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Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 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 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}} = $reflect;
172}
115 173
116############################################################################# 174#############################################################################
117 175
118=head2 GLOBAL VARIABLES 176=head2 GLOBAL VARIABLES
119 177
… …
155 213
156The raw value load value from the last tick. 214The raw value load value from the last tick.
157 215
158=item %cf::CFG 216=item %cf::CFG
159 217
160Configuration for the server, loaded from C</etc/crossfire/config>, or 218Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 219from wherever your confdir points to.
162 220
163=item cf::wait_for_tick, cf::wait_for_tick_begin 221=item cf::wait_for_tick, cf::wait_for_tick_begin
164 222
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 223These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 224returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 225per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 226
227=item @cf::INVOKE_RESULTS
228
229This array contains the results of the last C<invoke ()> call. When
230C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
231that call.
232
233=item %cf::REFLECT
234
235Contains, for each (C++) class name, a hash reference with information
236about object members (methods, scalars and arrays) and other metadata,
237which is useful for introspection.
238
169=back 239=back
170 240
171=cut 241=cut
172 242
173BEGIN { 243$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 244 my $msg = join "", @_;
176 245
177 $msg .= "\n" 246 $msg .= "\n"
178 unless $msg =~ /\n$/; 247 unless $msg =~ /\n$/;
179 248
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 249 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 250
182 utf8::encode $msg;
183 LOG llevError, $msg; 251 LOG llevError, $msg;
184 }; 252};
185} 253
254$Coro::State::DIEHOOK = sub {
255 return unless $^S eq 0; # "eq", not "=="
256
257 warn Carp::longmess $_[0];
258
259 if ($Coro::current == $Coro::main) {#d#
260 warn "DIEHOOK called in main context, Coro bug?\n";#d#
261 return;#d#
262 }#d#
263
264 # kill coroutine otherwise
265 Coro::terminate
266};
186 267
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 268@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 269@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 270@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 271@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 278for my $pkg (qw(
198 cf::global cf::attachable 279 cf::global cf::attachable
199 cf::object cf::object::player 280 cf::object cf::object::player
200 cf::client cf::player 281 cf::client cf::player
201 cf::arch cf::living 282 cf::arch cf::living
283 cf::map cf::mapspace
202 cf::map cf::party cf::region 284 cf::party cf::region
203)) { 285)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 286 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 287}
207 288
208$Event::DIED = sub { 289$EV::DIED = sub {
209 warn "error in event callback: @_"; 290 warn "error in event callback: @_";
210}; 291};
292
293#############################################################################
211 294
212=head2 UTILITY FUNCTIONS 295=head2 UTILITY FUNCTIONS
213 296
214=over 4 297=over 4
215 298
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 317 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 318 $d
236 } || "[unable to dump $_[0]: '$@']"; 319 } || "[unable to dump $_[0]: '$@']";
237} 320}
238 321
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 322=item $ref = cf::decode_json $json
242 323
243Converts a JSON string into the corresponding perl data structure. 324Converts a JSON string into the corresponding perl data structure.
244 325
245=item $json = cf::to_json $ref 326=item $json = cf::encode_json $ref
246 327
247Converts a perl data structure into its JSON representation. 328Converts a perl data structure into its JSON representation.
248 329
330=cut
331
332our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
333
334sub encode_json($) { $json_coder->encode ($_[0]) }
335sub decode_json($) { $json_coder->decode ($_[0]) }
336
337=item cf::post_init { BLOCK }
338
339Execute the given codeblock, I<after> all extensions have been (re-)loaded,
340but I<before> the server starts ticking again.
341
342The cdoeblock will have a single boolean argument to indicate whether this
343is a reload or not.
344
345=cut
346
347sub post_init(&) {
348 push @POST_INIT, shift;
349}
350
249=item cf::lock_wait $string 351=item cf::lock_wait $string
250 352
251Wait until the given lock is available. See cf::lock_acquire. 353Wait until the given lock is available. See cf::lock_acquire.
252 354
253=item my $lock = cf::lock_acquire $string 355=item my $lock = cf::lock_acquire $string
254 356
255Wait until the given lock is available and then acquires it and returns 357Wait 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, 358a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 359for example when the coroutine gets canceled), the lock is automatically
258returned. 360returned.
259 361
362Locks are *not* recursive, locking from the same coro twice results in a
363deadlocked coro.
364
260Lock names should begin with a unique identifier (for example, cf::map::find 365Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 366uses map_find and cf::map::load uses map_load).
262 367
263=item $locked = cf::lock_active $string 368=item $locked = cf::lock_active $string
264 369
265Return true if the lock is currently active, i.e. somebody has locked it. 370Return true if the lock is currently active, i.e. somebody has locked it.
266 371
267=cut 372=cut
268 373
269our %LOCK; 374our $LOCKS = new Coro::SemaphoreSet;
270 375
271sub lock_wait($) { 376sub lock_wait($) {
272 my ($key) = @_; 377 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 378}
280 379
281sub lock_acquire($) { 380sub lock_acquire($) {
282 my ($key) = @_; 381 $LOCKS->guard ($_[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} 382}
294 383
295sub lock_active($) { 384sub lock_active($) {
296 my ($key) = @_; 385 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 386}
300 387
301sub freeze_mainloop { 388sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 389 tick_inhibit_inc;
303 390
304 my $guard = Coro::guard { 391 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 392}
393
394=item cf::periodic $interval, $cb
395
396Like EV::periodic, but randomly selects a starting point so that the actions
397get spread over timer.
398
399=cut
400
401sub periodic($$) {
402 my ($interval, $cb) = @_;
403
404 my $start = rand List::Util::min 180, $interval;
405
406 EV::periodic $start, $interval, 0, $cb
407}
408
409=item cf::get_slot $time[, $priority[, $name]]
410
411Allocate $time seconds of blocking CPU time at priority C<$priority>:
412This call blocks and returns only when you have at least C<$time> seconds
413of cpu time till the next tick. The slot is only valid till the next cede.
414
415The optional C<$name> can be used to identify the job to run. It might be
416used for statistical purposes and should identify the same time-class.
417
418Useful for short background jobs.
419
420=cut
421
422our @SLOT_QUEUE;
423our $SLOT_QUEUE;
424
425$SLOT_QUEUE->cancel if $SLOT_QUEUE;
426$SLOT_QUEUE = Coro::async {
427 $Coro::current->desc ("timeslot manager");
428
429 my $signal = new Coro::Signal;
430
431 while () {
432 next_job:
433 my $avail = cf::till_tick;
434 if ($avail > 0.01) {
435 for (0 .. $#SLOT_QUEUE) {
436 if ($SLOT_QUEUE[$_][0] < $avail) {
437 my $job = splice @SLOT_QUEUE, $_, 1, ();
438 $job->[2]->send;
439 Coro::cede;
440 goto next_job;
441 }
442 }
443 }
444
445 if (@SLOT_QUEUE) {
446 # we do not use wait_for_tick() as it returns immediately when tick is inactive
447 push @cf::WAIT_FOR_TICK, $signal;
448 $signal->wait;
449 } else {
450 Coro::schedule;
451 }
306 }; 452 }
307 $TICK_WATCHER->stop; 453};
308 $guard 454
455sub get_slot($;$$) {
456 return if tick_inhibit || $Coro::current == $Coro::main;
457
458 my ($time, $pri, $name) = @_;
459
460 $time = $TICK * .6 if $time > $TICK * .6;
461 my $sig = new Coro::Signal;
462
463 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
464 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
465 $SLOT_QUEUE->ready;
466 $sig->wait;
309} 467}
310 468
311=item cf::async { BLOCK } 469=item cf::async { BLOCK }
312 470
313Currently the same as Coro::async_pool, meaning you cannot use 471Currently the same as Coro::async_pool, meaning you cannot use
… …
318 476
319BEGIN { *async = \&Coro::async_pool } 477BEGIN { *async = \&Coro::async_pool }
320 478
321=item cf::sync_job { BLOCK } 479=item cf::sync_job { BLOCK }
322 480
323The design of crossfire+ requires that the main coro ($Coro::main) is 481The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 482is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 483partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
484acceptable.
326 485
327If it must be done, put the blocking parts into C<sync_job>. This will run 486If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 487the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 488server will be frozen during this time, so the block should either finish
330fast or be very important. 489fast or be very important.
… …
333 492
334sub sync_job(&) { 493sub sync_job(&) {
335 my ($job) = @_; 494 my ($job) = @_;
336 495
337 if ($Coro::current == $Coro::main) { 496 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 497 my $time = EV::time;
339 498
340 # this is the main coro, too bad, we have to block 499 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 500 # till the operation succeeds, freezing the server :/
342 501
343 # TODO: use suspend/resume instead 502 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 503
345 my $freeze_guard = freeze_mainloop; 504 my $freeze_guard = freeze_mainloop;
346 505
347 my $busy = 1; 506 my $busy = 1;
348 my @res; 507 my @res;
349 508
350 (async { 509 (async {
510 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 511 @res = eval { $job->() };
352 warn $@ if $@; 512 warn $@ if $@;
353 undef $busy; 513 undef $busy;
354 })->prio (Coro::PRIO_MAX); 514 })->prio (Coro::PRIO_MAX);
355 515
356 while ($busy) { 516 while ($busy) {
357 Coro::cede or Event::one_event; 517 if (Coro::nready) {
518 Coro::cede_notself;
519 } else {
520 EV::loop EV::LOOP_ONESHOT;
358 } 521 }
522 }
359 523
360 $time = Event::time - $time; 524 my $time = EV::time - $time;
361 525
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 526 $TICK_START += $time; # do not account sync jobs to server load
366 527
367 wantarray ? @res : $res[0] 528 wantarray ? @res : $res[0]
368 } else { 529 } else {
369 # we are in another coroutine, how wonderful, everything just works 530 # we are in another coroutine, how wonderful, everything just works
370 531
… …
390 $EXT_CORO{$coro+0} = $coro; 551 $EXT_CORO{$coro+0} = $coro;
391 552
392 $coro 553 $coro
393} 554}
394 555
395sub write_runtime { 556=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 557
398 # first touch the runtime file to show we are still running: 558Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 559process, returning the results. Everything must be serialisable with
560Coro::Storable. May, of course, block. Note that the executed sub may
561never block itself or use any form of event handling.
400 562
401 IO::AIO::aio_utime $runtime, undef, undef; 563=cut
402 564
403 my $guard = cf::lock_acquire "write_runtime"; 565sub fork_call(&@) {
566 my ($cb, @args) = @_;
404 567
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 568 # we seemingly have to make a local copy of the whole thing,
406 or return; 569 # otherwise perl prematurely frees the stuff :/
570 # TODO: investigate and fix (likely this will be rather laborious)
407 571
408 my $value = $cf::RUNTIME + 90 + 10; 572 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 573 reset_signals;
410 # 60 allows for the watchdog to kill the server. 574 &$cb
575 }, @args;
411 576
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 577 wantarray ? @res : $res[-1]
413 and return; 578}
414 579
415 # always fsync - this file is important 580=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 581
419 # touch it again to show we are up-to-date 582=cut
420 aio_utime $fh, undef, undef;
421 583
422 close $fh 584our %coin_alias = (
423 or return; 585 "silver" => "silvercoin",
586 "silvercoin" => "silvercoin",
587 "silvercoins" => "silvercoin",
588 "gold" => "goldcoin",
589 "goldcoin" => "goldcoin",
590 "goldcoins" => "goldcoin",
591 "platinum" => "platinacoin",
592 "platinumcoin" => "platinacoin",
593 "platinumcoins" => "platinacoin",
594 "platina" => "platinacoin",
595 "platinacoin" => "platinacoin",
596 "platinacoins" => "platinacoin",
597 "royalty" => "royalty",
598 "royalties" => "royalty",
599);
424 600
425 aio_rename "$runtime~", $runtime 601sub coin_from_name($) {
426 and return; 602 $coin_alias{$_[0]}
603 ? cf::arch::find $coin_alias{$_[0]}
604 : undef
605}
427 606
428 warn "runtime file written.\n"; 607=item $value = cf::db_get $family => $key
429 608
609Returns a single value from the environment database.
610
611=item cf::db_put $family => $key => $value
612
613Stores the given C<$value> in the family. It can currently store binary
614data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
615
616=item $db = cf::db_table "name"
617
618Create and/or open a new database table. The string must not be "db" and must be unique
619within each server.
620
621=cut
622
623sub db_table($) {
624 my ($name) = @_;
625 my $db = BDB::db_create $DB_ENV;
626
627 eval {
628 $db->set_flags (BDB::CHKSUM);
629
630 utf8::encode $name;
631 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
632 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
633 cf::cleanup "db_open(db): $!" if $!;
634 };
635 cf::cleanup "db_open(db): $@" if $@;
636
637 $db
638}
639
640our $DB;
641
642sub db_init {
643 cf::sync_job {
644 $DB ||= db_table "db";
645 };
646}
647
648sub db_get($$) {
649 my $key = "$_[0]/$_[1]";
650
651 cf::sync_job {
652 BDB::db_get $DB, undef, $key, my $data;
653
654 $! ? ()
655 : $data
430 1 656 }
657}
658
659sub db_put($$$) {
660 BDB::dbreq_pri 4;
661 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
662}
663
664=item cf::cache $id => [$paths...], $processversion => $process
665
666Generic caching function that returns the value of the resource $id,
667caching and regenerating as required.
