if ($code eq "B") {
1659 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660 } elsif ($code eq "I") {
1661 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662 } elsif ($code eq "U") {
1663 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664 } elsif ($code eq "C") {
1665 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666 } elsif ($code eq "T") {
1667 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668 } elsif ($code eq "G") {
1669 my ($male, $female) = split /\|/, $data;
1670 $data = $self->gender ? $female : $male;
1671 $xml .= expand_cfpod ($self, $data);
1672 } elsif ($code eq "H") {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1673 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "") 1675 "")
1544 [$self->{hintmode}] 1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1545 }ge; 1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1546 1687
1688 for ($xml) {
1547 # create single paragraphs (very hackish) 1689 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g; 1690 s/(?<=\S)\n(?=\w)/ /g;
1549 1691
1550 # compress some whitespace 1692 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends 1693 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines 1694 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines 1695 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines 1696 s/\n+$//; # ending lines
1697 }
1555 1698
1556 $_ 1699 $xml
1557} 1700}
1701
1702no re 'eval';
1558 1703
1559sub hintmode { 1704sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1; 1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode} 1706 $_[0]{hintmode}
1562} 1707}
1634our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1635our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1636 1781
1637sub generate_random_map { 1782sub generate_random_map {
1638 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1639 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1640 $self->_create_random_map ( 1788 $self->_create_random_map (
1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1765 1913
1766# the temporary/swap location 1914# the temporary/swap location
1767sub save_path { 1915sub save_path {
1768 my ($self) = @_; 1916 my ($self) = @_;
1769 1917
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1772} 1920}
1773 1921
1774# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1775sub uniq_path { 1923sub uniq_path {
1776 my ($self) = @_; 1924 my ($self) = @_;
1777 1925
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1780} 1928}
1781 1929
1782# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1783# all maps in C++... 1931# all maps in C++...
1969 } 2117 }
1970 2118
1971 $self->{last_save} = $cf::RUNTIME; 2119 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME); 2120 $self->last_access ($cf::RUNTIME);
1973 2121
1974 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1975 } 2123 }
1976 2124
1977 $self->post_load; 2125 $self->post_load;
1978} 2126}
1979 2127
2037 my ($path, $origin, $load) = @_; 2185 my ($path, $origin, $load) = @_;
2038 2186
2039 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
2040 2188
2041 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043 } 2191 }
2044 2192
2045 $MAP_PREFETCH{$path} |= $load; 2193 $MAP_PREFETCH{$path} |= $load;
2046 2194
2047 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2084 cf::async { 2232 cf::async {
2085 $Coro::current->{desc} = "map player save"; 2233 $Coro::current->{desc} = "map player save";
2086 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
2087 }; 2235 };
2088 2236
2237 cf::get_slot 0.02;
2238
2089 if ($uniq) { 2239 if ($uniq) {
2090 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2092 } else { 2242 } else {
2093 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2101 $self->save; 2251 $self->save;
2102 2252
2103 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2104 2254
2105 return if $self->players; 2255 return if $self->players;
2106 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
2107 return if $self->{deny_save}; 2257 return if $self->{deny_save};
2108 2258
2109 $self->in_memory (cf::MAP_SWAPPED); 2259 $self->in_memory (cf::MAP_SWAPPED);
2110 2260
2111 $self->deactivate; 2261 $self->deactivate;
2229 2379
2230sub unique_maps() { 2380sub unique_maps() {
2231 [ 2381 [
2232 map { 2382 map {
2233 utf8::decode $_; 2383 utf8::decode $_;
2234 /\.map$/ 2384 s/\.map$//; # TODO future compatibility hack
2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2386 ? ()
2235 ? normalise $_ 2387 : normalise $_
2236 : ()
2237 } @{ aio_readdir $UNIQUEDIR or [] } 2388 } @{ aio_readdir $UNIQUEDIR or [] }
2238 ] 2389 ]
2239} 2390}
2240 2391
2241package cf;
2242
2243=back 2392=back
2244 2393
2245=head3 cf::object 2394=head3 cf::object
2246 2395
2247=cut 2396=cut
2250 2399
2251=over 4 2400=over 4
2252 2401
2253=item $ob->inv_recursive 2402=item $ob->inv_recursive
2254 2403
2255Returns the inventory of the object _and_ their inventories, recursively. 2404Returns the inventory of the object I<and> their inventories, recursively,
2405but I<not> the object itself.
