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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.394 by root, Thu Nov 8 19:43:25 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 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
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 || $Coro::current == $Coro::main;
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
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, 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
447 491
448 while ($busy) { 492 while ($busy) {
449 if (Coro::nready) { 493 if (Coro::nready) {
450 Coro::cede_notself; 494 Coro::cede_notself;
451 } else { 495 } else {
452 Event::one_event; 496 EV::loop EV::LOOP_ONESHOT;
453 } 497 }
454 } 498 }
455 499
456 $time = Event::time - $time; 500 my $time = EV::time - $time;
457 501
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 502 $TICK_START += $time; # do not account sync jobs to server load
462 503
463 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
464 } else { 505 } else {
465 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
466 507
491=item fork_call { }, $args 532=item fork_call { }, $args
492 533
493Executes the given code block with the given arguments in a seperate 534Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with 535process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may 536Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling. 537never block itself or use any form of event handling.
497 538
498=cut 539=cut
499 540
500sub fork_call(&@) { 541sub fork_call(&@) {
501 my ($cb, @args) = @_; 542 my ($cb, @args) = @_;
508 reset_signals; 549 reset_signals;
509 &$cb 550 &$cb
510 }, @args; 551 }, @args;
511 552
512 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
513} 581}
514 582
515=item $value = cf::db_get $family => $key 583=item $value = cf::db_get $family => $key
516 584
517Returns a single value from the environment database. 585Returns a single value from the environment database.
954 } 1022 }
955 1023
956 0 1024 0
957} 1025}
958 1026
959=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960 1028
961=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962 1030
963Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
964 1032
1042cf::attachable->attach ( 1110cf::attachable->attach (
1043 prio => -1000000, 1111 prio => -1000000,
1044 on_instantiate => sub { 1112 on_instantiate => sub {
1045 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
1046 1114
1047 $data = from_json $data; 1115 $data = decode_json $data;
1048 1116
1049 for (@$data) { 1117 for (@$data) {
1050 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
1051 1119
1052 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
1073 utf8::decode (my $decname = $filename); 1141 utf8::decode (my $decname = $filename);
1074 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
1075 $decname, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
1076 1144
1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
1081 close $fh; 1149 aio_close $fh;
1082 1150
1083 if (@$objs) { 1151 if (@$objs) {
1084 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) {
1085 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
1088 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
1089 close $fh; 1157 aio_close $fh;
1090 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
1091 } 1159 }
1092 } else { 1160 } else {
1093 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
1094 } 1162 }
1289 my $msg = $@ ? "$v->{path}: $@\n" 1357 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n"; 1358 : "$v->{base}: extension inactive.\n";
1291 1359
1292 if (exists $v->{meta}{mandatory}) { 1360 if (exists $v->{meta}{mandatory}) {
1293 warn $msg; 1361 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n"; 1362 cf::cleanup "mandatory extension failed to load, exiting.";
1295 exit 1;
1296 } 1363 }
1297 1364
1298 warn $msg; 1365 warn $msg;
1299 } 1366 }
1300 1367
1389 my $f = new_from_file cf::object::thawer path $login 1456 my $f = new_from_file cf::object::thawer path $login
1390 or return; 1457 or return;
1391 1458
1392 my $pl = cf::player::load_pl $f 1459 my $pl = cf::player::load_pl $f
1393 or return; 1460 or return;
1461
1394 local $cf::PLAYER_LOADING{$login} = $pl; 1462 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs; 1463 $f->resolve_delayed_derefs;
1396 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
1397 } 1465 }
1398 } 1466 }
1408 1476
