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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 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 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1157 aio_close $fh;
829 1158
830 if (@$objs) { 1159 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1160 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1161 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1162 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1163 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1164 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1165 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1166 aio_rename "$filename.pst~", "$filename.pst";
838 } 1167 }
839 } else { 1168 } else {
840 aio_unlink "$filename.pst"; 1169 aio_unlink "$filename.pst";
841 } 1170 }
842 1171
843 aio_rename "$filename~", $filename; 1172 aio_rename "$filename~", $filename;
1173
1174 $filename =~ s%/[^/]+$%%;
1175 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1176 } else {
845 warn "FATAL: $filename~: $!\n"; 1177 warn "unable to save objects: $filename~: $!\n";
846 } 1178 }
847 } else { 1179 } else {
848 aio_unlink $filename; 1180 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
850 } 1182 }
851 } 1183 };
852} 1184}
853 1185
854sub object_freezer_as_string { 1186sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1187 my ($rdata, $objs) = @_;
856 1188
868 or return; 1200 or return;
869 1201
870 unless (aio_stat "$filename.pst") { 1202 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1203 (aio_load "$filename.pst", $av) >= 0
872 or return; 1204 or return;
1205
873 $av = eval { (Storable::thaw $av)->{objs} }; 1206 my $st = eval { Coro::Storable::thaw $av };
1207 $av = $st->{objs};
874 } 1208 }
875 1209
1210 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1211 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1212 $decname, length $data, scalar @{$av || []};
1213
878 return ($data, $av); 1214 ($data, $av)
879} 1215}
1216
1217=head2 COMMAND CALLBACKS
1218
1219=over 4
1220
1221=cut
880 1222
881############################################################################# 1223#############################################################################
882# command handling &c 1224# command handling &c
883 1225
884=item cf::register_command $name => \&callback($ob,$args); 1226=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1239 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1240}
899 1241
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1242=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1243
902Register a callbackf ro execution when the client sends an extcmd packet. 1244Register a callback for execution when the client sends an (synchronous)
1245extcmd packet. Ext commands will be processed in the order they are
1246received by the server, like other user commands. The first argument is
1247the logged-in player. Ext commands can only be processed after a player
1248has logged in successfully.
903 1249
904If the callback returns something, it is sent back as if reply was being 1250If the callback returns something, it is sent back as if reply was being
905called. 1251called.
906 1252
1253=item cf::register_exticmd $name => \&callback($ns,$packet);
1254
1255Register a callback for execution when the client sends an (asynchronous)
1256exticmd packet. Exti commands are processed by the server as soon as they
1257are received, i.e. out of order w.r.t. other commands. The first argument
1258is a client socket. Exti commands can be received anytime, even before
1259log-in.
1260
1261If the callback returns something, it is sent back as if reply was being
1262called.
1263
907=cut 1264=cut
908 1265
909sub register_extcmd { 1266sub register_extcmd {
910 my ($name, $cb) = @_; 1267 my ($name, $cb) = @_;
911 1268
912 $EXTCMD{$name} = $cb; 1269 $EXTCMD{$name} = $cb;
913} 1270}
1271
1272sub register_exticmd {
1273 my ($name, $cb) = @_;
1274
1275 $EXTICMD{$name} = $cb;
1276}
1277
1278use File::Glob ();
914 1279
915cf::player->attach ( 1280cf::player->attach (
916 on_command => sub { 1281 on_command => sub {
917 my ($pl, $name, $params) = @_; 1282 my ($pl, $name, $params) = @_;
918 1283
926 cf::override; 1291 cf::override;
927 }, 1292 },
928 on_extcmd => sub { 1293 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1294 my ($pl, $buf) = @_;
930 1295
931 my $msg = eval { from_json $buf }; 1296 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1297
933 if (ref $msg) { 1298 if (ref $msg) {
1299 my ($type, $reply, @payload) =
1300 "ARRAY" eq ref $msg
1301 ? @$msg
1302 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1303
1304 my @reply;
1305
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1306 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1307 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1308 }
1309
1310 $pl->ext_reply ($reply, @reply)
1311 if $reply;
1312
939 } else { 1313 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1314 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1315 }
942 1316
943 cf::override; 1317 cf::override;
944 }, 1318 },
945); 1319);
946 1320
1321# "readahead" all extensions
947sub load_extension { 1322sub cache_extensions {
948 my ($path) = @_; 1323 my $grp = IO::AIO::aio_group;
949 1324
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1325 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951 my $base = $1; 1326 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1327 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 } 1328 }
975 die $@;
976 } 1329 };
977 1330
978 push @EXTS, $pkg; 1331 $grp
979} 1332}
980 1333
981sub load_extensions { 1334sub load_extensions {
1335 cf::sync_job {
1336 my %todo;
1337
982 for my $ext (<$LIBDIR/*.ext>) { 1338 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1339 next unless -r $path;
984 eval { 1340
985 load_extension $ext; 1341 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1342 my $base = $1;
1343 my $pkg = $1;
1344 $pkg =~ s/[^[:word:]]/_/g;
1345 $pkg = "ext::$pkg";
1346
1347 open my $fh, "<:utf8", $path
1348 or die "$path: $!";
1349
1350 my $source = do { local $/; <$fh> };
1351
1352 my %ext = (
1353 path => $path,
1354 base => $base,
1355 pkg => $pkg,
1356 );
1357
1358 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1359 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1360
1361 $ext{source} =
1362 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1363 . "#line 1 \"$path\"\n{\n"
1364 . $source
1365 . "\n};\n1";
1366
1367 $todo{$base} = \%ext;
1368 }
1369
1370 my %done;
1371 while (%todo) {
1372 my $progress;
1373
1374 while (my ($k, $v) = each %todo) {
1375 for (split /,\s*/, $v->{meta}{depends}) {
1376 goto skip
1377 unless exists $done{$_};
1378 }
1379
1380 warn "... loading '$k' into '$v->{pkg}'\n";
1381
1382 unless (eval $v->{source}) {
1383 my $msg = $@ ? "$v->{path}: $@\n"
1384 : "$v->{base}: extension inactive.\n";
1385
1386 if (exists $v->{meta}{mandatory}) {
1387 warn $msg;
1388 cf::cleanup "mandatory extension failed to load, exiting.";
1389 }
1390
1391 warn $msg;
1392 }
1393
1394 $done{$k} = delete $todo{$k};
1395 push @EXTS, $v->{pkg};
1396 $progress = 1;
986 1 1397 }
987 } or warn "$ext not loaded: $@"; 1398
1399 skip:
1400 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1401 unless $progress;
1402 }
988 } 1403 };
989} 1404}
990 1405
991############################################################################# 1406#############################################################################
992 1407
1408=back
1409
993=head2 CORE EXTENSIONS 1410=head2 CORE EXTENSIONS
994 1411
995Functions and methods that extend core crossfire objects. 1412Functions and methods that extend core deliantra objects.
996 1413
997=cut 1414=cut
998 1415
999package cf::player; 1416package cf::player;
1000 1417
1001use Coro::AIO; 1418use Coro::AIO;
1002 1419
1003=head3 cf::player 1420=head3 cf::player
1004 1421
1005=over 4 1422=over 4
1423
1424=item cf::player::num_playing
1425
1426Returns the official number of playing players, as per the Crossfire metaserver rules.
1427
1428=cut
1429
1430sub num_playing {
1431 scalar grep
1432 $_->ob->map
1433 && !$_->hidden
1434 && !$_->ob->flag (cf::FLAG_WIZ),
1435 cf::player::list
1436}
1006 1437
1007=item cf::player::find $login 1438=item cf::player::find $login
1008 1439
1009Returns the given player object, loading it if necessary (might block). 1440Returns the given player object, loading it if necessary (might block).
1010 1441
1029 1460
1030sub exists($) { 1461sub exists($) {
1031 my ($login) = @_; 1462 my ($login) = @_;
1032 1463
1033 $cf::PLAYER{$login} 1464 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1465 or !aio_stat path $login
1035} 1466}
1036 1467
1037sub find($) { 1468sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1469 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1470 my $login = $_[0];
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1477 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1478 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1479 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1480 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1481
1051 my $pl = load_pl path $login 1482 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1483 or return;
1484
1485 my $pl = cf::player::load_pl $f
1486 or return;
1487
1488 local $cf::PLAYER_LOADING{$login} = $pl;
1489 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1490 $cf::PLAYER{$login} = $pl
1054 } 1491 }
1055 } 1492 }
1056} 1493}
1057 1494
1066 return if $pl->{deny_save}; 1503 return if $pl->{deny_save};
1067 1504
1068 aio_mkdir playerdir $pl, 0770; 1505 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1506 $pl->{last_save} = $cf::RUNTIME;
1070 1507
1508 cf::get_slot 0.01;
1509
1071 $pl->save_pl ($path); 1510 $pl->save_pl ($path);
1072 Coro::cede; 1511 cf::cede_to_tick;
1073} 1512}
1074 1513
1075sub new($) { 1514sub new($) {
1076 my ($login) = @_; 1515 my ($login) = @_;
1077 1516
1083 $cf::PLAYER{$login} = $self; 1522 $cf::PLAYER{$login} = $self;
1084 1523
1085 $self 1524 $self
1086} 1525}
1087 1526
1527=item $player->send_msg ($channel, $msg, $color, [extra...])
