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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "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
15use Coro 3.61 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
24 50
51use JSON::XS 2.01 ();
25use BDB (); 52use BDB ();
26use Data::Dumper; 53use Data::Dumper;
27use Digest::MD5; 54use Digest::MD5;
28use Fcntl; 55use Fcntl;
29use YAML::Syck (); 56use YAML ();
30use IO::AIO 2.32 (); 57use IO::AIO ();
31use Time::HiRes; 58use Time::HiRes;
32use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44 68
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71{
72 # very ugly, but ensure we acquire the storable lock
73
74 sub net_mstore {
75 my $guard = Coro::Storable::guard;
76 &Storable::net_mstore
77 }
78
79 sub mretrieve {
80 my $guard = Coro::Storable::guard;
81 &Storable::mretrieve
82 }
83
84 Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
85 Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
86}
46 87
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 88sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 89
49our %COMMAND = (); 90our %COMMAND = ();
50our %COMMAND_TIME = (); 91our %COMMAND_TIME = ();
51 92
52our @EXTS = (); # list of extension package names 93our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 94our %EXTCMD = ();
95our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 96our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 97our %EXT_MAP = (); # pluggable maps
56 98
57our $RELOAD; # number of reloads so far 99our $RELOAD; # number of reloads so far
58our @EVENT; 100our @EVENT;
59 101
60our $CONFDIR = confdir; 102our $CONFDIR = confdir;
61our $DATADIR = datadir; 103our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 104our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 105our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 106our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 107our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 108our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 109our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 110our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 111our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 112our $BDBDIR = "$LOCALDIR/db";
113our $PIDFILE = "$LOCALDIR/pid";
114our $RUNTIMEFILE = "$LOCALDIR/runtime";
115
116our %RESOURCE;
71 117
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 118our $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 119our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 120our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 121our $USE_FSYNC = 1; # use fsync to write maps - default off
79 122
123our $BDB_DEADLOCK_WATCHER;
124our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 125our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 126our $DB_ENV;
82 127
83our %CFG; 128our %CFG;
84 129
85our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 131our $RUNTIME;
132our $NOW;
87 133
88our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
91 137
92# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 140
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 144our $TICK_START; # for load detecting purposes
98 145
99binmode STDOUT; 146binmode STDOUT;
100binmode STDERR; 147binmode STDERR;
101 148
102# read virtual server time, if available 149# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 150unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 151 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 152 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 153 $RUNTIME = <$fh> + 0.;
107} 154}
108 155
109mkdir $_ 156mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 157 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
155 202
156The raw value load value from the last tick. 203The raw value load value from the last tick.
157 204
158=item %cf::CFG 205=item %cf::CFG
159 206
160Configuration for the server, loaded from C</etc/crossfire/config>, or 207Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 208from wherever your confdir points to.
162 209
163=item cf::wait_for_tick, cf::wait_for_tick_begin 210=item cf::wait_for_tick, cf::wait_for_tick_begin
164 211
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 212These 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 213returns 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. 214per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 215
216=item @cf::INVOKE_RESULTS
217
218This array contains the results of the last C<invoke ()> call. When
219C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
220that call.
221
169=back 222=back
170 223
171=cut 224=cut
172 225
173BEGIN { 226BEGIN {
… …
177 $msg .= "\n" 230 $msg .= "\n"
178 unless $msg =~ /\n$/; 231 unless $msg =~ /\n$/;
179 232
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 233 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 234
182 utf8::encode $msg;
183 LOG llevError, $msg; 235 LOG llevError, $msg;
184 }; 236 };
185} 237}
238
239$Coro::State::DIEHOOK = sub {
240 return unless $^S eq 0; # "eq", not "=="
241
242 if ($Coro::current == $Coro::main) {#d#
243 warn "DIEHOOK called in main context, Coro bug?\n";#d#
244 return;#d#
245 }#d#
246
247 # kill coroutine otherwise
248 warn Carp::longmess $_[0];
249 Coro::terminate
250};
251
252$SIG{__DIE__} = sub { }; #d#?
186 253
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 254@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 255@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 256@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 257@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 258@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
259@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 260@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 261
194# we bless all objects into (empty) derived classes to force a method lookup 262# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 263# within the Safe compartment.
196for my $pkg (qw( 264for my $pkg (qw(
197 cf::global cf::attachable 265 cf::global cf::attachable
198 cf::object cf::object::player 266 cf::object cf::object::player
199 cf::client cf::player 267 cf::client cf::player
200 cf::arch cf::living 268 cf::arch cf::living
269 cf::map cf::mapspace
201 cf::map cf::party cf::region 270 cf::party cf::region
202)) { 271)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 272 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 273}
206 274
207$Event::DIED = sub { 275$EV::DIED = sub {
208 warn "error in event callback: @_"; 276 warn "error in event callback: @_";
209}; 277};
278
279#############################################################################
210 280
211=head2 UTILITY FUNCTIONS 281=head2 UTILITY FUNCTIONS
212 282
213=over 4 283=over 4
214 284
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 303 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 304 $d
235 } || "[unable to dump $_[0]: '$@']"; 305 } || "[unable to dump $_[0]: '$@']";
236} 306}
237 307
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 308=item $ref = cf::decode_json $json
241 309
242Converts a JSON string into the corresponding perl data structure. 310Converts a JSON string into the corresponding perl data structure.
243 311
244=item $json = cf::to_json $ref 312=item $json = cf::encode_json $ref
245 313
246Converts a perl data structure into its JSON representation. 314Converts a perl data structure into its JSON representation.
315
316=cut
317
318our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
319
320sub encode_json($) { $json_coder->encode ($_[0]) }
321sub decode_json($) { $json_coder->decode ($_[0]) }
247 322
248=item cf::lock_wait $string 323=item cf::lock_wait $string
249 324
250Wait until the given lock is available. See cf::lock_acquire. 325Wait until the given lock is available. See cf::lock_acquire.
251 326
… …
254Wait until the given lock is available and then acquires it and returns 329Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 330a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 331for example when the coroutine gets canceled), the lock is automatically
257returned. 332returned.
258 333
334Locks are *not* recursive, locking from the same coro twice results in a
335deadlocked coro.
336
259Lock names should begin with a unique identifier (for example, cf::map::find 337Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 338uses map_find and cf::map::load uses map_load).
261 339
262=item $locked = cf::lock_active $string 340=item $locked = cf::lock_active $string
263 341
264Return true if the lock is currently active, i.e. somebody has locked it. 342Return true if the lock is currently active, i.e. somebody has locked it.
265 343
266=cut 344=cut
267 345
268our %LOCK; 346our %LOCK;
347our %LOCKER;#d#
269 348
270sub lock_wait($) { 349sub lock_wait($) {
271 my ($key) = @_; 350 my ($key) = @_;
351
352 if ($LOCKER{$key} == $Coro::current) {#d#
353 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
354 return;#d#
355 }#d#
272 356
273 # wait for lock, if any 357 # wait for lock, if any
274 while ($LOCK{$key}) { 358 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 359 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 360 Coro::schedule;
… …
282 366
283 # wait, to be sure we are not locked 367 # wait, to be sure we are not locked
284 lock_wait $key; 368 lock_wait $key;
285 369
286 $LOCK{$key} = []; 370 $LOCK{$key} = [];
371 $LOCKER{$key} = $Coro::current;#d#
287 372
288 Coro::guard { 373 Coro::guard {
374 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 375 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 376 $_->ready for @{ delete $LOCK{$key} };
291 } 377 }
292} 378}
293 379
… …
296 382
297 ! ! $LOCK{$key} 383 ! ! $LOCK{$key}
298} 384}
299 385
300sub freeze_mainloop { 386sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 387 tick_inhibit_inc;
302 388
303 my $guard = Coro::guard { 389 Coro::guard \&tick_inhibit_dec;
304 $TICK_WATCHER->start; 390}
391
392=item cf::periodic $interval, $cb
393
394Like EV::periodic, but randomly selects a starting point so that the actions
395get spread over timer.
396
397=cut
398
399sub periodic($$) {
400 my ($interval, $cb) = @_;
401
402 my $start = rand List::Util::min 180, $interval;
403
404 EV::periodic $start, $interval, 0, $cb
405}
406
407=item cf::get_slot $time[, $priority[, $name]]
408
409Allocate $time seconds of blocking CPU time at priority C<$priority>:
410This call blocks and returns only when you have at least C<$time> seconds
411of cpu time till the next tick. The slot is only valid till the next cede.
412
413The optional C<$name> can be used to identify the job to run. It might be
414used for statistical purposes and should identify the same time-class.
415
416Useful for short background jobs.
417
418=cut
419
420our @SLOT_QUEUE;
421our $SLOT_QUEUE;
422
423$SLOT_QUEUE->cancel if $SLOT_QUEUE;
424$SLOT_QUEUE = Coro::async {
425 $Coro::current->desc ("timeslot manager");
426
427 my $signal = new Coro::Signal;
428
429 while () {
430 next_job:
431 my $avail = cf::till_tick;
432 if ($avail > 0.01) {
433 for (0 .. $#SLOT_QUEUE) {
434 if ($SLOT_QUEUE[$_][0] < $avail) {
435 my $job = splice @SLOT_QUEUE, $_, 1, ();
436 $job->[2]->send;
437 Coro::cede;
438 goto next_job;
439 }
440 }
441 }
442
443 if (@SLOT_QUEUE) {
444 # we do not use wait_for_tick() as it returns immediately when tick is inactive
445 push @cf::WAIT_FOR_TICK, $signal;
446 $signal->wait;
447 } else {
448 Coro::schedule;
449 }
305 }; 450 }
306 $TICK_WATCHER->stop; 451};
307 $guard 452
453sub get_slot($;$$) {
454 return if tick_inhibit || $Coro::current == $Coro::main;
455
456 my ($time, $pri, $name) = @_;
457
458 $time = $TICK * .6 if $time > $TICK * .6;
459 my $sig = new Coro::Signal;
460
461 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
462 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
463 $SLOT_QUEUE->ready;
464 $sig->wait;
308} 465}
309 466
310=item cf::async { BLOCK } 467=item cf::async { BLOCK }
311 468
312Currently the same as Coro::async_pool, meaning you cannot use 469Currently the same as Coro::async_pool, meaning you cannot use
… …
317 474
318BEGIN { *async = \&Coro::async_pool } 475BEGIN { *async = \&Coro::async_pool }
319 476
320=item cf::sync_job { BLOCK } 477=item cf::sync_job { BLOCK }
321 478
322The design of crossfire+ requires that the main coro ($Coro::main) is 479The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 480is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 481partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
482acceptable.
325 483
326If it must be done, put the blocking parts into C<sync_job>. This will run 484If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 485the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 486server will be frozen during this time, so the block should either finish
329fast or be very important. 487fast or be very important.
… …
332 490
333sub sync_job(&) { 491sub sync_job(&) {
334 my ($job) = @_; 492 my ($job) = @_;
335 493
336 if ($Coro::current == $Coro::main) { 494 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 495 my $time = EV::time;
338 496
339 # this is the main coro, too bad, we have to block 497 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 498 # till the operation succeeds, freezing the server :/
341 499
342 # TODO: use suspend/resume instead 500 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 501
344 my $freeze_guard = freeze_mainloop; 502 my $freeze_guard = freeze_mainloop;
345 503
346 my $busy = 1; 504 my $busy = 1;
347 my @res; 505 my @res;
348 506
349 (async { 507 (async {
508 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 509 @res = eval { $job->() };
351 warn $@ if $@; 510 warn $@ if $@;
352 undef $busy; 511 undef $busy;
353 })->prio (Coro::PRIO_MAX); 512 })->prio (Coro::PRIO_MAX);
354 513
355 while ($busy) { 514 while ($busy) {
356 Coro::cede or Event::one_event; 515 if (Coro::nready) {
516 Coro::cede_notself;
517 } else {
518 EV::loop EV::LOOP_ONESHOT;
357 } 519 }
520 }
358 521
359 $time = Event::time - $time; 522 my $time = EV::time - $time;
360 523
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 524 $TICK_START += $time; # do not account sync jobs to server load
365 525
366 wantarray ? @res : $res[0] 526 wantarray ? @res : $res[0]
367 } else { 527 } else {
368 # we are in another coroutine, how wonderful, everything just works 528 # we are in another coroutine, how wonderful, everything just works
369 529
… …
389 $EXT_CORO{$coro+0} = $coro; 549 $EXT_CORO{$coro+0} = $coro;
390 550
391 $coro 551 $coro
392} 552}
393 553
394sub write_runtime { 554=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 555
397 # first touch the runtime file to show we are still running: 556Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 557process, returning the results. Everything must be serialisable with
558Coro::Storable. May, of course, block. Note that the executed sub may
559never block itself or use any form of event handling.
