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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.259 by root, Sat Apr 21 17:46:39 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$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$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 74
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 76
49our %COMMAND = (); 77our %COMMAND = ();
50our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
51 79
52our @EXTS = (); # list of extension package names 80our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 81our %EXTCMD = ();
82our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
56 85
57our $RELOAD; # number of reloads so far 86our $RELOAD; # number of reloads so far
58our @EVENT; 87our @EVENT;
59 88
60our $CONFDIR = confdir; 89our $CONFDIR = confdir;
61our $DATADIR = datadir; 90our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 91our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 92our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 93our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 94our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 95our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 98our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
103our %RESOURCE;
71 104
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 105our $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 106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 107our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 108our $USE_FSYNC = 1; # use fsync to write maps - default off
79 109
110our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 112our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 113our $DB_ENV;
82 114
83our %CFG; 115our %CFG;
84 116
85our $UPTIME; $UPTIME ||= time; 117our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 118our $RUNTIME;
119our $NOW;
87 120
88our %PLAYER; # all users 121our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 122our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 123our $LINK_MAP; # the special {link} map, which is always available
91 124
92# used to convert map paths into valid unix filenames by replacing / by ∕ 125# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 126our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 127
128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
129our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter
131our $TICK_START; # for load detecting purposes
132
95binmode STDOUT; 133binmode STDOUT;
96binmode STDERR; 134binmode STDERR;
97 135
98# read virtual server time, if available 136# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 138 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
103} 141}
104 142
105mkdir $_ 143mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
139 177
140=item $cf::TICK 178=item $cf::TICK
141 179
142The interval between server ticks, in seconds. 180The interval between server ticks, in seconds.
143 181
182=item $cf::LOADAVG
183
184The current CPU load on the server (alpha-smoothed), as a value between 0
185(none) and 1 (overloaded), indicating how much time is spent on processing
186objects per tick. Healthy values are < 0.5.
187
188=item $cf::LOAD
189
190The raw value load value from the last tick.
191
144=item %cf::CFG 192=item %cf::CFG
145 193
146Configuration for the server, loaded from C</etc/crossfire/config>, or 194Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 195from wherever your confdir points to.
148 196
149=item cf::wait_for_tick, cf::wait_for_tick_begin 197=item cf::wait_for_tick, cf::wait_for_tick_begin
150 198
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 199These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 200returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 201per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 202
203=item @cf::INVOKE_RESULTS
204
205This array contains the results of the last C<invoke ()> call. When
206C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
207that call.
208
155=back 209=back
156 210
157=cut 211=cut
158 212
159BEGIN { 213BEGIN {
… …
163 $msg .= "\n" 217 $msg .= "\n"
164 unless $msg =~ /\n$/; 218 unless $msg =~ /\n$/;
165 219
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 220 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 221
168 utf8::encode $msg;
169 LOG llevError, $msg; 222 LOG llevError, $msg;
170 }; 223 };
171} 224}
225
226$Coro::State::DIEHOOK = sub {
227 return unless $^S eq 0; # "eq", not "=="
228
229 if ($Coro::current == $Coro::main) {#d#
230 warn "DIEHOOK called in main context, Coro bug?\n";#d#
231 return;#d#
232 }#d#
233
234 # kill coroutine otherwise
235 warn Carp::longmess $_[0];
236 Coro::terminate
237};
238
239$SIG{__DIE__} = sub { }; #d#?
172 240
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 241@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 242@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 243@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 244@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 245@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
246@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 247@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 248
180# we bless all objects into (empty) derived classes to force a method lookup 249# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 250# within the Safe compartment.
182for my $pkg (qw( 251for my $pkg (qw(
183 cf::global cf::attachable 252 cf::global cf::attachable
184 cf::object cf::object::player 253 cf::object cf::object::player
185 cf::client cf::player 254 cf::client cf::player
186 cf::arch cf::living 255 cf::arch cf::living
256 cf::map cf::mapspace
187 cf::map cf::party cf::region 257 cf::party cf::region
188)) { 258)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 259 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 260}
192 261
193$Event::DIED = sub { 262$EV::DIED = sub {
194 warn "error in event callback: @_"; 263 warn "error in event callback: @_";
195}; 264};
265
266#############################################################################
196 267
197=head2 UTILITY FUNCTIONS 268=head2 UTILITY FUNCTIONS
198 269
199=over 4 270=over 4
200 271
… …
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 290 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 291 $d
221 } || "[unable to dump $_[0]: '$@']"; 292 } || "[unable to dump $_[0]: '$@']";
222} 293}
223 294
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 295=item $ref = cf::decode_json $json
227 296
228Converts a JSON string into the corresponding perl data structure. 297Converts a JSON string into the corresponding perl data structure.
229 298
230=item $json = cf::to_json $ref 299=item $json = cf::encode_json $ref
231 300
232Converts a perl data structure into its JSON representation. 301Converts a perl data structure into its JSON representation.
302
303=cut
304
305our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
306
307sub encode_json($) { $json_coder->encode ($_[0]) }
308sub decode_json($) { $json_coder->decode ($_[0]) }
233 309
234=item cf::lock_wait $string 310=item cf::lock_wait $string
235 311
236Wait until the given lock is available. See cf::lock_acquire. 312Wait until the given lock is available. See cf::lock_acquire.
237 313
… …
240Wait until the given lock is available and then acquires it and returns 316Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 317a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 318for example when the coroutine gets canceled), the lock is automatically
243returned. 319returned.
244 320
321Locks are *not* recursive, locking from the same coro twice results in a
322deadlocked coro.
323
245Lock names should begin with a unique identifier (for example, cf::map::find 324Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 325uses map_find and cf::map::load uses map_load).
247 326
248=item $locked = cf::lock_active $string 327=item $locked = cf::lock_active $string
249 328
250Return true if the lock is currently active, i.e. somebody has locked it. 329Return true if the lock is currently active, i.e. somebody has locked it.
251 330
252=cut 331=cut
253 332
254our %LOCK; 333our %LOCK;
334our %LOCKER;#d#
255 335
256sub lock_wait($) { 336sub lock_wait($) {
257 my ($key) = @_; 337 my ($key) = @_;
338
339 if ($LOCKER{$key} == $Coro::current) {#d#
340 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341 return;#d#
342 }#d#
258 343
259 # wait for lock, if any 344 # wait for lock, if any
260 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 346 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 347 Coro::schedule;
… …
268 353
269 # wait, to be sure we are not locked 354 # wait, to be sure we are not locked
270 lock_wait $key; 355 lock_wait $key;
271 356
272 $LOCK{$key} = []; 357 $LOCK{$key} = [];
358 $LOCKER{$key} = $Coro::current;#d#
273 359
274 Coro::guard { 360 Coro::guard {
361 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 362 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 363 $_->ready for @{ delete $LOCK{$key} };
277 } 364 }
278} 365}
279 366
… …
282 369
283 ! ! $LOCK{$key} 370 ! ! $LOCK{$key}
284} 371}
285 372
286sub freeze_mainloop { 373sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 374 tick_inhibit_inc;
288 375
289 my $guard = Coro::guard { 376 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 377}
378
379=item cf::periodic $interval, $cb
380
381Like EV::periodic, but randomly selects a starting point so that the actions
382get spread over timer.
383
384=cut
385
386sub periodic($$) {
387 my ($interval, $cb) = @_;
388
389 my $start = rand List::Util::min 180, $interval;
390
391 EV::periodic $start, $interval, 0, $cb
392}
393
394=item cf::get_slot $time[, $priority[, $name]]
395
396Allocate $time seconds of blocking CPU time at priority C<$priority>:
397This call blocks and returns only when you have at least C<$time> seconds
398of cpu time till the next tick. The slot is only valid till the next cede.
399
400The optional C<$name> can be used to identify the job to run. It might be
401used for statistical purposes and should identify the same time-class.
402
403Useful for short background jobs.
404
405=cut
406
407our @SLOT_QUEUE;
408our $SLOT_QUEUE;
409
410$SLOT_QUEUE->cancel if $SLOT_QUEUE;
411$SLOT_QUEUE = Coro::async {
412 $Coro::current->desc ("timeslot manager");
413
414 my $signal = new Coro::Signal;
415
416 while () {
417 next_job:
418 my $avail = cf::till_tick;
419 if ($avail > 0.01) {
420 for (0 .. $#SLOT_QUEUE) {
421 if ($SLOT_QUEUE[$_][0] < $avail) {
422 my $job = splice @SLOT_QUEUE, $_, 1, ();
423 $job->[2]->send;
424 Coro::cede;
425 goto next_job;
426 }
427 }
428 }
429
430 if (@SLOT_QUEUE) {
431 # we do not use wait_for_tick() as it returns immediately when tick is inactive
432 push @cf::WAIT_FOR_TICK, $signal;
433 $signal->wait;
434 } else {
435 Coro::schedule;
436 }
291 }; 437 }
292 $TICK_WATCHER->stop; 438};
293 $guard 439
440sub get_slot($;$$) {
441 return if tick_inhibit || $Coro::current == $Coro::main;
442
443 my ($time, $pri, $name) = @_;
444
445 $time = $TICK * .6 if $time > $TICK * .6;
446 my $sig = new Coro::Signal;
447
448 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
449 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
450 $SLOT_QUEUE->ready;
451 $sig->wait;
294} 452}
295 453
296=item cf::async { BLOCK } 454=item cf::async { BLOCK }
297 455
298Currently the same as Coro::async_pool, meaning you cannot use 456Currently the same as Coro::async_pool, meaning you cannot use
… …
303 461
304BEGIN { *async = \&Coro::async_pool } 462BEGIN { *async = \&Coro::async_pool }
305 463
306=item cf::sync_job { BLOCK } 464=item cf::sync_job { BLOCK }
307 465
308The design of crossfire+ requires that the main coro ($Coro::main) is 466The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 467is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 468partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
469acceptable.
311 470
312If it must be done, put the blocking parts into C<sync_job>. This will run 471If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 472the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 473server will be frozen during this time, so the block should either finish
315fast or be very important. 474fast or be very important.