668
669This function can block.
670
671=cut
672
673sub cache {
674 my ($id, $src, $processversion, $process) = @_;
675
676 my $meta =
677 join "\x00",
678 $processversion,
679 map {
680 aio_stat $_
681 and Carp::croak "$_: $!";
682
683 ($_, (stat _)[7,9])
684 } @$src;
685
686 my $dbmeta = db_get cache => "$id/meta";
687 if ($dbmeta ne $meta) {
688 # changed, we may need to process
689
690 my @data;
691 my $md5;
692
693 for (0 .. $#$src) {
694 0 <= aio_load $src->[$_], $data[$_]
695 or Carp::croak "$src->[$_]: $!";
696 }
697
698 # if processing is expensive, check
699 # checksum first
700 if (1) {
701 $md5 =
702 join "\x00",
703 $processversion,
704 map {
705 cf::cede_to_tick;
706 ($src->[$_], Digest::MD5::md5_hex $data[$_])
707 } 0.. $#$src;
708
709
710 my $dbmd5 = db_get cache => "$id/md5";
711 if ($dbmd5 eq $md5) {
712 db_put cache => "$id/meta", $meta;
713
714 return db_get cache => "$id/data";
715 }
716 }
717
718 my $t1 = Time::HiRes::time;
719 my $data = $process->(\@data);
720 my $t2 = Time::HiRes::time;
721
722 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
723
724 db_put cache => "$id/data", $data;
725 db_put cache => "$id/md5" , $md5;
726 db_put cache => "$id/meta", $meta;
727
728 return $data;
729 }
730
731 db_get cache => "$id/data"
431} 732}
432 733
433=item cf::datalog type => key => value, ... 734=item cf::datalog type => key => value, ...
434 735
435Log a datalog packet of the given type with the given key-value pairs. 736Log a datalog packet of the given type with the given key-value pairs.
… …
447 748
448############################################################################# 749#############################################################################
449 750
450=head2 ATTACHABLE OBJECTS 751=head2 ATTACHABLE OBJECTS
451 752
452Many objects in crossfire are so-called attachable objects. That means you can 753Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 754attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 755to it. All such attachable objects support the following methods.
455 756
456In the following description, CLASS can be any of C<global>, C<object> 757In 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 758C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 759Deliantra).
459 760
460=over 4 761=over 4
461 762
462=item $attachable->attach ($attachment, key => $value...) 763=item $attachable->attach ($attachment, key => $value...)
463 764
… …
507=item cf::CLASS::attachment $name, ... 808=item cf::CLASS::attachment $name, ...
508 809
509Register an attachment by C<$name> through which attachable objects of the 810Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 811given CLASS can refer to this attachment.
511 812
512Some classes such as crossfire maps and objects can specify attachments 813Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 814that are attached at load/instantiate time, thus the need for a name.
514 815
515These calls expect any number of the following handler/hook descriptions: 816These calls expect any number of the following handler/hook descriptions:
516 817
517=over 4 818=over 4
… …
665 _attach $registry, $klass, @attach; 966 _attach $registry, $klass, @attach;
666 } 967 }
667 968
668 $obj->{$name} = \%arg; 969 $obj->{$name} = \%arg;
669 } else { 970 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 971 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 972 }
672 973
673 $obj->{_attachment}{$name} = undef; 974 $obj->{_attachment}{$name} = undef;
674} 975}
675 976
… …
715 "; 1016 ";
716 die if $@; 1017 die if $@;
717} 1018}
718 1019
719our $override; 1020our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1021our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1022
722sub override { 1023sub override {
723 $override = 1; 1024 $override = 1;
724 @invoke_results = (); 1025 @INVOKE_RESULTS = (@_);
725} 1026}
726 1027
727sub do_invoke { 1028sub do_invoke {
728 my $event = shift; 1029 my $event = shift;
729 my $callbacks = shift; 1030 my $callbacks = shift;
730 1031
731 @invoke_results = (); 1032 @INVOKE_RESULTS = ();
732 1033
733 local $override; 1034 local $override;
734 1035
735 for (@$callbacks) { 1036 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1037 eval { &{$_->[1]} };
… …
745 } 1046 }
746 1047
747 0 1048 0
748} 1049}
749 1050
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1052
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1053=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1054
754Generate an object-specific event with the given arguments. 1055Generate an object-specific event with the given arguments.
755 1056
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1057This 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 1058removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1059results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1060
760=back 1061=back
761 1062
762=cut 1063=cut
763 1064
764############################################################################# 1065#############################################################################
765# object support 1066# object support
1067
1068sub _object_equal($$);
1069sub _object_equal($$) {
1070 my ($a, $b) = @_;
1071
1072 return 0 unless (ref $a) eq (ref $b);
1073
1074 if ("HASH" eq ref $a) {
1075 my @ka = keys %$a;
1076 my @kb = keys %$b;
1077
1078 return 0 if @ka != @kb;
1079
1080 for (0 .. $#ka) {
1081 return 0 unless $ka[$_] eq $kb[$_];
1082 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1083 }
1084
1085 } elsif ("ARRAY" eq ref $a) {
1086
1087 return 0 if @$a != @$b;
1088
1089 for (0 .. $#$a) {
1090 return 0 unless _object_equal $a->[$_], $b->[$_];
1091 }
1092
1093 } elsif ($a ne $b) {
1094 return 0;
1095 }
1096
1097 1
1098}
1099
1100our $SLOW_MERGES;#d#
1101sub _can_merge {
1102 my ($ob1, $ob2) = @_;
1103
1104 ++$SLOW_MERGES;#d#
1105
1106 # we do the slow way here
1107 return _object_equal $ob1, $ob2
1108}
766 1109
767sub reattach { 1110sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1111 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1112 my ($obj) = @_;
770 1113
1114 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1115 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1116
773 my $registry = $obj->registry; 1117 my $registry = $obj->registry;
774 1118
775 @$registry = (); 1119 @$registry = ();
776 1120
… …
791cf::attachable->attach ( 1135cf::attachable->attach (
792 prio => -1000000, 1136 prio => -1000000,
793 on_instantiate => sub { 1137 on_instantiate => sub {
794 my ($obj, $data) = @_; 1138 my ($obj, $data) = @_;
795 1139
796 $data = from_json $data; 1140 $data = decode_json $data;
797 1141
798 for (@$data) { 1142 for (@$data) {
799 my ($name, $args) = @$_; 1143 my ($name, $args) = @$_;
800 1144
801 $obj->attach ($name, %{$args || {} }); 1145 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1161sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1162 my ($filename, $rdata, $objs) = @_;
819 1163
820 sync_job { 1164 sync_job {
821 if (length $$rdata) { 1165 if (length $$rdata) {
1166 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1167 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1168 $decname, length $$rdata, scalar @$objs;
824 1169
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1170 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1171 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1172 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1173 if ($cf::USE_FSYNC) {
1174 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;
1175 aio_fsync $fh;
1176 }
829 close $fh; 1177 aio_close $fh;
830 1178
831 if (@$objs) { 1179 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1180 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1181 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1182 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1183 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 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;
1186 aio_fsync $fh;
1187 }
837 close $fh; 1188 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1189 aio_rename "$filename.pst~", "$filename.pst";
839 } 1190 }
840 } else { 1191 } else {
841 aio_unlink "$filename.pst"; 1192 aio_unlink "$filename.pst";
842 } 1193 }
843 1194
844 aio_rename "$filename~", $filename; 1195 aio_rename "$filename~", $filename;
1196
1197 $filename =~ s%/[^/]+$%%;
1198 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1199 } else {
846 warn "FATAL: $filename~: $!\n"; 1200 warn "unable to save objects: $filename~: $!\n";
847 } 1201 }
848 } else { 1202 } else {
849 aio_unlink $filename; 1203 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1204 aio_unlink "$filename.pst";
851 } 1205 }
852 } 1206 };
853} 1207}
854 1208
855sub object_freezer_as_string { 1209sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1210 my ($rdata, $objs) = @_;
857 1211
… …
869 or return; 1223 or return;
870 1224
871 unless (aio_stat "$filename.pst") { 1225 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1226 (aio_load "$filename.pst", $av) >= 0
873 or return; 1227 or return;
1228
874 $av = eval { (Storable::thaw $av)->{objs} }; 1229 my $st = eval { Coro::Storable::thaw $av };
1230 $av = $st->{objs};
875 } 1231 }
876 1232
1233 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1234 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1235 $decname, length $data, scalar @{$av || []};
1236
879 return ($data, $av); 1237 ($data, $av)
880} 1238}
1239
1240=head2 COMMAND CALLBACKS
1241
1242=over 4
1243
1244=cut
881 1245
882############################################################################# 1246#############################################################################
883# command handling &c 1247# command handling &c
884 1248
885=item cf::register_command $name => \&callback($ob,$args); 1249=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1262 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1263}
900 1264
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1265=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1266
903Register a callbackf ro execution when the client sends an extcmd packet. 1267Register a callback for execution when the client sends an (synchronous)
1268extcmd packet. Ext commands will be processed in the order they are
1269received by the server, like other user commands. The first argument is
1270the logged-in player. Ext commands can only be processed after a player
1271has logged in successfully.
904 1272
905If the callback returns something, it is sent back as if reply was being 1273If the callback returns something, it is sent back as if reply was being
906called. 1274called.
907 1275
1276=item cf::register_exticmd $name => \&callback($ns,$packet);
1277
1278Register a callback for execution when the client sends an (asynchronous)
1279exticmd packet. Exti commands are processed by the server as soon as they
1280are received, i.e. out of order w.r.t. other commands. The first argument
1281is a client socket. Exti commands can be received anytime, even before
1282log-in.
1283
1284If the callback returns something, it is sent back as if reply was being
1285called.
1286
908=cut 1287=cut
909 1288
910sub register_extcmd { 1289sub register_extcmd {
911 my ($name, $cb) = @_; 1290 my ($name, $cb) = @_;
912 1291
913 $EXTCMD{$name} = $cb; 1292 $EXTCMD{$name} = $cb;
914} 1293}
1294
1295sub register_exticmd {
1296 my ($name, $cb) = @_;
1297
1298 $EXTICMD{$name} = $cb;
1299}
1300
1301use File::Glob ();
915 1302
916cf::player->attach ( 1303cf::player->attach (
917 on_command => sub { 1304 on_command => sub {
918 my ($pl, $name, $params) = @_; 1305 my ($pl, $name, $params) = @_;
919 1306
… …
927 cf::override; 1314 cf::override;
928 }, 1315 },
929 on_extcmd => sub { 1316 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1317 my ($pl, $buf) = @_;
931 1318
932 my $msg = eval { from_json $buf }; 1319 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1320
934 if (ref $msg) { 1321 if (ref $msg) {
1322 my ($type, $reply, @payload) =
1323 "ARRAY" eq ref $msg
1324 ? @$msg
1325 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1326
1327 my @reply;
1328
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1329 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1330 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1331 }
1332
1333 $pl->ext_reply ($reply, @reply)
1334 if $reply;
1335
940 } else { 1336 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1337 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1338 }
943 1339
944 cf::override; 1340 cf::override;
945 }, 1341 },
946); 1342);
947 1343
1344# "readahead" all extensions
948sub load_extension { 1345sub cache_extensions {
949 my ($path) = @_; 1346 my $grp = IO::AIO::aio_group;
950 1347
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1348 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1349 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1350 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 } 1351 }
976 die $@;
977 } 1352 };
978 1353
979 push @EXTS, $pkg; 1354 $grp
980} 1355}
981 1356
982sub load_extensions { 1357sub load_extensions {
1358 cf::sync_job {
1359 my %todo;
1360
983 for my $ext (<$LIBDIR/*.ext>) { 1361 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1362 next unless -r $path;
985 eval { 1363
986 load_extension $ext; 1364 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1365 my $base = $1;
1366 my $pkg = $1;
1367 $pkg =~ s/[^[:word:]]/_/g;
1368 $pkg = "ext::$pkg";
1369
1370 open my $fh, "<:utf8", $path
1371 or die "$path: $!";
1372
1373 my $source = do { local $/; <$fh> };
1374
1375 my %ext = (
1376 path => $path,
1377 base => $base,
1378 pkg => $pkg,
1379 );
1380
1381 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1382 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1383
1384 $ext{source} =
1385 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1386 . "#line 1 \"$path\"\n{\n"
1387 . $source
1388 . "\n};\n1";
1389
1390 $todo{$base} = \%ext;
1391 }
1392
1393 my %done;
1394 while (%todo) {
1395 my $progress;
1396
1397 while (my ($k, $v) = each %todo) {
1398 for (split /,\s*/, $v->{meta}{depends}) {
1399 goto skip
1400 unless exists $done{$_};
1401 }
1402
1403 warn "... loading '$k' into '$v->{pkg}'\n";
1404
1405 unless (eval $v->{source}) {
1406 my $msg = $@ ? "$v->{path}: $@\n"
1407 : "$v->{base}: extension inactive.\n";
1408
1409 if (exists $v->{meta}{mandatory}) {
1410 warn $msg;
1411 cf::cleanup "mandatory extension failed to load, exiting.";
1412 }
1413
1414 warn $msg;
1415 }
1416
1417 $done{$k} = delete $todo{$k};
1418 push @EXTS, $v->{pkg};
1419 $progress = 1;
987 1 1420 }
988 } or warn "$ext not loaded: $@"; 1421
1422 skip:
1423 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1424 unless $progress;
1425 }
989 } 1426 };
990} 1427}
991 1428
992############################################################################# 1429#############################################################################
993 1430
1431=back
1432
994=head2 CORE EXTENSIONS 1433=head2 CORE EXTENSIONS
995 1434
996Functions and methods that extend core crossfire objects. 1435Functions and methods that extend core deliantra objects.
