ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 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 $runtime = "$LOCALDIR/runtime";
373		536
374	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		541
377	warn "touching runtime...\n";#d#	542	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	543
379	utime undef, undef, $fh;	544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
		546
		547	# we seemingly have to make a local copy of the whole thing,
		548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
		550
		551	my @res = Coro::Util::fork_eval {
		552	reset_signals;
		553	&$cb
		554	}, @args;
		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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 $!;
380	}	613	};
		614	cf::cleanup "db_open(db): $@" if $@;
381		615
382	my $guard = cf::lock_acquire "write_runtime";	616	$db
		617	}
383		618
384	warn "starting to write runtime...\n";#d#	619	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		620
388	my $value = $cf::RUNTIME + 90 + 10;	621	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	622	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	623	$DB ||= db_table "db";
		624	};
		625	}
391		626
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	sub db_get($$) {
393	and return;	628	my $key = "$_[0]/$_[1]";
394		629
395	# always fsync - this file is important	630	cf::sync_job {
396	aio_fsync $fh	631	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		632
399	# touch it again to show we are up-to-date	633	$! ? ()
400	utime undef, undef, $fh;	634	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
411	}	711	}
412		712
413	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
414		714
415	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.
…		…
433	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")
434	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
435		735
436	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>
437	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
438	crossfire+).	738	Deliantra).
439		739
440	=over 4	740	=over 4
441		741
442	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
443		743
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
607		907
608	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		912
613	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	914	my $pkg = shift @arg;
615		915
616	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
646	}	946	}
647		947
648	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
649	} else {	949	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	951	}
652		952
653	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
654	}	954	}
655		955
…		…
657	if (ref $_[0]) {	957	if (ref $_[0]) {
658	_object_attach @_;	958	_object_attach @_;
659	} else {	959	} else {
660	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
661	}	961	}
		962	_recalc_want;
662	};	963	};
663		964
664	# all those should be optimised	965	# all those should be optimised
665	sub cf::attachable::detach {	966	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
670	reattach ($obj);	971	reattach ($obj);
671	} else {	972	} else {
672	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
673	}	974	}
		975	_recalc_want;
674	};	976	};
675		977
676	sub cf::attachable::attached {	978	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
678		980
…		…
693	";	995	";
694	die if $@;	996	die if $@;
695	}	997	}
696		998
697	our $override;	999	our $override;
698	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?
699		1001
700	sub override {	1002	sub override {
701	$override = 1;	1003	$override = 1;
702	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
703	}	1005	}
704		1006
705	sub do_invoke {	1007	sub do_invoke {
706	my $event = shift;	1008	my $event = shift;
707	my $callbacks = shift;	1009	my $callbacks = shift;
708		1010
709	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
710		1012
711	local $override;	1013	local $override;
712		1014
713	for (@$callbacks) {	1015	for (@$callbacks) {
714	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
723	}	1025	}
724		1026
725	0	1027	0
726	}	1028	}
727		1029
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1031
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1033
732	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
733		1035
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1039
738	=back	1040	=back
739		1041
740	=cut	1042	=cut
741		1043
742	#############################################################################	1044	#############################################################################
743	# 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, $ob2
		1087	}
744		1088
745	sub reattach {	1089	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1091	my ($obj) = @_;
748		1092
		1093	# no longer needed after getting rid of delete_package?
749	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
750		1095
751	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
752		1097
753	@$registry = ();	1098	@$registry = ();
754		1099
…		…
769	cf::attachable->attach (	1114	cf::attachable->attach (
770	prio => -1000000,	1115	prio => -1000000,
771	on_instantiate => sub {	1116	on_instantiate => sub {
772	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
773		1118
774	$data = from_json $data;	1119	$data = decode_json $data;
775		1120
776	for (@$data) {	1121	for (@$data) {
777	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
778		1123
779	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1140	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
797		1142
798	sync_job {	1143	sync_job {
799	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
802		1148
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1153	aio_close $fh;
808		1154
809	if (@$objs) {	1155	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1161	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
817	}	1163	}
818	} else {	1164	} else {
819	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
820	}	1166	}
…		…
825	}	1171	}
826	} else {	1172	} else {
827	aio_unlink $filename;	1173	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
829	}	1175	}
830	}	1176	};
831	}	1177	}
832		1178
833	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
835		1181
…		…
847	or return;	1193	or return;
848		1194
849	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
851	or return;	1197	or return;
		1198
852	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
853	}	1201	}
854		1202
		1203	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
857	return ($data, $av);	1207	($data, $av)
858	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
859		1215
860	#############################################################################	1216	#############################################################################
861	# command handling &c	1217	# command handling &c
862		1218
863	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1233	}
878		1234
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1236
881	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.
