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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.482 by root, Sun Oct 11 05:31:54 2009 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 76
40$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
41 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 79
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 81
49our %COMMAND = (); 82our %COMMAND = ();
50our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
51 84
52our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
56 90
57our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
59 95
60our $CONFDIR = confdir; 96our $CONFDIR = confdir;
61our $DATADIR = datadir; 97our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
110our %RESOURCE;
71 111
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 114our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
79 116
117our $BDB_DEADLOCK_WATCHER;
118our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 119our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 120our $DB_ENV;
121
122our @EXTRA_MODULES = qw(pod match mapscript);
82 123
83our %CFG; 124our %CFG;
84 125
85our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 127our $RUNTIME;
128our $NOW;
87 129
88our %PLAYER; # all users 130our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 131our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 132our $LINK_MAP; # the special {link} map, which is always available
91 133
92# used to convert map paths into valid unix filenames by replacing / by ∕ 134# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 135our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 136
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
139our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 140our $TICK_START; # for load detecting purposes
141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
98 146
99binmode STDOUT; 147binmode STDOUT;
100binmode STDERR; 148binmode STDERR;
101 149
102# read virtual server time, if available 150# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
107} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
108 158
109mkdir $_ 159mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 161
112our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
113 163
114sub cf::map::normalise; 164sub cf::map::normalise;
165
166#############################################################################
167
168%REFLECT = ();
169for (@REFLECT) {
170 my $reflect = JSON::XS::decode_json $_;
171 $REFLECT{$reflect->{class}} = $reflect;
172}
173
174# this is decidedly evil
175$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 176
116############################################################################# 177#############################################################################
117 178
118=head2 GLOBAL VARIABLES 179=head2 GLOBAL VARIABLES
119 180
… …
155 216
156The raw value load value from the last tick. 217The raw value load value from the last tick.
157 218
158=item %cf::CFG 219=item %cf::CFG
159 220
160Configuration for the server, loaded from C</etc/crossfire/config>, or 221Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 222from wherever your confdir points to.
162 223
163=item cf::wait_for_tick, cf::wait_for_tick_begin 224=item cf::wait_for_tick, cf::wait_for_tick_begin
164 225
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 226These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 227returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 228per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 229
230=item @cf::INVOKE_RESULTS
231
232This array contains the results of the last C<invoke ()> call. When
233C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
234that call.
235
236=item %cf::REFLECT
237
238Contains, for each (C++) class name, a hash reference with information
239about object members (methods, scalars, arrays and flags) and other
240metadata, which is useful for introspection.
241
169=back 242=back
170 243
171=cut 244=cut
172 245
173BEGIN { 246$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 247 my $msg = join "", @_;
176 248
177 $msg .= "\n" 249 $msg .= "\n"
178 unless $msg =~ /\n$/; 250 unless $msg =~ /\n$/;
179 251
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 252 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 253
182 utf8::encode $msg;
183 LOG llevError, $msg; 254 LOG llevError, $msg;
184 }; 255};
185} 256
257$Coro::State::DIEHOOK = sub {
258 return unless $^S eq 0; # "eq", not "=="
259
260 warn Carp::longmess $_[0];
261
262 if ($Coro::current == $Coro::main) {#d#
263 warn "DIEHOOK called in main context, Coro bug?\n";#d#
264 return;#d#
265 }#d#
266
267 # kill coroutine otherwise
268 Coro::terminate
269};
186 270
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 271@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 272@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 273@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 274@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 281for my $pkg (qw(
198 cf::global cf::attachable 282 cf::global cf::attachable
199 cf::object cf::object::player 283 cf::object cf::object::player
200 cf::client cf::player 284 cf::client cf::player
201 cf::arch cf::living 285 cf::arch cf::living
286 cf::map cf::mapspace
202 cf::map cf::party cf::region 287 cf::party cf::region
203)) { 288)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 290}
207 291
208$Event::DIED = sub { 292$EV::DIED = sub {
209 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
210}; 294};
295
296#############################################################################
211 297
212=head2 UTILITY FUNCTIONS 298=head2 UTILITY FUNCTIONS
213 299
214=over 4 300=over 4
215 301
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 320 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 321 $d
236 } || "[unable to dump $_[0]: '$@']"; 322 } || "[unable to dump $_[0]: '$@']";
237} 323}
238 324
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 325=item $ref = cf::decode_json $json
242 326
243Converts a JSON string into the corresponding perl data structure. 327Converts a JSON string into the corresponding perl data structure.
244 328
245=item $json = cf::to_json $ref 329=item $json = cf::encode_json $ref
246 330
247Converts a perl data structure into its JSON representation. 331Converts a perl data structure into its JSON representation.
248 332
333=cut
334
335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
336
337sub encode_json($) { $json_coder->encode ($_[0]) }
338sub decode_json($) { $json_coder->decode ($_[0]) }
339
340=item cf::post_init { BLOCK }
341
342Execute the given codeblock, I<after> all extensions have been (re-)loaded,
343but I<before> the server starts ticking again.
344
345The cdoeblock will have a single boolean argument to indicate whether this
346is a reload or not.
347
348=cut
349
350sub post_init(&) {
351 push @POST_INIT, shift;
352}
353
249=item cf::lock_wait $string 354=item cf::lock_wait $string
250 355
251Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
252 357
253=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
254 359
255Wait until the given lock is available and then acquires it and returns 360Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 361a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
258returned. 363returned.
259 364
365Locks are *not* recursive, locking from the same coro twice results in a
366deadlocked coro.
367
260Lock names should begin with a unique identifier (for example, cf::map::find 368Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 369uses map_find and cf::map::load uses map_load).
262 370
263=item $locked = cf::lock_active $string 371=item $locked = cf::lock_active $string
264 372
265Return true if the lock is currently active, i.e. somebody has locked it. 373Return true if the lock is currently active, i.e. somebody has locked it.
266 374
267=cut 375=cut
268 376
269our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
270 378
271sub lock_wait($) { 379sub lock_wait($) {
272 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 381}
280 382
281sub lock_acquire($) { 383sub lock_acquire($) {
282 my ($key) = @_; 384 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 385}
294 386
295sub lock_active($) { 387sub lock_active($) {
296 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 389}
300 390
301sub freeze_mainloop { 391sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 392 tick_inhibit_inc;
303 393
304 my $guard = Coro::guard { 394 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 395}
396
397=item cf::periodic $interval, $cb
398
399Like EV::periodic, but randomly selects a starting point so that the actions
400get spread over timer.
401
402=cut
403
404sub periodic($$) {
405 my ($interval, $cb) = @_;
406
407 my $start = rand List::Util::min 180, $interval;
408
409 EV::periodic $start, $interval, 0, $cb
410}
411
412=item cf::get_slot $time[, $priority[, $name]]
413
414Allocate $time seconds of blocking CPU time at priority C<$priority>:
415This call blocks and returns only when you have at least C<$time> seconds
416of cpu time till the next tick. The slot is only valid till the next cede.
417
418The optional C<$name> can be used to identify the job to run. It might be
419used for statistical purposes and should identify the same time-class.
420
421Useful for short background jobs.
422
423=cut
424
425our @SLOT_QUEUE;
426our $SLOT_QUEUE;
427
428$SLOT_QUEUE->cancel if $SLOT_QUEUE;
429$SLOT_QUEUE = Coro::async {
430 $Coro::current->desc ("timeslot manager");
431
432 my $signal = new Coro::Signal;
433
434 while () {
435 next_job:
436 my $avail = cf::till_tick;
437 if ($avail > 0.01) {
438 for (0 .. $#SLOT_QUEUE) {
439 if ($SLOT_QUEUE[$_][0] < $avail) {
440 my $job = splice @SLOT_QUEUE, $_, 1, ();
441 $job->[2]->send;
442 Coro::cede;
443 goto next_job;
444 }
445 }
446 }
447
448 if (@SLOT_QUEUE) {
449 # we do not use wait_for_tick() as it returns immediately when tick is inactive
450 push @cf::WAIT_FOR_TICK, $signal;
451 $signal->wait;
452 } else {
453 Coro::schedule;
454 }
306 }; 455 }
307 $TICK_WATCHER->stop; 456};
308 $guard 457
458sub get_slot($;$$) {
459 return if tick_inhibit || $Coro::current == $Coro::main;
460
461 my ($time, $pri, $name) = @_;
462
463 $time = $TICK * .6 if $time > $TICK * .6;
464 my $sig = new Coro::Signal;
465
466 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
467 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
468 $SLOT_QUEUE->ready;
469 $sig->wait;
309} 470}
310 471
311=item cf::async { BLOCK } 472=item cf::async { BLOCK }
312 473
313Currently the same as Coro::async_pool, meaning you cannot use 474Currently the same as Coro::async_pool, meaning you cannot use
… …
318 479
319BEGIN { *async = \&Coro::async_pool } 480BEGIN { *async = \&Coro::async_pool }
320 481
321=item cf::sync_job { BLOCK } 482=item cf::sync_job { BLOCK }
322 483
323The design of crossfire+ requires that the main coro ($Coro::main) is 484The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 485is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 486partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
487acceptable.
326 488
327If it must be done, put the blocking parts into C<sync_job>. This will run 489If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 490the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 491server will be frozen during this time, so the block should either finish
330fast or be very important. 492fast or be very important.
… …
333 495
334sub sync_job(&) { 496sub sync_job(&) {
335 my ($job) = @_; 497 my ($job) = @_;
336 498
337 if ($Coro::current == $Coro::main) { 499 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 500 my $time = EV::time;
339 501
340 # this is the main coro, too bad, we have to block 502 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 503 # till the operation succeeds, freezing the server :/
342 504
343 # TODO: use suspend/resume instead 505 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 506
345 my $freeze_guard = freeze_mainloop; 507 my $freeze_guard = freeze_mainloop;
346 508
347 my $busy = 1; 509 my $busy = 1;
348 my @res; 510 my @res;
349 511
350 (async { 512 (async {
513 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 514 @res = eval { $job->() };
352 warn $@ if $@; 515 warn $@ if $@;
353 undef $busy; 516 undef $busy;
354 })->prio (Coro::PRIO_MAX); 517 })->prio (Coro::PRIO_MAX);
355 518
356 while ($busy) { 519 while ($busy) {
357 Coro::cede or Event::one_event; 520 if (Coro::nready) {
521 Coro::cede_notself;
522 } else {
523 EV::loop EV::LOOP_ONESHOT;
358 } 524 }
525 }
359 526
360 $time = Event::time - $time; 527 my $time = EV::time - $time;
361 528
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 529 $TICK_START += $time; # do not account sync jobs to server load
366 530
367 wantarray ? @res : $res[0] 531 wantarray ? @res : $res[0]
368 } else { 532 } else {
369 # we are in another coroutine, how wonderful, everything just works 533 # we are in another coroutine, how wonderful, everything just works
370 534
… …
390 $EXT_CORO{$coro+0} = $coro; 554 $EXT_CORO{$coro+0} = $coro;
391 555
392 $coro 556 $coro
393} 557}
394 558
395sub write_runtime { 559=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 560
398 # first touch the runtime file to show we are still running: 561Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 562process, returning the results. Everything must be serialisable with
563Coro::Storable. May, of course, block. Note that the executed sub may
564never block itself or use any form of event handling.
400 565
401 IO::AIO::aio_utime $runtime, undef, undef; 566=cut
402 567
403 my $guard = cf::lock_acquire "write_runtime"; 568sub fork_call(&@) {
569 my ($cb, @args) = @_;
404 570
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 571 # we seemingly have to make a local copy of the whole thing,
406 or return; 572 # otherwise perl prematurely frees the stuff :/
573 # TODO: investigate and fix (likely this will be rather laborious)
407 574
408 my $value = $cf::RUNTIME + 90 + 10; 575 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 576 reset_signals;
410 # 60 allows for the watchdog to kill the server. 577 &$cb
578 }, @args;
411 579
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 580 wantarray ? @res : $res[-1]
413 and return; 581}
414 582
415 # always fsync - this file is important 583=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 584
419 # touch it again to show we are up-to-date 585=cut
420 aio_utime $fh, undef, undef;
421 586
422 close $fh 587our %coin_alias = (
423 or return; 588 "silver" => "silvercoin",
589 "silvercoin" => "silvercoin",
590 "silvercoins" => "silvercoin",
591 "gold" => "goldcoin",
592 "goldcoin" => "goldcoin",
593 "goldcoins" => "goldcoin",
594 "platinum" => "platinacoin",
595 "platinumcoin" => "platinacoin",
596 "platinumcoins" => "platinacoin",
597 "platina" => "platinacoin",
598 "platinacoin" => "platinacoin",
599 "platinacoins" => "platinacoin",
600 "royalty" => "royalty",
601 "royalties" => "royalty",
602);
424 603
425 aio_rename "$runtime~", $runtime 604sub coin_from_name($) {
426 and return; 605 $coin_alias{$_[0]}
606 ? cf::arch::find $coin_alias{$_[0]}
607 : undef
608}
427 609
428 warn "runtime file written.\n"; 610=item $value = cf::db_get $family => $key
429 611
612Returns a single value from the environment database.