1528
1529=cut
1530
1531sub send_msg {
1532 my $ns = shift->ns
1533 or return;
1534 $ns->send_msg (@_);
1535}
1536
1088=item $pl->quit_character 1537=item $pl->quit_character
1089 1538
1090Nukes the player without looking back. If logged in, the connection will 1539Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1540be destroyed. May block for a long time.
1092 1541
1096 my ($pl) = @_; 1545 my ($pl) = @_;
1097 1546
1098 my $name = $pl->ob->name; 1547 my $name = $pl->ob->name;
1099 1548
1100 $pl->{deny_save} = 1; 1549 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1550 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1551
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1552 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1553 $pl->deactivate;
1554 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1555 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1556 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1557 $pl->ns->destroy if $pl->ns;
1107 1558
1108 my $path = playerdir $pl; 1559 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1560 my $temp = "$path~$cf::RUNTIME~deleting~";
1145 or return []; 1596 or return [];
1146 1597
1147 my @logins; 1598 my @logins;
1148 1599
1149 for my $login (@$dirs) { 1600 for my $login (@$dirs) {
1601 my $path = path $login;
1602
1603 # a .pst is a dead give-away for a valid player
1604 # if no pst file found, open and chekc for blocked users
1605 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1606 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1607 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1608 $buf !~ /^password -------------$/m or next; # official not-valid tag
1609 }
1153 1610
1154 utf8::decode $login; 1611 utf8::decode $login;
1155 push @logins, $login; 1612 push @logins, $login;
1156 } 1613 }
1157 1614
1184 } 1641 }
1185 1642
1186 \@paths 1643 \@paths
1187} 1644}
1188 1645
1646=item $protocol_xml = $player->expand_cfpod ($cfpod)
1647
1648Expand deliantra pod fragments into protocol xml.
1649
1189=item $player->ext_reply ($msgid, %msg) 1650=item $player->ext_reply ($msgid, @msg)
1190 1651
1191Sends an ext reply to the player. 1652Sends an ext reply to the player.
1192 1653
1193=cut 1654=cut
1194 1655
1195sub ext_reply($$%) { 1656sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1657 my ($self, $id, @msg) = @_;
1197 1658
1198 $msg{msgid} = $id; 1659 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1660}
1202 1661
1203=item $player->ext_event ($type, %msg) 1662=item $player->ext_msg ($type, @msg)
1204 1663
1205Sends an ext event to the client. 1664Sends an ext event to the client.
1206 1665
1207=cut 1666=cut
1208 1667
1209sub ext_event($$%) { 1668sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1669 my ($self, $type, @msg) = @_;
1211 1670
1212 $self->ns->ext_event ($type, %msg); 1671 $self->ns->ext_msg ($type, @msg);
1213} 1672}
1214 1673
1215=head3 cf::region 1674=head3 cf::region
1216 1675
1217=over 4 1676=over 4
1220 1679
1221package cf::region; 1680package cf::region;
1222 1681
1223=item cf::region::find_by_path $path 1682=item cf::region::find_by_path $path
1224 1683
1225Tries to decuce the probable region for a map knowing only its path. 1684Tries to decuce the likely region for a map knowing only its path.
1226 1685
1227=cut 1686=cut
1228 1687
1229sub find_by_path($) { 1688sub find_by_path($) {
1230 my ($path) = @_; 1689 my ($path) = @_;
1231 1690
1232 my ($match, $specificity); 1691 my ($match, $specificity);
1233 1692
1234 for my $region (list) { 1693 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1694 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1695 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1696 if $region->specificity > $specificity;
1238 } 1697 }
1239 } 1698 }
1240 1699
1261our $MAX_RESET = 3600; 1720our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1721our $DEFAULT_RESET = 3000;
1263 1722
1264sub generate_random_map { 1723sub generate_random_map {
1265 my ($self, $rmp) = @_; 1724 my ($self, $rmp) = @_;
1725
1726 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1727
1266 # mit "rum" bekleckern, nicht 1728 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1729 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1730 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1731 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1732 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1766 my ($self, $merge) = @_;
1305 1767
1306 # we have to keep some variables in memory intact 1768 # we have to keep some variables in memory intact
1307 local $self->{path}; 1769 local $self->{path};
1308 local $self->{load_path}; 1770 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1771
1312 $self->SUPER::thawer_merge ($merge); 1772 $self->SUPER::thawer_merge ($merge);
1313} 1773}
1314 1774
1315sub normalise { 1775sub normalise {
1362 $self->init; # pass $1 etc. 1822 $self->init; # pass $1 etc.
1363 return $self; 1823 return $self;
1364 } 1824 }
1365 } 1825 }
1366 1826
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1827 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1828 ()
1369} 1829}
1370 1830
1371sub init { 1831sub init {
1372 my ($self) = @_; 1832 my ($self) = @_;
1394 1854
1395# the temporary/swap location 1855# the temporary/swap location
1396sub save_path { 1856sub save_path {
1397 my ($self) = @_; 1857 my ($self) = @_;
1398 1858
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1859 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1860 "$TMPDIR/$path.map"
1401} 1861}
1402 1862
1403# the unique path, undef == no special unique path 1863# the unique path, undef == no special unique path
1404sub uniq_path { 1864sub uniq_path {
1405 my ($self) = @_; 1865 my ($self) = @_;
1406 1866
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1868 "$UNIQUEDIR/$path"
1409} 1869}
1410 1870
1411# and all this just because we cannot iterate over 1871sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1872 my ($self) = @_;
1415 1873
1416 $_->change_map_light ($change) 1874 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1875
1876 $self->do_decay_objects;
1418} 1877}
1419 1878
1420sub unlink_save { 1879sub unlink_save {
1421 my ($self) = @_; 1880 my ($self) = @_;
1422 1881
1427 1886
1428sub load_header_from($) { 1887sub load_header_from($) {
1429 my ($self, $path) = @_; 1888 my ($self, $path) = @_;
1430 1889
1431 utf8::encode $path; 1890 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1891 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1892 or return;
1893
1894 $self->_load_header ($f)
1895 or return;
1896
1897 local $MAP_LOADING{$self->{path}} = $self;
1898 $f->resolve_delayed_derefs;
1437 1899
1438 $self->{load_path} = $path; 1900 $self->{load_path} = $path;
1439 1901
1440 1 1902 1
1441} 1903}
1480 $self->load_header_orig 1942 $self->load_header_orig
1481 or return; 1943 or return;
1482 $self->prepare_orig; 1944 $self->prepare_orig;
1483 } 1945 }
1484 1946
1947 $self->{deny_reset} = 1
1948 if $self->no_reset;
1949
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1950 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1951 unless $self->default_region;
1487 1952
1488 1 1953 1
1489} 1954}
1492sub find { 1957sub find {
1493 my ($path, $origin) = @_; 1958 my ($path, $origin) = @_;
1494 1959
1495 $path = normalise $path, $origin && $origin->path; 1960 $path = normalise $path, $origin && $origin->path;
1496 1961
1962 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1963 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1964
1499 $cf::MAP{$path} || do { 1965 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1966 my $map = new_from_path cf::map $path
1502 or return; 1967 or return;
1503 1968
1504 $map->{last_save} = $cf::RUNTIME; 1969 $map->{last_save} = $cf::RUNTIME;
1505 1970
1506 $map->load_header 1971 $map->load_header
1507 or return; 1972 or return;
1508 1973
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1974 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1975 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1976 #$cf::WAIT_FOR_TICK->wait;
1977 undef $guard2;
1978 undef $guard1;
1512 $map->reset; 1979 $map->reset;
1513 undef $guard;
1514 return find $path; 1980 return find $path;
1515 } 1981 }
1516 1982
1517 $cf::MAP{$path} = $map 1983 $cf::MAP{$path} = $map
1518 } 1984 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 1993 local $self->{deny_reset} = 1; # loading can take a long time
1528 1994
1529 my $path = $self->{path}; 1995 my $path = $self->{path};
1530 1996
1531 { 1997 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 1998 my $guard = cf::lock_acquire "map_data:$path";
1533 1999
2000 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2001 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2002
1536 $self->in_memory (cf::MAP_LOADING); 2003 $self->in_memory (cf::MAP_LOADING);
1537 2004
1538 $self->alloc; 2005 $self->alloc;
1539 2006
