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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$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 76
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 78
49our %COMMAND = (); 79our %COMMAND = ();
50our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
51 81
52our @EXTS = (); # list of extension package names 82our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 83our %EXTCMD = ();
84our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
56 87
57our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 89our @EVENT;
59 90
60our $CONFDIR = confdir; 91our $CONFDIR = confdir;
61our $DATADIR = datadir; 92our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
71 106
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $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 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 109our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default on
79 111
112our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 114our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 115our $DB_ENV;
116
117our @EXTRA_MODULES = qw(pod mapscript);
82 118
83our %CFG; 119our %CFG;
84 120
85our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 122our $RUNTIME;
123our $NOW;
87 124
88our %PLAYER; # all users 125our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 126our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 127our $LINK_MAP; # the special {link} map, which is always available
91 128
92# used to convert map paths into valid unix filenames by replacing / by ∕ 129# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 130our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 131
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
134our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98 140
99binmode STDOUT; 141binmode STDOUT;
100binmode STDERR; 142binmode STDERR;
101 143
102# read virtual server time, if available 144# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
107} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
108 152
109mkdir $_ 153mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 155
112our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
… …
155 199
156The raw value load value from the last tick. 200The raw value load value from the last tick.
157 201
158=item %cf::CFG 202=item %cf::CFG
159 203
160Configuration for the server, loaded from C</etc/crossfire/config>, or 204Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 205from wherever your confdir points to.
162 206
163=item cf::wait_for_tick, cf::wait_for_tick_begin 207=item cf::wait_for_tick, cf::wait_for_tick_begin
164 208
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 209These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 210returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 211per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 212
213=item @cf::INVOKE_RESULTS
214
215This array contains the results of the last C<invoke ()> call. When
216C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
217that call.
218
169=back 219=back
170 220
171=cut 221=cut
172 222
173BEGIN { 223BEGIN {
… …
177 $msg .= "\n" 227 $msg .= "\n"
178 unless $msg =~ /\n$/; 228 unless $msg =~ /\n$/;
179 229
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 230 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 231
182 utf8::encode $msg;
183 LOG llevError, $msg; 232 LOG llevError, $msg;
184 }; 233 };
185} 234}
235
236$Coro::State::DIEHOOK = sub {
237 return unless $^S eq 0; # "eq", not "=="
238
239 if ($Coro::current == $Coro::main) {#d#
240 warn "DIEHOOK called in main context, Coro bug?\n";#d#
241 return;#d#
242 }#d#
243
244 # kill coroutine otherwise
245 warn Carp::longmess $_[0];
246 Coro::terminate
247};
248
249$SIG{__DIE__} = sub { }; #d#?
186 250
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 251@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 252@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 253@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 254@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 255@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
256@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 257@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 258
194# we bless all objects into (empty) derived classes to force a method lookup 259# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 260# within the Safe compartment.
196for my $pkg (qw( 261for my $pkg (qw(
197 cf::global cf::attachable 262 cf::global cf::attachable
198 cf::object cf::object::player 263 cf::object cf::object::player
199 cf::client cf::player 264 cf::client cf::player
200 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
201 cf::map cf::party cf::region 267 cf::party cf::region
202)) { 268)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 270}
206 271
207$Event::DIED = sub { 272$EV::DIED = sub {
208 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
209}; 274};
275
276#############################################################################
210 277
211=head2 UTILITY FUNCTIONS 278=head2 UTILITY FUNCTIONS
212 279
213=over 4 280=over 4
214 281
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 300 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 301 $d
235 } || "[unable to dump $_[0]: '$@']"; 302 } || "[unable to dump $_[0]: '$@']";
236} 303}
237 304
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 305=item $ref = cf::decode_json $json
241 306
242Converts a JSON string into the corresponding perl data structure. 307Converts a JSON string into the corresponding perl data structure.
243 308
244=item $json = cf::to_json $ref 309=item $json = cf::encode_json $ref
245 310
246Converts a perl data structure into its JSON representation. 311Converts a perl data structure into its JSON representation.
247 312
313=cut
314
315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
316
317sub encode_json($) { $json_coder->encode ($_[0]) }
318sub decode_json($) { $json_coder->decode ($_[0]) }
319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
332}
333
248=item cf::lock_wait $string 334=item cf::lock_wait $string
249 335
250Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
251 337
252=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
253 339
254Wait until the given lock is available and then acquires it and returns 340Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
257returned. 343returned.
258 344
345Locks are *not* recursive, locking from the same coro twice results in a
346deadlocked coro.
347
259Lock names should begin with a unique identifier (for example, cf::map::find 348Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 349uses map_find and cf::map::load uses map_load).
261 350
262=item $locked = cf::lock_active $string 351=item $locked = cf::lock_active $string
263 352
264Return true if the lock is currently active, i.e. somebody has locked it. 353Return true if the lock is currently active, i.e. somebody has locked it.
265 354
266=cut 355=cut
267 356
268our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
269 358
270sub lock_wait($) { 359sub lock_wait($) {
271 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 361}
279 362
280sub lock_acquire($) { 363sub lock_acquire($) {
281 my ($key) = @_; 364 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 365}
293 366
294sub lock_active($) { 367sub lock_active($) {
295 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 369}
299 370
300sub freeze_mainloop { 371sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 372 tick_inhibit_inc;
302 373
303 my $guard = Coro::guard { 374 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 375}
376
377=item cf::periodic $interval, $cb
378
379Like EV::periodic, but randomly selects a starting point so that the actions
380get spread over timer.
381
382=cut
383
384sub periodic($$) {
385 my ($interval, $cb) = @_;
386
387 my $start = rand List::Util::min 180, $interval;
388
389 EV::periodic $start, $interval, 0, $cb
390}
391
392=item cf::get_slot $time[, $priority[, $name]]
393
394Allocate $time seconds of blocking CPU time at priority C<$priority>:
395This call blocks and returns only when you have at least C<$time> seconds
396of cpu time till the next tick. The slot is only valid till the next cede.
397
398The optional C<$name> can be used to identify the job to run. It might be
399used for statistical purposes and should identify the same time-class.
400
401Useful for short background jobs.
402
403=cut
404
405our @SLOT_QUEUE;
406our $SLOT_QUEUE;
407
408$SLOT_QUEUE->cancel if $SLOT_QUEUE;
409$SLOT_QUEUE = Coro::async {
410 $Coro::current->desc ("timeslot manager");
411
412 my $signal = new Coro::Signal;
413
414 while () {
415 next_job:
416 my $avail = cf::till_tick;
417 if ($avail > 0.01) {
418 for (0 .. $#SLOT_QUEUE) {
419 if ($SLOT_QUEUE[$_][0] < $avail) {
420 my $job = splice @SLOT_QUEUE, $_, 1, ();
421 $job->[2]->send;
422 Coro::cede;
423 goto next_job;
424 }
425 }
426 }
427
428 if (@SLOT_QUEUE) {
429 # we do not use wait_for_tick() as it returns immediately when tick is inactive
430 push @cf::WAIT_FOR_TICK, $signal;
431 $signal->wait;
432 } else {
433 Coro::schedule;
434 }
305 }; 435 }
306 $TICK_WATCHER->stop; 436};
307 $guard 437
438sub get_slot($;$$) {
439 return if tick_inhibit || $Coro::current == $Coro::main;
440
441 my ($time, $pri, $name) = @_;
442
443 $time = $TICK * .6 if $time > $TICK * .6;
444 my $sig = new Coro::Signal;
445
446 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
447 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
448 $SLOT_QUEUE->ready;
449 $sig->wait;
308} 450}
309 451
310=item cf::async { BLOCK } 452=item cf::async { BLOCK }
311 453
312Currently the same as Coro::async_pool, meaning you cannot use 454Currently the same as Coro::async_pool, meaning you cannot use
… …
317 459
318BEGIN { *async = \&Coro::async_pool } 460BEGIN { *async = \&Coro::async_pool }
319 461
320=item cf::sync_job { BLOCK } 462=item cf::sync_job { BLOCK }
321 463
322The design of crossfire+ requires that the main coro ($Coro::main) is 464The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 465is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 466partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
467acceptable.
325 468
326If it must be done, put the blocking parts into C<sync_job>. This will run 469If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 470the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 471server will be frozen during this time, so the block should either finish
329fast or be very important. 472fast or be very important.
… …
332 475
333sub sync_job(&) { 476sub sync_job(&) {
334 my ($job) = @_; 477 my ($job) = @_;
335 478
336 if ($Coro::current == $Coro::main) { 479 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 480 my $time = EV::time;
338 481
339 # this is the main coro, too bad, we have to block 482 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 483 # till the operation succeeds, freezing the server :/
341 484
342 # TODO: use suspend/resume instead 485 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 486
344 my $freeze_guard = freeze_mainloop; 487 my $freeze_guard = freeze_mainloop;
345 488
346 my $busy = 1; 489 my $busy = 1;
347 my @res; 490 my @res;
348 491
349 (async { 492 (async {
493 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 494 @res = eval { $job->() };
351 warn $@ if $@; 495 warn $@ if $@;
352 undef $busy; 496 undef $busy;
353 })->prio (Coro::PRIO_MAX); 497 })->prio (Coro::PRIO_MAX);
354 498
355 while ($busy) { 499 while ($busy) {
356 Coro::cede or Event::one_event; 500 if (Coro::nready) {
501 Coro::cede_notself;
502 } else {
503 EV::loop EV::LOOP_ONESHOT;
357 } 504 }
505 }
358 506
359 $time = Event::time - $time; 507 my $time = EV::time - $time;
360 508
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 509 $TICK_START += $time; # do not account sync jobs to server load
365 510
366 wantarray ? @res : $res[0] 511 wantarray ? @res : $res[0]
367 } else { 512 } else {
368 # we are in another coroutine, how wonderful, everything just works 513 # we are in another coroutine, how wonderful, everything just works
369 514
… …
389 $EXT_CORO{$coro+0} = $coro; 534 $EXT_CORO{$coro+0} = $coro;
390 535
391 $coro 536 $coro
392} 537}
393 538
394sub write_runtime { 539=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 540
397 # first touch the runtime file to show we are still running: 541Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 542process, returning the results. Everything must be serialisable with
543Coro::Storable. May, of course, block. Note that the executed sub may
544never block itself or use any form of event handling.
399 545
400 IO::AIO::aio_utime $runtime, undef, undef; 546=cut
401 547
402 my $guard = cf::lock_acquire "write_runtime"; 548sub fork_call(&@) {
549 my ($cb, @args) = @_;
403 550
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 551 # we seemingly have to make a local copy of the whole thing,
405 or return; 552 # otherwise perl prematurely frees the stuff :/
553 # TODO: investigate and fix (likely this will be rather laborious)
406 554
407 my $value = $cf::RUNTIME + 90 + 10; 555 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 556 reset_signals;
409 # 60 allows for the watchdog to kill the server. 557 &$cb
558 }, @args;
410 559
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 560 wantarray ? @res : $res[-1]
412 and return; 561}
413 562
414 # always fsync - this file is important 563=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 564
418 # touch it again to show we are up-to-date 565=cut
419 aio_utime $fh, undef, undef;
420 566
421 close $fh 567our %coin_alias = (
422 or return; 568 "silver" => "silvercoin",
569 "silvercoin" => "silvercoin",
570 "silvercoins" => "silvercoin",
571 "gold" => "goldcoin",
572 "goldcoin" => "goldcoin",
573 "goldcoins" => "goldcoin",
574 "platinum" => "platinacoin",
575 "platinumcoin" => "platinacoin",
576 "platinumcoins" => "platinacoin",
577 "platina" => "platinacoin",
578 "platinacoin" => "platinacoin",
579 "platinacoins" => "platinacoin",
580 "royalty" => "royalty",
581 "royalties" => "royalty",
582);
423 583
424 aio_rename "$runtime~", $runtime 584sub coin_from_name($) {
425 and return; 585 $coin_alias{$_[0]}
586 ? cf::arch::find $coin_alias{$_[0]}
587 : undef
588}
426 589
427 warn "runtime file written.\n";#d# 590=item $value = cf::db_get $family => $key
428 591
592Returns a single value from the environment database.