1409 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1410 1478
1411 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1412 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1481
1482 cf::get_slot 0.01;
1413 1483
1414 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1415 cf::cede_to_tick; 1485 cf::cede_to_tick;
1416} 1486}
1417 1487
1501 1571
1502 for my $login (@$dirs) { 1572 for my $login (@$dirs) {
1503 my $path = path $login; 1573 my $path = path $login;
1504 1574
1505 # a .pst is a dead give-away for a valid player 1575 # a .pst is a dead give-away for a valid player
1506 unless (-e "$path.pst") { 1576 # if no pst file found, open and chekc for blocked users
1577 if (aio_stat "$path.pst") {
1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1578 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508 aio_read $fh, 0, 512, my $buf, 0 or next; 1579 aio_read $fh, 0, 512, my $buf, 0 or next;
1509 $buf !~ /^password -------------$/m or next; # official not-valid tag 1580 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 } 1581 }
1511 1582
1710our $MAX_RESET = 3600; 1781our $MAX_RESET = 3600;
1711our $DEFAULT_RESET = 3000; 1782our $DEFAULT_RESET = 3000;
1712 1783
1713sub generate_random_map { 1784sub generate_random_map {
1714 my ($self, $rmp) = @_; 1785 my ($self, $rmp) = @_;
1786
1787 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1788
1715 # mit "rum" bekleckern, nicht 1789 # mit "rum" bekleckern, nicht
1716 $self->_create_random_map ( 1790 $self->_create_random_map (
1717 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1791 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1792 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1793 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1841 1915
1842# the temporary/swap location 1916# the temporary/swap location
1843sub save_path { 1917sub save_path {
1844 my ($self) = @_; 1918 my ($self) = @_;
1845 1919
1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1920 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847 "$TMPDIR/$path.map" 1921 "$TMPDIR/$path.map"
1848} 1922}
1849 1923
1850# the unique path, undef == no special unique path 1924# the unique path, undef == no special unique path
1851sub uniq_path { 1925sub uniq_path {
1852 my ($self) = @_; 1926 my ($self) = @_;
1853 1927
1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855 "$UNIQUEDIR/$path" 1929 "$UNIQUEDIR/$path"
1856} 1930}
1857 1931
1858# and all this just because we cannot iterate over 1932# and all this just because we cannot iterate over
1859# all maps in C++... 1933# all maps in C++...
1957 2031
1958 cf::lock_wait "map_data:$path";#d#remove 2032 cf::lock_wait "map_data:$path";#d#remove
1959 cf::lock_wait "map_find:$path"; 2033 cf::lock_wait "map_find:$path";
1960 2034
1961 $cf::MAP{$path} || do { 2035 $cf::MAP{$path} || do {
1962 my $guard1 = cf::lock_acquire "map_find:$path";
1963 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it 2036 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037 my $guard2 = cf::lock_acquire "map_find:$path";
1964 2038
1965 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1966 or return; 2040 or return;
1967 2041
1968 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1971 or return; 2045 or return;
1972 2046
1973 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1975 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
1976 undef $guard1; 2051 undef $guard1;
1977 undef $guard2;
1978 $map->reset; 2052 $map->reset;
1979 return find $path; 2053 return find $path;
1980 } 2054 }
1981 2055
1982 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
2045 } 2119 }
2046 2120
2047 $self->{last_save} = $cf::RUNTIME; 2121 $self->{last_save} = $cf::RUNTIME;
2048 $self->last_access ($cf::RUNTIME); 2122 $self->last_access ($cf::RUNTIME);
2049 2123
2050 $self->in_memory (cf::MAP_IN_MEMORY); 2124 $self->in_memory (cf::MAP_ACTIVE);
2051 } 2125 }
2052 2126
2053 $self->post_load; 2127 $self->post_load;
2054} 2128}
2055 2129
2113 my ($path, $origin, $load) = @_; 2187 my ($path, $origin, $load) = @_;
2114 2188
2115 $path = normalise $path, $origin && $origin->{path}; 2189 $path = normalise $path, $origin && $origin->{path};
2116 2190
2117 if (my $map = $cf::MAP{$path}) { 2191 if (my $map = $cf::MAP{$path}) {
2118 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2192 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119 } 2193 }
2120 2194
2121 $MAP_PREFETCH{$path} |= $load; 2195 $MAP_PREFETCH{$path} |= $load;