1540 $self->pre_load; 2007 $self->pre_load;
1541 Coro::cede; 2008 cf::cede_to_tick;
1542 2009
2010 my $f = new_from_file cf::object::thawer $self->{load_path};
2011 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2012 $self->_load_objects ($f)
1544 or return; 2013 or return;
1545 2014
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2015 $self->post_load_original
1547 if delete $self->{load_original}; 2016 if delete $self->{load_original};
1548 2017
1549 if (my $uniq = $self->uniq_path) { 2018 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2019 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2020 unless (aio_stat $uniq) {
2021 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2022 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2023 $self->_load_objects ($f);
2024 $f->resolve_delayed_derefs;
2025 }
1554 } 2026 }
1555 } 2027 }
1556 2028
1557 Coro::cede; 2029 $f->resolve_delayed_derefs;
2030
2031 cf::cede_to_tick;
1558 # now do the right thing for maps 2032 # now do the right thing for maps
1559 $self->link_multipart_objects; 2033 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2034 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2035 unless $self->difficulty;
1562 Coro::cede; 2036 cf::cede_to_tick;
1563 2037
1564 unless ($self->{deny_activate}) { 2038 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2039 $self->decay_objects;
1566 $self->fix_auto_apply; 2040 $self->fix_auto_apply;
1567 $self->update_buttons; 2041 $self->update_buttons;
1568 Coro::cede; 2042 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2043 $self->activate;
1572 } 2044 }
1573 2045
2046 $self->{last_save} = $cf::RUNTIME;
2047 $self->last_access ($cf::RUNTIME);
2048
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2049 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2050 }
1576 2051
1577 $self->post_load; 2052 $self->post_load;
1578} 2053}
1579 2054
1581 my ($self, $ob) = @_; 2056 my ($self, $ob) = @_;
1582 2057
1583 return find "~" . $ob->name . "/" . $self->{path} 2058 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2059 if $self->per_player;
1585 2060
2061# return find "?party/" . $ob->name . "/" . $self->{path}
2062# if $self->per_party;
2063
1586 $self 2064 $self
1587} 2065}
1588 2066
1589# find and load all maps in the 3x3 area around a map 2067# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2068sub load_neighbours {
1591 my ($map) = @_; 2069 my ($map) = @_;
1592 2070
1593 my @diag; # diagonal neighbours 2071 my @neigh; # diagonal neighbours
1594 2072
1595 for (0 .. 3) { 2073 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2074 my $neigh = $map->tile_path ($_)
1597 or next; 2075 or next;
1598 $neigh = find $neigh, $map 2076 $neigh = find $neigh, $map
1599 or next; 2077 or next;
1600 $neigh->load; 2078 $neigh->load;
1601 2079
2080 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2081 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2082 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2083 }
1605 2084
1606 for (@diag) { 2085 for (grep defined $_->[0], @neigh) {
2086 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2087 my $neigh = find $path, $origin
1608 or next; 2088 or next;
1609 $neigh->load; 2089 $neigh->load;
1610 } 2090 }
1611} 2091}
1612 2092
1617} 2097}
1618 2098
1619sub do_load_sync { 2099sub do_load_sync {
1620 my ($map) = @_; 2100 my ($map) = @_;
1621 2101
2102 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2103 if $Coro::current == $Coro::main;
2104
1622 cf::sync_job { $map->load }; 2105 cf::sync_job { $map->load };
1623} 2106}
1624 2107
1625our %MAP_PREFETCH; 2108our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2109our $MAP_PREFETCHER = undef;
1627 2110
1628sub find_async { 2111sub find_async {
1629 my ($path, $origin) = @_; 2112 my ($path, $origin, $load) = @_;
1630 2113
1631 $path = normalise $path, $origin && $origin->{path}; 2114 $path = normalise $path, $origin && $origin->{path};
1632 2115
1633 if (my $map = $cf::MAP{$path}) { 2116 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2117 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2118 }
1636 2119
1637 undef $MAP_PREFETCH{$path}; 2120 $MAP_PREFETCH{$path} |= $load;
2121
1638 $MAP_PREFETCHER ||= cf::async { 2122 $MAP_PREFETCHER ||= cf::async {
2123 $Coro::current->{desc} = "map prefetcher";
2124
1639 while (%MAP_PREFETCH) { 2125 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2126 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2127 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2128 $map->load if $v;
2129 }
1644 2130
1645 delete $MAP_PREFETCH{$path}; 2131 delete $MAP_PREFETCH{$k};
1646 } 2132 }
1647 } 2133 }
1648 undef $MAP_PREFETCHER; 2134 undef $MAP_PREFETCHER;
1649 }; 2135 };
1650 $MAP_PREFETCHER->prio (6); 2136 $MAP_PREFETCHER->prio (6);
1653} 2139}
1654 2140
1655sub save { 2141sub save {
1656 my ($self) = @_; 2142 my ($self) = @_;
1657 2143
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2144 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2145
1660 $self->{last_save} = $cf::RUNTIME; 2146 $self->{last_save} = $cf::RUNTIME;
1661 2147
1662 return unless $self->dirty; 2148 return unless $self->dirty;
1663 2149
1669 return if $self->{deny_save}; 2155 return if $self->{deny_save};
1670 2156
1671 local $self->{last_access} = $self->last_access;#d# 2157 local $self->{last_access} = $self->last_access;#d#
1672 2158
1673 cf::async { 2159 cf::async {
2160 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2161 $_->contr->save for $self->players;
1675 }; 2162 };
2163
2164 cf::get_slot 0.02;
1676 2165
1677 if ($uniq) { 2166 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2167 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2168 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2169 } else {
1686 my ($self) = @_; 2175 my ($self) = @_;
1687 2176
1688 # save first because save cedes 2177 # save first because save cedes
1689 $self->save; 2178 $self->save;
1690 2179
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2180 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2181
1693 return if $self->players; 2182 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2183 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2184 return if $self->{deny_save};
1696 2185
2186 $self->in_memory (cf::MAP_SWAPPED);
2187
2188 $self->deactivate;
2189 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2190 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2191}
1700 2192
1701sub reset_at { 2193sub reset_at {
1702 my ($self) = @_; 2194 my ($self) = @_;
1703 2195
1704 # TODO: safety, remove and allow resettable per-player maps 2196 # 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}; 2197 return 1e99 if $self->{deny_reset};
1707 2198
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2199 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2200 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2201
1721 my ($self) = @_; 2212 my ($self) = @_;
1722 2213
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2214 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2215
1725 return if $self->players; 2216 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2217
1728 warn "resetting map ", $self->path;#d# 2218 warn "resetting map ", $self->path;
1729 2219
1730 $self->in_memory (cf::MAP_SWAPPED); 2220 $self->in_memory (cf::MAP_SWAPPED);
1731 2221
1732 # need to save uniques path 2222 # need to save uniques path
1733 unless ($self->{deny_save}) { 2223 unless ($self->{deny_save}) {
1737 if $uniq; 2227 if $uniq;
1738 } 2228 }
1739 2229
1740 delete $cf::MAP{$self->path}; 2230 delete $cf::MAP{$self->path};
1741 2231
2232 $self->deactivate;
2233 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2234 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2235
1746 $self->unlink_save; 2236 $self->unlink_save;
1747 $self->destroy; 2237 $self->destroy;
1748} 2238}
1749 2239
1750my $nuke_counter = "aaaa"; 2240my $nuke_counter = "aaaa";
1751 2241
1752sub nuke { 2242sub nuke {
1753 my ($self) = @_; 2243 my ($self) = @_;
1754 2244
2245 {
2246 my $lock = cf::lock_acquire "map_data:$self->{path}";
2247
1755 delete $cf::MAP{$self->path}; 2248 delete $cf::MAP{$self->path};
1756 2249
1757 $self->unlink_save; 2250 $self->unlink_save;
1758 2251
1759 bless $self, "cf::map"; 2252 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2253 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2254 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2255 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2256 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2257
1765 $cf::MAP{$self->path} = $self; 2258 $cf::MAP{$self->path} = $self;
2259 }
1766 2260
1767 $self->reset; # polite request, might not happen 2261 $self->reset; # polite request, might not happen
2262}
2263
2264=item $maps = cf::map::tmp_maps
2265
2266Returns an arrayref with all map paths of currently instantiated and saved
2267maps. May block.
