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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
71		98
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	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	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	101	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	107	our $DB_ENV;
82		108
83	our %CFG;	109	our %CFG;
84		110
85	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
87		114
88	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
91		118
92	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
94		126
95	binmode STDOUT;	127	binmode STDOUT;
96	binmode STDERR;	128	binmode STDERR;
97		129
98	# read virtual server time, if available	130	# read virtual server time, if available
…		…
139		171
140	=item $cf::TICK	172	=item $cf::TICK
141		173
142	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
143		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
144	=item %cf::CFG	186	=item %cf::CFG
145		187
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	189	from wherever your confdir points to.
148		190
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		192
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
155	=back	203	=back
156		204
157	=cut	205	=cut
158		206
159	BEGIN {	207	BEGIN {
…		…
163	$msg .= "\n"	211	$msg .= "\n"
164	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
165		213
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		215
168	utf8::encode $msg;
169	LOG llevError, $msg;	216	LOG llevError, $msg;
170	};	217	};
171	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
172		234
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		242
180	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	244	# within the Safe compartment.
182	for my $pkg (qw(	245	for my $pkg (qw(
183	cf::global cf::attachable	246	cf::global cf::attachable
184	cf::object cf::object::player	247	cf::object cf::object::player
185	cf::client cf::player	248	cf::client cf::player
186	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
187	cf::map cf::party cf::region	251	cf::party cf::region
188	)) {	252	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	254	}
192		255
193	$Event::DIED = sub {	256	$EV::DIED = sub {
194	warn "error in event callback: @_";	257	warn "error in event callback: @_";
195	};	258	};
		259
		260	#############################################################################
196		261
197	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
198		263
199	=over 4	264	=over 4
200		265
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	285	$d
221	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
222	}	287	}
223		288
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
227		290
228	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
229		292
230	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
231		294
232	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
233		303
234	=item cf::lock_wait $string	304	=item cf::lock_wait $string
235		305
236	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
237		307
…		…
240	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
243	returned.	313	returned.
244		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
245	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
247		320
248	=item $locked = cf::lock_active $string	321	=item $locked = cf::lock_active $string
249		322
250	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
251		324
252	=cut	325	=cut
253		326
254	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
255		329
256	sub lock_wait($) {	330	sub lock_wait($) {
257	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
258		337
259	# wait for lock, if any	338	# wait for lock, if any
260	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	341	Coro::schedule;
…		…
268		347
269	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
270	lock_wait $key;	349	lock_wait $key;
271		350
272	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
273		353
274	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
277	}	358	}
278	}	359	}
279		360
…		…
282		363
283	! ! $LOCK{$key}	364	! ! $LOCK{$key}
284	}	365	}
285		366
286	sub freeze_mainloop {	367	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
288		369
289	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
291	};	431	}
292	$TICK_WATCHER->stop;	432	};
293	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
294	}	446	}
295		447
296	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
297		449
298	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		455
304	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
305		457
306	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
307		459
308	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
311		464
312	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
315	fast or be very important.	468	fast or be very important.
…		…
318		471
319	sub sync_job(&) {	472	sub sync_job(&) {
320	my ($job) = @_;	473	my ($job) = @_;
321		474
322	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
323	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
325		480
326	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	482
328	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
329		484
330	my $busy = 1;	485	my $busy = 1;
331	my @res;	486	my @res;
332		487
333	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	490	@res = eval { $job->() };
335	warn $@ if $@;	491	warn $@ if $@;
336	undef $busy;	492	undef $busy;
337	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
338		494
339	while ($busy) {	495	while ($busy) {
340	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
341	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
342		506
343	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
344	} else {	508	} else {
345	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
346		510
…		…
366	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
367		531
368	$coro	532	$coro
369	}	533	}
370		534
371	sub write_runtime {	535	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		536
374	my $runtime = "$LOCALDIR/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
375		541
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
377	or return;
378		543
379	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		546
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
384	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
385		550
386	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	552	reset_signals;
388	and return;	553	&$cb
		554	}, @args;
389		555
390	close $fh	556	wantarray ? @res : $res[-1]
391	or return;	557	}
392		558
393	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
394	and return;
395		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
396	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
397	}	711	}
398		712
399	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
400		714
401	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
421		735
422	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	738	Deliantra).