… …
318 477
319sub sync_job(&) { 478sub sync_job(&) {
320 my ($job) = @_; 479 my ($job) = @_;
321 480
322 if ($Coro::current == $Coro::main) { 481 if ($Coro::current == $Coro::main) {
482 my $time = EV::time;
483
323 # this is the main coro, too bad, we have to block 484 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 485 # till the operation succeeds, freezing the server :/
325 486
326 # TODO: use suspend/resume instead 487 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 488
328 my $freeze_guard = freeze_mainloop; 489 my $freeze_guard = freeze_mainloop;
329 490
330 my $busy = 1; 491 my $busy = 1;
331 my @res; 492 my @res;
332 493
333 (async { 494 (async {
495 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 496 @res = eval { $job->() };
335 warn $@ if $@; 497 warn $@ if $@;
336 undef $busy; 498 undef $busy;
337 })->prio (Coro::PRIO_MAX); 499 })->prio (Coro::PRIO_MAX);
338 500
339 while ($busy) { 501 while ($busy) {
340 Coro::cede or Event::one_event; 502 if (Coro::nready) {
503 Coro::cede_notself;
504 } else {
505 EV::loop EV::LOOP_ONESHOT;
341 } 506 }
507 }
508
509 my $time = EV::time - $time;
510
511 $TICK_START += $time; # do not account sync jobs to server load
342 512
343 wantarray ? @res : $res[0] 513 wantarray ? @res : $res[0]
344 } else { 514 } else {
345 # we are in another coroutine, how wonderful, everything just works 515 # we are in another coroutine, how wonderful, everything just works
346 516
… …
366 $EXT_CORO{$coro+0} = $coro; 536 $EXT_CORO{$coro+0} = $coro;
367 537
368 $coro 538 $coro
369} 539}
370 540
371sub write_runtime { 541=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 542
374 my $runtime = "$LOCALDIR/runtime"; 543Executes the given code block with the given arguments in a seperate
544process, returning the results. Everything must be serialisable with
545Coro::Storable. May, of course, block. Note that the executed sub may
546never block itself or use any form of event handling.
375 547
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 548=cut
377 or return;
378 549
379 my $value = $cf::RUNTIME + 90 + 10; 550sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 551 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 552
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 553 # we seemingly have to make a local copy of the whole thing,
384 and return; 554 # otherwise perl prematurely frees the stuff :/
555 # TODO: investigate and fix (likely this will be rather laborious)
385 556
386 # always fsync - this file is important 557 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 558 reset_signals;
388 and return; 559 &$cb
560 }, @args;
389 561
390 close $fh 562 wantarray ? @res : $res[-1]
391 or return; 563}
392 564
393 aio_rename "$runtime~", $runtime 565=item $coin = coin_from_name $name
394 and return;
395 566
567=cut
568
569our %coin_alias = (
570 "silver" => "silvercoin",
571 "silvercoin" => "silvercoin",
572 "silvercoins" => "silvercoin",
573 "gold" => "goldcoin",
574 "goldcoin" => "goldcoin",
575 "goldcoins" => "goldcoin",
576 "platinum" => "platinacoin",
577 "platinumcoin" => "platinacoin",
578 "platinumcoins" => "platinacoin",
579 "platina" => "platinacoin",
580 "platinacoin" => "platinacoin",
581 "platinacoins" => "platinacoin",
582 "royalty" => "royalty",
583 "royalties" => "royalty",
584);
585
586sub coin_from_name($) {
587 $coin_alias{$_[0]}
588 ? cf::arch::find $coin_alias{$_[0]}
589 : undef
590}
591
592=item $value = cf::db_get $family => $key
593
594Returns a single value from the environment database.
595
596=item cf::db_put $family => $key => $value
597
598Stores the given C<$value> in the family. It can currently store binary
599data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
600
601=item $db = cf::db_table "name"
602
603Create and/or open a new database table. The string must not be "db" and must be unique
604within each server.
605
606=cut
607
608sub db_table($) {
609 my ($name) = @_;
610 my $db = BDB::db_create $DB_ENV;
611
612 eval {
613 $db->set_flags (BDB::CHKSUM);
614
615 utf8::encode $name;
616 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
617 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
618 cf::cleanup "db_open(db): $!" if $!;
619 };
620 cf::cleanup "db_open(db): $@" if $@;
621
622 $db
623}
624
625our $DB;
626
627sub db_init {
628 cf::sync_job {
629 $DB ||= db_table "db";
630 };
631}
632
633sub db_get($$) {
634 my $key = "$_[0]/$_[1]";
635
636 cf::sync_job {
637 BDB::db_get $DB, undef, $key, my $data;
638
639 $! ? ()
640 : $data
396 1 641 }
642}
643
644sub db_put($$$) {
645 BDB::dbreq_pri 4;
646 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
647}
648
649=item cf::cache $id => [$paths...], $processversion => $process
650
651Generic caching function that returns the value of the resource $id,
652caching and regenerating as required.
653
654This function can block.
655
656=cut
657
658sub cache {
659 my ($id, $src, $processversion, $process) = @_;
660
661 my $meta =
662 join "\x00",
663 $processversion,
664 map {
665 aio_stat $_
666 and Carp::croak "$_: $!";
667
668 ($_, (stat _)[7,9])
669 } @$src;
670
671 my $dbmeta = db_get cache => "$id/meta";
672 if ($dbmeta ne $meta) {
673 # changed, we may need to process
674
675 my @data;
676 my $md5;
677
678 for (0 .. $#$src) {
679 0 <= aio_load $src->[$_], $data[$_]
680 or Carp::croak "$src->[$_]: $!";
681 }
682
683 # if processing is expensive, check
684 # checksum first
685 if (1) {
686 $md5 =
687 join "\x00",
688 $processversion,
689 map {
690 cf::cede_to_tick;
691 ($src->[$_], Digest::MD5::md5_hex $data[$_])
692 } 0.. $#$src;
693
694
695 my $dbmd5 = db_get cache => "$id/md5";
696 if ($dbmd5 eq $md5) {
697 db_put cache => "$id/meta", $meta;
698
699 return db_get cache => "$id/data";
700 }
701 }
702
703 my $t1 = Time::HiRes::time;
704 my $data = $process->(\@data);
705 my $t2 = Time::HiRes::time;
706
707 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
708
709 db_put cache => "$id/data", $data;
710 db_put cache => "$id/md5" , $md5;
711 db_put cache => "$id/meta", $meta;
712
713 return $data;
714 }
715
716 db_get cache => "$id/data"
397} 717}
398 718
399=item cf::datalog type => key => value, ... 719=item cf::datalog type => key => value, ...
400 720
401Log a datalog packet of the given type with the given key-value pairs. 721Log a datalog packet of the given type with the given key-value pairs.
… …
413 733
414############################################################################# 734#############################################################################
415 735
416=head2 ATTACHABLE OBJECTS 736=head2 ATTACHABLE OBJECTS
417 737
418Many objects in crossfire are so-called attachable objects. That means you can 738Many objects in deliantra are so-called attachable objects. That means you can
419attach callbacks/event handlers (a collection of which is called an "attachment") 739attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 740to it. All such attachable objects support the following methods.
421 741
422In the following description, CLASS can be any of C<global>, C<object> 742In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 743C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 744Deliantra).
425 745
426=over 4 746=over 4
427 747
428=item $attachable->attach ($attachment, key => $value...) 748=item $attachable->attach ($attachment, key => $value...)
429 749
… …
473=item cf::CLASS::attachment $name, ... 793=item cf::CLASS::attachment $name, ...
474 794
475Register an attachment by C<$name> through which attachable objects of the 795Register an attachment by C<$name> through which attachable objects of the
476given CLASS can refer to this attachment. 796given CLASS can refer to this attachment.
477 797
478Some classes such as crossfire maps and objects can specify attachments 798Some classes such as deliantra maps and objects can specify attachments
479that are attached at load/instantiate time, thus the need for a name. 799that are attached at load/instantiate time, thus the need for a name.
480 800
481These calls expect any number of the following handler/hook descriptions: 801These calls expect any number of the following handler/hook descriptions:
482 802
483=over 4 803=over 4
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 912 $registry = $CB_TYPE[$object_type] ||= [];
593 913
594 } elsif ($type eq "subtype") { 914 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 915 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 916 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 917 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 918
599 } elsif ($type eq "package") { 919 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 920 my $pkg = shift @arg;
601 921
602 while (my ($name, $id) = each %cb_id) { 922 while (my ($name, $id) = each %cb_id) {
… …
631 _attach $registry, $klass, @attach; 951 _attach $registry, $klass, @attach;
632 } 952 }
633 953
634 $obj->{$name} = \%arg; 954 $obj->{$name} = \%arg;
635 } else { 955 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 956 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 957 }
638 958
639 $obj->{_attachment}{$name} = undef; 959 $obj->{_attachment}{$name} = undef;
640} 960}
641 961
… …
643 if (ref $_[0]) { 963 if (ref $_[0]) {
644 _object_attach @_; 964 _object_attach @_;
645 } else { 965 } else {
646 _attach shift->_attach_registry, @_; 966 _attach shift->_attach_registry, @_;
647 } 967 }
968 _recalc_want;
648}; 969};
649 970
650# all those should be optimised 971# all those should be optimised
651sub cf::attachable::detach { 972sub cf::attachable::detach {
652 my ($obj, $name) = @_; 973 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 976 delete $obj->{_attachment}{$name};
656 reattach ($obj); 977 reattach ($obj);
657 } else { 978 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 979 Carp::croak "cannot, currently, detach class attachments";
659 } 980 }
981 _recalc_want;
660}; 982};
661 983
662sub cf::attachable::attached { 984sub cf::attachable::attached {
663 my ($obj, $name) = @_; 985 my ($obj, $name) = @_;
664 986
… …
679 "; 1001 ";
680 die if $@; 1002 die if $@;
681} 1003}
682 1004
683our $override; 1005our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1006our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 1007
686sub override { 1008sub override {
687 $override = 1; 1009 $override = 1;
688 @invoke_results = (); 1010 @INVOKE_RESULTS = (@_);
689} 1011}
690 1012
691sub do_invoke { 1013sub do_invoke {
692 my $event = shift; 1014 my $event = shift;
693 my $callbacks = shift; 1015 my $callbacks = shift;
694 1016
695 @invoke_results = (); 1017 @INVOKE_RESULTS = ();
696 1018
697 local $override; 1019 local $override;
698 1020
699 for (@$callbacks) { 1021 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1022 eval { &{$_->[1]} };
… …
709 } 1031 }
710 1032
711 0 1033 0
712} 1034}
713 1035
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1037
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1039
718Generate an object-specific event with the given arguments. 1040Generate an object-specific event with the given arguments.
719 1041
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1042This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1043removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1044results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1045
724=back 1046=back
725 1047
726=cut 1048=cut
727 1049
728############################################################################# 1050#############################################################################
729# object support 1051# object support
1052
1053sub _object_equal($$);
1054sub _object_equal($$) {
1055 my ($a, $b) = @_;
1056
1057 return 0 unless (ref $a) eq (ref $b);
1058
1059 if ("HASH" eq ref $a) {
1060 my @ka = keys %$a;
1061 my @kb = keys %$b;
1062
1063 return 0 if @ka != @kb;
1064
1065 for (0 .. $#ka) {
1066 return 0 unless $ka[$_] eq $kb[$_];
1067 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1068 }
1069
1070 } elsif ("ARRAY" eq ref $a) {
1071
1072 return 0 if @$a != @$b;
1073
1074 for (0 .. $#$a) {
1075 return 0 unless _object_equal $a->[$_], $b->[$_];
1076 }
1077
1078 } elsif ($a ne $b) {
1079 return 0;
1080 }
1081
1082 1
1083}
1084
1085our $SLOW_MERGES;#d#
1086sub _can_merge {
1087 my ($ob1, $ob2) = @_;
1088
1089 ++$SLOW_MERGES;#d#
1090
1091 # we do the slow way here
1092 return _object_equal $ob1, $ob2
1093}
730 1094
731sub reattach { 1095sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1096 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1097 my ($obj) = @_;
734 1098
1099 # no longer needed after getting rid of delete_package?