613
614=item cf::db_put $family => $key => $value
615
616Stores the given C<$value> in the family. It can currently store binary
617data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
618
619=item $db = cf::db_table "name"
620
621Create and/or open a new database table. The string must not be "db" and must be unique
622within each server.
623
624=cut
625
626sub db_table($) {
627 my ($name) = @_;
628 my $db = BDB::db_create $DB_ENV;
629
630 eval {
631 $db->set_flags (BDB::CHKSUM);
632
633 utf8::encode $name;
634 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
635 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
636 cf::cleanup "db_open(db): $!" if $!;
637 };
638 cf::cleanup "db_open(db): $@" if $@;
639
640 $db
641}
642
643our $DB;
644
645sub db_init {
646 cf::sync_job {
647 $DB ||= db_table "db";
648 };
649}
650
651sub db_get($$) {
652 my $key = "$_[0]/$_[1]";
653
654 cf::sync_job {
655 BDB::db_get $DB, undef, $key, my $data;
656
657 $! ? ()
658 : $data
430 1 659 }
660}
661
662sub db_put($$$) {
663 BDB::dbreq_pri 4;
664 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
665}
666
667=item cf::cache $id => [$paths...], $processversion => $process
668
669Generic caching function that returns the value of the resource $id,
670caching and regenerating as required.
671
672This function can block.
673
674=cut
675
676sub cache {
677 my ($id, $src, $processversion, $process) = @_;
678
679 my $meta =
680 join "\x00",
681 $processversion,
682 map {
683 aio_stat $_
684 and Carp::croak "$_: $!";
685
686 ($_, (stat _)[7,9])
687 } @$src;
688
689 my $dbmeta = db_get cache => "$id/meta";
690 if ($dbmeta ne $meta) {
691 # changed, we may need to process
692
693 my @data;
694 my $md5;
695
696 for (0 .. $#$src) {
697 0 <= aio_load $src->[$_], $data[$_]
698 or Carp::croak "$src->[$_]: $!";
699 }
700
701 # if processing is expensive, check
702 # checksum first
703 if (1) {
704 $md5 =
705 join "\x00",
706 $processversion,
707 map {
708 cf::cede_to_tick;
709 ($src->[$_], Digest::MD5::md5_hex $data[$_])
710 } 0.. $#$src;
711
712
713 my $dbmd5 = db_get cache => "$id/md5";
714 if ($dbmd5 eq $md5) {
715 db_put cache => "$id/meta", $meta;
716
717 return db_get cache => "$id/data";
718 }
719 }
720
721 my $t1 = Time::HiRes::time;
722 my $data = $process->(\@data);
723 my $t2 = Time::HiRes::time;
724
725 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
726
727 db_put cache => "$id/data", $data;
728 db_put cache => "$id/md5" , $md5;
729 db_put cache => "$id/meta", $meta;
730
731 return $data;
732 }
733
734 db_get cache => "$id/data"
431} 735}
432 736
433=item cf::datalog type => key => value, ... 737=item cf::datalog type => key => value, ...
434 738
435Log a datalog packet of the given type with the given key-value pairs. 739Log a datalog packet of the given type with the given key-value pairs.
… …
447 751
448############################################################################# 752#############################################################################
449 753
450=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
451 755
452Many objects in crossfire are so-called attachable objects. That means you can 756Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
455 759
456In the following description, CLASS can be any of C<global>, C<object> 760In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 761C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 762Deliantra).
459 763
460=over 4 764=over 4
461 765
462=item $attachable->attach ($attachment, key => $value...) 766=item $attachable->attach ($attachment, key => $value...)
463 767
… …
507=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
508 812
509Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
511 815
512Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
514 818
515These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
516 820
517=over 4 821=over 4
… …
665 _attach $registry, $klass, @attach; 969 _attach $registry, $klass, @attach;
666 } 970 }
667 971
668 $obj->{$name} = \%arg; 972 $obj->{$name} = \%arg;
669 } else { 973 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 974 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 975 }
672 976
673 $obj->{_attachment}{$name} = undef; 977 $obj->{_attachment}{$name} = undef;
674} 978}
675 979
… …
715 "; 1019 ";
716 die if $@; 1020 die if $@;
717} 1021}
718 1022
719our $override; 1023our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1024our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1025
722sub override { 1026sub override {
723 $override = 1; 1027 $override = 1;
724 @invoke_results = (); 1028 @INVOKE_RESULTS = (@_);
725} 1029}
726 1030
727sub do_invoke { 1031sub do_invoke {
728 my $event = shift; 1032 my $event = shift;
729 my $callbacks = shift; 1033 my $callbacks = shift;
730 1034
731 @invoke_results = (); 1035 @INVOKE_RESULTS = ();
732 1036
733 local $override; 1037 local $override;
734 1038
735 for (@$callbacks) { 1039 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1040 eval { &{$_->[1]} };
… …
745 } 1049 }
746 1050
747 0 1051 0
748} 1052}
749 1053
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1054=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1055
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1056=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1057
754Generate an object-specific event with the given arguments. 1058Generate an object-specific event with the given arguments.
755 1059
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1060This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1061removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1062results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1063
760=back 1064=back
761 1065
762=cut 1066=cut
763 1067
764############################################################################# 1068#############################################################################
765# object support 1069# object support
1070
1071sub _object_equal($$);
1072sub _object_equal($$) {
1073 my ($a, $b) = @_;
1074
1075 return 0 unless (ref $a) eq (ref $b);
1076
1077 if ("HASH" eq ref $a) {
1078 my @ka = keys %$a;
1079 my @kb = keys %$b;
1080
1081 return 0 if @ka != @kb;
1082
1083 for (0 .. $#ka) {
1084 return 0 unless $ka[$_] eq $kb[$_];
1085 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1086 }
1087
1088 } elsif ("ARRAY" eq ref $a) {
1089
1090 return 0 if @$a != @$b;
1091
1092 for (0 .. $#$a) {
1093 return 0 unless _object_equal $a->[$_], $b->[$_];
1094 }
1095
1096 } elsif ($a ne $b) {
1097 return 0;
1098 }
1099
1100 1
1101}
1102
1103our $SLOW_MERGES;#d#
1104sub _can_merge {
1105 my ($ob1, $ob2) = @_;
1106
1107 ++$SLOW_MERGES;#d#
1108
1109 # we do the slow way here
1110 return _object_equal $ob1, $ob2
1111}
766 1112
767sub reattach { 1113sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1115 my ($obj) = @_;
770 1116
1117 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1118 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1119
773 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
774 1121
775 @$registry = (); 1122 @$registry = ();
776 1123
… …
791cf::attachable->attach ( 1138cf::attachable->attach (
792 prio => -1000000, 1139 prio => -1000000,
793 on_instantiate => sub { 1140 on_instantiate => sub {
794 my ($obj, $data) = @_; 1141 my ($obj, $data) = @_;
795 1142
796 $data = from_json $data; 1143 $data = decode_json $data;
797 1144
798 for (@$data) { 1145 for (@$data) {
799 my ($name, $args) = @$_; 1146 my ($name, $args) = @$_;
800 1147
801 $obj->attach ($name, %{$args || {} }); 1148 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1164sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1165 my ($filename, $rdata, $objs) = @_;
819 1166
820 sync_job { 1167 sync_job {
821 if (length $$rdata) { 1168 if (length $$rdata) {
1169 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1170 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
824 1172
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1174 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1176 if ($cf::USE_FSYNC) {
1177 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1178 aio_fsync $fh;
1179 }
829 close $fh; 1180 aio_close $fh;
830 1181
831 if (@$objs) { 1182 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1183 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1184 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1187 if ($cf::USE_FSYNC) {
1188 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1189 aio_fsync $fh;
1190 }
837 close $fh; 1191 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
839 } 1193 }
840 } else { 1194 } else {
841 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
842 } 1196 }
843 1197
844 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1202 } else {
846 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
847 } 1204 }
848 } else { 1205 } else {
849 aio_unlink $filename; 1206 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
851 } 1208 }
852 } 1209 };
853} 1210}
854 1211
855sub object_freezer_as_string { 1212sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1213 my ($rdata, $objs) = @_;
857 1214
… …
869 or return; 1226 or return;
870 1227
871 unless (aio_stat "$filename.pst") { 1228 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1229 (aio_load "$filename.pst", $av) >= 0
873 or return; 1230 or return;
1231
874 $av = eval { (Storable::thaw $av)->{objs} }; 1232 my $st = eval { Coro::Storable::thaw $av };
1233 $av = $st->{objs};
875 } 1234 }
876 1235
1236 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1237 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1238 $decname, length $data, scalar @{$av || []};
1239
879 return ($data, $av); 1240 ($data, $av)
880} 1241}
1242
1243=head2 COMMAND CALLBACKS
1244
1245=over 4
1246
1247=cut
881 1248
882############################################################################# 1249#############################################################################
883# command handling &c 1250# command handling &c
884 1251
885=item cf::register_command $name => \&callback($ob,$args); 1252=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1265 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1266}
900 1267
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1268=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1269
903Register a callbackf ro execution when the client sends an extcmd packet. 1270Register a callback for execution when the client sends an (synchronous)
1271extcmd packet. Ext commands will be processed in the order they are
1272received by the server, like other user commands. The first argument is
1273the logged-in player. Ext commands can only be processed after a player
1274has logged in successfully.
904 1275
905If the callback returns something, it is sent back as if reply was being 1276If the callback returns something, it is sent back as if reply was being
906called. 1277called.
907 1278
1279=item cf::register_exticmd $name => \&callback($ns,$packet);
1280
1281Register a callback for execution when the client sends an (asynchronous)
1282exticmd packet. Exti commands are processed by the server as soon as they
1283are received, i.e. out of order w.r.t. other commands. The first argument
1284is a client socket. Exti commands can be received anytime, even before
1285log-in.
1286
1287If the callback returns something, it is sent back as if reply was being
1288called.
1289
908=cut 1290=cut
909 1291
910sub register_extcmd { 1292sub register_extcmd {
911 my ($name, $cb) = @_; 1293 my ($name, $cb) = @_;
912 1294
913 $EXTCMD{$name} = $cb; 1295 $EXTCMD{$name} = $cb;
914} 1296}
1297
1298sub register_exticmd {
1299 my ($name, $cb) = @_;
1300
1301 $EXTICMD{$name} = $cb;
1302}
1303
1304use File::Glob ();
915 1305
916cf::player->attach ( 1306cf::player->attach (
917 on_command => sub { 1307 on_command => sub {
918 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
919 1309
… …
927 cf::override; 1317 cf::override;
928 }, 1318 },
929 on_extcmd => sub { 1319 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1320 my ($pl, $buf) = @_;
931 1321
932 my $msg = eval { from_json $buf }; 1322 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1323
934 if (ref $msg) { 1324 if (ref $msg) {
1325 my ($type, $reply, @payload) =
1326 "ARRAY" eq ref $msg
1327 ? @$msg
1328 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1329
1330 my @reply;
1331
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1332 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1333 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1334 }
1335
1336 $pl->ext_reply ($reply, @reply)
1337 if $reply;
1338
940 } else { 1339 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1340 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1341 }
943 1342
944 cf::override; 1343 cf::override;
945 }, 1344 },
946); 1345);
947 1346
1347# "readahead" all extensions
948sub load_extension { 1348sub cache_extensions {
949 my ($path) = @_; 1349 my $grp = IO::AIO::aio_group;
950 1350
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1351 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1352 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1353 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 } 1354 }
976 die $@;
977 } 1355 };
978 1356
979 push @EXTS, $pkg; 1357 $grp
980} 1358}
981 1359
982sub load_extensions { 1360sub load_extensions {
1361 cf::sync_job {
1362 my %todo;
1363
983 for my $ext (<$LIBDIR/*.ext>) { 1364 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1365 next unless -r $path;
985 eval { 1366
986 load_extension $ext; 1367 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1368 my $base = $1;
1369 my $pkg = $1;
1370 $pkg =~ s/[^[:word:]]/_/g;
1371 $pkg = "ext::$pkg";
1372
1373 open my $fh, "<:utf8", $path
1374 or die "$path: $!";
1375
1376 my $source = do { local $/; <$fh> };
1377
1378 my %ext = (
1379 path => $path,
1380 base => $base,
1381 pkg => $pkg,
1382 );
1383
1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1386
1387 $ext{source} =
1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1389 . "#line 1 \"$path\"\n{\n"
1390 . $source
1391 . "\n};\n1";
1392
1393 $todo{$base} = \%ext;
1394 }
1395
1396 my %done;
1397 while (%todo) {
1398 my $progress;
1399
1400 while (my ($k, $v) = each %todo) {
1401 for (split /,\s*/, $v->{meta}{depends}) {
1402 goto skip
1403 unless exists $done{$_};
1404 }
1405
1406 warn "... loading '$k' into '$v->{pkg}'\n";
1407
1408 unless (eval $v->{source}) {
1409 my $msg = $@ ? "$v->{path}: $@\n"
1410 : "$v->{base}: extension inactive.\n";
1411
1412 if (exists $v->{meta}{mandatory}) {
1413 warn $msg;
1414 cf::cleanup "mandatory extension failed to load, exiting.";
1415 }
1416
1417 warn $msg;
1418 }
1419
1420 $done{$k} = delete $todo{$k};
1421 push @EXTS, $v->{pkg};
1422 $progress = 1;
987 1 1423 }
988 } or warn "$ext not loaded: $@"; 1424
1425 skip:
1426 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1427 unless $progress;
1428 }
989 } 1429 };
990} 1430}
991 1431
992############################################################################# 1432#############################################################################
993 1433
1434=back
1435
994=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
995 1437
996Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
997 1439
998=cut 1440=cut
999 1441
1000package cf::player; 1442package cf::player;
1001 1443
1002use Coro::AIO; 1444use Coro::AIO;
1003 1445
1004=head3 cf::player 1446=head3 cf::player
1005 1447
1006=over 4 1448=over 4
1449
1450=item cf::player::num_playing
1451
1452Returns the official number of playing players, as per the Crossfire metaserver rules.
