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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.475 by root, Tue Jul 21 06:17:00 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
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 qw(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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
71		109
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	112	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
82		121
83	our %CFG;	122	our %CFG;
84		123
85	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
87		127
88	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
91		131
92	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		134
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
98		144
99	binmode STDOUT;	145	binmode STDOUT;
100	binmode STDERR;	146	binmode STDERR;
101		147
102	# read virtual server time, if available	148	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
107	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
108		156
109	mkdir $_	157	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		159
112	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
155		203
156	The raw value load value from the last tick.	204	The raw value load value from the last tick.
157		205
158	=item %cf::CFG	206	=item %cf::CFG
159		207
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	209	from wherever your confdir points to.
162		210
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		212
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	214	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
169	=back	223	=back
170		224
171	=cut	225	=cut
172		226
173	BEGIN {	227	BEGIN {
…		…
177	$msg .= "\n"	231	$msg .= "\n"
178	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
179		233
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		235
182	utf8::encode $msg;
183	LOG llevError, $msg;	236	LOG llevError, $msg;
184	};	237	};
185	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
186		254
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	265	for my $pkg (qw(
198	cf::global cf::attachable	266	cf::global cf::attachable
199	cf::object cf::object::player	267	cf::object cf::object::player
200	cf::client cf::player	268	cf::client cf::player
201	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
202	cf::map cf::party cf::region	271	cf::party cf::region
203	)) {	272	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	274	}
207		275
208	$Event::DIED = sub {	276	$EV::DIED = sub {
209	warn "error in event callback: @_";	277	warn "error in event callback: @_";
210	};	278	};
		279
		280	#############################################################################
211		281
212	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
213		283
214	=over 4	284	=over 4
215		285
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	305	$d
236	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
237	}	307	}
238		308
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
242		310
243	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
244		312
245	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
246		314
247	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
248		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
249	=item cf::lock_wait $string	338	=item cf::lock_wait $string
250		339
251	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
252		341
253	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
254		343
255	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
258	returned.	347	returned.
259		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
260	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
262		354
263	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
264		356
265	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
266		358
267	=cut	359	=cut
268		360
269	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
270		362
271	sub lock_wait($) {	363	sub lock_wait($) {
272	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	365	}
280		366
281	sub lock_acquire($) {	367	sub lock_acquire($) {
282	my ($key) = @_;	368	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	369	}
294		370
295	sub lock_active($) {	371	sub lock_active($) {
296	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	373	}
300		374
301	sub freeze_mainloop {	375	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
303		377
304	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
306	};	439	}
307	$TICK_WATCHER->stop;	440	};
308	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
309	}	454	}
310		455
311	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
312		457
313	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		463
319	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
320		465
321	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
322		467
323	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
326		472
327	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
330	fast or be very important.	476	fast or be very important.
…		…
333		479
334	sub sync_job(&) {	480	sub sync_job(&) {
335	my ($job) = @_;	481	my ($job) = @_;
336		482
337	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	484	my $time = EV::time;
339		485
340	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
342		488
343	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	490
345	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
346		492
347	my $busy = 1;	493	my $busy = 1;
348	my @res;	494	my @res;
349		495
350	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	498	@res = eval { $job->() };
352	warn $@ if $@;	499	warn $@ if $@;
353	undef $busy;	500	undef $busy;
354	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
355		502
356	while ($busy) {	503	while ($busy) {
357	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
358	}	508	}
		509	}
359		510
360	$time = Event::time - $time;	511	my $time = EV::time - $time;
361		512
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
366		514
367	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
368	} else {	516	} else {
369	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
370		518
…		…
390	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
391		539
392	$coro	540	$coro
393	}	541	}
394		542
395	sub write_runtime {	543	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		544
398	# first touch the runtime file to show we are still running:	545	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
400		549
401	IO::AIO::aio_utime $runtime, undef, undef;	550	=cut
402		551
403	my $guard = cf::lock_acquire "write_runtime";	552	sub fork_call(&@) {
		553	my ($cb, @args) = @_;
404		554
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	555	# we seemingly have to make a local copy of the whole thing,
406	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
407		558
408	my $value = $cf::RUNTIME + 90 + 10;	559	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	560	reset_signals;
410	# 60 allows for the watchdog to kill the server.	561	&$cb
		562	}, @args;
411		563
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	564	wantarray ? @res : $res[-1]
413	and return;	565	}
414		566
415	# always fsync - this file is important	567	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		568
419	# touch it again to show we are up-to-date	569	=cut
420	aio_utime $fh, undef, undef;
421		570
422	close $fh	571	our %coin_alias = (
423	or return;	572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
424		587
425	aio_rename "$runtime~", $runtime	588	sub coin_from_name($) {
426	and return;	589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
427		593
428	warn "runtime file written.\n";	594	=item $value = cf::db_get $family => $key
429		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
430	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
431	}	719	}
432		720
433	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
434		722
435	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		735
448	#############################################################################	736	#############################################################################
449		737
450	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
451		739
452	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
455		743
456	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	746	Deliantra).