399 560
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 561=cut
401 utime undef, undef, $fh; 562
563sub fork_call(&@) {
564 my ($cb, @args) = @_;
565
566 # we seemingly have to make a local copy of the whole thing,
567 # otherwise perl prematurely frees the stuff :/
568 # TODO: investigate and fix (likely this will be rather laborious)
569
570 my @res = Coro::Util::fork_eval {
571 reset_signals;
572 &$cb
573 }, @args;
574
575 wantarray ? @res : $res[-1]
576}
577
578=item $coin = coin_from_name $name
579
580=cut
581
582our %coin_alias = (
583 "silver" => "silvercoin",
584 "silvercoin" => "silvercoin",
585 "silvercoins" => "silvercoin",
586 "gold" => "goldcoin",
587 "goldcoin" => "goldcoin",
588 "goldcoins" => "goldcoin",
589 "platinum" => "platinacoin",
590 "platinumcoin" => "platinacoin",
591 "platinumcoins" => "platinacoin",
592 "platina" => "platinacoin",
593 "platinacoin" => "platinacoin",
594 "platinacoins" => "platinacoin",
595 "royalty" => "royalty",
596 "royalties" => "royalty",
597);
598
599sub coin_from_name($) {
600 $coin_alias{$_[0]}
601 ? cf::arch::find $coin_alias{$_[0]}
602 : undef
603}
604
605=item $value = cf::db_get $family => $key
606
607Returns a single value from the environment database.
608
609=item cf::db_put $family => $key => $value
610
611Stores the given C<$value> in the family. It can currently store binary
612data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
613
614=item $db = cf::db_table "name"
615
616Create and/or open a new database table. The string must not be "db" and must be unique
617within each server.
618
619=cut
620
621sub db_table($) {
622 my ($name) = @_;
623 my $db = BDB::db_create $DB_ENV;
624
625 eval {
626 $db->set_flags (BDB::CHKSUM);
627
628 utf8::encode $name;
629 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
630 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
631 cf::cleanup "db_open(db): $!" if $!;
402 } 632 };
633 cf::cleanup "db_open(db): $@" if $@;
403 634
404 my $guard = cf::lock_acquire "write_runtime"; 635 $db
636}
405 637
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 638our $DB;
407 or return;
408 639
409 my $value = $cf::RUNTIME + 90 + 10; 640sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 641 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 642 $DB ||= db_table "db";
643 };
644}
412 645
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 646sub db_get($$) {
414 and return; 647 my $key = "$_[0]/$_[1]";
415 648
416 # always fsync - this file is important 649 cf::sync_job {
417 aio_fsync $fh 650 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 651
420 # touch it again to show we are up-to-date 652 $! ? ()
421 utime undef, undef, $fh; 653 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 654 }
655}
656
657sub db_put($$$) {
658 BDB::dbreq_pri 4;
659 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
660}
661
662=item cf::cache $id => [$paths...], $processversion => $process
663
664Generic caching function that returns the value of the resource $id,
665caching and regenerating as required.
666
667This function can block.
668
669=cut
670
671sub cache {
672 my ($id, $src, $processversion, $process) = @_;
673
674 my $meta =
675 join "\x00",
676 $processversion,
677 map {
678 aio_stat $_
679 and Carp::croak "$_: $!";
680
681 ($_, (stat _)[7,9])
682 } @$src;
683
684 my $dbmeta = db_get cache => "$id/meta";
685 if ($dbmeta ne $meta) {
686 # changed, we may need to process
687
688 my @data;
689 my $md5;
690
691 for (0 .. $#$src) {
692 0 <= aio_load $src->[$_], $data[$_]
693 or Carp::croak "$src->[$_]: $!";
694 }
695
696 # if processing is expensive, check
697 # checksum first
698 if (1) {
699 $md5 =
700 join "\x00",
701 $processversion,
702 map {
703 cf::cede_to_tick;
704 ($src->[$_], Digest::MD5::md5_hex $data[$_])
705 } 0.. $#$src;
706
707
708 my $dbmd5 = db_get cache => "$id/md5";
709 if ($dbmd5 eq $md5) {
710 db_put cache => "$id/meta", $meta;
711
712 return db_get cache => "$id/data";
713 }
714 }
715
716 my $t1 = Time::HiRes::time;
717 my $data = $process->(\@data);
718 my $t2 = Time::HiRes::time;
719
720 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
721
722 db_put cache => "$id/data", $data;
723 db_put cache => "$id/md5" , $md5;
724 db_put cache => "$id/meta", $meta;
725
726 return $data;
727 }
728
729 db_get cache => "$id/data"
432} 730}
433 731
434=item cf::datalog type => key => value, ... 732=item cf::datalog type => key => value, ...
435 733
436Log a datalog packet of the given type with the given key-value pairs. 734Log a datalog packet of the given type with the given key-value pairs.
… …
448 746
449############################################################################# 747#############################################################################
450 748
451=head2 ATTACHABLE OBJECTS 749=head2 ATTACHABLE OBJECTS
452 750
453Many objects in crossfire are so-called attachable objects. That means you can 751Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 752attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 753to it. All such attachable objects support the following methods.
456 754
457In the following description, CLASS can be any of C<global>, C<object> 755In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 756C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 757Deliantra).
460 758
461=over 4 759=over 4
462 760
463=item $attachable->attach ($attachment, key => $value...) 761=item $attachable->attach ($attachment, key => $value...)
464 762
… …
508=item cf::CLASS::attachment $name, ... 806=item cf::CLASS::attachment $name, ...
509 807
510Register an attachment by C<$name> through which attachable objects of the 808Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 809given CLASS can refer to this attachment.
512 810
513Some classes such as crossfire maps and objects can specify attachments 811Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 812that are attached at load/instantiate time, thus the need for a name.
515 813
516These calls expect any number of the following handler/hook descriptions: 814These calls expect any number of the following handler/hook descriptions:
517 815
518=over 4 816=over 4
… …
666 _attach $registry, $klass, @attach; 964 _attach $registry, $klass, @attach;
667 } 965 }
668 966
669 $obj->{$name} = \%arg; 967 $obj->{$name} = \%arg;
670 } else { 968 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 969 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 970 }
673 971
674 $obj->{_attachment}{$name} = undef; 972 $obj->{_attachment}{$name} = undef;
675} 973}
676 974
… …
716 "; 1014 ";
717 die if $@; 1015 die if $@;
718} 1016}
719 1017
720our $override; 1018our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1019our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 1020
723sub override { 1021sub override {
724 $override = 1; 1022 $override = 1;
725 @invoke_results = (); 1023 @INVOKE_RESULTS = (@_);
726} 1024}
727 1025
728sub do_invoke { 1026sub do_invoke {
729 my $event = shift; 1027 my $event = shift;
730 my $callbacks = shift; 1028 my $callbacks = shift;
731 1029
732 @invoke_results = (); 1030 @INVOKE_RESULTS = ();
733 1031
734 local $override; 1032 local $override;
735 1033
736 for (@$callbacks) { 1034 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1035 eval { &{$_->[1]} };
… …
746 } 1044 }
747 1045
748 0 1046 0
749} 1047}
750 1048
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1049=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1050
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1052
755Generate an object-specific event with the given arguments. 1053Generate an object-specific event with the given arguments.
756 1054
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1055This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 1056removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 1057results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1058
761=back 1059=back
762 1060
763=cut 1061=cut
764 1062
765############################################################################# 1063#############################################################################
766# object support 1064# object support
1065
1066sub _object_equal($$);
1067sub _object_equal($$) {
1068 my ($a, $b) = @_;
1069
1070 return 0 unless (ref $a) eq (ref $b);
1071
1072 if ("HASH" eq ref $a) {
1073 my @ka = keys %$a;
1074 my @kb = keys %$b;
1075
1076 return 0 if @ka != @kb;
1077
1078 for (0 .. $#ka) {
1079 return 0 unless $ka[$_] eq $kb[$_];
1080 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1081 }
1082
1083 } elsif ("ARRAY" eq ref $a) {
1084
1085 return 0 if @$a != @$b;
1086
1087 for (0 .. $#$a) {
1088 return 0 unless _object_equal $a->[$_], $b->[$_];
1089 }
1090
1091 } elsif ($a ne $b) {
1092 return 0;
1093 }
1094
1095 1
1096}
1097
1098our $SLOW_MERGES;#d#
1099sub _can_merge {
1100 my ($ob1, $ob2) = @_;
1101
1102 ++$SLOW_MERGES;#d#
1103
1104 # we do the slow way here
1105 return _object_equal $ob1, $ob2
1106}
767 1107
768sub reattach { 1108sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1109 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1110 my ($obj) = @_;
771 1111
1112 # no longer needed after getting rid of delete_package?
772 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1113 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773 1114
774 my $registry = $obj->registry; 1115 my $registry = $obj->registry;
775 1116
776 @$registry = (); 1117 @$registry = ();
777 1118
… …
792cf::attachable->attach ( 1133cf::attachable->attach (
793 prio => -1000000, 1134 prio => -1000000,
794 on_instantiate => sub { 1135 on_instantiate => sub {
795 my ($obj, $data) = @_; 1136 my ($obj, $data) = @_;
796 1137
797 $data = from_json $data; 1138 $data = decode_json $data;
798 1139
799 for (@$data) { 1140 for (@$data) {
800 my ($name, $args) = @$_; 1141 my ($name, $args) = @$_;
801 1142
802 $obj->attach ($name, %{$args || {} }); 1143 $obj->attach ($name, %{$args || {} });
… …
818sub object_freezer_save { 1159sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1160 my ($filename, $rdata, $objs) = @_;
820 1161
821 sync_job { 1162 sync_job {
822 if (length $$rdata) { 1163 if (length $$rdata) {
1164 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1165 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1166 $decname, length $$rdata, scalar @$objs;
825 1167
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1168 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1169 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1170 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1171 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1172 aio_close $fh;
831 1173
832 if (@$objs) { 1174 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1176 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1177 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1178 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1179 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1180 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1181 aio_rename "$filename.pst~", "$filename.pst";
840 } 1182 }
841 } else { 1183 } else {
842 aio_unlink "$filename.pst"; 1184 aio_unlink "$filename.pst";
843 } 1185 }
… …
848 } 1190 }
849 } else { 1191 } else {
850 aio_unlink $filename; 1192 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1193 aio_unlink "$filename.pst";
852 } 1194 }
853 } 1195 };
854} 1196}
855 1197
856sub object_freezer_as_string { 1198sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1199 my ($rdata, $objs) = @_;
858 1200
… …
870 or return; 1212 or return;
871 1213
872 unless (aio_stat "$filename.pst") { 1214 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1215 (aio_load "$filename.pst", $av) >= 0
874 or return; 1216 or return;
1217
875 $av = eval { (Storable::thaw $av)->{objs} }; 1218 my $st = eval { Coro::Storable::thaw $av };
1219 $av = $st->{objs};
876 } 1220 }
877 1221
1222 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1223 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1224 $decname, length $data, scalar @{$av || []};
1225
880 return ($data, $av); 1226 ($data, $av)
881} 1227}
1228
1229=head2 COMMAND CALLBACKS
1230
1231=over 4
1232
1233=cut
882 1234
883############################################################################# 1235#############################################################################
884# command handling &c 1236# command handling &c
885 1237
886=item cf::register_command $name => \&callback($ob,$args); 1238=item cf::register_command $name => \&callback($ob,$args);
… …
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1251 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1252}
901 1253
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1254=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1255
904Register a callbackf ro execution when the client sends an extcmd packet. 1256Register a callback for execution when the client sends an (synchronous)
1257extcmd packet. Ext commands will be processed in the order they are
1258received by the server, like other user commands. The first argument is
1259the logged-in player. Ext commands can only be processed after a player
1260has logged in successfully.
905 1261
906If the callback returns something, it is sent back as if reply was being 1262If the callback returns something, it is sent back as if reply was being
907called. 1263called.
908 1264
1265=item cf::register_exticmd $name => \&callback($ns,$packet);
1266
1267Register a callback for execution when the client sends an (asynchronous)
1268exticmd packet. Exti commands are processed by the server as soon as they
1269are received, i.e. out of order w.r.t. other commands. The first argument
1270is a client socket. Exti commands can be received anytime, even before
1271log-in.
1272
1273If the callback returns something, it is sent back as if reply was being
1274called.