2122 2196
2123 $MAP_PREFETCHER ||= cf::async { 2197 $MAP_PREFETCHER ||= cf::async {
2160 cf::async { 2234 cf::async {
2161 $Coro::current->{desc} = "map player save"; 2235 $Coro::current->{desc} = "map player save";
2162 $_->contr->save for $self->players; 2236 $_->contr->save for $self->players;
2163 }; 2237 };
2164 2238
2239 cf::get_slot 0.02;
2240
2165 if ($uniq) { 2241 if ($uniq) {
2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2168 } else { 2244 } else {
2169 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2177 $self->save; 2253 $self->save;
2178 2254
2179 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2255 my $lock = cf::lock_acquire "map_data:$self->{path}";
2180 2256
2181 return if $self->players; 2257 return if $self->players;
2182 return if $self->in_memory != cf::MAP_IN_MEMORY; 2258 return if $self->in_memory != cf::MAP_ACTIVE;
2183 return if $self->{deny_save}; 2259 return if $self->{deny_save};
2184 2260
2185 $self->in_memory (cf::MAP_SWAPPED); 2261 $self->in_memory (cf::MAP_SWAPPED);
2186 2262
2187 $self->deactivate; 2263 $self->deactivate;
2305 2381
2306sub unique_maps() { 2382sub unique_maps() {
2307 [ 2383 [
2308 map { 2384 map {
2309 utf8::decode $_; 2385 utf8::decode $_;
2310 /\.map$/ 2386 s/\.map$//; # TODO future compatibility hack
2387 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2388 ? ()
2311 ? normalise $_ 2389 : normalise $_
2312 : ()
2313 } @{ aio_readdir $UNIQUEDIR or [] } 2390 } @{ aio_readdir $UNIQUEDIR or [] }
2314 ] 2391 ]
2315} 2392}
2316 2393
2317package cf;
2318
2319=back 2394=back
2320 2395
2321=head3 cf::object 2396=head3 cf::object
2322 2397
2323=cut 2398=cut
2326 2401
2327=over 4 2402=over 4
2328 2403
2329=item $ob->inv_recursive 2404=item $ob->inv_recursive
2330 2405
2331Returns the inventory of the object _and_ their inventories, recursively. 2406Returns the inventory of the object I<and> their inventories, recursively,
2407but I<not> the object itself.
2332 2408
2333=cut 2409=cut
2334 2410
2335sub inv_recursive_; 2411sub inv_recursive_;
2336sub inv_recursive_ { 2412sub inv_recursive_ {
2341 inv_recursive_ inv $_[0] 2417 inv_recursive_ inv $_[0]
2342} 2418}
2343 2419
2344=item $ref = $ob->ref 2420=item $ref = $ob->ref
2345 2421
2346creates and returns a persistent reference to an objetc that can be stored as a string. 2422Creates and returns a persistent reference to an object that can be stored as a string.
2347 2423
2348=item $ob = cf::object::deref ($refstring) 2424=item $ob = cf::object::deref ($refstring)
2349 2425
2350returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2426returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351even if the object actually exists. May block. 2427even if the object actually exists. May block.
2383can be C<undef>. Does the right thing when the player is currently in a 2459can be C<undef>. Does the right thing when the player is currently in a
2384dialogue with the given NPC character. 2460dialogue with the given NPC character.
2385 2461
2386=cut 2462=cut
2387 2463
2464our $SAY_CHANNEL = {
2465 id => "say",
2466 title => "Map",
2467 reply => "say ",
2468 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2469};
2470
2471our $CHAT_CHANNEL = {
2472 id => "chat",
2473 title => "Chat",
2474 reply => "chat ",
2475 tooltip => "Player chat and shouts, global to the server.",
2476};
2477
2388# rough implementation of a future "reply" method that works 2478# rough implementation of a future "reply" method that works
2389# with dialog boxes. 2479# with dialog boxes.
2390#TODO: the first argument must go, split into a $npc->reply_to ( method 2480#TODO: the first argument must go, split into a $npc->reply_to ( method
2391sub cf::object::player::reply($$$;$) { 2481sub cf::object::player::reply($$$;$) {
2392 my ($self, $npc, $msg, $flags) = @_; 2482 my ($self, $npc, $msg, $flags) = @_;
2403 my $dialog = $pl->{npc_dialog}; 2493 my $dialog = $pl->{npc_dialog};
2404 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2494 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405 2495
2406 } else { 2496 } else {
2407 $msg = $npc->name . " says: $msg" if $npc; 2497 $msg = $npc->name . " says: $msg" if $npc;
2408 $self->message ($msg, $flags); 2498 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409 } 2499 }
2410 } 2500 }
2411} 2501}
2412 2502
2413=item $object->send_msg ($channel, $msg, $color, [extra...]) 2503=item $object->send_msg ($channel, $msg, $color, [extra...])
