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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.306 by root, Sat Jul 14 14:33:30 2007 UTC vs.
Revision 1.462 by root, Tue Dec 23 06:58:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::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
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
86	our %CFG;	117	our %CFG;
87		118
88	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
90		122
91	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
94		126
95	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		129
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		138
102	binmode STDOUT;	139	binmode STDOUT;
103	binmode STDERR;	140	binmode STDERR;
104		141
105	# read virtual server time, if available	142	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
110	}	147	}
111		148
112	mkdir $_	149	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		195
159	The raw value load value from the last tick.	196	The raw value load value from the last tick.
160		197
161	=item %cf::CFG	198	=item %cf::CFG
162		199
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	201	from wherever your confdir points to.
165		202
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		204
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	206	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
172	=back	215	=back
173		216
174	=cut	217	=cut
175		218
176	BEGIN {	219	BEGIN {
…		…
180	$msg .= "\n"	223	$msg .= "\n"
181	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
182		225
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		227
185	utf8::encode $msg;
186	LOG llevError, $msg;	228	LOG llevError, $msg;
187	};	229	};
188	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
189		246
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	257	for my $pkg (qw(
201	cf::global cf::attachable	258	cf::global cf::attachable
202	cf::object cf::object::player	259	cf::object cf::object::player
203	cf::client cf::player	260	cf::client cf::player
204	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
205	cf::map cf::party cf::region	263	cf::party cf::region
206	)) {	264	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	266	}
210		267
211	$Event::DIED = sub {	268	$EV::DIED = sub {
212	warn "error in event callback: @_";	269	warn "error in event callback: @_";
213	};	270	};
214		271
215	#############################################################################	272	#############################################################################
216		273
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	297	$d
241	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
242	}	299	}
243		300
244	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
245		302
246	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
247		304
248	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
249		306
250	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
251		308
252	=cut	309	=cut
253		310
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		312
256	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
258		329
259	=item cf::lock_wait $string	330	=item cf::lock_wait $string
260		331
261	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
262		333
263	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
264		335
265	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
268	returned.	339	returned.
269		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
270	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
272		346
273	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
274		348
275	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
276		350
277	=cut	351	=cut
278		352
279	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
280		354
281	sub lock_wait($) {	355	sub lock_wait($) {
282	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	357	}
290		358
291	sub lock_acquire($) {	359	sub lock_acquire($) {
292	my ($key) = @_;	360	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	361	}
304		362
305	sub lock_active($) {	363	sub lock_active($) {
306	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	365	}
310		366
311	sub freeze_mainloop {	367	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
313		369
314	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
316	};	431	}
317	$TICK_WATCHER->stop;	432	};
318	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
319	}	446	}
320		447
321	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
322		449
323	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		455
329	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
330		457
331	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
332		459
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	463	acceptable.
337		464
338	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		471
345	sub sync_job(&) {	472	sub sync_job(&) {
346	my ($job) = @_;	473	my ($job) = @_;
347		474
348	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	476	my $time = EV::time;
350		477
351	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
353		480
354	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	482
356	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
357		484
358	my $busy = 1;	485	my $busy = 1;
359	my @res;	486	my @res;
360		487
361	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	490	@res = eval { $job->() };
363	warn $@ if $@;	491	warn $@ if $@;
364	undef $busy;	492	undef $busy;
365	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
366		494
367	while ($busy) {	495	while ($busy) {
368	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
369	}	500	}
		501	}
370		502
371	$time = Event::time - $time;	503	my $time = EV::time - $time;
372		504
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
377		506
378	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
379	} else {	508	} else {
380	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
381		510
…		…
406	=item fork_call { }, $args	535	=item fork_call { }, $args
407		536
408	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
412		541
413	=cut	542	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		543
424	sub fork_call(&@) {	544	sub fork_call(&@) {
425	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
426		546
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		550
432	if (my $pid = fork) {	551	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	552	reset_signals;
446	local $SIG{__WARN__};	553	&$cb
447	local $SIG{__DIE__};	554	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		555
454	eval {	556	wantarray ? @res : $res[-1]
455	close $fh1;	557	}
456		558
457	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
458		560
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
460	close $fh2;
461	};
462		562
463	warn $@ if $@;	563	our %coin_alias = (
464	_exit 0;	564	"silver" => "silvercoin",
465	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
466	}	584	}
467		585
468	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
469		587
470	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
473		591
474	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
477	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
478		618
479	our $DB;	619	our $DB;
480		620
481	sub db_init {	621	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	622	cf::sync_job {
486	eval {	623	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	624	};
496	}	625	}
497		626
498	sub db_get($$) {	627	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
500		629
…		…
550	if (1) {	679	if (1) {
551	$md5 =	680	$md5 =
552	join "\x00",	681	join "\x00",
553	$processversion,	682	$processversion,
554	map {	683	map {
555	Coro::cede;	684	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	686	} 0.. $#$src;
558		687
559		688
560	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		727
599	#############################################################################	728	#############################################################################
600		729
601	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
602		731
603	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
606		735
607	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	738	Deliantra).