425		739
426	=over 4	740	=over 4
427		741
428	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
429		743
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
593		907
594	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		912
599	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	914	my $pkg = shift @arg;
601		915
602	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
632	}	946	}
633		947
634	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
635	} else {	949	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	951	}
638		952
639	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
640	}	954	}
641		955
…		…
643	if (ref $_[0]) {	957	if (ref $_[0]) {
644	_object_attach @_;	958	_object_attach @_;
645	} else {	959	} else {
646	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
647	}	961	}
		962	_recalc_want;
648	};	963	};
649		964
650	# all those should be optimised	965	# all those should be optimised
651	sub cf::attachable::detach {	966	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
656	reattach ($obj);	971	reattach ($obj);
657	} else {	972	} else {
658	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
659	}	974	}
		975	_recalc_want;
660	};	976	};
661		977
662	sub cf::attachable::attached {	978	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
664		980
…		…
679	";	995	";
680	die if $@;	996	die if $@;
681	}	997	}
682		998
683	our $override;	999	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1001
686	sub override {	1002	sub override {
687	$override = 1;	1003	$override = 1;
688	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
689	}	1005	}
690		1006
691	sub do_invoke {	1007	sub do_invoke {
692	my $event = shift;	1008	my $event = shift;
693	my $callbacks = shift;	1009	my $callbacks = shift;
694		1010
695	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
696		1012
697	local $override;	1013	local $override;
698		1014
699	for (@$callbacks) {	1015	for (@$callbacks) {
700	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
709	}	1025	}
710		1026
711	0	1027	0
712	}	1028	}
713		1029
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1031
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1033
718	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
719		1035
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1039
724	=back	1040	=back
725		1041
726	=cut	1042	=cut
727		1043
728	#############################################################################	1044	#############################################################################
729	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
730		1088
731	sub reattach {	1089	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1091	my ($obj) = @_;
734		1092
		1093	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1095
737	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
738		1097
739	@$registry = ();	1098	@$registry = ();
740		1099
…		…
755	cf::attachable->attach (	1114	cf::attachable->attach (
756	prio => -1000000,	1115	prio => -1000000,
757	on_instantiate => sub {	1116	on_instantiate => sub {
758	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
759		1118
760	$data = from_json $data;	1119	$data = decode_json $data;
761		1120
762	for (@$data) {	1121	for (@$data) {
763	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
764		1123
765	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1140	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
783		1142
784	sync_job {	1143	sync_job {
785	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
788		1148
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1153	aio_close $fh;
794		1154
795	if (@$objs) {	1155	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1161	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
803	}	1163	}
804	} else {	1164	} else {
805	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
806	}	1166	}
…		…
811	}	1171	}
812	} else {	1172	} else {
813	aio_unlink $filename;	1173	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
815	}	1175	}
816	}	1176	};
817	}	1177	}
818		1178
819	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
821		1181
…		…
833	or return;	1193	or return;
834		1194
835	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
837	or return;	1197	or return;
		1198
838	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
839	}	1201	}
840		1202
		1203	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
843	return ($data, $av);	1207	($data, $av)
844	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
845		1215
846	#############################################################################	1216	#############################################################################
847	# command handling &c	1217	# command handling &c
848		1218
849	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1233	}
864		1234
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1236
867	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
868		1242
869	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
870	called.	1244	called.
871		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
872	=cut	1257	=cut
873		1258
874	sub register_extcmd {	1259	sub register_extcmd {
875	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
876		1261
877	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
878	}	1269	}
879		1270
880	cf::player->attach (	1271	cf::player->attach (
881	on_command => sub {	1272	on_command => sub {
882	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1282	cf::override;
892	},	1283	},
893	on_extcmd => sub {	1284	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
895		1286
896	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1288
898	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
904	} else {	1304	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1306	}
907		1307
908	cf::override;	1308	cf::override;