1275
909=cut 1276=cut
910 1277
911sub register_extcmd { 1278sub register_extcmd {
912 my ($name, $cb) = @_; 1279 my ($name, $cb) = @_;
913 1280
914 $EXTCMD{$name} = $cb; 1281 $EXTCMD{$name} = $cb;
1282}
1283
1284sub register_exticmd {
1285 my ($name, $cb) = @_;
1286
1287 $EXTICMD{$name} = $cb;
915} 1288}
916 1289
917cf::player->attach ( 1290cf::player->attach (
918 on_command => sub { 1291 on_command => sub {
919 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
… …
928 cf::override; 1301 cf::override;
929 }, 1302 },
930 on_extcmd => sub { 1303 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1304 my ($pl, $buf) = @_;
932 1305
933 my $msg = eval { from_json $buf }; 1306 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1307
935 if (ref $msg) { 1308 if (ref $msg) {
1309 my ($type, $reply, @payload) =
1310 "ARRAY" eq ref $msg
1311 ? @$msg
1312 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313
1314 my @reply;
1315
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1316 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1317 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1318 }
1319
1320 $pl->ext_reply ($reply, @reply)
1321 if $reply;
1322
941 } else { 1323 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1324 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1325 }
944 1326
945 cf::override; 1327 cf::override;
946 }, 1328 },
947); 1329);
948 1330
949sub load_extension {
950 my ($path) = @_;
951
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
953 my $base = $1;
954 my $pkg = $1;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 }
977 die $@;
978 }
979
980 push @EXTS, $pkg;
981}
982
983sub load_extensions { 1331sub load_extensions {
1332 cf::sync_job {
1333 my %todo;
1334
984 for my $ext (<$LIBDIR/*.ext>) { 1335 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1336 next unless -r $path;
986 eval { 1337
987 load_extension $ext; 1338 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1339 my $base = $1;
1340 my $pkg = $1;
1341 $pkg =~ s/[^[:word:]]/_/g;
1342 $pkg = "ext::$pkg";
1343
1344 open my $fh, "<:utf8", $path
1345 or die "$path: $!";
1346
1347 my $source = do { local $/; <$fh> };
1348
1349 my %ext = (
1350 path => $path,
1351 base => $base,
1352 pkg => $pkg,
1353 );
1354
1355 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1356 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1357
1358 $ext{source} =
1359 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1360 . "#line 1 \"$path\"\n{\n"
1361 . $source
1362 . "\n};\n1";
1363
1364 $todo{$base} = \%ext;
1365 }
1366
1367 my %done;
1368 while (%todo) {
1369 my $progress;
1370
1371 while (my ($k, $v) = each %todo) {
1372 for (split /,\s*/, $v->{meta}{depends}) {
1373 goto skip
1374 unless exists $done{$_};
1375 }
1376
1377 warn "... loading '$k' into '$v->{pkg}'\n";
1378
1379 unless (eval $v->{source}) {
1380 my $msg = $@ ? "$v->{path}: $@\n"
1381 : "$v->{base}: extension inactive.\n";
1382
1383 if (exists $v->{meta}{mandatory}) {
1384 warn $msg;
1385 cf::cleanup "mandatory extension failed to load, exiting.";
1386 }
1387
1388 warn $msg;
1389 }
1390
1391 $done{$k} = delete $todo{$k};
1392 push @EXTS, $v->{pkg};
1393 $progress = 1;
988 1 1394 }
989 } or warn "$ext not loaded: $@"; 1395
1396 skip:
1397 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1398 unless $progress;
1399 }
990 } 1400 };
991} 1401}
992 1402
993############################################################################# 1403#############################################################################
994 1404
1405=back
1406
995=head2 CORE EXTENSIONS 1407=head2 CORE EXTENSIONS
996 1408
997Functions and methods that extend core crossfire objects. 1409Functions and methods that extend core deliantra objects.
998 1410
999=cut 1411=cut
1000 1412
1001package cf::player; 1413package cf::player;
1002 1414
1003use Coro::AIO; 1415use Coro::AIO;
1004 1416
1005=head3 cf::player 1417=head3 cf::player
1006 1418
1007=over 4 1419=over 4
1420
1421=item cf::player::num_playing
1422
1423Returns the official number of playing players, as per the Crossfire metaserver rules.
1424
1425=cut
1426
1427sub num_playing {
1428 scalar grep
1429 $_->ob->map
1430 && !$_->hidden
1431 && !$_->ob->flag (cf::FLAG_WIZ),
1432 cf::player::list
1433}
1008 1434
1009=item cf::player::find $login 1435=item cf::player::find $login
1010 1436
1011Returns the given player object, loading it if necessary (might block). 1437Returns the given player object, loading it if necessary (might block).
1012 1438
… …
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1474 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1475 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1476 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1477 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1478
1053 my $pl = load_pl path $login 1479 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1480 or return;
1481
1482 my $pl = cf::player::load_pl $f
1483 or return;
1484
1485 local $cf::PLAYER_LOADING{$login} = $pl;
1486 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1487 $cf::PLAYER{$login} = $pl
1056 } 1488 }
1057 } 1489 }
1058} 1490}
1059 1491
… …
1068 return if $pl->{deny_save}; 1500 return if $pl->{deny_save};
1069 1501
1070 aio_mkdir playerdir $pl, 0770; 1502 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1503 $pl->{last_save} = $cf::RUNTIME;
1072 1504
1505 cf::get_slot 0.01;
1506
1073 $pl->save_pl ($path); 1507 $pl->save_pl ($path);
1074 Coro::cede; 1508 cf::cede_to_tick;
1075} 1509}
1076 1510
1077sub new($) { 1511sub new($) {
1078 my ($login) = @_; 1512 my ($login) = @_;
1079 1513
… …
1085 $cf::PLAYER{$login} = $self; 1519 $cf::PLAYER{$login} = $self;
1086 1520
1087 $self 1521 $self
1088} 1522}
1089 1523
1524=item $player->send_msg ($channel, $msg, $color, [extra...])
1525
1526=cut
1527
1528sub send_msg {
1529 my $ns = shift->ns
1530 or return;
1531 $ns->send_msg (@_);
1532}
1533
1090=item $pl->quit_character 1534=item $pl->quit_character
1091 1535
1092Nukes the player without looking back. If logged in, the connection will 1536Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1537be destroyed. May block for a long time.
1094 1538
… …
1098 my ($pl) = @_; 1542 my ($pl) = @_;
1099 1543
1100 my $name = $pl->ob->name; 1544 my $name = $pl->ob->name;
1101 1545
1102 $pl->{deny_save} = 1; 1546 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1547 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1104 1548
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1549 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1550 $pl->deactivate;
1551 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1553 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1554 $pl->ns->destroy if $pl->ns;
1109 1555
1110 my $path = playerdir $pl; 1556 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1557 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1147 or return []; 1593 or return [];
1148 1594
1149 my @logins; 1595 my @logins;
1150 1596
1151 for my $login (@$dirs) { 1597 for my $login (@$dirs) {
1598 my $path = path $login;
1599
1600 # a .pst is a dead give-away for a valid player
1601 # if no pst file found, open and chekc for blocked users
1602 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1603 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1604 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1605 $buf !~ /^password -------------$/m or next; # official not-valid tag
1606 }
1155 1607
1156 utf8::decode $login; 1608 utf8::decode $login;
1157 push @logins, $login; 1609 push @logins, $login;
1158 } 1610 }
1159 1611
… …
1186 } 1638 }
1187 1639
1188 \@paths 1640 \@paths
1189} 1641}
1190 1642
1643=item $protocol_xml = $player->expand_cfpod ($cfpod)
1644
1645Expand deliantra pod fragments into protocol xml.
1646
1191=item $player->ext_reply ($msgid, %msg) 1647=item $player->ext_reply ($msgid, @msg)
1192 1648
1193Sends an ext reply to the player. 1649Sends an ext reply to the player.
1194 1650
1195=cut 1651=cut
1196 1652
1197sub ext_reply($$%) { 1653sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1654 my ($self, $id, @msg) = @_;
1199 1655
1200 $msg{msgid} = $id; 1656 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1657}
1204 1658
1205=item $player->ext_event ($type, %msg) 1659=item $player->ext_msg ($type, @msg)
1206 1660
1207Sends an ext event to the client. 1661Sends an ext event to the client.
1208 1662
1209=cut 1663=cut
1210 1664
1211sub ext_event($$%) { 1665sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1666 my ($self, $type, @msg) = @_;
1213 1667
1214 $self->ns->ext_event ($type, %msg); 1668 $self->ns->ext_msg ($type, @msg);
1215} 1669}
1216 1670
1217=head3 cf::region 1671=head3 cf::region
1218 1672
1219=over 4 1673=over 4
… …
1222 1676
1223package cf::region; 1677package cf::region;
1224 1678
1225=item cf::region::find_by_path $path 1679=item cf::region::find_by_path $path
1226 1680
1227Tries to decuce the probable region for a map knowing only its path. 1681Tries to decuce the likely region for a map knowing only its path.
1228 1682
1229=cut 1683=cut
1230 1684
1231sub find_by_path($) { 1685sub find_by_path($) {
1232 my ($path) = @_; 1686 my ($path) = @_;
1233 1687
1234 my ($match, $specificity); 1688 my ($match, $specificity);
1235 1689
1236 for my $region (list) { 1690 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1691 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1692 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1693 if $region->specificity > $specificity;
1240 } 1694 }
1241 } 1695 }
1242 1696
… …
1263our $MAX_RESET = 3600; 1717our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1718our $DEFAULT_RESET = 3000;
1265 1719
1266sub generate_random_map { 1720sub generate_random_map {
1267 my ($self, $rmp) = @_; 1721 my ($self, $rmp) = @_;
1722
1723 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1724
1268 # mit "rum" bekleckern, nicht 1725 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1726 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1727 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1728 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1729 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1306 my ($self, $merge) = @_; 1763 my ($self, $merge) = @_;
1307 1764
1308 # we have to keep some variables in memory intact 1765 # we have to keep some variables in memory intact
1309 local $self->{path}; 1766 local $self->{path};
1310 local $self->{load_path}; 1767 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1768
1314 $self->SUPER::thawer_merge ($merge); 1769 $self->SUPER::thawer_merge ($merge);
1315} 1770}
1316 1771
1317sub normalise { 1772sub normalise {
… …
1364 $self->init; # pass $1 etc. 1819 $self->init; # pass $1 etc.
1365 return $self; 1820 return $self;
1366 } 1821 }
1367 } 1822 }
1368 1823
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1824 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1825 ()
1371} 1826}
1372 1827
1373sub init { 1828sub init {
1374 my ($self) = @_; 1829 my ($self) = @_;
… …
1396 1851
1397# the temporary/swap location 1852# the temporary/swap location
1398sub save_path { 1853sub save_path {
1399 my ($self) = @_; 1854 my ($self) = @_;
1400 1855
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1856 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1857 "$TMPDIR/$path.map"
1403} 1858}
1404 1859
1405# the unique path, undef == no special unique path 1860# the unique path, undef == no special unique path
1406sub uniq_path { 1861sub uniq_path {
1407 my ($self) = @_; 1862 my ($self) = @_;
1408 1863
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1864 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1865 "$UNIQUEDIR/$path"
1411} 1866}
1412 1867
1413# and all this just because we cannot iterate over 1868# and all this just because we cannot iterate over
1414# all maps in C++... 1869# all maps in C++...