882		1242
883	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
884	called.	1244	called.
885		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
886	=cut	1257	=cut
887		1258
888	sub register_extcmd {	1259	sub register_extcmd {
889	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
890		1261
891	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
892	}	1269	}
893		1270
894	cf::player->attach (	1271	cf::player->attach (
895	on_command => sub {	1272	on_command => sub {
896	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1282	cf::override;
906	},	1283	},
907	on_extcmd => sub {	1284	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
909		1286
910	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1288
912	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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
918	} else {	1304	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1306	}
921		1307
922	cf::override;	1308	cf::override;
923	},	1309	},
924	);	1310	);
925		1311
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
961	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1317	next unless -r $path;
963	eval {	1318
964	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	$progress = 1;
965	1	1375	}
966	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
967	}	1381	};
968	}	1382	}
969		1383
970	#############################################################################	1384	#############################################################################
971		1385
		1386	=back
		1387
972	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
973		1389
974	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
975		1391
976	=cut	1392	=cut
…		…
980	use Coro::AIO;	1396	use Coro::AIO;
981		1397
982	=head3 cf::player	1398	=head3 cf::player
983		1399
984	=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	}
985		1415
986	=item cf::player::find $login	1416	=item cf::player::find $login
987		1417
988	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
989		1419
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1459
1030	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1033	}	1469	}
1034	}	1470	}
1035	}	1471	}
1036		1472
…		…
1045	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1046		1482
1047	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1049		1485
		1486	cf::get_slot 0.01;
		1487
1050	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1051	Coro::cede;	1489	cf::cede_to_tick;
1052	}	1490	}
1053		1491
1054	sub new($) {	1492	sub new($) {
1055	my ($login) = @_;	1493	my ($login) = @_;
1056		1494
…		…
1062	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1063		1501
1064	$self	1502	$self
1065	}	1503	}
1066		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
1067	=item $pl->quit_character	1515	=item $pl->quit_character
1068		1516
1069	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
1070	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1071		1519
…		…
1079	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1080	$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
1081		1529
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1086		1536
1087	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1574	or return [];
1125		1575
1126	my @logins;	1576	my @logins;
1127		1577
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1132		1588
1133	utf8::decode $login;	1589	utf8::decode $login;
1134	push @logins, $login;	1590	push @logins, $login;
1135	}	1591	}
1136		1592
…		…
1163	}	1619	}
1164		1620
1165	\@paths	1621	\@paths
1166	}	1622	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1169		1718
1170	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1171		1720
1172	=cut	1721	=cut
1173		1722
1174	sub ext_reply($$%) {	1723	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1176		1725
1177	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1727	}
1181		1728
1182	=item $player->ext_event ($type, %msg)	1729	=item $player->ext_msg ($type, @msg)
1183		1730
1184	Sends an ext event to the client.	1731	Sends an ext event to the client.
1185		1732
1186	=cut	1733	=cut
1187		1734
1188	sub ext_event($$%) {	1735	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1736	my ($self, $type, @msg) = @_;
1190		1737
1191	$self->ns->ext_event ($type, %msg);	1738	$self->ns->ext_msg ($type, @msg);
1192	}	1739	}
1193		1740
1194	=head3 cf::region	1741	=head3 cf::region
1195		1742
1196	=over 4	1743	=over 4
…		…
1199		1746
1200	package cf::region;	1747	package cf::region;
1201		1748
1202	=item cf::region::find_by_path $path	1749	=item cf::region::find_by_path $path
1203		1750
1204	Tries to decuce the probable region for a map knowing only its path.	1751	Tries to decuce the likely region for a map knowing only its path.
1205		1752
1206	=cut	1753	=cut
1207		1754
1208	sub find_by_path($) {	1755	sub find_by_path($) {
1209	my ($path) = @_;	1756	my ($path) = @_;
1210		1757
1211	my ($match, $specificity);	1758	my ($match, $specificity);
1212		1759
1213	for my $region (list) {	1760	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1761	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1762	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1763	if $region->specificity > $specificity;
1217	}	1764	}
1218	}	1765	}
1219		1766
…		…
1240	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1242		1789
1243	sub generate_random_map {	1790	sub generate_random_map {
1244	my ($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
1245	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1796	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1284		1834
1285	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1286	local $self->{path};	1836	local $self->{path};
1287	local $self->{load_path};	1837	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1838
1291	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1292	}	1840	}
1293		1841
1294	sub normalise {	1842	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1342	return $self;	1890	return $self;
1343	}	1891	}
1344	}	1892	}
1345		1893
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1895	()
1348	}	1896	}
1349		1897
1350	sub init {	1898	sub init {
1351	my ($self) = @_;	1899	my ($self) = @_;
…		…
1373		1921
1374	# the temporary/swap location	1922	# the temporary/swap location
1375	sub save_path {	1923	sub save_path {
1376	my ($self) = @_;	1924	my ($self) = @_;
1377		1925
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1927	"$TMPDIR/$path.map"
1380	}	1928	}
1381		1929
1382	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1383	sub uniq_path {	1931	sub uniq_path {
1384	my ($self) = @_;	1932	my ($self) = @_;
1385		1933
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1935	"$UNIQUEDIR/$path"
1388	}	1936	}
1389		1937
1390	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1391	# all maps in C++...	1939	# all maps in C++...