1453
1454=cut
1455
1456sub num_playing {
1457 scalar grep
1458 $_->ob->map
1459 && !$_->hidden
1460 && !$_->ob->flag (cf::FLAG_WIZ),
1461 cf::player::list
1462}
1007 1463
1008=item cf::player::find $login 1464=item cf::player::find $login
1009 1465
1010Returns the given player object, loading it if necessary (might block). 1466Returns the given player object, loading it if necessary (might block).
1011 1467
… …
1030 1486
1031sub exists($) { 1487sub exists($) {
1032 my ($login) = @_; 1488 my ($login) = @_;
1033 1489
1034 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1036} 1492}
1037 1493
1038sub find($) { 1494sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1496 my $login = $_[0];
… …
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1503 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1504 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1505 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1506 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1507
1052 my $pl = load_pl path $login 1508 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1509 or return;
1510
1511 my $pl = cf::player::load_pl $f
1512 or return;
1513
1514 local $cf::PLAYER_LOADING{$login} = $pl;
1515 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1516 $cf::PLAYER{$login} = $pl
1055 } 1517 }
1056 } 1518 }
1057} 1519}
1058 1520
… …
1067 return if $pl->{deny_save}; 1529 return if $pl->{deny_save};
1068 1530
1069 aio_mkdir playerdir $pl, 0770; 1531 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1532 $pl->{last_save} = $cf::RUNTIME;
1071 1533
1534 cf::get_slot 0.01;
1535
1072 $pl->save_pl ($path); 1536 $pl->save_pl ($path);
1073 Coro::cede; 1537 cf::cede_to_tick;
1074} 1538}
1075 1539
1076sub new($) { 1540sub new($) {
1077 my ($login) = @_; 1541 my ($login) = @_;
1078 1542
… …
1084 $cf::PLAYER{$login} = $self; 1548 $cf::PLAYER{$login} = $self;
1085 1549
1086 $self 1550 $self
1087} 1551}
1088 1552
1553=item $player->send_msg ($channel, $msg, $color, [extra...])
1554
1555=cut
1556
1557sub send_msg {
1558 my $ns = shift->ns
1559 or return;
1560 $ns->send_msg (@_);
1561}
1562
1089=item $pl->quit_character 1563=item $pl->quit_character
1090 1564
1091Nukes the player without looking back. If logged in, the connection will 1565Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1566be destroyed. May block for a long time.
1093 1567
… …
1097 my ($pl) = @_; 1571 my ($pl) = @_;
1098 1572
1099 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1100 1574
1101 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1576 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1577
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1579 $pl->deactivate;
1580 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1581 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1582 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1583 $pl->ns->destroy if $pl->ns;
1108 1584
1109 my $path = playerdir $pl; 1585 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1586 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1146 or return []; 1622 or return [];
1147 1623
1148 my @logins; 1624 my @logins;
1149 1625
1150 for my $login (@$dirs) { 1626 for my $login (@$dirs) {
1627 my $path = path $login;
1628
1629 # a .pst is a dead give-away for a valid player
1630 # if no pst file found, open and chekc for blocked users
1631 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1632 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1633 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1634 $buf !~ /^password -------------$/m or next; # official not-valid tag
1635 }
1154 1636
1155 utf8::decode $login; 1637 utf8::decode $login;
1156 push @logins, $login; 1638 push @logins, $login;
1157 } 1639 }
1158 1640
… …
1185 } 1667 }
1186 1668
1187 \@paths 1669 \@paths
1188} 1670}
1189 1671
1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1673
1674Expand deliantra pod fragments into protocol xml.
1675
1190=item $player->ext_reply ($msgid, %msg) 1676=item $player->ext_reply ($msgid, @msg)
1191 1677
1192Sends an ext reply to the player. 1678Sends an ext reply to the player.
1193 1679
1194=cut 1680=cut
1195 1681
1196sub ext_reply($$%) { 1682sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1683 my ($self, $id, @msg) = @_;
1198 1684
1199 $msg{msgid} = $id; 1685 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1686}
1203 1687
1204=item $player->ext_event ($type, %msg) 1688=item $player->ext_msg ($type, @msg)
1205 1689
1206Sends an ext event to the client. 1690Sends an ext event to the client.
1207 1691
1208=cut 1692=cut
1209 1693
1210sub ext_event($$%) { 1694sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1695 my ($self, $type, @msg) = @_;
1212 1696
1213 $self->ns->ext_event ($type, %msg); 1697 $self->ns->ext_msg ($type, @msg);
1214} 1698}
1215 1699
1216=head3 cf::region 1700=head3 cf::region
1217 1701
1218=over 4 1702=over 4
… …
1221 1705
1222package cf::region; 1706package cf::region;
1223 1707
1224=item cf::region::find_by_path $path 1708=item cf::region::find_by_path $path
1225 1709
1226Tries to decuce the probable region for a map knowing only its path. 1710Tries to decuce the likely region for a map knowing only its path.
1227 1711
1228=cut 1712=cut
1229 1713
1230sub find_by_path($) { 1714sub find_by_path($) {
1231 my ($path) = @_; 1715 my ($path) = @_;
1232 1716
1233 my ($match, $specificity); 1717 my ($match, $specificity);
1234 1718
1235 for my $region (list) { 1719 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1720 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1721 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1722 if $region->specificity > $specificity;
1239 } 1723 }
1240 } 1724 }
1241 1725
… …
1262our $MAX_RESET = 3600; 1746our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1747our $DEFAULT_RESET = 3000;
1264 1748
1265sub generate_random_map { 1749sub generate_random_map {
1266 my ($self, $rmp) = @_; 1750 my ($self, $rmp) = @_;
1751
1752 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1753
1267 # mit "rum" bekleckern, nicht 1754 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1755 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1756 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1757 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1758 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1361 $self->init; # pass $1 etc. 1848 $self->init; # pass $1 etc.
1362 return $self; 1849 return $self;
1363 } 1850 }
1364 } 1851 }
1365 1852
1366 Carp::carp "unable to resolve path '$path' (base '$base')."; 1853 Carp::cluck "unable to resolve path '$path' (base '$base').";
1367 () 1854 ()
1368} 1855}
1369 1856
1370sub init { 1857sub init {
1371 my ($self) = @_; 1858 my ($self) = @_;
… …
1393 1880
1394# the temporary/swap location 1881# the temporary/swap location
1395sub save_path { 1882sub save_path {
1396 my ($self) = @_; 1883 my ($self) = @_;
1397 1884
1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1885 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399 "$TMPDIR/$path.map" 1886 "$TMPDIR/$path.map"
1400} 1887}
1401 1888
1402# the unique path, undef == no special unique path 1889# the unique path, undef == no special unique path
1403sub uniq_path { 1890sub uniq_path {
1404 my ($self) = @_; 1891 my ($self) = @_;
1405 1892
1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1408}
1409
1410# and all this just because we cannot iterate over
1411# all maps in C++...
1412sub change_all_map_light {
1413 my ($change) = @_;
1414
1415 $_->change_map_light ($change)
1416 for grep $_->outdoor, values %cf::MAP;
1417} 1895}
1418 1896
1419sub decay_objects { 1897sub decay_objects {
1420 my ($self) = @_; 1898 my ($self) = @_;
1421 1899
… …
1434 1912
1435sub load_header_from($) { 1913sub load_header_from($) {
1436 my ($self, $path) = @_; 1914 my ($self, $path) = @_;
1437 1915
1438 utf8::encode $path; 1916 utf8::encode $path;
1439 #aio_open $path, O_RDONLY, 0 1917 my $f = new_from_file cf::object::thawer $path
1440 # or return;
1441
1442 $self->_load_header ($path)
1443 or return; 1918 or return;
1919
1920 $self->_load_header ($f)
1921 or return;
1922
1923 local $MAP_LOADING{$self->{path}} = $self;
1924 $f->resolve_delayed_derefs;
1444 1925
1445 $self->{load_path} = $path; 1926 $self->{load_path} = $path;
1446 1927
1447 1 1928 1
1448} 1929}
… …
1502sub find { 1983sub find {
1503 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
1504 1985
1505 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
1506 1987
1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
1508 1990
1509 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
1510 my $guard = cf::lock_acquire "map_find:$path";
1511 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
1512 or return; 1993 or return;
1513 1994
1514 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
1515 1996
… …
1517 or return; 1998 or return;
1518 1999
1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2000 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously 2001 # doing this can freeze the server in a sync job, obviously
1521 #$cf::WAIT_FOR_TICK->wait; 2002 #$cf::WAIT_FOR_TICK->wait;
2003 undef $guard2;
2004 undef $guard1;
1522 $map->reset; 2005 $map->reset;
1523 undef $guard;
1524 return find $path; 2006 return find $path;
1525 } 2007 }
1526 2008
1527 $cf::MAP{$path} = $map 2009 $cf::MAP{$path} = $map
1528 } 2010 }
… …
1537 local $self->{deny_reset} = 1; # loading can take a long time 2019 local $self->{deny_reset} = 1; # loading can take a long time
1538 2020
1539 my $path = $self->{path}; 2021 my $path = $self->{path};
1540 2022
1541 { 2023 {
1542 my $guard = cf::lock_acquire "map_load:$path"; 2024 my $guard = cf::lock_acquire "map_data:$path";
1543 2025
2026 return unless $self->valid;
1544 return if $self->in_memory != cf::MAP_SWAPPED; 2027 return unless $self->in_memory == cf::MAP_SWAPPED;
1545 2028
1546 $self->in_memory (cf::MAP_LOADING); 2029 $self->in_memory (cf::MAP_LOADING);
1547 2030
1548 $self->alloc; 2031 $self->alloc;
1549 2032
1550 $self->pre_load; 2033 $self->pre_load;
1551 Coro::cede; 2034 cf::cede_to_tick;
1552 2035
2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2037 $f->skip_block;
1553 $self->_load_objects ($self->{load_path}, 1) 2038 $self->_load_objects ($f)
1554 or return; 2039 or return;
1555 2040
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->post_load_original
1557 if delete $self->{load_original}; 2042 if delete $self->{load_original};
1558 2043
1559 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq; 2045 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) { 2046 unless (aio_stat $uniq) {
2047 if (my $f = new_from_file cf::object::thawer $uniq) {
1562 $self->clear_unique_items; 2048 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0); 2049 $self->_load_objects ($f);
2050 $f->resolve_delayed_derefs;
2051 }
1564 } 2052 }
1565 } 2053 }
1566 2054
1567 Coro::cede; 2055 $f->resolve_delayed_derefs;
2056
2057 cf::cede_to_tick;
1568 # now do the right thing for maps 2058 # now do the right thing for maps
1569 $self->link_multipart_objects; 2059 $self->link_multipart_objects;
1570 $self->difficulty ($self->estimate_difficulty) 2060 $self->difficulty ($self->estimate_difficulty)
1571 unless $self->difficulty; 2061 unless $self->difficulty;