… …
1417 1872
1418 $_->change_map_light ($change) 1873 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1874 for grep $_->outdoor, values %cf::MAP;
1420} 1875}
1421 1876
1877sub decay_objects {
1878 my ($self) = @_;
1879
1880 return if $self->{deny_reset};
1881
1882 $self->do_decay_objects;
1883}
1884
1422sub unlink_save { 1885sub unlink_save {
1423 my ($self) = @_; 1886 my ($self) = @_;
1424 1887
1425 utf8::encode (my $save = $self->save_path); 1888 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1889 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1429 1892
1430sub load_header_from($) { 1893sub load_header_from($) {
1431 my ($self, $path) = @_; 1894 my ($self, $path) = @_;
1432 1895
1433 utf8::encode $path; 1896 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1897 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1898 or return;
1899
1900 $self->_load_header ($f)
1901 or return;
1902
1903 local $MAP_LOADING{$self->{path}} = $self;
1904 $f->resolve_delayed_derefs;
1439 1905
1440 $self->{load_path} = $path; 1906 $self->{load_path} = $path;
1441 1907
1442 1 1908 1
1443} 1909}
… …
1482 $self->load_header_orig 1948 $self->load_header_orig
1483 or return; 1949 or return;
1484 $self->prepare_orig; 1950 $self->prepare_orig;
1485 } 1951 }
1486 1952
1953 $self->{deny_reset} = 1
1954 if $self->no_reset;
1955
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1956 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1957 unless $self->default_region;
1489 1958
1490 1 1959 1
1491} 1960}
… …
1494sub find { 1963sub find {
1495 my ($path, $origin) = @_; 1964 my ($path, $origin) = @_;
1496 1965
1497 $path = normalise $path, $origin && $origin->path; 1966 $path = normalise $path, $origin && $origin->path;
1498 1967
1968 cf::lock_wait "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1969 cf::lock_wait "map_find:$path";
1500 1970
1501 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1972 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502 my $guard = cf::lock_acquire "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1974
1503 my $map = new_from_path cf::map $path 1975 my $map = new_from_path cf::map $path
1504 or return; 1976 or return;
1505 1977
1506 $map->{last_save} = $cf::RUNTIME; 1978 $map->{last_save} = $cf::RUNTIME;
1507 1979
1508 $map->load_header 1980 $map->load_header
1509 or return; 1981 or return;
1510 1982
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1983 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1984 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1985 #$cf::WAIT_FOR_TICK->wait;
1986 undef $guard2;
1987 undef $guard1;
1514 $map->reset; 1988 $map->reset;
1515 undef $guard;
1516 return find $path; 1989 return find $path;
1517 } 1990 }
1518 1991
1519 $cf::MAP{$path} = $map 1992 $cf::MAP{$path} = $map
1520 } 1993 }
… …
1529 local $self->{deny_reset} = 1; # loading can take a long time 2002 local $self->{deny_reset} = 1; # loading can take a long time
1530 2003
1531 my $path = $self->{path}; 2004 my $path = $self->{path};
1532 2005
1533 { 2006 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2007 my $guard = cf::lock_acquire "map_data:$path";
1535 2008
2009 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2010 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2011
1538 $self->in_memory (cf::MAP_LOADING); 2012 $self->in_memory (cf::MAP_LOADING);
1539 2013
1540 $self->alloc; 2014 $self->alloc;
1541 2015
1542 $self->pre_load; 2016 $self->pre_load;
1543 Coro::cede; 2017 cf::cede_to_tick;
1544 2018
2019 my $f = new_from_file cf::object::thawer $self->{load_path};
2020 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2021 $self->_load_objects ($f)
1546 or return; 2022 or return;
1547 2023
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2024 $self->post_load_original
1549 if delete $self->{load_original}; 2025 if delete $self->{load_original};
1550 2026
1551 if (my $uniq = $self->uniq_path) { 2027 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2028 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2029 unless (aio_stat $uniq) {
2030 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2031 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2032 $self->_load_objects ($f);
2033 $f->resolve_delayed_derefs;
2034 }
1556 } 2035 }
1557 } 2036 }
1558 2037
1559 Coro::cede; 2038 $f->resolve_delayed_derefs;
2039
2040 cf::cede_to_tick;
1560 # now do the right thing for maps 2041 # now do the right thing for maps
1561 $self->link_multipart_objects; 2042 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2043 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2044 unless $self->difficulty;
1564 Coro::cede; 2045 cf::cede_to_tick;
1565 2046
1566 unless ($self->{deny_activate}) { 2047 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2048 $self->decay_objects;
1568 $self->fix_auto_apply; 2049 $self->fix_auto_apply;
1569 $self->update_buttons; 2050 $self->update_buttons;
1570 Coro::cede; 2051 cf::cede_to_tick;
1571 $self->set_darkness_map; 2052 $self->set_darkness_map;
1572 Coro::cede; 2053 cf::cede_to_tick;
1573 $self->activate; 2054 $self->activate;
1574 } 2055 }
1575 2056
2057 $self->{last_save} = $cf::RUNTIME;
2058 $self->last_access ($cf::RUNTIME);
2059
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2060 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2061 }
1578 2062
1579 $self->post_load; 2063 $self->post_load;
1580} 2064}
1581 2065
… …
1583 my ($self, $ob) = @_; 2067 my ($self, $ob) = @_;
1584 2068
1585 return find "~" . $ob->name . "/" . $self->{path} 2069 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2070 if $self->per_player;
1587 2071
2072# return find "?party/" . $ob->name . "/" . $self->{path}
2073# if $self->per_party;
2074
1588 $self 2075 $self
1589} 2076}
1590 2077
1591# find and load all maps in the 3x3 area around a map 2078# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2079sub load_neighbours {
1593 my ($map) = @_; 2080 my ($map) = @_;
1594 2081
1595 my @diag; # diagonal neighbours 2082 my @neigh; # diagonal neighbours
1596 2083
1597 for (0 .. 3) { 2084 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2085 my $neigh = $map->tile_path ($_)
1599 or next; 2086 or next;
1600 $neigh = find $neigh, $map 2087 $neigh = find $neigh, $map
1601 or next; 2088 or next;
1602 $neigh->load; 2089 $neigh->load;
1603 2090
2091 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2092 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2093 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2094 }
1607 2095
1608 for (@diag) { 2096 for (grep defined $_->[0], @neigh) {
2097 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2098 my $neigh = find $path, $origin
1610 or next; 2099 or next;
1611 $neigh->load; 2100 $neigh->load;
1612 } 2101 }
1613} 2102}
1614 2103
… …
1619} 2108}
1620 2109
1621sub do_load_sync { 2110sub do_load_sync {
1622 my ($map) = @_; 2111 my ($map) = @_;
1623 2112
2113 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2114 if $Coro::current == $Coro::main;
2115
1624 cf::sync_job { $map->load }; 2116 cf::sync_job { $map->load };
1625} 2117}
1626 2118
1627our %MAP_PREFETCH; 2119our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2120our $MAP_PREFETCHER = undef;
1629 2121
1630sub find_async { 2122sub find_async {
1631 my ($path, $origin) = @_; 2123 my ($path, $origin, $load) = @_;
1632 2124
1633 $path = normalise $path, $origin && $origin->{path}; 2125 $path = normalise $path, $origin && $origin->{path};
1634 2126
1635 if (my $map = $cf::MAP{$path}) { 2127 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2128 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2129 }
1638 2130
1639 undef $MAP_PREFETCH{$path}; 2131 $MAP_PREFETCH{$path} |= $load;
2132
1640 $MAP_PREFETCHER ||= cf::async { 2133 $MAP_PREFETCHER ||= cf::async {
2134 $Coro::current->{desc} = "map prefetcher";
2135
1641 while (%MAP_PREFETCH) { 2136 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2137 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2138 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2139 $map->load if $v;
2140 }
1646 2141
1647 delete $MAP_PREFETCH{$path}; 2142 delete $MAP_PREFETCH{$k};
1648 } 2143 }
1649 } 2144 }
1650 undef $MAP_PREFETCHER; 2145 undef $MAP_PREFETCHER;
1651 }; 2146 };
1652 $MAP_PREFETCHER->prio (6); 2147 $MAP_PREFETCHER->prio (6);
… …
1655} 2150}
1656 2151
1657sub save { 2152sub save {
1658 my ($self) = @_; 2153 my ($self) = @_;
1659 2154
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2155 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2156
1662 $self->{last_save} = $cf::RUNTIME; 2157 $self->{last_save} = $cf::RUNTIME;
1663 2158
1664 return unless $self->dirty; 2159 return unless $self->dirty;
1665 2160
… …
1671 return if $self->{deny_save}; 2166 return if $self->{deny_save};
1672 2167
1673 local $self->{last_access} = $self->last_access;#d# 2168 local $self->{last_access} = $self->last_access;#d#
1674 2169
1675 cf::async { 2170 cf::async {
2171 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2172 $_->contr->save for $self->players;
1677 }; 2173 };
2174
2175 cf::get_slot 0.02;
1678 2176
1679 if ($uniq) { 2177 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2178 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2179 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2180 } else {
… …
1688 my ($self) = @_; 2186 my ($self) = @_;
1689 2187
1690 # save first because save cedes 2188 # save first because save cedes
1691 $self->save; 2189 $self->save;
1692 2190
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2191 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2192
1695 return if $self->players; 2193 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2194 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2195 return if $self->{deny_save};
1698 2196
2197 $self->in_memory (cf::MAP_SWAPPED);
2198
2199 $self->deactivate;
2200 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2201 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2202}
1702 2203
1703sub reset_at { 2204sub reset_at {
1704 my ($self) = @_; 2205 my ($self) = @_;
1705 2206
1706 # TODO: safety, remove and allow resettable per-player maps 2207 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2208 return 1e99 if $self->{deny_reset};
1709 2209
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2210 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2211 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2212
… …
1723 my ($self) = @_; 2223 my ($self) = @_;
1724 2224
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2225 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2226
1727 return if $self->players; 2227 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2228
1730 warn "resetting map ", $self->path;#d# 2229 warn "resetting map ", $self->path;
1731 2230
1732 $self->in_memory (cf::MAP_SWAPPED); 2231 $self->in_memory (cf::MAP_SWAPPED);
1733 2232
1734 # need to save uniques path 2233 # need to save uniques path
1735 unless ($self->{deny_save}) { 2234 unless ($self->{deny_save}) {
… …
1739 if $uniq; 2238 if $uniq;
1740 } 2239 }
1741 2240
1742 delete $cf::MAP{$self->path}; 2241 delete $cf::MAP{$self->path};
1743 2242
2243 $self->deactivate;
2244 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2245 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2246
1748 $self->unlink_save; 2247 $self->unlink_save;
1749 $self->destroy; 2248 $self->destroy;
1750} 2249}
1751 2250
1752my $nuke_counter = "aaaa"; 2251my $nuke_counter = "aaaa";
1753 2252
1754sub nuke { 2253sub nuke {
1755 my ($self) = @_; 2254 my ($self) = @_;
1756 2255
2256 {
2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
2258
1757 delete $cf::MAP{$self->path}; 2259 delete $cf::MAP{$self->path};
1758 2260
1759 $self->unlink_save; 2261 $self->unlink_save;
1760 2262
1761 bless $self, "cf::map"; 2263 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2264 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2265 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2266 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2267 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2268
1767 $cf::MAP{$self->path} = $self; 2269 $cf::MAP{$self->path} = $self;
2270 }
1768 2271
1769 $self->reset; # polite request, might not happen 2272 $self->reset; # polite request, might not happen
2273}
2274
2275=item $maps = cf::map::tmp_maps
2276
2277Returns an arrayref with all map paths of currently instantiated and saved
2278maps. May block.
2279
2280=cut
2281
2282sub tmp_maps() {
2283 [
2284 map {
2285 utf8::decode $_;
2286 /\.map$/
2287 ? normalise $_
2288 : ()
2289 } @{ aio_readdir $TMPDIR or [] }
2290 ]
2291}
2292
2293=item $maps = cf::map::random_maps
2294
2295Returns an arrayref with all map paths of currently instantiated and saved
2296random maps. May block.
2297
2298=cut
2299
2300sub random_maps() {
2301 [
2302 map {
2303 utf8::decode $_;
2304 /\.map$/
2305 ? normalise "?random/$_"
2306 : ()
2307 } @{ aio_readdir $RANDOMDIR or [] }
2308 ]
1770} 2309}
1771 2310
1772=item cf::map::unique_maps 2311=item cf::map::unique_maps
1773 2312
1774Returns an arrayref of paths of all shared maps that have 2313Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2314instantiated unique items. May block.
1776 2315
1777=cut 2316=cut
1778 2317
1779sub unique_maps() { 2318sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2319 [
1781 or return; 2320 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2321 utf8::decode $_;
1787 next if /\.pst$/; 2322 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2323 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2324 ? ()
1790 push @paths, cf::map::normalise $_; 2325 : normalise $_
2326 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2327 ]
1792
1793 \@paths
1794} 2328}
1795
1796package cf;
1797 2329
1798=back 2330=back
1799 2331
1800=head3 cf::object 2332=head3 cf::object
1801 2333
… …
1805 2337
1806=over 4 2338=over 4
1807 2339
1808=item $ob->inv_recursive 2340=item $ob->inv_recursive
1809 2341
1810Returns the inventory of the object _and_ their inventories, recursively. 2342Returns the inventory of the object I<and> their inventories, recursively,
2343but I<not> the object itself.
1811 2344
1812=cut 2345=cut
1813 2346
1814sub inv_recursive_; 2347sub inv_recursive_;
1815sub inv_recursive_ { 2348sub inv_recursive_ {
… …
1818 2351
1819sub inv_recursive { 2352sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2353 inv_recursive_ inv $_[0]
1821} 2354}
1822 2355
2356=item $ref = $ob->ref
2357
2358Creates and returns a persistent reference to an object that can be stored as a string.
2359
2360=item $ob = cf::object::deref ($refstring)
2361
2362returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2363even if the object actually exists. May block.
2364
2365=cut
2366
2367sub deref {
2368 my ($ref) = @_;
2369
2370 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2371 my ($uuid, $name) = ($1, $2);
2372 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2373 or return;
2374 $pl->ob->uuid eq $uuid
2375 or return;
2376
2377 $pl->ob
2378 } else {
2379 warn "$ref: cannot resolve object reference\n";
2380 undef
2381 }
2382}
2383
1823package cf; 2384package cf;
1824 2385
1825=back 2386=back
1826 2387
1827=head3 cf::object::player 2388=head3 cf::object::player
… …
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2394Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2395can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2396dialogue with the given NPC character.
1836 2397
1837=cut 2398=cut
2399
2400our $SAY_CHANNEL = {
2401 id => "say",
2402 title => "Map",
2403 reply => "say ",
2404 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2405};
2406
2407our $CHAT_CHANNEL = {
2408 id => "chat",
2409 title => "Chat",
2410 reply => "chat ",
2411 tooltip => "Player chat and shouts, global to the server.",
2412};
1838 2413
1839# rough implementation of a future "reply" method that works 2414# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2415# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2416#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2417sub cf::object::player::reply($$$;$) {
… …
1844 2419
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2421
1847 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1849 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2434 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2435 }
1852 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1853} 2447}
1854 2448
1855=item $player_object->may ("access") 2449=item $player_object->may ("access")
1856 2450
1857Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
… …
1870 2464
1871=item $player_object->enter_link 2465=item $player_object->enter_link
1872 2466
1873Freezes the player and moves him/her to a special map (C<{link}>). 2467Freezes the player and moves him/her to a special map (C<{link}>).