593
594=item cf::db_put $family => $key => $value
595
596Stores the given C<$value> in the family. It can currently store binary
597data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
598
599=item $db = cf::db_table "name"
600
601Create and/or open a new database table. The string must not be "db" and must be unique
602within each server.
603
604=cut
605
606sub db_table($) {
607 my ($name) = @_;
608 my $db = BDB::db_create $DB_ENV;
609
610 eval {
611 $db->set_flags (BDB::CHKSUM);
612
613 utf8::encode $name;
614 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
615 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
616 cf::cleanup "db_open(db): $!" if $!;
617 };
618 cf::cleanup "db_open(db): $@" if $@;
619
620 $db
621}
622
623our $DB;
624
625sub db_init {
626 cf::sync_job {
627 $DB ||= db_table "db";
628 };
629}
630
631sub db_get($$) {
632 my $key = "$_[0]/$_[1]";
633
634 cf::sync_job {
635 BDB::db_get $DB, undef, $key, my $data;
636
637 $! ? ()
638 : $data
429 1 639 }
640}
641
642sub db_put($$$) {
643 BDB::dbreq_pri 4;
644 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
645}
646
647=item cf::cache $id => [$paths...], $processversion => $process
648
649Generic caching function that returns the value of the resource $id,
650caching and regenerating as required.
651
652This function can block.
653
654=cut
655
656sub cache {
657 my ($id, $src, $processversion, $process) = @_;
658
659 my $meta =
660 join "\x00",
661 $processversion,
662 map {
663 aio_stat $_
664 and Carp::croak "$_: $!";
665
666 ($_, (stat _)[7,9])
667 } @$src;
668
669 my $dbmeta = db_get cache => "$id/meta";
670 if ($dbmeta ne $meta) {
671 # changed, we may need to process
672
673 my @data;
674 my $md5;
675
676 for (0 .. $#$src) {
677 0 <= aio_load $src->[$_], $data[$_]
678 or Carp::croak "$src->[$_]: $!";
679 }
680
681 # if processing is expensive, check
682 # checksum first
683 if (1) {
684 $md5 =
685 join "\x00",
686 $processversion,
687 map {
688 cf::cede_to_tick;
689 ($src->[$_], Digest::MD5::md5_hex $data[$_])
690 } 0.. $#$src;
691
692
693 my $dbmd5 = db_get cache => "$id/md5";
694 if ($dbmd5 eq $md5) {
695 db_put cache => "$id/meta", $meta;
696
697 return db_get cache => "$id/data";
698 }
699 }
700
701 my $t1 = Time::HiRes::time;
702 my $data = $process->(\@data);
703 my $t2 = Time::HiRes::time;
704
705 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
706
707 db_put cache => "$id/data", $data;
708 db_put cache => "$id/md5" , $md5;
709 db_put cache => "$id/meta", $meta;
710
711 return $data;
712 }
713
714 db_get cache => "$id/data"
430} 715}
431 716
432=item cf::datalog type => key => value, ... 717=item cf::datalog type => key => value, ...
433 718
434Log a datalog packet of the given type with the given key-value pairs. 719Log a datalog packet of the given type with the given key-value pairs.
… …
446 731
447############################################################################# 732#############################################################################
448 733
449=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
450 735
451Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
452attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
454 739
455In the following description, CLASS can be any of C<global>, C<object> 740In the following description, CLASS can be any of C<global>, C<object>
456C<player>, C<client> or C<map> (i.e. the attachable objects in 741C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 742Deliantra).
458 743
459=over 4 744=over 4
460 745
461=item $attachable->attach ($attachment, key => $value...) 746=item $attachable->attach ($attachment, key => $value...)
462 747
… …
506=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
507 792
508Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
510 795
511Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
512that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
513 798
514These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
515 800
516=over 4 801=over 4
… …
664 _attach $registry, $klass, @attach; 949 _attach $registry, $klass, @attach;
665 } 950 }
666 951
667 $obj->{$name} = \%arg; 952 $obj->{$name} = \%arg;
668 } else { 953 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 954 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 955 }
671 956
672 $obj->{_attachment}{$name} = undef; 957 $obj->{_attachment}{$name} = undef;
673} 958}
674 959
… …
714 "; 999 ";
715 die if $@; 1000 die if $@;
716} 1001}
717 1002
718our $override; 1003our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1004our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1005
721sub override { 1006sub override {
722 $override = 1; 1007 $override = 1;
723 @invoke_results = (); 1008 @INVOKE_RESULTS = (@_);
724} 1009}
725 1010
726sub do_invoke { 1011sub do_invoke {
727 my $event = shift; 1012 my $event = shift;
728 my $callbacks = shift; 1013 my $callbacks = shift;
729 1014
730 @invoke_results = (); 1015 @INVOKE_RESULTS = ();
731 1016
732 local $override; 1017 local $override;
733 1018
734 for (@$callbacks) { 1019 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1020 eval { &{$_->[1]} };
… …
744 } 1029 }
745 1030
746 0 1031 0
747} 1032}
748 1033
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1034=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1035
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1037
753Generate an object-specific event with the given arguments. 1038Generate an object-specific event with the given arguments.
754 1039
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1040This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1041removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1042results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1043
759=back 1044=back
760 1045
761=cut 1046=cut
762 1047
763############################################################################# 1048#############################################################################
764# object support 1049# object support
1050
1051sub _object_equal($$);
1052sub _object_equal($$) {
1053 my ($a, $b) = @_;
1054
1055 return 0 unless (ref $a) eq (ref $b);
1056
1057 if ("HASH" eq ref $a) {
1058 my @ka = keys %$a;
1059 my @kb = keys %$b;
1060
1061 return 0 if @ka != @kb;
1062
1063 for (0 .. $#ka) {
1064 return 0 unless $ka[$_] eq $kb[$_];
1065 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1066 }
1067
1068 } elsif ("ARRAY" eq ref $a) {
1069
1070 return 0 if @$a != @$b;
1071
1072 for (0 .. $#$a) {
1073 return 0 unless _object_equal $a->[$_], $b->[$_];
1074 }
1075
1076 } elsif ($a ne $b) {
1077 return 0;
1078 }
1079
1080 1
1081}
1082
1083our $SLOW_MERGES;#d#
1084sub _can_merge {
1085 my ($ob1, $ob2) = @_;
1086
1087 ++$SLOW_MERGES;#d#
1088
1089 # we do the slow way here
1090 return _object_equal $ob1, $ob2
1091}
765 1092
766sub reattach { 1093sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1095 my ($obj) = @_;
769 1096
1097 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1098 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1099
772 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
773 1101
774 @$registry = (); 1102 @$registry = ();
775 1103
… …
790cf::attachable->attach ( 1118cf::attachable->attach (
791 prio => -1000000, 1119 prio => -1000000,
792 on_instantiate => sub { 1120 on_instantiate => sub {
793 my ($obj, $data) = @_; 1121 my ($obj, $data) = @_;
794 1122
795 $data = from_json $data; 1123 $data = decode_json $data;
796 1124
797 for (@$data) { 1125 for (@$data) {
798 my ($name, $args) = @$_; 1126 my ($name, $args) = @$_;
799 1127
800 $obj->attach ($name, %{$args || {} }); 1128 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1144sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1145 my ($filename, $rdata, $objs) = @_;
818 1146
819 sync_job { 1147 sync_job {
820 if (length $$rdata) { 1148 if (length $$rdata) {
1149 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1150 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1151 $decname, length $$rdata, scalar @$objs;
823 1152
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1155 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1156 if ($cf::USE_FSYNC) {
1157 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1158 aio_fsync $fh;
1159 }
828 close $fh; 1160 aio_close $fh;
829 1161
830 if (@$objs) { 1162 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1163 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1164 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1165 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1166 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1167 if ($cf::USE_FSYNC) {
1168 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1169 aio_fsync $fh;
1170 }
836 close $fh; 1171 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1172 aio_rename "$filename.pst~", "$filename.pst";
838 } 1173 }
839 } else { 1174 } else {
840 aio_unlink "$filename.pst"; 1175 aio_unlink "$filename.pst";
841 } 1176 }
842 1177
843 aio_rename "$filename~", $filename; 1178 aio_rename "$filename~", $filename;
1179
1180 $filename =~ s%/[^/]+$%%;
1181 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1182 } else {
845 warn "FATAL: $filename~: $!\n"; 1183 warn "unable to save objects: $filename~: $!\n";
846 } 1184 }
847 } else { 1185 } else {
848 aio_unlink $filename; 1186 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1187 aio_unlink "$filename.pst";
850 } 1188 }
851 } 1189 };
852} 1190}
853 1191
854sub object_freezer_as_string { 1192sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1193 my ($rdata, $objs) = @_;
856 1194
… …
868 or return; 1206 or return;
869 1207
870 unless (aio_stat "$filename.pst") { 1208 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1209 (aio_load "$filename.pst", $av) >= 0
872 or return; 1210 or return;
1211
873 $av = eval { (Storable::thaw $av)->{objs} }; 1212 my $st = eval { Coro::Storable::thaw $av };
1213 $av = $st->{objs};
874 } 1214 }
875 1215
1216 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1217 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1218 $decname, length $data, scalar @{$av || []};
1219
878 return ($data, $av); 1220 ($data, $av)
879} 1221}
1222
1223=head2 COMMAND CALLBACKS
1224
1225=over 4
1226
1227=cut
880 1228
881############################################################################# 1229#############################################################################
882# command handling &c 1230# command handling &c
883 1231
884=item cf::register_command $name => \&callback($ob,$args); 1232=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1245 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1246}
899 1247
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1248=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1249
902Register a callbackf ro execution when the client sends an extcmd packet. 1250Register a callback for execution when the client sends an (synchronous)
1251extcmd packet. Ext commands will be processed in the order they are
1252received by the server, like other user commands. The first argument is
1253the logged-in player. Ext commands can only be processed after a player
1254has logged in successfully.
903 1255
904If the callback returns something, it is sent back as if reply was being 1256If the callback returns something, it is sent back as if reply was being
905called. 1257called.
906 1258
1259=item cf::register_exticmd $name => \&callback($ns,$packet);
1260
1261Register a callback for execution when the client sends an (asynchronous)
1262exticmd packet. Exti commands are processed by the server as soon as they
1263are received, i.e. out of order w.r.t. other commands. The first argument
1264is a client socket. Exti commands can be received anytime, even before
1265log-in.
1266
1267If the callback returns something, it is sent back as if reply was being
1268called.