735 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1100 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736 1101
737 my $registry = $obj->registry; 1102 my $registry = $obj->registry;
738 1103
739 @$registry = (); 1104 @$registry = ();
740 1105
… …
755cf::attachable->attach ( 1120cf::attachable->attach (
756 prio => -1000000, 1121 prio => -1000000,
757 on_instantiate => sub { 1122 on_instantiate => sub {
758 my ($obj, $data) = @_; 1123 my ($obj, $data) = @_;
759 1124
760 $data = from_json $data; 1125 $data = decode_json $data;
761 1126
762 for (@$data) { 1127 for (@$data) {
763 my ($name, $args) = @$_; 1128 my ($name, $args) = @$_;
764 1129
765 $obj->attach ($name, %{$args || {} }); 1130 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1146sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1147 my ($filename, $rdata, $objs) = @_;
783 1148
784 sync_job { 1149 sync_job {
785 if (length $$rdata) { 1150 if (length $$rdata) {
1151 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1152 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1153 $decname, length $$rdata, scalar @$objs;
788 1154
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1157 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1158 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1159 aio_close $fh;
794 1160
795 if (@$objs) { 1161 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1162 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1163 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1164 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1165 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1166 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1167 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1168 aio_rename "$filename.pst~", "$filename.pst";
803 } 1169 }
804 } else { 1170 } else {
805 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
806 } 1172 }
… …
811 } 1177 }
812 } else { 1178 } else {
813 aio_unlink $filename; 1179 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1180 aio_unlink "$filename.pst";
815 } 1181 }
816 } 1182 };
817} 1183}
818 1184
819sub object_freezer_as_string { 1185sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1186 my ($rdata, $objs) = @_;
821 1187
… …
833 or return; 1199 or return;
834 1200
835 unless (aio_stat "$filename.pst") { 1201 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1202 (aio_load "$filename.pst", $av) >= 0
837 or return; 1203 or return;
1204
838 $av = eval { (Storable::thaw $av)->{objs} }; 1205 my $st = eval { Coro::Storable::thaw $av };
1206 $av = $st->{objs};
839 } 1207 }
840 1208
1209 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1210 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1211 $decname, length $data, scalar @{$av || []};
1212
843 return ($data, $av); 1213 ($data, $av)
844} 1214}
1215
1216=head2 COMMAND CALLBACKS
1217
1218=over 4
1219
1220=cut
845 1221
846############################################################################# 1222#############################################################################
847# command handling &c 1223# command handling &c
848 1224
849=item cf::register_command $name => \&callback($ob,$args); 1225=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1238 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1239}
864 1240
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1241=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1242
867Register a callbackf ro execution when the client sends an extcmd packet. 1243Register a callback for execution when the client sends an (synchronous)
1244extcmd packet. Ext commands will be processed in the order they are
1245received by the server, like other user commands. The first argument is
1246the logged-in player. Ext commands can only be processed after a player
1247has logged in successfully.
868 1248
869If the callback returns something, it is sent back as if reply was being 1249If the callback returns something, it is sent back as if reply was being
870called. 1250called.
871 1251
1252=item cf::register_exticmd $name => \&callback($ns,$packet);
1253
1254Register a callback for execution when the client sends an (asynchronous)
1255exticmd packet. Exti commands are processed by the server as soon as they
1256are received, i.e. out of order w.r.t. other commands. The first argument
1257is a client socket. Exti commands can be received anytime, even before
1258log-in.
1259
1260If the callback returns something, it is sent back as if reply was being
1261called.
1262
872=cut 1263=cut
873 1264
874sub register_extcmd { 1265sub register_extcmd {
875 my ($name, $cb) = @_; 1266 my ($name, $cb) = @_;
876 1267
877 $EXTCMD{$name} = $cb; 1268 $EXTCMD{$name} = $cb;
1269}
1270
1271sub register_exticmd {
1272 my ($name, $cb) = @_;
1273
1274 $EXTICMD{$name} = $cb;
878} 1275}
879 1276
880cf::player->attach ( 1277cf::player->attach (
881 on_command => sub { 1278 on_command => sub {
882 my ($pl, $name, $params) = @_; 1279 my ($pl, $name, $params) = @_;
… …
891 cf::override; 1288 cf::override;
892 }, 1289 },
893 on_extcmd => sub { 1290 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1291 my ($pl, $buf) = @_;
895 1292
896 my $msg = eval { from_json $buf }; 1293 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1294
898 if (ref $msg) { 1295 if (ref $msg) {
1296 my ($type, $reply, @payload) =
1297 "ARRAY" eq ref $msg
1298 ? @$msg
1299 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1300
1301 my @reply;
1302
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1303 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1304 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1305 }
1306
1307 $pl->ext_reply ($reply, @reply)
1308 if $reply;
1309
904 } else { 1310 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1311 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1312 }
907 1313
908 cf::override; 1314 cf::override;
909 }, 1315 },
910); 1316);
911 1317
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1318sub load_extensions {
1319 cf::sync_job {
1320 my %todo;
1321
947 for my $ext (<$LIBDIR/*.ext>) { 1322 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1323 next unless -r $path;
949 eval { 1324
950 load_extension $ext; 1325 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1326 my $base = $1;
1327 my $pkg = $1;
1328 $pkg =~ s/[^[:word:]]/_/g;
1329 $pkg = "ext::$pkg";
1330
1331 open my $fh, "<:utf8", $path
1332 or die "$path: $!";
1333
1334 my $source = do { local $/; <$fh> };
1335
1336 my %ext = (
1337 path => $path,
1338 base => $base,
1339 pkg => $pkg,
1340 );
1341
1342 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1343 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1344
1345 $ext{source} =
1346 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1347 . "#line 1 \"$path\"\n{\n"
1348 . $source
1349 . "\n};\n1";
1350
1351 $todo{$base} = \%ext;
1352 }
1353
1354 my %done;
1355 while (%todo) {
1356 my $progress;
1357
1358 while (my ($k, $v) = each %todo) {
1359 for (split /,\s*/, $v->{meta}{depends}) {
1360 goto skip
1361 unless exists $done{$_};
1362 }
1363
1364 warn "... loading '$k' into '$v->{pkg}'\n";
1365
1366 unless (eval $v->{source}) {
1367 my $msg = $@ ? "$v->{path}: $@\n"
1368 : "$v->{base}: extension inactive.\n";
1369
1370 if (exists $v->{meta}{mandatory}) {
1371 warn $msg;
1372 cf::cleanup "mandatory extension failed to load, exiting.";
1373 }
1374
1375 warn $msg;
1376 }
1377
1378 $done{$k} = delete $todo{$k};
1379 push @EXTS, $v->{pkg};
1380 $progress = 1;
951 1 1381 }
952 } or warn "$ext not loaded: $@"; 1382
1383 skip:
1384 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1385 unless $progress;
1386 }
953 } 1387 };
954} 1388}
955 1389
956############################################################################# 1390#############################################################################
957 1391
1392=back
1393
958=head2 CORE EXTENSIONS 1394=head2 CORE EXTENSIONS
959 1395
960Functions and methods that extend core crossfire objects. 1396Functions and methods that extend core deliantra objects.
961 1397
962=cut 1398=cut
963 1399
964package cf::player; 1400package cf::player;
965 1401
966use Coro::AIO; 1402use Coro::AIO;
967 1403
968=head3 cf::player 1404=head3 cf::player
969 1405
970=over 4 1406=over 4
1407
1408=item cf::player::num_playing
1409
1410Returns the official number of playing players, as per the Crossfire metaserver rules.
1411
1412=cut
1413
1414sub num_playing {
1415 scalar grep
1416 $_->ob->map
1417 && !$_->hidden
1418 && !$_->ob->flag (cf::FLAG_WIZ),
1419 cf::player::list
1420}
971 1421
972=item cf::player::find $login 1422=item cf::player::find $login
973 1423
974Returns the given player object, loading it if necessary (might block). 1424Returns the given player object, loading it if necessary (might block).
975 1425
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1461 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1462 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1463 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1464 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1465
1016 my $pl = load_pl path $login 1466 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1467 or return;
1468
1469 my $pl = cf::player::load_pl $f
1470 or return;
1471
1472 local $cf::PLAYER_LOADING{$login} = $pl;
1473 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1474 $cf::PLAYER{$login} = $pl
1019 } 1475 }
1020 } 1476 }
1021} 1477}
1022 1478
… …
1031 return if $pl->{deny_save}; 1487 return if $pl->{deny_save};
1032 1488
1033 aio_mkdir playerdir $pl, 0770; 1489 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1490 $pl->{last_save} = $cf::RUNTIME;
1035 1491
1492 cf::get_slot 0.01;
1493
1036 $pl->save_pl ($path); 1494 $pl->save_pl ($path);
1037 Coro::cede; 1495 cf::cede_to_tick;
1038} 1496}
1039 1497
1040sub new($) { 1498sub new($) {
1041 my ($login) = @_; 1499 my ($login) = @_;
1042 1500
… …
1048 $cf::PLAYER{$login} = $self; 1506 $cf::PLAYER{$login} = $self;
1049 1507
1050 $self 1508 $self
1051} 1509}
1052 1510
1511=item $player->send_msg ($channel, $msg, $color, [extra...])
1512
1513=cut
1514
1515sub send_msg {
1516 my $ns = shift->ns
1517 or return;
1518 $ns->send_msg (@_);
1519}
1520
1053=item $pl->quit_character 1521=item $pl->quit_character
1054 1522
1055Nukes the player without looking back. If logged in, the connection will 1523Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1524be destroyed. May block for a long time.
1057 1525
… …
1061 my ($pl) = @_; 1529 my ($pl) = @_;
1062 1530
1063 my $name = $pl->ob->name; 1531 my $name = $pl->ob->name;
1064 1532
1065 $pl->{deny_save} = 1; 1533 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1534 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1067 1535
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1536 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1537 $pl->deactivate;
1538 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1539 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1540 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1541 $pl->ns->destroy if $pl->ns;
1072 1542
1073 my $path = playerdir $pl; 1543 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1544 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1110 or return []; 1580 or return [];
1111 1581
1112 my @logins; 1582 my @logins;
1113 1583
1114 for my $login (@$dirs) { 1584 for my $login (@$dirs) {
1585 my $path = path $login;
1586
1587 # a .pst is a dead give-away for a valid player
1588 # if no pst file found, open and chekc for blocked users
1589 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1590 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1591 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1592 $buf !~ /^password -------------$/m or next; # official not-valid tag
1593 }
1118 1594
1119 utf8::decode $login; 1595 utf8::decode $login;
1120 push @logins, $login; 1596 push @logins, $login;
1121 } 1597 }
1122 1598
… …
1149 } 1625 }
1150 1626
1151 \@paths 1627 \@paths
1152} 1628}
1153 1629
1630=item $protocol_xml = $player->expand_cfpod ($cfpod)
1631
1632Expand deliantra pod fragments into protocol xml.