2625 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
2626 } 2716 }
2627 2717
2628 $rmp->{random_seed} ||= $exit->random_seed; 2718 $rmp->{random_seed} ||= $exit->random_seed;
2629 2719
2630 my $data = cf::to_json $rmp; 2720 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631 my $md5 = Digest::MD5::md5_hex $data; 2721 my $md5 = Digest::MD5::md5_hex $data;
2632 my $meta = "$RANDOMDIR/$md5.meta"; 2722 my $meta = "$RANDOMDIR/$md5.meta";
2633 2723
2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2724 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635 aio_write $fh, 0, (length $data), $data, 0; 2725 aio_write $fh, 0, (length $data), $data, 0;
2758 id => "infobox", 2848 id => "infobox",
2759 title => "Map Info", 2849 title => "Map Info",
2760 reply => undef, 2850 reply => undef,
2761 tooltip => "Information related to the maps", 2851 tooltip => "Information related to the maps",
2762 }, 2852 },
2853 "c/party" => {
2854 id => "party",
2855 title => "Party",
2856 reply => "gsay ",
2857 tooltip => "Messages and chat related to your party",
2858 },
2763); 2859);
2764 2860
2765sub cf::client::send_msg { 2861sub cf::client::send_msg {
2766 my ($self, $channel, $msg, $color, @extra) = @_; 2862 my ($self, $channel, $msg, $color, @extra) = @_;
2767 2863
3004 3100
3005The following functions and methods are available within a safe environment: 3101The following functions and methods are available within a safe environment:
3006 3102
3007 cf::object 3103 cf::object
3008 contr pay_amount pay_player map x y force_find force_add destroy 3104 contr pay_amount pay_player map x y force_find force_add destroy
3009 insert remove name archname title slaying race decrease_ob_nr 3105 insert remove name archname title slaying race decrease split
3010 3106
3011 cf::object::player 3107 cf::object::player
3012 player 3108 player
3013 3109
3014 cf::player 3110 cf::player
3020=cut 3116=cut
3021 3117
3022for ( 3118for (
3023 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3119 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024 insert remove inv name archname title slaying race 3120 insert remove inv name archname title slaying race
3025 decrease_ob_nr destroy)], 3121 decrease split destroy)],
3026 ["cf::object::player" => qw(player)], 3122 ["cf::object::player" => qw(player)],
3027 ["cf::player" => qw(peaceful)], 3123 ["cf::player" => qw(peaceful)],
3028 ["cf::map" => qw(trigger)], 3124 ["cf::map" => qw(trigger)],
3029) { 3125) {
3030 no strict 'refs'; 3126 no strict 'refs';
3135 { 3231 {
3136 my $faces = $facedata->{faceinfo}; 3232 my $faces = $facedata->{faceinfo};
3137 3233
3138 while (my ($face, $info) = each %$faces) { 3234 while (my ($face, $info) = each %$faces) {
3139 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3235 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3236
3140 cf::face::set_visibility $idx, $info->{visibility}; 3237 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap}; 3238 cf::face::set_magicmap $idx, $info->{magicmap};
3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3239 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}; 3240 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144 3241
3145 cf::cede_to_tick; 3242 cf::cede_to_tick;
3146 } 3243 }
3147 3244
3148 while (my ($face, $info) = each %$faces) { 3245 while (my ($face, $info) = each %$faces) {
3149 next unless $info->{smooth}; 3246 next unless $info->{smooth};
3247
3150 my $idx = cf::face::find $face 3248 my $idx = cf::face::find $face
3151 or next; 3249 or next;
3250
3152 if (my $smooth = cf::face::find $info->{smooth}) { 3251 if (my $smooth = cf::face::find $info->{smooth}) {
3153 cf::face::set_smooth $idx, $smooth; 3252 cf::face::set_smooth $idx, $smooth;
3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3253 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155 } else { 3254 } else {
3156 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3255 warn "smooth face '$info->{smooth}' not found for face '$face'";
3174 { 3273 {
3175 # TODO: for gcfclient pleasure, we should give resources 3274 # TODO: for gcfclient pleasure, we should give resources
3176 # that gcfclient doesn't grok a >10000 face index. 3275 # that gcfclient doesn't grok a >10000 face index.
