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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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 Event; 30use EV 3.2;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
13use Storable (); 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
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>:
422 466
423sub sync_job(&) { 467sub sync_job(&) {
424 my ($job) = @_; 468 my ($job) = @_;
425 469
426 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 471 my $time = EV::time;
428 472
429 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
431 475
432 LOG llevError, Carp::longmess "sync job";#d# 476 LOG llevError, Carp::longmess "sync job";#d#
433 477
434 # TODO: use suspend/resume instead
435 # (but this is cancel-safe)
436 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
437 479
438 my $busy = 1; 480 my $busy = 1;
439 my @res; 481 my @res;
440 482
447 489
448 while ($busy) { 490 while ($busy) {
449 if (Coro::nready) { 491 if (Coro::nready) {
450 Coro::cede_notself; 492 Coro::cede_notself;
451 } else { 493 } else {
452 Event::one_event; 494 EV::loop EV::LOOP_ONESHOT;
453 } 495 }
454 } 496 }
455 497
456 $time = Event::time - $time; 498 my $time = EV::time - $time;
457 499
458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
462 501
463 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
464 } else { 503 } else {
465 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
466 505
491=item fork_call { }, $args 530=item fork_call { }, $args
492 531
493Executes the given code block with the given arguments in a seperate 532Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with 533process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may 534Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling. 535never block itself or use any form of event handling.
497 536
498=cut 537=cut
499 538
500sub fork_call(&@) { 539sub fork_call(&@) {
501 my ($cb, @args) = @_; 540 my ($cb, @args) = @_;
508 reset_signals; 547 reset_signals;
509 &$cb 548 &$cb
510 }, @args; 549 }, @args;
511 550
512 wantarray ? @res : $res[-1] 551 wantarray ? @res : $res[-1]
552}
553
554=item $coin = coin_from_name $name
555
556=cut
557
558our %coin_alias = (
559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
574
575sub coin_from_name($) {
576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
513} 579}
514 580
515=item $value = cf::db_get $family => $key 581=item $value = cf::db_get $family => $key
516 582
517Returns a single value from the environment database. 583Returns a single value from the environment database.
954 } 1020 }
955 1021
956 0 1022 0
957} 1023}
958 1024
959=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960 1026
961=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962 1028
963Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
964 1030
1042cf::attachable->attach ( 1108cf::attachable->attach (
1043 prio => -1000000, 1109 prio => -1000000,
1044 on_instantiate => sub { 1110 on_instantiate => sub {
1045 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
1046 1112
1047 $data = from_json $data; 1113 $data = decode_json $data;
1048 1114
1049 for (@$data) { 1115 for (@$data) {
1050 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
1051 1117
1052 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1289 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1291 1357
1292 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1293 warn $msg; 1359 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1295 exit 1;
1296 } 1361 }
1297 1362
1298 warn $msg; 1363 warn $msg;
1299 } 1364 }
1300 1365
1710our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1711our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1712 1777
1713sub generate_random_map { 1778sub generate_random_map {
1714 my ($self, $rmp) = @_; 1779 my ($self, $rmp) = @_;
1780
1781 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782
1715 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1716 $self->_create_random_map ( 1784 $self->_create_random_map (
1717 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1841 1909
1842# the temporary/swap location 1910# the temporary/swap location
1843sub save_path { 1911sub save_path {
1844 my ($self) = @_; 1912 my ($self) = @_;
1845 1913
1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1914 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847 "$TMPDIR/$path.map" 1915 "$TMPDIR/$path.map"
1848} 1916}
1849 1917
1850# the unique path, undef == no special unique path 1918# the unique path, undef == no special unique path
1851sub uniq_path { 1919sub uniq_path {
1852 my ($self) = @_; 1920 my ($self) = @_;
1853 1921
1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855 "$UNIQUEDIR/$path" 1923 "$UNIQUEDIR/$path"
1856} 1924}
1857 1925
1858# and all this just because we cannot iterate over 1926# and all this just because we cannot iterate over
1859# all maps in C++... 1927# all maps in C++...