1633
1154=item $player->ext_reply ($msgid, %msg) 1634=item $player->ext_reply ($msgid, @msg)
1155 1635
1156Sends an ext reply to the player. 1636Sends an ext reply to the player.
1157 1637
1158=cut 1638=cut
1159 1639
1160sub ext_reply($$%) { 1640sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1641 my ($self, $id, @msg) = @_;
1162 1642
1163 $msg{msgid} = $id; 1643 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1644}
1167 1645
1168=item $player->ext_event ($type, %msg) 1646=item $player->ext_msg ($type, @msg)
1169 1647
1170Sends an ext event to the client. 1648Sends an ext event to the client.
1171 1649
1172=cut 1650=cut
1173 1651
1174sub ext_event($$%) { 1652sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1653 my ($self, $type, @msg) = @_;
1176 1654
1177 $self->ns->ext_event ($type, %msg); 1655 $self->ns->ext_msg ($type, @msg);
1178} 1656}
1179 1657
1180=head3 cf::region 1658=head3 cf::region
1181 1659
1182=over 4 1660=over 4
… …
1185 1663
1186package cf::region; 1664package cf::region;
1187 1665
1188=item cf::region::find_by_path $path 1666=item cf::region::find_by_path $path
1189 1667
1190Tries to decuce the probable region for a map knowing only its path. 1668Tries to decuce the likely region for a map knowing only its path.
1191 1669
1192=cut 1670=cut
1193 1671
1194sub find_by_path($) { 1672sub find_by_path($) {
1195 my ($path) = @_; 1673 my ($path) = @_;
1196 1674
1197 my ($match, $specificity); 1675 my ($match, $specificity);
1198 1676
1199 for my $region (list) { 1677 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1678 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1679 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1680 if $region->specificity > $specificity;
1203 } 1681 }
1204 } 1682 }
1205 1683
… …
1226our $MAX_RESET = 3600; 1704our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1705our $DEFAULT_RESET = 3000;
1228 1706
1229sub generate_random_map { 1707sub generate_random_map {
1230 my ($self, $rmp) = @_; 1708 my ($self, $rmp) = @_;
1709
1710 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1711
1231 # mit "rum" bekleckern, nicht 1712 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1713 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1714 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1715 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1716 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1269 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1270 1751
1271 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1272 local $self->{path}; 1753 local $self->{path};
1273 local $self->{load_path}; 1754 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1755
1277 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1278} 1757}
1279 1758
1280sub normalise { 1759sub normalise {
… …
1327 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1328 return $self; 1807 return $self;
1329 } 1808 }
1330 } 1809 }
1331 1810
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1812 ()
1334} 1813}
1335 1814
1336sub init { 1815sub init {
1337 my ($self) = @_; 1816 my ($self) = @_;
… …
1359 1838
1360# the temporary/swap location 1839# the temporary/swap location
1361sub save_path { 1840sub save_path {
1362 my ($self) = @_; 1841 my ($self) = @_;
1363 1842
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1844 "$TMPDIR/$path.map"
1366} 1845}
1367 1846
1368# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1369sub uniq_path { 1848sub uniq_path {
1370 my ($self) = @_; 1849 my ($self) = @_;
1371 1850
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1852 "$UNIQUEDIR/$path"
1374} 1853}
1375 1854
1376# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1377# all maps in C++... 1856# all maps in C++...
… …
1380 1859
1381 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1383} 1862}
1384 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1385sub unlink_save { 1872sub unlink_save {
1386 my ($self) = @_; 1873 my ($self) = @_;
1387 1874
1388 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1392 1879
1393sub load_header_from($) { 1880sub load_header_from($) {
1394 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1395 1882
1396 utf8::encode $path; 1883 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1885 or return;
1886
1887 $self->_load_header ($f)
1888 or return;
1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1402 1892
1403 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1404 1894
1405 1 1895 1
1406} 1896}
… …
1445 $self->load_header_orig 1935 $self->load_header_orig
1446 or return; 1936 or return;
1447 $self->prepare_orig; 1937 $self->prepare_orig;
1448 } 1938 }
1449 1939
1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1942
1450 $self->default_region (cf::region::find_by_path $self->{path}) 1943 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 1944 unless $self->default_region;
1452 1945
1453 1 1946 1
1454} 1947}
… …
1457sub find { 1950sub find {
1458 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1459 1952
1460 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1461 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1463 1957
1464 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1959 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 1960 my $guard2 = cf::lock_acquire "map_find:$path";
1961
1466 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1467 or return; 1963 or return;
1468 1964
1469 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1470 1966
1471 $map->load_header 1967 $map->load_header
1472 or return; 1968 or return;
1473 1969
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
1974 undef $guard1;
1477 $map->reset; 1975 $map->reset;
1478 undef $guard;
1479 return find $path; 1976 return find $path;
1480 } 1977 }
1481 1978
1482 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1483 } 1980 }
… …
1492 local $self->{deny_reset} = 1; # loading can take a long time 1989 local $self->{deny_reset} = 1; # loading can take a long time
1493 1990
1494 my $path = $self->{path}; 1991 my $path = $self->{path};
1495 1992
1496 { 1993 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1498 1995
1996 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 1998
1501 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1502 2000
1503 $self->alloc; 2001 $self->alloc;
1504 2002
1505 $self->pre_load; 2003 $self->pre_load;
1506 Coro::cede; 2004 cf::cede_to_tick;
1507 2005
2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2008 $self->_load_objects ($f)
1509 or return; 2009 or return;
1510 2010
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
1512 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1513 2013
1514 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2015 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2018 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1519 } 2022 }
1520 } 2023 }
1521 2024
1522 Coro::cede; 2025 $f->resolve_delayed_derefs;
2026
2027 cf::cede_to_tick;
1523 # now do the right thing for maps 2028 # now do the right thing for maps
1524 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2031 unless $self->difficulty;
1527 Coro::cede; 2032 cf::cede_to_tick;
1528 2033
1529 unless ($self->{deny_activate}) { 2034 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2035 $self->decay_objects;
1531 $self->fix_auto_apply; 2036 $self->fix_auto_apply;
1532 $self->update_buttons; 2037 $self->update_buttons;
1533 Coro::cede; 2038 cf::cede_to_tick;
1534 $self->set_darkness_map; 2039 $self->set_darkness_map;
1535 Coro::cede; 2040 cf::cede_to_tick;
1536 $self->activate; 2041 $self->activate;
1537 } 2042 }
1538 2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2047 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2048 }
1541 2049
1542 $self->post_load; 2050 $self->post_load;
1543} 2051}
1544 2052
… …
1546 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1547 2055
1548 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2057 if $self->per_player;
1550 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1551 $self 2062 $self
1552} 2063}
1553 2064
1554# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2066sub load_neighbours {
1556 my ($map) = @_; 2067 my ($map) = @_;
1557 2068
1558 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1559 2070
1560 for (0 .. 3) { 2071 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1562 or next; 2073 or next;
1563 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1564 or next; 2075 or next;
1565 $neigh->load; 2076 $neigh->load;
1566 2077
2078 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2081 }
1570 2082
1571 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1573 or next; 2086 or next;
1574 $neigh->load; 2087 $neigh->load;
1575 } 2088 }
1576} 2089}
1577 2090
… …
1582} 2095}
1583 2096
1584sub do_load_sync { 2097sub do_load_sync {
1585 my ($map) = @_; 2098 my ($map) = @_;
1586 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1587 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1588} 2104}
1589 2105
1590our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2107our $MAP_PREFETCHER = undef;
1592 2108
1593sub find_async { 2109sub find_async {
1594 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1595 2111
1596 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1597 2113
1598 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2116 }
1601 2117
1602 undef $MAP_PREFETCH{$path}; 2118 $MAP_PREFETCH{$path} |= $load;
2119
1603 $MAP_PREFETCHER ||= cf::async { 2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
1604 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2125 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2126 $map->load if $v;
2127 }
1609 2128
1610 delete $MAP_PREFETCH{$path}; 2129 delete $MAP_PREFETCH{$k};
1611 } 2130 }
1612 } 2131 }
1613 undef $MAP_PREFETCHER; 2132 undef $MAP_PREFETCHER;
1614 }; 2133 };
1615 $MAP_PREFETCHER->prio (6); 2134 $MAP_PREFETCHER->prio (6);
… …
1618} 2137}
1619 2138
1620sub save { 2139sub save {
1621 my ($self) = @_; 2140 my ($self) = @_;
1622 2141
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2143
1625 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1626 2145
1627 return unless $self->dirty; 2146 return unless $self->dirty;
1628 2147
… …
1634 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1635 2154
1636 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1637 2156
1638 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1640 }; 2160 };
2161
2162 cf::get_slot 0.02;
1641 2163
1642 if ($uniq) { 2164 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2165 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2166 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2167 } else {
… …
1651 my ($self) = @_; 2173 my ($self) = @_;
1652 2174
1653 # save first because save cedes 2175 # save first because save cedes
1654 $self->save; 2176 $self->save;
1655 2177
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2178 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2179
1658 return if $self->players; 2180 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2181 return if $self->in_memory != cf::MAP_ACTIVE;
1660 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1661 2183
2184 $self->in_memory (cf::MAP_SWAPPED);
2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2188 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2189}
1665 2190
1666sub reset_at { 2191sub reset_at {
1667 my ($self) = @_; 2192 my ($self) = @_;
1668 2193
1669 # TODO: safety, remove and allow resettable per-player maps 2194 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2195 return 1e99 if $self->{deny_reset};
1672 2196
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2197 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2198 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2199
… …
1686 my ($self) = @_; 2210 my ($self) = @_;
1687 2211
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2212 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2213
1690 return if $self->players; 2214 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2215
1693 warn "resetting map ", $self->path;#d# 2216 warn "resetting map ", $self->path;
1694 2217
1695 $self->in_memory (cf::MAP_SWAPPED); 2218 $self->in_memory (cf::MAP_SWAPPED);
1696 2219
1697 # need to save uniques path 2220 # need to save uniques path
1698 unless ($self->{deny_save}) { 2221 unless ($self->{deny_save}) {
… …
1702 if $uniq; 2225 if $uniq;
1703 } 2226 }
1704 2227
1705 delete $cf::MAP{$self->path}; 2228 delete $cf::MAP{$self->path};
1706 2229
2230 $self->deactivate;
2231 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2232 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2233
1711 $self->unlink_save; 2234 $self->unlink_save;
1712 $self->destroy; 2235 $self->destroy;
1713} 2236}
1714 2237
1715my $nuke_counter = "aaaa"; 2238my $nuke_counter = "aaaa";
1716 2239
1717sub nuke { 2240sub nuke {
1718 my ($self) = @_; 2241 my ($self) = @_;
1719 2242
2243 {
2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2245
1720 delete $cf::MAP{$self->path}; 2246 delete $cf::MAP{$self->path};
1721 2247
1722 $self->unlink_save; 2248 $self->unlink_save;
1723 2249
1724 bless $self, "cf::map"; 2250 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2251 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2252 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2253 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2254 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2255
1730 $cf::MAP{$self->path} = $self; 2256 $cf::MAP{$self->path} = $self;
2257 }
1731 2258
1732 $self->reset; # polite request, might not happen 2259 $self->reset; # polite request, might not happen
2260}
2261
2262=item $maps = cf::map::tmp_maps
2263
2264Returns an arrayref with all map paths of currently instantiated and saved
2265maps. May block.