3177 my $res = $facedata->{resource}; 3276 my $res = $facedata->{resource};
3178 3277
3179 my $soundconf = delete $res->{"res/sound.conf"};
3180
3181 while (my ($name, $info) = each %$res) { 3278 while (my ($name, $info) = each %$res) {
3279 if (defined $info->{type}) {
3182 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3280 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183 my $data; 3281 my $data;
3184 3282
3185 if ($info->{type} & 1) { 3283 if ($info->{type} & 1) {
3186 # prepend meta info 3284 # prepend meta info
3187 3285
3188 my $meta = $enc->encode ({ 3286 my $meta = $enc->encode ({
3189 name => $name, 3287 name => $name,
3190 %{ $info->{meta} || {} }, 3288 %{ $info->{meta} || {} },
3191 }); 3289 });
3192 3290
3193 $data = pack "(w/a*)*", $meta, $info->{data}; 3291 $data = pack "(w/a*)*", $meta, $info->{data};
3292 } else {
3293 $data = $info->{data};
3294 }
3295
3296 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3297 cf::face::set_type $idx, $info->{type};
3194 } else { 3298 } else {
3195 $data = $info->{data}; 3299 $RESOURCE{$name} = $info;
3196 } 3300 }
3197 3301
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; 3302 cf::cede_to_tick;
3202 } 3303 }
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 } 3304 }
3305
3306 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222 3307
3223 1 3308 1
3224} 3309}
3310
3311cf::global->attach (on_resource_update => sub {
3312 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3313 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3314
3315 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3316 my $sound = $soundconf->{compat}[$_]
3317 or next;
3318
3319 my $face = cf::face::find "sound/$sound->[1]";
3320 cf::sound::set $sound->[0] => $face;
3321 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3322 }
3323
3324 while (my ($k, $v) = each %{$soundconf->{event}}) {
3325 my $face = cf::face::find "sound/$v";
3326 cf::sound::set $k => $face;
3327 }
3328 }
3329});
3225 3330
3226register_exticmd fx_want => sub { 3331register_exticmd fx_want => sub {
3227 my ($ns, $want) = @_; 3332 my ($ns, $want) = @_;
3228 3333
3229 while (my ($k, $v) = each %$want) { 3334 while (my ($k, $v) = each %$want) {
3230 $ns->fx_want ($k, $v); 3335 $ns->fx_want ($k, $v);
3231 } 3336 }
3232}; 3337};
3338
3339sub load_resource_file($) {
3340 my $guard = lock_acquire "load_resource_file";
3341
3342 my $status = load_resource_file_ $_[0];
3343 get_slot 0.1, 100;
3344 cf::arch::commit_load;
3345
3346 $status
3347}
3233 3348
3234sub reload_regions { 3349sub reload_regions {
3235 # HACK to clear player env face cache, we need some signal framework 3350 # HACK to clear player env face cache, we need some signal framework
3236 # for this (global event?) 3351 # for this (global event?)