1572 Coro::cede; 2062 cf::cede_to_tick;
1573 2063
1574 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
1575 $self->decay_objects; 2065 $self->decay_objects;
1576 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
1577 $self->update_buttons; 2067 $self->update_buttons;
1578 Coro::cede; 2068 cf::cede_to_tick;
1579 $self->set_darkness_map;
1580 Coro::cede;
1581 $self->activate; 2069 $self->activate;
1582 } 2070 }
1583 2071
2072 $self->{last_save} = $cf::RUNTIME;
2073 $self->last_access ($cf::RUNTIME);
2074
1584 $self->in_memory (cf::MAP_IN_MEMORY); 2075 $self->in_memory (cf::MAP_ACTIVE);
1585 } 2076 }
1586 2077
1587 $self->post_load; 2078 $self->post_load;
1588} 2079}
1589 2080
… …
1598 2089
1599 $self 2090 $self
1600} 2091}
1601 2092
1602# find and load all maps in the 3x3 area around a map 2093# find and load all maps in the 3x3 area around a map
1603sub load_diag { 2094sub load_neighbours {
1604 my ($map) = @_; 2095 my ($map) = @_;
1605 2096
1606 my @diag; # diagonal neighbours 2097 my @neigh; # diagonal neighbours
1607 2098
1608 for (0 .. 3) { 2099 for (0 .. 3) {
1609 my $neigh = $map->tile_path ($_) 2100 my $neigh = $map->tile_path ($_)
1610 or next; 2101 or next;
1611 $neigh = find $neigh, $map 2102 $neigh = find $neigh, $map
1612 or next; 2103 or next;
1613 $neigh->load; 2104 $neigh->load;
1614 2105
2106 push @neigh,
1615 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2107 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2108 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1617 } 2109 }
1618 2110
1619 for (@diag) { 2111 for (grep defined $_->[0], @neigh) {
2112 my ($path, $origin) = @$_;
1620 my $neigh = find @$_ 2113 my $neigh = find $path, $origin
1621 or next; 2114 or next;
1622 $neigh->load; 2115 $neigh->load;
1623 } 2116 }
1624} 2117}
1625 2118
… …
1630} 2123}
1631 2124
1632sub do_load_sync { 2125sub do_load_sync {
1633 my ($map) = @_; 2126 my ($map) = @_;
1634 2127
2128 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2129 if $Coro::current == $Coro::main;
2130
1635 cf::sync_job { $map->load }; 2131 cf::sync_job { $map->load };
1636} 2132}
1637 2133
1638our %MAP_PREFETCH; 2134our %MAP_PREFETCH;
1639our $MAP_PREFETCHER = undef; 2135our $MAP_PREFETCHER = undef;
1640 2136
1641sub find_async { 2137sub find_async {
1642 my ($path, $origin) = @_; 2138 my ($path, $origin, $load) = @_;
1643 2139
1644 $path = normalise $path, $origin && $origin->{path}; 2140 $path = normalise $path, $origin && $origin->{path};
1645 2141
1646 if (my $map = $cf::MAP{$path}) { 2142 if (my $map = $cf::MAP{$path}) {
1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2143 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648 } 2144 }
1649 2145
1650 undef $MAP_PREFETCH{$path}; 2146 $MAP_PREFETCH{$path} |= $load;
2147
1651 $MAP_PREFETCHER ||= cf::async { 2148 $MAP_PREFETCHER ||= cf::async {
2149 $Coro::current->{desc} = "map prefetcher";
2150
1652 while (%MAP_PREFETCH) { 2151 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) { 2152 while (my ($k, $v) = each %MAP_PREFETCH) {
1654 my $map = find $path 2153 if (my $map = find $k) {
1655 or next;
1656 $map->load; 2154 $map->load if $v;
2155 }
1657 2156
1658 delete $MAP_PREFETCH{$path}; 2157 delete $MAP_PREFETCH{$k};
1659 } 2158 }
1660 } 2159 }
1661 undef $MAP_PREFETCHER; 2160 undef $MAP_PREFETCHER;
1662 }; 2161 };
1663 $MAP_PREFETCHER->prio (6); 2162 $MAP_PREFETCHER->prio (6);
… …
1666} 2165}
1667 2166
1668sub save { 2167sub save {
1669 my ($self) = @_; 2168 my ($self) = @_;
1670 2169
1671 my $lock = cf::lock_acquire "map_data:" . $self->path; 2170 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2171
1673 $self->{last_save} = $cf::RUNTIME; 2172 $self->{last_save} = $cf::RUNTIME;
1674 2173
1675 return unless $self->dirty; 2174 return unless $self->dirty;
1676 2175
… …
1682 return if $self->{deny_save}; 2181 return if $self->{deny_save};
1683 2182
1684 local $self->{last_access} = $self->last_access;#d# 2183 local $self->{last_access} = $self->last_access;#d#
1685 2184
1686 cf::async { 2185 cf::async {
2186 $Coro::current->{desc} = "map player save";
1687 $_->contr->save for $self->players; 2187 $_->contr->save for $self->players;
1688 }; 2188 };
2189
2190 cf::get_slot 0.02;
1689 2191
1690 if ($uniq) { 2192 if ($uniq) {
1691 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2193 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2194 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1693 } else { 2195 } else {
… …
1699 my ($self) = @_; 2201 my ($self) = @_;
1700 2202
1701 # save first because save cedes 2203 # save first because save cedes
1702 $self->save; 2204 $self->save;
1703 2205
1704 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1705 2207
1706 return if $self->players; 2208 return if $self->players;
1707 return if $self->in_memory != cf::MAP_IN_MEMORY; 2209 return if $self->in_memory != cf::MAP_ACTIVE;
1708 return if $self->{deny_save}; 2210 return if $self->{deny_save};
1709 2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 $self->deactivate;
2215 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2216 $self->clear;
1711 $self->in_memory (cf::MAP_SWAPPED);
1712} 2217}
1713 2218
1714sub reset_at { 2219sub reset_at {
1715 my ($self) = @_; 2220 my ($self) = @_;
1716 2221
… …
1734 2239
1735 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
1736 2241
1737 return if $self->players; 2242 return if $self->players;
1738 2243
1739 warn "resetting map ", $self->path; 2244 warn "resetting map ", $self->path, "\n";
1740 2245
1741 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
1742 2247
1743 # need to save uniques path 2248 # need to save uniques path
1744 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
… …
1748 if $uniq; 2253 if $uniq;
1749 } 2254 }
1750 2255
1751 delete $cf::MAP{$self->path}; 2256 delete $cf::MAP{$self->path};
1752 2257
2258 $self->deactivate;
2259 $_->clear_links_to ($self) for values %cf::MAP;
1753 $self->clear; 2260 $self->clear;
1754
1755 $_->clear_links_to ($self) for values %cf::MAP;
1756 2261
1757 $self->unlink_save; 2262 $self->unlink_save;
1758 $self->destroy; 2263 $self->destroy;
1759} 2264}
1760 2265
1761my $nuke_counter = "aaaa"; 2266my $nuke_counter = "aaaa";
1762 2267
1763sub nuke { 2268sub nuke {
1764 my ($self) = @_; 2269 my ($self) = @_;
1765 2270
2271 {
2272 my $lock = cf::lock_acquire "map_data:$self->{path}";
2273
1766 delete $cf::MAP{$self->path}; 2274 delete $cf::MAP{$self->path};
1767 2275
1768 $self->unlink_save; 2276 $self->unlink_save;
1769 2277
1770 bless $self, "cf::map"; 2278 bless $self, "cf::map";
1771 delete $self->{deny_reset}; 2279 delete $self->{deny_reset};
1772 $self->{deny_save} = 1; 2280 $self->{deny_save} = 1;
1773 $self->reset_timeout (1); 2281 $self->reset_timeout (1);
1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2282 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775 2283
1776 $cf::MAP{$self->path} = $self; 2284 $cf::MAP{$self->path} = $self;
2285 }
1777 2286
1778 $self->reset; # polite request, might not happen 2287 $self->reset; # polite request, might not happen
1779} 2288}
1780 2289
1781=item $maps = cf::map::tmp_maps 2290=item $maps = cf::map::tmp_maps
1782 2291
1783Returns an arrayref with all map paths of currently instantiated and saved 2292Returns an arrayref with all map paths of currently instantiated and saved
1784maps. 2293maps. May block.
1785 2294
1786=cut 2295=cut
1787 2296
1788sub tmp_maps() { 2297sub tmp_maps() {
1789 [ 2298 [
1790 map { 2299 map {
1791 utf8::decode $_; 2300 utf8::decode $_;
1792 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o 2301 /\.map$/
1793 ? normalise $_ 2302 ? normalise $_
1794 : () 2303 : ()
1795 } @{ aio_readdir $TMPDIR or [] } 2304 } @{ aio_readdir $TMPDIR or [] }
1796 ] 2305 ]
1797} 2306}
1798 2307
2308=item $maps = cf::map::random_maps
2309
2310Returns an arrayref with all map paths of currently instantiated and saved
2311random maps. May block.
2312
2313=cut
2314
2315sub random_maps() {
2316 [
2317 map {
2318 utf8::decode $_;
2319 /\.map$/
2320 ? normalise "?random/$_"
2321 : ()
2322 } @{ aio_readdir $RANDOMDIR or [] }
2323 ]
2324}
2325
1799=item cf::map::unique_maps 2326=item cf::map::unique_maps
1800 2327
1801Returns an arrayref of paths of all shared maps that have 2328Returns an arrayref of paths of all shared maps that have
1802instantiated unique items. May block. 2329instantiated unique items. May block.
1803 2330
… …
1805 2332
1806sub unique_maps() { 2333sub unique_maps() {
1807 [ 2334 [
1808 map { 2335 map {
1809 utf8::decode $_; 2336 utf8::decode $_;
1810 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o 2337 s/\.map$//; # TODO future compatibility hack
2338 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2339 ? ()
1811 ? normalise $_ 2340 : normalise $_
1812 : ()
1813 } @{ aio_readdir $UNIQUEDIR or [] } 2341 } @{ aio_readdir $UNIQUEDIR or [] }
1814 ] 2342 ]
1815} 2343}
1816 2344
1817package cf;
1818
1819=back 2345=back
1820 2346
1821=head3 cf::object 2347=head3 cf::object
1822 2348
1823=cut 2349=cut
… …
1826 2352
1827=over 4 2353=over 4
1828 2354
1829=item $ob->inv_recursive 2355=item $ob->inv_recursive
1830 2356
1831Returns the inventory of the object _and_ their inventories, recursively. 2357Returns the inventory of the object I<and> their inventories, recursively,
2358but I<not> the object itself.
1832 2359
1833=cut 2360=cut
1834 2361
1835sub inv_recursive_; 2362sub inv_recursive_;
1836sub inv_recursive_ { 2363sub inv_recursive_ {
… …
1839 2366
1840sub inv_recursive { 2367sub inv_recursive {
1841 inv_recursive_ inv $_[0] 2368 inv_recursive_ inv $_[0]
1842} 2369}
1843 2370
2371=item $ref = $ob->ref
2372
2373Creates and returns a persistent reference to an object that can be stored as a string.
2374
2375=item $ob = cf::object::deref ($refstring)
2376
2377returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378even if the object actually exists. May block.
2379
2380=cut
2381
2382sub deref {
2383 my ($ref) = @_;
2384
2385 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2386 my ($uuid, $name) = ($1, $2);
2387 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2388 or return;
2389 $pl->ob->uuid eq $uuid
2390 or return;
2391
2392 $pl->ob
2393 } else {
2394 warn "$ref: cannot resolve object reference\n";
2395 undef
2396 }
2397}
2398
1844package cf; 2399package cf;
1845 2400
1846=back 2401=back
1847 2402
1848=head3 cf::object::player 2403=head3 cf::object::player
… …
1854Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2409Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855can be C<undef>. Does the right thing when the player is currently in a 2410can be C<undef>. Does the right thing when the player is currently in a
1856dialogue with the given NPC character. 2411dialogue with the given NPC character.
1857 2412
1858=cut 2413=cut
2414
2415our $SAY_CHANNEL = {
2416 id => "say",
2417 title => "Map",
2418 reply => "say ",
2419 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2420};
2421
2422our $CHAT_CHANNEL = {
2423 id => "chat",
2424 title => "Chat",
2425 reply => "chat ",
2426 tooltip => "Player chat and shouts, global to the server.",
2427};
1859 2428
1860# rough implementation of a future "reply" method that works 2429# rough implementation of a future "reply" method that works
1861# with dialog boxes. 2430# with dialog boxes.