2268
2269=cut
2270
2271sub tmp_maps() {
2272 [
2273 map {
2274 utf8::decode $_;
2275 /\.map$/
2276 ? normalise $_
2277 : ()
2278 } @{ aio_readdir $TMPDIR or [] }
2279 ]
2280}
2281
2282=item $maps = cf::map::random_maps
2283
2284Returns an arrayref with all map paths of currently instantiated and saved
2285random maps. May block.
2286
2287=cut
2288
2289sub random_maps() {
2290 [
2291 map {
2292 utf8::decode $_;
2293 /\.map$/
2294 ? normalise "?random/$_"
2295 : ()
2296 } @{ aio_readdir $RANDOMDIR or [] }
2297 ]
1768} 2298}
1769 2299
1770=item cf::map::unique_maps 2300=item cf::map::unique_maps
1771 2301
1772Returns an arrayref of paths of all shared maps that have 2302Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2303instantiated unique items. May block.
1774 2304
1775=cut 2305=cut
1776 2306
1777sub unique_maps() { 2307sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2308 [
1779 or return; 2309 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2310 utf8::decode $_;
1785 next if /\.pst$/; 2311 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2312 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2313 ? ()
1788 push @paths, cf::map::normalise $_; 2314 : normalise $_
2315 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2316 ]
1790
1791 \@paths
1792} 2317}
1793
1794package cf;
1795 2318
1796=back 2319=back
1797 2320
1798=head3 cf::object 2321=head3 cf::object
1799 2322
1803 2326
1804=over 4 2327=over 4
1805 2328
1806=item $ob->inv_recursive 2329=item $ob->inv_recursive
1807 2330
1808Returns the inventory of the object _and_ their inventories, recursively. 2331Returns the inventory of the object I<and> their inventories, recursively,
2332but I<not> the object itself.
1809 2333
1810=cut 2334=cut
1811 2335
1812sub inv_recursive_; 2336sub inv_recursive_;
1813sub inv_recursive_ { 2337sub inv_recursive_ {
1816 2340
1817sub inv_recursive { 2341sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2342 inv_recursive_ inv $_[0]
1819} 2343}
1820 2344
2345=item $ref = $ob->ref
2346
2347Creates and returns a persistent reference to an object that can be stored as a string.
2348
2349=item $ob = cf::object::deref ($refstring)
2350
2351returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2352even if the object actually exists. May block.
2353
2354=cut
2355
2356sub deref {
2357 my ($ref) = @_;
2358
2359 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2360 my ($uuid, $name) = ($1, $2);
2361 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2362 or return;
2363 $pl->ob->uuid eq $uuid
2364 or return;
2365
2366 $pl->ob
2367 } else {
2368 warn "$ref: cannot resolve object reference\n";
2369 undef
2370 }
2371}
2372
1821package cf; 2373package cf;
1822 2374
1823=back 2375=back
1824 2376
1825=head3 cf::object::player 2377=head3 cf::object::player
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2383Sends 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 2384can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2385dialogue with the given NPC character.
1834 2386
1835=cut 2387=cut
2388
2389our $SAY_CHANNEL = {
2390 id => "say",
2391 title => "Map",
2392 reply => "say ",
2393 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2394};
2395
2396our $CHAT_CHANNEL = {
2397 id => "chat",
2398 title => "Chat",
2399 reply => "chat ",
2400 tooltip => "Player chat and shouts, global to the server.",
2401};
1836 2402
1837# rough implementation of a future "reply" method that works 2403# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2404# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2405#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2406sub cf::object::player::reply($$$;$) {
1842 2408
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2409 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2410
1845 if ($self->{record_replies}) { 2411 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2412 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2413
1847 } else { 2414 } else {
2415 my $pl = $self->contr;
2416
2417 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2418 my $dialog = $pl->{npc_dialog};
2419 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420
2421 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2422 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2423 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424 }
1850 } 2425 }
2426}
2427
2428=item $object->send_msg ($channel, $msg, $color, [extra...])
2429
2430=cut
2431
2432sub cf::object::send_msg {
2433 my $pl = shift->contr
2434 or return;
2435 $pl->send_msg (@_);
1851} 2436}
1852 2437
1853=item $player_object->may ("access") 2438=item $player_object->may ("access")
1854 2439
1855Returns wether the given player is authorized to access resource "access" 2440Returns wether the given player is authorized to access resource "access"
1868 2453
1869=item $player_object->enter_link 2454=item $player_object->enter_link
1870 2455
1871Freezes the player and moves him/her to a special map (C<{link}>). 2456Freezes the player and moves him/her to a special map (C<{link}>).
1872 2457
1873The player should be reasonably safe there for short amounts of time. You 2458The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2459for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2460though, as the palyer cannot control the character while it is on the link
2461map.
1875 2462
1876Will never block. 2463Will never block.
1877 2464
1878=item $player_object->leave_link ($map, $x, $y) 2465=item $player_object->leave_link ($map, $x, $y)
1879 2466
1934 # use -1 or undef as default coordinates, not 0, 0 2521 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2522 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2523 if $x <=0 && $y <= 0;
1937 2524
1938 $map->load; 2525 $map->load;
1939 $map->load_diag; 2526 $map->load_neighbours;
1940 2527
1941 return unless $self->contr->active; 2528 return unless $self->contr->active;
2529 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942 $self->activate_recursive; 2530 $self->activate_recursive;
1943 2531
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2532 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2533 $self->enter_map ($map, $x, $y);
1946} 2534}
1947 2535
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2536=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2537
1950Moves the player to the given map-path and coordinates by first freezing 2538Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2539her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2540that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2541the new (success) or old (failed) map position. In either case, $done will
2542be called at the end of this process.
2543
2544Note that $check will be called with a potentially non-loaded map, so if
2545it needs a loaded map it has to call C<< ->load >>.
1954 2546
1955=cut 2547=cut
1956 2548
1957our $GOTOGEN; 2549our $GOTOGEN;
1958 2550
1959sub cf::object::player::goto { 2551sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2552 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2553
1962 # do generation counting so two concurrent goto's will be executed in-order 2554 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2555 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2556
1965 $self->enter_link; 2557 $self->enter_link;
1966 2558
1967 (async { 2559 (async {
2560 $Coro::current->{desc} = "player::goto $path $x $y";
2561
2562 # *tag paths override both path and x|y
2563 if ($path =~ /^\*(.*)$/) {
2564 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2565 my $ob = $obs[rand @obs];
2566
2567 # see if we actually can go there
2568 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2569 $ob = $obs[rand @obs];
2570 } else {
2571 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2572 }
2573 # else put us there anyways for now #d#
2574
2575 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2576 } else {
2577 ($path, $x, $y) = (undef, undef, undef);
2578 }
2579 }
2580
1968 my $map = eval { 2581 my $map = eval {
1969 my $map = cf::map::find $path; 2582 my $map = defined $path ? cf::map::find $path : undef;
1970 2583
1971 if ($map) { 2584 if ($map) {
1972 $map = $map->customise_for ($self); 2585 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2586 $map = $check->($map) if $check && $map;
1974 } else { 2587 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2588 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2589 }
1977 2590
1978 $map 2591 $map
1979 }; 2592 };
1980 2593
1985 2598
1986 if ($gen == $self->{_goto_generation}) { 2599 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2600 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2601 $self->leave_link ($map, $x, $y);
1989 } 2602 }
2603
2604 $done->() if $done;
1990 })->prio (1); 2605 })->prio (1);
1991} 2606}
1992 2607
1993=item $player_object->enter_exit ($exit_object) 2608=item $player_object->enter_exit ($exit_object)
1994 2609
2014} 2629}
2015 2630
2016sub prepare_random_map { 2631sub prepare_random_map {
2017 my ($exit) = @_; 2632 my ($exit) = @_;
2018 2633
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2634 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2635 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2636 # that depends on the exit object
2024 2637
2025 my $rmp = parse_random_map_params $exit->msg; 2638 my $rmp = parse_random_map_params $exit->msg;
2027 if ($exit->map) { 2640 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2641 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2642 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2643 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2644 $rmp->{origin_y} = $exit->y;
2645
2646 $exit->map->touch;
2032 } 2647 }
2033 2648
2034 $rmp->{random_seed} ||= $exit->random_seed; 2649 $rmp->{random_seed} ||= $exit->random_seed;
2035 2650
2036 my $data = cf::to_json $rmp; 2651 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2652 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2653 my $meta = "$RANDOMDIR/$md5.meta";
2039 2654
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2655 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2656 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2657 undef $fh;
2043 aio_rename "$meta~", $meta; 2658 aio_rename "$meta~", $meta;
2044 2659
2660 my $slaying = "?random/$md5";
2661
2662 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2663 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2664 $exit->msg (undef);
2665 }
2047 } 2666 }
2048} 2667}
2049 2668
2050sub cf::object::player::enter_exit { 2669sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2670 my ($self, $exit) = @_;
2052 2671
2053 return unless $self->type == cf::PLAYER; 2672 return unless $self->type == cf::PLAYER;
2054 2673
2055 if ($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; 2674 $self->enter_link;
2067 2675
2068 (async { 2676 (async {
2069 $self->deactivate_recursive; # just to be sure 2677 $Coro::current->{desc} = "enter_exit";
2678
2070 unless (eval { 2679 unless (eval {
2680 $self->deactivate_recursive; # just to be sure
2681
2682 # random map handling
2683 {
2684 my $guard = cf::lock_acquire "exit_prepare:$exit";
2685
2686 prepare_random_map $exit
2687 if $exit->slaying eq "/!";
2688 }
2689
2690 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2691 my $x = $exit->stats->hp;
2692 my $y = $exit->stats->sp;
2693
2071 $self->goto ($slaying, $hp, $sp); 2694 $self->goto ($map, $x, $y);
2072 2695
2696 # if exit is damned, update players death & WoR home-position
2697 $self->contr->savebed ($map, $x, $y)
2698 if $exit->flag (cf::FLAG_DAMNED);
2699
2073 1; 2700 1
2074 }) { 2701 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2706
2080 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2099 2726
2100 utf8::encode $text; 2727 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2728 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2729}
2103 2730
2731=item $client->send_msg ($channel, $msg, $color, [extra...])