2266
2267=cut
2268
2269sub tmp_maps() {
2270 [
2271 map {
2272 utf8::decode $_;
2273 /\.map$/
2274 ? normalise $_
2275 : ()
2276 } @{ aio_readdir $TMPDIR or [] }
2277 ]
2278}
2279
2280=item $maps = cf::map::random_maps
2281
2282Returns an arrayref with all map paths of currently instantiated and saved
2283random maps. May block.
2284
2285=cut
2286
2287sub random_maps() {
2288 [
2289 map {
2290 utf8::decode $_;
2291 /\.map$/
2292 ? normalise "?random/$_"
2293 : ()
2294 } @{ aio_readdir $RANDOMDIR or [] }
2295 ]
1733} 2296}
1734 2297
1735=item cf::map::unique_maps 2298=item cf::map::unique_maps
1736 2299
1737Returns an arrayref of paths of all shared maps that have 2300Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2301instantiated unique items. May block.
1739 2302
1740=cut 2303=cut
1741 2304
1742sub unique_maps() { 2305sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2306 [
1744 or return; 2307 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2308 utf8::decode $_;
1750 next if /\.pst$/; 2309 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2310 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2311 ? ()
1753 push @paths, cf::map::normalise $_; 2312 : normalise $_
2313 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2314 ]
1755
1756 \@paths
1757} 2315}
1758
1759package cf;
1760 2316
1761=back 2317=back
1762 2318
1763=head3 cf::object 2319=head3 cf::object
1764 2320
… …
1768 2324
1769=over 4 2325=over 4
1770 2326
1771=item $ob->inv_recursive 2327=item $ob->inv_recursive
1772 2328
1773Returns the inventory of the object _and_ their inventories, recursively. 2329Returns the inventory of the object I<and> their inventories, recursively,
2330but I<not> the object itself.
1774 2331
1775=cut 2332=cut
1776 2333
1777sub inv_recursive_; 2334sub inv_recursive_;
1778sub inv_recursive_ { 2335sub inv_recursive_ {
… …
1781 2338
1782sub inv_recursive { 2339sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2340 inv_recursive_ inv $_[0]
1784} 2341}
1785 2342
2343=item $ref = $ob->ref
2344
2345Creates and returns a persistent reference to an object that can be stored as a string.
2346
2347=item $ob = cf::object::deref ($refstring)
2348
2349returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2350even if the object actually exists. May block.
2351
2352=cut
2353
2354sub deref {
2355 my ($ref) = @_;
2356
2357 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2358 my ($uuid, $name) = ($1, $2);
2359 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2360 or return;
2361 $pl->ob->uuid eq $uuid
2362 or return;
2363
2364 $pl->ob
2365 } else {
2366 warn "$ref: cannot resolve object reference\n";
2367 undef
2368 }
2369}
2370
1786package cf; 2371package cf;
1787 2372
1788=back 2373=back
1789 2374
1790=head3 cf::object::player 2375=head3 cf::object::player
… …
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2381Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2382can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2383dialogue with the given NPC character.
1799 2384
1800=cut 2385=cut
2386
2387our $SAY_CHANNEL = {
2388 id => "say",
2389 title => "Map",
2390 reply => "say ",
2391 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2392};
2393
2394our $CHAT_CHANNEL = {
2395 id => "chat",
2396 title => "Chat",
2397 reply => "chat ",
2398 tooltip => "Player chat and shouts, global to the server.",
2399};
1801 2400
1802# rough implementation of a future "reply" method that works 2401# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2402# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2403#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2404sub cf::object::player::reply($$$;$) {
… …
1807 2406
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2408
1810 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1812 } else { 2412 } else {
2413 my $pl = $self->contr;
2414
2415 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2416 my $dialog = $pl->{npc_dialog};
2417 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418
2419 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2421 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422 }
1815 } 2423 }
2424}
2425
2426=item $object->send_msg ($channel, $msg, $color, [extra...])
2427
2428=cut
2429
2430sub cf::object::send_msg {
2431 my $pl = shift->contr
2432 or return;
2433 $pl->send_msg (@_);
1816} 2434}
1817 2435
1818=item $player_object->may ("access") 2436=item $player_object->may ("access")
1819 2437
1820Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
… …
1833 2451
1834=item $player_object->enter_link 2452=item $player_object->enter_link
1835 2453
1836Freezes the player and moves him/her to a special map (C<{link}>). 2454Freezes the player and moves him/her to a special map (C<{link}>).
1837 2455
1838The player should be reasonably safe there for short amounts of time. You 2456The player should be reasonably safe there for short amounts of time (e.g.
1839I<MUST> call C<leave_link> as soon as possible, though. 2457for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2458though, as the palyer cannot control the character while it is on the link
2459map.
1840 2460
1841Will never block. 2461Will never block.
1842 2462
1843=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
1844 2464
… …
1867 $self->deactivate_recursive; 2487 $self->deactivate_recursive;
1868 2488
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2489 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2490
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2491 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2492 if $self->map && $self->map->{path} ne "{link}";
1873 2493
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2494 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1875} 2495}
1876 2496
1877sub cf::object::player::leave_link { 2497sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2498 my ($self, $map, $x, $y) = @_;
2499
2500 return unless $self->contr->active;
1879 2501
1880 my $link_pos = delete $self->{_link_pos}; 2502 my $link_pos = delete $self->{_link_pos};
1881 2503
1882 unless ($map) { 2504 unless ($map) {
1883 # restore original map position 2505 # restore original map position
… …
1897 # use -1 or undef as default coordinates, not 0, 0 2519 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2520 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2521 if $x <=0 && $y <= 0;
1900 2522
1901 $map->load; 2523 $map->load;
1902 $map->load_diag; 2524 $map->load_neighbours;
1903 2525
1904 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1905 $self->activate_recursive; 2528 $self->activate_recursive;
1906 2529
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
1909} 2532}
1910 2533
1911cf::player->attach ( 2534=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912 on_logout => sub {
1913 my ($pl) = @_;
1914 2535
1915 # abort map switching before logout 2536Moves the player to the given map-path and coordinates by first freezing
1916 if ($pl->ob->{_link_pos}) { 2537her, loading and preparing them map, calling the provided $check callback
1917 cf::sync_job { 2538that has to return the map if sucecssful, and then unfreezes the player on
1918 $pl->ob->leave_link 2539the new (success) or old (failed) map position. In either case, $done will
1919 }; 2540be called at the end of this process.
1920 }
1921 },
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2541
1925 # try to abort aborted map switching on player login :) 2542Note that $check will be called with a potentially non-loaded map, so if
1926 # should happen only on crashes 2543it needs a loaded map it has to call C<< ->load >>.
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942 2544
1943=item $player_object->goto ($path, $x, $y)
1944
1945=cut 2545=cut
2546
2547our $GOTOGEN;
1946 2548
1947sub cf::object::player::goto { 2549sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2550 my ($self, $path, $x, $y, $check, $done) = @_;
2551
2552 # do generation counting so two concurrent goto's will be executed in-order
2553 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2554
1950 $self->enter_link; 2555 $self->enter_link;
1951 2556
1952 (async { 2557 (async {
2558 $Coro::current->{desc} = "player::goto $path $x $y";
2559
2560 # *tag paths override both path and x|y
2561 if ($path =~ /^\*(.*)$/) {
2562 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2563 my $ob = $obs[rand @obs];
2564
2565 # see if we actually can go there
2566 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2567 $ob = $obs[rand @obs];
2568 } else {
2569 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2570 }
2571 # else put us there anyways for now #d#
2572
2573 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2574 } else {
2575 ($path, $x, $y) = (undef, undef, undef);
2576 }
2577 }
2578
1953 my $map = eval { 2579 my $map = eval {
1954 my $map = cf::map::find $path; 2580 my $map = defined $path ? cf::map::find $path : undef;
2581
2582 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2583 $map = $map->customise_for ($self);
2584 $map = $check->($map) if $check && $map;
2585 } else {
2586 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2587 }
2588
1956 $map 2589 $map
2590 };
2591
2592 if ($@) {
2593 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2594 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2595 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2596
2597 if ($gen == $self->{_goto_generation}) {
2598 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2599 $self->leave_link ($map, $x, $y);
2600 }
2601
2602 $done->() if $done;
1961 })->prio (1); 2603 })->prio (1);
1962} 2604}
1963 2605
1964=item $player_object->enter_exit ($exit_object) 2606=item $player_object->enter_exit ($exit_object)
1965 2607
… …
1985} 2627}
1986 2628
1987sub prepare_random_map { 2629sub prepare_random_map {
1988 my ($exit) = @_; 2630 my ($exit) = @_;
1989 2631
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2632 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2633 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2634 # that depends on the exit object
1995 2635
1996 my $rmp = parse_random_map_params $exit->msg; 2636 my $rmp = parse_random_map_params $exit->msg;
… …
1998 if ($exit->map) { 2638 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2639 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2640 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2641 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
2643
2644 $exit->map->touch;
2003 } 2645 }
2004 2646
2005 $rmp->{random_seed} ||= $exit->random_seed; 2647 $rmp->{random_seed} ||= $exit->random_seed;
2006 2648
2007 my $data = cf::to_json $rmp; 2649 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2650 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2651 my $meta = "$RANDOMDIR/$md5.meta";
2010 2652
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2653 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2654 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2655 undef $fh;
2014 aio_rename "$meta~", $meta; 2656 aio_rename "$meta~", $meta;
2015 2657
2658 my $slaying = "?random/$md5";
2659
2660 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2661 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2662 $exit->msg (undef);
2663 }
2018 } 2664 }
2019} 2665}
2020 2666
2021sub cf::object::player::enter_exit { 2667sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2668 my ($self, $exit) = @_;
2023 2669
2024 return unless $self->type == cf::PLAYER; 2670 return unless $self->type == cf::PLAYER;
2025 2671
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2672 $self->enter_link;
2038 2673
2039 (async { 2674 (async {
2040 $self->deactivate_recursive; # just to be sure 2675 $Coro::current->{desc} = "enter_exit";
2676
2041 unless (eval { 2677 unless (eval {
2678 $self->deactivate_recursive; # just to be sure
2679
2680 # random map handling
2681 {
2682 my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
2684 prepare_random_map $exit
2685 if $exit->slaying eq "/!";
2686 }
2687
2688 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2689 my $x = $exit->stats->hp;
2690 my $y = $exit->stats->sp;
2691
2042 $self->goto ($slaying, $hp, $sp); 2692 $self->goto ($map, $x, $y);
2043 2693
2694 # if exit is damned, update players death & WoR home-position
2695 $self->contr->savebed ($map, $x, $y)
2696 if $exit->flag (cf::FLAG_DAMNED);
2697
2044 1; 2698 1
2045 }) { 2699 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
2047 . "I'll try to bring you back to the map you were before. " 2701 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
2050 2704
2051 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
… …
2070 2724
2071 utf8::encode $text; 2725 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2726 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2727}
2074 2728
2729=item $client->send_msg ($channel, $msg, $color, [extra...])