2256 2406
2257=cut 2407=cut
2258 2408
2259sub inv_recursive_; 2409sub inv_recursive_;
2260sub inv_recursive_ { 2410sub inv_recursive_ {
2265 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2266} 2416}
2267 2417
2268=item $ref = $ob->ref 2418=item $ref = $ob->ref
2269 2419
2270creates and returns a persistent reference to an objetc that can be stored as a string. 2420Creates and returns a persistent reference to an object that can be stored as a string.
2271 2421
2272=item $ob = cf::object::deref ($refstring) 2422=item $ob = cf::object::deref ($refstring)
2273 2423
2274returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2424returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275even if the object actually exists. May block. 2425even if the object actually exists. May block.
2549 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
2550 } 2700 }
2551 2701
2552 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
2553 2703
2554 my $data = cf::to_json $rmp; 2704 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
2556 my $meta = "$RANDOMDIR/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
2557 2707
2558 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
2632the message, with C<log> being the default. If C<$color> is negative, suppress 2782the message, with C<log> being the default. If C<$color> is negative, suppress
2633the message unless the client supports the msg packet. 2783the message unless the client supports the msg packet.
2634 2784
2635=cut 2785=cut
2636 2786
2787# non-persistent channels (usually the info channel)
2637our %CHANNEL = ( 2788our %CHANNEL = (
2638 "c/identify" => { 2789 "c/identify" => {
2639 id => "infobox", 2790 id => "infobox",
2640 title => "Identify", 2791 title => "Identify",
2641 reply => undef, 2792 reply => undef,
2645 id => "infobox", 2796 id => "infobox",
2646 title => "Examine", 2797 title => "Examine",
2647 reply => undef, 2798 reply => undef,
2648 tooltip => "Signs and other items you examined", 2799 tooltip => "Signs and other items you examined",
2649 }, 2800 },
2801 "c/book" => {
2802 id => "infobox",
2803 title => "Book",
2804 reply => undef,
2805 tooltip => "The contents of a note or book",
2806 },
2650 "c/lookat" => { 2807 "c/lookat" => {
2651 id => "infobox", 2808 id => "infobox",
2652 title => "Look", 2809 title => "Look",
2653 reply => undef, 2810 reply => undef,
2654 tooltip => "What you saw there", 2811 tooltip => "What you saw there",
2812 },
2813 "c/who" => {
2814 id => "infobox",
2815 title => "Players",
2816 reply => undef,
2817 tooltip => "Shows players who are currently online",
2818 },
2819 "c/body" => {
2820 id => "infobox",
2821 title => "Body Parts",
2822 reply => undef,
2823 tooltip => "Shows which body parts you posess and are available",
2824 },
2825 "c/uptime" => {
2826 id => "infobox",
2827 title => "Uptime",
2828 reply => undef,
2829 tooltip => "How long the server has been running since last restart",
2830 },
2831 "c/mapinfo" => {
2832 id => "infobox",
2833 title => "Map Info",
2834 reply => undef,
2835 tooltip => "Information related to the maps",
2655 }, 2836 },
2656); 2837);
2657 2838
2658sub cf::client::send_msg { 2839sub cf::client::send_msg {
2659 my ($self, $channel, $msg, $color, @extra) = @_; 2840 my ($self, $channel, $msg, $color, @extra) = @_;
3028 { 3209 {
3029 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
3030 3211
3031 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3032 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
3033 cf::face::set_visibility $idx, $info->{visibility}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3034 cf::face::set_magicmap $idx, $info->{magicmap}; 3216 cf::face::set_magicmap $idx, $info->{magicmap};
3035 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3037 3219
3038 cf::cede_to_tick; 3220 cf::cede_to_tick;
3039 } 3221 }
3040 3222
3041 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
3042 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
3043 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
3044 or next; 3227 or next;
3228
3045 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3046 cf::face::set_smooth $idx, $smooth; 3230 cf::face::set_smooth $idx, $smooth;
3047 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048 } else { 3232 } else {
3049 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
3067 { 3251 {
3068 # TODO: for gcfclient pleasure, we should give resources 3252 # TODO: for gcfclient pleasure, we should give resources
3069 # that gcfclient doesn't grok a >10000 face index. 3253 # that gcfclient doesn't grok a >10000 face index.