997 1436
998=cut 1437=cut
999 1438
1000package cf::player; 1439package cf::player;
1001 1440
1002use Coro::AIO; 1441use Coro::AIO;
1003 1442
1004=head3 cf::player 1443=head3 cf::player
1005 1444
1006=over 4 1445=over 4
1446
1447=item cf::player::num_playing
1448
1449Returns the official number of playing players, as per the Crossfire metaserver rules.
1450
1451=cut
1452
1453sub num_playing {
1454 scalar grep
1455 $_->ob->map
1456 && !$_->hidden
1457 && !$_->ob->flag (cf::FLAG_WIZ),
1458 cf::player::list
1459}
1007 1460
1008=item cf::player::find $login 1461=item cf::player::find $login
1009 1462
1010Returns the given player object, loading it if necessary (might block). 1463Returns the given player object, loading it if necessary (might block).
1011 1464
… …
1030 1483
1031sub exists($) { 1484sub exists($) {
1032 my ($login) = @_; 1485 my ($login) = @_;
1033 1486
1034 $cf::PLAYER{$login} 1487 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1488 or !aio_stat path $login
1036} 1489}
1037 1490
1038sub find($) { 1491sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1492 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1493 my $login = $_[0];
… …
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1500 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1501 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1502 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1503 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1504
1052 my $pl = load_pl path $login 1505 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1506 or return;
1507
1508 my $pl = cf::player::load_pl $f
1509 or return;
1510
1511 local $cf::PLAYER_LOADING{$login} = $pl;
1512 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1513 $cf::PLAYER{$login} = $pl
1055 } 1514 }
1056 } 1515 }
1057} 1516}
1058 1517
… …
1067 return if $pl->{deny_save}; 1526 return if $pl->{deny_save};
1068 1527
1069 aio_mkdir playerdir $pl, 0770; 1528 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1529 $pl->{last_save} = $cf::RUNTIME;
1071 1530
1531 cf::get_slot 0.01;
1532
1072 $pl->save_pl ($path); 1533 $pl->save_pl ($path);
1073 Coro::cede; 1534 cf::cede_to_tick;
1074} 1535}
1075 1536
1076sub new($) { 1537sub new($) {
1077 my ($login) = @_; 1538 my ($login) = @_;
1078 1539
… …
1084 $cf::PLAYER{$login} = $self; 1545 $cf::PLAYER{$login} = $self;
1085 1546
1086 $self 1547 $self
1087} 1548}
1088 1549
1550=item $player->send_msg ($channel, $msg, $color, [extra...])
1551
1552=cut
1553
1554sub send_msg {
1555 my $ns = shift->ns
1556 or return;
1557 $ns->send_msg (@_);
1558}
1559
1089=item $pl->quit_character 1560=item $pl->quit_character
1090 1561
1091Nukes the player without looking back. If logged in, the connection will 1562Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1563be destroyed. May block for a long time.
1093 1564
… …
1097 my ($pl) = @_; 1568 my ($pl) = @_;
1098 1569
1099 my $name = $pl->ob->name; 1570 my $name = $pl->ob->name;
1100 1571
1101 $pl->{deny_save} = 1; 1572 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1573 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1574
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1575 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1576 $pl->deactivate;
1577 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1578 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1579 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1580 $pl->ns->destroy if $pl->ns;
1108 1581
1109 my $path = playerdir $pl; 1582 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1583 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1146 or return []; 1619 or return [];
1147 1620
1148 my @logins; 1621 my @logins;
1149 1622
1150 for my $login (@$dirs) { 1623 for my $login (@$dirs) {
1624 my $path = path $login;
1625
1626 # a .pst is a dead give-away for a valid player
1627 # if no pst file found, open and chekc for blocked users
1628 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1629 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1630 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1631 $buf !~ /^password -------------$/m or next; # official not-valid tag
1632 }
1154 1633
1155 utf8::decode $login; 1634 utf8::decode $login;
1156 push @logins, $login; 1635 push @logins, $login;
1157 } 1636 }
1158 1637
… …
1185 } 1664 }
1186 1665
1187 \@paths 1666 \@paths
1188} 1667}
1189 1668
1669=item $protocol_xml = $player->expand_cfpod ($cfpod)
1670
1671Expand deliantra pod fragments into protocol xml.
1672
1190=item $player->ext_reply ($msgid, %msg) 1673=item $player->ext_reply ($msgid, @msg)
1191 1674
1192Sends an ext reply to the player. 1675Sends an ext reply to the player.
1193 1676
1194=cut 1677=cut
1195 1678
1196sub ext_reply($$%) { 1679sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1680 my ($self, $id, @msg) = @_;
1198 1681
1199 $msg{msgid} = $id; 1682 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1683}
1203 1684
1204=item $player->ext_event ($type, %msg) 1685=item $player->ext_msg ($type, @msg)
1205 1686
1206Sends an ext event to the client. 1687Sends an ext event to the client.
1207 1688
1208=cut 1689=cut
1209 1690
1210sub ext_event($$%) { 1691sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1692 my ($self, $type, @msg) = @_;
1212 1693
1213 $self->ns->ext_event ($type, %msg); 1694 $self->ns->ext_msg ($type, @msg);
1214} 1695}
1215 1696
1216=head3 cf::region 1697=head3 cf::region
1217 1698
1218=over 4 1699=over 4
… …
1221 1702
1222package cf::region; 1703package cf::region;
1223 1704
1224=item cf::region::find_by_path $path 1705=item cf::region::find_by_path $path
1225 1706
1226Tries to decuce the probable region for a map knowing only its path. 1707Tries to decuce the likely region for a map knowing only its path.
1227 1708
1228=cut 1709=cut
1229 1710
1230sub find_by_path($) { 1711sub find_by_path($) {
1231 my ($path) = @_; 1712 my ($path) = @_;
1232 1713
1233 my ($match, $specificity); 1714 my ($match, $specificity);
1234 1715
1235 for my $region (list) { 1716 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1717 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1718 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1719 if $region->specificity > $specificity;
1239 } 1720 }
1240 } 1721 }
1241 1722
… …
1262our $MAX_RESET = 3600; 1743our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1744our $DEFAULT_RESET = 3000;
1264 1745
1265sub generate_random_map { 1746sub generate_random_map {
1266 my ($self, $rmp) = @_; 1747 my ($self, $rmp) = @_;
1748
1749 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1750
1267 # mit "rum" bekleckern, nicht 1751 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1752 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1753 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1754 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1755 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1361 $self->init; # pass $1 etc. 1845 $self->init; # pass $1 etc.
1362 return $self; 1846 return $self;
1363 } 1847 }
1364 } 1848 }
1365 1849
1366 Carp::carp "unable to resolve path '$path' (base '$base')."; 1850 Carp::cluck "unable to resolve path '$path' (base '$base').";
1367 () 1851 ()
1368} 1852}
1369 1853
1370sub init { 1854sub init {
1371 my ($self) = @_; 1855 my ($self) = @_;
… …
1393 1877
1394# the temporary/swap location 1878# the temporary/swap location
1395sub save_path { 1879sub save_path {
1396 my ($self) = @_; 1880 my ($self) = @_;
1397 1881
1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1882 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399 "$TMPDIR/$path.map" 1883 "$TMPDIR/$path.map"
1400} 1884}
1401 1885
1402# the unique path, undef == no special unique path 1886# the unique path, undef == no special unique path
1403sub uniq_path { 1887sub uniq_path {
1404 my ($self) = @_; 1888 my ($self) = @_;
1405 1889
1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1890 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407 "$UNIQUEDIR/$path" 1891 "$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1417} 1892}
1418 1893
1419sub decay_objects { 1894sub decay_objects {
1420 my ($self) = @_; 1895 my ($self) = @_;
1421 1896
… …
1434 1909
1435sub load_header_from($) { 1910sub load_header_from($) {
1436 my ($self, $path) = @_; 1911 my ($self, $path) = @_;
1437 1912
1438 utf8::encode $path; 1913 utf8::encode $path;
1439 #aio_open $path, O_RDONLY, 0 1914 my $f = new_from_file cf::object::thawer $path
1440 # or return;
1441
1442 $self->_load_header ($path)
1443 or return; 1915 or return;
1916
1917 $self->_load_header ($f)
1918 or return;
1919
1920 local $MAP_LOADING{$self->{path}} = $self;
1921 $f->resolve_delayed_derefs;
1444 1922
1445 $self->{load_path} = $path; 1923 $self->{load_path} = $path;
1446 1924
1447 1 1925 1
1448} 1926}
… …
1502sub find { 1980sub find {
1503 my ($path, $origin) = @_; 1981 my ($path, $origin) = @_;
1504 1982
1505 $path = normalise $path, $origin && $origin->path; 1983 $path = normalise $path, $origin && $origin->path;
1506 1984
1985 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507 cf::lock_wait "map_find:$path"; 1986 my $guard2 = cf::lock_acquire "map_find:$path";
1508 1987
1509 $cf::MAP{$path} || do { 1988 $cf::MAP{$path} || do {
1510 my $guard = cf::lock_acquire "map_find:$path";
1511 my $map = new_from_path cf::map $path 1989 my $map = new_from_path cf::map $path
1512 or return; 1990 or return;
1513 1991
1514 $map->{last_save} = $cf::RUNTIME; 1992 $map->{last_save} = $cf::RUNTIME;
1515 1993
… …
1517 or return; 1995 or return;
1518 1996
1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1997 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously 1998 # doing this can freeze the server in a sync job, obviously
1521 #$cf::WAIT_FOR_TICK->wait; 1999 #$cf::WAIT_FOR_TICK->wait;
2000 undef $guard2;
2001 undef $guard1;
1522 $map->reset; 2002 $map->reset;
1523 undef $guard;
1524 return find $path; 2003 return find $path;
1525 } 2004 }
1526 2005
1527 $cf::MAP{$path} = $map 2006 $cf::MAP{$path} = $map
1528 } 2007 }
… …
1537 local $self->{deny_reset} = 1; # loading can take a long time 2016 local $self->{deny_reset} = 1; # loading can take a long time
1538 2017
1539 my $path = $self->{path}; 2018 my $path = $self->{path};
1540 2019
1541 { 2020 {
1542 my $guard = cf::lock_acquire "map_load:$path"; 2021 my $guard = cf::lock_acquire "map_data:$path";
1543 2022
2023 return unless $self->valid;
1544 return if $self->in_memory != cf::MAP_SWAPPED; 2024 return unless $self->in_memory == cf::MAP_SWAPPED;
1545 2025
1546 $self->in_memory (cf::MAP_LOADING); 2026 $self->in_memory (cf::MAP_LOADING);
1547 2027
1548 $self->alloc; 2028 $self->alloc;
1549 2029
1550 $self->pre_load; 2030 $self->pre_load;
1551 Coro::cede; 2031 cf::cede_to_tick;
1552 2032
2033 my $f = new_from_file cf::object::thawer $self->{load_path};
2034 $f->skip_block;
1553 $self->_load_objects ($self->{load_path}, 1) 2035 $self->_load_objects ($f)
1554 or return; 2036 or return;
1555 2037
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2038 $self->post_load_original
1557 if delete $self->{load_original}; 2039 if delete $self->{load_original};
1558 2040
1559 if (my $uniq = $self->uniq_path) { 2041 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq; 2042 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) { 2043 unless (aio_stat $uniq) {
2044 if (my $f = new_from_file cf::object::thawer $uniq) {
1562 $self->clear_unique_items; 2045 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0); 2046 $self->_load_objects ($f);
2047 $f->resolve_delayed_derefs;
2048 }
1564 } 2049 }
1565 } 2050 }
1566 2051
1567 Coro::cede; 2052 $f->resolve_delayed_derefs;
2053
2054 cf::cede_to_tick;