2730
2731Send a drawinfo or msg packet to the client, formatting the msg for the
2732client if neccessary. C<$type> should be a string identifying the type of
2733the message, with C<log> being the default. If C<$color> is negative, suppress
2734the message unless the client supports the msg packet.
2735
2736=cut
2737
2738# non-persistent channels (usually the info channel)
2739our %CHANNEL = (
2740 "c/identify" => {
2741 id => "infobox",
2742 title => "Identify",
2743 reply => undef,
2744 tooltip => "Items recently identified",
2745 },
2746 "c/examine" => {
2747 id => "infobox",
2748 title => "Examine",
2749 reply => undef,
2750 tooltip => "Signs and other items you examined",
2751 },
2752 "c/book" => {
2753 id => "infobox",
2754 title => "Book",
2755 reply => undef,
2756 tooltip => "The contents of a note or book",
2757 },
2758 "c/lookat" => {
2759 id => "infobox",
2760 title => "Look",
2761 reply => undef,
2762 tooltip => "What you saw there",
2763 },
2764 "c/who" => {
2765 id => "infobox",
2766 title => "Players",
2767 reply => undef,
2768 tooltip => "Shows players who are currently online",
2769 },
2770 "c/body" => {
2771 id => "infobox",
2772 title => "Body Parts",
2773 reply => undef,
2774 tooltip => "Shows which body parts you posess and are available",
2775 },
2776 "c/uptime" => {
2777 id => "infobox",
2778 title => "Uptime",
2779 reply => undef,
2780 tooltip => "How long the server has been running since last restart",
2781 },
2782 "c/mapinfo" => {
2783 id => "infobox",
2784 title => "Map Info",
2785 reply => undef,
2786 tooltip => "Information related to the maps",
2787 },
2788 "c/party" => {
2789 id => "party",
2790 title => "Party",
2791 reply => "gsay ",
2792 tooltip => "Messages and chat related to your party",
2793 },
2794);
2795
2796sub cf::client::send_msg {
2797 my ($self, $channel, $msg, $color, @extra) = @_;
2798
2799 $msg = $self->pl->expand_cfpod ($msg)
2800 unless $color & cf::NDI_VERBATIM;
2801
2802 $color &= cf::NDI_CLIENT_MASK; # just in case...
2803
2804 # check predefined channels, for the benefit of C
2805 if ($CHANNEL{$channel}) {
2806 $channel = $CHANNEL{$channel};
2807
2808 $self->ext_msg (channel_info => $channel)
2809 if $self->can_msg;
2810
2811 $channel = $channel->{id};
2812
2813 } elsif (ref $channel) {
2814 # send meta info to client, if not yet sent
2815 unless (exists $self->{channel}{$channel->{id}}) {
2816 $self->{channel}{$channel->{id}} = $channel;
2817 $self->ext_msg (channel_info => $channel)
2818 if $self->can_msg;
2819 }
2820
2821 $channel = $channel->{id};
2822 }
2823
2824 return unless @extra || length $msg;
2825
2826 if ($self->can_msg) {
2827 # default colour, mask it out
2828 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2829 if $color & cf::NDI_DEF;
2830
2831 my $pkt = "msg "
2832 . $self->{json_coder}->encode (
2833 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2834 );
2835
2836 # try lzf for large packets
2837 $pkt = "lzf " . Compress::LZF::compress $pkt
2838 if 1024 <= length $pkt and $self->{can_lzf};
2839
2840 # split very large packets
2841 if (8192 < length $pkt and $self->{can_lzf}) {
2842 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2843 $pkt = "frag";
2844 }
2845
2846 $self->send_packet ($pkt);
2847 } else {
2848 if ($color >= 0) {
2849 # replace some tags by gcfclient-compatible ones
2850 for ($msg) {
2851 1 while
2852 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2853 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2854 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2855 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2856 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2857 }
2858
2859 $color &= cf::NDI_COLOR_MASK;
2860
2861 utf8::encode $msg;
2862
2863 if (0 && $msg =~ /\[/) {
2864 # COMMAND/INFO
2865 $self->send_packet ("drawextinfo $color 10 8 $msg")
2866 } else {
2867 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2868 $self->send_packet ("drawinfo $color $msg")
2869 }
2870 }
2871 }
2872}
2873
2075=item $client->ext_event ($type, %msg) 2874=item $client->ext_msg ($type, @msg)
2076 2875
2077Sends an exti event to the client. 2876Sends an ext event to the client.
2078 2877
2079=cut 2878=cut
2080 2879
2081sub cf::client::ext_event($$%) { 2880sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 2881 my ($self, $type, @msg) = @_;
2083 2882
2883 if ($self->extcmd == 2) {
2884 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2885 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 2886 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 2887 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2888 }
2889}
2890
2891=item $client->ext_reply ($msgid, @msg)
2892
2893Sends an ext reply to the client.
2894
2895=cut
2896
2897sub cf::client::ext_reply($$@) {
2898 my ($self, $id, @msg) = @_;
2899
2900 if ($self->extcmd == 2) {
2901 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2902 } elsif ($self->extcmd == 1) {
2903 #TODO: version 1, remove
2904 unshift @msg, msgtype => "reply", msgid => $id;
2905 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2906 }
2086} 2907}
2087 2908
2088=item $success = $client->query ($flags, "text", \&cb) 2909=item $success = $client->query ($flags, "text", \&cb)
2089 2910
2090Queues a query to the client, calling the given callback with 2911Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2912the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2913C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 2914
2094Queries can fail, so check the return code. Or don't, as queries will become 2915Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 2916become reliable at some point in the future.
2096 2917
2097=cut 2918=cut
2098 2919
2099sub cf::client::query { 2920sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 2921 my ($self, $flags, $text, $cb) = @_;
… …
2108 utf8::encode $text; 2929 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2930 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 2931
2111 $self->send_packet ($self->{query_queue}[0][0]) 2932 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 2933 if @{ $self->{query_queue} } == 1;
2934
2935 1
2113} 2936}
2114 2937
2115cf::client->attach ( 2938cf::client->attach (
2939 on_connect => sub {
2940 my ($ns) = @_;
2941
2942 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2943 },
2116 on_reply => sub { 2944 on_reply => sub {
2117 my ($ns, $msg) = @_; 2945 my ($ns, $msg) = @_;
2118 2946
2119 # this weird shuffling is so that direct followup queries 2947 # this weird shuffling is so that direct followup queries
2120 # get handled first 2948 # get handled first
… …
2132 } else { 2960 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2961 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 2962 }
2135 } 2963 }
2136 }, 2964 },
2965 on_exticmd => sub {
2966 my ($ns, $buf) = @_;
2967
2968 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2969
2970 if (ref $msg) {
2971 my ($type, $reply, @payload) =
2972 "ARRAY" eq ref $msg
2973 ? @$msg
2974 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2975
2976 my @reply;
2977
2978 if (my $cb = $EXTICMD{$type}) {
2979 @reply = $cb->($ns, @payload);
2980 }
2981
2982 $ns->ext_reply ($reply, @reply)
2983 if $reply;
2984
2985 } else {
2986 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2987 }
2988
2989 cf::override;
2990 },
2137); 2991);
2138 2992
2139=item $client->async (\&cb) 2993=item $client->async (\&cb)
2140 2994
2141Create a new coroutine, running the specified callback. The coroutine will 2995Create a new coroutine, running the specified callback. The coroutine will
… …
2182our $safe = new Safe "safe"; 3036our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3037our $safe_hole = new Safe::Hole;
2184 3038
2185$SIG{FPE} = 'IGNORE'; 3039$SIG{FPE} = 'IGNORE';
2186 3040
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3041$safe->permit_only (Opcode::opset qw(
3042 :base_core :base_mem :base_orig :base_math
3043 grepstart grepwhile mapstart mapwhile
3044 sort time
3045));
2188 3046
2189# here we export the classes and methods available to script code 3047# here we export the classes and methods available to script code
2190 3048
2191=pod 3049=pod
2192 3050
2193The following functions and methods are available within a safe environment: 3051The following functions and methods are available within a safe environment:
2194 3052
2195 cf::object contr pay_amount pay_player map 3053 cf::object
3054 contr pay_amount pay_player map x y force_find force_add destroy
3055 insert remove name archname title slaying race decrease split
3056
2196 cf::object::player player 3057 cf::object::player
2197 cf::player peaceful 3058 player
2198 cf::map trigger 3059
3060 cf::player
3061 peaceful
3062
3063 cf::map
3064 trigger
2199 3065
2200=cut 3066=cut
2201 3067
2202for ( 3068for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3069 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3070 insert remove inv nrof name archname title slaying race
3071 decrease split destroy change_exp)],
2204 ["cf::object::player" => qw(player)], 3072 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3073 ["cf::player" => qw(peaceful)],
2206 ["cf::map" => qw(trigger)], 3074 ["cf::map" => qw(trigger)],
2207) { 3075) {
2208 no strict 'refs'; 3076 no strict 'refs';
… …
2279=back 3147=back
2280 3148
2281=cut 3149=cut
2282 3150
2283############################################################################# 3151#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455
2456#############################################################################
2457# the server's init and main functions 3152# the server's init and main functions
2458 3153
2459sub load_facedata($) { 3154sub load_facedata($) {
2460 my ($path) = @_; 3155 my ($path) = @_;
3156
3157 # HACK to clear player env face cache, we need some signal framework
3158 # for this (global event?)
3159 %ext::player_env::MUSIC_FACE_CACHE = ();
3160
3161 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461 3162
2462 warn "loading facedata from $path\n"; 3163 warn "loading facedata from $path\n";
2463 3164
2464 my $facedata; 3165 my $facedata;
2465 0 < aio_load $path, $facedata 3166 0 < aio_load $path, $facedata
… …
2468 $facedata = Coro::Storable::thaw $facedata; 3169 $facedata = Coro::Storable::thaw $facedata;
2469 3170
2470 $facedata->{version} == 2 3171 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3172 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3173
3174 # patch in the exptable
3175 $facedata->{resource}{"res/exp_table"} = {
3176 type => FT_RSRC,
3177 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3178 };
3179 cf::cede_to_tick;
3180
2473 { 3181 {
2474 my $faces = $facedata->{faceinfo}; 3182 my $faces = $facedata->{faceinfo};
2475 3183
2476 while (my ($face, $info) = each %$faces) { 3184 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3185 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3186
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3187 cf::face::set_visibility $idx, $info->{visibility};
3188 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3189 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3190 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481 Coro::cede; 3191
3192 cf::cede_to_tick;
2482 } 3193 }
2483 3194
2484 while (my ($face, $info) = each %$faces) { 3195 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3196 next unless $info->{smooth};
3197
2486 my $idx = cf::face::find $face 3198 my $idx = cf::face::find $face
2487 or next; 3199 or next;
3200
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3201 if (my $smooth = cf::face::find $info->{smooth}) {
3202 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3203 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3204 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3205 warn "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3206 }
2493 Coro::cede; 3207
3208 cf::cede_to_tick;
2494 } 3209 }
2495 } 3210 }
2496 3211
2497 { 3212 {
2498 my $anims = $facedata->{animinfo}; 3213 my $anims = $facedata->{animinfo};
2499 3214
2500 while (my ($anim, $info) = each %$anims) { 3215 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3216 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3217 cf::cede_to_tick;
2503 } 3218 }
2504 3219
2505 cf::anim::invalidate_all; # d'oh 3220 cf::anim::invalidate_all; # d'oh
2506 } 3221 }
2507 3222
3223 {
3224 # TODO: for gcfclient pleasure, we should give resources
3225 # that gcfclient doesn't grok a >10000 face index.