1269
907=cut 1270=cut
908 1271
909sub register_extcmd { 1272sub register_extcmd {
910 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
911 1274
912 $EXTCMD{$name} = $cb; 1275 $EXTCMD{$name} = $cb;
913} 1276}
1277
1278sub register_exticmd {
1279 my ($name, $cb) = @_;
1280
1281 $EXTICMD{$name} = $cb;
1282}
1283
1284use File::Glob ();
914 1285
915cf::player->attach ( 1286cf::player->attach (
916 on_command => sub { 1287 on_command => sub {
917 my ($pl, $name, $params) = @_; 1288 my ($pl, $name, $params) = @_;
918 1289
… …
926 cf::override; 1297 cf::override;
927 }, 1298 },
928 on_extcmd => sub { 1299 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1300 my ($pl, $buf) = @_;
930 1301
931 my $msg = eval { from_json $buf }; 1302 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1303
933 if (ref $msg) { 1304 if (ref $msg) {
1305 my ($type, $reply, @payload) =
1306 "ARRAY" eq ref $msg
1307 ? @$msg
1308 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1309
1310 my @reply;
1311
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1312 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1313 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1314 }
1315
1316 $pl->ext_reply ($reply, @reply)
1317 if $reply;
1318
939 } else { 1319 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1320 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1321 }
942 1322
943 cf::override; 1323 cf::override;
944 }, 1324 },
945); 1325);
946 1326
1327# "readahead" all extensions
947sub load_extension { 1328sub cache_extensions {
948 my ($path) = @_; 1329 my $grp = IO::AIO::aio_group;
949 1330
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1331 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1332 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1333 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1334 }
975 die $@;
976 } 1335 };
977 1336
978 push @EXTS, $pkg; 1337 $grp
979} 1338}
980 1339
981sub load_extensions { 1340sub load_extensions {
1341 cf::sync_job {
1342 my %todo;
1343
982 for my $ext (<$LIBDIR/*.ext>) { 1344 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1345 next unless -r $path;
984 eval { 1346
985 load_extension $ext; 1347 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1348 my $base = $1;
1349 my $pkg = $1;
1350 $pkg =~ s/[^[:word:]]/_/g;
1351 $pkg = "ext::$pkg";
1352
1353 open my $fh, "<:utf8", $path
1354 or die "$path: $!";
1355
1356 my $source = do { local $/; <$fh> };
1357
1358 my %ext = (
1359 path => $path,
1360 base => $base,
1361 pkg => $pkg,
1362 );
1363
1364 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1365 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1366
1367 $ext{source} =
1368 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1369 . "#line 1 \"$path\"\n{\n"
1370 . $source
1371 . "\n};\n1";
1372
1373 $todo{$base} = \%ext;
1374 }
1375
1376 my %done;
1377 while (%todo) {
1378 my $progress;
1379
1380 while (my ($k, $v) = each %todo) {
1381 for (split /,\s*/, $v->{meta}{depends}) {
1382 goto skip
1383 unless exists $done{$_};
1384 }
1385
1386 warn "... loading '$k' into '$v->{pkg}'\n";
1387
1388 unless (eval $v->{source}) {
1389 my $msg = $@ ? "$v->{path}: $@\n"
1390 : "$v->{base}: extension inactive.\n";
1391
1392 if (exists $v->{meta}{mandatory}) {
1393 warn $msg;
1394 cf::cleanup "mandatory extension failed to load, exiting.";
1395 }
1396
1397 warn $msg;
1398 }
1399
1400 $done{$k} = delete $todo{$k};
1401 push @EXTS, $v->{pkg};
1402 $progress = 1;
986 1 1403 }
987 } or warn "$ext not loaded: $@"; 1404
1405 skip:
1406 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1407 unless $progress;
1408 }
988 } 1409 };
989} 1410}
990 1411
991############################################################################# 1412#############################################################################
992 1413
1414=back
1415
993=head2 CORE EXTENSIONS 1416=head2 CORE EXTENSIONS
994 1417
995Functions and methods that extend core crossfire objects. 1418Functions and methods that extend core deliantra objects.
996 1419
997=cut 1420=cut
998 1421
999package cf::player; 1422package cf::player;
1000 1423
1001use Coro::AIO; 1424use Coro::AIO;
1002 1425
1003=head3 cf::player 1426=head3 cf::player
1004 1427
1005=over 4 1428=over 4
1429
1430=item cf::player::num_playing
1431
1432Returns the official number of playing players, as per the Crossfire metaserver rules.
1433
1434=cut
1435
1436sub num_playing {
1437 scalar grep
1438 $_->ob->map
1439 && !$_->hidden
1440 && !$_->ob->flag (cf::FLAG_WIZ),
1441 cf::player::list
1442}
1006 1443
1007=item cf::player::find $login 1444=item cf::player::find $login
1008 1445
1009Returns the given player object, loading it if necessary (might block). 1446Returns the given player object, loading it if necessary (might block).
1010 1447
… …
1029 1466
1030sub exists($) { 1467sub exists($) {
1031 my ($login) = @_; 1468 my ($login) = @_;
1032 1469
1033 $cf::PLAYER{$login} 1470 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1471 or !aio_stat path $login
1035} 1472}
1036 1473
1037sub find($) { 1474sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1475 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1476 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1483 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1484 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1485 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1486 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1487
1051 my $pl = load_pl path $login 1488 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1489 or return;
1490
1491 my $pl = cf::player::load_pl $f
1492 or return;
1493
1494 local $cf::PLAYER_LOADING{$login} = $pl;
1495 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1496 $cf::PLAYER{$login} = $pl
1054 } 1497 }
1055 } 1498 }
1056} 1499}
1057 1500
… …
1066 return if $pl->{deny_save}; 1509 return if $pl->{deny_save};
1067 1510
1068 aio_mkdir playerdir $pl, 0770; 1511 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1512 $pl->{last_save} = $cf::RUNTIME;
1070 1513
1514 cf::get_slot 0.01;
1515
1071 $pl->save_pl ($path); 1516 $pl->save_pl ($path);
1072 Coro::cede; 1517 cf::cede_to_tick;
1073} 1518}
1074 1519
1075sub new($) { 1520sub new($) {
1076 my ($login) = @_; 1521 my ($login) = @_;
1077 1522
… …
1083 $cf::PLAYER{$login} = $self; 1528 $cf::PLAYER{$login} = $self;
1084 1529
1085 $self 1530 $self
1086} 1531}
1087 1532
1533=item $player->send_msg ($channel, $msg, $color, [extra...])
1534
1535=cut
1536
1537sub send_msg {
1538 my $ns = shift->ns
1539 or return;
1540 $ns->send_msg (@_);
1541}
1542
1088=item $pl->quit_character 1543=item $pl->quit_character
1089 1544
1090Nukes the player without looking back. If logged in, the connection will 1545Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1546be destroyed. May block for a long time.
1092 1547
… …
1096 my ($pl) = @_; 1551 my ($pl) = @_;
1097 1552
1098 my $name = $pl->ob->name; 1553 my $name = $pl->ob->name;
1099 1554
1100 $pl->{deny_save} = 1; 1555 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1556 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1557
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1558 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1559 $pl->deactivate;
1560 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1561 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1562 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1563 $pl->ns->destroy if $pl->ns;
1107 1564
1108 my $path = playerdir $pl; 1565 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1566 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1602 or return [];
1146 1603
1147 my @logins; 1604 my @logins;
1148 1605
1149 for my $login (@$dirs) { 1606 for my $login (@$dirs) {
1607 my $path = path $login;
1608
1609 # a .pst is a dead give-away for a valid player
1610 # if no pst file found, open and chekc for blocked users
1611 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1612 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1613 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1614 $buf !~ /^password -------------$/m or next; # official not-valid tag
1615 }
1153 1616
1154 utf8::decode $login; 1617 utf8::decode $login;
1155 push @logins, $login; 1618 push @logins, $login;
1156 } 1619 }
1157 1620
… …
1184 } 1647 }
1185 1648
1186 \@paths 1649 \@paths
1187} 1650}
1188 1651
1652=item $protocol_xml = $player->expand_cfpod ($cfpod)
1653
1654Expand deliantra pod fragments into protocol xml.
1655
1189=item $player->ext_reply ($msgid, %msg) 1656=item $player->ext_reply ($msgid, @msg)
1190 1657
1191Sends an ext reply to the player. 1658Sends an ext reply to the player.
1192 1659
1193=cut 1660=cut
1194 1661
1195sub ext_reply($$%) { 1662sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1663 my ($self, $id, @msg) = @_;
1197 1664
1198 $msg{msgid} = $id; 1665 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1666}
1202 1667
1203=item $player->ext_event ($type, %msg) 1668=item $player->ext_msg ($type, @msg)
1204 1669
1205Sends an ext event to the client. 1670Sends an ext event to the client.
1206 1671
1207=cut 1672=cut
1208 1673
1209sub ext_event($$%) { 1674sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1675 my ($self, $type, @msg) = @_;
1211 1676
1212 $self->ns->ext_event ($type, %msg); 1677 $self->ns->ext_msg ($type, @msg);
1213} 1678}
1214 1679
1215=head3 cf::region 1680=head3 cf::region
1216 1681
1217=over 4 1682=over 4
… …
1220 1685
1221package cf::region; 1686package cf::region;
1222 1687
1223=item cf::region::find_by_path $path 1688=item cf::region::find_by_path $path
1224 1689
1225Tries to decuce the probable region for a map knowing only its path. 1690Tries to decuce the likely region for a map knowing only its path.
1226 1691
1227=cut 1692=cut
1228 1693
1229sub find_by_path($) { 1694sub find_by_path($) {
1230 my ($path) = @_; 1695 my ($path) = @_;
1231 1696
1232 my ($match, $specificity); 1697 my ($match, $specificity);
1233 1698
1234 for my $region (list) { 1699 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1700 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1701 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1702 if $region->specificity > $specificity;
1238 } 1703 }
1239 } 1704 }
1240 1705
… …
1261our $MAX_RESET = 3600; 1726our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1727our $DEFAULT_RESET = 3000;
1263 1728
1264sub generate_random_map { 1729sub generate_random_map {
1265 my ($self, $rmp) = @_; 1730 my ($self, $rmp) = @_;
1731
1732 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1733
1266 # mit "rum" bekleckern, nicht 1734 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1735 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1736 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1737 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1738 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1772 my ($self, $merge) = @_;
1305 1773
1306 # we have to keep some variables in memory intact 1774 # we have to keep some variables in memory intact
1307 local $self->{path}; 1775 local $self->{path};
1308 local $self->{load_path}; 1776 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1777
1312 $self->SUPER::thawer_merge ($merge); 1778 $self->SUPER::thawer_merge ($merge);
1313} 1779}
1314 1780
1315sub normalise { 1781sub normalise {
… …
1362 $self->init; # pass $1 etc. 1828 $self->init; # pass $1 etc.