1568 # now do the right thing for maps 2055 # now do the right thing for maps
1569 $self->link_multipart_objects; 2056 $self->link_multipart_objects;
1570 $self->difficulty ($self->estimate_difficulty) 2057 $self->difficulty ($self->estimate_difficulty)
1571 unless $self->difficulty; 2058 unless $self->difficulty;
1572 Coro::cede; 2059 cf::cede_to_tick;
1573 2060
1574 unless ($self->{deny_activate}) { 2061 unless ($self->{deny_activate}) {
1575 $self->decay_objects; 2062 $self->decay_objects;
1576 $self->fix_auto_apply; 2063 $self->fix_auto_apply;
1577 $self->update_buttons; 2064 $self->update_buttons;
1578 Coro::cede; 2065 cf::cede_to_tick;
1579 $self->set_darkness_map;
1580 Coro::cede;
1581 $self->activate; 2066 $self->activate;
1582 } 2067 }
1583 2068
2069 $self->{last_save} = $cf::RUNTIME;
2070 $self->last_access ($cf::RUNTIME);
2071
1584 $self->in_memory (cf::MAP_IN_MEMORY); 2072 $self->in_memory (cf::MAP_ACTIVE);
1585 } 2073 }
1586 2074
1587 $self->post_load; 2075 $self->post_load;
1588} 2076}
1589 2077
… …
1598 2086
1599 $self 2087 $self
1600} 2088}
1601 2089
1602# find and load all maps in the 3x3 area around a map 2090# find and load all maps in the 3x3 area around a map
1603sub load_diag { 2091sub load_neighbours {
1604 my ($map) = @_; 2092 my ($map) = @_;
1605 2093
1606 my @diag; # diagonal neighbours 2094 my @neigh; # diagonal neighbours
1607 2095
1608 for (0 .. 3) { 2096 for (0 .. 3) {
1609 my $neigh = $map->tile_path ($_) 2097 my $neigh = $map->tile_path ($_)
1610 or next; 2098 or next;
1611 $neigh = find $neigh, $map 2099 $neigh = find $neigh, $map
1612 or next; 2100 or next;
1613 $neigh->load; 2101 $neigh->load;
1614 2102
2103 push @neigh,
1615 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2104 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2105 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1617 } 2106 }
1618 2107
1619 for (@diag) { 2108 for (grep defined $_->[0], @neigh) {
2109 my ($path, $origin) = @$_;
1620 my $neigh = find @$_ 2110 my $neigh = find $path, $origin
1621 or next; 2111 or next;
1622 $neigh->load; 2112 $neigh->load;
1623 } 2113 }
1624} 2114}
1625 2115
… …
1630} 2120}
1631 2121
1632sub do_load_sync { 2122sub do_load_sync {
1633 my ($map) = @_; 2123 my ($map) = @_;
1634 2124
2125 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2126 if $Coro::current == $Coro::main;
2127
1635 cf::sync_job { $map->load }; 2128 cf::sync_job { $map->load };
1636} 2129}
1637 2130
1638our %MAP_PREFETCH; 2131our %MAP_PREFETCH;
1639our $MAP_PREFETCHER = undef; 2132our $MAP_PREFETCHER = undef;
1640 2133
1641sub find_async { 2134sub find_async {
1642 my ($path, $origin) = @_; 2135 my ($path, $origin, $load) = @_;
1643 2136
1644 $path = normalise $path, $origin && $origin->{path}; 2137 $path = normalise $path, $origin && $origin->{path};
1645 2138
1646 if (my $map = $cf::MAP{$path}) { 2139 if (my $map = $cf::MAP{$path}) {
1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2140 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648 } 2141 }
1649 2142
1650 undef $MAP_PREFETCH{$path}; 2143 $MAP_PREFETCH{$path} |= $load;
2144
1651 $MAP_PREFETCHER ||= cf::async { 2145 $MAP_PREFETCHER ||= cf::async {
2146 $Coro::current->{desc} = "map prefetcher";
2147
1652 while (%MAP_PREFETCH) { 2148 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) { 2149 while (my ($k, $v) = each %MAP_PREFETCH) {
1654 my $map = find $path 2150 if (my $map = find $k) {
1655 or next;
1656 $map->load; 2151 $map->load if $v;
2152 }
1657 2153
1658 delete $MAP_PREFETCH{$path}; 2154 delete $MAP_PREFETCH{$k};
1659 } 2155 }
1660 } 2156 }
1661 undef $MAP_PREFETCHER; 2157 undef $MAP_PREFETCHER;
1662 }; 2158 };
1663 $MAP_PREFETCHER->prio (6); 2159 $MAP_PREFETCHER->prio (6);
… …
1666} 2162}
1667 2163
1668sub save { 2164sub save {
1669 my ($self) = @_; 2165 my ($self) = @_;
1670 2166
1671 my $lock = cf::lock_acquire "map_data:" . $self->path; 2167 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2168
1673 $self->{last_save} = $cf::RUNTIME; 2169 $self->{last_save} = $cf::RUNTIME;
1674 2170
1675 return unless $self->dirty; 2171 return unless $self->dirty;
1676 2172
… …
1682 return if $self->{deny_save}; 2178 return if $self->{deny_save};
1683 2179
1684 local $self->{last_access} = $self->last_access;#d# 2180 local $self->{last_access} = $self->last_access;#d#
1685 2181
1686 cf::async { 2182 cf::async {
2183 $Coro::current->{desc} = "map player save";
1687 $_->contr->save for $self->players; 2184 $_->contr->save for $self->players;
1688 }; 2185 };
2186
2187 cf::get_slot 0.02;
1689 2188
1690 if ($uniq) { 2189 if ($uniq) {
1691 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2190 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2191 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1693 } else { 2192 } else {
… …
1699 my ($self) = @_; 2198 my ($self) = @_;
1700 2199
1701 # save first because save cedes 2200 # save first because save cedes
1702 $self->save; 2201 $self->save;
1703 2202
1704 my $lock = cf::lock_acquire "map_data:" . $self->path; 2203 my $lock = cf::lock_acquire "map_data:$self->{path}";
1705 2204
1706 return if $self->players; 2205 return if $self->players;
1707 return if $self->in_memory != cf::MAP_IN_MEMORY; 2206 return if $self->in_memory != cf::MAP_ACTIVE;
1708 return if $self->{deny_save}; 2207 return if $self->{deny_save};
1709 2208
2209 $self->in_memory (cf::MAP_SWAPPED);
2210
2211 $self->deactivate;
2212 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2213 $self->clear;
1711 $self->in_memory (cf::MAP_SWAPPED);
1712} 2214}
1713 2215
1714sub reset_at { 2216sub reset_at {
1715 my ($self) = @_; 2217 my ($self) = @_;
1716 2218
… …
1734 2236
1735 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2237 my $lock = cf::lock_acquire "map_data:$self->{path}";
1736 2238
1737 return if $self->players; 2239 return if $self->players;
1738 2240
1739 warn "resetting map ", $self->path; 2241 warn "resetting map ", $self->path, "\n";
1740 2242
1741 $self->in_memory (cf::MAP_SWAPPED); 2243 $self->in_memory (cf::MAP_SWAPPED);
1742 2244
1743 # need to save uniques path 2245 # need to save uniques path
1744 unless ($self->{deny_save}) { 2246 unless ($self->{deny_save}) {
… …
1748 if $uniq; 2250 if $uniq;
1749 } 2251 }
1750 2252
1751 delete $cf::MAP{$self->path}; 2253 delete $cf::MAP{$self->path};
1752 2254
2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
1753 $self->clear; 2257 $self->clear;
1754
1755 $_->clear_links_to ($self) for values %cf::MAP;
1756 2258
1757 $self->unlink_save; 2259 $self->unlink_save;
1758 $self->destroy; 2260 $self->destroy;
1759} 2261}
1760 2262
1761my $nuke_counter = "aaaa"; 2263my $nuke_counter = "aaaa";
1762 2264
1763sub nuke { 2265sub nuke {
1764 my ($self) = @_; 2266 my ($self) = @_;
1765 2267
2268 {
2269 my $lock = cf::lock_acquire "map_data:$self->{path}";
2270
1766 delete $cf::MAP{$self->path}; 2271 delete $cf::MAP{$self->path};
1767 2272
1768 $self->unlink_save; 2273 $self->unlink_save;
1769 2274
1770 bless $self, "cf::map"; 2275 bless $self, "cf::map";
1771 delete $self->{deny_reset}; 2276 delete $self->{deny_reset};
1772 $self->{deny_save} = 1; 2277 $self->{deny_save} = 1;
1773 $self->reset_timeout (1); 2278 $self->reset_timeout (1);
1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2279 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775 2280
1776 $cf::MAP{$self->path} = $self; 2281 $cf::MAP{$self->path} = $self;
2282 }
1777 2283
1778 $self->reset; # polite request, might not happen 2284 $self->reset; # polite request, might not happen
1779} 2285}
1780 2286
1781=item $maps = cf::map::tmp_maps 2287=item $maps = cf::map::tmp_maps
1782 2288
1783Returns an arrayref with all map paths of currently instantiated and saved 2289Returns an arrayref with all map paths of currently instantiated and saved
1784maps. 2290maps. May block.
1785 2291
1786=cut 2292=cut
1787 2293
1788sub tmp_maps() { 2294sub tmp_maps() {
1789 [ 2295 [
1790 map { 2296 map {
1791 utf8::decode $_; 2297 utf8::decode $_;
1792 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o 2298 /\.map$/
1793 ? normalise $_ 2299 ? normalise $_
1794 : () 2300 : ()
1795 } @{ aio_readdir $TMPDIR or [] } 2301 } @{ aio_readdir $TMPDIR or [] }
1796 ] 2302 ]
1797} 2303}
1798 2304
2305=item $maps = cf::map::random_maps
2306
2307Returns an arrayref with all map paths of currently instantiated and saved
2308random maps. May block.
2309
2310=cut
2311
2312sub random_maps() {
2313 [
2314 map {
2315 utf8::decode $_;
2316 /\.map$/
2317 ? normalise "?random/$_"
2318 : ()
2319 } @{ aio_readdir $RANDOMDIR or [] }
2320 ]
2321}
2322
1799=item cf::map::unique_maps 2323=item cf::map::unique_maps
1800 2324
1801Returns an arrayref of paths of all shared maps that have 2325Returns an arrayref of paths of all shared maps that have
1802instantiated unique items. May block. 2326instantiated unique items. May block.
1803 2327
… …
1805 2329
1806sub unique_maps() { 2330sub unique_maps() {
1807 [ 2331 [
1808 map { 2332 map {
1809 utf8::decode $_; 2333 utf8::decode $_;
1810 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o 2334 s/\.map$//; # TODO future compatibility hack
2335 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2336 ? ()
1811 ? normalise $_ 2337 : normalise $_
1812 : ()
1813 } @{ aio_readdir $UNIQUEDIR or [] } 2338 } @{ aio_readdir $UNIQUEDIR or [] }
1814 ] 2339 ]
1815} 2340}
1816 2341
1817package cf;
1818
1819=back 2342=back
1820 2343
1821=head3 cf::object 2344=head3 cf::object
1822 2345
1823=cut 2346=cut
… …
1826 2349
1827=over 4 2350=over 4
1828 2351
1829=item $ob->inv_recursive 2352=item $ob->inv_recursive
1830 2353
1831Returns the inventory of the object _and_ their inventories, recursively. 2354Returns the inventory of the object I<and> their inventories, recursively,
2355but I<not> the object itself.
1832 2356
1833=cut 2357=cut
1834 2358
1835sub inv_recursive_; 2359sub inv_recursive_;
1836sub inv_recursive_ { 2360sub inv_recursive_ {
… …
1839 2363
1840sub inv_recursive { 2364sub inv_recursive {
1841 inv_recursive_ inv $_[0] 2365 inv_recursive_ inv $_[0]
1842} 2366}
1843 2367
2368=item $ref = $ob->ref
2369
2370Creates and returns a persistent reference to an object that can be stored as a string.
2371
2372=item $ob = cf::object::deref ($refstring)
2373
2374returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2375even if the object actually exists. May block.
2376
2377=cut
2378
2379sub deref {
2380 my ($ref) = @_;
2381
2382 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2383 my ($uuid, $name) = ($1, $2);
2384 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2385 or return;
2386 $pl->ob->uuid eq $uuid
2387 or return;
2388
2389 $pl->ob
2390 } else {
2391 warn "$ref: cannot resolve object reference\n";
2392 undef
2393 }
2394}
2395
1844package cf; 2396package cf;
1845 2397
1846=back 2398=back
1847 2399
1848=head3 cf::object::player 2400=head3 cf::object::player
… …
1854Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2406Sends 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 2407can be C<undef>. Does the right thing when the player is currently in a
1856dialogue with the given NPC character. 2408dialogue with the given NPC character.
1857 2409
1858=cut 2410=cut
2411
2412our $SAY_CHANNEL = {
2413 id => "say",
2414 title => "Map",
2415 reply => "say ",
2416 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2417};
2418
2419our $CHAT_CHANNEL = {
2420 id => "chat",
2421 title => "Chat",
2422 reply => "chat ",
2423 tooltip => "Player chat and shouts, global to the server.",
2424};
1859 2425
1860# rough implementation of a future "reply" method that works 2426# rough implementation of a future "reply" method that works
1861# with dialog boxes. 2427# with dialog boxes.