3070 my $res = $facedata->{resource}; 3254 my $res = $facedata->{resource};
3071 3255
3072 my $soundconf = delete $res->{"res/sound.conf"};
3073
3074 while (my ($name, $info) = each %$res) { 3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3075 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076 my $data; 3259 my $data;
3077 3260
3078 if ($info->{type} & 1) { 3261 if ($info->{type} & 1) {
3079 # prepend meta info 3262 # prepend meta info
3080 3263
3081 my $meta = $enc->encode ({ 3264 my $meta = $enc->encode ({
3082 name => $name, 3265 name => $name,
3083 %{ $info->{meta} || {} }, 3266 %{ $info->{meta} || {} },
3084 }); 3267 });
3085 3268
3086 $data = pack "(w/a*)*", $meta, $info->{data}; 3269 $data = pack "(w/a*)*", $meta, $info->{data};
3270 } else {
3271 $data = $info->{data};
3272 }
3273
3274 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275 cf::face::set_type $idx, $info->{type};
3087 } else { 3276 } else {
3088 $data = $info->{data}; 3277 $RESOURCE{$name} = $info;
3089 } 3278 }
3090 3279
3091 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092 cf::face::set_type $idx, $info->{type};
3093
3094 cf::cede_to_tick; 3280 cf::cede_to_tick;
3095 } 3281 }
3096
3097 if ($soundconf) {
3098 $soundconf = $enc->decode (delete $soundconf->{data});
3099
3100 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101 my $sound = $soundconf->{compat}[$_]
3102 or next;
3103
3104 my $face = cf::face::find "sound/$sound->[1]";
3105 cf::sound::set $sound->[0] => $face;
3106 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107 }
3108
3109 while (my ($k, $v) = each %{$soundconf->{event}}) {
3110 my $face = cf::face::find "sound/$v";
3111 cf::sound::set $k => $face;
3112 }
3113 }
3114 } 3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115 3285
3116 1 3286 1
3117} 3287}
3288
3289cf::global->attach (on_resource_update => sub {
3290 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294 my $sound = $soundconf->{compat}[$_]
3295 or next;
3296
3297 my $face = cf::face::find "sound/$sound->[1]";
3298 cf::sound::set $sound->[0] => $face;
3299 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300 }
3301
3302 while (my ($k, $v) = each %{$soundconf->{event}}) {
3303 my $face = cf::face::find "sound/$v";
3304 cf::sound::set $k => $face;
3305 }
3306 }
3307});
3118 3308
3119register_exticmd fx_want => sub { 3309register_exticmd fx_want => sub {
3120 my ($ns, $want) = @_; 3310 my ($ns, $want) = @_;
3121 3311
3122 while (my ($k, $v) = each %$want) { 3312 while (my ($k, $v) = each %$want) {
3177sub reload_config { 3367sub reload_config {
3178 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
3179 or return; 3369 or return;
3180 3370
3181 local $/; 3371 local $/;
3182 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
3183 3373
3184 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185 3375
3186 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3376 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3199 # we must not ever block the main coroutine 3389 # we must not ever block the main coroutine
3200 local $Coro::idle = sub { 3390 local $Coro::idle = sub {
3201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3391 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202 (async { 3392 (async {
3203 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3393 $Coro::current->{desc} = "IDLE BUG HANDLER";
3204 Event::one_event; 3394 EV::loop EV::LOOP_ONESHOT;
3205 })->prio (Coro::PRIO_MAX); 3395 })->prio (Coro::PRIO_MAX);
3206 }; 3396 };
3207 3397
3208 reload_config; 3398 reload_config;
3209 db_init; 3399 db_init;
3210 load_extensions; 3400 load_extensions;
3211 3401
3212 $TICK_WATCHER->start; 3402 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403 evthread_start IO::AIO::poll_fileno;
3213 Event::loop; 3404 EV::loop;
3214} 3405}
3215 3406
3216############################################################################# 3407#############################################################################
3217# initialisation and cleanup 3408# initialisation and cleanup
3218 3409
3219# install some emergency cleanup handlers 3410# install some emergency cleanup handlers
3220BEGIN { 3411BEGIN {
3412 our %SIGWATCHER = ();
3221 for my $signal (qw(INT HUP TERM)) { 3413 for my $signal (qw(INT HUP TERM)) {
3222 Event->signal ( 3414 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3223 reentrant => 0,
3224 data => WF_AUTOCANCEL,
3225 signal => $signal,
3226 prio => 0,
3227 cb => sub {
3228 cf::cleanup "SIG$signal"; 3415 cf::cleanup "SIG$signal";
3229 },
3230 ); 3416 };
3231 } 3417 }
3232} 3418}
3233 3419
3234sub write_runtime { 3420sub write_runtime_sync {
3235 my $runtime = "$LOCALDIR/runtime"; 3421 my $runtime = "$LOCALDIR/runtime";
3236 3422
3237 # first touch the runtime file to show we are still running: 3423 # first touch the runtime file to show we are still running:
3238 # the fsync below can take a very very long time. 3424 # the fsync below can take a very very long time.