…		…
1394		1942
1395	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1397	}	1945	}
1398		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1399	sub unlink_save {	1955	sub unlink_save {
1400	my ($self) = @_;	1956	my ($self) = @_;
1401		1957
1402	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1962
1407	sub load_header_from($) {	1963	sub load_header_from($) {
1408	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1409		1965
1410	utf8::encode $path;	1966	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1975
1417	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1418		1977
1419	1	1978	1
1420	}	1979	}
…		…
1459	$self->load_header_orig	2018	$self->load_header_orig
1460	or return;	2019	or return;
1461	$self->prepare_orig;	2020	$self->prepare_orig;
1462	}	2021	}
1463		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
1464	$self->default_region (cf::region::find_by_path $self->{path})	2026	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2027	unless $self->default_region;
1466		2028
1467	1	2029	1
1468	}	2030	}
…		…
1471	sub find {	2033	sub find {
1472	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1473		2035
1474	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1475		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1477		2040
1478	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1480	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1481	or return;	2046	or return;
1482		2047
1483	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1484		2049
1485	$map->load_header	2050	$map->load_header
1486	or return;	2051	or return;
1487		2052
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1491	$map->reset;	2058	$map->reset;
1492	undef $guard;
1493	return find $path;	2059	return find $path;
1494	}	2060	}
1495		2061
1496	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1497	}	2063	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1507		2073
1508	my $path = $self->{path};	2074	my $path = $self->{path};
1509		2075
1510	{	2076	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1512		2078
		2079	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2081
1515	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1516		2083
1517	$self->alloc;	2084	$self->alloc;
1518		2085
1519	$self->pre_load;	2086	$self->pre_load;
1520	Coro::cede;	2087	cf::cede_to_tick;
1521		2088
		2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2091	$self->_load_objects ($f)
1523	or return;	2092	or return;
1524		2093
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1526	if delete $self->{load_original};	2095	if delete $self->{load_original};
1527		2096
1528	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2098	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2101	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1533	}	2105	}
1534	}	2106	}
1535		2107
1536	Coro::cede;	2108	$f->resolve_delayed_derefs;
		2109
		2110	cf::cede_to_tick;
1537	# now do the right thing for maps	2111	# now do the right thing for maps
1538	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2114	unless $self->difficulty;
1541	Coro::cede;	2115	cf::cede_to_tick;
1542		2116
1543	unless ($self->{deny_activate}) {	2117	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2118	$self->decay_objects;
1545	$self->fix_auto_apply;	2119	$self->fix_auto_apply;
1546	$self->update_buttons;	2120	$self->update_buttons;
1547	Coro::cede;	2121	cf::cede_to_tick;
1548	$self->set_darkness_map;	2122	$self->set_darkness_map;
1549	Coro::cede;	2123	cf::cede_to_tick;
1550	$self->activate;	2124	$self->activate;
1551	}	2125	}
1552		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2130	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2131	}
1555		2132
1556	$self->post_load;	2133	$self->post_load;
1557	}	2134	}
1558		2135
…		…
1560	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1561		2138
1562	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2140	if $self->per_player;
1564		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1565	$self	2145	$self
1566	}	2146	}
1567		2147
1568	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2149	sub load_neighbours {
1570	my ($map) = @_;	2150	my ($map) = @_;
1571		2151
1572	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1573		2153
1574	for (0 .. 3) {	2154	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1576	or next;	2156	or next;
1577	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1578	or next;	2158	or next;
1579	$neigh->load;	2159	$neigh->load;
1580		2160
		2161	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2164	}
1584		2165
1585	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1587	or next;	2169	or next;
1588	$neigh->load;	2170	$neigh->load;
1589	}	2171	}
1590	}	2172	}
1591		2173
…		…
1596	}	2178	}
1597		2179
1598	sub do_load_sync {	2180	sub do_load_sync {
1599	my ($map) = @_;	2181	my ($map) = @_;
1600		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1601	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1602	}	2187	}
1603		2188
1604	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1606		2191
1607	sub find_async {	2192	sub find_async {
1608	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1609		2194
1610	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1611		2196
1612	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2199	}
1615		2200
1616	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1617	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1618	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2208	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2209	$map->load if $v;
		2210	}
1623		2211
1624	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1625	}	2213	}
1626	}	2214	}
1627	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1628	};	2216	};
1629	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2220	}
1633		2221
1634	sub save {	2222	sub save {
1635	my ($self) = @_;	2223	my ($self) = @_;
1636		2224
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2226
1639	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1640		2228
1641	return unless $self->dirty;	2229	return unless $self->dirty;
1642		2230
…		…
1648	return if $self->{deny_save};	2236	return if $self->{deny_save};
1649		2237
1650	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1651		2239
1652	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1654	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1655		2246