2305 2373
2306sub unique_maps() { 2374sub unique_maps() {
2307 [ 2375 [
2308 map { 2376 map {
2309 utf8::decode $_; 2377 utf8::decode $_;
2310 /\.map$/ 2378 s/\.map$//; # TODO future compatibility hack
2379 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2380 ? ()
2311 ? normalise $_ 2381 : normalise $_
2312 : ()
2313 } @{ aio_readdir $UNIQUEDIR or [] } 2382 } @{ aio_readdir $UNIQUEDIR or [] }
2314 ] 2383 ]
2315} 2384}
2316 2385
2317package cf;
2318
2319=back 2386=back
2320 2387
2321=head3 cf::object 2388=head3 cf::object
2322 2389
2323=cut 2390=cut
2326 2393
2327=over 4 2394=over 4
2328 2395
2329=item $ob->inv_recursive 2396=item $ob->inv_recursive
2330 2397
2331Returns the inventory of the object _and_ their inventories, recursively. 2398Returns the inventory of the object I<and> their inventories, recursively,
2399but I<not> the object itself.
2332 2400
2333=cut 2401=cut
2334 2402
2335sub inv_recursive_; 2403sub inv_recursive_;
2336sub inv_recursive_ { 2404sub inv_recursive_ {
2341 inv_recursive_ inv $_[0] 2409 inv_recursive_ inv $_[0]
2342} 2410}
2343 2411
2344=item $ref = $ob->ref 2412=item $ref = $ob->ref
2345 2413
2346creates and returns a persistent reference to an objetc that can be stored as a string. 2414Creates and returns a persistent reference to an object that can be stored as a string.
2347 2415
2348=item $ob = cf::object::deref ($refstring) 2416=item $ob = cf::object::deref ($refstring)
2349 2417
2350returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2418returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351even if the object actually exists. May block. 2419even if the object actually exists. May block.
2625 $rmp->{origin_y} = $exit->y; 2693 $rmp->{origin_y} = $exit->y;
2626 } 2694 }
2627 2695
2628 $rmp->{random_seed} ||= $exit->random_seed; 2696 $rmp->{random_seed} ||= $exit->random_seed;
2629 2697
2630 my $data = cf::to_json $rmp; 2698 my $data = cf::encode_json $rmp;
2631 my $md5 = Digest::MD5::md5_hex $data; 2699 my $md5 = Digest::MD5::md5_hex $data;
2632 my $meta = "$RANDOMDIR/$md5.meta"; 2700 my $meta = "$RANDOMDIR/$md5.meta";
2633 2701
2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2702 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635 aio_write $fh, 0, (length $data), $data, 0; 2703 aio_write $fh, 0, (length $data), $data, 0;
3135 { 3203 {
3136 my $faces = $facedata->{faceinfo}; 3204 my $faces = $facedata->{faceinfo};
3137 3205
3138 while (my ($face, $info) = each %$faces) { 3206 while (my ($face, $info) = each %$faces) {
3139 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3207 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3208
3140 cf::face::set_visibility $idx, $info->{visibility}; 3209 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap}; 3210 cf::face::set_magicmap $idx, $info->{magicmap};
3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3211 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3212 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144 3213
3145 cf::cede_to_tick; 3214 cf::cede_to_tick;
3146 } 3215 }
3147 3216
3148 while (my ($face, $info) = each %$faces) { 3217 while (my ($face, $info) = each %$faces) {
3149 next unless $info->{smooth}; 3218 next unless $info->{smooth};
3219
3150 my $idx = cf::face::find $face 3220 my $idx = cf::face::find $face
3151 or next; 3221 or next;
3222
3152 if (my $smooth = cf::face::find $info->{smooth}) { 3223 if (my $smooth = cf::face::find $info->{smooth}) {
3153 cf::face::set_smooth $idx, $smooth; 3224 cf::face::set_smooth $idx, $smooth;
3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3225 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155 } else { 3226 } else {
3156 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3227 warn "smooth face '$info->{smooth}' not found for face '$face'";
3174 { 3245 {
3175 # TODO: for gcfclient pleasure, we should give resources 3246 # TODO: for gcfclient pleasure, we should give resources
3176 # that gcfclient doesn't grok a >10000 face index. 3247 # that gcfclient doesn't grok a >10000 face index.