909	},	1309	},
910	);	1310	);
911		1311
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
947	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1317	next unless -r $path;
949	eval {	1318
950	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
951	1	1375	}
952	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
953	}	1381	};
954	}	1382	}
955		1383
956	#############################################################################	1384	#############################################################################
957		1385
		1386	=back
		1387
958	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
959		1389
960	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
961		1391
962	=cut	1392	=cut
…		…
966	use Coro::AIO;	1396	use Coro::AIO;
967		1397
968	=head3 cf::player	1398	=head3 cf::player
969		1399
970	=over 4	1400	=over 4
		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
971		1415
972	=item cf::player::find $login	1416	=item cf::player::find $login
973		1417
974	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
975		1419
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1459
1016	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1019	}	1469	}
1020	}	1470	}
1021	}	1471	}
1022		1472
…		…
1031	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1032		1482
1033	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1035		1485
		1486	cf::get_slot 0.01;
		1487
1036	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1037	Coro::cede;	1489	cf::cede_to_tick;
1038	}	1490	}
1039		1491
1040	sub new($) {	1492	sub new($) {
1041	my ($login) = @_;	1493	my ($login) = @_;
1042		1494
…		…
1048	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1049		1501
1050	$self	1502	$self
1051	}	1503	}
1052		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1053	=item $pl->quit_character	1515	=item $pl->quit_character
1054		1516
1055	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1057		1519
…		…
1065	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1067		1529
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1072		1536
1073	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1574	or return [];
1111		1575
1112	my @logins;	1576	my @logins;
1113		1577
1114	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1118		1588
1119	utf8::decode $login;	1589	utf8::decode $login;
1120	push @logins, $login;	1590	push @logins, $login;
1121	}	1591	}
1122		1592
…		…
1149	}	1619	}
1150		1620
1151	\@paths	1621	\@paths
1152	}	1622	}
1153		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1154	=item $player->ext_reply ($msgid, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1155		1718
1156	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1157		1720
1158	=cut	1721	=cut
1159		1722
1160	sub ext_reply($$%) {	1723	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1162		1725
1163	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1727	}
1167		1728
1168	=item $player->ext_event ($type, %msg)	1729	=item $player->ext_msg ($type, @msg)
1169		1730
1170	Sends an ext event to the client.	1731	Sends an ext event to the client.
1171		1732
1172	=cut	1733	=cut
1173		1734
1174	sub ext_event($$%) {	1735	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1736	my ($self, $type, @msg) = @_;
1176		1737
1177	$self->ns->ext_event ($type, %msg);	1738	$self->ns->ext_msg ($type, @msg);
1178	}	1739	}
1179		1740
1180	=head3 cf::region	1741	=head3 cf::region
1181		1742
1182	=over 4	1743	=over 4
…		…
1185		1746
1186	package cf::region;	1747	package cf::region;
1187		1748
1188	=item cf::region::find_by_path $path	1749	=item cf::region::find_by_path $path
1189		1750
1190	Tries to decuce the probable region for a map knowing only its path.	1751	Tries to decuce the likely region for a map knowing only its path.
1191		1752
1192	=cut	1753	=cut
1193		1754
1194	sub find_by_path($) {	1755	sub find_by_path($) {
1195	my ($path) = @_;	1756	my ($path) = @_;
1196		1757
1197	my ($match, $specificity);	1758	my ($match, $specificity);
1198		1759
1199	for my $region (list) {	1760	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1761	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1762	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1763	if $region->specificity > $specificity;
1203	}	1764	}
1204	}	1765	}
1205		1766
…		…
1226	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1228		1789
1229	sub generate_random_map {	1790	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1231	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1796	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1270		1834
1271	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1272	local $self->{path};	1836	local $self->{path};
1273	local $self->{load_path};	1837	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1838
1277	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1278	}	1840	}
1279		1841
1280	sub normalise {	1842	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1328	return $self;	1890	return $self;
1329	}	1891	}
1330	}	1892	}
1331		1893
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1895	()
1334	}	1896	}
1335		1897
1336	sub init {	1898	sub init {
1337	my ($self) = @_;	1899	my ($self) = @_;
…		…
1359		1921
1360	# the temporary/swap location	1922	# the temporary/swap location
1361	sub save_path {	1923	sub save_path {
1362	my ($self) = @_;	1924	my ($self) = @_;
1363		1925
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1927	"$TMPDIR/$path.map"
1366	}	1928	}
1367		1929
1368	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1369	sub uniq_path {	1931	sub uniq_path {
1370	my ($self) = @_;	1932	my ($self) = @_;
1371		1933
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1935	"$UNIQUEDIR/$path"
1374	}	1936	}
1375		1937
1376	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1377	# all maps in C++...	1939	# all maps in C++...