459		747
460	=over 4	748	=over 4
461		749
462	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
463		751
…		…
507	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
508		796
509	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
511		799
512	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
514		802
515	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
516		804
517	=over 4	805	=over 4
…		…
665	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
666	}	954	}
667		955
668	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
669	} else {	957	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	959	}
672		960
673	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
674	}	962	}
675		963
…		…
715	";	1003	";
716	die if $@;	1004	die if $@;
717	}	1005	}
718		1006
719	our $override;	1007	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1009
722	sub override {	1010	sub override {
723	$override = 1;	1011	$override = 1;
724	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
725	}	1013	}
726		1014
727	sub do_invoke {	1015	sub do_invoke {
728	my $event = shift;	1016	my $event = shift;
729	my $callbacks = shift;	1017	my $callbacks = shift;
730		1018
731	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
732		1020
733	local $override;	1021	local $override;
734		1022
735	for (@$callbacks) {	1023	for (@$callbacks) {
736	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
745	}	1033	}
746		1034
747	0	1035	0
748	}	1036	}
749		1037
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1039
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1041
754	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
755		1043
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1047
760	=back	1048	=back
761		1049
762	=cut	1050	=cut
763		1051
764	#############################################################################	1052	#############################################################################
765	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
766		1096
767	sub reattach {	1097	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1099	my ($obj) = @_;
770		1100
		1101	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1103
773	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
774		1105
775	@$registry = ();	1106	@$registry = ();
776		1107
…		…
791	cf::attachable->attach (	1122	cf::attachable->attach (
792	prio => -1000000,	1123	prio => -1000000,
793	on_instantiate => sub {	1124	on_instantiate => sub {
794	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
795		1126
796	$data = from_json $data;	1127	$data = decode_json $data;
797		1128
798	for (@$data) {	1129	for (@$data) {
799	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
800		1131
801	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1148	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
819		1150
820	sync_job {	1151	sync_job {
821	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
824		1156
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
829	close $fh;	1164	aio_close $fh;
830		1165
831	if (@$objs) {	1166	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
837	close $fh;	1175	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
839	}	1177	}
840	} else {	1178	} else {
841	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
842	}	1180	}
843		1181
844	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1186	} else {
846	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
847	}	1188	}
848	} else {	1189	} else {
849	aio_unlink $filename;	1190	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
851	}	1192	}
852	}	1193	};
853	}	1194	}
854		1195
855	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
857		1198
…		…
869	or return;	1210	or return;
870		1211
871	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
873	or return;	1214	or return;
		1215
874	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
875	}	1218	}
876		1219
		1220	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
879	return ($data, $av);	1224	($data, $av)
880	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
881		1232
882	#############################################################################	1233	#############################################################################
883	# command handling &c	1234	# command handling &c
884		1235
885	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1250	}
900		1251
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1253
903	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
904		1259
905	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
906	called.	1261	called.
907		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
908	=cut	1274	=cut
909		1275
910	sub register_extcmd {	1276	sub register_extcmd {
911	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
912		1278
913	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
914	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
915		1289
916	cf::player->attach (	1290	cf::player->attach (
917	on_command => sub {	1291	on_command => sub {
918	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
919		1293
…		…
927	cf::override;	1301	cf::override;
928	},	1302	},
929	on_extcmd => sub {	1303	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
931		1305
932	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1307
934	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
940	} else {	1323	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1325	}
943		1326
944	cf::override;	1327	cf::override;
945	},	1328	},
946	);	1329	);
947		1330
		1331	# "readahead" all extensions
948	sub load_extension {	1332	sub cache_extensions {
949	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
950		1334
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1338	}
976	die $@;
977	}	1339	};
978		1340
979	push @EXTS, $pkg;	1341	$grp
980	}	1342	}
981		1343
982	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
983	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1349	next unless -r $path;
985	eval {	1350
986	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
987	1	1407	}
988	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
989	}	1413	};
990	}	1414	}
991		1415
992	#############################################################################	1416	#############################################################################
993		1417
		1418	=back
		1419
994	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
995		1421
996	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
997		1423
998	=cut	1424	=cut
999		1425
1000	package cf::player;	1426	package cf::player;
1001		1427
1002	use Coro::AIO;	1428	use Coro::AIO;
1003		1429
1004	=head3 cf::player	1430	=head3 cf::player
1005		1431
1006	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1007		1447
1008	=item cf::player::find $login	1448	=item cf::player::find $login
1009		1449
1010	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1011		1451
…		…
1030		1470
1031	sub exists($) {	1471	sub exists($) {
1032	my ($login) = @_;	1472	my ($login) = @_;
1033		1473
1034	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1036	}	1476	}
1037		1477
1038	sub find($) {	1478	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1480	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1491
1052	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1055	}	1501	}
1056	}	1502	}
1057	}	1503	}
1058		1504
…		…
1067	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1068		1514
1069	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1071		1517
		1518	cf::get_slot 0.01;
		1519
1072	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1073	Coro::cede;	1521	cf::cede_to_tick;
1074	}	1522	}
1075		1523
1076	sub new($) {	1524	sub new($) {
1077	my ($login) = @_;	1525	my ($login) = @_;
1078		1526
…		…
1084	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1085		1533
1086	$self	1534	$self
1087	}	1535	}
1088		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1089	=item $pl->quit_character	1547	=item $pl->quit_character
1090		1548
1091	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1093		1551
…		…
1097	my ($pl) = @_;	1555	my ($pl) = @_;
1098		1556
1099	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1100		1558
1101	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1561
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1108		1568
1109	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1606	or return [];
1147		1607
1148	my @logins;	1608	my @logins;
1149		1609
1150	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1154		1620
1155	utf8::decode $login;	1621	utf8::decode $login;
1156	push @logins, $login;	1622	push @logins, $login;
1157	}	1623	}
1158		1624
…		…
1185	}	1651	}
1186		1652
1187	\@paths	1653	\@paths
1188	}	1654	}
1189		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1190	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1191		1661