2732
2733Send a drawinfo or msg packet to the client, formatting the msg for the
2734client if neccessary. C<$type> should be a string identifying the type of
2735the message, with C<log> being the default. If C<$color> is negative, suppress
2736the message unless the client supports the msg packet.
2737
2738=cut
2739
2740# non-persistent channels (usually the info channel)
2741our %CHANNEL = (
2742 "c/identify" => {
2743 id => "infobox",
2744 title => "Identify",
2745 reply => undef,
2746 tooltip => "Items recently identified",
2747 },
2748 "c/examine" => {
2749 id => "infobox",
2750 title => "Examine",
2751 reply => undef,
2752 tooltip => "Signs and other items you examined",
2753 },
2754 "c/book" => {
2755 id => "infobox",
2756 title => "Book",
2757 reply => undef,
2758 tooltip => "The contents of a note or book",
2759 },
2760 "c/lookat" => {
2761 id => "infobox",
2762 title => "Look",
2763 reply => undef,
2764 tooltip => "What you saw there",
2765 },
2766 "c/who" => {
2767 id => "infobox",
2768 title => "Players",
2769 reply => undef,
2770 tooltip => "Shows players who are currently online",
2771 },
2772 "c/body" => {
2773 id => "infobox",
2774 title => "Body Parts",
2775 reply => undef,
2776 tooltip => "Shows which body parts you posess and are available",
2777 },
2778 "c/statistics" => {
2779 id => "infobox",
2780 title => "Statistics",
2781 reply => undef,
2782 tooltip => "Shows your primary statistics",
2783 },
2784 "c/skills" => {
2785 id => "infobox",
2786 title => "Skills",
2787 reply => undef,
2788 tooltip => "Shows your experience per skill and item power",
2789 },
2790 "c/shopitems" => {
2791 id => "infobox",
2792 title => "Shop Items",
2793 reply => undef,
2794 tooltip => "Shows the items currently for sale in this shop",
2795 },
2796 "c/resistances" => {
2797 id => "infobox",
2798 title => "Resistances",
2799 reply => undef,
2800 tooltip => "Shows your resistances",
2801 },
2802 "c/pets" => {
2803 id => "infobox",
2804 title => "Pets",
2805 reply => undef,
2806 tooltip => "Shows information abotu your pets/a specific pet",
2807 },
2808 "c/perceiveself" => {
2809 id => "infobox",
2810 title => "Perceive Self",
2811 reply => undef,
2812 tooltip => "You gained detailed knowledge about yourself",
2813 },
2814 "c/uptime" => {
2815 id => "infobox",
2816 title => "Uptime",
2817 reply => undef,
2818 tooltip => "How long the server has been running since last restart",
2819 },
2820 "c/mapinfo" => {
2821 id => "infobox",
2822 title => "Map Info",
2823 reply => undef,
2824 tooltip => "Information related to the maps",
2825 },
2826 "c/party" => {
2827 id => "party",
2828 title => "Party",
2829 reply => "gsay ",
2830 tooltip => "Messages and chat related to your party",
2831 },
2832 "c/death" => {
2833 id => "death",
2834 title => "Death",
2835 reply => undef,
2836 tooltip => "Reason for and more info about your most recent death",
2837 },
2838 "c/say" => $SAY_CHANNEL,
2839 "c/chat" => $CHAT_CHANNEL,
2840);
2841
2842sub cf::client::send_msg {
2843 my ($self, $channel, $msg, $color, @extra) = @_;
2844
2845 $msg = $self->pl->expand_cfpod ($msg)
2846 unless $color & cf::NDI_VERBATIM;
2847
2848 $color &= cf::NDI_CLIENT_MASK; # just in case...
2849
2850 # check predefined channels, for the benefit of C
2851 if ($CHANNEL{$channel}) {
2852 $channel = $CHANNEL{$channel};
2853
2854 $self->ext_msg (channel_info => $channel);
2855 $channel = $channel->{id};
2856
2857 } elsif (ref $channel) {
2858 # send meta info to client, if not yet sent
2859 unless (exists $self->{channel}{$channel->{id}}) {
2860 $self->{channel}{$channel->{id}} = $channel;
2861 $self->ext_msg (channel_info => $channel);
2862 }
2863
2864 $channel = $channel->{id};
2865 }
2866
2867 return unless @extra || length $msg;
2868
2869 # default colour, mask it out
2870 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871 if $color & cf::NDI_DEF;
2872
2873 my $pkt = "msg "
2874 . $self->{json_coder}->encode (
2875 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2876 );
2877
2878 # try lzf for large packets
2879 $pkt = "lzf " . Compress::LZF::compress $pkt
2880 if 1024 <= length $pkt and $self->{can_lzf};
2881
2882 # split very large packets
2883 if (8192 < length $pkt and $self->{can_lzf}) {
2884 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2885 $pkt = "frag";
2886 }
2887
2888 $self->send_packet ($pkt);
2889}
2890
2104=item $client->ext_event ($type, %msg) 2891=item $client->ext_msg ($type, @msg)
2105 2892
2106Sends an exti event to the client. 2893Sends an ext event to the client.
2107 2894
2108=cut 2895=cut
2109 2896
2110sub cf::client::ext_event($$%) { 2897sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2898 my ($self, $type, @msg) = @_;
2112 2899
2900 if ($self->extcmd == 2) {
2901 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2903 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2904 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905 }
2906}
2907
2908=item $client->ext_reply ($msgid, @msg)
2909
2910Sends an ext reply to the client.
2911
2912=cut
2913
2914sub cf::client::ext_reply($$@) {
2915 my ($self, $id, @msg) = @_;
2916
2917 if ($self->extcmd == 2) {
2918 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919 } elsif ($self->extcmd == 1) {
2920 #TODO: version 1, remove
2921 unshift @msg, msgtype => "reply", msgid => $id;
2922 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923 }
2115} 2924}
2116 2925
2117=item $success = $client->query ($flags, "text", \&cb) 2926=item $success = $client->query ($flags, "text", \&cb)
2118 2927
2119Queues a query to the client, calling the given callback with 2928Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2929the 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>. 2930C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2931
2123Queries can fail, so check the return code. Or don't, as queries will become 2932Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2933become reliable at some point in the future.