1363 return $self; 1829 return $self;
1364 } 1830 }
1365 } 1831 }
1366 1832
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1833 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1834 ()
1369} 1835}
1370 1836
1371sub init { 1837sub init {
1372 my ($self) = @_; 1838 my ($self) = @_;
… …
1394 1860
1395# the temporary/swap location 1861# the temporary/swap location
1396sub save_path { 1862sub save_path {
1397 my ($self) = @_; 1863 my ($self) = @_;
1398 1864
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1865 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1866 "$TMPDIR/$path.map"
1401} 1867}
1402 1868
1403# the unique path, undef == no special unique path 1869# the unique path, undef == no special unique path
1404sub uniq_path { 1870sub uniq_path {
1405 my ($self) = @_; 1871 my ($self) = @_;
1406 1872
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1873 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1874 "$UNIQUEDIR/$path"
1409} 1875}
1410 1876
1411# and all this just because we cannot iterate over 1877sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1878 my ($self) = @_;
1415 1879
1416 $_->change_map_light ($change) 1880 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1881
1882 $self->do_decay_objects;
1418} 1883}
1419 1884
1420sub unlink_save { 1885sub unlink_save {
1421 my ($self) = @_; 1886 my ($self) = @_;
1422 1887
… …
1427 1892
1428sub load_header_from($) { 1893sub load_header_from($) {
1429 my ($self, $path) = @_; 1894 my ($self, $path) = @_;
1430 1895
1431 utf8::encode $path; 1896 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1897 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1898 or return;
1899
1900 $self->_load_header ($f)
1901 or return;
1902
1903 local $MAP_LOADING{$self->{path}} = $self;
1904 $f->resolve_delayed_derefs;
1437 1905
1438 $self->{load_path} = $path; 1906 $self->{load_path} = $path;
1439 1907
1440 1 1908 1
1441} 1909}
… …
1480 $self->load_header_orig 1948 $self->load_header_orig
1481 or return; 1949 or return;
1482 $self->prepare_orig; 1950 $self->prepare_orig;
1483 } 1951 }
1484 1952
1953 $self->{deny_reset} = 1
1954 if $self->no_reset;
1955
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1956 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1957 unless $self->default_region;
1487 1958
1488 1 1959 1
1489} 1960}
… …
1492sub find { 1963sub find {
1493 my ($path, $origin) = @_; 1964 my ($path, $origin) = @_;
1494 1965
1495 $path = normalise $path, $origin && $origin->path; 1966 $path = normalise $path, $origin && $origin->path;
1496 1967
1968 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1969 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1970
1499 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1972 my $map = new_from_path cf::map $path
1502 or return; 1973 or return;
1503 1974
1504 $map->{last_save} = $cf::RUNTIME; 1975 $map->{last_save} = $cf::RUNTIME;
1505 1976
1506 $map->load_header 1977 $map->load_header
1507 or return; 1978 or return;
1508 1979
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1980 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1981 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1982 #$cf::WAIT_FOR_TICK->wait;
1983 undef $guard2;
1984 undef $guard1;
1512 $map->reset; 1985 $map->reset;
1513 undef $guard;
1514 return find $path; 1986 return find $path;
1515 } 1987 }
1516 1988
1517 $cf::MAP{$path} = $map 1989 $cf::MAP{$path} = $map
1518 } 1990 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 1999 local $self->{deny_reset} = 1; # loading can take a long time
1528 2000
1529 my $path = $self->{path}; 2001 my $path = $self->{path};
1530 2002
1531 { 2003 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2004 my $guard = cf::lock_acquire "map_data:$path";
1533 2005
2006 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2007 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2008
1536 $self->in_memory (cf::MAP_LOADING); 2009 $self->in_memory (cf::MAP_LOADING);
1537 2010
1538 $self->alloc; 2011 $self->alloc;
1539 2012
1540 $self->pre_load; 2013 $self->pre_load;
1541 Coro::cede; 2014 cf::cede_to_tick;
1542 2015
2016 my $f = new_from_file cf::object::thawer $self->{load_path};
2017 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2018 $self->_load_objects ($f)
1544 or return; 2019 or return;
1545 2020
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2021 $self->post_load_original
1547 if delete $self->{load_original}; 2022 if delete $self->{load_original};
1548 2023
1549 if (my $uniq = $self->uniq_path) { 2024 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2025 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2026 unless (aio_stat $uniq) {
2027 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2028 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2029 $self->_load_objects ($f);
2030 $f->resolve_delayed_derefs;
2031 }
1554 } 2032 }
1555 } 2033 }
1556 2034
1557 Coro::cede; 2035 $f->resolve_delayed_derefs;
2036
2037 cf::cede_to_tick;
1558 # now do the right thing for maps 2038 # now do the right thing for maps
1559 $self->link_multipart_objects; 2039 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2040 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2041 unless $self->difficulty;
1562 Coro::cede; 2042 cf::cede_to_tick;
1563 2043
1564 unless ($self->{deny_activate}) { 2044 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2045 $self->decay_objects;
1566 $self->fix_auto_apply; 2046 $self->fix_auto_apply;
1567 $self->update_buttons; 2047 $self->update_buttons;
1568 Coro::cede; 2048 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2049 $self->activate;
1572 } 2050 }
1573 2051
2052 $self->{last_save} = $cf::RUNTIME;
2053 $self->last_access ($cf::RUNTIME);
2054
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2055 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2056 }
1576 2057
1577 $self->post_load; 2058 $self->post_load;
1578} 2059}
1579 2060
… …
1581 my ($self, $ob) = @_; 2062 my ($self, $ob) = @_;
1582 2063
1583 return find "~" . $ob->name . "/" . $self->{path} 2064 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2065 if $self->per_player;
1585 2066
2067# return find "?party/" . $ob->name . "/" . $self->{path}
2068# if $self->per_party;
2069
1586 $self 2070 $self
1587} 2071}
1588 2072
1589# find and load all maps in the 3x3 area around a map 2073# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2074sub load_neighbours {
1591 my ($map) = @_; 2075 my ($map) = @_;
1592 2076
1593 my @diag; # diagonal neighbours 2077 my @neigh; # diagonal neighbours
1594 2078
1595 for (0 .. 3) { 2079 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2080 my $neigh = $map->tile_path ($_)
1597 or next; 2081 or next;
1598 $neigh = find $neigh, $map 2082 $neigh = find $neigh, $map
1599 or next; 2083 or next;
1600 $neigh->load; 2084 $neigh->load;
1601 2085
2086 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2087 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2088 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2089 }
1605 2090
1606 for (@diag) { 2091 for (grep defined $_->[0], @neigh) {
2092 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2093 my $neigh = find $path, $origin
1608 or next; 2094 or next;
1609 $neigh->load; 2095 $neigh->load;
1610 } 2096 }
1611} 2097}
1612 2098
… …
1617} 2103}
1618 2104
1619sub do_load_sync { 2105sub do_load_sync {
1620 my ($map) = @_; 2106 my ($map) = @_;
1621 2107
2108 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2109 if $Coro::current == $Coro::main;
2110
1622 cf::sync_job { $map->load }; 2111 cf::sync_job { $map->load };
1623} 2112}
1624 2113
1625our %MAP_PREFETCH; 2114our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2115our $MAP_PREFETCHER = undef;
1627 2116
1628sub find_async { 2117sub find_async {
1629 my ($path, $origin) = @_; 2118 my ($path, $origin, $load) = @_;
1630 2119
1631 $path = normalise $path, $origin && $origin->{path}; 2120 $path = normalise $path, $origin && $origin->{path};
1632 2121
1633 if (my $map = $cf::MAP{$path}) { 2122 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2123 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2124 }
1636 2125
1637 undef $MAP_PREFETCH{$path}; 2126 $MAP_PREFETCH{$path} |= $load;
2127
1638 $MAP_PREFETCHER ||= cf::async { 2128 $MAP_PREFETCHER ||= cf::async {
2129 $Coro::current->{desc} = "map prefetcher";
2130
1639 while (%MAP_PREFETCH) { 2131 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2132 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2133 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2134 $map->load if $v;
2135 }
1644 2136
1645 delete $MAP_PREFETCH{$path}; 2137 delete $MAP_PREFETCH{$k};
1646 } 2138 }
1647 } 2139 }
1648 undef $MAP_PREFETCHER; 2140 undef $MAP_PREFETCHER;
1649 }; 2141 };
1650 $MAP_PREFETCHER->prio (6); 2142 $MAP_PREFETCHER->prio (6);
… …
1653} 2145}
1654 2146
1655sub save { 2147sub save {
1656 my ($self) = @_; 2148 my ($self) = @_;
1657 2149
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2150 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2151
1660 $self->{last_save} = $cf::RUNTIME; 2152 $self->{last_save} = $cf::RUNTIME;
1661 2153
1662 return unless $self->dirty; 2154 return unless $self->dirty;
1663 2155
… …
1669 return if $self->{deny_save}; 2161 return if $self->{deny_save};
1670 2162
1671 local $self->{last_access} = $self->last_access;#d# 2163 local $self->{last_access} = $self->last_access;#d#
1672 2164
1673 cf::async { 2165 cf::async {
2166 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2167 $_->contr->save for $self->players;
1675 }; 2168 };
2169
2170 cf::get_slot 0.02;
1676 2171
1677 if ($uniq) { 2172 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2173 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2174 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2175 } else {
… …
1686 my ($self) = @_; 2181 my ($self) = @_;
1687 2182
1688 # save first because save cedes 2183 # save first because save cedes
1689 $self->save; 2184 $self->save;
1690 2185
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2186 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2187
1693 return if $self->players; 2188 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2189 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2190 return if $self->{deny_save};
1696 2191
2192 $self->in_memory (cf::MAP_SWAPPED);
2193
2194 $self->deactivate;
2195 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2196 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2197}
1700 2198
1701sub reset_at { 2199sub reset_at {
1702 my ($self) = @_; 2200 my ($self) = @_;
1703 2201
1704 # TODO: safety, remove and allow resettable per-player maps 2202 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2203 return 1e99 if $self->{deny_reset};
1707 2204
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2205 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2206 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2207
… …
1721 my ($self) = @_; 2218 my ($self) = @_;
1722 2219
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2221
1725 return if $self->players; 2222 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2223
1728 warn "resetting map ", $self->path;#d# 2224 warn "resetting map ", $self->path;
1729 2225
1730 $self->in_memory (cf::MAP_SWAPPED); 2226 $self->in_memory (cf::MAP_SWAPPED);
1731 2227
1732 # need to save uniques path 2228 # need to save uniques path
1733 unless ($self->{deny_save}) { 2229 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2233 if $uniq;
1738 } 2234 }
1739 2235
1740 delete $cf::MAP{$self->path}; 2236 delete $cf::MAP{$self->path};
1741 2237
2238 $self->deactivate;
2239 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2240 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2241
1746 $self->unlink_save; 2242 $self->unlink_save;
1747 $self->destroy; 2243 $self->destroy;
1748} 2244}
1749 2245
1750my $nuke_counter = "aaaa"; 2246my $nuke_counter = "aaaa";
1751 2247
1752sub nuke { 2248sub nuke {
1753 my ($self) = @_; 2249 my ($self) = @_;
1754 2250
2251 {
2252 my $lock = cf::lock_acquire "map_data:$self->{path}";
2253
1755 delete $cf::MAP{$self->path}; 2254 delete $cf::MAP{$self->path};
1756 2255
1757 $self->unlink_save; 2256 $self->unlink_save;
1758 2257
1759 bless $self, "cf::map"; 2258 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2259 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2260 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2261 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2262 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2263
1765 $cf::MAP{$self->path} = $self; 2264 $cf::MAP{$self->path} = $self;
2265 }
1766 2266
1767 $self->reset; # polite request, might not happen 2267 $self->reset; # polite request, might not happen
2268}
2269
2270=item $maps = cf::map::tmp_maps
2271
2272Returns an arrayref with all map paths of currently instantiated and saved
2273maps. May block.
2274
2275=cut
2276
2277sub tmp_maps() {
2278 [
2279 map {
2280 utf8::decode $_;
2281 /\.map$/
2282 ? normalise $_
2283 : ()
2284 } @{ aio_readdir $TMPDIR or [] }
2285 ]
2286}
2287
2288=item $maps = cf::map::random_maps
2289
2290Returns an arrayref with all map paths of currently instantiated and saved
2291random maps. May block.
2292
2293=cut
2294
2295sub random_maps() {
2296 [
2297 map {
2298 utf8::decode $_;
2299 /\.map$/
2300 ? normalise "?random/$_"
2301 : ()
2302 } @{ aio_readdir $RANDOMDIR or [] }
2303 ]
1768} 2304}
1769 2305
1770=item cf::map::unique_maps 2306=item cf::map::unique_maps
1771 2307
1772Returns an arrayref of paths of all shared maps that have 2308Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2309instantiated unique items. May block.
1774 2310
1775=cut 2311=cut
1776 2312
1777sub unique_maps() { 2313sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2314 [
1779 or return; 2315 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2316 utf8::decode $_;
1785 next if /\.pst$/; 2317 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2318 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2319 ? ()
1788 push @paths, cf::map::normalise $_; 2320 : normalise $_
2321 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2322 ]
1790
1791 \@paths
1792} 2323}
1793
1794package cf;
1795 2324
1796=back 2325=back
1797 2326
1798=head3 cf::object 2327=head3 cf::object
1799 2328
… …
1803 2332
1804=over 4 2333=over 4
1805 2334
1806=item $ob->inv_recursive 2335=item $ob->inv_recursive
1807 2336
1808Returns the inventory of the object _and_ their inventories, recursively. 2337Returns the inventory of the object I<and> their inventories, recursively,
2338but I<not> the object itself.
1809 2339
1810=cut 2340=cut
1811 2341
1812sub inv_recursive_; 2342sub inv_recursive_;
1813sub inv_recursive_ { 2343sub inv_recursive_ {
… …
1816 2346
1817sub inv_recursive { 2347sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2348 inv_recursive_ inv $_[0]
1819} 2349}
1820 2350
2351=item $ref = $ob->ref
2352
2353Creates and returns a persistent reference to an object that can be stored as a string.
2354
2355=item $ob = cf::object::deref ($refstring)
2356
2357returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2358even if the object actually exists. May block.
2359
2360=cut
2361
2362sub deref {
2363 my ($ref) = @_;
2364
2365 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2366 my ($uuid, $name) = ($1, $2);
2367 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2368 or return;
2369 $pl->ob->uuid eq $uuid
2370 or return;
2371
2372 $pl->ob
2373 } else {
2374 warn "$ref: cannot resolve object reference\n";
2375 undef
2376 }
2377}
2378
1821package cf; 2379package cf;
1822 2380
1823=back 2381=back
1824 2382
1825=head3 cf::object::player 2383=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2389Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2390can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2391dialogue with the given NPC character.