610		739
611	=over 4	740	=over 4
612		741
613	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
614		743
…		…
658	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
659		788
660	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
662		791
663	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
665		794
666	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
667		796
668	=over 4	797	=over 4
…		…
866	";	995	";
867	die if $@;	996	die if $@;
868	}	997	}
869		998
870	our $override;	999	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1001
873	sub override {	1002	sub override {
874	$override = 1;	1003	$override = 1;
875	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
876	}	1005	}
877		1006
878	sub do_invoke {	1007	sub do_invoke {
879	my $event = shift;	1008	my $event = shift;
880	my $callbacks = shift;	1009	my $callbacks = shift;
881		1010
882	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
883		1012
884	local $override;	1013	local $override;
885		1014
886	for (@$callbacks) {	1015	for (@$callbacks) {
887	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
896	}	1025	}
897		1026
898	0	1027	0
899	}	1028	}
900		1029
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1031
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1033
905	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
906		1035
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1039
911	=back	1040	=back
912		1041
913	=cut	1042	=cut
914		1043
915	#############################################################################	1044	#############################################################################
916	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
917		1088
918	sub reattach {	1089	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1091	my ($obj) = @_;
921		1092
		1093	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1095
924	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
925		1097
926	@$registry = ();	1098	@$registry = ();
927		1099
…		…
942	cf::attachable->attach (	1114	cf::attachable->attach (
943	prio => -1000000,	1115	prio => -1000000,
944	on_instantiate => sub {	1116	on_instantiate => sub {
945	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
946		1118
947	$data = from_json $data;	1119	$data = decode_json $data;
948		1120
949	for (@$data) {	1121	for (@$data) {
950	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
951		1123
952	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1140	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
970		1142
971	sync_job {	1143	sync_job {
972	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
975		1148
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1153	aio_close $fh;
981		1154
982	if (@$objs) {	1155	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1161	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
990	}	1163	}
991	} else {	1164	} else {
992	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
993	}	1166	}
994		1167
995	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1172	} else {
997	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
998	}	1174	}
999	} else {	1175	} else {
1000	aio_unlink $filename;	1176	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1002	}	1178	}
1003	}	1179	};
1004	}	1180	}
1005		1181
1006	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1008		1184
…		…
1020	or return;	1196	or return;
1021		1197
1022	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1200	or return;
		1201
1025	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1026	}	1204	}
1027		1205
		1206	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1030	return ($data, $av);	1210	($data, $av)
1031	}	1211	}
1032		1212
1033	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1034		1214
1035	=over 4	1215	=over 4
…		…
1089	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1090		1270
1091	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1092	}	1272	}
1093		1273
		1274	use File::Glob ();
		1275
1094	cf::player->attach (	1276	cf::player->attach (
1095	on_command => sub {	1277	on_command => sub {
1096	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1097		1279
1098	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1108	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1109		1291
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1293
1112	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1118	} else {	1309	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1311	}
1121		1312
1122	cf::override;	1313	cf::override;
1123	},	1314	},
1124	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1125		1329
1126	sub load_extensions {	1330	sub load_extensions {
1127	cf::sync_job {	1331	cf::sync_job {
1128	my %todo;	1332	my %todo;
1129		1333
…		…
1149		1353
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1356
1153	$ext{source} =	1357	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1156	. $source	1360	. $source
1157	. "\n};\n1";	1361	. "\n};\n1";
1158		1362
1159	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1177		1381
1178	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1383	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1385	}
1183		1386
1184	warn $msg;	1387	warn $msg;
1185	}	1388	}
1186		1389
…		…
1200		1403
1201	=back	1404	=back
1202		1405
1203	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1204		1407
1205	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1206		1409
1207	=cut	1410	=cut
1208		1411
1209	package cf::player;	1412	package cf::player;
1210		1413
1211	use Coro::AIO;	1414	use Coro::AIO;
1212		1415
1213	=head3 cf::player	1416	=head3 cf::player
1214		1417
1215	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1216		1433
1217	=item cf::player::find $login	1434	=item cf::player::find $login
1218		1435
1219	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1220		1437
…		…
1239		1456
1240	sub exists($) {	1457	sub exists($) {
1241	my ($login) = @_;	1458	my ($login) = @_;
1242		1459