2125 2934
2126=cut 2935=cut
2127 2936
2128sub cf::client::query { 2937sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2938 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2946 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2947 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2948
2140 $self->send_packet ($self->{query_queue}[0][0]) 2949 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2950 if @{ $self->{query_queue} } == 1;
2951
2952 1
2142} 2953}
2143 2954
2144cf::client->attach ( 2955cf::client->attach (
2956 on_connect => sub {
2957 my ($ns) = @_;
2958
2959 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2960 },
2145 on_reply => sub { 2961 on_reply => sub {
2146 my ($ns, $msg) = @_; 2962 my ($ns, $msg) = @_;
2147 2963
2148 # this weird shuffling is so that direct followup queries 2964 # this weird shuffling is so that direct followup queries
2149 # get handled first 2965 # get handled first
2161 } else { 2977 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2978 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2979 }
2164 } 2980 }
2165 }, 2981 },
2982 on_exticmd => sub {
2983 my ($ns, $buf) = @_;
2984
2985 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2986
2987 if (ref $msg) {
2988 my ($type, $reply, @payload) =
2989 "ARRAY" eq ref $msg
2990 ? @$msg
2991 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2992
2993 my @reply;
2994
2995 if (my $cb = $EXTICMD{$type}) {
2996 @reply = $cb->($ns, @payload);
2997 }
2998
2999 $ns->ext_reply ($reply, @reply)
3000 if $reply;
3001
3002 } else {
3003 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3004 }
3005
3006 cf::override;
3007 },
2166); 3008);
2167 3009
2168=item $client->async (\&cb) 3010=item $client->async (\&cb)
2169 3011
2170Create a new coroutine, running the specified callback. The coroutine will 3012Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3053our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3054our $safe_hole = new Safe::Hole;
2213 3055
2214$SIG{FPE} = 'IGNORE'; 3056$SIG{FPE} = 'IGNORE';
2215 3057
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3058$safe->permit_only (Opcode::opset qw(
3059 :base_core :base_mem :base_orig :base_math
3060 grepstart grepwhile mapstart mapwhile
3061 sort time
3062));
2217 3063
2218# here we export the classes and methods available to script code 3064# here we export the classes and methods available to script code
2219 3065
2220=pod 3066=pod
2221 3067
2222The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2223 3069
2224 cf::object contr pay_amount pay_player map 3070 cf::object
3071 contr pay_amount pay_player map x y force_find force_add destroy
3072 insert remove name archname title slaying race decrease split
3073 value
3074
2225 cf::object::player player 3075 cf::object::player
2226 cf::player peaceful 3076 player
2227 cf::map trigger 3077
3078 cf::player
3079 peaceful
3080
3081 cf::map
3082 trigger
2228 3083
2229=cut 3084=cut
2230 3085
2231for ( 3086for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3087 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3088 insert remove inv nrof name archname title slaying race
3089 decrease split destroy change_exp value msg lore send_msg)],
2233 ["cf::object::player" => qw(player)], 3090 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3091 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3092 ["cf::map" => qw(trigger)],
2236) { 3093) {
2237 no strict 'refs'; 3094 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3095 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3096 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2256 my ($code, %vars) = @_; 3113 my ($code, %vars) = @_;
2257 3114
2258 my $qcode = $code; 3115 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3116 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3117 $qcode =~ s/\n/\\n/g;
3118
3119 %vars = (_dummy => 0) unless %vars;
2261 3120
2262 local $_; 3121 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars; 3122 local @safe::cf::_safe_eval_args = values %vars;
2264 3123
2265 my $eval = 3124 my $eval =
2308=back 3167=back
2309 3168
2310=cut 3169=cut
2311 3170
2312############################################################################# 3171#############################################################################
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 $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3172# the server's init and main functions
2486 3173
2487sub load_facedata($) { 3174sub load_facedata($) {
2488 my ($path) = @_; 3175 my ($path) = @_;
3176
3177 # HACK to clear player env face cache, we need some signal framework
3178 # for this (global event?)
3179 %ext::player_env::MUSIC_FACE_CACHE = ();
3180
3181 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3182
2490 warn "loading facedata from $path\n"; 3183 warn "loading facedata from $path\n";
2491 3184
2492 my $facedata; 3185 my $facedata;
2493 0 < aio_load $path, $facedata 3186 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3189 $facedata = Coro::Storable::thaw $facedata;
2497 3190
2498 $facedata->{version} == 2 3191 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3192 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3193
3194 # patch in the exptable
3195 $facedata->{resource}{"res/exp_table"} = {
3196 type => FT_RSRC,
3197 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3198 };
3199 cf::cede_to_tick;
3200
2501 { 3201 {
2502 my $faces = $facedata->{faceinfo}; 3202 my $faces = $facedata->{faceinfo};
2503 3203
2504 while (my ($face, $info) = each %$faces) { 3204 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3205 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3207 cf::face::set_visibility $idx, $info->{visibility};
3208 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3209 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3210 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3211
3212 cf::cede_to_tick;
2510 } 3213 }
2511 3214
2512 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3216 next unless $info->{smooth};
3217
2514 my $idx = cf::face::find $face 3218 my $idx = cf::face::find $face
2515 or next; 3219 or next;
3220
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3221 if (my $smooth = cf::face::find $info->{smooth}) {
3222 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3223 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3224 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3225 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3226 }
2521 Coro::cede; 3227
3228 cf::cede_to_tick;
2522 } 3229 }
2523 } 3230 }
2524 3231
2525 { 3232 {
2526 my $anims = $facedata->{animinfo}; 3233 my $anims = $facedata->{animinfo};
2527 3234
2528 while (my ($anim, $info) = each %$anims) { 3235 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3236 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3237 cf::cede_to_tick;
2531 } 3238 }
2532 3239
2533 cf::anim::invalidate_all; # d'oh 3240 cf::anim::invalidate_all; # d'oh
2534 } 3241 }
2535 3242
3243 {
3244 # TODO: for gcfclient pleasure, we should give resources
3245 # that gcfclient doesn't grok a >10000 face index.
3246 my $res = $facedata->{resource};
3247
3248 while (my ($name, $info) = each %$res) {
3249 if (defined $info->{type}) {
3250 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3251 my $data;
3252
3253 if ($info->{type} & 1) {
3254 # prepend meta info
3255
3256 my $meta = $enc->encode ({
3257 name => $name,
3258 %{ $info->{meta} || {} },
3259 });
3260
3261 $data = pack "(w/a*)*", $meta, $info->{data};
3262 } else {
3263 $data = $info->{data};
3264 }
3265
3266 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267 cf::face::set_type $idx, $info->{type};
3268 } else {
3269 $RESOURCE{$name} = $info;
3270 }
3271
3272 cf::cede_to_tick;
3273 }
3274 }
3275
3276 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3277
2536 1 3278 1
2537} 3279}
2538 3280
3281cf::global->attach (on_resource_update => sub {
3282 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286 my $sound = $soundconf->{compat}[$_]
3287 or next;
3288
3289 my $face = cf::face::find "sound/$sound->[1]";
3290 cf::sound::set $sound->[0] => $face;
3291 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292 }
3293
3294 while (my ($k, $v) = each %{$soundconf->{event}}) {
3295 my $face = cf::face::find "sound/$v";
3296 cf::sound::set $k => $face;
3297 }
3298 }
3299});
3300
3301register_exticmd fx_want => sub {
3302 my ($ns, $want) = @_;
3303
3304 while (my ($k, $v) = each %$want) {
3305 $ns->fx_want ($k, $v);
3306 }
3307};
3308
3309sub load_resource_file($) {
3310 my $guard = lock_acquire "load_resource_file";
3311
3312 my $status = load_resource_file_ $_[0];
3313 get_slot 0.1, 100;
3314 cf::arch::commit_load;
3315
3316 $status
3317}
3318
2539sub reload_regions { 3319sub reload_regions {
3320 # HACK to clear player env face cache, we need some signal framework
3321 # for this (global event?)