3237 %ext::player_env::MUSIC_FACE_CACHE = (); 3352 %ext::player_env::MUSIC_FACE_CACHE = ();
3251} 3366}
3252 3367
3253sub reload_archetypes { 3368sub reload_archetypes {
3254 load_resource_file "$DATADIR/archetypes" 3369 load_resource_file "$DATADIR/archetypes"
3255 or die "unable to load archetypes\n"; 3370 or die "unable to load archetypes\n";
3256 #d# NEED to laod twice to resolve forward references
3257 # this really needs to be done in an extra post-pass
3258 # (which needs to be synchronous, so solve it differently)
3259 load_resource_file "$DATADIR/archetypes"
3260 or die "unable to load archetypes\n";
3261} 3371}
3262 3372
3263sub reload_treasures { 3373sub reload_treasures {
3264 load_resource_file "$DATADIR/treasures" 3374 load_resource_file "$DATADIR/treasures"
3265 or die "unable to load treasurelists\n"; 3375 or die "unable to load treasurelists\n";
3266} 3376}
3267 3377
3268sub reload_resources { 3378sub reload_resources {
3269 warn "reloading resource files...\n"; 3379 warn "reloading resource files...\n";
3270 3380
3381 reload_facedata;
3382 reload_archetypes;
3271 reload_regions; 3383 reload_regions;
3272 reload_facedata;
3273 #reload_archetypes;#d#
3274 reload_archetypes;
3275 reload_treasures; 3384 reload_treasures;
3276 3385
3277 warn "finished reloading resource files\n"; 3386 warn "finished reloading resource files\n";
3278} 3387}
3279 3388
3280sub init { 3389sub init {
3390 my $guard = freeze_mainloop;
3391
3281 reload_resources; 3392 reload_resources;
3282} 3393}
3283 3394
3284sub reload_config { 3395sub reload_config {
3285 open my $fh, "<:utf8", "$CONFDIR/config" 3396 open my $fh, "<:utf8", "$CONFDIR/config"
3286 or return; 3397 or return;
3287 3398
3288 local $/; 3399 local $/;
3289 *CFG = YAML::Syck::Load <$fh>; 3400 *CFG = YAML::Load <$fh>;
3290 3401
3291 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3402 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292 3403
3293 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3404 $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}; 3405 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3306 # we must not ever block the main coroutine 3417 # we must not ever block the main coroutine
3307 local $Coro::idle = sub { 3418 local $Coro::idle = sub {
3308 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3419 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309 (async { 3420 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3421 $Coro::current->{desc} = "IDLE BUG HANDLER";
3311 Event::one_event; 3422 EV::loop EV::LOOP_ONESHOT;
3312 })->prio (Coro::PRIO_MAX); 3423 })->prio (Coro::PRIO_MAX);
3313 }; 3424 };
3314 3425
3426 {
3427 my $guard = freeze_mainloop;
3315 reload_config; 3428 reload_config;
3316 db_init; 3429 db_init;
3317 load_extensions; 3430 load_extensions;
3318 3431
3319 $TICK_WATCHER->start; 3432 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3433 evthread_start IO::AIO::poll_fileno;
3434 }
3435
3320 Event::loop; 3436 EV::loop;
3321} 3437}
3322 3438
3323############################################################################# 3439#############################################################################
3324# initialisation and cleanup 3440# initialisation and cleanup
3325 3441
3326# install some emergency cleanup handlers 3442# install some emergency cleanup handlers
3327BEGIN { 3443BEGIN {
3444 our %SIGWATCHER = ();
3328 for my $signal (qw(INT HUP TERM)) { 3445 for my $signal (qw(INT HUP TERM)) {
3329 Event->signal ( 3446 $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"; 3447 cf::cleanup "SIG$signal";
3336 },
3337 ); 3448 };
3338 } 3449 }
3339} 3450}
3340 3451
3341sub write_runtime { 3452sub write_runtime_sync {
3342 my $runtime = "$LOCALDIR/runtime"; 3453 my $runtime = "$LOCALDIR/runtime";
3343 3454
3344 # first touch the runtime file to show we are still running: 3455 # first touch the runtime file to show we are still running:
3345 # the fsync below can take a very very long time. 3456 # the fsync below can take a very very long time.