1834 2392
1835=cut 2393=cut
2394
2395our $SAY_CHANNEL = {
2396 id => "say",
2397 title => "Map",
2398 reply => "say ",
2399 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2400};
2401
2402our $CHAT_CHANNEL = {
2403 id => "chat",
2404 title => "Chat",
2405 reply => "chat ",
2406 tooltip => "Player chat and shouts, global to the server.",
2407};
1836 2408
1837# rough implementation of a future "reply" method that works 2409# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2410# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2411#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2412sub cf::object::player::reply($$$;$) {
… …
1842 2414
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2415 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2416
1845 if ($self->{record_replies}) { 2417 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2418 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2419
1847 } else { 2420 } else {
2421 my $pl = $self->contr;
2422
2423 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2424 my $dialog = $pl->{npc_dialog};
2425 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2426
2427 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2428 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2429 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2430 }
1850 } 2431 }
2432}
2433
2434=item $object->send_msg ($channel, $msg, $color, [extra...])
2435
2436=cut
2437
2438sub cf::object::send_msg {
2439 my $pl = shift->contr
2440 or return;
2441 $pl->send_msg (@_);
1851} 2442}
1852 2443
1853=item $player_object->may ("access") 2444=item $player_object->may ("access")
1854 2445
1855Returns wether the given player is authorized to access resource "access" 2446Returns wether the given player is authorized to access resource "access"
… …
1868 2459
1869=item $player_object->enter_link 2460=item $player_object->enter_link
1870 2461
1871Freezes the player and moves him/her to a special map (C<{link}>). 2462Freezes the player and moves him/her to a special map (C<{link}>).
1872 2463
1873The player should be reasonably safe there for short amounts of time. You 2464The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2465for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2466though, as the palyer cannot control the character while it is on the link
2467map.
1875 2468
1876Will never block. 2469Will never block.
1877 2470
1878=item $player_object->leave_link ($map, $x, $y) 2471=item $player_object->leave_link ($map, $x, $y)
1879 2472
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2527 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2528 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2529 if $x <=0 && $y <= 0;
1937 2530
1938 $map->load; 2531 $map->load;
1939 $map->load_diag; 2532 $map->load_neighbours;
1940 2533
1941 return unless $self->contr->active; 2534 return unless $self->contr->active;
2535 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942 $self->activate_recursive; 2536 $self->activate_recursive;
1943 2537
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2538 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2539 $self->enter_map ($map, $x, $y);
1946} 2540}
1947 2541
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2542=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2543
1950Moves the player to the given map-path and coordinates by first freezing 2544Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2545her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2546that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2547the new (success) or old (failed) map position. In either case, $done will
2548be called at the end of this process.
2549
2550Note that $check will be called with a potentially non-loaded map, so if
2551it needs a loaded map it has to call C<< ->load >>.
1954 2552
1955=cut 2553=cut
1956 2554
1957our $GOTOGEN; 2555our $GOTOGEN;
1958 2556
1959sub cf::object::player::goto { 2557sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2558 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2559
1962 # do generation counting so two concurrent goto's will be executed in-order 2560 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2561 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2562
1965 $self->enter_link; 2563 $self->enter_link;
1966 2564
1967 (async { 2565 (async {
2566 $Coro::current->{desc} = "player::goto $path $x $y";
2567
2568 # *tag paths override both path and x|y
2569 if ($path =~ /^\*(.*)$/) {
2570 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2571 my $ob = $obs[rand @obs];
2572
2573 # see if we actually can go there
2574 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2575 $ob = $obs[rand @obs];
2576 } else {
2577 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579 # else put us there anyways for now #d#
2580
2581 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2582 } else {
2583 ($path, $x, $y) = (undef, undef, undef);
2584 }
2585 }
2586
1968 my $map = eval { 2587 my $map = eval {
1969 my $map = cf::map::find $path; 2588 my $map = defined $path ? cf::map::find $path : undef;
1970 2589
1971 if ($map) { 2590 if ($map) {
1972 $map = $map->customise_for ($self); 2591 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2592 $map = $check->($map) if $check && $map;
1974 } else { 2593 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2594 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2595 }
1977 2596
1978 $map 2597 $map
1979 }; 2598 };
1980 2599
… …
1985 2604
1986 if ($gen == $self->{_goto_generation}) { 2605 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2606 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2607 $self->leave_link ($map, $x, $y);
1989 } 2608 }
2609
2610 $done->() if $done;
1990 })->prio (1); 2611 })->prio (1);
1991} 2612}
1992 2613
1993=item $player_object->enter_exit ($exit_object) 2614=item $player_object->enter_exit ($exit_object)
1994 2615
… …
2014} 2635}
2015 2636
2016sub prepare_random_map { 2637sub prepare_random_map {
2017 my ($exit) = @_; 2638 my ($exit) = @_;
2018 2639
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2640 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2641 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2642 # that depends on the exit object
2024 2643
2025 my $rmp = parse_random_map_params $exit->msg; 2644 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2646 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2647 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2648 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2649 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2650 $rmp->{origin_y} = $exit->y;
2651
2652 $exit->map->touch;
2032 } 2653 }
2033 2654
2034 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
2035 2656
2036 my $data = cf::to_json $rmp; 2657 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2659 my $meta = "$RANDOMDIR/$md5.meta";
2039 2660
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2663 undef $fh;
2043 aio_rename "$meta~", $meta; 2664 aio_rename "$meta~", $meta;
2044 2665
2666 my $slaying = "?random/$md5";
2667
2668 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2669 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2670 $exit->msg (undef);
2671 }
2047 } 2672 }
2048} 2673}
2049 2674
2050sub cf::object::player::enter_exit { 2675sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2676 my ($self, $exit) = @_;
2052 2677
2053 return unless $self->type == cf::PLAYER; 2678 return unless $self->type == cf::PLAYER;
2054 2679
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2680 $self->enter_link;
2067 2681
2068 (async { 2682 (async {
2069 $self->deactivate_recursive; # just to be sure 2683 $Coro::current->{desc} = "enter_exit";
2684
2070 unless (eval { 2685 unless (eval {
2686 $self->deactivate_recursive; # just to be sure
2687
2688 # random map handling
2689 {
2690 my $guard = cf::lock_acquire "exit_prepare:$exit";
2691
2692 prepare_random_map $exit
2693 if $exit->slaying eq "/!";
2694 }
2695
2696 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2697 my $x = $exit->stats->hp;
2698 my $y = $exit->stats->sp;
2699
2071 $self->goto ($slaying, $hp, $sp); 2700 $self->goto ($map, $x, $y);
2072 2701
2702 # if exit is damned, update players death & WoR home-position
2703 $self->contr->savebed ($map, $x, $y)
2704 if $exit->flag (cf::FLAG_DAMNED);
2705
2073 1; 2706 1
2074 }) { 2707 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2708 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "I'll try to bring you back to the map you were before. " 2709 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2710 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2711 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2712
2080 warn "ERROR in enter_exit: $@"; 2713 warn "ERROR in enter_exit: $@";
… …
2099 2732
2100 utf8::encode $text; 2733 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2734 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2735}
2103 2736
2737=item $client->send_msg ($channel, $msg, $color, [extra...])
2738
2739Send a drawinfo or msg packet to the client, formatting the msg for the
2740client if neccessary. C<$type> should be a string identifying the type of
2741the message, with C<log> being the default. If C<$color> is negative, suppress
2742the message unless the client supports the msg packet.
2743
2744=cut
2745
2746# non-persistent channels (usually the info channel)
2747our %CHANNEL = (
2748 "c/identify" => {
2749 id => "infobox",
2750 title => "Identify",
2751 reply => undef,
2752 tooltip => "Items recently identified",
2753 },
2754 "c/examine" => {
2755 id => "infobox",
2756 title => "Examine",
2757 reply => undef,
2758 tooltip => "Signs and other items you examined",
2759 },
2760 "c/book" => {
2761 id => "infobox",
2762 title => "Book",
2763 reply => undef,
2764 tooltip => "The contents of a note or book",
2765 },
2766 "c/lookat" => {
2767 id => "infobox",
2768 title => "Look",
2769 reply => undef,
2770 tooltip => "What you saw there",
2771 },
2772 "c/who" => {
2773 id => "infobox",
2774 title => "Players",
2775 reply => undef,
2776 tooltip => "Shows players who are currently online",
2777 },
2778 "c/body" => {
2779 id => "infobox",
2780 title => "Body Parts",
2781 reply => undef,
2782 tooltip => "Shows which body parts you posess and are available",
2783 },
2784 "c/statistics" => {
2785 id => "infobox",
2786 title => "Statistics",
2787 reply => undef,
2788 tooltip => "Shows your primary statistics",
2789 },
2790 "c/skills" => {
2791 id => "infobox",
2792 title => "Skills",
2793 reply => undef,
2794 tooltip => "Shows your experience per skill and item power",
2795 },
2796 "c/shopitems" => {
2797 id => "infobox",
2798 title => "Shop Items",
2799 reply => undef,
2800 tooltip => "Shows the items currently for sale in this shop",
2801 },
2802 "c/resistances" => {
2803 id => "infobox",
2804 title => "Resistances",
2805 reply => undef,
2806 tooltip => "Shows your resistances",
2807 },
2808 "c/pets" => {
2809 id => "infobox",
2810 title => "Pets",
2811 reply => undef,
2812 tooltip => "Shows information abotu your pets/a specific pet",
2813 },
2814 "c/perceiveself" => {
2815 id => "infobox",
2816 title => "Perceive Self",
2817 reply => undef,
2818 tooltip => "You gained detailed knowledge about yourself",
2819 },
2820 "c/uptime" => {
2821 id => "infobox",
2822 title => "Uptime",
2823 reply => undef,
2824 tooltip => "How long the server has been running since last restart",
2825 },
2826 "c/mapinfo" => {
2827 id => "infobox",
2828 title => "Map Info",
2829 reply => undef,
2830 tooltip => "Information related to the maps",
2831 },
2832 "c/party" => {
2833 id => "party",
2834 title => "Party",
2835 reply => "gsay ",
2836 tooltip => "Messages and chat related to your party",
2837 },
2838 "c/death" => {
2839 id => "death",
2840 title => "Death",
2841 reply => undef,
2842 tooltip => "Reason for and more info about your most recent death",
2843 },
2844 "c/say" => $SAY_CHANNEL,
2845 "c/chat" => $CHAT_CHANNEL,
2846);
2847
2848sub cf::client::send_msg {
2849 my ($self, $channel, $msg, $color, @extra) = @_;
2850
2851 $msg = $self->pl->expand_cfpod ($msg)
2852 unless $color & cf::NDI_VERBATIM;
2853
2854 $color &= cf::NDI_CLIENT_MASK; # just in case...
2855
2856 # check predefined channels, for the benefit of C
2857 if ($CHANNEL{$channel}) {
2858 $channel = $CHANNEL{$channel};
2859
2860 $self->ext_msg (channel_info => $channel);
2861 $channel = $channel->{id};
2862
2863 } elsif (ref $channel) {
2864 # send meta info to client, if not yet sent
2865 unless (exists $self->{channel}{$channel->{id}}) {
2866 $self->{channel}{$channel->{id}} = $channel;
2867 $self->ext_msg (channel_info => $channel);
2868 }
2869
2870 $channel = $channel->{id};
2871 }
2872
2873 return unless @extra || length $msg;
2874
2875 # default colour, mask it out
2876 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877 if $color & cf::NDI_DEF;
2878
2879 my $pkt = "msg "
2880 . $self->{json_coder}->encode (
2881 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2882 );
2883
2884 # try lzf for large packets
2885 $pkt = "lzf " . Compress::LZF::compress $pkt
2886 if 1024 <= length $pkt and $self->{can_lzf};
2887
2888 # split very large packets
2889 if (8192 < length $pkt and $self->{can_lzf}) {
2890 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2891 $pkt = "frag";
2892 }
2893
2894 $self->send_packet ($pkt);
2895}
2896
2104=item $client->ext_event ($type, %msg) 2897=item $client->ext_msg ($type, @msg)
2105 2898
2106Sends an exti event to the client. 2899Sends an ext event to the client.