3239 3425
3265 and return; 3451 and return;
3266 3452
3267 warn "runtime file written.\n"; 3453 warn "runtime file written.\n";
3268 3454
3269 1 3455 1
3456}
3457
3458our $uuid_lock;
3459our $uuid_skip;
3460
3461sub write_uuid_sync($) {
3462 $uuid_skip ||= $_[0];
3463
3464 return if $uuid_lock;
3465 local $uuid_lock = 1;
3466
3467 my $uuid = "$LOCALDIR/uuid";
3468
3469 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470 or return;
3471
3472 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3473 $uuid_skip = 0;
3474
3475 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3476 and return;
3477
3478 # always fsync - this file is important
3479 aio_fsync $fh
3480 and return;
3481
3482 close $fh
3483 or return;
3484
3485 aio_rename "$uuid~", $uuid
3486 and return;
3487
3488 warn "uuid file written ($value).\n";
3489
3490 1
3491
3492}
3493
3494sub write_uuid($$) {
3495 my ($skip, $sync) = @_;
3496
3497 $sync ? write_uuid_sync $skip
3498 : async { write_uuid_sync $skip };
3270} 3499}
3271 3500
3272sub emergency_save() { 3501sub emergency_save() {
3273 my $freeze_guard = cf::freeze_mainloop; 3502 my $freeze_guard = cf::freeze_mainloop;
3274 3503
3296 warn "end emergency map save\n"; 3525 warn "end emergency map save\n";
3297 3526
3298 warn "begin emergency database checkpoint\n"; 3527 warn "begin emergency database checkpoint\n";
3299 BDB::db_env_txn_checkpoint $DB_ENV; 3528 BDB::db_env_txn_checkpoint $DB_ENV;
3300 warn "end emergency database checkpoint\n"; 3529 warn "end emergency database checkpoint\n";
3530
3531 warn "begin write uuid\n";
3532 write_uuid_sync 1;
3533 warn "end write uuid\n";
3301 }; 3534 };
3302 3535
3303 warn "leave emergency perl save\n"; 3536 warn "leave emergency perl save\n";
3304} 3537}
3305 3538
3320 warn "reloading..."; 3553 warn "reloading...";
3321 3554
3322 warn "entering sync_job"; 3555 warn "entering sync_job";
3323 3556
3324 cf::sync_job { 3557 cf::sync_job {
3325 cf::write_runtime; # external watchdog should not bark 3558 cf::write_runtime_sync; # external watchdog should not bark
3326 cf::emergency_save; 3559 cf::emergency_save;
3327 cf::write_runtime; # external watchdog should not bark 3560 cf::write_runtime_sync; # external watchdog should not bark
3328 3561
3329 warn "syncing database to disk"; 3562 warn "syncing database to disk";
3330 BDB::db_env_txn_checkpoint $DB_ENV; 3563 BDB::db_env_txn_checkpoint $DB_ENV;
3331 3564
3332 # if anything goes wrong in here, we should simply crash as we already saved 3565 # if anything goes wrong in here, we should simply crash as we already saved
3333
3334 warn "cancelling all WF_AUTOCANCEL watchers";
3335 for (Event::all_watchers) {
3336 $_->cancel if $_->data & WF_AUTOCANCEL;
3337 }
3338 3566
3339 warn "flushing outstanding aio requests"; 3567 warn "flushing outstanding aio requests";
3340 for (;;) { 3568 for (;;) {
3341 BDB::flush; 3569 BDB::flush;
3342 IO::AIO::flush; 3570 IO::AIO::flush;
3343 Coro::cede; 3571 Coro::cede_notself;
3344 last unless IO::AIO::nreqs || BDB::nreqs; 3572 last unless IO::AIO::nreqs || BDB::nreqs;
3345 warn "iterate..."; 3573 warn "iterate...";
3346 } 3574 }
3347 3575
3348 ++$RELOAD; 3576 ++$RELOAD;
3424 warn "leaving sync_job"; 3652 warn "leaving sync_job";
3425 3653
3426 1 3654 1
3427 } or do { 3655 } or do {
3428 warn $@; 3656 warn $@;
3429 warn "error while reloading, exiting."; 3657 cf::cleanup "error while reloading, exiting.";
3430 exit 1;
3431 }; 3658 };
3432 3659
3433 warn "reloaded"; 3660 warn "reloaded";
3434}; 3661};
3435 3662
3437 3664
3438sub reload_perl() { 3665sub reload_perl() {
3439 # doing reload synchronously and two reloads happen back-to-back, 3666 # doing reload synchronously and two reloads happen back-to-back,
3440 # coro crashes during coro_state_free->destroy here. 3667 # coro crashes during coro_state_free->destroy here.