1243	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1245	}	1462	}
1246		1463
1247	sub find($) {	1464	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1466	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1477
1261	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1264	}	1487	}
1265	}	1488	}
1266	}	1489	}
1267		1490
…		…
1276	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1277		1500
1278	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1280		1503
		1504	cf::get_slot 0.01;
		1505
1281	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1282	Coro::cede;	1507	cf::cede_to_tick;
1283	}	1508	}
1284		1509
1285	sub new($) {	1510	sub new($) {
1286	my ($login) = @_;	1511	my ($login) = @_;
1287		1512
…		…
1293	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1294		1519
1295	$self	1520	$self
1296	}	1521	}
1297		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1298	=item $pl->quit_character	1533	=item $pl->quit_character
1299		1534
1300	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1302		1537
…		…
1306	my ($pl) = @_;	1541	my ($pl) = @_;
1307		1542
1308	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1309		1544
1310	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1547
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1317		1554
1318	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1592	or return [];
1356		1593
1357	my @logins;	1594	my @logins;
1358		1595
1359	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1363		1606
1364	utf8::decode $login;	1607	utf8::decode $login;
1365	push @logins, $login;	1608	push @logins, $login;
1366	}	1609	}
1367		1610
…		…
1394	}	1637	}
1395		1638
1396	\@paths	1639	\@paths
1397	}	1640	}
1398		1641
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1643
1401	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1402		1645
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1450		1647
1451	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1452		1649
1453	=cut	1650	=cut
1454		1651
1455	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1457		1654
1458	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1656	}
1461		1657
1462	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1463		1659
1464	Sends an ext event to the client.	1660	Sends an ext event to the client.
1465		1661
1466	=cut	1662	=cut
1467		1663
1468	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1470		1666
1471	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1472	}	1668	}
1473		1669
1474	=head3 cf::region	1670	=head3 cf::region
1475		1671
1476	=over 4	1672	=over 4
…		…
1520	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1522		1718
1523	sub generate_random_map {	1719	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1525	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1725	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1620	return $self;	1819	return $self;
1621	}	1820	}
1622	}	1821	}
1623		1822
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1824	()
1626	}	1825	}
1627		1826
1628	sub init {	1827	sub init {
1629	my ($self) = @_;	1828	my ($self) = @_;
…		…
1651		1850
1652	# the temporary/swap location	1851	# the temporary/swap location
1653	sub save_path {	1852	sub save_path {
1654	my ($self) = @_;	1853	my ($self) = @_;
1655		1854
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1658	}	1857	}
1659		1858
1660	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1661	sub uniq_path {	1860	sub uniq_path {
1662	my ($self) = @_;	1861	my ($self) = @_;
1663		1862
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1865	}
1676		1866
1677	sub decay_objects {	1867	sub decay_objects {
1678	my ($self) = @_;	1868	my ($self) = @_;
1679		1869
…		…
1692		1882
1693	sub load_header_from($) {	1883	sub load_header_from($) {
1694	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1695		1885
1696	utf8::encode $path;	1886	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1702		1895
1703	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1704		1897
1705	1	1898	1
1706	}	1899	}
…		…
1760	sub find {	1953	sub find {
1761	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1762		1955
1763	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1764		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1766		1960
1767	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1770	or return;	1963	or return;
1771		1964
1772	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1773		1966
…		…
1775	or return;	1968	or return;
1776		1969
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1780	$map->reset;	1975	$map->reset;
1781	undef $guard;
1782	return find $path;	1976	return find $path;
1783	}	1977	}
1784		1978
1785	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1786	}	1980	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1796		1990
1797	my $path = $self->{path};	1991	my $path = $self->{path};
1798		1992
1799	{	1993	{
1800	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1801		1995
		1996	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		1998
1804	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1805		2000
1806	$self->alloc;	2001	$self->alloc;
1807		2002
1808	$self->pre_load;	2003	$self->pre_load;
1809	Coro::cede;	2004	cf::cede_to_tick;
1810		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1812	or return;	2009	or return;
1813		2010
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1815	if delete $self->{load_original};	2012	if delete $self->{load_original};
1816		2013
1817	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2015	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2018	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1822	}	2022	}
1823	}	2023	}
1824		2024
1825	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1826	# now do the right thing for maps	2028	# now do the right thing for maps
1827	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2031	unless $self->difficulty;
1830	Coro::cede;	2032	cf::cede_to_tick;