2107 2900
2108=cut 2901=cut
2109 2902
2110sub cf::client::ext_event($$%) { 2903sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2904 my ($self, $type, @msg) = @_;
2112 2905
2906 if ($self->extcmd == 2) {
2907 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2908 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2909 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2910 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2911 }
2912}
2913
2914=item $client->ext_reply ($msgid, @msg)
2915
2916Sends an ext reply to the client.
2917
2918=cut
2919
2920sub cf::client::ext_reply($$@) {
2921 my ($self, $id, @msg) = @_;
2922
2923 if ($self->extcmd == 2) {
2924 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2925 } elsif ($self->extcmd == 1) {
2926 #TODO: version 1, remove
2927 unshift @msg, msgtype => "reply", msgid => $id;
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929 }
2115} 2930}
2116 2931
2117=item $success = $client->query ($flags, "text", \&cb) 2932=item $success = $client->query ($flags, "text", \&cb)
2118 2933
2119Queues a query to the client, calling the given callback with 2934Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2935the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2936C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2937
2123Queries can fail, so check the return code. Or don't, as queries will become 2938Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2939become reliable at some point in the future.
2125 2940
2126=cut 2941=cut
2127 2942
2128sub cf::client::query { 2943sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2944 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 2952 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2953 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2954
2140 $self->send_packet ($self->{query_queue}[0][0]) 2955 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2956 if @{ $self->{query_queue} } == 1;
2957
2958 1
2142} 2959}
2143 2960
2144cf::client->attach ( 2961cf::client->attach (
2962 on_connect => sub {
2963 my ($ns) = @_;
2964
2965 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2966 },
2145 on_reply => sub { 2967 on_reply => sub {
2146 my ($ns, $msg) = @_; 2968 my ($ns, $msg) = @_;
2147 2969
2148 # this weird shuffling is so that direct followup queries 2970 # this weird shuffling is so that direct followup queries
2149 # get handled first 2971 # get handled first
… …
2161 } else { 2983 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2984 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2985 }
2164 } 2986 }
2165 }, 2987 },
2988 on_exticmd => sub {
2989 my ($ns, $buf) = @_;
2990
2991 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2992
2993 if (ref $msg) {
2994 my ($type, $reply, @payload) =
2995 "ARRAY" eq ref $msg
2996 ? @$msg
2997 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2998
2999 my @reply;
3000
3001 if (my $cb = $EXTICMD{$type}) {
3002 @reply = $cb->($ns, @payload);
3003 }
3004
3005 $ns->ext_reply ($reply, @reply)
3006 if $reply;
3007
3008 } else {
3009 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3010 }
3011
3012 cf::override;
3013 },
2166); 3014);
2167 3015
2168=item $client->async (\&cb) 3016=item $client->async (\&cb)
2169 3017
2170Create a new coroutine, running the specified callback. The coroutine will 3018Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3059our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3060our $safe_hole = new Safe::Hole;
2213 3061
2214$SIG{FPE} = 'IGNORE'; 3062$SIG{FPE} = 'IGNORE';
2215 3063
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3064$safe->permit_only (Opcode::opset qw(
3065 :base_core :base_mem :base_orig :base_math
3066 grepstart grepwhile mapstart mapwhile
3067 sort time
3068));
2217 3069
2218# here we export the classes and methods available to script code 3070# here we export the classes and methods available to script code
2219 3071
2220=pod 3072=pod
2221 3073
2222The following functions and methods are available within a safe environment: 3074The following functions and methods are available within a safe environment:
2223 3075
2224 cf::object contr pay_amount pay_player map 3076 cf::object
3077 contr pay_amount pay_player map x y force_find force_add destroy
3078 insert remove name archname title slaying race decrease split
3079 value
3080
2225 cf::object::player player 3081 cf::object::player
2226 cf::player peaceful 3082 player
2227 cf::map trigger 3083
3084 cf::player
3085 peaceful
3086
3087 cf::map
3088 trigger
2228 3089
2229=cut 3090=cut
2230 3091
2231for ( 3092for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3093 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3094 insert remove inv nrof name archname title slaying race
3095 decrease split destroy change_exp value msg lore send_msg)],
2233 ["cf::object::player" => qw(player)], 3096 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3097 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3098 ["cf::map" => qw(trigger)],
2236) { 3099) {
2237 no strict 'refs'; 3100 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3101 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3102 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2256 my ($code, %vars) = @_; 3119 my ($code, %vars) = @_;
2257 3120
2258 my $qcode = $code; 3121 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3122 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3123 $qcode =~ s/\n/\\n/g;
3124
3125 %vars = (_dummy => 0) unless %vars;
2261 3126
2262 local $_; 3127 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars; 3128 local @safe::cf::_safe_eval_args = values %vars;
2264 3129
2265 my $eval = 3130 my $eval =
… …
2308=back 3173=back
2309 3174
2310=cut 3175=cut
2311 3176
2312############################################################################# 3177#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3178# the server's init and main functions
2486 3179
2487sub load_facedata($) { 3180sub load_facedata($) {
2488 my ($path) = @_; 3181 my ($path) = @_;
3182
3183 # HACK to clear player env face cache, we need some signal framework
3184 # for this (global event?)
3185 %ext::player_env::MUSIC_FACE_CACHE = ();
3186
3187 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3188
2490 warn "loading facedata from $path\n"; 3189 warn "loading facedata from $path\n";
2491 3190
2492 my $facedata; 3191 my $facedata;
2493 0 < aio_load $path, $facedata 3192 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3195 $facedata = Coro::Storable::thaw $facedata;
2497 3196
2498 $facedata->{version} == 2 3197 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3198 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3199
3200 # patch in the exptable
3201 $facedata->{resource}{"res/exp_table"} = {
3202 type => FT_RSRC,
3203 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3204 };
3205 cf::cede_to_tick;
3206
2501 { 3207 {
2502 my $faces = $facedata->{faceinfo}; 3208 my $faces = $facedata->{faceinfo};
2503 3209
2504 while (my ($face, $info) = each %$faces) { 3210 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3211 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d# 3212
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3213 cf::face::set_visibility $idx, $info->{visibility};
3214 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3215 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3216 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510 Coro::cede; 3217
3218 cf::cede_to_tick;
2511 } 3219 }
2512 3220
2513 while (my ($face, $info) = each %$faces) { 3221 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3222 next unless $info->{smooth};
3223
2515 my $idx = cf::face::find $face 3224 my $idx = cf::face::find $face
2516 or next; 3225 or next;
3226
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3227 if (my $smooth = cf::face::find $info->{smooth}) {
3228 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3229 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3230 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3231 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3232 }
2522 Coro::cede; 3233
3234 cf::cede_to_tick;
2523 } 3235 }
2524 } 3236 }
2525 3237
2526 { 3238 {
2527 my $anims = $facedata->{animinfo}; 3239 my $anims = $facedata->{animinfo};
2528 3240
2529 while (my ($anim, $info) = each %$anims) { 3241 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3242 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3243 cf::cede_to_tick;
2532 } 3244 }
2533 3245
2534 cf::anim::invalidate_all; # d'oh 3246 cf::anim::invalidate_all; # d'oh
2535 } 3247 }
2536 3248
3249 {
3250 # TODO: for gcfclient pleasure, we should give resources
3251 # that gcfclient doesn't grok a >10000 face index.
3252 my $res = $facedata->{resource};
3253
3254 while (my ($name, $info) = each %$res) {
3255 if (defined $info->{type}) {
3256 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3257 my $data;
3258
3259 if ($info->{type} & 1) {
3260 # prepend meta info
3261
3262 my $meta = $enc->encode ({
3263 name => $name,
3264 %{ $info->{meta} || {} },
3265 });
3266
3267 $data = pack "(w/a*)*", $meta, $info->{data};
3268 } else {
3269 $data = $info->{data};
3270 }
3271
3272 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3273 cf::face::set_type $idx, $info->{type};
3274 } else {
3275 $RESOURCE{$name} = $info;
3276 }
3277
3278 cf::cede_to_tick;
3279 }
3280 }
3281
3282 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3283
2537 1 3284 1
2538} 3285}
2539 3286
3287cf::global->attach (on_resource_update => sub {
3288 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3289 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3290
3291 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3292 my $sound = $soundconf->{compat}[$_]
3293 or next;
3294
3295 my $face = cf::face::find "sound/$sound->[1]";
3296 cf::sound::set $sound->[0] => $face;
3297 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3298 }
3299
3300 while (my ($k, $v) = each %{$soundconf->{event}}) {
3301 my $face = cf::face::find "sound/$v";
3302 cf::sound::set $k => $face;
3303 }
3304 }
3305});
3306
3307register_exticmd fx_want => sub {
3308 my ($ns, $want) = @_;
3309
3310 while (my ($k, $v) = each %$want) {
3311 $ns->fx_want ($k, $v);
3312 }
3313};
3314
3315sub load_resource_file($) {
3316 my $guard = lock_acquire "load_resource_file";
3317
3318 my $status = load_resource_file_ $_[0];
3319 get_slot 0.1, 100;
3320 cf::arch::commit_load;
3321
3322 $status
3323}
3324
2540sub reload_regions { 3325sub reload_regions {
3326 # HACK to clear player env face cache, we need some signal framework
3327 # for this (global event?)
3328 %ext::player_env::MUSIC_FACE_CACHE = ();
3329
2541 load_resource_file "$MAPDIR/regions" 3330 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3331 or die "unable to load regions file\n";
3332
3333 for (cf::region::list) {
3334 $_->{match} = qr/$_->{match}/
3335 if exists $_->{match};
3336 }
2543} 3337}
2544 3338
2545sub reload_facedata { 3339sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3340 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3341 or die "unable to load facedata\n";
… …
2558} 3352}
2559 3353
2560sub reload_resources { 3354sub reload_resources {
2561 warn "reloading resource files...\n"; 3355 warn "reloading resource files...\n";
2562 3356
2563 reload_regions;
2564 reload_facedata; 3357 reload_facedata;
2565 reload_archetypes; 3358 reload_archetypes;
3359 reload_regions;
2566 reload_treasures; 3360 reload_treasures;
2567 3361
2568 warn "finished reloading resource files\n"; 3362 warn "finished reloading resource files\n";
2569} 3363}
2570 3364
2571sub init { 3365sub reload_config {
2572 reload_resources;
2573}
2574
2575sub cfg_load {
2576 open my $fh, "<:utf8", "$CONFDIR/config" 3366 open my $fh, "<:utf8", "$CONFDIR/config"
2577 or return; 3367 or return;
2578 3368
2579 local $/; 3369 local $/;
2580 *CFG = YAML::Syck::Load <$fh>; 3370 *CFG = YAML::Load <$fh>;
2581 3371
2582 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3372 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583 3373
2584 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3374 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3375 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2591 }; 3381 };
2592 warn $@ if $@; 3382 warn $@ if $@;
2593 } 3383 }
2594} 3384}
2595 3385
3386sub pidfile() {
3387 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3388 or die "$PIDFILE: $!";
3389 flock $fh, &Fcntl::LOCK_EX
3390 or die "$PIDFILE: flock: $!";
3391 $fh
3392}
3393
3394# make sure only one server instance is running at any one time
3395sub atomic {
3396 my $fh = pidfile;
3397
3398 my $pid = <$fh>;
3399 kill 9, $pid if $pid > 0;
3400
3401 seek $fh, 0, 0;
3402 print $fh $$;
3403}
3404
2596sub main { 3405sub main {
3406 cf::init_globals; # initialise logging
3407
3408 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3410 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3411 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3412
3413 cf::init_experience;
3414 cf::init_anim;
3415 cf::init_attackmess;
3416 cf::init_dynamic;
3417
3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419
2597 # we must not ever block the main coroutine 3420 # we must not ever block the main coroutine
2598 local $Coro::idle = sub { 3421 local $Coro::idle = sub {
2599 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3422 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600 (async { 3423 (async {
2601 Event::one_event; 3424 $Coro::current->{desc} = "IDLE BUG HANDLER";
3425 EV::loop EV::LOOP_ONESHOT;
2602 })->prio (Coro::PRIO_MAX); 3426 })->prio (Coro::PRIO_MAX);
2603 }; 3427 };
2604 3428
2605 cfg_load; 3429 evthread_start IO::AIO::poll_fileno;
3430
3431 cf::sync_job {
3432 reload_resources;
3433 reload_config;
2606 db_init; 3434 db_init;
3435
3436 cf::load_settings;
3437 cf::load_materials;
3438 cf::init_uuid;
3439 cf::init_signals;
3440 cf::init_commands;
3441 cf::init_skills;
3442
3443 cf::init_beforeplay;
3444
3445 atomic;
3446
2607 load_extensions; 3447 load_extensions;
2608 3448
2609 $TICK_WATCHER->start; 3449 utime time, time, $RUNTIMEFILE;
3450
3451 # no (long-running) fork's whatsoever before this point(!)