1874 2468
1875The player should be reasonably safe there for short amounts of time. You 2469The player should be reasonably safe there for short amounts of time (e.g.
1876I<MUST> call C<leave_link> as soon as possible, though. 2470for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471though, as the palyer cannot control the character while it is on the link
2472map.
1877 2473
1878Will never block. 2474Will never block.
1879 2475
1880=item $player_object->leave_link ($map, $x, $y) 2476=item $player_object->leave_link ($map, $x, $y)
1881 2477
… …
1904 $self->deactivate_recursive; 2500 $self->deactivate_recursive;
1905 2501
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2502 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2503
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2504 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2505 if $self->map && $self->map->{path} ne "{link}";
1910 2506
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2507 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2508}
1913 2509
1914sub cf::object::player::leave_link { 2510sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2511 my ($self, $map, $x, $y) = @_;
2512
2513 return unless $self->contr->active;
1916 2514
1917 my $link_pos = delete $self->{_link_pos}; 2515 my $link_pos = delete $self->{_link_pos};
1918 2516
1919 unless ($map) { 2517 unless ($map) {
1920 # restore original map position 2518 # restore original map position
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2532 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2533 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2534 if $x <=0 && $y <= 0;
1937 2535
1938 $map->load; 2536 $map->load;
1939 $map->load_diag; 2537 $map->load_neighbours;
1940 2538
1941 return unless $self->contr->active; 2539 return unless $self->contr->active;
2540 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942 $self->activate_recursive; 2541 $self->activate_recursive;
1943 2542
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2543 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2544 $self->enter_map ($map, $x, $y);
1946} 2545}
1947 2546
1948cf::player->attach ( 2547=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 on_logout => sub {
1950 my ($pl) = @_;
1951 2548
1952 # abort map switching before logout 2549Moves the player to the given map-path and coordinates by first freezing
1953 if ($pl->ob->{_link_pos}) { 2550her, loading and preparing them map, calling the provided $check callback
1954 cf::sync_job { 2551that has to return the map if sucecssful, and then unfreezes the player on
1955 $pl->ob->leave_link 2552the new (success) or old (failed) map position. In either case, $done will
1956 }; 2553be called at the end of this process.
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961 2554
1962 # try to abort aborted map switching on player login :) 2555Note that $check will be called with a potentially non-loaded map, so if
1963 # should happen only on crashes 2556it needs a loaded map it has to call C<< ->load >>.
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979 2557
1980=item $player_object->goto ($path, $x, $y)
1981
1982=cut 2558=cut
2559
2560our $GOTOGEN;
1983 2561
1984sub cf::object::player::goto { 2562sub cf::object::player::goto {
1985 my ($self, $path, $x, $y) = @_; 2563 my ($self, $path, $x, $y, $check, $done) = @_;
2564
2565 # do generation counting so two concurrent goto's will be executed in-order
2566 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986 2567
1987 $self->enter_link; 2568 $self->enter_link;
1988 2569
1989 (async { 2570 (async {
2571 $Coro::current->{desc} = "player::goto $path $x $y";
2572
2573 # *tag paths override both path and x|y
2574 if ($path =~ /^\*(.*)$/) {
2575 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2576 my $ob = $obs[rand @obs];
2577
2578 # see if we actually can go there
2579 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2580 $ob = $obs[rand @obs];
2581 } else {
2582 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2583 }
2584 # else put us there anyways for now #d#
2585
2586 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2587 } else {
2588 ($path, $x, $y) = (undef, undef, undef);
2589 }
2590 }
2591
1990 my $map = eval { 2592 my $map = eval {
1991 my $map = cf::map::find $path; 2593 my $map = defined $path ? cf::map::find $path : undef;
2594
2595 if ($map) {
1992 $map = $map->customise_for ($self) if $map; 2596 $map = $map->customise_for ($self);
2597 $map = $check->($map) if $check && $map;
2598 } else {
2599 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2600 }
2601
1993 $map 2602 $map
2603 };
2604
2605 if ($@) {
2606 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2607 LOG llevError | logBacktrace, Carp::longmess $@;
1994 } or 2608 }
1995 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996 2609
2610 if ($gen == $self->{_goto_generation}) {
2611 delete $self->{_goto_generation};
1997 $self->leave_link ($map, $x, $y); 2612 $self->leave_link ($map, $x, $y);
2613 }
2614
2615 $done->() if $done;
1998 })->prio (1); 2616 })->prio (1);
1999} 2617}
2000 2618
2001=item $player_object->enter_exit ($exit_object) 2619=item $player_object->enter_exit ($exit_object)
2002 2620
… …
2022} 2640}
2023 2641
2024sub prepare_random_map { 2642sub prepare_random_map {
2025 my ($exit) = @_; 2643 my ($exit) = @_;
2026 2644
2027 my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029 # all this does is basically replace the /! path by 2645 # all this does is basically replace the /! path by
2030 # a new random map path (?random/...) with a seed 2646 # a new random map path (?random/...) with a seed
2031 # that depends on the exit object 2647 # that depends on the exit object
2032 2648
2033 my $rmp = parse_random_map_params $exit->msg; 2649 my $rmp = parse_random_map_params $exit->msg;
… …
2035 if ($exit->map) { 2651 if ($exit->map) {
2036 $rmp->{region} = $exit->region->name; 2652 $rmp->{region} = $exit->region->name;
2037 $rmp->{origin_map} = $exit->map->path; 2653 $rmp->{origin_map} = $exit->map->path;
2038 $rmp->{origin_x} = $exit->x; 2654 $rmp->{origin_x} = $exit->x;
2039 $rmp->{origin_y} = $exit->y; 2655 $rmp->{origin_y} = $exit->y;
2656
2657 $exit->map->touch;
2040 } 2658 }
2041 2659
2042 $rmp->{random_seed} ||= $exit->random_seed; 2660 $rmp->{random_seed} ||= $exit->random_seed;
2043 2661
2044 my $data = cf::to_json $rmp; 2662 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045 my $md5 = Digest::MD5::md5_hex $data; 2663 my $md5 = Digest::MD5::md5_hex $data;
2046 my $meta = "$RANDOMDIR/$md5.meta"; 2664 my $meta = "$RANDOMDIR/$md5.meta";
2047 2665
2048 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2666 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049 aio_write $fh, 0, (length $data), $data, 0; 2667 aio_write $fh, 0, (length $data), $data, 0;
2050 undef $fh; 2668 undef $fh;
2051 aio_rename "$meta~", $meta; 2669 aio_rename "$meta~", $meta;
2052 2670
2671 my $slaying = "?random/$md5";
2672
2673 if ($exit->valid) {
2053 $exit->slaying ("?random/$md5"); 2674 $exit->slaying ("?random/$md5");
2054 $exit->msg (undef); 2675 $exit->msg (undef);
2676 }
2055 } 2677 }
2056} 2678}
2057 2679
2058sub cf::object::player::enter_exit { 2680sub cf::object::player::enter_exit {
2059 my ($self, $exit) = @_; 2681 my ($self, $exit) = @_;
2060 2682
2061 return unless $self->type == cf::PLAYER; 2683 return unless $self->type == cf::PLAYER;
2062 2684
2063 if ($exit->slaying eq "/!") {
2064 #TODO: this should de-fi-ni-te-ly not be a sync-job
2065 # the problem is that $exit might not survive long enough
2066 # so it needs to be done right now, right here
2067 cf::sync_job { prepare_random_map $exit };
2068 }
2069
2070 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071 my $hp = $exit->stats->hp;
2072 my $sp = $exit->stats->sp;
2073
2074 $self->enter_link; 2685 $self->enter_link;
2075 2686
2076 (async { 2687 (async {
2077 $self->deactivate_recursive; # just to be sure 2688 $Coro::current->{desc} = "enter_exit";
2689
2078 unless (eval { 2690 unless (eval {
2691 $self->deactivate_recursive; # just to be sure
2692
2693 # random map handling
2694 {
2695 my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697 prepare_random_map $exit
2698 if $exit->slaying eq "/!";
2699 }
2700
2701 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2702 my $x = $exit->stats->hp;
2703 my $y = $exit->stats->sp;
2704
2079 $self->goto ($slaying, $hp, $sp); 2705 $self->goto ($map, $x, $y);
2080 2706
2707 # if exit is damned, update players death & WoR home-position
2708 $self->contr->savebed ($map, $x, $y)
2709 if $exit->flag (cf::FLAG_DAMNED);
2710
2081 1; 2711 1
2082 }) { 2712 }) {
2083 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2084 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2085 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2086 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2087 2717
2088 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
… …
2107 2737
2108 utf8::encode $text; 2738 utf8::encode $text;
2109 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2739 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110} 2740}
2111 2741
2742=item $client->send_msg ($channel, $msg, $color, [extra...])
2743
2744Send a drawinfo or msg packet to the client, formatting the msg for the
2745client if neccessary. C<$type> should be a string identifying the type of
2746the message, with C<log> being the default. If C<$color> is negative, suppress
2747the message unless the client supports the msg packet.
2748
2749=cut
2750
2751# non-persistent channels (usually the info channel)
2752our %CHANNEL = (
2753 "c/identify" => {
2754 id => "infobox",
2755 title => "Identify",
2756 reply => undef,
2757 tooltip => "Items recently identified",
2758 },
2759 "c/examine" => {
2760 id => "infobox",
2761 title => "Examine",
2762 reply => undef,
2763 tooltip => "Signs and other items you examined",
2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2771 "c/lookat" => {
2772 id => "infobox",
2773 title => "Look",
2774 reply => undef,
2775 tooltip => "What you saw there",
2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/uptime" => {
2790 id => "infobox",
2791 title => "Uptime",
2792 reply => undef,
2793 tooltip => "How long the server has been running since last restart",
2794 },
2795 "c/mapinfo" => {
2796 id => "infobox",
2797 title => "Map Info",
2798 reply => undef,
2799 tooltip => "Information related to the maps",
2800 },
2801 "c/party" => {
2802 id => "party",
2803 title => "Party",
2804 reply => "gsay ",
2805 tooltip => "Messages and chat related to your party",
2806 },
2807);
2808
2809sub cf::client::send_msg {
2810 my ($self, $channel, $msg, $color, @extra) = @_;
2811
2812 $msg = $self->pl->expand_cfpod ($msg)
2813 unless $color & cf::NDI_VERBATIM;
2814
2815 $color &= cf::NDI_CLIENT_MASK; # just in case...
2816
2817 # check predefined channels, for the benefit of C
2818 if ($CHANNEL{$channel}) {
2819 $channel = $CHANNEL{$channel};
2820
2821 $self->ext_msg (channel_info => $channel)
2822 if $self->can_msg;
2823
2824 $channel = $channel->{id};
2825
2826 } elsif (ref $channel) {
2827 # send meta info to client, if not yet sent
2828 unless (exists $self->{channel}{$channel->{id}}) {
2829 $self->{channel}{$channel->{id}} = $channel;
2830 $self->ext_msg (channel_info => $channel)
2831 if $self->can_msg;
2832 }
2833
2834 $channel = $channel->{id};
2835 }
2836
2837 return unless @extra || length $msg;
2838
2839 if ($self->can_msg) {
2840 # default colour, mask it out
2841 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2842 if $color & cf::NDI_DEF;
2843
2844 my $pkt = "msg "
2845 . $self->{json_coder}->encode (
2846 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847 );
2848
2849 # try lzf for large packets
2850 $pkt = "lzf " . Compress::LZF::compress $pkt
2851 if 1024 <= length $pkt and $self->{can_lzf};
2852
2853 # split very large packets
2854 if (8192 < length $pkt and $self->{can_lzf}) {
2855 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856 $pkt = "frag";
2857 }
2858
2859 $self->send_packet ($pkt);
2860 } else {
2861 if ($color >= 0) {
2862 # replace some tags by gcfclient-compatible ones
2863 for ($msg) {
2864 1 while
2865 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2866 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2867 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2868 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2869 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2870 }
2871
2872 $color &= cf::NDI_COLOR_MASK;
2873
2874 utf8::encode $msg;
2875
2876 if (0 && $msg =~ /\[/) {
2877 # COMMAND/INFO
2878 $self->send_packet ("drawextinfo $color 10 8 $msg")
2879 } else {
2880 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2881 $self->send_packet ("drawinfo $color $msg")
2882 }
2883 }
2884 }
2885}
2886
2112=item $client->ext_event ($type, %msg) 2887=item $client->ext_msg ($type, @msg)
2113 2888
2114Sends an exti event to the client. 2889Sends an ext event to the client.