3322 %ext::player_env::MUSIC_FACE_CACHE = ();
3323
2540 load_resource_file "$MAPDIR/regions" 3324 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3325 or die "unable to load regions file\n";
3326
3327 for (cf::region::list) {
3328 $_->{match} = qr/$_->{match}/
3329 if exists $_->{match};
3330 }
2542} 3331}
2543 3332
2544sub reload_facedata { 3333sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3334 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3335 or die "unable to load facedata\n";
2557} 3346}
2558 3347
2559sub reload_resources { 3348sub reload_resources {
2560 warn "reloading resource files...\n"; 3349 warn "reloading resource files...\n";
2561 3350
2562 reload_regions;
2563 reload_facedata; 3351 reload_facedata;
2564 reload_archetypes; 3352 reload_archetypes;
3353 reload_regions;
2565 reload_treasures; 3354 reload_treasures;
2566 3355
2567 warn "finished reloading resource files\n"; 3356 warn "finished reloading resource files\n";
2568} 3357}
2569 3358
2570sub init { 3359sub reload_config {
2571 reload_resources;
2572}
2573
2574sub cfg_load {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3361 or return;
2577 3362
2578 local $/; 3363 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3364 *CFG = YAML::Load <$fh>;
2580 3365
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3366 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3367
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3368 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3369 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2590 }; 3375 };
2591 warn $@ if $@; 3376 warn $@ if $@;
2592 } 3377 }
2593} 3378}
2594 3379
3380sub pidfile() {
3381 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3382 or die "$PIDFILE: $!";
3383 flock $fh, &Fcntl::LOCK_EX
3384 or die "$PIDFILE: flock: $!";
3385 $fh
3386}
3387
3388# make sure only one server instance is running at any one time
3389sub atomic {
3390 my $fh = pidfile;
3391
3392 my $pid = <$fh>;
3393 kill 9, $pid if $pid > 0;
3394
3395 seek $fh, 0, 0;
3396 print $fh $$;
3397}
3398
2595sub main { 3399sub main {
3400 cf::init_globals; # initialise logging
3401
3402 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3403 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3404 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3405 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3406
3407 cf::init_experience;
3408 cf::init_anim;
3409 cf::init_attackmess;
3410 cf::init_dynamic;
3411
3412 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3413
2596 # we must not ever block the main coroutine 3414 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3415 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3416 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3417 (async {
2600 Event::one_event; 3418 $Coro::current->{desc} = "IDLE BUG HANDLER";
3419 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3420 })->prio (Coro::PRIO_MAX);
2602 }; 3421 };
2603 3422
2604 cfg_load; 3423 evthread_start IO::AIO::poll_fileno;
3424
3425 cf::sync_job {
3426 reload_resources;
3427 reload_config;
2605 db_init; 3428 db_init;
3429
3430 cf::load_settings;
3431 cf::load_materials;
3432 cf::init_uuid;
3433 cf::init_signals;
3434 cf::init_commands;
3435 cf::init_skills;
3436
3437 cf::init_beforeplay;
3438
3439 atomic;
3440
2606 load_extensions; 3441 load_extensions;
2607 3442
2608 $TICK_WATCHER->start; 3443 utime time, time, $RUNTIMEFILE;
3444
3445 # no (long-running) fork's whatsoever before this point(!)
3446 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3447
3448 (pop @POST_INIT)->(0) while @POST_INIT;
3449 };
3450
2609 Event::loop; 3451 EV::loop;
2610} 3452}
2611 3453
2612############################################################################# 3454#############################################################################
2613# initialisation and cleanup 3455# initialisation and cleanup
2614 3456
2615# install some emergency cleanup handlers 3457# install some emergency cleanup handlers
2616BEGIN { 3458BEGIN {
3459 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3460 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3461 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3462 cf::cleanup "SIG$signal";
2625 },
2626 ); 3463 };
3464 }
3465}
3466
3467sub write_runtime_sync {
3468 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time.
3470
3471 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472
3473 my $guard = cf::lock_acquire "write_runtime";
3474
3475 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3476 or return;
3477
3478 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server.
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 # touch it again to show we are up-to-date
3490 aio_utime $fh, undef, undef;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496 and return;
3497
3498 warn "runtime file written.\n";
3499
2627 } 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_seq uuid_cur;
3518
3519 unless ($value) {
3520 warn "cowardly refusing to write zero uuid value!\n";
3521 return;
3522 }
3523
3524 my $value = uuid_str $value + $uuid_skip;
3525 $uuid_skip = 0;
3526
3527 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3528 and return;
3529
3530 # always fsync - this file is important
3531 aio_fsync $fh
3532 and return;
3533
3534 close $fh
3535 or return;
3536
3537 aio_rename "$uuid~", $uuid
3538 and return;
3539
3540 warn "uuid file written ($value).\n";
3541
3542 1
3543
3544}
3545
3546sub write_uuid($$) {
3547 my ($skip, $sync) = @_;
3548
3549 $sync ? write_uuid_sync $skip
3550 : async { write_uuid_sync $skip };
2628} 3551}
2629 3552
2630sub emergency_save() { 3553sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3554 my $freeze_guard = cf::freeze_mainloop;
2632 3555
2633 warn "enter emergency perl save\n"; 3556 warn "emergency_perl_save: enter\n";
2634 3557
2635 cf::sync_job { 3558 cf::sync_job {
3559 # this is a trade-off: we want to be very quick here, so
3560 # save all maps without fsync, and later call a global sync
3561 # (which in turn might be very very slow)
3562 local $USE_FSYNC = 0;
3563
2636 # use a peculiar iteration method to avoid tripping on perl 3564 # use a peculiar iteration method to avoid tripping on perl
2637 # refcount bugs in for. also avoids problems with players 3565 # refcount bugs in for. also avoids problems with players
2638 # and maps saved/destroyed asynchronously. 3566 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3567 warn "emergency_perl_save: begin player save\n";
2640 for my $login (keys %cf::PLAYER) { 3568 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3569 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3570 $pl->valid or next;
3571 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3572 $pl->save;
2644 } 3573 }
2645 warn "end emergency player save\n"; 3574 warn "emergency_perl_save: end player save\n";
2646 3575
2647 warn "begin emergency map save\n"; 3576 warn "emergency_perl_save: begin map save\n";
2648 for my $path (keys %cf::MAP) { 3577 for my $path (keys %cf::MAP) {
2649 my $map = $cf::MAP{$path} or next; 3578 my $map = $cf::MAP{$path} or next;
2650 $map->valid or next; 3579 $map->valid or next;
2651 $map->save; 3580 $map->save;
2652 } 3581 }
2653 warn "end emergency map save\n"; 3582 warn "emergency_perl_save: end map save\n";
2654 3583
2655 warn "begin emergency database checkpoint\n"; 3584 warn "emergency_perl_save: begin database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3585 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3586 warn "emergency_perl_save: end database checkpoint\n";
3587
3588 warn "emergency_perl_save: begin write uuid\n";
3589 write_uuid_sync 1;
3590 warn "emergency_perl_save: end write uuid\n";
2658 }; 3591 };
2659 3592
3593 warn "emergency_perl_save: starting sync()\n";
3594 IO::AIO::aio_sync sub {
3595 warn "emergency_perl_save: finished sync()\n";
3596 };
3597
2660 warn "leave emergency perl save\n"; 3598 warn "emergency_perl_save: leave\n";
2661} 3599}
2662 3600
2663sub post_cleanup { 3601sub post_cleanup {
2664 my ($make_core) = @_; 3602 my ($make_core) = @_;
2665 3603
2666 warn Carp::longmess "post_cleanup backtrace" 3604 warn Carp::longmess "post_cleanup backtrace"
2667 if $make_core; 3605 if $make_core;
3606
3607 my $fh = pidfile;
3608 unlink $PIDFILE if <$fh> == $$;
3609}
3610
3611# a safer delete_package, copied from Symbol
3612sub clear_package($) {
3613 my $pkg = shift;
3614
3615 # expand to full symbol table name if needed
3616 unless ($pkg =~ /^main::.*::$/) {
3617 $pkg = "main$pkg" if $pkg =~ /^::/;
3618 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3619 $pkg .= '::' unless $pkg =~ /::$/;
3620 }
3621
3622 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3623 my $stem_symtab = *{$stem}{HASH};
3624
3625 defined $stem_symtab and exists $stem_symtab->{$leaf}
3626 or return;
3627
3628 # clear all symbols
3629 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3630 for my $name (keys %$leaf_symtab) {
3631 _gv_clear *{"$pkg$name"};
3632# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3633 }
3634 warn "cleared package $pkg\n";#d#
2668} 3635}
2669 3636
2670sub do_reload_perl() { 3637sub do_reload_perl() {
2671 # can/must only be called in main 3638 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3639 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3640 warn "can only reload from main coroutine";
2674 return; 3641 return;
2675 } 3642 }
2676 3643
3644 return if $RELOAD++;
3645
3646 my $t1 = EV::time;
3647
3648 while ($RELOAD) {
2677 warn "reloading..."; 3649 warn "reloading...";
2678 3650
2679 warn "entering sync_job"; 3651 warn "entering sync_job";
2680 3652
2681 cf::sync_job { 3653 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3654 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3655 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3656 cf::write_runtime_sync; # external watchdog should not bark
2685 3657
2686 warn "syncing database to disk"; 3658 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3659 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3660
2689 # if anything goes wrong in here, we should simply crash as we already saved 3661 # if anything goes wrong in here, we should simply crash as we already saved
2690 3662
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695
2696 warn "flushing outstanding aio requests"; 3663 warn "flushing outstanding aio requests";
2697 for (;;) {
2698 BDB::flush;
2699 IO::AIO::flush;
2700 Coro::cede;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3664 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3665 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703 }
2704
2705 ++$RELOAD;
2706
2707 warn "cancelling all extension coros";
2708 $_->cancel for values %EXT_CORO;
2709 %EXT_CORO = ();
2710
2711 warn "removing commands";