3177 my $res = $facedata->{resource}; 3248 my $res = $facedata->{resource};
3178 3249
3179 my $soundconf = delete $res->{"res/sound.conf"};
3180
3181 while (my ($name, $info) = each %$res) { 3250 while (my ($name, $info) = each %$res) {
3251 if (defined $info->{type}) {
3182 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3252 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183 my $data; 3253 my $data;
3184 3254
3185 if ($info->{type} & 1) { 3255 if ($info->{type} & 1) {
3186 # prepend meta info 3256 # prepend meta info
3187 3257
3188 my $meta = $enc->encode ({ 3258 my $meta = $enc->encode ({
3189 name => $name, 3259 name => $name,
3190 %{ $info->{meta} || {} }, 3260 %{ $info->{meta} || {} },
3191 }); 3261 });
3192 3262
3193 $data = pack "(w/a*)*", $meta, $info->{data}; 3263 $data = pack "(w/a*)*", $meta, $info->{data};
3264 } else {
3265 $data = $info->{data};
3266 }
3267
3268 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3269 cf::face::set_type $idx, $info->{type};
3194 } else { 3270 } else {
3195 $data = $info->{data}; 3271 $RESOURCE{$name} = $info;
3196 } 3272 }
3197 3273
3198 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199 cf::face::set_type $idx, $info->{type};
3200
3201 cf::cede_to_tick; 3274 cf::cede_to_tick;
3202 } 3275 }
3203
3204 if ($soundconf) {
3205 $soundconf = $enc->decode (delete $soundconf->{data});
3206
3207 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208 my $sound = $soundconf->{compat}[$_]
3209 or next;
3210
3211 my $face = cf::face::find "sound/$sound->[1]";
3212 cf::sound::set $sound->[0] => $face;
3213 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214 }
3215
3216 while (my ($k, $v) = each %{$soundconf->{event}}) {
3217 my $face = cf::face::find "sound/$v";
3218 cf::sound::set $k => $face;
3219 }
3220 }
3221 } 3276 }
3277
3278 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222 3279
3223 1 3280 1
3224} 3281}
3282
3283cf::global->attach (on_resource_update => sub {
3284 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3285 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3286
3287 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3288 my $sound = $soundconf->{compat}[$_]
3289 or next;
3290
3291 my $face = cf::face::find "sound/$sound->[1]";
3292 cf::sound::set $sound->[0] => $face;
3293 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3294 }
3295
3296 while (my ($k, $v) = each %{$soundconf->{event}}) {
3297 my $face = cf::face::find "sound/$v";
3298 cf::sound::set $k => $face;
3299 }
3300 }
3301});
3225 3302
3226register_exticmd fx_want => sub { 3303register_exticmd fx_want => sub {
3227 my ($ns, $want) = @_; 3304 my ($ns, $want) = @_;
3228 3305
3229 while (my ($k, $v) = each %$want) { 3306 while (my ($k, $v) = each %$want) {
3284sub reload_config { 3361sub reload_config {
3285 open my $fh, "<:utf8", "$CONFDIR/config" 3362 open my $fh, "<:utf8", "$CONFDIR/config"
3286 or return; 3363 or return;
3287 3364
3288 local $/; 3365 local $/;
3289 *CFG = YAML::Syck::Load <$fh>; 3366 *CFG = YAML::Load <$fh>;
3290 3367
3291 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3368 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292 3369
3293 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3370 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3371 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3306 # we must not ever block the main coroutine 3383 # we must not ever block the main coroutine
3307 local $Coro::idle = sub { 3384 local $Coro::idle = sub {
3308 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3385 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309 (async { 3386 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3387 $Coro::current->{desc} = "IDLE BUG HANDLER";
3311 Event::one_event; 3388 EV::loop EV::LOOP_ONESHOT;
3312 })->prio (Coro::PRIO_MAX); 3389 })->prio (Coro::PRIO_MAX);
3313 }; 3390 };
3314 3391
3315 reload_config; 3392 reload_config;
3316 db_init; 3393 db_init;
3317 load_extensions; 3394 load_extensions;
3318 3395
3319 $TICK_WATCHER->start; 3396 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3397 evthread_start IO::AIO::poll_fileno;
3320 Event::loop; 3398 EV::loop;
3321} 3399}
3322 3400
3323############################################################################# 3401#############################################################################
3324# initialisation and cleanup 3402# initialisation and cleanup
3325 3403
3326# install some emergency cleanup handlers 3404# install some emergency cleanup handlers
3327BEGIN { 3405BEGIN {
3406 our %SIGWATCHER = ();
3328 for my $signal (qw(INT HUP TERM)) { 3407 for my $signal (qw(INT HUP TERM)) {
3329 Event->signal ( 3408 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3330 reentrant => 0,
3331 data => WF_AUTOCANCEL,
3332 signal => $signal,
3333 prio => 0,
3334 cb => sub {
3335 cf::cleanup "SIG$signal"; 3409 cf::cleanup "SIG$signal";
3336 },
3337 ); 3410 };
3338 } 3411 }
3339} 3412}
3340 3413
3341sub write_runtime { 3414sub write_runtime_sync {
3342 my $runtime = "$LOCALDIR/runtime"; 3415 my $runtime = "$LOCALDIR/runtime";
3343 3416
3344 # first touch the runtime file to show we are still running: 3417 # first touch the runtime file to show we are still running:
3345 # the fsync below can take a very very long time. 3418 # the fsync below can take a very very long time.