3452 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3453
3454 (pop @POST_INIT)->(0) while @POST_INIT;
3455 };
3456
2610 Event::loop; 3457 EV::loop;
2611} 3458}
2612 3459
2613############################################################################# 3460#############################################################################
2614# initialisation and cleanup 3461# initialisation and cleanup
2615 3462
2616# install some emergency cleanup handlers 3463# install some emergency cleanup handlers
2617BEGIN { 3464BEGIN {
3465 our %SIGWATCHER = ();
2618 for my $signal (qw(INT HUP TERM)) { 3466 for my $signal (qw(INT HUP TERM)) {
2619 Event->signal ( 3467 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 signal => $signal,
2623 prio => 0,
2624 cb => sub {
2625 cf::cleanup "SIG$signal"; 3468 cf::cleanup "SIG$signal";
2626 },
2627 ); 3469 };
3470 }
3471}
3472
3473sub write_runtime_sync {
3474 # first touch the runtime file to show we are still running:
3475 # the fsync below can take a very very long time.
3476
3477 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3478
3479 my $guard = cf::lock_acquire "write_runtime";
3480
3481 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3482 or return;
3483
3484 my $value = $cf::RUNTIME + 90 + 10;
3485 # 10 is the runtime save interval, for a monotonic clock
3486 # 60 allows for the watchdog to kill the server.
3487
3488 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3489 and return;
3490
3491 # always fsync - this file is important
3492 aio_fsync $fh
3493 and return;
3494
3495 # touch it again to show we are up-to-date
3496 aio_utime $fh, undef, undef;
3497
3498 close $fh
3499 or return;
3500
3501 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3502 and return;
3503
3504 warn "runtime file written.\n";
3505
2628 } 3506 1
3507}
3508
3509our $uuid_lock;
3510our $uuid_skip;
3511
3512sub write_uuid_sync($) {
3513 $uuid_skip ||= $_[0];
3514
3515 return if $uuid_lock;
3516 local $uuid_lock = 1;
3517
3518 my $uuid = "$LOCALDIR/uuid";
3519
3520 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3521 or return;
3522
3523 my $value = uuid_seq uuid_cur;
3524
3525 unless ($value) {
3526 warn "cowardly refusing to write zero uuid value!\n";
3527 return;
3528 }
3529
3530 my $value = uuid_str $value + $uuid_skip;
3531 $uuid_skip = 0;
3532
3533 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3534 and return;
3535
3536 # always fsync - this file is important
3537 aio_fsync $fh
3538 and return;
3539
3540 close $fh
3541 or return;
3542
3543 aio_rename "$uuid~", $uuid
3544 and return;
3545
3546 warn "uuid file written ($value).\n";
3547
3548 1
3549
3550}
3551
3552sub write_uuid($$) {
3553 my ($skip, $sync) = @_;
3554
3555 $sync ? write_uuid_sync $skip
3556 : async { write_uuid_sync $skip };
2629} 3557}
2630 3558
2631sub emergency_save() { 3559sub emergency_save() {
2632 my $freeze_guard = cf::freeze_mainloop; 3560 my $freeze_guard = cf::freeze_mainloop;
2633 3561
2634 warn "enter emergency perl save\n"; 3562 warn "emergency_perl_save: enter\n";
2635 3563
2636 cf::sync_job { 3564 cf::sync_job {
3565 # this is a trade-off: we want to be very quick here, so
3566 # save all maps without fsync, and later call a global sync
3567 # (which in turn might be very very slow)
3568 local $USE_FSYNC = 0;
3569
2637 # use a peculiar iteration method to avoid tripping on perl 3570 # use a peculiar iteration method to avoid tripping on perl
2638 # refcount bugs in for. also avoids problems with players 3571 # refcount bugs in for. also avoids problems with players
2639 # and maps saved/destroyed asynchronously. 3572 # and maps saved/destroyed asynchronously.
2640 warn "begin emergency player save\n"; 3573 warn "emergency_perl_save: begin player save\n";
2641 for my $login (keys %cf::PLAYER) { 3574 for my $login (keys %cf::PLAYER) {
2642 my $pl = $cf::PLAYER{$login} or next; 3575 my $pl = $cf::PLAYER{$login} or next;
2643 $pl->valid or next; 3576 $pl->valid or next;
3577 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644 $pl->save; 3578 $pl->save;
2645 } 3579 }
2646 warn "end emergency player save\n"; 3580 warn "emergency_perl_save: end player save\n";
2647 3581
2648 warn "begin emergency map save\n"; 3582 warn "emergency_perl_save: begin map save\n";
2649 for my $path (keys %cf::MAP) { 3583 for my $path (keys %cf::MAP) {
2650 my $map = $cf::MAP{$path} or next; 3584 my $map = $cf::MAP{$path} or next;
2651 $map->valid or next; 3585 $map->valid or next;
2652 $map->save; 3586 $map->save;
2653 } 3587 }
2654 warn "end emergency map save\n"; 3588 warn "emergency_perl_save: end map save\n";
2655 3589
2656 warn "begin emergency database checkpoint\n"; 3590 warn "emergency_perl_save: begin database checkpoint\n";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3591 BDB::db_env_txn_checkpoint $DB_ENV;
2658 warn "end emergency database checkpoint\n"; 3592 warn "emergency_perl_save: end database checkpoint\n";
3593
3594 warn "emergency_perl_save: begin write uuid\n";
3595 write_uuid_sync 1;
3596 warn "emergency_perl_save: end write uuid\n";
2659 }; 3597 };
2660 3598
3599 warn "emergency_perl_save: starting sync()\n";
3600 IO::AIO::aio_sync sub {
3601 warn "emergency_perl_save: finished sync()\n";
3602 };
3603
2661 warn "leave emergency perl save\n"; 3604 warn "emergency_perl_save: leave\n";
2662} 3605}
2663 3606
2664sub post_cleanup { 3607sub post_cleanup {
2665 my ($make_core) = @_; 3608 my ($make_core) = @_;
2666 3609
2667 warn Carp::longmess "post_cleanup backtrace" 3610 warn Carp::longmess "post_cleanup backtrace"
2668 if $make_core; 3611 if $make_core;
3612
3613 my $fh = pidfile;
3614 unlink $PIDFILE if <$fh> == $$;
3615}
3616
3617# a safer delete_package, copied from Symbol
3618sub clear_package($) {
3619 my $pkg = shift;
3620
3621 # expand to full symbol table name if needed
3622 unless ($pkg =~ /^main::.*::$/) {
3623 $pkg = "main$pkg" if $pkg =~ /^::/;
3624 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3625 $pkg .= '::' unless $pkg =~ /::$/;
3626 }
3627
3628 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3629 my $stem_symtab = *{$stem}{HASH};
3630
3631 defined $stem_symtab and exists $stem_symtab->{$leaf}
3632 or return;
3633
3634 # clear all symbols
3635 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3636 for my $name (keys %$leaf_symtab) {
3637 _gv_clear *{"$pkg$name"};
3638# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3639 }
3640 warn "cleared package $pkg\n";#d#
2669} 3641}
2670 3642
2671sub do_reload_perl() { 3643sub do_reload_perl() {
2672 # can/must only be called in main 3644 # can/must only be called in main
2673 if ($Coro::current != $Coro::main) { 3645 if ($Coro::current != $Coro::main) {
2674 warn "can only reload from main coroutine"; 3646 warn "can only reload from main coroutine";
2675 return; 3647 return;
2676 } 3648 }
2677 3649
3650 return if $RELOAD++;
3651
3652 my $t1 = EV::time;
3653
3654 while ($RELOAD) {
2678 warn "reloading..."; 3655 warn "reloading...";
2679 3656
2680 warn "entering sync_job"; 3657 warn "entering sync_job";
2681 3658
2682 cf::sync_job { 3659 cf::sync_job {
2683 cf::write_runtime; # external watchdog should not bark 3660 cf::write_runtime_sync; # external watchdog should not bark
2684 cf::emergency_save; 3661 cf::emergency_save;
2685 cf::write_runtime; # external watchdog should not bark 3662 cf::write_runtime_sync; # external watchdog should not bark
2686 3663
2687 warn "syncing database to disk"; 3664 warn "syncing database to disk";
2688 BDB::db_env_txn_checkpoint $DB_ENV; 3665 BDB::db_env_txn_checkpoint $DB_ENV;
2689 3666
2690 # if anything goes wrong in here, we should simply crash as we already saved 3667 # if anything goes wrong in here, we should simply crash as we already saved
2691 3668
2692 warn "cancelling all WF_AUTOCANCEL watchers";
2693 for (Event::all_watchers) {
2694 $_->cancel if $_->data & WF_AUTOCANCEL;
2695 }
2696
2697 warn "flushing outstanding aio requests"; 3669 warn "flushing outstanding aio requests";
2698 for (;;) {
2699 BDB::flush;
2700 IO::AIO::flush;
2701 Coro::cede;
2702 last unless IO::AIO::nreqs || BDB::nreqs; 3670 while (IO::AIO::nreqs || BDB::nreqs) {
2703 warn "iterate..."; 3671 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704 }
2705
2706 ++$RELOAD;
2707
2708 warn "cancelling all extension coros";
2709 $_->cancel for values %EXT_CORO;
2710 %EXT_CORO = ();
2711
2712 warn "removing commands";
2713 %COMMAND = ();
2714
2715 warn "removing ext commands";
2716 %EXTCMD = ();
2717
2718 warn "unloading/nuking all extensions";
2719 for my $pkg (@EXTS) {
2720 warn "... unloading $pkg";
2721
2722 if (my $cb = $pkg->can ("unload")) {
2723 eval {
2724 $cb->($pkg);
2725 1
2726 } or warn "$pkg unloaded, but with errors: $@";
2727 } 3672 }
2728 3673
2729 warn "... nuking $pkg"; 3674 warn "cancelling all extension coros";
2730 Symbol::delete_package $pkg; 3675 $_->cancel for values %EXT_CORO;
2731 } 3676 %EXT_CORO = ();
2732 3677
2733 warn "unloading all perl modules loaded from $LIBDIR"; 3678 warn "removing commands";
2734 while (my ($k, $v) = each %INC) { 3679 %COMMAND = ();
2735 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736 3680
3681 warn "removing ext/exti commands";
3682 %EXTCMD = ();
3683 %EXTICMD = ();
3684
3685 warn "unloading/nuking all extensions";
3686 for my $pkg (@EXTS) {
2737 warn "... unloading $k"; 3687 warn "... unloading $pkg";
2738 delete $INC{$k};
2739 3688
2740 $k =~ s/\.pm$//;
2741 $k =~ s/\//::/g;
2742
2743 if (my $cb = $k->can ("unload_module")) { 3689 if (my $cb = $pkg->can ("unload")) {
3690 eval {
2744 $cb->(); 3691 $cb->($pkg);
3692 1
3693 } or warn "$pkg unloaded, but with errors: $@";
3694 }
3695
3696 warn "... clearing $pkg";
3697 clear_package $pkg;
2745 } 3698 }
2746 3699
2747 Symbol::delete_package $k; 3700 warn "unloading all perl modules loaded from $LIBDIR";
3701 while (my ($k, $v) = each %INC) {
3702 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3703
3704 warn "... unloading $k";
3705 delete $INC{$k};
3706
3707 $k =~ s/\.pm$//;
3708 $k =~ s/\//::/g;
3709
3710 if (my $cb = $k->can ("unload_module")) {
3711 $cb->();
3712 }
3713
3714 clear_package $k;
2748 } 3715 }
2749 3716
2750 warn "getting rid of safe::, as good as possible"; 3717 warn "getting rid of safe::, as good as possible";
2751 Symbol::delete_package "safe::$_" 3718 clear_package "safe::$_"
2752 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3719 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753 3720
2754 warn "unloading cf.pm \"a bit\""; 3721 warn "unloading cf.pm \"a bit\"";
2755 delete $INC{"cf.pm"}; 3722 delete $INC{"cf.pm"};
2756 delete $INC{"cf/pod.pm"}; 3723 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757 3724
2758 # don't, removes xs symbols, too, 3725 # don't, removes xs symbols, too,
2759 # and global variables created in xs 3726 # and global variables created in xs
2760 #Symbol::delete_package __PACKAGE__; 3727 #clear_package __PACKAGE__;
2761 3728
2762 warn "unload completed, starting to reload now"; 3729 warn "unload completed, starting to reload now";
2763 3730
2764 warn "reloading cf.pm"; 3731 warn "reloading cf.pm";
2765 require cf; 3732 require cf;
2766 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3733 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767 3734
2768 warn "loading config and database again"; 3735 warn "loading config and database again";
2769 cf::cfg_load; 3736 cf::reload_config;
2770 3737
2771 warn "loading extensions"; 3738 warn "loading extensions";
2772 cf::load_extensions; 3739 cf::load_extensions;
2773 3740
3741 if ($REATTACH_ON_RELOAD) {
2774 warn "reattaching attachments to objects/players"; 3742 warn "reattaching attachments to objects/players";
2775 _global_reattach; # objects, sockets 3743 _global_reattach; # objects, sockets
2776 warn "reattaching attachments to maps"; 3744 warn "reattaching attachments to maps";
2777 reattach $_ for values %MAP; 3745 reattach $_ for values %MAP;
2778 warn "reattaching attachments to players"; 3746 warn "reattaching attachments to players";
2779 reattach $_ for values %PLAYER; 3747 reattach $_ for values %PLAYER;
3748 }
2780 3749
3750 warn "running post_init jobs";
3751 (pop @POST_INIT)->(1) while @POST_INIT;
3752
2781 warn "leaving sync_job"; 3753 warn "leaving sync_job";
2782 3754
2783 1 3755 1
2784 } or do { 3756 } or do {
2785 warn $@; 3757 warn $@;
2786 warn "error while reloading, exiting."; 3758 cf::cleanup "error while reloading, exiting.";
2787 exit 1;
2788 }; 3759 };
2789 3760
2790 warn "reloaded"; 3761 warn "reloaded";
3762 --$RELOAD;
3763 }
3764
3765 $t1 = EV::time - $t1;
3766 warn "reload completed in ${t1}s\n";
2791}; 3767};
2792 3768
2793our $RELOAD_WATCHER; # used only during reload 3769our $RELOAD_WATCHER; # used only during reload
2794 3770
2795sub reload_perl() { 3771sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back, 3772 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here. 3773 # coro crashes during coro_state_free->destroy here.