1192	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1193		1663
1194	=cut	1664	=cut
1195		1665
1196	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1198		1668
1199	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1670	}
1203		1671
1204	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1205		1673
1206	Sends an ext event to the client.	1674	Sends an ext event to the client.
1207		1675
1208	=cut	1676	=cut
1209		1677
1210	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1212		1680
1213	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1214	}	1682	}
1215		1683
1216	=head3 cf::region	1684	=head3 cf::region
1217		1685
1218	=over 4	1686	=over 4
…		…
1221		1689
1222	package cf::region;	1690	package cf::region;
1223		1691
1224	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1225		1693
1226	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1227		1695
1228	=cut	1696	=cut
1229		1697
1230	sub find_by_path($) {	1698	sub find_by_path($) {
1231	my ($path) = @_;	1699	my ($path) = @_;
1232		1700
1233	my ($match, $specificity);	1701	my ($match, $specificity);
1234		1702
1235	for my $region (list) {	1703	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1239	}	1707	}
1240	}	1708	}
1241		1709
…		…
1262	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1264		1732
1265	sub generate_random_map {	1733	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1267	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1739	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1306		1777
1307	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1308	local $self->{path};	1779	local $self->{path};
1309	local $self->{load_path};	1780	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1781
1313	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1314	}	1783	}
1315		1784
1316	sub normalise {	1785	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1364	return $self;	1833	return $self;
1365	}	1834	}
1366	}	1835	}
1367		1836
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1838	()
1370	}	1839	}
1371		1840
1372	sub init {	1841	sub init {
1373	my ($self) = @_;	1842	my ($self) = @_;
…		…
1395		1864
1396	# the temporary/swap location	1865	# the temporary/swap location
1397	sub save_path {	1866	sub save_path {
1398	my ($self) = @_;	1867	my ($self) = @_;
1399		1868
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1402	}	1871	}
1403		1872
1404	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1405	sub uniq_path {	1874	sub uniq_path {
1406	my ($self) = @_;	1875	my ($self) = @_;
1407		1876
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1410	}	1879	}
1411		1880
1412	# and all this just because we cannot iterate over	1881	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1882	my ($self) = @_;
1416		1883
1417	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1419	}	1887	}
1420		1888
1421	sub unlink_save {	1889	sub unlink_save {
1422	my ($self) = @_;	1890	my ($self) = @_;
1423		1891
…		…
1428		1896
1429	sub load_header_from($) {	1897	sub load_header_from($) {
1430	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1431		1899
1432	utf8::encode $path;	1900	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1438		1909
1439	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1440		1911
1441	1	1912	1
1442	}	1913	}
…		…
1481	$self->load_header_orig	1952	$self->load_header_orig
1482	or return;	1953	or return;
1483	$self->prepare_orig;	1954	$self->prepare_orig;
1484	}	1955	}
1485		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1486	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1961	unless $self->default_region;
1488		1962
1489	1	1963	1
1490	}	1964	}
…		…
1493	sub find {	1967	sub find {
1494	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1495		1969
1496	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1497		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1974
1500	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1503	or return;	1977	or return;
1504		1978
1505	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1506		1980
1507	$map->load_header	1981	$map->load_header
1508	or return;	1982	or return;
1509		1983
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1513	$map->reset;	1989	$map->reset;
1514	undef $guard;
1515	return find $path;	1990	return find $path;
1516	}	1991	}
1517		1992
1518	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1519	}	1994	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1529		2004
1530	my $path = $self->{path};	2005	my $path = $self->{path};
1531		2006
1532	{	2007	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1534		2009
		2010	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2012
1537	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1538		2014
1539	$self->alloc;	2015	$self->alloc;
1540		2016
1541	$self->pre_load;	2017	$self->pre_load;
1542	Coro::cede;	2018	cf::cede_to_tick;
1543		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1545	or return;	2023	or return;
1546		2024
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1548	if delete $self->{load_original};	2026	if delete $self->{load_original};
1549		2027
1550	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2029	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2032	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1555	}	2036	}
1556	}	2037	}
1557		2038
1558	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1559	# now do the right thing for maps	2042	# now do the right thing for maps
1560	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2045	unless $self->difficulty;
1563	Coro::cede;	2046	cf::cede_to_tick;
1564		2047
1565	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2049	$self->decay_objects;
1567	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1568	$self->update_buttons;	2051	$self->update_buttons;
1569	Coro::cede;	2052	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2053	$self->activate;
1573	}	2054	}
1574		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2060	}
1577		2061
1578	$self->post_load;	2062	$self->post_load;
1579	}	2063	}
1580		2064
…		…
1582	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1583		2067
1584	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2069	if $self->per_player;
1586		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1587	$self	2074	$self
1588	}	2075	}
1589		2076
1590	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2078	sub load_neighbours {
1592	my ($map) = @_;	2079	my ($map) = @_;
1593		2080
1594	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1595		2082
1596	for (0 .. 3) {	2083	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1598	or next;	2085	or next;
1599	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1600	or next;	2087	or next;
1601	$neigh->load;	2088	$neigh->load;
1602		2089
		2090	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2093	}
1606		2094
1607	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1609	or next;	2098	or next;
1610	$neigh->load;	2099	$neigh->load;
1611	}	2100	}
1612	}	2101	}
1613		2102
…		…
1618	}	2107	}
1619		2108
1620	sub do_load_sync {	2109	sub do_load_sync {
1621	my ($map) = @_;	2110	my ($map) = @_;
1622		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1623	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1624	}	2116	}
1625		2117
1626	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1628		2120
1629	sub find_async {	2121	sub find_async {
1630	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1631		2123
1632	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1633		2125
1634	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2128	}
1637		2129
1638	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1639	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1640	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2137	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2138	$map->load if $v;
		2139	}
1645		2140
1646	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1647	}	2142	}
1648	}	2143	}
1649	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1650	};	2145	};
1651	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2149	}
1655		2150
1656	sub save {	2151	sub save {
1657	my ($self) = @_;	2152	my ($self) = @_;
1658		2153
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2155
1661	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1662		2157
1663	return unless $self->dirty;	2158	return unless $self->dirty;
1664		2159
…		…
1670	return if $self->{deny_save};	2165	return if $self->{deny_save};
1671		2166
1672	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1673		2168
1674	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1676	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1677		2175
1678	if ($uniq) {	2176	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2179	} else {
…		…
1687	my ($self) = @_;	2185	my ($self) = @_;
1688		2186
1689	# save first because save cedes	2187	# save first because save cedes
1690	$self->save;	2188	$self->save;
1691		2189
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2191
1694	return if $self->players;	2192	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2194	return if $self->{deny_save};
1697		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2200	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2201	}
1701		2202
1702	sub reset_at {	2203	sub reset_at {
1703	my ($self) = @_;	2204	my ($self) = @_;
1704		2205
1705	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1708		2208
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2211
…		…
1722	my ($self) = @_;	2222	my ($self) = @_;
1723		2223
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2225
1726	return if $self->players;	2226	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2227
1729	warn "resetting map ", $self->path;	2228	warn "resetting map ", $self->path;
1730		2229
1731	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1732		2231
…		…
1738	if $uniq;	2237	if $uniq;
1739	}	2238	}
1740		2239
1741	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1742		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2244	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2245
1747	$self->unlink_save;	2246	$self->unlink_save;
1748	$self->destroy;	2247	$self->destroy;
1749	}	2248	}
1750		2249
1751	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1752		2251
1753	sub nuke {	2252	sub nuke {
1754	my ($self) = @_;	2253	my ($self) = @_;
1755		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1756	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1757		2259
1758	$self->unlink_save;	2260	$self->unlink_save;
1759		2261
1760	bless $self, "cf::map";	2262	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2267
1766	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1767		2270
1768	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1769	}	2308	}
1770		2309
1771	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1772		2311
1773	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2313	instantiated unique items. May block.