3346 3419
3372 and return; 3445 and return;
3373 3446
3374 warn "runtime file written.\n"; 3447 warn "runtime file written.\n";
3375 3448
3376 1 3449 1
3450}
3451
3452our $uuid_lock;
3453our $uuid_skip;
3454
3455sub write_uuid_sync($) {
3456 $uuid_skip ||= $_[0];
3457
3458 return if $uuid_lock;
3459 local $uuid_lock = 1;
3460
3461 my $uuid = "$LOCALDIR/uuid";
3462
3463 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3464 or return;
3465
3466 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3467 $uuid_skip = 0;
3468
3469 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3470 and return;
3471
3472 # always fsync - this file is important
3473 aio_fsync $fh
3474 and return;
3475
3476 close $fh
3477 or return;
3478
3479 aio_rename "$uuid~", $uuid
3480 and return;
3481
3482 warn "uuid file written ($value).\n";
3483
3484 1
3485
3486}
3487
3488sub write_uuid($$) {
3489 my ($skip, $sync) = @_;
3490
3491 $sync ? write_uuid_sync $skip
3492 : async { write_uuid_sync $skip };
3377} 3493}
3378 3494
3379sub emergency_save() { 3495sub emergency_save() {
3380 my $freeze_guard = cf::freeze_mainloop; 3496 my $freeze_guard = cf::freeze_mainloop;
3381 3497
3403 warn "end emergency map save\n"; 3519 warn "end emergency map save\n";
3404 3520
3405 warn "begin emergency database checkpoint\n"; 3521 warn "begin emergency database checkpoint\n";
3406 BDB::db_env_txn_checkpoint $DB_ENV; 3522 BDB::db_env_txn_checkpoint $DB_ENV;
3407 warn "end emergency database checkpoint\n"; 3523 warn "end emergency database checkpoint\n";
3524
3525 warn "begin write uuid\n";
3526 write_uuid_sync 1;
3527 warn "end write uuid\n";
3408 }; 3528 };
3409 3529
3410 warn "leave emergency perl save\n"; 3530 warn "leave emergency perl save\n";
3411} 3531}
3412 3532
3427 warn "reloading..."; 3547 warn "reloading...";
3428 3548
3429 warn "entering sync_job"; 3549 warn "entering sync_job";
3430 3550
3431 cf::sync_job { 3551 cf::sync_job {
3432 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
3433 cf::emergency_save; 3553 cf::emergency_save;
3434 cf::write_runtime; # external watchdog should not bark 3554 cf::write_runtime_sync; # external watchdog should not bark
3435 3555
3436 warn "syncing database to disk"; 3556 warn "syncing database to disk";
3437 BDB::db_env_txn_checkpoint $DB_ENV; 3557 BDB::db_env_txn_checkpoint $DB_ENV;
3438 3558
3439 # if anything goes wrong in here, we should simply crash as we already saved 3559 # if anything goes wrong in here, we should simply crash as we already saved
3440
3441 warn "cancelling all WF_AUTOCANCEL watchers";
3442 for (Event::all_watchers) {
3443 $_->cancel if $_->data & WF_AUTOCANCEL;
3444 }
3445 3560
3446 warn "flushing outstanding aio requests"; 3561 warn "flushing outstanding aio requests";
3447 for (;;) { 3562 for (;;) {
3448 BDB::flush; 3563 BDB::flush;
3449 IO::AIO::flush; 3564 IO::AIO::flush;
3531 warn "leaving sync_job"; 3646 warn "leaving sync_job";
3532 3647
3533 1 3648 1
3534 } or do { 3649 } or do {
3535 warn $@; 3650 warn $@;
3536 warn "error while reloading, exiting."; 3651 cf::cleanup "error while reloading, exiting.";
3537 exit 1;
3538 }; 3652 };
3539 3653
3540 warn "reloaded"; 3654 warn "reloaded";
3541}; 3655};
3542 3656
3544 3658
3545sub reload_perl() { 3659sub reload_perl() {
3546 # doing reload synchronously and two reloads happen back-to-back, 3660 # doing reload synchronously and two reloads happen back-to-back,
3547 # coro crashes during coro_state_free->destroy here. 3661 # coro crashes during coro_state_free->destroy here.