1862#TODO: the first argument must go, split into a $npc->reply_to ( method 2428#TODO: the first argument must go, split into a $npc->reply_to ( method
1863sub cf::object::player::reply($$$;$) { 2429sub cf::object::player::reply($$$;$) {
… …
1865 2431
1866 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2432 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867 2433
1868 if ($self->{record_replies}) { 2434 if ($self->{record_replies}) {
1869 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2435 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2436
1870 } else { 2437 } else {
2438 my $pl = $self->contr;
2439
2440 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2441 my $dialog = $pl->{npc_dialog};
2442 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443
2444 } else {
1871 $msg = $npc->name . " says: $msg" if $npc; 2445 $msg = $npc->name . " says: $msg" if $npc;
1872 $self->message ($msg, $flags); 2446 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447 }
1873 } 2448 }
2449}
2450
2451=item $object->send_msg ($channel, $msg, $color, [extra...])
2452
2453=cut
2454
2455sub cf::object::send_msg {
2456 my $pl = shift->contr
2457 or return;
2458 $pl->send_msg (@_);
1874} 2459}
1875 2460
1876=item $player_object->may ("access") 2461=item $player_object->may ("access")
1877 2462
1878Returns wether the given player is authorized to access resource "access" 2463Returns wether the given player is authorized to access resource "access"
… …
1891 2476
1892=item $player_object->enter_link 2477=item $player_object->enter_link
1893 2478
1894Freezes the player and moves him/her to a special map (C<{link}>). 2479Freezes the player and moves him/her to a special map (C<{link}>).
1895 2480
1896The player should be reasonably safe there for short amounts of time. You 2481The player should be reasonably safe there for short amounts of time (e.g.
1897I<MUST> call C<leave_link> as soon as possible, though. 2482for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2483though, as the palyer cannot control the character while it is on the link
2484map.
1898 2485
1899Will never block. 2486Will never block.
1900 2487
1901=item $player_object->leave_link ($map, $x, $y) 2488=item $player_object->leave_link ($map, $x, $y)
1902 2489
… …
1957 # use -1 or undef as default coordinates, not 0, 0 2544 # use -1 or undef as default coordinates, not 0, 0
1958 ($x, $y) = ($map->enter_x, $map->enter_y) 2545 ($x, $y) = ($map->enter_x, $map->enter_y)
1959 if $x <=0 && $y <= 0; 2546 if $x <=0 && $y <= 0;
1960 2547
1961 $map->load; 2548 $map->load;
1962 $map->load_diag; 2549 $map->load_neighbours;
1963 2550
1964 return unless $self->contr->active; 2551 return unless $self->contr->active;
1965 $self->activate_recursive;
1966 2552
1967 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2553 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968 $self->enter_map ($map, $x, $y); 2554 $self->enter_map ($map, $x, $y);
1969}
1970 2555
2556 # only activate afterwards, to support waiting in hooks
2557 $self->activate_recursive;
2558}
2559
1971=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2560=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972 2561
1973Moves the player to the given map-path and coordinates by first freezing 2562Moves the player to the given map-path and coordinates by first freezing
1974her, loading and preparing them map, calling the provided $check callback 2563her, loading and preparing them map, calling the provided $check callback
1975that has to return the map if sucecssful, and then unfreezes the player on 2564that has to return the map if sucecssful, and then unfreezes the player on
1976the new (success) or old (failed) map position. 2565the new (success) or old (failed) map position. In either case, $done will
2566be called at the end of this process.
2567
2568Note that $check will be called with a potentially non-loaded map, so if
2569it needs a loaded map it has to call C<< ->load >>.
1977 2570
1978=cut 2571=cut
1979 2572
1980our $GOTOGEN; 2573our $GOTOGEN;
1981 2574
1982sub cf::object::player::goto { 2575sub cf::object::player::goto {
1983 my ($self, $path, $x, $y, $check) = @_; 2576 my ($self, $path, $x, $y, $check, $done) = @_;
1984 2577
1985 # do generation counting so two concurrent goto's will be executed in-order 2578 # do generation counting so two concurrent goto's will be executed in-order
1986 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2579 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987 2580
1988 $self->enter_link; 2581 $self->enter_link;
1989 2582
1990 (async { 2583 (async {
2584 $Coro::current->{desc} = "player::goto $path $x $y";
2585
2586 # *tag paths override both path and x|y
2587 if ($path =~ /^\*(.*)$/) {
2588 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2589 my $ob = $obs[rand @obs];
2590
2591 # see if we actually can go there
2592 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2593 $ob = $obs[rand @obs];
2594 } else {
2595 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2596 }
2597 # else put us there anyways for now #d#
2598
2599 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2600 } else {
2601 ($path, $x, $y) = (undef, undef, undef);
2602 }
2603 }
2604
1991 my $map = eval { 2605 my $map = eval {
1992 my $map = cf::map::find $path; 2606 my $map = defined $path ? cf::map::find $path : undef;
1993 2607
1994 if ($map) { 2608 if ($map) {
1995 $map = $map->customise_for ($self); 2609 $map = $map->customise_for ($self);
1996 $map = $check->($map) if $check && $map; 2610 $map = $check->($map) if $check && $map;
1997 } else { 2611 } else {
1998 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2612 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999 } 2613 }
2000 2614
2001 $map 2615 $map
2002 }; 2616 };
2003 2617
… …
2008 2622
2009 if ($gen == $self->{_goto_generation}) { 2623 if ($gen == $self->{_goto_generation}) {
2010 delete $self->{_goto_generation}; 2624 delete $self->{_goto_generation};
2011 $self->leave_link ($map, $x, $y); 2625 $self->leave_link ($map, $x, $y);
2012 } 2626 }
2627
2628 $done->() if $done;
2013 })->prio (1); 2629 })->prio (1);
2014} 2630}
2015 2631
2016=item $player_object->enter_exit ($exit_object) 2632=item $player_object->enter_exit ($exit_object)
2017 2633
… …
2037} 2653}
2038 2654
2039sub prepare_random_map { 2655sub prepare_random_map {
2040 my ($exit) = @_; 2656 my ($exit) = @_;
2041 2657
2042 my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044 # all this does is basically replace the /! path by 2658 # all this does is basically replace the /! path by
2045 # a new random map path (?random/...) with a seed 2659 # a new random map path (?random/...) with a seed
2046 # that depends on the exit object 2660 # that depends on the exit object
2047 2661
2048 my $rmp = parse_random_map_params $exit->msg; 2662 my $rmp = parse_random_map_params $exit->msg;
… …
2050 if ($exit->map) { 2664 if ($exit->map) {
2051 $rmp->{region} = $exit->region->name; 2665 $rmp->{region} = $exit->region->name;
2052 $rmp->{origin_map} = $exit->map->path; 2666 $rmp->{origin_map} = $exit->map->path;
2053 $rmp->{origin_x} = $exit->x; 2667 $rmp->{origin_x} = $exit->x;
2054 $rmp->{origin_y} = $exit->y; 2668 $rmp->{origin_y} = $exit->y;
2669
2670 $exit->map->touch;
2055 } 2671 }
2056 2672
2057 $rmp->{random_seed} ||= $exit->random_seed; 2673 $rmp->{random_seed} ||= $exit->random_seed;
2058 2674
2059 my $data = cf::to_json $rmp; 2675 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060 my $md5 = Digest::MD5::md5_hex $data; 2676 my $md5 = Digest::MD5::md5_hex $data;
2061 my $meta = "$RANDOMDIR/$md5.meta"; 2677 my $meta = "$RANDOMDIR/$md5.meta";
2062 2678
2063 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2679 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064 aio_write $fh, 0, (length $data), $data, 0; 2680 aio_write $fh, 0, (length $data), $data, 0;
2065 undef $fh; 2681 undef $fh;
2066 aio_rename "$meta~", $meta; 2682 aio_rename "$meta~", $meta;
2067 2683
2684 my $slaying = "?random/$md5";
2685
2686 if ($exit->valid) {
2068 $exit->slaying ("?random/$md5"); 2687 $exit->slaying ("?random/$md5");
2069 $exit->msg (undef); 2688 $exit->msg (undef);
2689 }
2070 } 2690 }
2071} 2691}
2072 2692
2073sub cf::object::player::enter_exit { 2693sub cf::object::player::enter_exit {
2074 my ($self, $exit) = @_; 2694 my ($self, $exit) = @_;
2075 2695
2076 return unless $self->type == cf::PLAYER; 2696 return unless $self->type == cf::PLAYER;
2077 2697
2078 if ($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; 2698 $self->enter_link;
2090 2699
2091 (async { 2700 (async {
2092 $self->deactivate_recursive; # just to be sure 2701 $Coro::current->{desc} = "enter_exit";
2702
2093 unless (eval { 2703 unless (eval {
2704 $self->deactivate_recursive; # just to be sure
2705
2706 # random map handling
2707 {
2708 my $guard = cf::lock_acquire "exit_prepare:$exit";
2709
2710 prepare_random_map $exit
2711 if $exit->slaying eq "/!";
2712 }
2713
2714 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2715 my $x = $exit->stats->hp;
2716 my $y = $exit->stats->sp;
2717
2094 $self->goto ($slaying, $hp, $sp); 2718 $self->goto ($map, $x, $y);
2095 2719
2720 # if exit is damned, update players death & WoR home-position
2721 $self->contr->savebed ($map, $x, $y)
2722 if $exit->flag (cf::FLAG_DAMNED);
2723
2096 1; 2724 1
2097 }) { 2725 }) {
2098 $self->message ("Something went wrong deep within the crossfire server. " 2726 $self->message ("Something went wrong deep within the deliantra server. "
2099 . "I'll try to bring you back to the map you were before. " 2727 . "I'll try to bring you back to the map you were before. "
2100 . "Please report this to the dungeon master!", 2728 . "Please report this to the dungeon master!",
2101 cf::NDI_UNIQUE | cf::NDI_RED); 2729 cf::NDI_UNIQUE | cf::NDI_RED);
2102 2730
2103 warn "ERROR in enter_exit: $@"; 2731 warn "ERROR in enter_exit: $@";
… …
2122 2750
2123 utf8::encode $text; 2751 utf8::encode $text;
2124 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2752 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125} 2753}
2126 2754
2755=item $client->send_msg ($channel, $msg, $color, [extra...])
2756
2757Send a drawinfo or msg packet to the client, formatting the msg for the
2758client if neccessary. C<$type> should be a string identifying the type of
2759the message, with C<log> being the default. If C<$color> is negative, suppress
2760the message unless the client supports the msg packet.
2761
2762=cut
2763
2764# non-persistent channels (usually the info channel)
2765our %CHANNEL = (
2766 "c/identify" => {
2767 id => "infobox",
2768 title => "Identify",
2769 reply => undef,
2770 tooltip => "Items recently identified",
2771 },
2772 "c/examine" => {
2773 id => "infobox",
2774 title => "Examine",
2775 reply => undef,
2776 tooltip => "Signs and other items you examined",
2777 },
2778 "c/book" => {
2779 id => "infobox",
2780 title => "Book",
2781 reply => undef,
2782 tooltip => "The contents of a note or book",
2783 },
2784 "c/lookat" => {
2785 id => "infobox",
2786 title => "Look",
2787 reply => undef,
2788 tooltip => "What you saw there",
2789 },
2790 "c/who" => {
2791 id => "infobox",
2792 title => "Players",
2793 reply => undef,
2794 tooltip => "Shows players who are currently online",
2795 },
2796 "c/body" => {
2797 id => "infobox",
2798 title => "Body Parts",
2799 reply => undef,
2800 tooltip => "Shows which body parts you posess and are available",
2801 },
2802 "c/statistics" => {
2803 id => "infobox",
2804 title => "Statistics",
2805 reply => undef,
2806 tooltip => "Shows your primary statistics",
2807 },
2808 "c/skills" => {
2809 id => "infobox",
2810 title => "Skills",
2811 reply => undef,
2812 tooltip => "Shows your experience per skill and item power",
2813 },
2814 "c/shopitems" => {
2815 id => "infobox",
2816 title => "Shop Items",
2817 reply => undef,
2818 tooltip => "Shows the items currently for sale in this shop",
2819 },
2820 "c/resistances" => {
2821 id => "infobox",
2822 title => "Resistances",
2823 reply => undef,
2824 tooltip => "Shows your resistances",
2825 },
2826 "c/pets" => {
2827 id => "infobox",
2828 title => "Pets",
2829 reply => undef,
2830 tooltip => "Shows information abotu your pets/a specific pet",
2831 },
2832 "c/perceiveself" => {
2833 id => "infobox",
2834 title => "Perceive Self",
2835 reply => undef,
2836 tooltip => "You gained detailed knowledge about yourself",
2837 },
2838 "c/uptime" => {
2839 id => "infobox",
2840 title => "Uptime",
2841 reply => undef,
2842 tooltip => "How long the server has been running since last restart",
2843 },
2844 "c/mapinfo" => {
2845 id => "infobox",
2846 title => "Map Info",
2847 reply => undef,
2848 tooltip => "Information related to the maps",
2849 },
2850 "c/party" => {
2851 id => "party",
2852 title => "Party",
2853 reply => "gsay ",
2854 tooltip => "Messages and chat related to your party",
2855 },
2856 "c/death" => {
2857 id => "death",
2858 title => "Death",
2859 reply => undef,
2860 tooltip => "Reason for and more info about your most recent death",
2861 },
2862 "c/say" => $SAY_CHANNEL,
2863 "c/chat" => $CHAT_CHANNEL,
2864);
2865
2866sub cf::client::send_msg {
2867 my ($self, $channel, $msg, $color, @extra) = @_;
2868
2869 $msg = $self->pl->expand_cfpod ($msg)
2870 unless $color & cf::NDI_VERBATIM;
2871
2872 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873
2874 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) {
2876 $channel = $CHANNEL{$channel};
2877
2878 $self->ext_msg (channel_info => $channel);
2879 $channel = $channel->{id};
2880
2881 } elsif (ref $channel) {
2882 # send meta info to client, if not yet sent
2883 unless (exists $self->{channel}{$channel->{id}}) {
2884 $self->{channel}{$channel->{id}} = $channel;
2885 $self->ext_msg (channel_info => $channel);
2886 }
2887
2888 $channel = $channel->{id};
2889 }
2890
2891 return unless @extra || length $msg;
2892
2893 # default colour, mask it out
2894 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2895 if $color & cf::NDI_DEF;
2896
2897 my $pkt = "msg "
2898 . $self->{json_coder}->encode (
2899 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2900 );
2901
2902 # try lzf for large packets
2903 $pkt = "lzf " . Compress::LZF::compress $pkt
2904 if 1024 <= length $pkt and $self->{can_lzf};
2905
2906 # split very large packets
2907 if (8192 < length $pkt and $self->{can_lzf}) {
2908 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2909 $pkt = "frag";
2910 }
2911
2912 $self->send_packet ($pkt);
2913}
2914
2127=item $client->ext_event ($type, %msg) 2915=item $client->ext_msg ($type, @msg)
2128 2916
2129Sends an exti event to the client. 2917Sends an ext event to the client.