3226 my $res = $facedata->{resource};
3227
3228 while (my ($name, $info) = each %$res) {
3229 if (defined $info->{type}) {
3230 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3231 my $data;
3232
3233 if ($info->{type} & 1) {
3234 # prepend meta info
3235
3236 my $meta = $enc->encode ({
3237 name => $name,
3238 %{ $info->{meta} || {} },
3239 });
3240
3241 $data = pack "(w/a*)*", $meta, $info->{data};
3242 } else {
3243 $data = $info->{data};
3244 }
3245
3246 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3247 cf::face::set_type $idx, $info->{type};
3248 } else {
3249 $RESOURCE{$name} = $info;
3250 }
3251
3252 cf::cede_to_tick;
3253 }
3254 }
3255
3256 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3257
2508 1 3258 1
2509} 3259}
2510 3260
3261cf::global->attach (on_resource_update => sub {
3262 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3263 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3264
3265 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3266 my $sound = $soundconf->{compat}[$_]
3267 or next;
3268
3269 my $face = cf::face::find "sound/$sound->[1]";
3270 cf::sound::set $sound->[0] => $face;
3271 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3272 }
3273
3274 while (my ($k, $v) = each %{$soundconf->{event}}) {
3275 my $face = cf::face::find "sound/$v";
3276 cf::sound::set $k => $face;
3277 }
3278 }
3279});
3280
3281register_exticmd fx_want => sub {
3282 my ($ns, $want) = @_;
3283
3284 while (my ($k, $v) = each %$want) {
3285 $ns->fx_want ($k, $v);
3286 }
3287};
3288
3289sub load_resource_file($) {
3290 my $guard = lock_acquire "load_resource_file";
3291
3292 my $status = load_resource_file_ $_[0];
3293 get_slot 0.1, 100;
3294 cf::arch::commit_load;
3295
3296 $status
3297}
3298
2511sub reload_regions { 3299sub reload_regions {
3300 # HACK to clear player env face cache, we need some signal framework
3301 # for this (global event?)
3302 %ext::player_env::MUSIC_FACE_CACHE = ();
3303
2512 load_resource_file "$MAPDIR/regions" 3304 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3305 or die "unable to load regions file\n";
3306
3307 for (cf::region::list) {
3308 $_->{match} = qr/$_->{match}/
3309 if exists $_->{match};
3310 }
2514} 3311}
2515 3312
2516sub reload_facedata { 3313sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3314 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3315 or die "unable to load facedata\n";
… …
2529} 3326}
2530 3327
2531sub reload_resources { 3328sub reload_resources {
2532 warn "reloading resource files...\n"; 3329 warn "reloading resource files...\n";
2533 3330
2534 reload_regions;
2535 reload_facedata; 3331 reload_facedata;
2536 reload_archetypes; 3332 reload_archetypes;
3333 reload_regions;
2537 reload_treasures; 3334 reload_treasures;
2538 3335
2539 warn "finished reloading resource files\n"; 3336 warn "finished reloading resource files\n";
2540} 3337}
2541 3338
2542sub init { 3339sub init {
3340 my $guard = freeze_mainloop;
3341
3342 evthread_start IO::AIO::poll_fileno;
3343
2543 reload_resources; 3344 reload_resources;
2544} 3345}
2545 3346
2546sub cfg_load { 3347sub reload_config {
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3348 open my $fh, "<:utf8", "$CONFDIR/config"
2548 or return; 3349 or return;
2549 3350
2550 local $/; 3351 local $/;
2551 *CFG = YAML::Syck::Load <$fh>; 3352 *CFG = YAML::Load <$fh>;
2552 3353
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3354 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554 3355
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3356 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3357 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2562 }; 3363 };
2563 warn $@ if $@; 3364 warn $@ if $@;
2564 } 3365 }
2565} 3366}
2566 3367
3368sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!";
3371 flock $fh, &Fcntl::LOCK_EX
3372 or die "$PIDFILE: flock: $!";
3373 $fh
3374}
3375
3376# make sure only one server instance is running at any one time
3377sub atomic {
3378 my $fh = pidfile;
3379
3380 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0;
3382
3383 seek $fh, 0, 0;
3384 print $fh $$;
3385}
3386
2567sub main { 3387sub main {
3388 atomic;
3389
2568 # we must not ever block the main coroutine 3390 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3391 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3392 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3393 (async {
2572 Event::one_event; 3394 $Coro::current->{desc} = "IDLE BUG HANDLER";
3395 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3396 })->prio (Coro::PRIO_MAX);
2574 }; 3397 };
2575 3398
2576 cfg_load; 3399 {
3400 my $guard = freeze_mainloop;
3401 reload_config;
2577 db_init; 3402 db_init;
2578 load_extensions; 3403 load_extensions;
2579 3404
2580 $TICK_WATCHER->start; 3405 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3406 }
3407
3408 utime time, time, $RUNTIMEFILE;
3409
3410 # no (long-running) fork's whatsoever before this point(!)
3411 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3412
2581 Event::loop; 3413 EV::loop;
2582} 3414}
2583 3415
2584############################################################################# 3416#############################################################################
2585# initialisation and cleanup 3417# initialisation and cleanup
2586 3418
2587# install some emergency cleanup handlers 3419# install some emergency cleanup handlers
2588BEGIN { 3420BEGIN {
3421 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3422 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3423 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3424 cf::cleanup "SIG$signal";
2597 },
2598 ); 3425 };
3426 }
3427}
3428
3429sub write_runtime_sync {
3430 # first touch the runtime file to show we are still running:
3431 # the fsync below can take a very very long time.
3432
3433 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434
3435 my $guard = cf::lock_acquire "write_runtime";
3436
3437 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3438 or return;
3439
3440 my $value = $cf::RUNTIME + 90 + 10;
3441 # 10 is the runtime save interval, for a monotonic clock
3442 # 60 allows for the watchdog to kill the server.
3443
3444 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3445 and return;
3446
3447 # always fsync - this file is important
3448 aio_fsync $fh
3449 and return;
3450
3451 # touch it again to show we are up-to-date
3452 aio_utime $fh, undef, undef;
3453
3454 close $fh
3455 or return;
3456
3457 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458 and return;
3459
3460 warn "runtime file written.\n";
3461
2599 } 3462 1
3463}
3464
3465our $uuid_lock;
3466our $uuid_skip;
3467
3468sub write_uuid_sync($) {
3469 $uuid_skip ||= $_[0];
3470
3471 return if $uuid_lock;
3472 local $uuid_lock = 1;
3473
3474 my $uuid = "$LOCALDIR/uuid";
3475
3476 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477 or return;
3478
3479 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3480 $uuid_skip = 0;
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$uuid~", $uuid
3493 and return;
3494
3495 warn "uuid file written ($value).\n";
3496
3497 1
3498
3499}
3500
3501sub write_uuid($$) {
3502 my ($skip, $sync) = @_;
3503
3504 $sync ? write_uuid_sync $skip
3505 : async { write_uuid_sync $skip };
2600} 3506}
2601 3507
2602sub emergency_save() { 3508sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3509 my $freeze_guard = cf::freeze_mainloop;
2604 3510
… …
2610 # and maps saved/destroyed asynchronously. 3516 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3517 warn "begin emergency player save\n";
2612 for my $login (keys %cf::PLAYER) { 3518 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3519 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3520 $pl->valid or next;
3521 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3522 $pl->save;
2616 } 3523 }
2617 warn "end emergency player save\n"; 3524 warn "end emergency player save\n";
2618 3525
2619 warn "begin emergency map save\n"; 3526 warn "begin emergency map save\n";
… …
2625 warn "end emergency map save\n"; 3532 warn "end emergency map save\n";
2626 3533
2627 warn "begin emergency database checkpoint\n"; 3534 warn "begin emergency database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3535 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3536 warn "end emergency database checkpoint\n";
3537
3538 warn "begin write uuid\n";
3539 write_uuid_sync 1;
3540 warn "end write uuid\n";
2630 }; 3541 };
2631 3542
2632 warn "leave emergency perl save\n"; 3543 warn "leave emergency perl save\n";
2633} 3544}
2634 3545
2635sub post_cleanup { 3546sub post_cleanup {
2636 my ($make_core) = @_; 3547 my ($make_core) = @_;
2637 3548
2638 warn Carp::longmess "post_cleanup backtrace" 3549 warn Carp::longmess "post_cleanup backtrace"
2639 if $make_core; 3550 if $make_core;
3551
3552 my $fh = pidfile;
3553 unlink $PIDFILE if <$fh> == $$;
2640} 3554}
3555
3556# a safer delete_package, copied from Symbol
3557sub clear_package($) {
3558 my $pkg = shift;
3559
3560 # expand to full symbol table name if needed
3561 unless ($pkg =~ /^main::.*::$/) {
3562 $pkg = "main$pkg" if $pkg =~ /^::/;
3563 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3564 $pkg .= '::' unless $pkg =~ /::$/;
3565 }
3566
3567 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3568 my $stem_symtab = *{$stem}{HASH};
3569
3570 defined $stem_symtab and exists $stem_symtab->{$leaf}
3571 or return;
3572
3573 # clear all symbols
3574 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3575 for my $name (keys %$leaf_symtab) {
3576 _gv_clear *{"$pkg$name"};
3577# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3578 }
3579 warn "cleared package #$pkg\n";#d#
3580}
3581
3582our $RELOAD; # how many times to reload
2641 3583
2642sub do_reload_perl() { 3584sub do_reload_perl() {
2643 # can/must only be called in main 3585 # can/must only be called in main
2644 if ($Coro::current != $Coro::main) { 3586 if ($Coro::current != $Coro::main) {
2645 warn "can only reload from main coroutine"; 3587 warn "can only reload from main coroutine";
2646 return; 3588 return;
2647 } 3589 }
2648 3590
3591 return if $RELOAD++;
3592
3593 while ($RELOAD) {
2649 warn "reloading..."; 3594 warn "reloading...";
2650 3595
2651 warn "entering sync_job"; 3596 warn "entering sync_job";
2652 3597
2653 cf::sync_job { 3598 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark 3599 cf::write_runtime_sync; # external watchdog should not bark
2655 cf::emergency_save; 3600 cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark 3601 cf::write_runtime_sync; # external watchdog should not bark
2657 3602
2658 warn "syncing database to disk"; 3603 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2660 3605
2661 # if anything goes wrong in here, we should simply crash as we already saved 3606 # if anything goes wrong in here, we should simply crash as we already saved
2662 3607
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667
2668 warn "flushing outstanding aio requests"; 3608 warn "flushing outstanding aio requests";