3441 3668
3442 $RELOAD_WATCHER ||= Event->timer ( 3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3443 reentrant => 0,
3444 after => 0,
3445 data => WF_AUTOCANCEL,
3446 cb => sub {
3447 do_reload_perl; 3670 do_reload_perl;
3448 undef $RELOAD_WATCHER; 3671 undef $RELOAD_WATCHER;
3449 },
3450 ); 3672 };
3451} 3673}
3452 3674
3453register_command "reload" => sub { 3675register_command "reload" => sub {
3454 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
3455 3677
3468 3690
3469our @WAIT_FOR_TICK; 3691our @WAIT_FOR_TICK;
3470our @WAIT_FOR_TICK_BEGIN; 3692our @WAIT_FOR_TICK_BEGIN;
3471 3693
3472sub wait_for_tick { 3694sub wait_for_tick {
3473 return unless $TICK_WATCHER->is_active; 3695 return if tick_inhibit;
3474 return if $Coro::current == $Coro::main; 3696 return if $Coro::current == $Coro::main;
3475 3697
3476 my $signal = new Coro::Signal; 3698 my $signal = new Coro::Signal;
3477 push @WAIT_FOR_TICK, $signal; 3699 push @WAIT_FOR_TICK, $signal;
3478 $signal->wait; 3700 $signal->wait;
3479} 3701}
3480 3702
3481sub wait_for_tick_begin { 3703sub wait_for_tick_begin {
3482 return unless $TICK_WATCHER->is_active; 3704 return if tick_inhibit;
3483 return if $Coro::current == $Coro::main; 3705 return if $Coro::current == $Coro::main;
3484 3706
3485 my $signal = new Coro::Signal; 3707 my $signal = new Coro::Signal;
3486 push @WAIT_FOR_TICK_BEGIN, $signal; 3708 push @WAIT_FOR_TICK_BEGIN, $signal;
3487 $signal->wait; 3709 $signal->wait;
3488} 3710}
3489 3711
3490$TICK_WATCHER = Event->timer ( 3712sub tick {
3491 reentrant => 0,
3492 parked => 1,
3493 prio => 0,
3494 at => $NEXT_TICK || $TICK,
3495 data => WF_AUTOCANCEL,
3496 cb => sub {
3497 if ($Coro::current != $Coro::main) { 3713 if ($Coro::current != $Coro::main) {
3498 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3714 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499 unless ++$bug_warning > 10; 3715 unless ++$bug_warning > 10;
3500 return; 3716 return;
3501 } 3717 }
3502 3718
3503 $NOW = $tick_start = Event::time;
3504
3505 cf::server_tick; # one server iteration 3719 cf::server_tick; # one server iteration
3506 3720
3507 $RUNTIME += $TICK;
3508 $NEXT_TICK += $TICK;
3509
3510 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3721 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511 $NEXT_RUNTIME_WRITE = $NOW + 10; 3722 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512 Coro::async_pool { 3723 Coro::async_pool {
3513 $Coro::current->{desc} = "runtime saver"; 3724 $Coro::current->{desc} = "runtime saver";
3514 write_runtime 3725 write_runtime_sync
3515 or warn "ERROR: unable to write runtime file: $!"; 3726 or warn "ERROR: unable to write runtime file: $!";
3516 };
3517 } 3727 };
3728 }
3518 3729
3519 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3730 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520 $sig->send; 3731 $sig->send;
3521 } 3732 }
3522 while (my $sig = shift @WAIT_FOR_TICK) { 3733 while (my $sig = shift @WAIT_FOR_TICK) {
3523 $sig->send; 3734 $sig->send;
3524 } 3735 }
3525 3736
3526 $NOW = Event::time; 3737 $LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528 # if we are delayed by four ticks or more, skip them all
3529 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531 $TICK_WATCHER->at ($NEXT_TICK);