…		…
1380		1942
1381	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1383	}	1945	}
1384		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1385	sub unlink_save {	1955	sub unlink_save {
1386	my ($self) = @_;	1956	my ($self) = @_;
1387		1957
1388	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1962
1393	sub load_header_from($) {	1963	sub load_header_from($) {
1394	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1395		1965
1396	utf8::encode $path;	1966	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1402		1975
1403	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1404		1977
1405	1	1978	1
1406	}	1979	}
…		…
1445	$self->load_header_orig	2018	$self->load_header_orig
1446	or return;	2019	or return;
1447	$self->prepare_orig;	2020	$self->prepare_orig;
1448	}	2021	}
1449		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
1450	$self->default_region (cf::region::find_by_path $self->{path})	2026	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2027	unless $self->default_region;
1452		2028
1453	1	2029	1
1454	}	2030	}
…		…
1457	sub find {	2033	sub find {
1458	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1459		2035
1460	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1461		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1463		2040
1464	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1466	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1467	or return;	2046	or return;
1468		2047
1469	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1470		2049
1471	$map->load_header	2050	$map->load_header
1472	or return;	2051	or return;
1473		2052
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1477	$map->reset;	2058	$map->reset;
1478	undef $guard;
1479	return find $path;	2059	return find $path;
1480	}	2060	}
1481		2061
1482	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1483	}	2063	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1493		2073
1494	my $path = $self->{path};	2074	my $path = $self->{path};
1495		2075
1496	{	2076	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1498		2078
		2079	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2081
1501	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1502		2083
1503	$self->alloc;	2084	$self->alloc;
1504		2085
1505	$self->pre_load;	2086	$self->pre_load;
1506	Coro::cede;	2087	cf::cede_to_tick;
1507		2088
		2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2091	$self->_load_objects ($f)
1509	or return;	2092	or return;
1510		2093
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1512	if delete $self->{load_original};	2095	if delete $self->{load_original};
1513		2096
1514	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2098	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2101	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1519	}	2105	}
1520	}	2106	}
1521		2107
1522	Coro::cede;	2108	$f->resolve_delayed_derefs;
		2109
		2110	cf::cede_to_tick;
1523	# now do the right thing for maps	2111	# now do the right thing for maps
1524	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2114	unless $self->difficulty;
1527	Coro::cede;	2115	cf::cede_to_tick;
1528		2116
1529	unless ($self->{deny_activate}) {	2117	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2118	$self->decay_objects;
1531	$self->fix_auto_apply;	2119	$self->fix_auto_apply;
1532	$self->update_buttons;	2120	$self->update_buttons;
1533	Coro::cede;	2121	cf::cede_to_tick;
1534	$self->set_darkness_map;	2122	$self->set_darkness_map;
1535	Coro::cede;	2123	cf::cede_to_tick;
1536	$self->activate;	2124	$self->activate;
1537	}	2125	}
1538		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2130	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2131	}
1541		2132
1542	$self->post_load;	2133	$self->post_load;
1543	}	2134	}
1544		2135
…		…
1546	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1547		2138
1548	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2140	if $self->per_player;
1550		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1551	$self	2145	$self
1552	}	2146	}
1553		2147
1554	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2149	sub load_neighbours {
1556	my ($map) = @_;	2150	my ($map) = @_;
1557		2151
1558	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1559		2153
1560	for (0 .. 3) {	2154	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1562	or next;	2156	or next;
1563	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1564	or next;	2158	or next;
1565	$neigh->load;	2159	$neigh->load;
1566		2160
		2161	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2164	}
1570		2165
1571	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1573	or next;	2169	or next;
1574	$neigh->load;	2170	$neigh->load;
1575	}	2171	}
1576	}	2172	}
1577		2173
…		…
1582	}	2178	}
1583		2179
1584	sub do_load_sync {	2180	sub do_load_sync {
1585	my ($map) = @_;	2181	my ($map) = @_;
1586		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1587	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1588	}	2187	}
1589		2188
1590	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1592		2191
1593	sub find_async {	2192	sub find_async {
1594	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1595		2194
1596	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1597		2196
1598	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2199	}
1601		2200
1602	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1603	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1604	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2208	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2209	$map->load if $v;
		2210	}
1609		2211
1610	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1611	}	2213	}
1612	}	2214	}
1613	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1614	};	2216	};
1615	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2220	}
1619		2221
1620	sub save {	2222	sub save {
1621	my ($self) = @_;	2223	my ($self) = @_;
1622		2224
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2226
1625	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1626		2228
1627	return unless $self->dirty;	2229	return unless $self->dirty;
1628		2230
…		…
1634	return if $self->{deny_save};	2236	return if $self->{deny_save};
1635		2237
1636	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1637		2239
1638	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1640	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1641		2246
1642	if ($uniq) {	2247	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2250	} else {
…		…
1651	my ($self) = @_;	2256	my ($self) = @_;
1652		2257
1653	# save first because save cedes	2258	# save first because save cedes
1654	$self->save;	2259	$self->save;
1655		2260
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2262
1658	return if $self->players;	2263	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2265	return if $self->{deny_save};
1661		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2271	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2272	}
1665		2273
1666	sub reset_at {	2274	sub reset_at {
1667	my ($self) = @_;	2275	my ($self) = @_;
1668		2276
1669	# TODO: safety, remove and allow resettable per-player maps	2277	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2278	return 1e99 if $self->{deny_reset};
1672		2279
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2282
…		…
1686	my ($self) = @_;	2293	my ($self) = @_;
1687		2294
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2296