2669 for (;;) {
2670 BDB::flush;
2671 IO::AIO::flush;
2672 Coro::cede;
2673 last unless IO::AIO::nreqs || BDB::nreqs; 3609 while (IO::AIO::nreqs || BDB::nreqs) {
2674 warn "iterate..."; 3610 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675 }
2676
2677 ++$RELOAD;
2678
2679 warn "cancelling all extension coros";
2680 $_->cancel for values %EXT_CORO;
2681 %EXT_CORO = ();
2682
2683 warn "removing commands";
2684 %COMMAND = ();
2685
2686 warn "removing ext commands";
2687 %EXTCMD = ();
2688
2689 warn "unloading/nuking all extensions";
2690 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg";
2692
2693 if (my $cb = $pkg->can ("unload")) {
2694 eval {
2695 $cb->($pkg);
2696 1
2697 } or warn "$pkg unloaded, but with errors: $@";
2698 } 3611 }
2699 3612
2700 warn "... nuking $pkg"; 3613 warn "cancelling all extension coros";
2701 Symbol::delete_package $pkg; 3614 $_->cancel for values %EXT_CORO;
2702 } 3615 %EXT_CORO = ();
2703 3616
2704 warn "unloading all perl modules loaded from $LIBDIR"; 3617 warn "removing commands";
2705 while (my ($k, $v) = each %INC) { 3618 %COMMAND = ();
2706 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707 3619
3620 warn "removing ext/exti commands";
3621 %EXTCMD = ();
3622 %EXTICMD = ();
3623
3624 warn "unloading/nuking all extensions";
3625 for my $pkg (@EXTS) {
2708 warn "... unloading $k"; 3626 warn "... unloading $pkg";
2709 delete $INC{$k};
2710 3627
2711 $k =~ s/\.pm$//;
2712 $k =~ s/\//::/g;
2713
2714 if (my $cb = $k->can ("unload_module")) { 3628 if (my $cb = $pkg->can ("unload")) {
3629 eval {
2715 $cb->(); 3630 $cb->($pkg);
3631 1
3632 } or warn "$pkg unloaded, but with errors: $@";
3633 }
3634
3635 warn "... clearing $pkg";
3636 clear_package $pkg;
2716 } 3637 }
2717 3638
2718 Symbol::delete_package $k; 3639 warn "unloading all perl modules loaded from $LIBDIR";
3640 while (my ($k, $v) = each %INC) {
3641 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3642
3643 warn "... unloading $k";
3644 delete $INC{$k};
3645
3646 $k =~ s/\.pm$//;
3647 $k =~ s/\//::/g;
3648
3649 if (my $cb = $k->can ("unload_module")) {
3650 $cb->();
3651 }
3652
3653 clear_package $k;
2719 } 3654 }
2720 3655
2721 warn "getting rid of safe::, as good as possible"; 3656 warn "getting rid of safe::, as good as possible";
2722 Symbol::delete_package "safe::$_" 3657 clear_package "safe::$_"
2723 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3658 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724 3659
2725 warn "unloading cf.pm \"a bit\""; 3660 warn "unloading cf.pm \"a bit\"";
2726 delete $INC{"cf.pm"}; 3661 delete $INC{"cf.pm"};
2727 delete $INC{"cf/pod.pm"}; 3662 delete $INC{"cf/pod.pm"};
2728 3663
2729 # don't, removes xs symbols, too, 3664 # don't, removes xs symbols, too,
2730 # and global variables created in xs 3665 # and global variables created in xs
2731 #Symbol::delete_package __PACKAGE__; 3666 #clear_package __PACKAGE__;
2732 3667
2733 warn "unload completed, starting to reload now"; 3668 warn "unload completed, starting to reload now";
2734 3669
2735 warn "reloading cf.pm"; 3670 warn "reloading cf.pm";
2736 require cf; 3671 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3672 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738 3673
2739 warn "loading config and database again"; 3674 warn "loading config and database again";
2740 cf::cfg_load; 3675 cf::reload_config;
2741 3676
2742 warn "loading extensions"; 3677 warn "loading extensions";
2743 cf::load_extensions; 3678 cf::load_extensions;
2744 3679
2745 warn "reattaching attachments to objects/players"; 3680 warn "reattaching attachments to objects/players";
2746 _global_reattach; # objects, sockets 3681 _global_reattach; # objects, sockets
2747 warn "reattaching attachments to maps"; 3682 warn "reattaching attachments to maps";
2748 reattach $_ for values %MAP; 3683 reattach $_ for values %MAP;
2749 warn "reattaching attachments to players"; 3684 warn "reattaching attachments to players";
2750 reattach $_ for values %PLAYER; 3685 reattach $_ for values %PLAYER;
2751 3686
2752 warn "leaving sync_job"; 3687 warn "leaving sync_job";
2753 3688
2754 1 3689 1
2755 } or do { 3690 } or do {
2756 warn $@; 3691 warn $@;
2757 warn "error while reloading, exiting."; 3692 cf::cleanup "error while reloading, exiting.";
2758 exit 1;
2759 }; 3693 };
2760 3694
2761 warn "reloaded"; 3695 warn "reloaded";
3696 --$RELOAD;
3697 }
2762}; 3698};
2763 3699
2764our $RELOAD_WATCHER; # used only during reload 3700our $RELOAD_WATCHER; # used only during reload
2765 3701
2766sub reload_perl() { 3702sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 3703 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 3704 # coro crashes during coro_state_free->destroy here.
2769 3705
2770 $RELOAD_WATCHER ||= Event->timer ( 3706 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2771 reentrant => 0,
2772 after => 0,
2773 data => WF_AUTOCANCEL,
2774 cb => sub {
2775 do_reload_perl; 3707 do_reload_perl;
2776 undef $RELOAD_WATCHER; 3708 undef $RELOAD_WATCHER;
2777 },
2778 ); 3709 };
2779} 3710}
2780 3711
2781register_command "reload" => sub { 3712register_command "reload" => sub {
2782 my ($who, $arg) = @_; 3713 my ($who, $arg) = @_;
2783 3714
2784 if ($who->flag (FLAG_WIZ)) { 3715 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 3716 $who->message ("reloading server.");
3717 async {
3718 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 3719 reload_perl;
3720 };
2787 } 3721 }
2788}; 3722};
2789 3723
2790unshift @INC, $LIBDIR; 3724unshift @INC, $LIBDIR;
2791 3725
… …
2793 3727
2794our @WAIT_FOR_TICK; 3728our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 3729our @WAIT_FOR_TICK_BEGIN;
2796 3730
2797sub wait_for_tick { 3731sub wait_for_tick {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 3732 return if tick_inhibit || $Coro::current == $Coro::main;
2800 3733
2801 my $signal = new Coro::Signal; 3734 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 3735 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 3736 $signal->wait;
2804} 3737}
2805 3738
2806sub wait_for_tick_begin { 3739sub wait_for_tick_begin {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 3740 return if tick_inhibit || $Coro::current == $Coro::main;
2809 3741
2810 my $signal = new Coro::Signal; 3742 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 3743 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 3744 $signal->wait;
2813} 3745}
2814 3746
2815$TICK_WATCHER = Event->timer ( 3747sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 3748 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3749 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 3750 unless ++$bug_warning > 10;
2825 return; 3751 return;
2826 } 3752 }
2827 3753
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 3754 cf::server_tick; # one server iteration
2831 3755
2832 $RUNTIME += $TICK;
2833 $NEXT_TICK += $TICK;
2834
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3756 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 3757 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 3758 Coro::async_pool {
3759 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 3760 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 3761 or warn "ERROR: unable to write runtime file: $!";
2840 };
2841 } 3762 };
3763 }
2842 3764
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3765 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 3766 $sig->send;
2854 } 3767 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 3768 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 3769 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 3770 }
2861); 3771
3772 $LOAD = ($NOW - $TICK_START) / $TICK;
3773 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3774
3775 if (0) {
3776 if ($NEXT_TICK) {
3777 my $jitter = $TICK_START - $NEXT_TICK;
3778 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3779 warn "jitter $JITTER\n";#d#
3780 }
3781 }
3782}
2862 3783
2863{ 3784{
2864 BDB::max_poll_time $TICK * 0.1; 3785 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 3786
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 3787 BDB::min_parallel 8;
2874 3788 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 3789 $AnyEvent::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 3790
2890 unless ($DB_ENV) { 3791 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 3792 $DB_ENV = BDB::db_env_create;
3793 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3794 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3795 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 3798
2893 cf::sync_job { 3799 cf::sync_job {
2894 eval { 3800 eval {
2895 BDB::db_env_open 3801 BDB::db_env_open
2896 $DB_ENV, 3802 $DB_ENV,
… …
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3804 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3805 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 3806 0666;
2901 3807
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3808 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 3809 };
2907 3810
2908 cf::cleanup "db_env_open(db): $@" if $@; 3811 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 3812 };
2910 } 3813 }
3814
3815 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3816 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3817 };
3818 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3819 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820 };
3821 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823 };
2911} 3824}
2912 3825
2913{ 3826{
3827 # configure IO::AIO
3828
2914 IO::AIO::min_parallel 8; 3829 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 3830 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 3831 undef $AnyEvent::AIO::WATCHER;
2919 reentrant => 0, 3832}
2920 data => WF_AUTOCANCEL, 3833
2921 fd => IO::AIO::poll_fileno, 3834my $_log_backtrace;
2922 poll => 'r', 3835
2923 prio => 6, 3836sub _log_backtrace {
2924 cb => \&IO::AIO::poll_cb, 3837 my ($msg, @addr) = @_;
2925 ); 3838
3839 $msg =~ s/\n//;
3840
3841 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace;
3844 my $perl_bt = Carp::longmess $msg;
3845 async {
3846 $Coro::current->{desc} = "abt $msg";
3847
3848 my @bt = fork_call {
3849 @addr = map { sprintf "%x", $_ } @addr;
3850 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3851 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3852 or die "addr2line: $!";
3853
3854 my @funcs;
3855 my @res = <$fh>;
3856 chomp for @res;
3857 while (@res) {
3858 my ($func, $line) = splice @res, 0, 2, ();
3859 push @funcs, "[$func] $line";
3860 }
3861
3862 @funcs
3863 };
3864
3865 LOG llevInfo, "[ABT] $perl_bt\n";
3866 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3868 --$_log_backtrace;
3869 };
3870 } else {
3871 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] [suppressed]\n";
3873 }
2926} 3874}
2927 3875
2928# load additional modules 3876# load additional modules
2929use cf::pod; 3877use cf::pod;
2930 3878

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