1862#TODO: the first argument must go, split into a $npc->reply_to ( method 2431#TODO: the first argument must go, split into a $npc->reply_to ( method
1863sub cf::object::player::reply($$$;$) { 2432sub cf::object::player::reply($$$;$) {
… …
1865 2434
1866 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2435 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867 2436
1868 if ($self->{record_replies}) { 2437 if ($self->{record_replies}) {
1869 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2438 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2439
1870 } else { 2440 } else {
2441 my $pl = $self->contr;
2442
2443 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2444 my $dialog = $pl->{npc_dialog};
2445 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2446
2447 } else {
1871 $msg = $npc->name . " says: $msg" if $npc; 2448 $msg = $npc->name . " says: $msg" if $npc;
1872 $self->message ($msg, $flags); 2449 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2450 }
1873 } 2451 }
2452}
2453
2454=item $object->send_msg ($channel, $msg, $color, [extra...])
2455
2456=cut
2457
2458sub cf::object::send_msg {
2459 my $pl = shift->contr
2460 or return;
2461 $pl->send_msg (@_);
1874} 2462}
1875 2463
1876=item $player_object->may ("access") 2464=item $player_object->may ("access")
1877 2465
1878Returns wether the given player is authorized to access resource "access" 2466Returns wether the given player is authorized to access resource "access"
… …
1891 2479
1892=item $player_object->enter_link 2480=item $player_object->enter_link
1893 2481
1894Freezes the player and moves him/her to a special map (C<{link}>). 2482Freezes the player and moves him/her to a special map (C<{link}>).
1895 2483
1896The player should be reasonably safe there for short amounts of time. You 2484The player should be reasonably safe there for short amounts of time (e.g.
1897I<MUST> call C<leave_link> as soon as possible, though. 2485for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2486though, as the palyer cannot control the character while it is on the link
2487map.
1898 2488
1899Will never block. 2489Will never block.
1900 2490
1901=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
1902 2492
… …
1957 # use -1 or undef as default coordinates, not 0, 0 2547 # use -1 or undef as default coordinates, not 0, 0
1958 ($x, $y) = ($map->enter_x, $map->enter_y) 2548 ($x, $y) = ($map->enter_x, $map->enter_y)
1959 if $x <=0 && $y <= 0; 2549 if $x <=0 && $y <= 0;
1960 2550
1961 $map->load; 2551 $map->load;
1962 $map->load_diag; 2552 $map->load_neighbours;
1963 2553
1964 return unless $self->contr->active; 2554 return unless $self->contr->active;
1965 $self->activate_recursive;
1966 2555
1967 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
1969}
1970 2558
2559 # only activate afterwards, to support waiting in hooks
2560 $self->activate_recursive;
2561}
2562
1971=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972 2564
1973Moves the player to the given map-path and coordinates by first freezing 2565Moves the player to the given map-path and coordinates by first freezing
1974her, loading and preparing them map, calling the provided $check callback 2566her, loading and preparing them map, calling the provided $check callback
1975that has to return the map if sucecssful, and then unfreezes the player on 2567that has to return the map if sucecssful, and then unfreezes the player on
1976the new (success) or old (failed) map position. 2568the new (success) or old (failed) map position. In either case, $done will
2569be called at the end of this process.
2570
2571Note that $check will be called with a potentially non-loaded map, so if
2572it needs a loaded map it has to call C<< ->load >>.
1977 2573
1978=cut 2574=cut
1979 2575
1980our $GOTOGEN; 2576our $GOTOGEN;
1981 2577
1982sub cf::object::player::goto { 2578sub cf::object::player::goto {
1983 my ($self, $path, $x, $y, $check) = @_; 2579 my ($self, $path, $x, $y, $check, $done) = @_;
1984 2580
1985 # do generation counting so two concurrent goto's will be executed in-order 2581 # do generation counting so two concurrent goto's will be executed in-order
1986 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2582 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987 2583
1988 $self->enter_link; 2584 $self->enter_link;
1989 2585
1990 (async { 2586 (async {
2587 $Coro::current->{desc} = "player::goto $path $x $y";
2588
2589 # *tag paths override both path and x|y
2590 if ($path =~ /^\*(.*)$/) {
2591 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2592 my $ob = $obs[rand @obs];
2593
2594 # see if we actually can go there
2595 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2596 $ob = $obs[rand @obs];
2597 } else {
2598 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2599 }
2600 # else put us there anyways for now #d#
2601
2602 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2603 } else {
2604 ($path, $x, $y) = (undef, undef, undef);
2605 }
2606 }
2607
1991 my $map = eval { 2608 my $map = eval {
1992 my $map = cf::map::find $path; 2609 my $map = defined $path ? cf::map::find $path : undef;
1993 2610
1994 if ($map) { 2611 if ($map) {
1995 $map = $map->customise_for ($self); 2612 $map = $map->customise_for ($self);
1996 $map = $check->($map) if $check && $map; 2613 $map = $check->($map) if $check && $map;
1997 } else { 2614 } else {
1998 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2615 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999 } 2616 }
2000 2617
2001 $map 2618 $map
2002 }; 2619 };
2003 2620
… …
2008 2625
2009 if ($gen == $self->{_goto_generation}) { 2626 if ($gen == $self->{_goto_generation}) {
2010 delete $self->{_goto_generation}; 2627 delete $self->{_goto_generation};
2011 $self->leave_link ($map, $x, $y); 2628 $self->leave_link ($map, $x, $y);
2012 } 2629 }
2630
2631 $done->() if $done;
2013 })->prio (1); 2632 })->prio (1);
2014} 2633}
2015 2634
2016=item $player_object->enter_exit ($exit_object) 2635=item $player_object->enter_exit ($exit_object)
2017 2636
… …
2037} 2656}
2038 2657
2039sub prepare_random_map { 2658sub prepare_random_map {
2040 my ($exit) = @_; 2659 my ($exit) = @_;
2041 2660
2042 my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044 # all this does is basically replace the /! path by 2661 # all this does is basically replace the /! path by
2045 # a new random map path (?random/...) with a seed 2662 # a new random map path (?random/...) with a seed
2046 # that depends on the exit object 2663 # that depends on the exit object
2047 2664
2048 my $rmp = parse_random_map_params $exit->msg; 2665 my $rmp = parse_random_map_params $exit->msg;
… …
2050 if ($exit->map) { 2667 if ($exit->map) {
2051 $rmp->{region} = $exit->region->name; 2668 $rmp->{region} = $exit->region->name;
2052 $rmp->{origin_map} = $exit->map->path; 2669 $rmp->{origin_map} = $exit->map->path;
2053 $rmp->{origin_x} = $exit->x; 2670 $rmp->{origin_x} = $exit->x;
2054 $rmp->{origin_y} = $exit->y; 2671 $rmp->{origin_y} = $exit->y;
2672
2673 $exit->map->touch;
2055 } 2674 }
2056 2675
2057 $rmp->{random_seed} ||= $exit->random_seed; 2676 $rmp->{random_seed} ||= $exit->random_seed;
2058 2677
2059 my $data = cf::to_json $rmp; 2678 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060 my $md5 = Digest::MD5::md5_hex $data; 2679 my $md5 = Digest::MD5::md5_hex $data;
2061 my $meta = "$RANDOMDIR/$md5.meta"; 2680 my $meta = "$RANDOMDIR/$md5.meta";
2062 2681
2063 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2682 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064 aio_write $fh, 0, (length $data), $data, 0; 2683 aio_write $fh, 0, (length $data), $data, 0;
2065 undef $fh; 2684 undef $fh;
2066 aio_rename "$meta~", $meta; 2685 aio_rename "$meta~", $meta;
2067 2686
2687 my $slaying = "?random/$md5";
2688
2689 if ($exit->valid) {
2068 $exit->slaying ("?random/$md5"); 2690 $exit->slaying ("?random/$md5");
2069 $exit->msg (undef); 2691 $exit->msg (undef);
2692 }
2070 } 2693 }
2071} 2694}
2072 2695
2073sub cf::object::player::enter_exit { 2696sub cf::object::player::enter_exit {
2074 my ($self, $exit) = @_; 2697 my ($self, $exit) = @_;
2075 2698
2076 return unless $self->type == cf::PLAYER; 2699 return unless $self->type == cf::PLAYER;
2077 2700
2078 if ($exit->slaying eq "/!") {
2079 #TODO: this should de-fi-ni-te-ly not be a sync-job
2080 # the problem is that $exit might not survive long enough
2081 # so it needs to be done right now, right here
2082 cf::sync_job { prepare_random_map $exit };
2083 }
2084
2085 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086 my $hp = $exit->stats->hp;
2087 my $sp = $exit->stats->sp;
2088
2089 $self->enter_link; 2701 $self->enter_link;
2090 2702
2091 (async { 2703 (async {
2092 $self->deactivate_recursive; # just to be sure 2704 $Coro::current->{desc} = "enter_exit";
2705
2093 unless (eval { 2706 unless (eval {
2707 $self->deactivate_recursive; # just to be sure
2708
2709 # random map handling
2710 {
2711 my $guard = cf::lock_acquire "exit_prepare:$exit";
2712
2713 prepare_random_map $exit
2714 if $exit->slaying eq "/!";
2715 }
2716
2717 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2718 my $x = $exit->stats->hp;
2719 my $y = $exit->stats->sp;
2720
2094 $self->goto ($slaying, $hp, $sp); 2721 $self->goto ($map, $x, $y);
2095 2722
2723 # if exit is damned, update players death & WoR home-position
2724 $self->contr->savebed ($map, $x, $y)
2725 if $exit->flag (cf::FLAG_DAMNED);
2726
2096 1; 2727 1
2097 }) { 2728 }) {
2098 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2099 . "I'll try to bring you back to the map you were before. " 2730 . "I'll try to bring you back to the map you were before. "
2100 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2101 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2102 2733
2103 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
… …
2122 2753
2123 utf8::encode $text; 2754 utf8::encode $text;
2124 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2755 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125} 2756}
2126 2757
2758=item $client->send_msg ($channel, $msg, $color, [extra...])
2759
2760Send a drawinfo or msg packet to the client, formatting the msg for the
2761client if neccessary. C<$type> should be a string identifying the type of
2762the message, with C<log> being the default. If C<$color> is negative, suppress
2763the message unless the client supports the msg packet.
2764
2765=cut
2766
2767# non-persistent channels (usually the info channel)
2768our %CHANNEL = (
2769 "c/identify" => {
2770 id => "infobox",
2771 title => "Identify",
2772 reply => undef,
2773 tooltip => "Items recently identified",
2774 },
2775 "c/examine" => {
2776 id => "infobox",
2777 title => "Examine",
2778 reply => undef,
2779 tooltip => "Signs and other items you examined",
2780 },
2781 "c/book" => {
2782 id => "infobox",
2783 title => "Book",
2784 reply => undef,
2785 tooltip => "The contents of a note or book",
2786 },
2787 "c/lookat" => {
2788 id => "infobox",
2789 title => "Look",
2790 reply => undef,
2791 tooltip => "What you saw there",
2792 },
2793 "c/who" => {
2794 id => "infobox",
2795 title => "Players",
2796 reply => undef,
2797 tooltip => "Shows players who are currently online",
2798 },
2799 "c/body" => {
2800 id => "infobox",
2801 title => "Body Parts",
2802 reply => undef,
2803 tooltip => "Shows which body parts you posess and are available",
2804 },
2805 "c/statistics" => {
2806 id => "infobox",
2807 title => "Statistics",
2808 reply => undef,
2809 tooltip => "Shows your primary statistics",
2810 },
2811 "c/skills" => {
2812 id => "infobox",
2813 title => "Skills",
2814 reply => undef,
2815 tooltip => "Shows your experience per skill and item power",
2816 },
2817 "c/shopitems" => {
2818 id => "infobox",
2819 title => "Shop Items",
2820 reply => undef,
2821 tooltip => "Shows the items currently for sale in this shop",
2822 },
2823 "c/resistances" => {
2824 id => "infobox",
2825 title => "Resistances",
2826 reply => undef,
2827 tooltip => "Shows your resistances",
2828 },
2829 "c/pets" => {
2830 id => "infobox",
2831 title => "Pets",
2832 reply => undef,
2833 tooltip => "Shows information abotu your pets/a specific pet",
2834 },
2835 "c/perceiveself" => {
2836 id => "infobox",
2837 title => "Perceive Self",
2838 reply => undef,
2839 tooltip => "You gained detailed knowledge about yourself",
2840 },
2841 "c/uptime" => {
2842 id => "infobox",
2843 title => "Uptime",
2844 reply => undef,
2845 tooltip => "How long the server has been running since last restart",
2846 },
2847 "c/mapinfo" => {
2848 id => "infobox",
2849 title => "Map Info",
2850 reply => undef,
2851 tooltip => "Information related to the maps",
2852 },
2853 "c/party" => {
2854 id => "party",
2855 title => "Party",
2856 reply => "gsay ",
2857 tooltip => "Messages and chat related to your party",
2858 },
2859 "c/death" => {
2860 id => "death",
2861 title => "Death",
2862 reply => undef,
2863 tooltip => "Reason for and more info about your most recent death",
2864 },
2865 "c/say" => $SAY_CHANNEL,
2866 "c/chat" => $CHAT_CHANNEL,
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel);
2882 $channel = $channel->{id};
2883
2884 } elsif (ref $channel) {
2885 # send meta info to client, if not yet sent
2886 unless (exists $self->{channel}{$channel->{id}}) {
2887 $self->{channel}{$channel->{id}} = $channel;
2888 $self->ext_msg (channel_info => $channel);
2889 }
2890
2891 $channel = $channel->{id};
2892 }
2893
2894 return unless @extra || length $msg;
2895
2896 # default colour, mask it out
2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2898 if $color & cf::NDI_DEF;
2899
2900 my $pkt = "msg "
2901 . $self->{json_coder}->encode (
2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903 );
2904
2905 # try lzf for large packets
2906 $pkt = "lzf " . Compress::LZF::compress $pkt
2907 if 1024 <= length $pkt and $self->{can_lzf};
2908
2909 # split very large packets
2910 if (8192 < length $pkt and $self->{can_lzf}) {
2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2912 $pkt = "frag";
2913 }
2914
2915 $self->send_packet ($pkt);
2916}
2917
2127=item $client->ext_event ($type, %msg) 2918=item $client->ext_msg ($type, @msg)
2128 2919
2129Sends an exti event to the client. 2920Sends an ext event to the client.