2115 2890
2116=cut 2891=cut
2117 2892
2118sub cf::client::ext_event($$%) { 2893sub cf::client::ext_msg($$@) {
2119 my ($self, $type, %msg) = @_; 2894 my ($self, $type, @msg) = @_;
2120 2895
2896 if ($self->extcmd == 2) {
2897 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2898 } elsif ($self->extcmd == 1) { # TODO: remove
2121 $msg{msgtype} = "event_$type"; 2899 push @msg, msgtype => "event_$type";
2122 $self->send_packet ("ext " . cf::to_json \%msg); 2900 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2901 }
2902}
2903
2904=item $client->ext_reply ($msgid, @msg)
2905
2906Sends an ext reply to the client.
2907
2908=cut
2909
2910sub cf::client::ext_reply($$@) {
2911 my ($self, $id, @msg) = @_;
2912
2913 if ($self->extcmd == 2) {
2914 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2915 } elsif ($self->extcmd == 1) {
2916 #TODO: version 1, remove
2917 unshift @msg, msgtype => "reply", msgid => $id;
2918 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2919 }
2123} 2920}
2124 2921
2125=item $success = $client->query ($flags, "text", \&cb) 2922=item $success = $client->query ($flags, "text", \&cb)
2126 2923
2127Queues a query to the client, calling the given callback with 2924Queues a query to the client, calling the given callback with
2128the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2925the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2926C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130 2927
2131Queries can fail, so check the return code. Or don't, as queries will become 2928Queries can fail, so check the return code. Or don't, as queries will
2132reliable at some point in the future. 2929become reliable at some point in the future.
2133 2930
2134=cut 2931=cut
2135 2932
2136sub cf::client::query { 2933sub cf::client::query {
2137 my ($self, $flags, $text, $cb) = @_; 2934 my ($self, $flags, $text, $cb) = @_;
… …
2145 utf8::encode $text; 2942 utf8::encode $text;
2146 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2943 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147 2944
2148 $self->send_packet ($self->{query_queue}[0][0]) 2945 $self->send_packet ($self->{query_queue}[0][0])
2149 if @{ $self->{query_queue} } == 1; 2946 if @{ $self->{query_queue} } == 1;
2947
2948 1
2150} 2949}
2151 2950
2152cf::client->attach ( 2951cf::client->attach (
2952 on_connect => sub {
2953 my ($ns) = @_;
2954
2955 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2956 },
2153 on_reply => sub { 2957 on_reply => sub {
2154 my ($ns, $msg) = @_; 2958 my ($ns, $msg) = @_;
2155 2959
2156 # this weird shuffling is so that direct followup queries 2960 # this weird shuffling is so that direct followup queries
2157 # get handled first 2961 # get handled first
… …
2169 } else { 2973 } else {
2170 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171 } 2975 }
2172 } 2976 }
2173 }, 2977 },
2978 on_exticmd => sub {
2979 my ($ns, $buf) = @_;
2980
2981 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2982
2983 if (ref $msg) {
2984 my ($type, $reply, @payload) =
2985 "ARRAY" eq ref $msg
2986 ? @$msg
2987 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2988
2989 my @reply;
2990
2991 if (my $cb = $EXTICMD{$type}) {
2992 @reply = $cb->($ns, @payload);
2993 }
2994
2995 $ns->ext_reply ($reply, @reply)
2996 if $reply;
2997
2998 } else {
2999 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3000 }
3001
3002 cf::override;
3003 },
2174); 3004);
2175 3005
2176=item $client->async (\&cb) 3006=item $client->async (\&cb)
2177 3007
2178Create a new coroutine, running the specified callback. The coroutine will 3008Create a new coroutine, running the specified callback. The coroutine will
… …
2219our $safe = new Safe "safe"; 3049our $safe = new Safe "safe";
2220our $safe_hole = new Safe::Hole; 3050our $safe_hole = new Safe::Hole;
2221 3051
2222$SIG{FPE} = 'IGNORE'; 3052$SIG{FPE} = 'IGNORE';
2223 3053
2224$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3054$safe->permit_only (Opcode::opset qw(
3055 :base_core :base_mem :base_orig :base_math
3056 grepstart grepwhile mapstart mapwhile
3057 sort time
3058));
2225 3059
2226# here we export the classes and methods available to script code 3060# here we export the classes and methods available to script code
2227 3061
2228=pod 3062=pod
2229 3063
2230The following functions and methods are available within a safe environment: 3064The following functions and methods are available within a safe environment:
2231 3065
2232 cf::object contr pay_amount pay_player map 3066 cf::object
3067 contr pay_amount pay_player map x y force_find force_add destroy
3068 insert remove name archname title slaying race decrease split
3069
2233 cf::object::player player 3070 cf::object::player
2234 cf::player peaceful 3071 player
2235 cf::map trigger 3072
3073 cf::player
3074 peaceful
3075
3076 cf::map
3077 trigger
2236 3078
2237=cut 3079=cut
2238 3080
2239for ( 3081for (
2240 ["cf::object" => qw(contr pay_amount pay_player map)], 3082 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3083 insert remove inv nrof name archname title slaying race
3084 decrease split destroy change_exp)],
2241 ["cf::object::player" => qw(player)], 3085 ["cf::object::player" => qw(player)],
2242 ["cf::player" => qw(peaceful)], 3086 ["cf::player" => qw(peaceful)],
2243 ["cf::map" => qw(trigger)], 3087 ["cf::map" => qw(trigger)],
2244) { 3088) {
2245 no strict 'refs'; 3089 no strict 'refs';
… …
2316=back 3160=back
2317 3161
2318=cut 3162=cut
2319 3163
2320############################################################################# 3164#############################################################################
2321
2322=head2 EXTENSION DATABASE SUPPORT
2323
2324Crossfire maintains a very simple database for extension use. It can
2325currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326convert to/from binary).
2327
2328The parameter C<$family> should best start with the name of the extension
2329using it, it should be unique.
2330
2331=over 4
2332
2333=item $value = cf::db_get $family => $key
2334
2335Returns a single value from the database.
2336
2337=item cf::db_put $family => $key => $value
2338
2339Stores the given C<$value> in the family.
2340
2341=cut
2342
2343our $DB;
2344
2345sub db_init {
2346 unless ($DB) {
2347 $DB = BDB::db_create $DB_ENV;
2348
2349 cf::sync_job {
2350 eval {
2351 $DB->set_flags (BDB::CHKSUM);
2352
2353 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355 cf::cleanup "db_open(db): $!" if $!;
2356 };
2357 cf::cleanup "db_open(db): $@" if $@;
2358 };
2359 }
2360}
2361
2362sub db_get($$) {
2363 my $key = "$_[0]/$_[1]";
2364
2365 cf::sync_job {
2366 BDB::db_get $DB, undef, $key, my $data;
2367
2368 $! ? ()
2369 : $data
2370 }
2371}
2372
2373sub db_put($$$) {
2374 BDB::dbreq_pri 4;
2375 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376}
2377
2378=item cf::cache $id => [$paths...], $processversion => $process
2379
2380Generic caching function that returns the value of the resource $id,
2381caching and regenerating as required.
2382
2383This function can block.
2384
2385=cut
2386
2387sub cache {
2388 my ($id, $src, $processversion, $process) = @_;
2389
2390 my $meta =
2391 join "\x00",
2392 $processversion,
2393 map {
2394 aio_stat $_
2395 and Carp::croak "$_: $!";
2396
2397 ($_, (stat _)[7,9])
2398 } @$src;
2399
2400 my $dbmeta = db_get cache => "$id/meta";
2401 if ($dbmeta ne $meta) {
2402 # changed, we may need to process
2403
2404 my @data;
2405 my $md5;
2406
2407 for (0 .. $#$src) {
2408 0 <= aio_load $src->[$_], $data[$_]
2409 or Carp::croak "$src->[$_]: $!";
2410 }
2411
2412 # if processing is expensive, check
2413 # checksum first
2414 if (1) {
2415 $md5 =
2416 join "\x00",
2417 $processversion,
2418 map {
2419 Coro::cede;
2420 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2421 } 0.. $#$src;
2422
2423
2424 my $dbmd5 = db_get cache => "$id/md5";
2425 if ($dbmd5 eq $md5) {
2426 db_put cache => "$id/meta", $meta;
2427
2428 return db_get cache => "$id/data";
2429 }
2430 }
2431
2432 my $t1 = Time::HiRes::time;
2433 my $data = $process->(\@data);
2434 my $t2 = Time::HiRes::time;
2435
2436 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438 db_put cache => "$id/data", $data;
2439 db_put cache => "$id/md5" , $md5;
2440 db_put cache => "$id/meta", $meta;
2441
2442 return $data;
2443 }
2444
2445 db_get cache => "$id/data"
2446}
2447
2448=item fork_call { }, $args
2449
2450Executes the given code block with the given arguments in a seperate
2451process, returning the results. Everything must be serialisable with
2452Coro::Storable. May, of course, block. Note that the executed sub may
2453never block itself or use any form of Event handling.
2454
2455=cut
2456
2457sub fork_call(&@) {
2458 my ($cb, @args) = @_;
2459
2460# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461# or die "socketpair: $!";
2462 pipe my $fh1, my $fh2
2463 or die "pipe: $!";
2464
2465 if (my $pid = fork) {
2466 close $fh2;
2467
2468 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469 $res = Coro::Storable::thaw $res;
2470
2471 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473 die $$res unless "ARRAY" eq ref $res;
2474
2475 return wantarray ? @$res : $res->[-1];
2476 } else {
2477 reset_signals;
2478 local $SIG{__WARN__};
2479 local $SIG{__DIE__};
2480 eval {
2481 close $fh1;
2482
2483 my @res = eval { $cb->(@args) };
2484 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485 };
2486
2487 warn $@ if $@;
2488 _exit 0;
2489 }
2490}
2491
2492
2493
2494#############################################################################
2495# the server's init and main functions 3165# the server's init and main functions
2496 3166
2497sub load_facedata($) { 3167sub load_facedata($) {
2498 my ($path) = @_; 3168 my ($path) = @_;
3169
3170 # HACK to clear player env face cache, we need some signal framework
3171 # for this (global event?)
3172 %ext::player_env::MUSIC_FACE_CACHE = ();
3173
3174 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499 3175
2500 warn "loading facedata from $path\n"; 3176 warn "loading facedata from $path\n";
2501 3177
2502 my $facedata; 3178 my $facedata;
2503 0 < aio_load $path, $facedata 3179 0 < aio_load $path, $facedata
… …
2506 $facedata = Coro::Storable::thaw $facedata; 3182 $facedata = Coro::Storable::thaw $facedata;
2507 3183
2508 $facedata->{version} == 2 3184 $facedata->{version} == 2
2509 or cf::cleanup "$path: version mismatch, cannot proceed."; 3185 or cf::cleanup "$path: version mismatch, cannot proceed.";
2510 3186
3187 # patch in the exptable
3188 $facedata->{resource}{"res/exp_table"} = {
3189 type => FT_RSRC,
3190 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3191 };
3192 cf::cede_to_tick;
3193
2511 { 3194 {
2512 my $faces = $facedata->{faceinfo}; 3195 my $faces = $facedata->{faceinfo};
2513 3196
2514 while (my ($face, $info) = each %$faces) { 3197 while (my ($face, $info) = each %$faces) {
2515 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3198 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199
2516 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3200 cf::face::set_visibility $idx, $info->{visibility};
3201 cf::face::set_magicmap $idx, $info->{magicmap};
2517 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3202 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3203 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519 Coro::cede; 3204
3205 cf::cede_to_tick;
2520 } 3206 }
2521 3207
2522 while (my ($face, $info) = each %$faces) { 3208 while (my ($face, $info) = each %$faces) {
2523 next unless $info->{smooth}; 3209 next unless $info->{smooth};
3210
2524 my $idx = cf::face::find $face 3211 my $idx = cf::face::find $face
2525 or next; 3212 or next;
3213
2526 if (my $smooth = cf::face::find $info->{smooth}) { 3214 if (my $smooth = cf::face::find $info->{smooth}) {
3215 cf::face::set_smooth $idx, $smooth;
2527 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3216 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528 } else { 3217 } else {
2529 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3218 warn "smooth face '$info->{smooth}' not found for face '$face'";
2530 } 3219 }
2531 Coro::cede; 3220
3221 cf::cede_to_tick;
2532 } 3222 }
2533 } 3223 }
2534 3224
2535 { 3225 {
2536 my $anims = $facedata->{animinfo}; 3226 my $anims = $facedata->{animinfo};
2537 3227
2538 while (my ($anim, $info) = each %$anims) { 3228 while (my ($anim, $info) = each %$anims) {
2539 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3229 cf::anim::set $anim, $info->{frames}, $info->{facings};
2540 Coro::cede; 3230 cf::cede_to_tick;
2541 } 3231 }
2542 3232
2543 cf::anim::invalidate_all; # d'oh 3233 cf::anim::invalidate_all; # d'oh
2544 } 3234 }
2545 3235
3236 {
3237 # TODO: for gcfclient pleasure, we should give resources
3238 # that gcfclient doesn't grok a >10000 face index.