1831		2033
1832	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2035	$self->decay_objects;
1834	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1835	$self->update_buttons;	2037	$self->update_buttons;
1836	Coro::cede;	2038	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2039	$self->activate;
1840	}	2040	}
1841		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2046	}
1844		2047
1845	$self->post_load;	2048	$self->post_load;
1846	}	2049	}
1847		2050
…		…
1856		2059
1857	$self	2060	$self
1858	}	2061	}
1859		2062
1860	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2064	sub load_neighbours {
1862	my ($map) = @_;	2065	my ($map) = @_;
1863		2066
1864	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1865		2068
1866	for (0 .. 3) {	2069	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1868	or next;	2071	or next;
1869	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1870	or next;	2073	or next;
1871	$neigh->load;	2074	$neigh->load;
1872		2075
		2076	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2079	}
1876		2080
1877	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1879	or next;	2084	or next;
1880	$neigh->load;	2085	$neigh->load;
1881	}	2086	}
1882	}	2087	}
1883		2088
…		…
1888	}	2093	}
1889		2094
1890	sub do_load_sync {	2095	sub do_load_sync {
1891	my ($map) = @_;	2096	my ($map) = @_;
1892		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1893	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1894	}	2102	}
1895		2103
1896	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1898		2106
1899	sub find_async {	2107	sub find_async {
1900	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1901		2109
1902	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1903		2111
1904	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2114	}
1907		2115
1908	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1909	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1910	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2123	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2124	$map->load if $v;
		2125	}
1915		2126
1916	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1917	}	2128	}
1918	}	2129	}
1919	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1920	};	2131	};
1921	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2135	}
1925		2136
1926	sub save {	2137	sub save {
1927	my ($self) = @_;	2138	my ($self) = @_;
1928		2139
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2141
1931	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1932		2143
1933	return unless $self->dirty;	2144	return unless $self->dirty;
1934		2145
…		…
1940	return if $self->{deny_save};	2151	return if $self->{deny_save};
1941		2152
1942	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1943		2154
1944	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1946	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1947		2161
1948	if ($uniq) {	2162	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2165	} else {
…		…
1957	my ($self) = @_;	2171	my ($self) = @_;
1958		2172
1959	# save first because save cedes	2173	# save first because save cedes
1960	$self->save;	2174	$self->save;
1961		2175
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2177
1964	return if $self->players;	2178	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2180	return if $self->{deny_save};
1967		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2186	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2187	}
1971		2188
1972	sub reset_at {	2189	sub reset_at {
1973	my ($self) = @_;	2190	my ($self) = @_;
1974		2191
…		…
2006	if $uniq;	2223	if $uniq;
2007	}	2224	}
2008		2225
2009	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2010		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2230	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2231
2015	$self->unlink_save;	2232	$self->unlink_save;
2016	$self->destroy;	2233	$self->destroy;
2017	}	2234	}
2018		2235
2019	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2020		2237
2021	sub nuke {	2238	sub nuke {
2022	my ($self) = @_;	2239	my ($self) = @_;
2023		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2024	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2025		2245
2026	$self->unlink_save;	2246	$self->unlink_save;
2027		2247
2028	bless $self, "cf::map";	2248	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2253
2034	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2035		2256
2036	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2037	}	2258	}
2038		2259
2039	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2081		2302
2082	sub unique_maps() {	2303	sub unique_maps() {
2083	[	2304	[
2084	map {	2305	map {
2085	utf8::decode $_;	2306	utf8::decode $_;
2086	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2087	? normalise $_	2310	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2312	]
2091	}	2313	}
2092		2314
2093	package cf;
2094
2095	=back	2315	=back
2096		2316
2097	=head3 cf::object	2317	=head3 cf::object
2098		2318
2099	=cut	2319	=cut
…		…
2102		2322
2103	=over 4	2323	=over 4
2104		2324
2105	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2106		2326
2107	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2108		2329
2109	=cut	2330	=cut
2110		2331
2111	sub inv_recursive_;	2332	sub inv_recursive_;
2112	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2115		2336
2116	sub inv_recursive {	2337	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2118	}	2339	}
2119		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2120	package cf;	2369	package cf;
2121		2370
2122	=back	2371	=back
2123		2372
2124	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2133		2382
2134	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2135		2398
2136	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2400	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2146		2409
2147	} else {	2410	} else {
2148	my $pl = $self->contr;	2411	my $pl = $self->contr;