1690	return if $self->players;	2297	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2298
1693	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
1694		2300
1695	$self->in_memory (cf::MAP_SWAPPED);	2301	$self->in_memory (cf::MAP_SWAPPED);
1696		2302
1697	# need to save uniques path	2303	# need to save uniques path
1698	unless ($self->{deny_save}) {	2304	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2308	if $uniq;
1703	}	2309	}
1704		2310
1705	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1706		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2315	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2316
1711	$self->unlink_save;	2317	$self->unlink_save;
1712	$self->destroy;	2318	$self->destroy;
1713	}	2319	}
1714		2320
1715	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1716		2322
1717	sub nuke {	2323	sub nuke {
1718	my ($self) = @_;	2324	my ($self) = @_;
1719		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1720	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1721		2330
1722	$self->unlink_save;	2331	$self->unlink_save;
1723		2332
1724	bless $self, "cf::map";	2333	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2338
1730	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1731		2341
1732	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1733	}	2379	}
1734		2380
1735	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1736		2382
1737	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2384	instantiated unique items. May block.
1739		2385
1740	=cut	2386	=cut
1741		2387
1742	sub unique_maps() {	2388	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2389	[
1744	or return;	2390	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2391	utf8::decode $_;
1750	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2394	? ()
1753	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2397	]
1755
1756	\@paths
1757	}	2398	}
1758
1759	package cf;
1760		2399
1761	=back	2400	=back
1762		2401
1763	=head3 cf::object	2402	=head3 cf::object
1764		2403
…		…
1768		2407
1769	=over 4	2408	=over 4
1770		2409
1771	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1772		2411
1773	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1774		2414
1775	=cut	2415	=cut
1776		2416
1777	sub inv_recursive_;	2417	sub inv_recursive_;
1778	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1781		2421
1782	sub inv_recursive {	2422	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1784	}	2424	}
1785		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1786	package cf;	2454	package cf;
1787		2455
1788	=back	2456	=back
1789		2457
1790	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2465	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1799		2467
1800	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1801		2483
1802	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2485	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1807		2489
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2491
1810	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1812	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1815	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1816	}	2517	}
1817		2518
1818	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1819		2520
1820	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1868		2569
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2571
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1873		2574
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2576	}
1876		2577
1877	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1879		2582
1880	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1881		2584
1882	unless ($map) {	2585	unless ($map) {
1883	# restore original map position	2586	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1900		2603
1901	$map->load;	2604	$map->load;
1902	$map->load_diag;	2605	$map->load_neighbours;
1903		2606
1904	return unless $self->contr->active;	2607	return unless $self->contr->active;
1905	$self->activate_recursive;	2608	$self->activate_recursive;
1906		2609
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1909	}	2612	}
1910		2613
1911	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2615
1915	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1919	};	2620	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2621
1925	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1926	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2624
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1946		2628
1947	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2634
1950	$self->enter_link;	2635	$self->enter_link;
1951		2636
1952	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1953	my $map = eval {	2659	my $map = eval {
1954	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1956	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2675	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1961	})->prio (1);	2683	})->prio (1);
1962	}	2684	}
1963		2685
1964	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1965		2687
…		…
1985	}	2707	}
1986		2708
1987	sub prepare_random_map {	2709	sub prepare_random_map {
1988	my ($exit) = @_;	2710	my ($exit) = @_;
1989		2711
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2714	# that depends on the exit object
1995		2715
1996	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2718	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
2003	}	2725	}
2004		2726
2005	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
2006		2728
2007	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
2010		2732
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2735	undef $fh;
2014	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
2015		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
2018	}	2744	}
2019	}	2745	}
2020		2746
2021	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
2023		2749
2024	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
2025		2751
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2752	$self->enter_link;
2038		2753
2039	(async {	2754	(async {
2040	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
2041	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
2042	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
2043		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
2044	1;	2778	1
2045	}) {	2779	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
2047	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2070		2804
2071	utf8::encode $text;	2805	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2807	}
2074		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
2075	=item $client->ext_event ($type, %msg)	2939	=item $client->ext_msg ($type, @msg)
2076		2940
2077	Sends an exti event to the client.	2941	Sends an ext event to the client.
2078		2942
2079	=cut	2943	=cut
2080		2944
2081	sub cf::client::ext_event($$%) {	2945	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2946	my ($self, $type, @msg) = @_;
2083		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2951	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
2086	}	2972	}
2087		2973
2088	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
2089		2975
2090	Queues a query to the client, calling the given callback with	2976	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2977	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2979
2094	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2981	become reliable at some point in the future.