3239 my $res = $facedata->{resource};
3240
3241 while (my ($name, $info) = each %$res) {
3242 if (defined $info->{type}) {
3243 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3244 my $data;
3245
3246 if ($info->{type} & 1) {
3247 # prepend meta info
3248
3249 my $meta = $enc->encode ({
3250 name => $name,
3251 %{ $info->{meta} || {} },
3252 });
3253
3254 $data = pack "(w/a*)*", $meta, $info->{data};
3255 } else {
3256 $data = $info->{data};
3257 }
3258
3259 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260 cf::face::set_type $idx, $info->{type};
3261 } else {
3262 $RESOURCE{$name} = $info;
3263 }
3264
3265 cf::cede_to_tick;
3266 }
3267 }
3268
3269 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3270
2546 1 3271 1
2547} 3272}
2548 3273
3274cf::global->attach (on_resource_update => sub {
3275 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279 my $sound = $soundconf->{compat}[$_]
3280 or next;
3281
3282 my $face = cf::face::find "sound/$sound->[1]";
3283 cf::sound::set $sound->[0] => $face;
3284 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285 }
3286
3287 while (my ($k, $v) = each %{$soundconf->{event}}) {
3288 my $face = cf::face::find "sound/$v";
3289 cf::sound::set $k => $face;
3290 }
3291 }
3292});
3293
3294register_exticmd fx_want => sub {
3295 my ($ns, $want) = @_;
3296
3297 while (my ($k, $v) = each %$want) {
3298 $ns->fx_want ($k, $v);
3299 }
3300};
3301
3302sub load_resource_file($) {
3303 my $guard = lock_acquire "load_resource_file";
3304
3305 my $status = load_resource_file_ $_[0];
3306 get_slot 0.1, 100;
3307 cf::arch::commit_load;
3308
3309 $status
3310}
3311
2549sub reload_regions { 3312sub reload_regions {
3313 # HACK to clear player env face cache, we need some signal framework
3314 # for this (global event?)
3315 %ext::player_env::MUSIC_FACE_CACHE = ();
3316
2550 load_resource_file "$MAPDIR/regions" 3317 load_resource_file "$MAPDIR/regions"
2551 or die "unable to load regions file\n"; 3318 or die "unable to load regions file\n";
3319
3320 for (cf::region::list) {
3321 $_->{match} = qr/$_->{match}/
3322 if exists $_->{match};
3323 }
2552} 3324}
2553 3325
2554sub reload_facedata { 3326sub reload_facedata {
2555 load_facedata "$DATADIR/facedata" 3327 load_facedata "$DATADIR/facedata"
2556 or die "unable to load facedata\n"; 3328 or die "unable to load facedata\n";
… …
2567} 3339}
2568 3340
2569sub reload_resources { 3341sub reload_resources {
2570 warn "reloading resource files...\n"; 3342 warn "reloading resource files...\n";
2571 3343
2572 reload_regions;
2573 reload_facedata; 3344 reload_facedata;
2574 reload_archetypes; 3345 reload_archetypes;
3346 reload_regions;
2575 reload_treasures; 3347 reload_treasures;
2576 3348
2577 warn "finished reloading resource files\n"; 3349 warn "finished reloading resource files\n";
2578} 3350}
2579 3351
2580sub init { 3352sub init {
3353 my $guard = freeze_mainloop;
3354
3355 evthread_start IO::AIO::poll_fileno;
3356
2581 reload_resources; 3357 reload_resources;
2582} 3358}
2583 3359
2584sub cfg_load { 3360sub reload_config {
2585 open my $fh, "<:utf8", "$CONFDIR/config" 3361 open my $fh, "<:utf8", "$CONFDIR/config"
2586 or return; 3362 or return;
2587 3363
2588 local $/; 3364 local $/;
2589 *CFG = YAML::Syck::Load <$fh>; 3365 *CFG = YAML::Load <$fh>;
2590 3366
2591 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3367 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592 3368
2593 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3369 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3370 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2600 }; 3376 };
2601 warn $@ if $@; 3377 warn $@ if $@;
2602 } 3378 }
2603} 3379}
2604 3380
3381sub pidfile() {
3382 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3383 or die "$PIDFILE: $!";
3384 flock $fh, &Fcntl::LOCK_EX
3385 or die "$PIDFILE: flock: $!";
3386 $fh
3387}
3388
3389# make sure only one server instance is running at any one time
3390sub atomic {
3391 my $fh = pidfile;
3392
3393 my $pid = <$fh>;
3394 kill 9, $pid if $pid > 0;
3395
3396 seek $fh, 0, 0;
3397 print $fh $$;
3398}
3399
2605sub main { 3400sub main {
3401 atomic;
3402
2606 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
2607 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
2608 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609 (async { 3406 (async {
2610 Event::one_event; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
3408 EV::loop EV::LOOP_ONESHOT;
2611 })->prio (Coro::PRIO_MAX); 3409 })->prio (Coro::PRIO_MAX);
2612 }; 3410 };
2613 3411
2614 cfg_load; 3412 {
3413 my $guard = freeze_mainloop;
3414 reload_config;
2615 db_init; 3415 db_init;
2616 load_extensions; 3416 load_extensions;
2617 3417
2618 $TICK_WATCHER->start; 3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419 }
3420
3421 utime time, time, $RUNTIMEFILE;
3422
3423 # no (long-running) fork's whatsoever before this point(!)
3424 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425
2619 Event::loop; 3426 EV::loop;
2620} 3427}
2621 3428
2622############################################################################# 3429#############################################################################
2623# initialisation and cleanup 3430# initialisation and cleanup
2624 3431
2625# install some emergency cleanup handlers 3432# install some emergency cleanup handlers
2626BEGIN { 3433BEGIN {
3434 our %SIGWATCHER = ();
2627 for my $signal (qw(INT HUP TERM)) { 3435 for my $signal (qw(INT HUP TERM)) {
2628 Event->signal ( 3436 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2629 reentrant => 0,
2630 data => WF_AUTOCANCEL,
2631 signal => $signal,
2632 prio => 0,
2633 cb => sub {
2634 cf::cleanup "SIG$signal"; 3437 cf::cleanup "SIG$signal";
2635 },
2636 ); 3438 };
3439 }
3440}
3441
3442sub write_runtime_sync {
3443 # first touch the runtime file to show we are still running:
3444 # the fsync below can take a very very long time.
3445
3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3447
3448 my $guard = cf::lock_acquire "write_runtime";
3449
3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3451 or return;
3452
3453 my $value = $cf::RUNTIME + 90 + 10;
3454 # 10 is the runtime save interval, for a monotonic clock
3455 # 60 allows for the watchdog to kill the server.
3456
3457 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3458 and return;
3459
3460 # always fsync - this file is important
3461 aio_fsync $fh
3462 and return;
3463
3464 # touch it again to show we are up-to-date
3465 aio_utime $fh, undef, undef;
3466
3467 close $fh
3468 or return;
3469
3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3471 and return;
3472
3473 warn "runtime file written.\n";
3474
2637 } 3475 1
3476}
3477
3478our $uuid_lock;
3479our $uuid_skip;
3480
3481sub write_uuid_sync($) {
3482 $uuid_skip ||= $_[0];
3483
3484 return if $uuid_lock;
3485 local $uuid_lock = 1;
3486
3487 my $uuid = "$LOCALDIR/uuid";
3488
3489 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490 or return;
3491
3492 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3493 $uuid_skip = 0;
3494
3495 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3496 and return;
3497
3498 # always fsync - this file is important
3499 aio_fsync $fh
3500 and return;
3501
3502 close $fh
3503 or return;
3504
3505 aio_rename "$uuid~", $uuid
3506 and return;
3507
3508 warn "uuid file written ($value).\n";
3509
3510 1
3511
3512}
3513
3514sub write_uuid($$) {
3515 my ($skip, $sync) = @_;
3516
3517 $sync ? write_uuid_sync $skip
3518 : async { write_uuid_sync $skip };
2638} 3519}
2639 3520
2640sub emergency_save() { 3521sub emergency_save() {
2641 my $freeze_guard = cf::freeze_mainloop; 3522 my $freeze_guard = cf::freeze_mainloop;
2642 3523
… …
2648 # and maps saved/destroyed asynchronously. 3529 # and maps saved/destroyed asynchronously.
2649 warn "begin emergency player save\n"; 3530 warn "begin emergency player save\n";
2650 for my $login (keys %cf::PLAYER) { 3531 for my $login (keys %cf::PLAYER) {
2651 my $pl = $cf::PLAYER{$login} or next; 3532 my $pl = $cf::PLAYER{$login} or next;
2652 $pl->valid or next; 3533 $pl->valid or next;
3534 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653 $pl->save; 3535 $pl->save;
2654 } 3536 }
2655 warn "end emergency player save\n"; 3537 warn "end emergency player save\n";
2656 3538
2657 warn "begin emergency map save\n"; 3539 warn "begin emergency map save\n";
… …
2663 warn "end emergency map save\n"; 3545 warn "end emergency map save\n";
2664 3546
2665 warn "begin emergency database checkpoint\n"; 3547 warn "begin emergency database checkpoint\n";
2666 BDB::db_env_txn_checkpoint $DB_ENV; 3548 BDB::db_env_txn_checkpoint $DB_ENV;
2667 warn "end emergency database checkpoint\n"; 3549 warn "end emergency database checkpoint\n";
3550
3551 warn "begin write uuid\n";
3552 write_uuid_sync 1;
3553 warn "end write uuid\n";
2668 }; 3554 };
2669 3555
2670 warn "leave emergency perl save\n"; 3556 warn "leave emergency perl save\n";
2671} 3557}
2672 3558
2673sub post_cleanup { 3559sub post_cleanup {
2674 my ($make_core) = @_; 3560 my ($make_core) = @_;
2675 3561
2676 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
2677 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
2678} 3567}
3568
3569# a safer delete_package, copied from Symbol
3570sub clear_package($) {
3571 my $pkg = shift;
3572
3573 # expand to full symbol table name if needed
3574 unless ($pkg =~ /^main::.*::$/) {
3575 $pkg = "main$pkg" if $pkg =~ /^::/;
3576 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3577 $pkg .= '::' unless $pkg =~ /::$/;
3578 }
3579
3580 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3581 my $stem_symtab = *{$stem}{HASH};
3582
3583 defined $stem_symtab and exists $stem_symtab->{$leaf}
3584 or return;
3585
3586 # clear all symbols
3587 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588 for my $name (keys %$leaf_symtab) {
3589 _gv_clear *{"$pkg$name"};
3590# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591 }
3592 warn "cleared package #$pkg\n";#d#
3593}
3594
3595our $RELOAD; # how many times to reload
2679 3596
2680sub do_reload_perl() { 3597sub do_reload_perl() {
2681 # can/must only be called in main 3598 # can/must only be called in main
2682 if ($Coro::current != $Coro::main) { 3599 if ($Coro::current != $Coro::main) {
2683 warn "can only reload from main coroutine"; 3600 warn "can only reload from main coroutine";
2684 return; 3601 return;
2685 } 3602 }
2686 3603
3604 return if $RELOAD++;
3605
3606 while ($RELOAD) {
2687 warn "reloading..."; 3607 warn "reloading...";
2688 3608
2689 warn "entering sync_job"; 3609 warn "entering sync_job";
2690 3610
2691 cf::sync_job { 3611 cf::sync_job {
2692 cf::write_runtime; # external watchdog should not bark 3612 cf::write_runtime_sync; # external watchdog should not bark
2693 cf::emergency_save; 3613 cf::emergency_save;
2694 cf::write_runtime; # external watchdog should not bark 3614 cf::write_runtime_sync; # external watchdog should not bark
2695 3615
2696 warn "syncing database to disk"; 3616 warn "syncing database to disk";
2697 BDB::db_env_txn_checkpoint $DB_ENV; 3617 BDB::db_env_txn_checkpoint $DB_ENV;
2698 3618
2699 # if anything goes wrong in here, we should simply crash as we already saved 3619 # if anything goes wrong in here, we should simply crash as we already saved
2700 3620
2701 warn "cancelling all WF_AUTOCANCEL watchers";
2702 for (Event::all_watchers) {
2703 $_->cancel if $_->data & WF_AUTOCANCEL;
2704 }
2705
2706 warn "flushing outstanding aio requests"; 3621 warn "flushing outstanding aio requests";
2707 for (;;) {
2708 BDB::flush;
2709 IO::AIO::flush;
2710 Coro::cede;
2711 last unless IO::AIO::nreqs || BDB::nreqs; 3622 while (IO::AIO::nreqs || BDB::nreqs) {
2712 warn "iterate..."; 3623 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713 }
2714
2715 ++$RELOAD;
2716
2717 warn "cancelling all extension coros";
2718 $_->cancel for values %EXT_CORO;
2719 %EXT_CORO = ();
2720
2721 warn "removing commands";
2722 %COMMAND = ();
2723