2149		2412
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2416
2159	} else {	2417	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2420	}
2163	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2164	}	2432	}
2165		2433
2166	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2167		2435
2168	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2181		2449
2182	=item $player_object->enter_link	2450	=item $player_object->enter_link
2183		2451
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2453
2186	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2188		2458
2189	Will never block.	2459	Will never block.
2190		2460
2191	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2192		2462
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2250		2520
2251	$map->load;	2521	$map->load;
2252	$map->load_diag;	2522	$map->load_neighbours;
2253		2523
2254	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2526	$self->activate_recursive;
2256		2527
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2259	}	2530	}
…		…
2264	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2538	be called at the end of this process.
2268		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
		2542
2269	=cut	2543	=cut
2270		2544
2271	our $GOTOGEN;	2545	our $GOTOGEN;
2272		2546
2273	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2552
2279	$self->enter_link;	2553	$self->enter_link;
2280		2554
2281	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2282	my $map = eval {	2577	my $map = eval {
2283	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2284		2579
2285	if ($map) {	2580	if ($map) {
2286	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2288	} else {	2583	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2585	}
2291		2586
2292	$map	2587	$map
2293	};	2588	};
2294		2589
…		…
2330	}	2625	}
2331		2626
2332	sub prepare_random_map {	2627	sub prepare_random_map {
2333	my ($exit) = @_;	2628	my ($exit) = @_;
2334		2629
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2632	# that depends on the exit object
2340		2633
2341	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2636	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2348	}	2643	}
2349		2644
2350	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2351		2646
2352	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2355		2650
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2653	undef $fh;
2359	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2360		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2363	}	2662	}
2364	}	2663	}
2365		2664
2366	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2368		2667
2369	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2370		2669
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2670	$self->enter_link;
2383		2671
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2672	(async {
2389	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2390	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2391	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2392		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2393	1;	2696	1
2394	}) {	2697	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2702
2400	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2419		2722
2420	utf8::encode $text;	2723	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2725	}
2423		2726
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2728
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2729	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2730	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2430		2733
2431	=cut	2734	=cut
2432		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
2433	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2435		2804
2436	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
2437		2829
2438	return unless @extra || length $msg;	2830	return unless @extra || length $msg;
2439		2831
2440	if ($self->can_msg) {	2832	if ($self->can_msg) {
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
2442	} else {	2853	} else {
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452
2453	if ($color >= 0) {	2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
2454	if (0 && $msg =~ /\[/) {	2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
2456	} else {	2872	} else {
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")	2874	$self->send_packet ("drawinfo $color $msg")
2459	}	2875	}
2460	}	2876	}
2461	}	2877	}
2462	}	2878	}
2463		2879
2464	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2465		2881
2466	Sends an ext event to the client.	2882	Sends an ext event to the client.
2467		2883
2468	=cut	2884	=cut
2469		2885
2470	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2472		2888
2473	return unless $self->extcmd;	2889	if ($self->extcmd == 2) {
2474		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2477	}	2913	}
2478		2914
2479	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2480		2916
2481	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	2972	my ($ns, $buf) = @_;
2537		2973
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		2975
2540	if (ref $msg) {	2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2984	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	2985	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
2547	} else {	2991	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	2993	}
2550		2994
2551	cf::override;	2995	cf::override;
…		…
2598	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2600		3044
2601	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2602		3046
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2604		3052
2605	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2606		3054
2607	=pod	3055	=pod
2608		3056
2609	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2610		3058
2611	cf::object	3059	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3060	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3061	insert remove name archname title slaying race decrease split
2614		3062
2615	cf::object::player	3063	cf::object::player
2616	player	3064	player
2617		3065
2618	cf::player	3066	cf::player
…		…
2623		3071
2624	=cut	3072	=cut
2625		3073
2626	for (	3074	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2629	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2631	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2632	) {	3081	) {
2633	no strict 'refs';	3082	no strict 'refs';
…		…