3346 3457
3372 and return; 3483 and return;
3373 3484
3374 warn "runtime file written.\n"; 3485 warn "runtime file written.\n";
3375 3486
3376 1 3487 1
3488}
3489
3490our $uuid_lock;
3491our $uuid_skip;
3492
3493sub write_uuid_sync($) {
3494 $uuid_skip ||= $_[0];
3495
3496 return if $uuid_lock;
3497 local $uuid_lock = 1;
3498
3499 my $uuid = "$LOCALDIR/uuid";
3500
3501 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3502 or return;
3503
3504 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3505 $uuid_skip = 0;
3506
3507 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3508 and return;
3509
3510 # always fsync - this file is important
3511 aio_fsync $fh
3512 and return;
3513
3514 close $fh
3515 or return;
3516
3517 aio_rename "$uuid~", $uuid
3518 and return;
3519
3520 warn "uuid file written ($value).\n";
3521
3522 1
3523
3524}
3525
3526sub write_uuid($$) {
3527 my ($skip, $sync) = @_;
3528
3529 $sync ? write_uuid_sync $skip
3530 : async { write_uuid_sync $skip };
3377} 3531}
3378 3532
3379sub emergency_save() { 3533sub emergency_save() {
3380 my $freeze_guard = cf::freeze_mainloop; 3534 my $freeze_guard = cf::freeze_mainloop;
3381 3535
3403 warn "end emergency map save\n"; 3557 warn "end emergency map save\n";
3404 3558
3405 warn "begin emergency database checkpoint\n"; 3559 warn "begin emergency database checkpoint\n";
3406 BDB::db_env_txn_checkpoint $DB_ENV; 3560 BDB::db_env_txn_checkpoint $DB_ENV;
3407 warn "end emergency database checkpoint\n"; 3561 warn "end emergency database checkpoint\n";
3562
3563 warn "begin write uuid\n";
3564 write_uuid_sync 1;
3565 warn "end write uuid\n";
3408 }; 3566 };
3409 3567
3410 warn "leave emergency perl save\n"; 3568 warn "leave emergency perl save\n";
3411} 3569}
3412 3570
3427 warn "reloading..."; 3585 warn "reloading...";
3428 3586
3429 warn "entering sync_job"; 3587 warn "entering sync_job";
3430 3588
3431 cf::sync_job { 3589 cf::sync_job {
3432 cf::write_runtime; # external watchdog should not bark 3590 cf::write_runtime_sync; # external watchdog should not bark
3433 cf::emergency_save; 3591 cf::emergency_save;
3434 cf::write_runtime; # external watchdog should not bark 3592 cf::write_runtime_sync; # external watchdog should not bark
3435 3593
3436 warn "syncing database to disk"; 3594 warn "syncing database to disk";
3437 BDB::db_env_txn_checkpoint $DB_ENV; 3595 BDB::db_env_txn_checkpoint $DB_ENV;
3438 3596
3439 # if anything goes wrong in here, we should simply crash as we already saved 3597 # 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 3598
3446 warn "flushing outstanding aio requests"; 3599 warn "flushing outstanding aio requests";
3447 for (;;) { 3600 for (;;) {
3448 BDB::flush; 3601 BDB::flush;
3449 IO::AIO::flush; 3602 IO::AIO::flush;
3531 warn "leaving sync_job"; 3684 warn "leaving sync_job";
3532 3685
3533 1 3686 1
3534 } or do { 3687 } or do {
3535 warn $@; 3688 warn $@;
3536 warn "error while reloading, exiting."; 3689 cf::cleanup "error while reloading, exiting.";
3537 exit 1;
3538 }; 3690 };
3539 3691
3540 warn "reloaded"; 3692 warn "reloaded";
3541}; 3693};
3542 3694
3544 3696
3545sub reload_perl() { 3697sub reload_perl() {
3546 # doing reload synchronously and two reloads happen back-to-back, 3698 # doing reload synchronously and two reloads happen back-to-back,
3547 # coro crashes during coro_state_free->destroy here. 3699 # coro crashes during coro_state_free->destroy here.