2712 %COMMAND = ();
2713
2714 warn "removing ext commands";
2715 %EXTCMD = ();
2716
2717 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg";
2720
2721 if (my $cb = $pkg->can ("unload")) {
2722 eval {
2723 $cb->($pkg);
2724 1
2725 } or warn "$pkg unloaded, but with errors: $@";
2726 } 3666 }
2727 3667
2728 warn "... nuking $pkg"; 3668 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3669 $_->cancel for values %EXT_CORO;
2730 } 3670 %EXT_CORO = ();
2731 3671
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3672 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3673 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3674
3675 warn "removing ext/exti commands";
3676 %EXTCMD = ();
3677 %EXTICMD = ();
3678
3679 warn "unloading/nuking all extensions";
3680 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3681 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3682
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3683 if (my $cb = $pkg->can ("unload")) {
3684 eval {
2743 $cb->(); 3685 $cb->($pkg);
3686 1
3687 } or warn "$pkg unloaded, but with errors: $@";
3688 }
3689
3690 warn "... clearing $pkg";
3691 clear_package $pkg;
2744 } 3692 }
2745 3693
2746 Symbol::delete_package $k; 3694 warn "unloading all perl modules loaded from $LIBDIR";
3695 while (my ($k, $v) = each %INC) {
3696 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3697
3698 warn "... unloading $k";
3699 delete $INC{$k};
3700
3701 $k =~ s/\.pm$//;
3702 $k =~ s/\//::/g;
3703
3704 if (my $cb = $k->can ("unload_module")) {
3705 $cb->();
3706 }
3707
3708 clear_package $k;
2747 } 3709 }
2748 3710
2749 warn "getting rid of safe::, as good as possible"; 3711 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3712 clear_package "safe::$_"
2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3713 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752 3714
2753 warn "unloading cf.pm \"a bit\""; 3715 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3716 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3717 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756 3718
2757 # don't, removes xs symbols, too, 3719 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3720 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3721 #clear_package __PACKAGE__;
2760 3722
2761 warn "unload completed, starting to reload now"; 3723 warn "unload completed, starting to reload now";
2762 3724
2763 warn "reloading cf.pm"; 3725 warn "reloading cf.pm";
2764 require cf; 3726 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3727 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3728
2767 warn "loading config and database again"; 3729 warn "loading config and database again";
2768 cf::cfg_load; 3730 cf::reload_config;
2769 3731
2770 warn "loading extensions"; 3732 warn "loading extensions";
2771 cf::load_extensions; 3733 cf::load_extensions;
2772 3734
3735 if ($REATTACH_ON_RELOAD) {
2773 warn "reattaching attachments to objects/players"; 3736 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3737 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3738 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3739 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3740 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3741 reattach $_ for values %PLAYER;
3742 }
2779 3743
3744 warn "running post_init jobs";
3745 (pop @POST_INIT)->(1) while @POST_INIT;
3746
2780 warn "leaving sync_job"; 3747 warn "leaving sync_job";
2781 3748
2782 1 3749 1
2783 } or do { 3750 } or do {
2784 warn $@; 3751 warn $@;
2785 warn "error while reloading, exiting."; 3752 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3753 };
2788 3754
2789 warn "reloaded"; 3755 warn "reloaded";
3756 --$RELOAD;
3757 }
3758
3759 $t1 = EV::time - $t1;
3760 warn "reload completed in ${t1}s\n";
2790}; 3761};
2791 3762
2792our $RELOAD_WATCHER; # used only during reload 3763our $RELOAD_WATCHER; # used only during reload
2793 3764
2794sub reload_perl() { 3765sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3766 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3767 # coro crashes during coro_state_free->destroy here.
2797 3768
2798 $RELOAD_WATCHER ||= Event->timer ( 3769 $RELOAD_WATCHER ||= cf::async {
2799 reentrant => 0, 3770 Coro::AIO::aio_wait cache_extensions;
2800 after => 0, 3771
2801 data => WF_AUTOCANCEL, 3772 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802 cb => sub {
2803 do_reload_perl; 3773 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3774 undef $RELOAD_WATCHER;
2805 }, 3775 };
2806 ); 3776 };
2807} 3777}
2808 3778
2809register_command "reload" => sub { 3779register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3780 my ($who, $arg) = @_;
2811 3781
2812 if ($who->flag (FLAG_WIZ)) { 3782 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3783 $who->message ("reloading server.");
3784 async {
3785 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3786 reload_perl;
3787 };
2815 } 3788 }
2816}; 3789};
2817 3790
2818unshift @INC, $LIBDIR; 3791unshift @INC, $LIBDIR;
2819 3792
2821 3794
2822our @WAIT_FOR_TICK; 3795our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3796our @WAIT_FOR_TICK_BEGIN;
2824 3797
2825sub wait_for_tick { 3798sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3799 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3800
2829 my $signal = new Coro::Signal; 3801 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3802 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3803 $signal->wait;
2832} 3804}
2833 3805
2834sub wait_for_tick_begin { 3806sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3807 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3808
2838 my $signal = new Coro::Signal; 3809 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3810 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3811 $signal->wait;
2841} 3812}
2842 3813
2843 my $min = 1e6;#d# 3814sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3815 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3816 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3817 unless ++$bug_warning > 10;
2855 return; 3818 return;
2856 } 3819 }
2857 3820
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3821 cf::server_tick; # one server iteration
2861 3822
2862 0 && sync_job {#d# 3823 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3824 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3825 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3826 $Coro::current->{desc} = "runtime saver";
2866 or die; 3827 write_runtime_sync
2867 3828 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3829 };
3830 }
2884 3831
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3832 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3833 $sig->send;
2901 } 3834 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3835 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3836 $sig->send;
2904 } 3837 }
2905 3838
2906 $NOW = Event::time; 3839 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3840 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3841
2917 _post_tick; 3842 if (0) {
2918 3843 if ($NEXT_TICK) {
2919 3844 my $jitter = $TICK_START - $NEXT_TICK;
3845 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3846 warn "jitter $JITTER\n";#d#
3847 }
2920 }, 3848 }
2921); 3849}
2922 3850
2923{ 3851{
2924 BDB::max_poll_time $TICK * 0.1; 3852 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3853
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3854 BDB::min_parallel 8;
2934 3855 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3856 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3857
2950 unless ($DB_ENV) { 3858 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3859 $DB_ENV = BDB::db_env_create;
3860 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3861 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3862 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3863 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3864 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3865
2953 cf::sync_job { 3866 cf::sync_job {
2954 eval { 3867 eval {
2955 BDB::db_env_open 3868 BDB::db_env_open
2956 $DB_ENV, 3869 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3871 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3872 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3873 0666;
2961 3874
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3875 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3876 };
2967 3877
2968 cf::cleanup "db_env_open(db): $@" if $@; 3878 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3879 };
2970 } 3880 }
3881
3882 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3883 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3884 };
3885 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3886 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3887 };
3888 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3889 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3890 };
2971} 3891}
2972 3892
2973{ 3893{
3894 # configure IO::AIO
3895
2974 IO::AIO::min_parallel 8; 3896 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3897 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3898 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3899}
2987 3900
2988my $_log_backtrace; 3901my $_log_backtrace;
2989 3902
2990sub _log_backtrace { 3903sub _log_backtrace {
2993 $msg =~ s/\n//; 3906 $msg =~ s/\n//;
2994 3907
2995 # limit the # of concurrent backtraces 3908 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3909 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3910 ++$_log_backtrace;
3911 my $perl_bt = Carp::longmess $msg;
2998 async { 3912 async {
3913 $Coro::current->{desc} = "abt $msg";
3914
2999 my @bt = fork_call { 3915 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3916 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3917 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3918 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3919 or die "addr2line: $!";
3011 } 3927 }
3012 3928
3013 @funcs 3929 @funcs
3014 }; 3930 };
3015 3931
3016 LOG llevInfo, "[ABT] $msg\n"; 3932 LOG llevInfo, "[ABT] $perl_bt\n";
3933 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt; 3934 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace; 3935 --$_log_backtrace;
3019 }; 3936 };
3020 } else { 3937 } else {
3021 LOG llevInfo, "[ABT] $msg\n"; 3938 LOG llevInfo, "[ABT] $msg\n";
3022 LOG llevInfo, "[ABT] [suppressed]\n"; 3939 LOG llevInfo, "[ABT] [suppressed]\n";
3023 } 3940 }
3024} 3941}
3025 3942
3026# load additional modules 3943# load additional modules
3027use cf::pod; 3944require "cf/$_.pm" for @EXTRA_MODULES;
3028 3945
3029END { cf::emergency_save } 3946END { cf::emergency_save }
3030 3947
30311 39481
3032 3949

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