2709	# the server's init and main functions	3158	# the server's init and main functions
2710		3159
2711	sub load_facedata($) {	3160	sub load_facedata($) {
2712	my ($path) = @_;	3161	my ($path) = @_;
2713		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2714	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2715		3170
2716	my $facedata;	3171	my $facedata;
2717	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3173	or die "$path: $!";
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2721		3176
2722	$facedata->{version} == 2	3177	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2725	{	3187	{
2726	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2727		3189
2728	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2730	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2734		3197
2735	cf::cede_to_tick;	3198	cf::cede_to_tick;
2736	}	3199	}
2737		3200
2738	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2740	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2741	or next;	3205	or next;
		3206
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3210	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2763		3228
2764	{	3229	{
2765	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3233
2770	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3235	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776	my $data = pack "(w/a*)*", $meta, $info->{data};
2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2778
2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2780	cf::face::set_type $idx, 1;	3253	cf::face::set_type $idx, $info->{type};
2781	cf::face::set_data $idx, 0, $data, $chk;	3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
2782		3257
2783	cf::cede_to_tick;	3258	cf::cede_to_tick;
2784	}	3259	}
2785	}	3260	}
2786		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2787	1	3264	1
2788	}	3265	}
2789		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2790	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2791	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2792	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2793		3312
2794	for (cf::region::list) {	3313	for (cf::region::list) {
2795	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2803	}	3322	}
2804		3323
2805	sub reload_archetypes {	3324	sub reload_archetypes {
2806	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2808	#d# NEED to laod twice to resolve forward references
2809	# this really needs to be done in an extra post-pass
2810	# (which needs to be synchronous, so solve it differently)
2811	load_resource_file "$DATADIR/archetypes"
2812	or die "unable to load archetypes\n";
2813	}	3327	}
2814		3328
2815	sub reload_treasures {	3329	sub reload_treasures {
2816	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2817	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2818	}	3332	}
2819		3333
2820	sub reload_resources {	3334	sub reload_resources {
2821	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2822		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2823	reload_regions;	3339	reload_regions;
2824	reload_facedata;
2825	#reload_archetypes;#d#
2826	reload_archetypes;
2827	reload_treasures;	3340	reload_treasures;
2828		3341
2829	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2830	}	3343	}
2831		3344
2832	sub init {	3345	sub reload_config {
2833	reload_resources;
2834	}
2835
2836	sub cfg_load {
2837	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2838	or return;	3347	or return;
2839		3348
2840	local $/;	3349	local $/;
2841	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2842		3351
2843	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2844		3353
2845	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2846	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2852	};	3361	};
2853	warn $@ if $@;	3362	warn $@ if $@;
2854	}	3363	}
2855	}	3364	}
2856		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2857	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2858	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2859	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2860	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2861	(async {	3403	(async {
2862	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2863	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2864	};	3407	};
2865		3408
2866	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2867	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2868	load_extensions;	3427	load_extensions;
2869		3428
2870	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2871	Event::loop;	3437	EV::loop;
2872	}	3438	}
2873		3439
2874	#############################################################################	3440	#############################################################################
2875	# initialisation and cleanup	3441	# initialisation and cleanup
2876		3442
2877	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2878	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2879	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2880	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2881	reentrant => 0,
2882	data => WF_AUTOCANCEL,
2883	signal => $signal,
2884	prio => 0,
2885	cb => sub {
2886	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2887	},
2888	);	3449	};
2889	}	3450	}
2890	}	3451	}
2891		3452
2892	sub write_runtime {	3453	sub write_runtime_sync {
2893	my $runtime = "$LOCALDIR/runtime";
2894
2895	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
2896	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
2897		3456
2898	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2899		3458
2900	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
2901		3460
2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2903	or return;	3462	or return;
2904		3463
2905	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
2906	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
2907	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
2917	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
2918		3477
2919	close $fh	3478	close $fh
2920	or return;	3479	or return;
2921		3480
2922	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2923	and return;	3482	and return;
2924		3483
2925	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
2926		3485
2927	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2928	}	3537	}
2929		3538
2930	sub emergency_save() {	3539	sub emergency_save() {
2931	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2932		3541