3548 3662
3549 $RELOAD_WATCHER ||= Event->timer ( 3663 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3550 reentrant => 0,
3551 after => 0,
3552 data => WF_AUTOCANCEL,
3553 cb => sub {
3554 do_reload_perl; 3664 do_reload_perl;
3555 undef $RELOAD_WATCHER; 3665 undef $RELOAD_WATCHER;
3556 },
3557 ); 3666 };
3558} 3667}
3559 3668
3560register_command "reload" => sub { 3669register_command "reload" => sub {
3561 my ($who, $arg) = @_; 3670 my ($who, $arg) = @_;
3562 3671
3575 3684
3576our @WAIT_FOR_TICK; 3685our @WAIT_FOR_TICK;
3577our @WAIT_FOR_TICK_BEGIN; 3686our @WAIT_FOR_TICK_BEGIN;
3578 3687
3579sub wait_for_tick { 3688sub wait_for_tick {
3580 return unless $TICK_WATCHER->is_active; 3689 return if tick_inhibit;
3581 return if $Coro::current == $Coro::main; 3690 return if $Coro::current == $Coro::main;
3582 3691
3583 my $signal = new Coro::Signal; 3692 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal; 3693 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait; 3694 $signal->wait;
3586} 3695}
3587 3696
3588sub wait_for_tick_begin { 3697sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active; 3698 return if tick_inhibit;
3590 return if $Coro::current == $Coro::main; 3699 return if $Coro::current == $Coro::main;
3591 3700
3592 my $signal = new Coro::Signal; 3701 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal; 3702 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait; 3703 $signal->wait;
3595} 3704}
3596 3705
3597$TICK_WATCHER = Event->timer ( 3706sub tick {
3598 reentrant => 0,
3599 parked => 1,
3600 prio => 0,
3601 at => $NEXT_TICK || $TICK,
3602 data => WF_AUTOCANCEL,
3603 cb => sub {
3604 if ($Coro::current != $Coro::main) { 3707 if ($Coro::current != $Coro::main) {
3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3708 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606 unless ++$bug_warning > 10; 3709 unless ++$bug_warning > 10;
3607 return; 3710 return;
3608 } 3711 }
3609 3712
3610 $NOW = $tick_start = Event::time;
3611
3612 cf::server_tick; # one server iteration 3713 cf::server_tick; # one server iteration
3613 3714
3614 $RUNTIME += $TICK;
3615 $NEXT_TICK += $TICK;
3616
3617 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3715 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618 $NEXT_RUNTIME_WRITE = $NOW + 10; 3716 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619 Coro::async_pool { 3717 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver"; 3718 $Coro::current->{desc} = "runtime saver";
3621 write_runtime 3719 write_runtime_sync
3622 or warn "ERROR: unable to write runtime file: $!"; 3720 or warn "ERROR: unable to write runtime file: $!";
3623 };
3624 } 3721 };
3722 }
3625 3723
3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3724 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627 $sig->send; 3725 $sig->send;
3628 } 3726 }
3629 while (my $sig = shift @WAIT_FOR_TICK) { 3727 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send; 3728 $sig->send;
3631 } 3729 }
3632 3730
3633 $NOW = Event::time; 3731 $LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635 # if we are delayed by four ticks or more, skip them all
3636 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638 $TICK_WATCHER->at ($NEXT_TICK);
3639 $TICK_WATCHER->start;