2130 2921
2131=cut 2922=cut
2132 2923
2133sub cf::client::ext_event($$%) { 2924sub cf::client::ext_msg($$@) {
2134 my ($self, $type, %msg) = @_; 2925 my ($self, $type, @msg) = @_;
2135 2926
2927 if ($self->extcmd == 2) {
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2929 } elsif ($self->extcmd == 1) { # TODO: remove
2136 $msg{msgtype} = "event_$type"; 2930 push @msg, msgtype => "event_$type";
2137 $self->send_packet ("ext " . cf::to_json \%msg); 2931 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932 }
2933}
2934
2935=item $client->ext_reply ($msgid, @msg)
2936
2937Sends an ext reply to the client.
2938
2939=cut
2940
2941sub cf::client::ext_reply($$@) {
2942 my ($self, $id, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2946 } elsif ($self->extcmd == 1) {
2947 #TODO: version 1, remove
2948 unshift @msg, msgtype => "reply", msgid => $id;
2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2138} 2951}
2139 2952
2140=item $success = $client->query ($flags, "text", \&cb) 2953=item $success = $client->query ($flags, "text", \&cb)
2141 2954
2142Queues a query to the client, calling the given callback with 2955Queues a query to the client, calling the given callback with
2143the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2957C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145 2958
2146Queries can fail, so check the return code. Or don't, as queries will become 2959Queries can fail, so check the return code. Or don't, as queries will
2147reliable at some point in the future. 2960become reliable at some point in the future.
2148 2961
2149=cut 2962=cut
2150 2963
2151sub cf::client::query { 2964sub cf::client::query {
2152 my ($self, $flags, $text, $cb) = @_; 2965 my ($self, $flags, $text, $cb) = @_;
… …
2160 utf8::encode $text; 2973 utf8::encode $text;
2161 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2974 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162 2975
2163 $self->send_packet ($self->{query_queue}[0][0]) 2976 $self->send_packet ($self->{query_queue}[0][0])
2164 if @{ $self->{query_queue} } == 1; 2977 if @{ $self->{query_queue} } == 1;
2978
2979 1
2165} 2980}
2166 2981
2167cf::client->attach ( 2982cf::client->attach (
2983 on_connect => sub {
2984 my ($ns) = @_;
2985
2986 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2987 },
2168 on_reply => sub { 2988 on_reply => sub {
2169 my ($ns, $msg) = @_; 2989 my ($ns, $msg) = @_;
2170 2990
2171 # this weird shuffling is so that direct followup queries 2991 # this weird shuffling is so that direct followup queries
2172 # get handled first 2992 # get handled first
… …
2184 } else { 3004 } else {
2185 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3005 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186 } 3006 }
2187 } 3007 }
2188 }, 3008 },
3009 on_exticmd => sub {
3010 my ($ns, $buf) = @_;
3011
3012 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3013
3014 if (ref $msg) {
3015 my ($type, $reply, @payload) =
3016 "ARRAY" eq ref $msg
3017 ? @$msg
3018 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3019
3020 my @reply;
3021
3022 if (my $cb = $EXTICMD{$type}) {
3023 @reply = $cb->($ns, @payload);
3024 }
3025
3026 $ns->ext_reply ($reply, @reply)
3027 if $reply;
3028
3029 } else {
3030 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3031 }
3032
3033 cf::override;
3034 },
2189); 3035);
2190 3036
2191=item $client->async (\&cb) 3037=item $client->async (\&cb)
2192 3038
2193Create a new coroutine, running the specified callback. The coroutine will 3039Create a new coroutine, running the specified callback. The coroutine will
… …
2234our $safe = new Safe "safe"; 3080our $safe = new Safe "safe";
2235our $safe_hole = new Safe::Hole; 3081our $safe_hole = new Safe::Hole;
2236 3082
2237$SIG{FPE} = 'IGNORE'; 3083$SIG{FPE} = 'IGNORE';
2238 3084
2239$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3085$safe->permit_only (Opcode::opset qw(
3086 :base_core :base_mem :base_orig :base_math
3087 grepstart grepwhile mapstart mapwhile
3088 sort time
3089));
2240 3090
2241# here we export the classes and methods available to script code 3091# here we export the classes and methods available to script code
2242 3092
2243=pod 3093=pod
2244 3094
2245The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
2246 3096
2247 cf::object contr pay_amount pay_player map 3097 cf::object
3098 contr pay_amount pay_player map x y force_find force_add destroy
3099 insert remove name archname title slaying race decrease split
3100 value
3101
2248 cf::object::player player 3102 cf::object::player
2249 cf::player peaceful 3103 player
2250 cf::map trigger 3104
3105 cf::player
3106 peaceful
3107
3108 cf::map
3109 trigger
2251 3110
2252=cut 3111=cut
2253 3112
2254for ( 3113for (
2255 ["cf::object" => qw(contr pay_amount pay_player map)], 3114 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3115 insert remove inv nrof name archname title slaying race
3116 decrease split destroy change_exp value msg lore send_msg)],
2256 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
2257 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
2258 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
2259) { 3120) {
2260 no strict 'refs'; 3121 no strict 'refs';
2261 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
2262 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2279 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
2280 3141
2281 my $qcode = $code; 3142 my $qcode = $code;
2282 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2283 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
2284 3147
2285 local $_; 3148 local $_;
2286 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
2287 3150
2288 my $eval = 3151 my $eval =
… …
2331=back 3194=back
2332 3195
2333=cut 3196=cut
2334 3197
2335############################################################################# 3198#############################################################################
2336
2337=head2 EXTENSION DATABASE SUPPORT
2338
2339Crossfire maintains a very simple database for extension use. It can
2340currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341convert to/from binary).
2342
2343The parameter C<$family> should best start with the name of the extension
2344using it, it should be unique.
2345
2346=over 4
2347
2348=item $value = cf::db_get $family => $key
2349
2350Returns a single value from the database.
2351
2352=item cf::db_put $family => $key => $value
2353
2354Stores the given C<$value> in the family.
2355
2356=cut
2357
2358our $DB;
2359
2360sub db_init {
2361 unless ($DB) {
2362 $DB = BDB::db_create $DB_ENV;
2363
2364 cf::sync_job {
2365 eval {
2366 $DB->set_flags (BDB::CHKSUM);
2367
2368 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370 cf::cleanup "db_open(db): $!" if $!;
2371 };
2372 cf::cleanup "db_open(db): $@" if $@;
2373 };
2374 }
2375}
2376
2377sub db_get($$) {
2378 my $key = "$_[0]/$_[1]";
2379
2380 cf::sync_job {
2381 BDB::db_get $DB, undef, $key, my $data;
2382
2383 $! ? ()
2384 : $data
2385 }
2386}
2387
2388sub db_put($$$) {
2389 BDB::dbreq_pri 4;
2390 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391}
2392
2393=item cf::cache $id => [$paths...], $processversion => $process
2394
2395Generic caching function that returns the value of the resource $id,
2396caching and regenerating as required.
2397
2398This function can block.
2399
2400=cut
2401
2402sub cache {
2403 my ($id, $src, $processversion, $process) = @_;
2404
2405 my $meta =
2406 join "\x00",
2407 $processversion,
2408 map {
2409 aio_stat $_
2410 and Carp::croak "$_: $!";
2411
2412 ($_, (stat _)[7,9])
2413 } @$src;
2414
2415 my $dbmeta = db_get cache => "$id/meta";
2416 if ($dbmeta ne $meta) {
2417 # changed, we may need to process
2418
2419 my @data;
2420 my $md5;
2421
2422 for (0 .. $#$src) {
2423 0 <= aio_load $src->[$_], $data[$_]
2424 or Carp::croak "$src->[$_]: $!";
2425 }
2426
2427 # if processing is expensive, check
2428 # checksum first
2429 if (1) {
2430 $md5 =
2431 join "\x00",
2432 $processversion,
2433 map {
2434 Coro::cede;
2435 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2436 } 0.. $#$src;
2437
2438
2439 my $dbmd5 = db_get cache => "$id/md5";
2440 if ($dbmd5 eq $md5) {
2441 db_put cache => "$id/meta", $meta;
2442
2443 return db_get cache => "$id/data";
2444 }
2445 }
2446
2447 my $t1 = Time::HiRes::time;
2448 my $data = $process->(\@data);
2449 my $t2 = Time::HiRes::time;
2450
2451 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453 db_put cache => "$id/data", $data;
2454 db_put cache => "$id/md5" , $md5;
2455 db_put cache => "$id/meta", $meta;
2456
2457 return $data;
2458 }
2459
2460 db_get cache => "$id/data"
2461}
2462
2463=item fork_call { }, $args
2464
2465Executes the given code block with the given arguments in a seperate
2466process, returning the results. Everything must be serialisable with
2467Coro::Storable. May, of course, block. Note that the executed sub may
2468never block itself or use any form of Event handling.
2469
2470=cut
2471
2472sub fork_call(&@) {
2473 my ($cb, @args) = @_;
2474
2475# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476# or die "socketpair: $!";
2477 pipe my $fh1, my $fh2
2478 or die "pipe: $!";
2479
2480 if (my $pid = fork) {
2481 close $fh2;
2482
2483 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484 $res = Coro::Storable::thaw $res;
2485
2486 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488 die $$res unless "ARRAY" eq ref $res;
2489
2490 return wantarray ? @$res : $res->[-1];
2491 } else {
2492 reset_signals;
2493 local $SIG{__WARN__};
2494 local $SIG{__DIE__};
2495 eval {
2496 close $fh1;
2497
2498 my @res = eval { $cb->(@args) };
2499 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500 };
2501
2502 warn $@ if $@;
2503 _exit 0;
2504 }
2505}
2506
2507#############################################################################
2508# the server's init and main functions 3199# the server's init and main functions
2509 3200
2510sub load_facedata($) { 3201sub load_facedata($) {
2511 my ($path) = @_; 3202 my ($path) = @_;
3203
3204 # HACK to clear player env face cache, we need some signal framework
3205 # for this (global event?)