2130 2918
2131=cut 2919=cut
2132 2920
2133sub cf::client::ext_event($$%) { 2921sub cf::client::ext_msg($$@) {
2134 my ($self, $type, %msg) = @_; 2922 my ($self, $type, @msg) = @_;
2135 2923
2924 if ($self->extcmd == 2) {
2925 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2926 } elsif ($self->extcmd == 1) { # TODO: remove
2136 $msg{msgtype} = "event_$type"; 2927 push @msg, msgtype => "event_$type";
2137 $self->send_packet ("ext " . cf::to_json \%msg); 2928 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929 }
2930}
2931
2932=item $client->ext_reply ($msgid, @msg)
2933
2934Sends an ext reply to the client.
2935
2936=cut
2937
2938sub cf::client::ext_reply($$@) {
2939 my ($self, $id, @msg) = @_;
2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2943 } elsif ($self->extcmd == 1) {
2944 #TODO: version 1, remove
2945 unshift @msg, msgtype => "reply", msgid => $id;
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2138} 2948}
2139 2949
2140=item $success = $client->query ($flags, "text", \&cb) 2950=item $success = $client->query ($flags, "text", \&cb)
2141 2951
2142Queues a query to the client, calling the given callback with 2952Queues a query to the client, calling the given callback with
2143the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2953the 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>. 2954C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145 2955
2146Queries can fail, so check the return code. Or don't, as queries will become 2956Queries can fail, so check the return code. Or don't, as queries will
2147reliable at some point in the future. 2957become reliable at some point in the future.
2148 2958
2149=cut 2959=cut
2150 2960
2151sub cf::client::query { 2961sub cf::client::query {
2152 my ($self, $flags, $text, $cb) = @_; 2962 my ($self, $flags, $text, $cb) = @_;
… …
2160 utf8::encode $text; 2970 utf8::encode $text;
2161 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2971 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162 2972
2163 $self->send_packet ($self->{query_queue}[0][0]) 2973 $self->send_packet ($self->{query_queue}[0][0])
2164 if @{ $self->{query_queue} } == 1; 2974 if @{ $self->{query_queue} } == 1;
2975
2976 1
2165} 2977}
2166 2978
2167cf::client->attach ( 2979cf::client->attach (
2980 on_connect => sub {
2981 my ($ns) = @_;
2982
2983 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2984 },
2168 on_reply => sub { 2985 on_reply => sub {
2169 my ($ns, $msg) = @_; 2986 my ($ns, $msg) = @_;
2170 2987
2171 # this weird shuffling is so that direct followup queries 2988 # this weird shuffling is so that direct followup queries
2172 # get handled first 2989 # get handled first
… …
2184 } else { 3001 } else {
2185 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3002 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186 } 3003 }
2187 } 3004 }
2188 }, 3005 },
3006 on_exticmd => sub {
3007 my ($ns, $buf) = @_;
3008
3009 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3010
3011 if (ref $msg) {
3012 my ($type, $reply, @payload) =
3013 "ARRAY" eq ref $msg
3014 ? @$msg
3015 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3016
3017 my @reply;
3018
3019 if (my $cb = $EXTICMD{$type}) {
3020 @reply = $cb->($ns, @payload);
3021 }
3022
3023 $ns->ext_reply ($reply, @reply)
3024 if $reply;
3025
3026 } else {
3027 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3028 }
3029
3030 cf::override;
3031 },
2189); 3032);
2190 3033
2191=item $client->async (\&cb) 3034=item $client->async (\&cb)
2192 3035
2193Create a new coroutine, running the specified callback. The coroutine will 3036Create a new coroutine, running the specified callback. The coroutine will
… …
2234our $safe = new Safe "safe"; 3077our $safe = new Safe "safe";
2235our $safe_hole = new Safe::Hole; 3078our $safe_hole = new Safe::Hole;
2236 3079
2237$SIG{FPE} = 'IGNORE'; 3080$SIG{FPE} = 'IGNORE';
2238 3081
2239$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3082$safe->permit_only (Opcode::opset qw(
3083 :base_core :base_mem :base_orig :base_math
3084 grepstart grepwhile mapstart mapwhile
3085 sort time
3086));
2240 3087
2241# here we export the classes and methods available to script code 3088# here we export the classes and methods available to script code
2242 3089
2243=pod 3090=pod
2244 3091
2245The following functions and methods are available within a safe environment: 3092The following functions and methods are available within a safe environment:
2246 3093
2247 cf::object contr pay_amount pay_player map 3094 cf::object
3095 contr pay_amount pay_player map x y force_find force_add destroy
3096 insert remove name archname title slaying race decrease split
3097 value
3098
2248 cf::object::player player 3099 cf::object::player
2249 cf::player peaceful 3100 player
2250 cf::map trigger 3101
3102 cf::player
3103 peaceful
3104
3105 cf::map
3106 trigger
2251 3107
2252=cut 3108=cut
2253 3109
2254for ( 3110for (
2255 ["cf::object" => qw(contr pay_amount pay_player map)], 3111 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3112 insert remove inv nrof name archname title slaying race
3113 decrease split destroy change_exp value msg lore send_msg)],
2256 ["cf::object::player" => qw(player)], 3114 ["cf::object::player" => qw(player)],
2257 ["cf::player" => qw(peaceful)], 3115 ["cf::player" => qw(peaceful send_msg)],
2258 ["cf::map" => qw(trigger)], 3116 ["cf::map" => qw(trigger)],
2259) { 3117) {
2260 no strict 'refs'; 3118 no strict 'refs';
2261 my ($pkg, @funs) = @$_; 3119 my ($pkg, @funs) = @$_;
2262 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3120 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2279 my ($code, %vars) = @_; 3137 my ($code, %vars) = @_;
2280 3138
2281 my $qcode = $code; 3139 my $qcode = $code;
2282 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3140 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2283 $qcode =~ s/\n/\\n/g; 3141 $qcode =~ s/\n/\\n/g;
3142
3143 %vars = (_dummy => 0) unless %vars;
2284 3144
2285 local $_; 3145 local $_;
2286 local @safe::cf::_safe_eval_args = values %vars; 3146 local @safe::cf::_safe_eval_args = values %vars;
2287 3147
2288 my $eval = 3148 my $eval =
… …
2331=back 3191=back
2332 3192
2333=cut 3193=cut
2334 3194
2335############################################################################# 3195#############################################################################
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 $@;
2503 _exit 0;
2504 }
2505}
2506
2507#############################################################################
2508# the server's init and main functions 3196# the server's init and main functions
2509 3197
2510sub load_facedata($) { 3198sub load_facedata($) {
2511 my ($path) = @_; 3199 my ($path) = @_;
3200
3201 # HACK to clear player env face cache, we need some signal framework
3202 # for this (global event?)
3203 %ext::player_env::MUSIC_FACE_CACHE = ();
3204
3205 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512 3206
2513 warn "loading facedata from $path\n"; 3207 warn "loading facedata from $path\n";
2514 3208
2515 my $facedata; 3209 my $facedata;
2516 0 < aio_load $path, $facedata 3210 0 < aio_load $path, $facedata
… …
2519 $facedata = Coro::Storable::thaw $facedata; 3213 $facedata = Coro::Storable::thaw $facedata;
2520 3214
2521 $facedata->{version} == 2 3215 $facedata->{version} == 2
2522 or cf::cleanup "$path: version mismatch, cannot proceed."; 3216 or cf::cleanup "$path: version mismatch, cannot proceed.";
2523 3217
3218 # patch in the exptable
3219 $facedata->{resource}{"res/exp_table"} = {
3220 type => FT_RSRC,
3221 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3222 };
3223 cf::cede_to_tick;
3224
2524 { 3225 {
2525 my $faces = $facedata->{faceinfo}; 3226 my $faces = $facedata->{faceinfo};
2526 3227
2527 while (my ($face, $info) = each %$faces) { 3228 while (my ($face, $info) = each %$faces) {
2528 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3229 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3230
2529 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3231 cf::face::set_visibility $idx, $info->{visibility};
3232 cf::face::set_magicmap $idx, $info->{magicmap};
2530 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3233 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3234 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532 Coro::cede; 3235
3236 cf::cede_to_tick;
2533 } 3237 }
2534 3238
2535 while (my ($face, $info) = each %$faces) { 3239 while (my ($face, $info) = each %$faces) {
2536 next unless $info->{smooth}; 3240 next unless $info->{smooth};
3241
2537 my $idx = cf::face::find $face 3242 my $idx = cf::face::find $face
2538 or next; 3243 or next;
3244
2539 if (my $smooth = cf::face::find $info->{smooth}) { 3245 if (my $smooth = cf::face::find $info->{smooth}) {
3246 cf::face::set_smooth $idx, $smooth;
2540 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3247 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541 } else { 3248 } else {
2542 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3249 warn "smooth face '$info->{smooth}' not found for face '$face'";
2543 } 3250 }
2544 Coro::cede; 3251
3252 cf::cede_to_tick;
2545 } 3253 }
2546 } 3254 }
2547 3255
2548 { 3256 {
2549 my $anims = $facedata->{animinfo}; 3257 my $anims = $facedata->{animinfo};
2550 3258
2551 while (my ($anim, $info) = each %$anims) { 3259 while (my ($anim, $info) = each %$anims) {
2552 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3260 cf::anim::set $anim, $info->{frames}, $info->{facings};
2553 Coro::cede; 3261 cf::cede_to_tick;
2554 } 3262 }
2555 3263
2556 cf::anim::invalidate_all; # d'oh 3264 cf::anim::invalidate_all; # d'oh
2557 } 3265 }
2558 3266
3267 {
3268 # TODO: for gcfclient pleasure, we should give resources
3269 # that gcfclient doesn't grok a >10000 face index.
3270 my $res = $facedata->{resource};
3271
3272 while (my ($name, $info) = each %$res) {
3273 if (defined $info->{type}) {
3274 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3275 my $data;
3276
3277 if ($info->{type} & 1) {
3278 # prepend meta info
3279
3280 my $meta = $enc->encode ({
3281 name => $name,
3282 %{ $info->{meta} || {} },
3283 });
3284
3285 $data = pack "(w/a*)*", $meta, $info->{data};
3286 } else {
3287 $data = $info->{data};
3288 }
3289
3290 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3291 cf::face::set_type $idx, $info->{type};
3292 } else {
3293 $RESOURCE{$name} = $info;
3294 }
3295
3296 cf::cede_to_tick;
3297 }
3298 }
3299
3300 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3301
2559 1 3302 1
2560} 3303}
2561 3304
3305cf::global->attach (on_resource_update => sub {
3306 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3307 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3308
3309 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3310 my $sound = $soundconf->{compat}[$_]
3311 or next;
3312
3313 my $face = cf::face::find "sound/$sound->[1]";
3314 cf::sound::set $sound->[0] => $face;
3315 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3316 }
3317
3318 while (my ($k, $v) = each %{$soundconf->{event}}) {
3319 my $face = cf::face::find "sound/$v";
3320 cf::sound::set $k => $face;
3321 }
3322 }
3323});
3324
3325register_exticmd fx_want => sub {
3326 my ($ns, $want) = @_;
3327
3328 while (my ($k, $v) = each %$want) {
3329 $ns->fx_want ($k, $v);
3330 }
3331};
3332
3333sub load_resource_file($) {
3334 my $guard = lock_acquire "load_resource_file";
3335
3336 my $status = load_resource_file_ $_[0];
3337 get_slot 0.1, 100;
3338 cf::arch::commit_load;
3339
3340 $status
3341}
3342
2562sub reload_regions { 3343sub reload_regions {
3344 # HACK to clear player env face cache, we need some signal framework
3345 # for this (global event?)