3548 3700
3549 $RELOAD_WATCHER ||= Event->timer ( 3701 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3550 reentrant => 0,
3551 after => 0,
3552 data => WF_AUTOCANCEL,
3553 cb => sub {
3554 do_reload_perl; 3702 do_reload_perl;
3555 undef $RELOAD_WATCHER; 3703 undef $RELOAD_WATCHER;
3556 },
3557 ); 3704 };
3558} 3705}
3559 3706
3560register_command "reload" => sub { 3707register_command "reload" => sub {
3561 my ($who, $arg) = @_; 3708 my ($who, $arg) = @_;
3562 3709
3575 3722
3576our @WAIT_FOR_TICK; 3723our @WAIT_FOR_TICK;
3577our @WAIT_FOR_TICK_BEGIN; 3724our @WAIT_FOR_TICK_BEGIN;
3578 3725
3579sub wait_for_tick { 3726sub wait_for_tick {
3580 return unless $TICK_WATCHER->is_active;
3581 return if $Coro::current == $Coro::main; 3727 return if tick_inhibit || $Coro::current == $Coro::main;
3582 3728
3583 my $signal = new Coro::Signal; 3729 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal; 3730 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait; 3731 $signal->wait;
3586} 3732}
3587 3733
3588sub wait_for_tick_begin { 3734sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active;
3590 return if $Coro::current == $Coro::main; 3735 return if tick_inhibit || $Coro::current == $Coro::main;
3591 3736
3592 my $signal = new Coro::Signal; 3737 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal; 3738 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait; 3739 $signal->wait;
3595} 3740}
3596 3741
3597$TICK_WATCHER = Event->timer ( 3742sub 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 != $Coro::main) { 3743 if ($Coro::current != $Coro::main) {
3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3744 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606 unless ++$bug_warning > 10; 3745 unless ++$bug_warning > 10;
3607 return; 3746 return;
3608 } 3747 }
3609 3748
3610 $NOW = $tick_start = Event::time;
3611
3612 cf::server_tick; # one server iteration 3749 cf::server_tick; # one server iteration
3613 3750
3614 $RUNTIME += $TICK;
3615 $NEXT_TICK += $TICK;
3616
3617 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3751 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618 $NEXT_RUNTIME_WRITE = $NOW + 10; 3752 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619 Coro::async_pool { 3753 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver"; 3754 $Coro::current->{desc} = "runtime saver";
3621 write_runtime 3755 write_runtime_sync
3622 or warn "ERROR: unable to write runtime file: $!"; 3756 or warn "ERROR: unable to write runtime file: $!";
3623 };
3624 } 3757 };
3758 }
3625 3759
3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3760 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627 $sig->send; 3761 $sig->send;
3628 } 3762 }
3629 while (my $sig = shift @WAIT_FOR_TICK) { 3763 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send; 3764 $sig->send;
3631 } 3765 }
3632 3766
3633 $NOW = Event::time; 3767 $LOAD = ($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; 3768 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643 3769
3644 _post_tick; 3770 if (0) {
3771 if ($NEXT_TICK) {
3772 my $jitter = $TICK_START - $NEXT_TICK;
3773 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3774 warn "jitter $JITTER\n";#d#
3775 }
3645 }, 3776 }
3646); 3777}
3647 3778
3648{ 3779{
3780 # configure BDB
3781
3649 BDB::min_parallel 8; 3782 BDB::min_parallel 8;
3650 BDB::max_poll_time $TICK * 0.1; 3783 BDB::max_poll_reqs $TICK * 0.1;
3651 $BDB_POLL_WATCHER = Event->io ( 3784 $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 $! = $status;
3671 },
3672 )
3673 };
3674 3785
3675 unless ($DB_ENV) { 3786 unless ($DB_ENV) {
3676 $DB_ENV = BDB::db_env_create; 3787 $DB_ENV = BDB::db_env_create;
3677 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3788 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3678 | BDB::LOG_AUTOREMOVE, 1); 3789 | BDB::LOG_AUTOREMOVE, 1);
3693 3804
3694 cf::cleanup "db_env_open(db): $@" if $@; 3805 cf::cleanup "db_env_open(db): $@" if $@;
3695 }; 3806 };
3696 } 3807 }
3697 3808
3698 $BDB_DEADLOCK_WATCHER = Event->timer ( 3809 $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 { }; 3810 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706 },
3707 ); 3811 };
3708 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3812 $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 { }; 3813 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716 },
3717 ); 3814 };
3718 $BDB_TRICKLE_WATCHER = Event->timer ( 3815 $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 { }; 3816 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726 },
3727 ); 3817 };
3728} 3818}
3729 3819
3730{ 3820{
3821 # configure IO::AIO
3822
3731 IO::AIO::min_parallel 8; 3823 IO::AIO::min_parallel 8;
3732
3733 undef $Coro::AIO::WATCHER;
3734 IO::AIO::max_poll_time $TICK * 0.1; 3824 IO::AIO::max_poll_time $TICK * 0.1;
3735 $AIO_POLL_WATCHER = Event->io ( 3825 $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} 3826}
3744 3827
3745my $_log_backtrace; 3828my $_log_backtrace;
3746 3829
3747sub _log_backtrace { 3830sub _log_backtrace {

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