1775		2314
1776	=cut	2315	=cut
1777		2316
1778	sub unique_maps() {	2317	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2318	[
1780	or return;	2319	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2320	utf8::decode $_;
1786	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2323	? ()
1789	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2326	]
1791
1792	\@paths
1793	}	2327	}
1794
1795	package cf;
1796		2328
1797	=back	2329	=back
1798		2330
1799	=head3 cf::object	2331	=head3 cf::object
1800		2332
…		…
1804		2336
1805	=over 4	2337	=over 4
1806		2338
1807	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1808		2340
1809	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1810		2343
1811	=cut	2344	=cut
1812		2345
1813	sub inv_recursive_;	2346	sub inv_recursive_;
1814	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1817		2350
1818	sub inv_recursive {	2351	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1820	}	2353	}
1821		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1822	package cf;	2383	package cf;
1823		2384
1824	=back	2385	=back
1825		2386
1826	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1835		2396
1836	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1837		2412
1838	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2414	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1843		2418
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2420
1846	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1848	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1851	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1852	}	2446	}
1853		2447
1854	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1855		2449
1856	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1869		2463
1870	=item $player_object->enter_link	2464	=item $player_object->enter_link
1871		2465
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2467
1874	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1876		2472
1877	Will never block.	2473	Will never block.
1878		2474
1879	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1880		2476
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1938		2534
1939	$map->load;	2535	$map->load;
1940	$map->load_diag;	2536	$map->load_neighbours;
1941		2537
1942	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1943	$self->activate_recursive;	2540	$self->activate_recursive;
1944		2541
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1947	}	2544	}
1948		2545
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2547
1951	Moves the player to the given map-path and coordinates by first freezing	2548	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2550	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2551	the new (success) or old (failed) map position. In either case, $done will
		2552	be called at the end of this process.
		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
1955		2556
1956	=cut	2557	=cut
1957		2558
1958	our $GOTOGEN;	2559	our $GOTOGEN;
1959		2560
1960	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2563
1963	# do generation counting so two concurrent goto's will be executed in-order	2564	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2566
1966	$self->enter_link;	2567	$self->enter_link;
1967		2568
1968	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1969	my $map = eval {	2591	my $map = eval {
1970	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
1971		2593
1972	if ($map) {	2594	if ($map) {
1973	$map = $map->customise_for ($self);	2595	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2596	$map = $check->($map) if $check && $map;
1975	} else {	2597	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2599	}
1978		2600
1979	$map	2601	$map
1980	};	2602	};
1981		2603
…		…
1986		2608
1987	if ($gen == $self->{_goto_generation}) {	2609	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2610	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
1990	}	2612	}
		2613
		2614	$done->() if $done;
1991	})->prio (1);	2615	})->prio (1);
1992	}	2616	}
1993		2617
1994	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1995		2619
…		…
2015	}	2639	}
2016		2640
2017	sub prepare_random_map {	2641	sub prepare_random_map {
2018	my ($exit) = @_;	2642	my ($exit) = @_;
2019		2643
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2646	# that depends on the exit object
2025		2647
2026	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2650	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2033	}	2657	}
2034		2658
2035	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2036		2660
2037	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2040		2664
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2667	undef $fh;
2044	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2045		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2048	}	2676	}
2049	}	2677	}
2050		2678
2051	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2053		2681
2054	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2055		2683
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2684	$self->enter_link;
2068		2685
2069	(async {	2686	(async {
2070	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2071	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2072	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2073		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2074	1;	2710	1
2075	}) {	2711	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2716
2081	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2100		2736
2101	utf8::encode $text;	2737	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2739	}
2104		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2105	=item $client->ext_event ($type, %msg)	2901	=item $client->ext_msg ($type, @msg)
2106		2902
2107	Sends an exti event to the client.	2903	Sends an ext event to the client.
2108		2904
2109	=cut	2905	=cut
2110		2906
2111	sub cf::client::ext_event($$%) {	2907	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2908	my ($self, $type, @msg) = @_;
2113		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2913	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
2116	}	2934	}
2117		2935
2118	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2119		2937
2120	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2941
2124	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2943	become reliable at some point in the future.