3346 %ext::player_env::MUSIC_FACE_CACHE = ();
3347
2563 load_resource_file "$MAPDIR/regions" 3348 load_resource_file "$MAPDIR/regions"
2564 or die "unable to load regions file\n"; 3349 or die "unable to load regions file\n";
3350
3351 for (cf::region::list) {
3352 $_->{match} = qr/$_->{match}/
3353 if exists $_->{match};
3354 }
2565} 3355}
2566 3356
2567sub reload_facedata { 3357sub reload_facedata {
2568 load_facedata "$DATADIR/facedata" 3358 load_facedata "$DATADIR/facedata"
2569 or die "unable to load facedata\n"; 3359 or die "unable to load facedata\n";
… …
2580} 3370}
2581 3371
2582sub reload_resources { 3372sub reload_resources {
2583 warn "reloading resource files...\n"; 3373 warn "reloading resource files...\n";
2584 3374
3375 reload_facedata;
3376 reload_archetypes;
2585 reload_regions; 3377 reload_regions;
2586 reload_facedata;
2587 #reload_archetypes;#d#
2588 reload_archetypes;
2589 reload_treasures; 3378 reload_treasures;
2590 3379
2591 warn "finished reloading resource files\n"; 3380 warn "finished reloading resource files\n";
2592} 3381}
2593 3382
2594sub init { 3383sub reload_config {
2595 reload_resources;
2596}
2597
2598sub cfg_load {
2599 open my $fh, "<:utf8", "$CONFDIR/config" 3384 open my $fh, "<:utf8", "$CONFDIR/config"
2600 or return; 3385 or return;
2601 3386
2602 local $/; 3387 local $/;
2603 *CFG = YAML::Syck::Load <$fh>; 3388 *CFG = YAML::Load <$fh>;
2604 3389
2605 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3390 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606 3391
2607 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3392 $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}; 3393 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2614 }; 3399 };
2615 warn $@ if $@; 3400 warn $@ if $@;
2616 } 3401 }
2617} 3402}
2618 3403
3404sub pidfile() {
3405 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3406 or die "$PIDFILE: $!";
3407 flock $fh, &Fcntl::LOCK_EX
3408 or die "$PIDFILE: flock: $!";
3409 $fh
3410}
3411
3412# make sure only one server instance is running at any one time
3413sub atomic {
3414 my $fh = pidfile;
3415
3416 my $pid = <$fh>;
3417 kill 9, $pid if $pid > 0;
3418
3419 seek $fh, 0, 0;
3420 print $fh $$;
3421}
3422
3423sub main_loop {
3424 warn "EV::loop starting\n";
3425 if (1) {
3426 EV::loop;
3427 }
3428 warn "EV::loop returned\n";
3429 goto &main_loop unless $REALLY_UNLOOP;
3430}
3431
2619sub main { 3432sub main {
3433 cf::init_globals; # initialise logging
3434
3435 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3436 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3437 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3438 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3439
3440 cf::init_experience;
3441 cf::init_anim;
3442 cf::init_attackmess;
3443 cf::init_dynamic;
3444
3445 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3446
2620 # we must not ever block the main coroutine 3447 # we must not ever block the main coroutine
2621 local $Coro::idle = sub { 3448 local $Coro::idle = sub {
2622 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3449 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623 (async { 3450 (async {
2624 Event::one_event; 3451 $Coro::current->{desc} = "IDLE BUG HANDLER";
3452 EV::loop EV::LOOP_ONESHOT;
2625 })->prio (Coro::PRIO_MAX); 3453 })->prio (Coro::PRIO_MAX);
2626 }; 3454 };
2627 3455
2628 cfg_load; 3456 evthread_start IO::AIO::poll_fileno;
3457
3458 cf::sync_job {
3459 reload_resources;
3460 reload_config;
2629 db_init; 3461 db_init;
3462
3463 cf::load_settings;
3464 cf::load_materials;
3465 cf::init_uuid;
3466 cf::init_signals;
3467 cf::init_commands;
3468 cf::init_skills;
3469
3470 cf::init_beforeplay;
3471
3472 atomic;
3473
2630 load_extensions; 3474 load_extensions;
2631 3475
2632 $TICK_WATCHER->start; 3476 utime time, time, $RUNTIMEFILE;
2633 Event::loop; 3477
3478 # no (long-running) fork's whatsoever before this point(!)
3479 use POSIX ();
3480 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3481
3482 (pop @POST_INIT)->(0) while @POST_INIT;
3483 };
3484
3485 main_loop;
2634} 3486}
2635 3487
2636############################################################################# 3488#############################################################################
2637# initialisation and cleanup 3489# initialisation and cleanup
2638 3490
2639# install some emergency cleanup handlers 3491# install some emergency cleanup handlers
2640BEGIN { 3492BEGIN {
3493 our %SIGWATCHER = ();
2641 for my $signal (qw(INT HUP TERM)) { 3494 for my $signal (qw(INT HUP TERM)) {
2642 Event->signal ( 3495 $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"; 3496 cf::cleanup "SIG$signal";
2649 },
2650 ); 3497 };
3498 }
3499}
3500
3501sub write_runtime_sync {
3502 # first touch the runtime file to show we are still running:
3503 # the fsync below can take a very very long time.
3504
3505 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3506
3507 my $guard = cf::lock_acquire "write_runtime";
3508
3509 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = $cf::RUNTIME + 90 + 10;
3513 # 10 is the runtime save interval, for a monotonic clock
3514 # 60 allows for the watchdog to kill the server.
3515
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return;
3518
3519 # always fsync - this file is important
3520 aio_fsync $fh
3521 and return;
3522
3523 # touch it again to show we are up-to-date
3524 aio_utime $fh, undef, undef;
3525
3526 close $fh
3527 or return;
3528
3529 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3530 and return;
3531
3532 warn "runtime file written.\n";
3533
2651 } 3534 1
3535}
3536
3537our $uuid_lock;
3538our $uuid_skip;
3539
3540sub write_uuid_sync($) {
3541 $uuid_skip ||= $_[0];
3542
3543 return if $uuid_lock;
3544 local $uuid_lock = 1;
3545
3546 my $uuid = "$LOCALDIR/uuid";
3547
3548 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3549 or return;
3550
3551 my $value = uuid_seq uuid_cur;
3552
3553 unless ($value) {
3554 warn "cowardly refusing to write zero uuid value!\n";
3555 return;
3556 }
3557
3558 my $value = uuid_str $value + $uuid_skip;
3559 $uuid_skip = 0;
3560
3561 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3562 and return;
3563
3564 # always fsync - this file is important
3565 aio_fsync $fh
3566 and return;
3567
3568 close $fh
3569 or return;
3570
3571 aio_rename "$uuid~", $uuid
3572 and return;
3573
3574 warn "uuid file written ($value).\n";
3575
3576 1
3577
3578}
3579
3580sub write_uuid($$) {
3581 my ($skip, $sync) = @_;
3582
3583 $sync ? write_uuid_sync $skip
3584 : async { write_uuid_sync $skip };
2652} 3585}
2653 3586
2654sub emergency_save() { 3587sub emergency_save() {
2655 my $freeze_guard = cf::freeze_mainloop; 3588 my $freeze_guard = cf::freeze_mainloop;
2656 3589
2657 warn "enter emergency perl save\n"; 3590 warn "emergency_perl_save: enter\n";
2658 3591
2659 cf::sync_job { 3592 cf::sync_job {
3593 # this is a trade-off: we want to be very quick here, so
3594 # save all maps without fsync, and later call a global sync
3595 # (which in turn might be very very slow)
3596 local $USE_FSYNC = 0;
3597
2660 # use a peculiar iteration method to avoid tripping on perl 3598 # use a peculiar iteration method to avoid tripping on perl
2661 # refcount bugs in for. also avoids problems with players 3599 # refcount bugs in for. also avoids problems with players
2662 # and maps saved/destroyed asynchronously. 3600 # and maps saved/destroyed asynchronously.
2663 warn "begin emergency player save\n"; 3601 warn "emergency_perl_save: begin player save\n";
2664 for my $login (keys %cf::PLAYER) { 3602 for my $login (keys %cf::PLAYER) {
2665 my $pl = $cf::PLAYER{$login} or next; 3603 my $pl = $cf::PLAYER{$login} or next;
2666 $pl->valid or next; 3604 $pl->valid or next;
3605 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667 $pl->save; 3606 $pl->save;
2668 } 3607 }
2669 warn "end emergency player save\n"; 3608 warn "emergency_perl_save: end player save\n";
2670 3609
2671 warn "begin emergency map save\n"; 3610 warn "emergency_perl_save: begin map save\n";
2672 for my $path (keys %cf::MAP) { 3611 for my $path (keys %cf::MAP) {
2673 my $map = $cf::MAP{$path} or next; 3612 my $map = $cf::MAP{$path} or next;
2674 $map->valid or next; 3613 $map->valid or next;
2675 $map->save; 3614 $map->save;
2676 } 3615 }
2677 warn "end emergency map save\n"; 3616 warn "emergency_perl_save: end map save\n";
2678 3617
2679 warn "begin emergency database checkpoint\n"; 3618 warn "emergency_perl_save: begin database checkpoint\n";
2680 BDB::db_env_txn_checkpoint $DB_ENV; 3619 BDB::db_env_txn_checkpoint $DB_ENV;
2681 warn "end emergency database checkpoint\n"; 3620 warn "emergency_perl_save: end database checkpoint\n";
3621
3622 warn "emergency_perl_save: begin write uuid\n";
3623 write_uuid_sync 1;
3624 warn "emergency_perl_save: end write uuid\n";
2682 }; 3625 };
2683 3626
3627 warn "emergency_perl_save: starting sync()\n";
3628 IO::AIO::aio_sync sub {
3629 warn "emergency_perl_save: finished sync()\n";
3630 };
3631
2684 warn "leave emergency perl save\n"; 3632 warn "emergency_perl_save: leave\n";
2685} 3633}
2686 3634
2687sub post_cleanup { 3635sub post_cleanup {
2688 my ($make_core) = @_; 3636 my ($make_core) = @_;
2689 3637
2690 warn Carp::longmess "post_cleanup backtrace" 3638 warn Carp::longmess "post_cleanup backtrace"
2691 if $make_core; 3639 if $make_core;
3640
3641 my $fh = pidfile;
3642 unlink $PIDFILE if <$fh> == $$;
3643}
3644
3645# a safer delete_package, copied from Symbol
3646sub clear_package($) {
3647 my $pkg = shift;
3648
3649 # expand to full symbol table name if needed
3650 unless ($pkg =~ /^main::.*::$/) {
3651 $pkg = "main$pkg" if $pkg =~ /^::/;
3652 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3653 $pkg .= '::' unless $pkg =~ /::$/;
3654 }
3655
3656 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3657 my $stem_symtab = *{$stem}{HASH};
3658
3659 defined $stem_symtab and exists $stem_symtab->{$leaf}
3660 or return;
3661
3662 # clear all symbols
3663 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3664 for my $name (keys %$leaf_symtab) {
3665 _gv_clear *{"$pkg$name"};
3666# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3667 }
3668 warn "cleared package $pkg\n";#d#
2692} 3669}
2693 3670
2694sub do_reload_perl() { 3671sub do_reload_perl() {
2695 # can/must only be called in main 3672 # can/must only be called in main
2696 if ($Coro::current != $Coro::main) { 3673 if ($Coro::current != $Coro::main) {
2697 warn "can only reload from main coroutine"; 3674 warn "can only reload from main coroutine";
2698 return; 3675 return;
2699 } 3676 }
2700 3677
3678 return if $RELOAD++;
3679
3680 my $t1 = EV::time;
3681
3682 while ($RELOAD) {
2701 warn "reloading..."; 3683 warn "reloading...";
2702 3684
2703 warn "entering sync_job"; 3685 warn "entering sync_job";
2704 3686
2705 cf::sync_job { 3687 cf::sync_job {
2706 cf::write_runtime; # external watchdog should not bark 3688 cf::write_runtime_sync; # external watchdog should not bark
2707 cf::emergency_save; 3689 cf::emergency_save;
2708 cf::write_runtime; # external watchdog should not bark 3690 cf::write_runtime_sync; # external watchdog should not bark
2709 3691
2710 warn "syncing database to disk"; 3692 warn "syncing database to disk";
2711 BDB::db_env_txn_checkpoint $DB_ENV; 3693 BDB::db_env_txn_checkpoint $DB_ENV;
2712 3694
2713 # if anything goes wrong in here, we should simply crash as we already saved 3695 # if anything goes wrong in here, we should simply crash as we already saved
2714 3696
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"; 3697 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; 3698 while (IO::AIO::nreqs || BDB::nreqs) {