2096		2982
2097	=cut	2983	=cut
2098		2984
2099	sub cf::client::query {	2985	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2994	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2996
2111	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
2113	}	3001	}
2114		3002
2115	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
2116	on_reply => sub {	3009	on_reply => sub {
2117	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2118		3011
2119	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2120	# get handled first	3013	# get handled first
…		…
2132	} else {	3025	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3027	}
2135	}	3028	}
2136	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2137	);	3056	);
2138		3057
2139	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2140		3059
2141	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2184		3103
2185	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2186		3105
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2188		3111
2189	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2190		3113
2191	=pod	3114	=pod
2192		3115
2193	The following functions and methods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2194		3117
2195	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2196	cf::object::player player	3122	cf::object::player
2197	cf::player peaceful	3123	player
2198	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2199		3130
2200	=cut	3131	=cut
2201		3132
2202	for (	3133	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2204	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2207	) {	3140	) {
2208	no strict 'refs';	3141	no strict 'refs';
…		…
2279	=back	3212	=back
2280		3213
2281	=cut	3214	=cut
2282		3215
2283	#############################################################################	3216	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456
2457	#############################################################################
2458	# the server's init and main functions	3217	# the server's init and main functions
2459		3218
2460	sub load_facedata($) {	3219	sub load_facedata($) {
2461	my ($path) = @_;	3220	my ($path) = @_;
		3221
		3222	# HACK to clear player env face cache, we need some signal framework
		3223	# for this (global event?)
		3224	%ext::player_env::MUSIC_FACE_CACHE = ();
		3225
		3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2462		3227
2463	warn "loading facedata from $path\n";	3228	warn "loading facedata from $path\n";
2464		3229
2465	my $facedata;	3230	my $facedata;
2466	0 < aio_load $path, $facedata	3231	0 < aio_load $path, $facedata
…		…
2469	$facedata = Coro::Storable::thaw $facedata;	3234	$facedata = Coro::Storable::thaw $facedata;
2470		3235
2471	$facedata->{version} == 2	3236	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3238
		3239	# patch in the exptable
		3240	$facedata->{resource}{"res/exp_table"} = {
		3241	type => FT_RSRC,
		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3243	};
		3244	cf::cede_to_tick;
		3245
2474	{	3246	{
2475	my $faces = $facedata->{faceinfo};	3247	my $faces = $facedata->{faceinfo};
2476		3248
2477	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2482	Coro::cede;	3256
		3257	cf::cede_to_tick;
2483	}	3258	}
2484		3259
2485	while (my ($face, $info) = each %$faces) {	3260	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3261	next unless $info->{smooth};
		3262
2487	my $idx = cf::face::find $face	3263	my $idx = cf::face::find $face
2488	or next;	3264	or next;
		3265
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3269	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3271	}
2494	Coro::cede;	3272
		3273	cf::cede_to_tick;
2495	}	3274	}
2496	}	3275	}
2497		3276
2498	{	3277	{
2499	my $anims = $facedata->{animinfo};	3278	my $anims = $facedata->{animinfo};
2500		3279
2501	while (my ($anim, $info) = each %$anims) {	3280	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3282	cf::cede_to_tick;
2504	}	3283	}
2505		3284
2506	cf::anim::invalidate_all; # d'oh	3285	cf::anim::invalidate_all; # d'oh
2507	}	3286	}
2508		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
2509	1	3323	1
2510	}	3324	}
2511		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
2512	sub reload_regions {	3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
2513	load_resource_file "$MAPDIR/regions"	3369	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3370	or die "unable to load regions file\n";
		3371
		3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
2515	}	3376	}
2516		3377
2517	sub reload_facedata {	3378	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3379	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3380	or die "unable to load facedata\n";
…		…
2530	}	3391	}
2531		3392
2532	sub reload_resources {	3393	sub reload_resources {
2533	warn "reloading resource files...\n";	3394	warn "reloading resource files...\n";
2534		3395
2535	reload_regions;
2536	reload_facedata;	3396	reload_facedata;
2537	reload_archetypes;	3397	reload_archetypes;
		3398	reload_regions;
2538	reload_treasures;	3399	reload_treasures;
2539		3400
2540	warn "finished reloading resource files\n";	3401	warn "finished reloading resource files\n";
2541	}	3402	}
2542		3403
2543	sub init {	3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
2544	reload_resources;	3409	reload_resources;
2545	}	3410	}
2546		3411
2547	sub cfg_load {	3412	sub reload_config {
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2549	or return;	3414	or return;
2550		3415
2551	local $/;	3416	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2553		3418
2554	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2555		3420
2556	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2557	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2568	sub main {	3433	sub main {
2569	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2572	(async {	3437	(async {
2573	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2575	};	3441	};
2576		3442
2577	cfg_load;	3443	{
		3444	my $guard = freeze_mainloop;
		3445	reload_config;
2578	db_init;	3446	db_init;
2579	load_extensions;	3447	load_extensions;
2580		3448