2724 warn "removing ext commands";
2725 %EXTCMD = ();
2726
2727 warn "unloading/nuking all extensions";
2728 for my $pkg (@EXTS) {
2729 warn "... unloading $pkg";
2730
2731 if (my $cb = $pkg->can ("unload")) {
2732 eval {
2733 $cb->($pkg);
2734 1
2735 } or warn "$pkg unloaded, but with errors: $@";
2736 } 3624 }
2737 3625
2738 warn "... nuking $pkg"; 3626 warn "cancelling all extension coros";
2739 Symbol::delete_package $pkg; 3627 $_->cancel for values %EXT_CORO;
2740 } 3628 %EXT_CORO = ();
2741 3629
2742 warn "unloading all perl modules loaded from $LIBDIR"; 3630 warn "removing commands";
2743 while (my ($k, $v) = each %INC) { 3631 %COMMAND = ();
2744 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745 3632
3633 warn "removing ext/exti commands";
3634 %EXTCMD = ();
3635 %EXTICMD = ();
3636
3637 warn "unloading/nuking all extensions";
3638 for my $pkg (@EXTS) {
2746 warn "... unloading $k"; 3639 warn "... unloading $pkg";
2747 delete $INC{$k};
2748 3640
2749 $k =~ s/\.pm$//;
2750 $k =~ s/\//::/g;
2751
2752 if (my $cb = $k->can ("unload_module")) { 3641 if (my $cb = $pkg->can ("unload")) {
3642 eval {
2753 $cb->(); 3643 $cb->($pkg);
3644 1
3645 } or warn "$pkg unloaded, but with errors: $@";
3646 }
3647
3648 warn "... clearing $pkg";
3649 clear_package $pkg;
2754 } 3650 }
2755 3651
2756 Symbol::delete_package $k; 3652 warn "unloading all perl modules loaded from $LIBDIR";
3653 while (my ($k, $v) = each %INC) {
3654 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655
3656 warn "... unloading $k";
3657 delete $INC{$k};
3658
3659 $k =~ s/\.pm$//;
3660 $k =~ s/\//::/g;
3661
3662 if (my $cb = $k->can ("unload_module")) {
3663 $cb->();
3664 }
3665
3666 clear_package $k;
2757 } 3667 }
2758 3668
2759 warn "getting rid of safe::, as good as possible"; 3669 warn "getting rid of safe::, as good as possible";
2760 Symbol::delete_package "safe::$_" 3670 clear_package "safe::$_"
2761 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3671 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762 3672
2763 warn "unloading cf.pm \"a bit\""; 3673 warn "unloading cf.pm \"a bit\"";
2764 delete $INC{"cf.pm"}; 3674 delete $INC{"cf.pm"};
2765 delete $INC{"cf/pod.pm"}; 3675 delete $INC{"cf/pod.pm"};
2766 3676
2767 # don't, removes xs symbols, too, 3677 # don't, removes xs symbols, too,
2768 # and global variables created in xs 3678 # and global variables created in xs
2769 #Symbol::delete_package __PACKAGE__; 3679 #clear_package __PACKAGE__;
2770 3680
2771 warn "unload completed, starting to reload now"; 3681 warn "unload completed, starting to reload now";
2772 3682
2773 warn "reloading cf.pm"; 3683 warn "reloading cf.pm";
2774 require cf; 3684 require cf;
2775 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3685 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776 3686
2777 warn "loading config and database again"; 3687 warn "loading config and database again";
2778 cf::cfg_load; 3688 cf::reload_config;
2779 3689
2780 warn "loading extensions"; 3690 warn "loading extensions";
2781 cf::load_extensions; 3691 cf::load_extensions;
2782 3692
2783 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
2784 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
2785 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
2786 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
2787 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
2788 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
2789 3699
2790 warn "leaving sync_job"; 3700 warn "leaving sync_job";
2791 3701
2792 1 3702 1
2793 } or do { 3703 } or do {
2794 warn $@; 3704 warn $@;
2795 warn "error while reloading, exiting."; 3705 cf::cleanup "error while reloading, exiting.";
2796 exit 1;
2797 }; 3706 };
2798 3707
2799 warn "reloaded"; 3708 warn "reloaded";
3709 --$RELOAD;
3710 }
2800}; 3711};
2801 3712
2802our $RELOAD_WATCHER; # used only during reload 3713our $RELOAD_WATCHER; # used only during reload
2803 3714
2804sub reload_perl() { 3715sub reload_perl() {
2805 # doing reload synchronously and two reloads happen back-to-back, 3716 # doing reload synchronously and two reloads happen back-to-back,
2806 # coro crashes during coro_state_free->destroy here. 3717 # coro crashes during coro_state_free->destroy here.
2807 3718
2808 $RELOAD_WATCHER ||= Event->timer ( 3719 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809 reentrant => 0,
2810 after => 0,
2811 data => WF_AUTOCANCEL,
2812 cb => sub {
2813 do_reload_perl; 3720 do_reload_perl;
2814 undef $RELOAD_WATCHER; 3721 undef $RELOAD_WATCHER;
2815 },
2816 ); 3722 };
2817} 3723}
2818 3724
2819register_command "reload" => sub { 3725register_command "reload" => sub {
2820 my ($who, $arg) = @_; 3726 my ($who, $arg) = @_;
2821 3727
2822 if ($who->flag (FLAG_WIZ)) { 3728 if ($who->flag (FLAG_WIZ)) {
2823 $who->message ("reloading server."); 3729 $who->message ("reloading server.");
3730 async {
3731 $Coro::current->{desc} = "perl_reload";
2824 async { reload_perl }; 3732 reload_perl;
3733 };
2825 } 3734 }
2826}; 3735};
2827 3736
2828unshift @INC, $LIBDIR; 3737unshift @INC, $LIBDIR;
2829 3738
… …
2831 3740
2832our @WAIT_FOR_TICK; 3741our @WAIT_FOR_TICK;
2833our @WAIT_FOR_TICK_BEGIN; 3742our @WAIT_FOR_TICK_BEGIN;
2834 3743
2835sub wait_for_tick { 3744sub wait_for_tick {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2838 3746
2839 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK, $signal; 3748 push @WAIT_FOR_TICK, $signal;
2841 $signal->wait; 3749 $signal->wait;
2842} 3750}
2843 3751
2844sub wait_for_tick_begin { 3752sub wait_for_tick_begin {
2845 return unless $TICK_WATCHER->is_active;
2846 return if $Coro::current == $Coro::main; 3753 return if tick_inhibit || $Coro::current == $Coro::main;
2847 3754
2848 my $signal = new Coro::Signal; 3755 my $signal = new Coro::Signal;
2849 push @WAIT_FOR_TICK_BEGIN, $signal; 3756 push @WAIT_FOR_TICK_BEGIN, $signal;
2850 $signal->wait; 3757 $signal->wait;
2851} 3758}
2852 3759
2853$TICK_WATCHER = Event->timer ( 3760sub tick {
2854 reentrant => 0,
2855 parked => 1,
2856 prio => 0,
2857 at => $NEXT_TICK || $TICK,
2858 data => WF_AUTOCANCEL,
2859 cb => sub {
2860 if ($Coro::current != $Coro::main) { 3761 if ($Coro::current != $Coro::main) {
2861 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3762 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862 unless ++$bug_warning > 10; 3763 unless ++$bug_warning > 10;
2863 return; 3764 return;
2864 } 3765 }
2865 3766
2866 $NOW = $tick_start = Event::time;
2867
2868 cf::server_tick; # one server iteration 3767 cf::server_tick; # one server iteration
2869 3768
2870 $RUNTIME += $TICK;
2871 $NEXT_TICK += $TICK;
2872
2873 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3769 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874 $NEXT_RUNTIME_WRITE = $NOW + 10; 3770 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875 Coro::async_pool { 3771 Coro::async_pool {
3772 $Coro::current->{desc} = "runtime saver";
2876 write_runtime 3773 write_runtime_sync
2877 or warn "ERROR: unable to write runtime file: $!"; 3774 or warn "ERROR: unable to write runtime file: $!";
2878 };
2879 } 3775 };
3776 }
2880 3777
2881# my $AFTER = Event::time;
2882# warn $AFTER - $NOW;#d#
2883
2884 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3778 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885 $sig->send; 3779 $sig->send;
2886 } 3780 }
2887 while (my $sig = shift @WAIT_FOR_TICK) { 3781 while (my $sig = shift @WAIT_FOR_TICK) {
2888 $sig->send; 3782 $sig->send;
2889 } 3783 }
2890 3784
2891 $NOW = Event::time; 3785 $LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893 # if we are delayed by four ticks or more, skip them all
2894 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896 $TICK_WATCHER->at ($NEXT_TICK);
2897 $TICK_WATCHER->start;
2898
2899 $LOAD = ($NOW - $tick_start) / $TICK;
2900 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3786 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901 3787
2902 _post_tick; 3788 if (0) {
2903 3789 if ($NEXT_TICK) {
2904 3790 my $jitter = $TICK_START - $NEXT_TICK;
3791 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792 warn "jitter $JITTER\n";#d#
3793 }
2905 }, 3794 }
2906); 3795}
2907 3796
2908{ 3797{
2909 BDB::max_poll_time $TICK * 0.1; 3798 # configure BDB
2910 $BDB_POLL_WATCHER = Event->io ( 3799
2911 reentrant => 0,
2912 fd => BDB::poll_fileno,
2913 poll => 'r',
2914 prio => 0,
2915 data => WF_AUTOCANCEL,
2916 cb => \&BDB::poll_cb,
2917 );
2918 BDB::min_parallel 8; 3800 BDB::min_parallel 8;
2919 3801 BDB::max_poll_reqs $TICK * 0.1;
2920 BDB::set_sync_prepare { 3802 $AnyEvent::BDB::WATCHER->priority (1);
2921 my $status;
2922 my $current = $Coro::current;
2923 (
2924 sub {
2925 $status = $!;
2926 $current->ready; undef $current;
2927 },
2928 sub {
2929 Coro::schedule while defined $current;
2930 $! = $status;
2931 },
2932 )
2933 };
2934 3803
2935 unless ($DB_ENV) { 3804 unless ($DB_ENV) {
2936 $DB_ENV = BDB::db_env_create; 3805 $DB_ENV = BDB::db_env_create;
3806 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3807 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3808 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3809 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3810 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937 3811
2938 cf::sync_job { 3812 cf::sync_job {
2939 eval { 3813 eval {
2940 BDB::db_env_open 3814 BDB::db_env_open
2941 $DB_ENV, 3815 $DB_ENV,
… …
2943 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3817 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3818 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945 0666; 3819 0666;
2946 3820
2947 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3821 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950 $DB_ENV->set_lk_detect;
2951 }; 3822 };
2952 3823
2953 cf::cleanup "db_env_open(db): $@" if $@; 3824 cf::cleanup "db_env_open(db): $@" if $@;
2954 }; 3825 };
2955 } 3826 }
3827
3828 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3829 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3830 };
3831 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3832 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3833 };
3834 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3835 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3836 };
2956} 3837}
2957 3838
2958{ 3839{
3840 # configure IO::AIO
3841
2959 IO::AIO::min_parallel 8; 3842 IO::AIO::min_parallel 8;
2960
2961 undef $Coro::AIO::WATCHER;
2962 IO::AIO::max_poll_time $TICK * 0.1; 3843 IO::AIO::max_poll_time $TICK * 0.1;
2963 $AIO_POLL_WATCHER = Event->io ( 3844 undef $AnyEvent::AIO::WATCHER;
2964 reentrant => 0,
2965 data => WF_AUTOCANCEL,
2966 fd => IO::AIO::poll_fileno,
2967 poll => 'r',
2968 prio => 6,
2969 cb => \&IO::AIO::poll_cb,
2970 );
2971} 3845}
2972 3846
2973my $_log_backtrace; 3847my $_log_backtrace;
2974 3848
2975sub _log_backtrace { 3849sub _log_backtrace {
… …
2978 $msg =~ s/\n//; 3852 $msg =~ s/\n//;
2979 3853
2980 # limit the # of concurrent backtraces 3854 # limit the # of concurrent backtraces
2981 if ($_log_backtrace < 2) { 3855 if ($_log_backtrace < 2) {
2982 ++$_log_backtrace; 3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
2983 async { 3858 async {
3859 $Coro::current->{desc} = "abt $msg";
3860
2984 my @bt = fork_call { 3861 my @bt = fork_call {
2985 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
2986 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3863 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3864 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988 or die "addr2line: $!"; 3865 or die "addr2line: $!";
… …
2996 } 3873 }
2997 3874
2998 @funcs 3875 @funcs
2999 }; 3876 };
3000 3877
3001 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002 LOG llevInfo, "[ABT] $_\n" for @bt; 3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3003 --$_log_backtrace; 3881 --$_log_backtrace;
3004 }; 3882 };
3005 } else { 3883 } else {
3006 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";

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