2798 3774
2799 $RELOAD_WATCHER ||= Event->timer ( 3775 $RELOAD_WATCHER ||= cf::async {
2800 reentrant => 0, 3776 Coro::AIO::aio_wait cache_extensions;
2801 after => 0, 3777
2802 data => WF_AUTOCANCEL, 3778 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803 cb => sub {
2804 do_reload_perl; 3779 do_reload_perl;
2805 undef $RELOAD_WATCHER; 3780 undef $RELOAD_WATCHER;
2806 }, 3781 };
2807 ); 3782 };
2808} 3783}
2809 3784
2810register_command "reload" => sub { 3785register_command "reload" => sub {
2811 my ($who, $arg) = @_; 3786 my ($who, $arg) = @_;
2812 3787
2813 if ($who->flag (FLAG_WIZ)) { 3788 if ($who->flag (FLAG_WIZ)) {
2814 $who->message ("reloading server."); 3789 $who->message ("reloading server.");
3790 async {
3791 $Coro::current->{desc} = "perl_reload";
2815 async { reload_perl }; 3792 reload_perl;
3793 };
2816 } 3794 }
2817}; 3795};
2818 3796
2819unshift @INC, $LIBDIR; 3797unshift @INC, $LIBDIR;
2820 3798
… …
2822 3800
2823our @WAIT_FOR_TICK; 3801our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN; 3802our @WAIT_FOR_TICK_BEGIN;
2825 3803
2826sub wait_for_tick { 3804sub wait_for_tick {
2827 return unless $TICK_WATCHER->is_active;
2828 return if $Coro::current == $Coro::main; 3805 return if tick_inhibit || $Coro::current == $Coro::main;
2829 3806
2830 my $signal = new Coro::Signal; 3807 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal; 3808 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait; 3809 $signal->wait;
2833} 3810}
2834 3811
2835sub wait_for_tick_begin { 3812sub wait_for_tick_begin {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3813 return if tick_inhibit || $Coro::current == $Coro::main;
2838 3814
2839 my $signal = new Coro::Signal; 3815 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal; 3816 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait; 3817 $signal->wait;
2842} 3818}
2843 3819
2844 my $min = 1e6;#d# 3820sub tick {
2845 my $avg = 10;
2846$TICK_WATCHER = Event->timer (
2847 reentrant => 0,
2848 parked => 1,
2849 prio => 0,
2850 at => $NEXT_TICK || $TICK,
2851 data => WF_AUTOCANCEL,
2852 cb => sub {
2853 if ($Coro::current != $Coro::main) { 3821 if ($Coro::current != $Coro::main) {
2854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855 unless ++$bug_warning > 10; 3823 unless ++$bug_warning > 10;
2856 return; 3824 return;
2857 } 3825 }
2858 3826
2859 $NOW = $tick_start = Event::time;
2860
2861 cf::server_tick; # one server iteration 3827 cf::server_tick; # one server iteration
2862 3828
2863 0 && sync_job {#d# 3829 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864 for(1..10) { 3830 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865 my $t = Event::time; 3831 Coro::async_pool {
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3832 $Coro::current->{desc} = "runtime saver";
2867 or die; 3833 write_runtime_sync
2868 3834 or warn "ERROR: unable to write runtime file: $!";
2869 $map->width (50);
2870 $map->height (50);
2871 $map->alloc;
2872 $map->_load_objects ("/tmp/x.map", 1);
2873 my $t = Event::time - $t;
2874
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 }; 3835 };
3836 }
2885 3837
2886 $RUNTIME += $TICK;
2887 $NEXT_TICK += $TICK;
2888
2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2891 Coro::async_pool {
2892 write_runtime
2893 or warn "ERROR: unable to write runtime file: $!";
2894 };
2895 }
2896
2897# my $AFTER = Event::time;
2898# warn $AFTER - $NOW;#d#
2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3838 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send; 3839 $sig->send;
2902 } 3840 }
2903 while (my $sig = shift @WAIT_FOR_TICK) { 3841 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send; 3842 $sig->send;
2905 } 3843 }
2906 3844
2907 $NOW = Event::time; 3845 $LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909 # if we are delayed by four ticks or more, skip them all
2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912 $TICK_WATCHER->at ($NEXT_TICK);
2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3846 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917 3847
2918 _post_tick; 3848 if (0) {
2919 3849 if ($NEXT_TICK) {
2920 3850 my $jitter = $TICK_START - $NEXT_TICK;
3851 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3852 warn "jitter $JITTER\n";#d#
3853 }
2921 }, 3854 }
2922); 3855}
2923 3856
2924{ 3857{
2925 BDB::max_poll_time $TICK * 0.1; 3858 # configure BDB
2926 $BDB_POLL_WATCHER = Event->io ( 3859
2927 reentrant => 0,
2928 fd => BDB::poll_fileno,
2929 poll => 'r',
2930 prio => 0,
2931 data => WF_AUTOCANCEL,
2932 cb => \&BDB::poll_cb,
2933 );
2934 BDB::min_parallel 8; 3860 BDB::min_parallel 8;
2935 3861 BDB::max_poll_reqs $TICK * 0.1;
2936 BDB::set_sync_prepare { 3862 $AnyEvent::BDB::WATCHER->priority (1);
2937 my $status;
2938 my $current = $Coro::current;
2939 (
2940 sub {
2941 $status = $!;
2942 $current->ready; undef $current;
2943 },
2944 sub {
2945 Coro::schedule while defined $current;
2946 $! = $status;
2947 },
2948 )
2949 };
2950 3863
2951 unless ($DB_ENV) { 3864 unless ($DB_ENV) {
2952 $DB_ENV = BDB::db_env_create; 3865 $DB_ENV = BDB::db_env_create;
3866 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3867 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3868 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3869 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3870 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953 3871
2954 cf::sync_job { 3872 cf::sync_job {
2955 eval { 3873 eval {
2956 BDB::db_env_open 3874 BDB::db_env_open
2957 $DB_ENV, 3875 $DB_ENV,
… …
2959 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3877 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3878 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961 0666; 3879 0666;
2962 3880
2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3881 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966 $DB_ENV->set_lk_detect;
2967 }; 3882 };
2968 3883
2969 cf::cleanup "db_env_open(db): $@" if $@; 3884 cf::cleanup "db_env_open(db): $@" if $@;
2970 }; 3885 };
2971 } 3886 }
3887
3888 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3889 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3890 };
3891 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3892 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3893 };
3894 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3895 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3896 };
2972} 3897}
2973 3898
2974{ 3899{
3900 # configure IO::AIO
3901
2975 IO::AIO::min_parallel 8; 3902 IO::AIO::min_parallel 8;
2976
2977 undef $Coro::AIO::WATCHER;
2978 IO::AIO::max_poll_time $TICK * 0.1; 3903 IO::AIO::max_poll_time $TICK * 0.1;
2979 $AIO_POLL_WATCHER = Event->io ( 3904 undef $AnyEvent::AIO::WATCHER;
2980 reentrant => 0,
2981 data => WF_AUTOCANCEL,
2982 fd => IO::AIO::poll_fileno,
2983 poll => 'r',
2984 prio => 6,
2985 cb => \&IO::AIO::poll_cb,
2986 );
2987} 3905}
2988 3906
2989my $_log_backtrace; 3907my $_log_backtrace;
2990 3908
2991sub _log_backtrace { 3909sub _log_backtrace {
… …
2994 $msg =~ s/\n//; 3912 $msg =~ s/\n//;
2995 3913
2996 # limit the # of concurrent backtraces 3914 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) { 3915 if ($_log_backtrace < 2) {
2998 ++$_log_backtrace; 3916 ++$_log_backtrace;
3917 my $perl_bt = Carp::longmess $msg;
2999 async { 3918 async {
3919 $Coro::current->{desc} = "abt $msg";
3920
3000 my @bt = fork_call { 3921 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr; 3922 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3923 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3924 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004 or die "addr2line: $!"; 3925 or die "addr2line: $!";
… …
3012 } 3933 }
3013 3934
3014 @funcs 3935 @funcs
3015 }; 3936 };
3016 3937
3017 LOG llevInfo, "[ABT] $msg\n"; 3938 LOG llevInfo, "[ABT] $perl_bt\n";
3939 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018 LOG llevInfo, "[ABT] $_\n" for @bt; 3940 LOG llevInfo, "[ABT] $_\n" for @bt;
3019 --$_log_backtrace; 3941 --$_log_backtrace;
3020 }; 3942 };
3021 } else { 3943 } else {
3022 LOG llevInfo, "[ABT] $msg\n"; 3944 LOG llevInfo, "[ABT] $msg\n";
3023 LOG llevInfo, "[ABT] [suppressed]\n"; 3945 LOG llevInfo, "[ABT] [suppressed]\n";
3024 } 3946 }
3025} 3947}
3026 3948
3027# load additional modules 3949# load additional modules
3028use cf::pod; 3950require "cf/$_.pm" for @EXTRA_MODULES;
3029 3951
3030END { cf::emergency_save } 3952END { cf::emergency_save }
3031 3953
30321 39541
3033 3955

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