2581	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2582	Event::loop;	3452	EV::loop;
2583	}	3453	}
2584		3454
2585	#############################################################################	3455	#############################################################################
2586	# initialisation and cleanup	3456	# initialisation and cleanup
2587		3457
2588	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2589	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2598	},
2599	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2600	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2601	}	3547	}
2602		3548
2603	sub emergency_save() {	3549	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2605		3551
…		…
2611	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2613	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3563	$pl->save;
2617	}	3564	}
2618	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2619		3566
2620	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2626	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
2627		3574
2628	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
2629	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
2630	warn "end emergency database checkpoint\n";	3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2631	};	3582	};
2632		3583
2633	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2634	}	3585	}
2635		3586
…		…
2637	my ($make_core) = @_;	3588	my ($make_core) = @_;
2638		3589
2639	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2640	if $make_core;	3591	if $make_core;
2641	}	3592	}
		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
2642		3621
2643	sub do_reload_perl() {	3622	sub do_reload_perl() {
2644	# can/must only be called in main	3623	# can/must only be called in main
2645	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2646	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2647	return;	3626	return;
2648	}	3627	}
2649		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2650	warn "reloading...";	3632	warn "reloading...";
2651		3633
2652	warn "entering sync_job";	3634	warn "entering sync_job";
2653		3635
2654	cf::sync_job {	3636	cf::sync_job {
2655	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2656	cf::emergency_save;	3638	cf::emergency_save;
2657	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2658		3640
2659	warn "syncing database to disk";	3641	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
2661		3643
2662	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2663		3645
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2670	for (;;) {
2671	BDB::flush;
2672	IO::AIO::flush;
2673	Coro::cede;
2674	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2675	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2676	}
2677
2678	++$RELOAD;
2679
2680	warn "cancelling all extension coros";
2681	$_->cancel for values %EXT_CORO;
2682	%EXT_CORO = ();
2683
2684	warn "removing commands";
2685	%COMMAND = ();
2686
2687	warn "removing ext commands";
2688	%EXTCMD = ();
2689
2690	warn "unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";
2693
2694	if (my $cb = $pkg->can ("unload")) {
2695	eval {
2696	$cb->($pkg);
2697	1
2698	} or warn "$pkg unloaded, but with errors: $@";
2699	}	3649	}
2700		3650
2701	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2702	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2703	}	3653	%EXT_CORO = ();
2704		3654
2705	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2706	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2708		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2709	warn "... unloading $k";	3664	warn "... unloading $pkg";
2710	delete $INC{$k};
2711		3665
2712	$k =~ s/\.pm$//;
2713	$k =~ s/\//::/g;
2714
2715	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2716	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2717	}	3675	}
2718		3676
2719	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2720	}	3692	}
2721		3693
2722	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2723	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2725		3697
2726	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2727	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
2728	delete $INC{"cf/pod.pm"};	3700	delete $INC{"cf/pod.pm"};
2729		3701
2730	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2731	# and global variables created in xs	3703	# and global variables created in xs
2732	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2733		3705
2734	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2735		3707
2736	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2737	require cf;	3709	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2739		3711
2740	warn "loading config and database again";	3712	warn "loading config and database again";
2741	cf::cfg_load;	3713	cf::reload_config;
2742		3714
2743	warn "loading extensions";	3715	warn "loading extensions";
2744	cf::load_extensions;	3716	cf::load_extensions;
2745		3717
2746	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2747	_global_reattach; # objects, sockets	3719	_global_reattach; # objects, sockets
2748	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2749	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
2750	warn "reattaching attachments to players";	3722	warn "reattaching attachments to players";
2751	reattach $_ for values %PLAYER;	3723	reattach $_ for values %PLAYER;
2752		3724
2753	warn "leaving sync_job";	3725	warn "leaving sync_job";
2754		3726
2755	1	3727	1
2756	} or do {	3728	} or do {
2757	warn $@;	3729	warn $@;
2758	warn "error while reloading, exiting.";	3730	cf::cleanup "error while reloading, exiting.";
2759	exit 1;
2760	};	3731	};
2761		3732
2762	warn "reloaded";	3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
2763	};	3736	};
2764		3737
2765	our $RELOAD_WATCHER; # used only during reload	3738	our $RELOAD_WATCHER; # used only during reload
2766		3739
2767	sub reload_perl() {	3740	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	3741	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	3742	# coro crashes during coro_state_free->destroy here.