3206 %ext::player_env::MUSIC_FACE_CACHE = ();
3207
3208 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512 3209
2513 warn "loading facedata from $path\n"; 3210 warn "loading facedata from $path\n";
2514 3211
2515 my $facedata; 3212 my $facedata;
2516 0 < aio_load $path, $facedata 3213 0 < aio_load $path, $facedata
… …
2519 $facedata = Coro::Storable::thaw $facedata; 3216 $facedata = Coro::Storable::thaw $facedata;
2520 3217
2521 $facedata->{version} == 2 3218 $facedata->{version} == 2
2522 or cf::cleanup "$path: version mismatch, cannot proceed."; 3219 or cf::cleanup "$path: version mismatch, cannot proceed.";
2523 3220
3221 # patch in the exptable
3222 $facedata->{resource}{"res/exp_table"} = {
3223 type => FT_RSRC,
3224 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3225 };
3226 cf::cede_to_tick;
3227
2524 { 3228 {
2525 my $faces = $facedata->{faceinfo}; 3229 my $faces = $facedata->{faceinfo};
2526 3230
2527 while (my ($face, $info) = each %$faces) { 3231 while (my ($face, $info) = each %$faces) {
2528 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3232 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3233
2529 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3234 cf::face::set_visibility $idx, $info->{visibility};
3235 cf::face::set_magicmap $idx, $info->{magicmap};
2530 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3236 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3237 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532 Coro::cede; 3238
3239 cf::cede_to_tick;
2533 } 3240 }
2534 3241
2535 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2536 next unless $info->{smooth}; 3243 next unless $info->{smooth};
3244
2537 my $idx = cf::face::find $face 3245 my $idx = cf::face::find $face
2538 or next; 3246 or next;
3247
2539 if (my $smooth = cf::face::find $info->{smooth}) { 3248 if (my $smooth = cf::face::find $info->{smooth}) {
3249 cf::face::set_smooth $idx, $smooth;
2540 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3250 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541 } else { 3251 } else {
2542 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3252 warn "smooth face '$info->{smooth}' not found for face '$face'";
2543 } 3253 }
2544 Coro::cede; 3254
3255 cf::cede_to_tick;
2545 } 3256 }
2546 } 3257 }
2547 3258
2548 { 3259 {
2549 my $anims = $facedata->{animinfo}; 3260 my $anims = $facedata->{animinfo};
2550 3261
2551 while (my ($anim, $info) = each %$anims) { 3262 while (my ($anim, $info) = each %$anims) {
2552 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3263 cf::anim::set $anim, $info->{frames}, $info->{facings};
2553 Coro::cede; 3264 cf::cede_to_tick;
2554 } 3265 }
2555 3266
2556 cf::anim::invalidate_all; # d'oh 3267 cf::anim::invalidate_all; # d'oh
2557 } 3268 }
2558 3269
3270 {
3271 # TODO: for gcfclient pleasure, we should give resources
3272 # that gcfclient doesn't grok a >10000 face index.
3273 my $res = $facedata->{resource};
3274
3275 while (my ($name, $info) = each %$res) {
3276 if (defined $info->{type}) {
3277 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3278 my $data;
3279
3280 if ($info->{type} & 1) {
3281 # prepend meta info
3282
3283 my $meta = $enc->encode ({
3284 name => $name,
3285 %{ $info->{meta} || {} },
3286 });
3287
3288 $data = pack "(w/a*)*", $meta, $info->{data};
3289 } else {
3290 $data = $info->{data};
3291 }
3292
3293 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3294 cf::face::set_type $idx, $info->{type};
3295 } else {
3296 $RESOURCE{$name} = $info;
3297 }
3298
3299 cf::cede_to_tick;
3300 }
3301 }
3302
3303 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3304
2559 1 3305 1
2560} 3306}
2561 3307
3308cf::global->attach (on_resource_update => sub {
3309 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3310 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3311
3312 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3313 my $sound = $soundconf->{compat}[$_]
3314 or next;
3315
3316 my $face = cf::face::find "sound/$sound->[1]";
3317 cf::sound::set $sound->[0] => $face;
3318 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3319 }
3320
3321 while (my ($k, $v) = each %{$soundconf->{event}}) {
3322 my $face = cf::face::find "sound/$v";
3323 cf::sound::set $k => $face;
3324 }
3325 }
3326});
3327
3328register_exticmd fx_want => sub {
3329 my ($ns, $want) = @_;
3330
3331 while (my ($k, $v) = each %$want) {
3332 $ns->fx_want ($k, $v);
3333 }
3334};
3335
3336sub load_resource_file($) {
3337 my $guard = lock_acquire "load_resource_file";
3338
3339 my $status = load_resource_file_ $_[0];
3340 get_slot 0.1, 100;
3341 cf::arch::commit_load;
3342
3343 $status
3344}
3345
2562sub reload_regions { 3346sub reload_regions {
3347 # HACK to clear player env face cache, we need some signal framework
3348 # for this (global event?)
3349 %ext::player_env::MUSIC_FACE_CACHE = ();
3350
2563 load_resource_file "$MAPDIR/regions" 3351 load_resource_file "$MAPDIR/regions"
2564 or die "unable to load regions file\n"; 3352 or die "unable to load regions file\n";
3353
3354 for (cf::region::list) {
3355 $_->{match} = qr/$_->{match}/
3356 if exists $_->{match};
3357 }
2565} 3358}
2566 3359
2567sub reload_facedata { 3360sub reload_facedata {
2568 load_facedata "$DATADIR/facedata" 3361 load_facedata "$DATADIR/facedata"
2569 or die "unable to load facedata\n"; 3362 or die "unable to load facedata\n";
… …
2580} 3373}
2581 3374
2582sub reload_resources { 3375sub reload_resources {
2583 warn "reloading resource files...\n"; 3376 warn "reloading resource files...\n";
2584 3377
3378 reload_facedata;
3379 reload_archetypes;
2585 reload_regions; 3380 reload_regions;
2586 reload_facedata;
2587 #reload_archetypes;#d#
2588 reload_archetypes;
2589 reload_treasures; 3381 reload_treasures;
2590 3382
2591 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
2592} 3384}
2593 3385
2594sub init { 3386sub reload_config {
2595 reload_resources;
2596}
2597
2598sub cfg_load {
2599 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
2600 or return; 3388 or return;
2601 3389
2602 local $/; 3390 local $/;
2603 *CFG = YAML::Syck::Load <$fh>; 3391 *CFG = YAML::Load <$fh>;
2604 3392
2605 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3393 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606 3394
2607 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3395 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3396 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2614 }; 3402 };
2615 warn $@ if $@; 3403 warn $@ if $@;
2616 } 3404 }
2617} 3405}
2618 3406
3407sub pidfile() {
3408 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3409 or die "$PIDFILE: $!";
3410 flock $fh, &Fcntl::LOCK_EX
3411 or die "$PIDFILE: flock: $!";
3412 $fh
3413}
3414
3415# make sure only one server instance is running at any one time
3416sub atomic {
3417 my $fh = pidfile;
3418
3419 my $pid = <$fh>;
3420 kill 9, $pid if $pid > 0;
3421
3422 seek $fh, 0, 0;
3423 print $fh $$;
3424}
3425
3426sub main_loop {
3427 warn "EV::loop starting\n";
3428 if (1) {
3429 EV::loop;
3430 }
3431 warn "EV::loop returned\n";
3432 goto &main_loop unless $REALLY_UNLOOP;
3433}
3434
2619sub main { 3435sub main {
3436 cf::init_globals; # initialise logging
3437
3438 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3439 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3440 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3441 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3442
3443 cf::init_experience;
3444 cf::init_anim;
3445 cf::init_attackmess;
3446 cf::init_dynamic;
3447
3448 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3449
2620 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
2621 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
2622 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623 (async { 3453 (async {
2624 Event::one_event; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT;
2625 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
2626 }; 3457 };
2627 3458
2628 cfg_load; 3459 evthread_start IO::AIO::poll_fileno;
3460
3461 cf::sync_job {
3462 reload_resources;
3463 reload_config;
2629 db_init; 3464 db_init;
3465
3466 cf::load_settings;
3467 cf::load_materials;
3468 cf::init_uuid;
3469 cf::init_signals;
3470 cf::init_commands;
3471 cf::init_skills;
3472
3473 cf::init_beforeplay;
3474
3475 atomic;
3476
2630 load_extensions; 3477 load_extensions;
2631 3478
2632 $TICK_WATCHER->start; 3479 utime time, time, $RUNTIMEFILE;
2633 Event::loop; 3480
3481 # no (long-running) fork's whatsoever before this point(!)
3482 use POSIX ();
3483 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3484
3485 (pop @POST_INIT)->(0) while @POST_INIT;
3486 };
3487
3488 main_loop;
2634} 3489}
2635 3490
2636############################################################################# 3491#############################################################################
2637# initialisation and cleanup 3492# initialisation and cleanup
2638 3493
2639# install some emergency cleanup handlers 3494# install some emergency cleanup handlers
2640BEGIN { 3495BEGIN {
3496 our %SIGWATCHER = ();
2641 for my $signal (qw(INT HUP TERM)) { 3497 for my $signal (qw(INT HUP TERM)) {
2642 Event->signal ( 3498 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2643 reentrant => 0,
2644 data => WF_AUTOCANCEL,
2645 signal => $signal,
2646 prio => 0,
2647 cb => sub {
2648 cf::cleanup "SIG$signal"; 3499 cf::cleanup "SIG$signal";
2649 },
2650 ); 3500 };
3501 }
3502}
3503
3504sub write_runtime_sync {
3505 # first touch the runtime file to show we are still running:
3506 # the fsync below can take a very very long time.
3507
3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3509
3510 my $guard = cf::lock_acquire "write_runtime";
3511
3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3513 or return;
3514
3515 my $value = $cf::RUNTIME + 90 + 10;
3516 # 10 is the runtime save interval, for a monotonic clock
3517 # 60 allows for the watchdog to kill the server.
3518
3519 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3520 and return;
3521
3522 # always fsync - this file is important
3523 aio_fsync $fh
3524 and return;
3525
3526 # touch it again to show we are up-to-date
3527 aio_utime $fh, undef, undef;
3528
3529 close $fh
3530 or return;
3531
3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3533 and return;
3534
3535 warn "runtime file written.\n";
3536
2651 } 3537 1
3538}
3539
3540our $uuid_lock;
3541our $uuid_skip;
3542
3543sub write_uuid_sync($) {
3544 $uuid_skip ||= $_[0];
3545
3546 return if $uuid_lock;
3547 local $uuid_lock = 1;
3548
3549 my $uuid = "$LOCALDIR/uuid";
3550
3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3552 or return;
3553
3554 my $value = uuid_seq uuid_cur;
3555
3556 unless ($value) {
3557 warn "cowardly refusing to write zero uuid value!\n";
3558 return;
3559 }
3560
3561 my $value = uuid_str $value + $uuid_skip;
3562 $uuid_skip = 0;
3563
3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3565 and return;
3566
3567 # always fsync - this file is important
3568 aio_fsync $fh
3569 and return;
3570
3571 close $fh
3572 or return;
3573
3574 aio_rename "$uuid~", $uuid
3575 and return;
3576
3577 warn "uuid file written ($value).\n";
3578
3579 1
3580
3581}
3582
3583sub write_uuid($$) {
3584 my ($skip, $sync) = @_;
3585
3586 $sync ? write_uuid_sync $skip
3587 : async { write_uuid_sync $skip };
2652} 3588}
2653 3589
2654sub emergency_save() { 3590sub emergency_save() {
2655 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
2656 3592
2657 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
2658 3594
2659 cf::sync_job { 3595 cf::sync_job {
3596 # this is a trade-off: we want to be very quick here, so
3597 # save all maps without fsync, and later call a global sync
3598 # (which in turn might be very very slow)
3599 local $USE_FSYNC = 0;
3600
2660 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
2661 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
2662 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
2663 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
2664 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
2665 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
2666 $pl->valid or next; 3607 $pl->valid or next;
3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667 $pl->save; 3609 $pl->save;
2668 } 3610 }
2669 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
2670 3612
2671 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
2672 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
2673 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
2674 $map->valid or next; 3616 $map->valid or next;
2675 $map->save; 3617 $map->save;
2676 } 3618 }
2677 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
2678 3620
2679 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
2680 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
2681 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3624
3625 warn "emergency_perl_save: begin write uuid\n";
3626 write_uuid_sync 1;
3627 warn "emergency_perl_save: end write uuid\n";
2682 }; 3628 };
2683 3629
3630 warn "emergency_perl_save: starting sync()\n";
3631 IO::AIO::aio_sync sub {
3632 warn "emergency_perl_save: finished sync()\n";
3633 };
3634
2684 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
2685} 3636}
2686 3637
2687sub post_cleanup { 3638sub post_cleanup {
2688 my ($make_core) = @_; 3639 my ($make_core) = @_;
2689 3640
2690 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
2691 if $make_core; 3642 if $make_core;
3643
3644 my $fh = pidfile;
3645 unlink $PIDFILE if <$fh> == $$;
3646}
3647
3648# a safer delete_package, copied from Symbol
3649sub clear_package($) {
3650 my $pkg = shift;
3651
3652 # expand to full symbol table name if needed
3653 unless ($pkg =~ /^main::.*::$/) {
3654 $pkg = "main$pkg" if $pkg =~ /^::/;
3655 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3656 $pkg .= '::' unless $pkg =~ /::$/;
3657 }
3658
3659 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3660 my $stem_symtab = *{$stem}{HASH};
3661
3662 defined $stem_symtab and exists $stem_symtab->{$leaf}