2933	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2934		3543
2935	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2936	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2937	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2938	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2939	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2940	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2941	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2942	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2943	$pl->save;	3558	$pl->save;
2944	}	3559	}
2945	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2946		3561
2947	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2948	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2949	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2950	$map->valid or next;	3565	$map->valid or next;
2951	$map->save;	3566	$map->save;
2952	}	3567	}
2953	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2954		3569
2955	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2956	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2957	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2958	};	3577	};
2959		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2960	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2961	}	3585	}
2962		3586
2963	sub post_cleanup {	3587	sub post_cleanup {
2964	my ($make_core) = @_;	3588	my ($make_core) = @_;
2965		3589
2966	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2967	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2968	}	3621	}
2969		3622
2970	sub do_reload_perl() {	3623	sub do_reload_perl() {
2971	# can/must only be called in main	3624	# can/must only be called in main
2972	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2973	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2974	return;	3627	return;
2975	}	3628	}
2976		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2977	warn "reloading...";	3635	warn "reloading...";
2978		3636
2979	warn "entering sync_job";	3637	warn "entering sync_job";
2980		3638
2981	cf::sync_job {	3639	cf::sync_job {
2982	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2983	cf::emergency_save;	3641	cf::emergency_save;
2984	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2985		3643
2986	warn "syncing database to disk";	3644	warn "syncing database to disk";
2987	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2988		3646
2989	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2990		3648
2991	warn "cancelling all WF_AUTOCANCEL watchers";
2992	for (Event::all_watchers) {
2993	$_->cancel if $_->data & WF_AUTOCANCEL;
2994	}
2995
2996	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2997	for (;;) {
2998	BDB::flush;
2999	IO::AIO::flush;
3000	Coro::cede;
3001	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3002	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3003	}
3004
3005	++$RELOAD;
3006
3007	warn "cancelling all extension coros";
3008	$_->cancel for values %EXT_CORO;
3009	%EXT_CORO = ();
3010
3011	warn "removing commands";
3012	%COMMAND = ();
3013
3014	warn "removing ext/exti commands";
3015	%EXTCMD = ();
3016	%EXTICMD = ();
3017
3018	warn "unloading/nuking all extensions";
3019	for my $pkg (@EXTS) {
3020	warn "... unloading $pkg";
3021
3022	if (my $cb = $pkg->can ("unload")) {
3023	eval {
3024	$cb->($pkg);
3025	1
3026	} or warn "$pkg unloaded, but with errors: $@";
3027	}	3652	}
3028		3653
3029	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3030	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3031	}	3656	%EXT_CORO = ();
3032		3657
3033	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3034	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3036		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3037	warn "... unloading $k";	3667	warn "... unloading $pkg";
3038	delete $INC{$k};
3039		3668
3040	$k =~ s/\.pm$//;
3041	$k =~ s/\//::/g;
3042
3043	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3044	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3045	}	3678	}
3046		3679
3047	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3048	}	3695	}
3049		3696
3050	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3051	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3053		3700
3054	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3055	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3056	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/pod.pm"};
3057		3704
3058	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3059	# and global variables created in xs	3706	# and global variables created in xs
3060	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3061		3708
3062	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3063		3710
3064	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3065	require cf;	3712	require cf;
3066	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3067		3714
3068	warn "loading config and database again";	3715	warn "loading config and database again";
3069	cf::cfg_load;	3716	cf::reload_config;
3070		3717
3071	warn "loading extensions";	3718	warn "loading extensions";
3072	cf::load_extensions;	3719	cf::load_extensions;
3073		3720
		3721	if ($REATTACH_ON_RELOAD) {
3074	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3075	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3076	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3077	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3078	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3079	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3080		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3081	warn "leaving sync_job";	3733	warn "leaving sync_job";
3082		3734
3083	1	3735	1
3084	} or do {	3736	} or do {
3085	warn $@;	3737	warn $@;
3086	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3087	exit 1;
3088	};	3739	};
3089		3740
3090	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3091	};	3747	};
3092		3748
3093	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3094		3750
3095	sub reload_perl() {	3751	sub reload_perl() {
3096	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3097	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3098		3754
3099	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3100	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3101	after => 0,	3757
3102	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3103	cb => sub {
3104	do_reload_perl;	3759	do_reload_perl;