2770		3743
2771	$RELOAD_WATCHER ||= Event->timer (	3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2772	reentrant => 0,
2773	after => 0,
2774	data => WF_AUTOCANCEL,
2775	cb => sub {
2776	do_reload_perl;	3745	do_reload_perl;
2777	undef $RELOAD_WATCHER;	3746	undef $RELOAD_WATCHER;
2778	},
2779	);	3747	};
2780	}	3748	}
2781		3749
2782	register_command "reload" => sub {	3750	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2784		3752
2785	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
		3755	async {
		3756	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	3757	reload_perl;
		3758	};
2788	}	3759	}
2789	};	3760	};
2790		3761
2791	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2792		3763
…		…
2794		3765
2795	our @WAIT_FOR_TICK;	3766	our @WAIT_FOR_TICK;
2796	our @WAIT_FOR_TICK_BEGIN;	3767	our @WAIT_FOR_TICK_BEGIN;
2797		3768
2798	sub wait_for_tick {	3769	sub wait_for_tick {
2799	return unless $TICK_WATCHER->is_active;
2800	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2801		3771
2802	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
2803	push @WAIT_FOR_TICK, $signal;	3773	push @WAIT_FOR_TICK, $signal;
2804	$signal->wait;	3774	$signal->wait;
2805	}	3775	}
2806		3776
2807	sub wait_for_tick_begin {	3777	sub wait_for_tick_begin {
2808	return unless $TICK_WATCHER->is_active;
2809	return if $Coro::current == $Coro::main;	3778	return if tick_inhibit || $Coro::current == $Coro::main;
2810		3779
2811	my $signal = new Coro::Signal;	3780	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	3781	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	3782	$signal->wait;
2814	}	3783	}
2815		3784
2816	$TICK_WATCHER = Event->timer (	3785	sub tick {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2826	return;	3789	return;
2827	}	3790	}
2828		3791
2829	$NOW = Event::time;
2830
2831	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2832		3793
2833	$RUNTIME += $TICK;
2834	$NEXT_TICK += $TICK;
2835
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	3796	Coro::async_pool {
		3797	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	3798	write_runtime_sync
2840	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
2841	};
2842	}	3800	};
		3801	}
2843		3802
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	3804	$sig->send;
2855	}	3805	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {	3806	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;	3807	$sig->send;
2858	}
2859
2860	_post_tick;
2861	},	3808	}
2862	);	3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
2863		3821
2864	{	3822	{
2865	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	3824
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
2875		3826	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		3828
2891	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		3836
2894	cf::sync_job {	3837	cf::sync_job {
2895	eval {	3838	eval {
2896	BDB::db_env_open	3839	BDB::db_env_open
2897	$DB_ENV,	3840	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	3844	0666;
2902		3845
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	3847	};
2908		3848
2909	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	3850	};
2911	}	3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
2912	}	3862	}
2913		3863
2914	{	3864	{
		3865	# configure IO::AIO
		3866
2915	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	3870	}
2928		3871
2929	my $_log_backtrace;	3872	my $_log_backtrace;
2930		3873
2931	sub _log_backtrace {	3874	sub _log_backtrace {
…		…
2935		3878
2936	# limit the # of concurrent backtraces	3879	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	3880	if ($_log_backtrace < 2) {
2938	++$_log_backtrace;	3881	++$_log_backtrace;
2939	async {	3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
2940	my @bt = fork_call {	3885	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	3886	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	3889	or die "addr2line: $!";

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