3663 or return;
3664
3665 # clear all symbols
3666 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3667 for my $name (keys %$leaf_symtab) {
3668 _gv_clear *{"$pkg$name"};
3669# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3670 }
3671 warn "cleared package $pkg\n";#d#
2692} 3672}
2693 3673
2694sub do_reload_perl() { 3674sub do_reload_perl() {
2695 # can/must only be called in main 3675 # can/must only be called in main
2696 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
2697 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
2698 return; 3678 return;
2699 } 3679 }
2700 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
2701 warn "reloading..."; 3686 warn "reloading...";
2702 3687
2703 warn "entering sync_job"; 3688 warn "entering sync_job";
2704 3689
2705 cf::sync_job { 3690 cf::sync_job {
2706 cf::write_runtime; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
2707 cf::emergency_save; 3692 cf::emergency_save;
2708 cf::write_runtime; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
2709 3694
2710 warn "syncing database to disk"; 3695 warn "syncing database to disk";
2711 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
2712 3697
2713 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
2714 3699
2715 warn "cancelling all WF_AUTOCANCEL watchers";
2716 for (Event::all_watchers) {
2717 $_->cancel if $_->data & WF_AUTOCANCEL;
2718 }
2719
2720 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
2721 for (;;) {
2722 BDB::flush;
2723 IO::AIO::flush;
2724 Coro::cede;
2725 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
2726 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2727 }
2728
2729 ++$RELOAD;
2730
2731 warn "cancelling all extension coros";
2732 $_->cancel for values %EXT_CORO;
2733 %EXT_CORO = ();
2734
2735 warn "removing commands";
2736 %COMMAND = ();
2737
2738 warn "removing ext commands";
2739 %EXTCMD = ();
2740
2741 warn "unloading/nuking all extensions";
2742 for my $pkg (@EXTS) {
2743 warn "... unloading $pkg";
2744
2745 if (my $cb = $pkg->can ("unload")) {
2746 eval {
2747 $cb->($pkg);
2748 1
2749 } or warn "$pkg unloaded, but with errors: $@";
2750 } 3703 }
2751 3704
2752 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
2753 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
2754 } 3707 %EXT_CORO = ();
2755 3708
2756 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
2757 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
2758 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
2760 warn "... unloading $k"; 3718 warn "... unloading $pkg";
2761 delete $INC{$k};
2762 3719
2763 $k =~ s/\.pm$//;
2764 $k =~ s/\//::/g;
2765
2766 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
2767 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
2768 } 3729 }
2769 3730
2770 Symbol::delete_package $k; 3731 warn "unloading all perl modules loaded from $LIBDIR";
3732 while (my ($k, $v) = each %INC) {
3733 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3734
3735 warn "... unloading $k";
3736 delete $INC{$k};
3737
3738 $k =~ s/\.pm$//;
3739 $k =~ s/\//::/g;
3740
3741 if (my $cb = $k->can ("unload_module")) {
3742 $cb->();
3743 }
3744
3745 clear_package $k;
2771 } 3746 }
2772 3747
2773 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
2774 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
2775 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3750 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776 3751
2777 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
2778 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
2779 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780 3755
2781 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
2782 # and global variables created in xs 3757 # and global variables created in xs
2783 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
2784 3759
2785 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
2786 3761
2787 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
2788 require cf; 3763 require cf;
2789 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790 3765
2791 warn "loading config and database again"; 3766 warn "loading config and database again";
2792 cf::cfg_load; 3767 cf::reload_config;
2793 3768
2794 warn "loading extensions"; 3769 warn "loading extensions";
2795 cf::load_extensions; 3770 cf::load_extensions;
2796 3771
3772 if ($REATTACH_ON_RELOAD) {
2797 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
2798 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
2799 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
2800 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
2801 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
2802 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
2803 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
2804 warn "leaving sync_job"; 3784 warn "leaving sync_job";
2805 3785
2806 1 3786 1
2807 } or do { 3787 } or do {
2808 warn $@; 3788 warn $@;
2809 warn "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
2810 exit 1;
2811 }; 3790 };
2812 3791
2813 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
2814}; 3798};
2815 3799
2816our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
2817 3801
2818sub reload_perl() { 3802sub reload_perl() {
2819 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
2820 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
2821 3805
2822 $RELOAD_WATCHER ||= Event->timer ( 3806 $RELOAD_WATCHER ||= cf::async {
2823 reentrant => 0, 3807 Coro::AIO::aio_wait cache_extensions;
2824 after => 0, 3808
2825 data => WF_AUTOCANCEL, 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2826 cb => sub {
2827 do_reload_perl; 3810 do_reload_perl;
2828 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
2829 }, 3812 };
2830 ); 3813 };
2831} 3814}
2832 3815
2833register_command "reload" => sub { 3816register_command "reload" => sub {
2834 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
2835 3818
2836 if ($who->flag (FLAG_WIZ)) { 3819 if ($who->flag (FLAG_WIZ)) {
2837 $who->message ("reloading server."); 3820 $who->message ("reloading server.");
3821 async {
3822 $Coro::current->{desc} = "perl_reload";
2838 async { reload_perl }; 3823 reload_perl;
3824 };
2839 } 3825 }
2840}; 3826};
2841 3827
2842unshift @INC, $LIBDIR; 3828unshift @INC, $LIBDIR;
2843 3829
… …
2845 3831
2846our @WAIT_FOR_TICK; 3832our @WAIT_FOR_TICK;
2847our @WAIT_FOR_TICK_BEGIN; 3833our @WAIT_FOR_TICK_BEGIN;
2848 3834
2849sub wait_for_tick { 3835sub wait_for_tick {
2850 return unless $TICK_WATCHER->is_active;
2851 return if $Coro::current == $Coro::main; 3836 return if tick_inhibit || $Coro::current == $Coro::main;
2852 3837
2853 my $signal = new Coro::Signal; 3838 my $signal = new Coro::Signal;
2854 push @WAIT_FOR_TICK, $signal; 3839 push @WAIT_FOR_TICK, $signal;
2855 $signal->wait; 3840 $signal->wait;
2856} 3841}
2857 3842
2858sub wait_for_tick_begin { 3843sub wait_for_tick_begin {
2859 return unless $TICK_WATCHER->is_active;
2860 return if $Coro::current == $Coro::main; 3844 return if tick_inhibit || $Coro::current == $Coro::main;
2861 3845
2862 my $signal = new Coro::Signal; 3846 my $signal = new Coro::Signal;
2863 push @WAIT_FOR_TICK_BEGIN, $signal; 3847 push @WAIT_FOR_TICK_BEGIN, $signal;
2864 $signal->wait; 3848 $signal->wait;
2865} 3849}
2866 3850
2867 my $min = 1e6;#d# 3851sub tick {
2868 my $avg = 10;
2869$TICK_WATCHER = Event->timer (
2870 reentrant => 0,
2871 parked => 1,
2872 prio => 0,
2873 at => $NEXT_TICK || $TICK,
2874 data => WF_AUTOCANCEL,
2875 cb => sub {
2876 if ($Coro::current != $Coro::main) { 3852 if ($Coro::current != $Coro::main) {
2877 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878 unless ++$bug_warning > 10; 3854 unless ++$bug_warning > 10;
2879 return; 3855 return;
2880 } 3856 }
2881 3857
2882 $NOW = $tick_start = Event::time;
2883
2884 cf::server_tick; # one server iteration 3858 cf::server_tick; # one server iteration
2885 3859
2886 0 && sync_job {#d# 3860 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887 for(1..10) { 3861 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888 my $t = Event::time; 3862 Coro::async_pool {
2889 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3863 $Coro::current->{desc} = "runtime saver";
2890 or die; 3864 write_runtime_sync
2891 3865 or warn "ERROR: unable to write runtime file: $!";
2892 $map->width (50);
2893 $map->height (50);
2894 $map->alloc;
2895 $map->_load_objects ("/tmp/x.map", 1);
2896 my $t = Event::time - $t;
2897
2898 #next unless $t < 0.0013;#d#
2899 if ($t < $min) {
2900 $min = $t;
2901 }
2902 $avg = $avg * 0.99 + $t * 0.01;
2903 }
2904 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905 exit 0;
2906 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907 }; 3866 };
3867 }
2908 3868
2909 $RUNTIME += $TICK;
2910 $NEXT_TICK += $TICK;
2911
2912 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913 $NEXT_RUNTIME_WRITE = $NOW + 10;
2914 Coro::async_pool {
2915 write_runtime
2916 or warn "ERROR: unable to write runtime file: $!";
2917 };
2918 }
2919
2920# my $AFTER = Event::time;
2921# warn $AFTER - $NOW;#d#
2922
2923 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3869 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924 $sig->send; 3870 $sig->send;
2925 } 3871 }
2926 while (my $sig = shift @WAIT_FOR_TICK) { 3872 while (my $sig = shift @WAIT_FOR_TICK) {
2927 $sig->send; 3873 $sig->send;
2928 } 3874 }
2929 3875
2930 $NOW = Event::time; 3876 $LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932 # if we are delayed by four ticks or more, skip them all
2933 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935 $TICK_WATCHER->at ($NEXT_TICK);
2936 $TICK_WATCHER->start;
2937
2938 $LOAD = ($NOW - $tick_start) / $TICK;
2939 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3877 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940 3878
2941 _post_tick; 3879 if (0) {
2942 3880 if ($NEXT_TICK) {
2943 3881 my $jitter = $TICK_START - $NEXT_TICK;
3882 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3883 warn "jitter $JITTER\n";#d#
3884 }
2944 }, 3885 }
2945); 3886}
2946 3887
2947{ 3888{
2948 BDB::max_poll_time $TICK * 0.1; 3889 # configure BDB
2949 $BDB_POLL_WATCHER = Event->io ( 3890
2950 reentrant => 0,
2951 fd => BDB::poll_fileno,
2952 poll => 'r',
2953 prio => 0,
2954 data => WF_AUTOCANCEL,
2955 cb => \&BDB::poll_cb,
2956 );
2957 BDB::min_parallel 8; 3891 BDB::min_parallel 8;
2958 3892 BDB::max_poll_reqs $TICK * 0.1;
2959 BDB::set_sync_prepare { 3893 $AnyEvent::BDB::WATCHER->priority (1);
2960 my $status;
2961 my $current = $Coro::current;
2962 (
2963 sub {
2964 $status = $!;
2965 $current->ready; undef $current;
2966 },
2967 sub {
2968 Coro::schedule while defined $current;
2969 $! = $status;
2970 },
2971 )
2972 };
2973 3894
2974 unless ($DB_ENV) { 3895 unless ($DB_ENV) {
2975 $DB_ENV = BDB::db_env_create; 3896 $DB_ENV = BDB::db_env_create;
3897 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3898 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3899 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3900 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3901 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976 3902
2977 cf::sync_job { 3903 cf::sync_job {
2978 eval { 3904 eval {
2979 BDB::db_env_open 3905 BDB::db_env_open
2980 $DB_ENV, 3906 $DB_ENV,
… …
2982 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3908 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3909 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984 0666; 3910 0666;
2985 3911
2986 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3912 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989 $DB_ENV->set_lk_detect;
2990 }; 3913 };
2991 3914
2992 cf::cleanup "db_env_open(db): $@" if $@; 3915 cf::cleanup "db_env_open(db): $@" if $@;
2993 }; 3916 };
2994 } 3917 }
3918
3919 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3920 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3921 };
3922 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3923 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3924 };
3925 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3926 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3927 };
2995} 3928}
2996 3929
2997{ 3930{
3931 # configure IO::AIO
3932
2998 IO::AIO::min_parallel 8; 3933 IO::AIO::min_parallel 8;
2999
3000 undef $Coro::AIO::WATCHER;
3001 IO::AIO::max_poll_time $TICK * 0.1; 3934 IO::AIO::max_poll_time $TICK * 0.1;
3002 $AIO_POLL_WATCHER = Event->io ( 3935 undef $AnyEvent::AIO::WATCHER;
3003 reentrant => 0,
3004 data => WF_AUTOCANCEL,
3005 fd => IO::AIO::poll_fileno,
3006 poll => 'r',
3007 prio => 6,
3008 cb => \&IO::AIO::poll_cb,
3009 );
3010} 3936}
3011 3937
3012my $_log_backtrace; 3938my $_log_backtrace;
3013 3939
3014sub _log_backtrace { 3940sub _log_backtrace {
… …
3017 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
3018 3944
3019 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
3020 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
3021 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
3022 async { 3949 async {
3950 $Coro::current->{desc} = "abt $msg";
3951
3023 my @bt = fork_call { 3952 my @bt = fork_call {
3024 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
3025 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3954 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3955 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027 or die "addr2line: $!"; 3956 or die "addr2line: $!";
… …
3035 } 3964 }
3036 3965
3037 @funcs 3966 @funcs
3038 }; 3967 };
3039 3968
3040 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3042 --$_log_backtrace; 3972 --$_log_backtrace;
3043 }; 3973 };
3044 } else { 3974 } else {
3045 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3046 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3047 } 3977 }
3048} 3978}
3049 3979
3050# load additional modules 3980# load additional modules
3051use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3052 3982
3053END { cf::emergency_save } 3983END { cf::emergency_save }
3054 3984
30551 39851
3056 3986

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