3105	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3106	},	3761	};
3107	);	3762	};
3108	}	3763	}
3109		3764
3110	register_command "reload" => sub {	3765	register_command "reload" => sub {
3111	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3112		3767
3113	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3114	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3115	async { reload_perl };	3772	reload_perl;
		3773	};
3116	}	3774	}
3117	};	3775	};
3118		3776
3119	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3120		3778
…		…
3122		3780
3123	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3124	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3125		3783
3126	sub wait_for_tick {	3784	sub wait_for_tick {
3127	return unless $TICK_WATCHER->is_active;
3128	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3129		3786
3130	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3131	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3132	$signal->wait;	3789	$signal->wait;
3133	}	3790	}
3134		3791
3135	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3136	return unless $TICK_WATCHER->is_active;
3137	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3138		3794
3139	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3140	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3141	$signal->wait;	3797	$signal->wait;
3142	}	3798	}
3143		3799
3144	my $min = 1e6;#d#	3800	sub tick {
3145	my $avg = 10;
3146	$TICK_WATCHER = Event->timer (
3147	reentrant => 0,
3148	parked => 1,
3149	prio => 0,
3150	at => $NEXT_TICK || $TICK,
3151	data => WF_AUTOCANCEL,
3152	cb => sub {
3153	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3155	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3156	return;	3804	return;
3157	}	3805	}
3158		3806
3159	$NOW = $tick_start = Event::time;
3160
3161	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3162		3808
3163	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3164	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3165	my $t = Event::time;	3811	Coro::async_pool {
3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3167	or die;	3813	write_runtime_sync
3168		3814	or warn "ERROR: unable to write runtime file: $!";
3169	$map->width (50);
3170	$map->height (50);
3171	$map->alloc;
3172	$map->_load_objects ("/tmp/x.map", 1);
3173	my $t = Event::time - $t;
3174
3175	#next unless $t < 0.0013;#d#
3176	if ($t < $min) {
3177	$min = $t;
3178	}
3179	$avg = $avg * 0.99 + $t * 0.01;
3180	}
3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3182	exit 0;
3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3184	};	3815	};
		3816	}
3185		3817
3186	$RUNTIME += $TICK;
3187	$NEXT_TICK += $TICK;
3188
3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
3191	Coro::async_pool {
3192	write_runtime
3193	or warn "ERROR: unable to write runtime file: $!";
3194	};
3195	}
3196
3197	# my $AFTER = Event::time;
3198	# warn $AFTER - $NOW;#d#
3199
3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3201	$sig->send;	3819	$sig->send;
3202	}	3820	}
3203	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3204	$sig->send;	3822	$sig->send;
3205	}	3823	}
3206		3824
3207	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3208
3209	# if we are delayed by four ticks or more, skip them all
3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3211
3212	$TICK_WATCHER->at ($NEXT_TICK);
3213	$TICK_WATCHER->start;
3214
3215	$LOAD = ($NOW - $tick_start) / $TICK;
3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3217		3827
3218	_post_tick;	3828	if (0) {
3219		3829	if ($NEXT_TICK) {
3220		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3221	},	3834	}
3222	);	3835	}
3223		3836
3224	{	3837	{
3225	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3226	$BDB_POLL_WATCHER = Event->io (	3839
3227	reentrant => 0,
3228	fd => BDB::poll_fileno,
3229	poll => 'r',
3230	prio => 0,
3231	data => WF_AUTOCANCEL,
3232	cb => \&BDB::poll_cb,
3233	);
3234	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3235		3841	BDB::max_poll_reqs $TICK * 0.1;
3236	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3237	my $status;
3238	my $current = $Coro::current;
3239	(
3240	sub {
3241	$status = $!;
3242	$current->ready; undef $current;
3243	},
3244	sub {
3245	Coro::schedule while defined $current;
3246	$! = $status;
3247	},
3248	)
3249	};
3250		3843
3251	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3252	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3253		3851
3254	cf::sync_job {	3852	cf::sync_job {
3255	eval {	3853	eval {
3256	BDB::db_env_open	3854	BDB::db_env_open
3257	$DB_ENV,	3855	$DB_ENV,
…		…
3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3261	0666;	3859	0666;
3262		3860
3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3264
3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3266	$DB_ENV->set_lk_detect;
3267	};	3862	};
3268		3863
3269	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3270	};	3865	};
3271	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3272	}	3877	}
3273		3878
3274	{	3879	{
		3880	# configure IO::AIO
		3881
3275	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3276
3277	undef $Coro::AIO::WATCHER;
3278	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3279	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3280	reentrant => 0,
3281	data => WF_AUTOCANCEL,
3282	fd => IO::AIO::poll_fileno,
3283	poll => 'r',
3284	prio => 6,
3285	cb => \&IO::AIO::poll_cb,
3286	);
3287	}	3885	}
3288		3886
3289	my $_log_backtrace;	3887	my $_log_backtrace;
3290		3888
3291	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3294	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3295		3893
3296	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3297	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3298	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3299	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3300	my @bt = fork_call {	3901	my @bt = fork_call {
3301	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3304	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3312	}	3913	}
3313		3914
3314	@funcs	3915	@funcs
3315	};	3916	};
3316		3917
3317	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3318	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3319	--$_log_backtrace;	3921	--$_log_backtrace;
3320	};	3922	};
3321	} else {	3923	} else {
3322	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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