2726 warn "iterate..."; 3699 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 } 3700 }
2751 3701
2752 warn "... nuking $pkg"; 3702 warn "cancelling all extension coros";
2753 Symbol::delete_package $pkg; 3703 $_->cancel for values %EXT_CORO;
2754 } 3704 %EXT_CORO = ();
2755 3705
2756 warn "unloading all perl modules loaded from $LIBDIR"; 3706 warn "removing commands";
2757 while (my ($k, $v) = each %INC) { 3707 %COMMAND = ();
2758 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759 3708
3709 warn "removing ext/exti commands";
3710 %EXTCMD = ();
3711 %EXTICMD = ();
3712
3713 warn "unloading/nuking all extensions";
3714 for my $pkg (@EXTS) {
2760 warn "... unloading $k"; 3715 warn "... unloading $pkg";
2761 delete $INC{$k};
2762 3716
2763 $k =~ s/\.pm$//;
2764 $k =~ s/\//::/g;
2765
2766 if (my $cb = $k->can ("unload_module")) { 3717 if (my $cb = $pkg->can ("unload")) {
3718 eval {
2767 $cb->(); 3719 $cb->($pkg);
3720 1
3721 } or warn "$pkg unloaded, but with errors: $@";
3722 }
3723
3724 warn "... clearing $pkg";
3725 clear_package $pkg;
2768 } 3726 }
2769 3727
2770 Symbol::delete_package $k; 3728 warn "unloading all perl modules loaded from $LIBDIR";
3729 while (my ($k, $v) = each %INC) {
3730 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3731
3732 warn "... unloading $k";
3733 delete $INC{$k};
3734
3735 $k =~ s/\.pm$//;
3736 $k =~ s/\//::/g;
3737
3738 if (my $cb = $k->can ("unload_module")) {
3739 $cb->();
3740 }
3741
3742 clear_package $k;
2771 } 3743 }
2772 3744
2773 warn "getting rid of safe::, as good as possible"; 3745 warn "getting rid of safe::, as good as possible";
2774 Symbol::delete_package "safe::$_" 3746 clear_package "safe::$_"
2775 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3747 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776 3748
2777 warn "unloading cf.pm \"a bit\""; 3749 warn "unloading cf.pm \"a bit\"";
2778 delete $INC{"cf.pm"}; 3750 delete $INC{"cf.pm"};
2779 delete $INC{"cf/pod.pm"}; 3751 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780 3752
2781 # don't, removes xs symbols, too, 3753 # don't, removes xs symbols, too,
2782 # and global variables created in xs 3754 # and global variables created in xs
2783 #Symbol::delete_package __PACKAGE__; 3755 #clear_package __PACKAGE__;
2784 3756
2785 warn "unload completed, starting to reload now"; 3757 warn "unload completed, starting to reload now";
2786 3758
2787 warn "reloading cf.pm"; 3759 warn "reloading cf.pm";
2788 require cf; 3760 require cf;
2789 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3761 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790 3762
2791 warn "loading config and database again"; 3763 warn "loading config and database again";
2792 cf::cfg_load; 3764 cf::reload_config;
2793 3765
2794 warn "loading extensions"; 3766 warn "loading extensions";
2795 cf::load_extensions; 3767 cf::load_extensions;
2796 3768
3769 if ($REATTACH_ON_RELOAD) {
2797 warn "reattaching attachments to objects/players"; 3770 warn "reattaching attachments to objects/players";
2798 _global_reattach; # objects, sockets 3771 _global_reattach; # objects, sockets
2799 warn "reattaching attachments to maps"; 3772 warn "reattaching attachments to maps";
2800 reattach $_ for values %MAP; 3773 reattach $_ for values %MAP;
2801 warn "reattaching attachments to players"; 3774 warn "reattaching attachments to players";
2802 reattach $_ for values %PLAYER; 3775 reattach $_ for values %PLAYER;
3776 }
2803 3777
3778 warn "running post_init jobs";
3779 (pop @POST_INIT)->(1) while @POST_INIT;
3780
2804 warn "leaving sync_job"; 3781 warn "leaving sync_job";
2805 3782
2806 1 3783 1
2807 } or do { 3784 } or do {
2808 warn $@; 3785 warn $@;
2809 warn "error while reloading, exiting."; 3786 cf::cleanup "error while reloading, exiting.";
2810 exit 1;
2811 }; 3787 };
2812 3788
2813 warn "reloaded"; 3789 warn "reloaded";
3790 --$RELOAD;
3791 }
3792
3793 $t1 = EV::time - $t1;
3794 warn "reload completed in ${t1}s\n";
2814}; 3795};
2815 3796
2816our $RELOAD_WATCHER; # used only during reload 3797our $RELOAD_WATCHER; # used only during reload
2817 3798
2818sub reload_perl() { 3799sub reload_perl() {
2819 # doing reload synchronously and two reloads happen back-to-back, 3800 # doing reload synchronously and two reloads happen back-to-back,
2820 # coro crashes during coro_state_free->destroy here. 3801 # coro crashes during coro_state_free->destroy here.
2821 3802
2822 $RELOAD_WATCHER ||= Event->timer ( 3803 $RELOAD_WATCHER ||= cf::async {
2823 reentrant => 0, 3804 Coro::AIO::aio_wait cache_extensions;
2824 after => 0, 3805
2825 data => WF_AUTOCANCEL, 3806 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2826 cb => sub {
2827 do_reload_perl; 3807 do_reload_perl;
2828 undef $RELOAD_WATCHER; 3808 undef $RELOAD_WATCHER;
2829 }, 3809 };
2830 ); 3810 };
2831} 3811}
2832 3812
2833register_command "reload" => sub { 3813register_command "reload" => sub {
2834 my ($who, $arg) = @_; 3814 my ($who, $arg) = @_;
2835 3815
2836 if ($who->flag (FLAG_WIZ)) { 3816 if ($who->flag (FLAG_WIZ)) {
2837 $who->message ("reloading server."); 3817 $who->message ("reloading server.");
3818 async {
3819 $Coro::current->{desc} = "perl_reload";
2838 async { reload_perl }; 3820 reload_perl;
3821 };
2839 } 3822 }
2840}; 3823};
2841 3824
2842unshift @INC, $LIBDIR; 3825unshift @INC, $LIBDIR;
2843 3826
… …
2845 3828
2846our @WAIT_FOR_TICK; 3829our @WAIT_FOR_TICK;
2847our @WAIT_FOR_TICK_BEGIN; 3830our @WAIT_FOR_TICK_BEGIN;
2848 3831
2849sub wait_for_tick { 3832sub wait_for_tick {
2850 return unless $TICK_WATCHER->is_active;
2851 return if $Coro::current == $Coro::main; 3833 return if tick_inhibit || $Coro::current == $Coro::main;
2852 3834
2853 my $signal = new Coro::Signal; 3835 my $signal = new Coro::Signal;
2854 push @WAIT_FOR_TICK, $signal; 3836 push @WAIT_FOR_TICK, $signal;
2855 $signal->wait; 3837 $signal->wait;
2856} 3838}
2857 3839
2858sub wait_for_tick_begin { 3840sub wait_for_tick_begin {
2859 return unless $TICK_WATCHER->is_active;
2860 return if $Coro::current == $Coro::main; 3841 return if tick_inhibit || $Coro::current == $Coro::main;
2861 3842
2862 my $signal = new Coro::Signal; 3843 my $signal = new Coro::Signal;
2863 push @WAIT_FOR_TICK_BEGIN, $signal; 3844 push @WAIT_FOR_TICK_BEGIN, $signal;
2864 $signal->wait; 3845 $signal->wait;
2865} 3846}
2866 3847
2867 my $min = 1e6;#d# 3848sub 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) { 3849 if ($Coro::current != $Coro::main) {
2877 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3850 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878 unless ++$bug_warning > 10; 3851 unless ++$bug_warning > 10;
2879 return; 3852 return;
2880 } 3853 }
2881 3854
2882 $NOW = $tick_start = Event::time;
2883
2884 cf::server_tick; # one server iteration 3855 cf::server_tick; # one server iteration
2885 3856
2886 0 && sync_job {#d# 3857 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887 for(1..10) { 3858 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888 my $t = Event::time; 3859 Coro::async_pool {
2889 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3860 $Coro::current->{desc} = "runtime saver";
2890 or die; 3861 write_runtime_sync
2891 3862 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 }; 3863 };
3864 }
2908 3865
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) { 3866 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924 $sig->send; 3867 $sig->send;
2925 } 3868 }
2926 while (my $sig = shift @WAIT_FOR_TICK) { 3869 while (my $sig = shift @WAIT_FOR_TICK) {
2927 $sig->send; 3870 $sig->send;
2928 } 3871 }
2929 3872
2930 $NOW = Event::time; 3873 $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; 3874 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940 3875
2941 _post_tick; 3876 if (0) {
2942 3877 if ($NEXT_TICK) {
2943 3878 my $jitter = $TICK_START - $NEXT_TICK;
3879 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3880 warn "jitter $JITTER\n";#d#
3881 }
2944 }, 3882 }
2945); 3883}
2946 3884
2947{ 3885{
2948 BDB::max_poll_time $TICK * 0.1; 3886 # configure BDB
2949 $BDB_POLL_WATCHER = Event->io ( 3887
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; 3888 BDB::min_parallel 8;
2958 3889 BDB::max_poll_reqs $TICK * 0.1;
2959 BDB::set_sync_prepare { 3890 $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 3891
2974 unless ($DB_ENV) { 3892 unless ($DB_ENV) {
2975 $DB_ENV = BDB::db_env_create; 3893 $DB_ENV = BDB::db_env_create;
3894 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3895 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3896 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3897 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3898 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976 3899
2977 cf::sync_job { 3900 cf::sync_job {
2978 eval { 3901 eval {
2979 BDB::db_env_open 3902 BDB::db_env_open
2980 $DB_ENV, 3903 $DB_ENV,
… …
2982 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3905 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3906 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984 0666; 3907 0666;
2985 3908
2986 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3909 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 }; 3910 };
2991 3911
2992 cf::cleanup "db_env_open(db): $@" if $@; 3912 cf::cleanup "db_env_open(db): $@" if $@;
2993 }; 3913 };
2994 } 3914 }
3915
3916 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3917 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3918 };
3919 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3920 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3921 };
3922 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3923 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3924 };
2995} 3925}
2996 3926
2997{ 3927{
3928 # configure IO::AIO
3929
2998 IO::AIO::min_parallel 8; 3930 IO::AIO::min_parallel 8;
2999
3000 undef $Coro::AIO::WATCHER;
3001 IO::AIO::max_poll_time $TICK * 0.1; 3931 IO::AIO::max_poll_time $TICK * 0.1;
3002 $AIO_POLL_WATCHER = Event->io ( 3932 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} 3933}
3011 3934
3012my $_log_backtrace; 3935my $_log_backtrace;
3013 3936
3014sub _log_backtrace { 3937sub _log_backtrace {
… …
3017 $msg =~ s/\n//; 3940 $msg =~ s/\n//;
3018 3941
3019 # limit the # of concurrent backtraces 3942 # limit the # of concurrent backtraces
3020 if ($_log_backtrace < 2) { 3943 if ($_log_backtrace < 2) {
3021 ++$_log_backtrace; 3944 ++$_log_backtrace;
3945 my $perl_bt = Carp::longmess $msg;
3022 async { 3946 async {
3947 $Coro::current->{desc} = "abt $msg";
3948
3023 my @bt = fork_call { 3949 my @bt = fork_call {
3024 @addr = map { sprintf "%x", $_ } @addr; 3950 @addr = map { sprintf "%x", $_ } @addr;
3025 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3951 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3952 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027 or die "addr2line: $!"; 3953 or die "addr2line: $!";
… …
3035 } 3961 }
3036 3962
3037 @funcs 3963 @funcs
3038 }; 3964 };
3039 3965
3040 LOG llevInfo, "[ABT] $msg\n"; 3966 LOG llevInfo, "[ABT] $perl_bt\n";
3967 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041 LOG llevInfo, "[ABT] $_\n" for @bt; 3968 LOG llevInfo, "[ABT] $_\n" for @bt;
3042 --$_log_backtrace; 3969 --$_log_backtrace;
3043 }; 3970 };
3044 } else { 3971 } else {
3045 LOG llevInfo, "[ABT] $msg\n"; 3972 LOG llevInfo, "[ABT] $msg\n";
3046 LOG llevInfo, "[ABT] [suppressed]\n"; 3973 LOG llevInfo, "[ABT] [suppressed]\n";
3047 } 3974 }
3048} 3975}
3049 3976
3050# load additional modules 3977# load additional modules
3051use cf::pod; 3978require "cf/$_.pm" for @EXTRA_MODULES;
3052 3979
3053END { cf::emergency_save } 3980END { cf::emergency_save }
3054 3981
30551 39821
3056 3983

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