2126		2944
2127	=cut	2945	=cut
2128		2946
2129	sub cf::client::query {	2947	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2956	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2958
2141	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2143	}	2963	}
2144		2964
2145	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2146	on_reply => sub {	2971	on_reply => sub {
2147	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2148		2973
2149	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2150	# get handled first	2975	# get handled first
…		…
2162	} else {	2987	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2989	}
2165	}	2990	}
2166	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2167	);	3018	);
2168		3019
2169	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2170		3021
2171	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2214		3065
2215	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2216		3067
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2218		3073
2219	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2220		3075
2221	=pod	3076	=pod
2222		3077
2223	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2224		3079
2225	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2226	cf::object::player player	3085	cf::object::player
2227	cf::player peaceful	3086	player
2228	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2229		3093
2230	=cut	3094	=cut
2231		3095
2232	for (	3096	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2237	) {	3103	) {
2238	no strict 'refs';	3104	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2258		3124
2259	my $qcode = $code;	3125	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2262		3130
2263	local $_;	3131	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2265		3133
2266	my $eval =	3134	my $eval =
…		…
2309	=back	3177	=back
2310		3178
2311	=cut	3179	=cut
2312		3180
2313	#############################################################################	3181	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3182	# the server's init and main functions
2487		3183
2488	sub load_facedata($) {	3184	sub load_facedata($) {
2489	my ($path) = @_;	3185	my ($path) = @_;
		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3192
2491	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2492		3194
2493	my $facedata;	3195	my $facedata;
2494	0 < aio_load $path, $facedata	3196	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3199	$facedata = Coro::Storable::thaw $facedata;
2498		3200
2499	$facedata->{version} == 2	3201	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
2502	{	3211	{
2503	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
2504		3213
2505	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3221
		3222	cf::cede_to_tick;
2511	}	3223	}
2512		3224
2513	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2515	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2516	or next;	3229	or next;
		3230
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3234	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3236	}
2522	Coro::cede;	3237
		3238	cf::cede_to_tick;
2523	}	3239	}
2524	}	3240	}
2525		3241
2526	{	3242	{
2527	my $anims = $facedata->{animinfo};	3243	my $anims = $facedata->{animinfo};
2528		3244
2529	while (my ($anim, $info) = each %$anims) {	3245	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3247	cf::cede_to_tick;
2532	}	3248	}
2533		3249
2534	cf::anim::invalidate_all; # d'oh	3250	cf::anim::invalidate_all; # d'oh
2535	}	3251	}
2536		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
2537	1	3288	1
2538	}	3289	}
2539		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
2540	sub reload_regions {	3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
2541	load_resource_file "$MAPDIR/regions"	3334	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
2543	}	3341	}
2544		3342
2545	sub reload_facedata {	3343	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3344	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3345	or die "unable to load facedata\n";
…		…
2558	}	3356	}
2559		3357
2560	sub reload_resources {	3358	sub reload_resources {
2561	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
2562		3360
		3361	reload_facedata;
		3362	reload_archetypes;
2563	reload_regions;	3363	reload_regions;
2564	reload_facedata;
2565	#reload_archetypes;#d#
2566	reload_archetypes;
2567	reload_treasures;	3364	reload_treasures;
2568		3365
2569	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
2570	}	3367	}
2571		3368
2572	sub init {	3369	sub reload_config {
2573	reload_resources;
2574	}
2575
2576	sub cfg_load {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3371	or return;
2579		3372
2580	local $/;	3373	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2582		3375
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584		3377
2585	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2592	};	3385	};
2593	warn $@ if $@;	3386	warn $@ if $@;
2594	}	3387	}
2595	}	3388	}
2596		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2597	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2598	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3436	(async {
2602	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2604	};	3440	};
2605		3441
2606	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2607	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2608	load_extensions;	3460	load_extensions;
2609		3461
2610	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2611	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	use POSIX ();
		3466	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3467
		3468	(pop @POST_INIT)->(0) while @POST_INIT;
		3469	};
		3470
		3471	main_loop;
2612	}	3472	}
2613		3473
2614	#############################################################################	3474	#############################################################################
2615	# initialisation and cleanup	3475	# initialisation and cleanup
2616		3476
2617	# install some emergency cleanup handlers	3477	# install some emergency cleanup handlers
2618	BEGIN {	3478	BEGIN {
		3479	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3480	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3481	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3482	cf::cleanup "SIG$signal";
2627	},
2628	);	3483	};
		3484	}
		3485	}
		3486
		3487	sub write_runtime_sync {
		3488	# first touch the runtime file to show we are still running:
		3489	# the fsync below can take a very very long time.
		3490
		3491	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3492
		3493	my $guard = cf::lock_acquire "write_runtime";
		3494
		3495	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = $cf::RUNTIME + 90 + 10;
		3499	# 10 is the runtime save interval, for a monotonic clock
		3500	# 60 allows for the watchdog to kill the server.