3532 $TICK_WATCHER->start;
3533
3534 $LOAD = ($NOW - $tick_start) / $TICK;
3535 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3738 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536 3739
3537 _post_tick; 3740 if (0) {
3741 if ($NEXT_TICK) {
3742 my $jitter = $TICK_START - $NEXT_TICK;
3743 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3744 warn "jitter $JITTER\n";#d#
3745 }
3538 }, 3746 }
3539); 3747}
3540 3748
3541{ 3749{
3750 # configure BDB
3751
3542 BDB::min_parallel 8; 3752 BDB::min_parallel 8;
3543 BDB::max_poll_time $TICK * 0.1; 3753 BDB::max_poll_reqs $TICK * 0.1;
3544 $BDB_POLL_WATCHER = Event->io ( 3754 $Coro::BDB::WATCHER->priority (1);
3545 reentrant => 0,
3546 fd => BDB::poll_fileno,
3547 poll => 'r',
3548 prio => 0,
3549 data => WF_AUTOCANCEL,
3550 cb => \&BDB::poll_cb,
3551 );
3552
3553 BDB::set_sync_prepare {
3554 my $status;
3555 my $current = $Coro::current;
3556 (
3557 sub {
3558 $status = $!;
3559 $current->ready; undef $current;
3560 },
3561 sub {
3562 Coro::schedule while defined $current;
3563 $! = $status;
3564 },
3565 )
3566 };
3567 3755
3568 unless ($DB_ENV) { 3756 unless ($DB_ENV) {
3569 $DB_ENV = BDB::db_env_create; 3757 $DB_ENV = BDB::db_env_create;
3570 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3758 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3571 | BDB::LOG_AUTOREMOVE, 1); 3759 | BDB::LOG_AUTOREMOVE, 1);
3586 3774
3587 cf::cleanup "db_env_open(db): $@" if $@; 3775 cf::cleanup "db_env_open(db): $@" if $@;
3588 }; 3776 };
3589 } 3777 }
3590 3778
3591 $BDB_DEADLOCK_WATCHER = Event->timer ( 3779 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592 after => 3,
3593 interval => 1,
3594 hard => 1,
3595 prio => 0,
3596 data => WF_AUTOCANCEL,
3597 cb => sub {
3598 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3780 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599 },
3600 ); 3781 };
3601 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3782 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602 after => 11,
3603 interval => 60,
3604 hard => 1,
3605 prio => 0,
3606 data => WF_AUTOCANCEL,
3607 cb => sub {
3608 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3783 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609 },
3610 ); 3784 };
3611 $BDB_TRICKLE_WATCHER = Event->timer ( 3785 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612 after => 5,
3613 interval => 10,
3614 hard => 1,
3615 prio => 0,
3616 data => WF_AUTOCANCEL,
3617 cb => sub {
3618 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3786 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619 },
3620 ); 3787 };
3621} 3788}
3622 3789
3623{ 3790{
3791 # configure IO::AIO
3792
3624 IO::AIO::min_parallel 8; 3793 IO::AIO::min_parallel 8;
3625
3626 undef $Coro::AIO::WATCHER;
3627 IO::AIO::max_poll_time $TICK * 0.1; 3794 IO::AIO::max_poll_time $TICK * 0.1;
3628 $AIO_POLL_WATCHER = Event->io ( 3795 $Coro::AIO::WATCHER->priority (1);
3629 reentrant => 0,
3630 data => WF_AUTOCANCEL,
3631 fd => IO::AIO::poll_fileno,
3632 poll => 'r',
3633 prio => 0,
3634 cb => \&IO::AIO::poll_cb,
3635 );
3636} 3796}
3637 3797
3638my $_log_backtrace; 3798my $_log_backtrace;
3639 3799
3640sub _log_backtrace { 3800sub _log_backtrace {

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