3640
3641 $LOAD = ($NOW - $tick_start) / $TICK;
3642 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3732 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643 3733
3644 _post_tick; 3734 if (0) {
3735 if ($NEXT_TICK) {
3736 my $jitter = $TICK_START - $NEXT_TICK;
3737 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3738 warn "jitter $JITTER\n";#d#
3739 }
3645 }, 3740 }
3646); 3741}
3647 3742
3648{ 3743{
3744 # configure BDB
3745
3649 BDB::min_parallel 8; 3746 BDB::min_parallel 8;
3650 BDB::max_poll_time $TICK * 0.1; 3747 BDB::max_poll_reqs $TICK * 0.1;
3651 $BDB_POLL_WATCHER = Event->io ( 3748 $Coro::BDB::WATCHER->priority (1);
3652 reentrant => 0,
3653 fd => BDB::poll_fileno,
3654 poll => 'r',
3655 prio => 0,
3656 data => WF_AUTOCANCEL,
3657 cb => \&BDB::poll_cb,
3658 );
3659
3660 BDB::set_sync_prepare {
3661 my $status;
3662 my $current = $Coro::current;
3663 (
3664 sub {
3665 $status = $!;
3666 $current->ready; undef $current;
3667 },
3668 sub {
3669 Coro::schedule while defined $current;
3670 $! = $status;
3671 },
3672 )
3673 };
3674 3749
3675 unless ($DB_ENV) { 3750 unless ($DB_ENV) {
3676 $DB_ENV = BDB::db_env_create; 3751 $DB_ENV = BDB::db_env_create;
3677 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3752 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3678 | BDB::LOG_AUTOREMOVE, 1); 3753 | BDB::LOG_AUTOREMOVE, 1);
3693 3768
3694 cf::cleanup "db_env_open(db): $@" if $@; 3769 cf::cleanup "db_env_open(db): $@" if $@;
3695 }; 3770 };
3696 } 3771 }
3697 3772
3698 $BDB_DEADLOCK_WATCHER = Event->timer ( 3773 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699 after => 3,
3700 interval => 1,
3701 hard => 1,
3702 prio => 0,
3703 data => WF_AUTOCANCEL,
3704 cb => sub {
3705 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3774 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706 },
3707 ); 3775 };
3708 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3776 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709 after => 11,
3710 interval => 60,
3711 hard => 1,
3712 prio => 0,
3713 data => WF_AUTOCANCEL,
3714 cb => sub {
3715 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3777 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716 },
3717 ); 3778 };
3718 $BDB_TRICKLE_WATCHER = Event->timer ( 3779 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719 after => 5,
3720 interval => 10,
3721 hard => 1,
3722 prio => 0,
3723 data => WF_AUTOCANCEL,
3724 cb => sub {
3725 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3780 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726 },
3727 ); 3781 };
3728} 3782}
3729 3783
3730{ 3784{
3785 # configure IO::AIO
3786
3731 IO::AIO::min_parallel 8; 3787 IO::AIO::min_parallel 8;
3732
3733 undef $Coro::AIO::WATCHER;
3734 IO::AIO::max_poll_time $TICK * 0.1; 3788 IO::AIO::max_poll_time $TICK * 0.1;
3735 $AIO_POLL_WATCHER = Event->io ( 3789 $Coro::AIO::WATCHER->priority (1);
3736 reentrant => 0,
3737 data => WF_AUTOCANCEL,
3738 fd => IO::AIO::poll_fileno,
3739 poll => 'r',
3740 prio => 0,
3741 cb => \&IO::AIO::poll_cb,
3742 );
3743} 3790}
3744 3791
3745my $_log_backtrace; 3792my $_log_backtrace;
3746 3793
3747sub _log_backtrace { 3794sub _log_backtrace {

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