		3501
		3502	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3503	and return;
		3504
		3505	# always fsync - this file is important
		3506	aio_fsync $fh
		3507	and return;
		3508
		3509	# touch it again to show we are up-to-date
		3510	aio_utime $fh, undef, undef;
		3511
		3512	close $fh
		3513	or return;
		3514
		3515	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3516	and return;
		3517
		3518	warn "runtime file written.\n";
		3519
2629	}	3520	1
		3521	}
		3522
		3523	our $uuid_lock;
		3524	our $uuid_skip;
		3525
		3526	sub write_uuid_sync($) {
		3527	$uuid_skip ||= $_[0];
		3528
		3529	return if $uuid_lock;
		3530	local $uuid_lock = 1;
		3531
		3532	my $uuid = "$LOCALDIR/uuid";
		3533
		3534	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3535	or return;
		3536
		3537	my $value = uuid_seq uuid_cur;
		3538
		3539	unless ($value) {
		3540	warn "cowardly refusing to write zero uuid value!\n";
		3541	return;
		3542	}
		3543
		3544	my $value = uuid_str $value + $uuid_skip;
		3545	$uuid_skip = 0;
		3546
		3547	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3548	and return;
		3549
		3550	# always fsync - this file is important
		3551	aio_fsync $fh
		3552	and return;
		3553
		3554	close $fh
		3555	or return;
		3556
		3557	aio_rename "$uuid~", $uuid
		3558	and return;
		3559
		3560	warn "uuid file written ($value).\n";
		3561
		3562	1
		3563
		3564	}
		3565
		3566	sub write_uuid($$) {
		3567	my ($skip, $sync) = @_;
		3568
		3569	$sync ? write_uuid_sync $skip
		3570	: async { write_uuid_sync $skip };
2630	}	3571	}
2631		3572
2632	sub emergency_save() {	3573	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3574	my $freeze_guard = cf::freeze_mainloop;
2634		3575
2635	warn "enter emergency perl save\n";	3576	warn "emergency_perl_save: enter\n";
2636		3577
2637	cf::sync_job {	3578	cf::sync_job {
		3579	# this is a trade-off: we want to be very quick here, so
		3580	# save all maps without fsync, and later call a global sync
		3581	# (which in turn might be very very slow)
		3582	local $USE_FSYNC = 0;
		3583
2638	# use a peculiar iteration method to avoid tripping on perl	3584	# use a peculiar iteration method to avoid tripping on perl
2639	# refcount bugs in for. also avoids problems with players	3585	# refcount bugs in for. also avoids problems with players
2640	# and maps saved/destroyed asynchronously.	3586	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3587	warn "emergency_perl_save: begin player save\n";
2642	for my $login (keys %cf::PLAYER) {	3588	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3589	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3590	$pl->valid or next;
		3591	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3592	$pl->save;
2646	}	3593	}
2647	warn "end emergency player save\n";	3594	warn "emergency_perl_save: end player save\n";
2648		3595
2649	warn "begin emergency map save\n";	3596	warn "emergency_perl_save: begin map save\n";
2650	for my $path (keys %cf::MAP) {	3597	for my $path (keys %cf::MAP) {
2651	my $map = $cf::MAP{$path} or next;	3598	my $map = $cf::MAP{$path} or next;
2652	$map->valid or next;	3599	$map->valid or next;
2653	$map->save;	3600	$map->save;
2654	}	3601	}
2655	warn "end emergency map save\n";	3602	warn "emergency_perl_save: end map save\n";
2656		3603
2657	warn "begin emergency database checkpoint\n";	3604	warn "emergency_perl_save: begin database checkpoint\n";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2659	warn "end emergency database checkpoint\n";	3606	warn "emergency_perl_save: end database checkpoint\n";
		3607
		3608	warn "emergency_perl_save: begin write uuid\n";
		3609	write_uuid_sync 1;
		3610	warn "emergency_perl_save: end write uuid\n";
2660	};	3611	};
2661		3612
		3613	warn "emergency_perl_save: starting sync()\n";
		3614	IO::AIO::aio_sync sub {
		3615	warn "emergency_perl_save: finished sync()\n";
		3616	};
		3617
2662	warn "leave emergency perl save\n";	3618	warn "emergency_perl_save: leave\n";
2663	}	3619	}
2664		3620
2665	sub post_cleanup {	3621	sub post_cleanup {
2666	my ($make_core) = @_;	3622	my ($make_core) = @_;
2667		3623
2668	warn Carp::longmess "post_cleanup backtrace"	3624	warn Carp::longmess "post_cleanup backtrace"
2669	if $make_core;	3625	if $make_core;
		3626
		3627	my $fh = pidfile;
		3628	unlink $PIDFILE if <$fh> == $$;
		3629	}
		3630
		3631	# a safer delete_package, copied from Symbol
		3632	sub clear_package($) {
		3633	my $pkg = shift;
		3634
		3635	# expand to full symbol table name if needed
		3636	unless ($pkg =~ /^main::.*::$/) {
		3637	$pkg = "main$pkg" if $pkg =~ /^::/;
		3638	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3639	$pkg .= '::' unless $pkg =~ /::$/;
		3640	}
		3641
		3642	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3643	my $stem_symtab = *{$stem}{HASH};
		3644
		3645	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3646	or return;
		3647
		3648	# clear all symbols
		3649	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3650	for my $name (keys %$leaf_symtab) {
		3651	_gv_clear *{"$pkg$name"};
		3652	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3653	}
		3654	warn "cleared package $pkg\n";#d#
2670	}	3655	}
2671		3656
2672	sub do_reload_perl() {	3657	sub do_reload_perl() {
2673	# can/must only be called in main	3658	# can/must only be called in main
2674	if ($Coro::current != $Coro::main) {	3659	if ($Coro::current != $Coro::main) {
2675	warn "can only reload from main coroutine";	3660	warn "can only reload from main coroutine";
2676	return;	3661	return;
2677	}	3662	}
2678		3663
		3664	return if $RELOAD++;
		3665
		3666	my $t1 = EV::time;
		3667
		3668	while ($RELOAD) {
2679	warn "reloading...";	3669	warn "reloading...";
2680		3670
2681	warn "entering sync_job";	3671	warn "entering sync_job";
2682		3672
2683	cf::sync_job {	3673	cf::sync_job {
2684	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2685	cf::emergency_save;	3675	cf::emergency_save;
2686	cf::write_runtime; # external watchdog should not bark	3676	cf::write_runtime_sync; # external watchdog should not bark
2687		3677
2688	warn "syncing database to disk";	3678	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3679	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3680
2691	# if anything goes wrong in here, we should simply crash as we already saved	3681	# if anything goes wrong in here, we should simply crash as we already saved
2692		3682
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";	3683	warn "flushing outstanding aio requests";
2699	for (;;) {
2700	BDB::flush;
2701	IO::AIO::flush;
2702	Coro::cede;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3684	while (IO::AIO::nreqs || BDB::nreqs) {
2704	warn "iterate...";	3685	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2705	}
2706
2707	++$RELOAD;
2708
2709	warn "cancelling all extension coros";
2710	$_->cancel for values %EXT_CORO;
2711	%EXT_CORO = ();
2712
2713	warn "removing commands";
2714	%COMMAND = ();
2715
2716	warn "removing ext commands";
2717	%EXTCMD = ();
2718
2719	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";
2722
2723	if (my $cb = $pkg->can ("unload")) {
2724	eval {
2725	$cb->($pkg);
2726	1
2727	} or warn "$pkg unloaded, but with errors: $@";
2728	}	3686	}
2729		3687
2730	warn "... nuking $pkg";	3688	warn "cancelling all extension coros";
2731	Symbol::delete_package $pkg;	3689	$_->cancel for values %EXT_CORO;
2732	}	3690	%EXT_CORO = ();
2733		3691
2734	warn "unloading all perl modules loaded from $LIBDIR";	3692	warn "removing commands";
2735	while (my ($k, $v) = each %INC) {	3693	%COMMAND = ();
2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737		3694
		3695	warn "removing ext/exti commands";
		3696	%EXTCMD = ();
		3697	%EXTICMD = ();
		3698
		3699	warn "unloading/nuking all extensions";
		3700	for my $pkg (@EXTS) {
2738	warn "... unloading $k";	3701	warn "... unloading $pkg";
2739	delete $INC{$k};
2740		3702
2741	$k =~ s/\.pm$//;
2742	$k =~ s/\//::/g;
2743
2744	if (my $cb = $k->can ("unload_module")) {	3703	if (my $cb = $pkg->can ("unload")) {
		3704	eval {
2745	$cb->();	3705	$cb->($pkg);
		3706	1
		3707	} or warn "$pkg unloaded, but with errors: $@";
		3708	}
		3709
		3710	warn "... clearing $pkg";
		3711	clear_package $pkg;
2746	}	3712	}
2747		3713
2748	Symbol::delete_package $k;	3714	warn "unloading all perl modules loaded from $LIBDIR";
		3715	while (my ($k, $v) = each %INC) {
		3716	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3717
		3718	warn "... unloading $k";
		3719	delete $INC{$k};
		3720
		3721	$k =~ s/\.pm$//;
		3722	$k =~ s/\//::/g;
		3723
		3724	if (my $cb = $k->can ("unload_module")) {
		3725	$cb->();
		3726	}
		3727
		3728	clear_package $k;
2749	}	3729	}
2750		3730
2751	warn "getting rid of safe::, as good as possible";	3731	warn "getting rid of safe::, as good as possible";
2752	Symbol::delete_package "safe::$_"	3732	clear_package "safe::$_"
2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3733	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2754		3734
2755	warn "unloading cf.pm \"a bit\"";	3735	warn "unloading cf.pm \"a bit\"";
2756	delete $INC{"cf.pm"};	3736	delete $INC{"cf.pm"};
2757	delete $INC{"cf/pod.pm"};	3737	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2758		3738
2759	# don't, removes xs symbols, too,	3739	# don't, removes xs symbols, too,
2760	# and global variables created in xs	3740	# and global variables created in xs
2761	#Symbol::delete_package __PACKAGE__;	3741	#clear_package __PACKAGE__;
2762		3742
2763	warn "unload completed, starting to reload now";	3743	warn "unload completed, starting to reload now";
2764		3744
2765	warn "reloading cf.pm";	3745	warn "reloading cf.pm";
2766	require cf;	3746	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3747	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3748
2769	warn "loading config and database again";	3749	warn "loading config and database again";
2770	cf::cfg_load;	3750	cf::reload_config;
2771		3751
2772	warn "loading extensions";	3752	warn "loading extensions";
2773	cf::load_extensions;	3753	cf::load_extensions;
2774		3754
		3755	if ($REATTACH_ON_RELOAD) {
2775	warn "reattaching attachments to objects/players";	3756	warn "reattaching attachments to objects/players";
2776	_global_reattach; # objects, sockets	3757	_global_reattach; # objects, sockets
2777	warn "reattaching attachments to maps";	3758	warn "reattaching attachments to maps";
2778	reattach $_ for values %MAP;	3759	reattach $_ for values %MAP;
2779	warn "reattaching attachments to players";	3760	warn "reattaching attachments to players";
2780	reattach $_ for values %PLAYER;	3761	reattach $_ for values %PLAYER;
		3762	}
2781		3763
		3764	warn "running post_init jobs";
		3765	(pop @POST_INIT)->(1) while @POST_INIT;
		3766
2782	warn "leaving sync_job";	3767	warn "leaving sync_job";
2783		3768
2784	1	3769	1
2785	} or do {	3770	} or do {
2786	warn $@;	3771	warn $@;
2787	warn "error while reloading, exiting.";	3772	cf::cleanup "error while reloading, exiting.";
2788	exit 1;
2789	};	3773	};
2790		3774
2791	warn "reloaded";	3775	warn "reloaded";
		3776	--$RELOAD;
		3777	}
		3778
		3779	$t1 = EV::time - $t1;
		3780	warn "reload completed in ${t1}s\n";
2792	};	3781	};
2793		3782
2794	our $RELOAD_WATCHER; # used only during reload	3783	our $RELOAD_WATCHER; # used only during reload
2795		3784
2796	sub reload_perl() {	3785	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3786	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3787	# coro crashes during coro_state_free->destroy here.
2799		3788
2800	$RELOAD_WATCHER ||= Event->timer (	3789	$RELOAD_WATCHER ||= cf::async {
2801	reentrant => 0,	3790	Coro::AIO::aio_wait cache_extensions;
2802	after => 0,	3791
2803	data => WF_AUTOCANCEL,	3792	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2804	cb => sub {
2805	do_reload_perl;	3793	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3794	undef $RELOAD_WATCHER;
2807	},	3795	};
2808	);	3796	};
2809	}	3797	}
2810		3798
2811	register_command "reload" => sub {	3799	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3800	my ($who, $arg) = @_;
2813		3801
2814	if ($who->flag (FLAG_WIZ)) {	3802	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3803	$who->message ("reloading server.");
		3804	async {
		3805	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3806	reload_perl;
		3807	};
2817	}	3808	}
2818	};	3809	};
2819		3810
2820	unshift @INC, $LIBDIR;	3811	unshift @INC, $LIBDIR;
2821		3812
…		…
2823		3814
2824	our @WAIT_FOR_TICK;	3815	our @WAIT_FOR_TICK;
2825	our @WAIT_FOR_TICK_BEGIN;	3816	our @WAIT_FOR_TICK_BEGIN;
2826		3817
2827	sub wait_for_tick {	3818	sub wait_for_tick {
2828	return unless $TICK_WATCHER->is_active;
2829	return if $Coro::current == $Coro::main;	3819	return if tick_inhibit || $Coro::current == $Coro::main;
2830		3820
2831	my $signal = new Coro::Signal;	3821	my $signal = new Coro::Signal;
2832	push @WAIT_FOR_TICK, $signal;	3822	push @WAIT_FOR_TICK, $signal;
2833	$signal->wait;	3823	$signal->wait;
2834	}	3824	}
2835		3825
2836	sub wait_for_tick_begin {	3826	sub wait_for_tick_begin {
2837	return unless $TICK_WATCHER->is_active;
2838	return if $Coro::current == $Coro::main;	3827	return if tick_inhibit || $Coro::current == $Coro::main;
2839		3828
2840	my $signal = new Coro::Signal;	3829	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3830	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3831	$signal->wait;
2843	}	3832	}
2844		3833
2845	my $min = 1e6;#d#	3834	sub tick {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3835	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3836	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	3837	unless ++$bug_warning > 10;
2857	return;	3838	return;
2858	}	3839	}
2859		3840
2860	$NOW = $tick_start = Event::time;
2861
2862	cf::server_tick; # one server iteration	3841	cf::server_tick; # one server iteration
2863		3842
2864	0 && sync_job {#d#	3843	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865	for(1..10) {	3844	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866	my $t = Event::time;	3845	Coro::async_pool {
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3846	$Coro::current->{desc} = "runtime saver";
2868	or die;	3847	write_runtime_sync
2869		3848	or warn "ERROR: unable to write runtime file: $!";
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3849	};
		3850	}
2886		3851
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3853	$sig->send;
2903	}	3854	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3855	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3856	$sig->send;
2906	}	3857	}
2907		3858
2908	$NOW = Event::time;	3859	$LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3860	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3861
2919	_post_tick;	3862	if (0) {
2920		3863	if ($NEXT_TICK) {
2921		3864	my $jitter = $TICK_START - $NEXT_TICK;
		3865	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3866	warn "jitter $JITTER\n";#d#
		3867	}
2922	},	3868	}
2923	);	3869	}
2924		3870
2925	{	3871	{
2926	BDB::max_poll_time $TICK * 0.1;	3872	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3873
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3874	BDB::min_parallel 8;
2936		3875	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3876	$AnyEvent::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3877
2952	unless ($DB_ENV) {	3878	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3879	$DB_ENV = BDB::db_env_create;
		3880	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3881	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3882	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3883	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3884	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3885
2955	cf::sync_job {	3886	cf::sync_job {
2956	eval {	3887	eval {
2957	BDB::db_env_open	3888	BDB::db_env_open
2958	$DB_ENV,	3889	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3891	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3892	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3893	0666;
2963		3894
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3895	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3896	};
2969		3897
2970	cf::cleanup "db_env_open(db): $@" if $@;	3898	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3899	};
2972	}	3900	}
		3901
		3902	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3903	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3904	};
		3905	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3906	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3907	};
		3908	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3909	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3910	};
2973	}	3911	}
2974		3912
2975	{	3913	{
		3914	# configure IO::AIO
		3915
2976	IO::AIO::min_parallel 8;	3916	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3917	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3918	undef $AnyEvent::AIO::WATCHER;
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3919	}
2989		3920
2990	my $_log_backtrace;	3921	my $_log_backtrace;
2991		3922
2992	sub _log_backtrace {	3923	sub _log_backtrace {
…		…
2995	$msg =~ s/\n//;	3926	$msg =~ s/\n//;
2996		3927
2997	# limit the # of concurrent backtraces	3928	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3929	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3930	++$_log_backtrace;
		3931	my $perl_bt = Carp::longmess $msg;
3000	async {	3932	async {
		3933	$Coro::current->{desc} = "abt $msg";
		3934
3001	my @bt = fork_call {	3935	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3936	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3937	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3938	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3939	or die "addr2line: $!";
…		…
3013	}	3947	}
3014		3948
3015	@funcs	3949	@funcs
3016	};	3950	};
3017		3951
3018	LOG llevInfo, "[ABT] $msg\n";	3952	LOG llevInfo, "[ABT] $perl_bt\n";
		3953	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3019	LOG llevInfo, "[ABT] $_\n" for @bt;	3954	LOG llevInfo, "[ABT] $_\n" for @bt;
3020	--$_log_backtrace;	3955	--$_log_backtrace;
3021	};	3956	};
3022	} else {	3957	} else {
3023	LOG llevInfo, "[ABT] $msg\n";	3958	LOG llevInfo, "[ABT] $msg\n";
3024	LOG llevInfo, "[ABT] [suppressed]\n";	3959	LOG llevInfo, "[ABT] [suppressed]\n";
3025	}	3960	}
3026	}	3961	}
3027		3962
3028	# load additional modules	3963	# load additional modules
3029	use cf::pod;	3964	require "cf/$_.pm" for @EXTRA_MODULES;
3030		3965
3031	END { cf::emergency_save }	3966	END { cf::emergency_save }
3032		3967
3033	1	3968	1
3034		3969

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