1656	if ($uniq) {	2247	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2250	} else {
…		…
1665	my ($self) = @_;	2256	my ($self) = @_;
1666		2257
1667	# save first because save cedes	2258	# save first because save cedes
1668	$self->save;	2259	$self->save;
1669		2260
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2262
1672	return if $self->players;	2263	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2265	return if $self->{deny_save};
1675		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2271	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2272	}
1679		2273
1680	sub reset_at {	2274	sub reset_at {
1681	my ($self) = @_;	2275	my ($self) = @_;
1682		2276
1683	# TODO: safety, remove and allow resettable per-player maps	2277	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2278	return 1e99 if $self->{deny_reset};
1686		2279
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2282
…		…
1700	my ($self) = @_;	2293	my ($self) = @_;
1701		2294
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2296
1704	return if $self->players;	2297	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2298
1707	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
1708		2300
1709	$self->in_memory (cf::MAP_SWAPPED);	2301	$self->in_memory (cf::MAP_SWAPPED);
1710		2302
1711	# need to save uniques path	2303	# need to save uniques path
1712	unless ($self->{deny_save}) {	2304	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2308	if $uniq;
1717	}	2309	}
1718		2310
1719	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1720		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2315	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2316
1725	$self->unlink_save;	2317	$self->unlink_save;
1726	$self->destroy;	2318	$self->destroy;
1727	}	2319	}
1728		2320
1729	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1730		2322
1731	sub nuke {	2323	sub nuke {
1732	my ($self) = @_;	2324	my ($self) = @_;
1733		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1734	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1735		2330
1736	$self->unlink_save;	2331	$self->unlink_save;
1737		2332
1738	bless $self, "cf::map";	2333	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2338
1744	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1745		2341
1746	$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	]
1747	}	2379	}
1748		2380
1749	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1750		2382
1751	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2384	instantiated unique items. May block.
1753		2385
1754	=cut	2386	=cut
1755		2387
1756	sub unique_maps() {	2388	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2389	[
1758	or return;	2390	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2391	utf8::decode $_;
1764	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2394	? ()
1767	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2397	]
1769
1770	\@paths
1771	}	2398	}
1772
1773	package cf;
1774		2399
1775	=back	2400	=back
1776		2401
1777	=head3 cf::object	2402	=head3 cf::object
1778		2403
…		…
1782		2407
1783	=over 4	2408	=over 4
1784		2409
1785	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1786		2411
1787	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.
1788		2414
1789	=cut	2415	=cut
1790		2416
1791	sub inv_recursive_;	2417	sub inv_recursive_;
1792	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1795		2421
1796	sub inv_recursive {	2422	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1798	}	2424	}
1799		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
1800	package cf;	2454	package cf;
1801		2455
1802	=back	2456	=back
1803		2457
1804	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1810	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>
1811	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
1812	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1813		2467
1814	=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	};
1815		2483
1816	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2485	# with dialog boxes.
1818	#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
1819	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1821		2489
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2491
1824	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1826	} 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 {
1827	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1829	}	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 (@_);
1830	}	2517	}
1831		2518
1832	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1833		2520
1834	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1882		2569
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2571
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1887		2574
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2576	}
1890		2577
1891	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1893		2582
1894	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1895		2584
1896	unless ($map) {	2585	unless ($map) {
1897	# restore original map position	2586	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1914		2603
1915	$map->load;	2604	$map->load;
1916	$map->load_diag;	2605	$map->load_neighbours;
1917		2606
1918	return unless $self->contr->active;	2607	return unless $self->contr->active;
1919	$self->activate_recursive;	2608	$self->activate_recursive;
1920		2609
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1923	}	2612	}
1924		2613
1925	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2615
1929	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1933	};	2620	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2621
1939	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1940	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2624
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1960		2628
1961	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1962	my ($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;
1963		2634
1964	$self->enter_link;	2635	$self->enter_link;
1965		2636
1966	(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
1967	my $map = eval {	2659	my $map = eval {
1968	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1969	$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
1970	$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 $@;
1971	} or	2675	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1975	})->prio (1);	2683	})->prio (1);
1976	}	2684	}
1977		2685
1978	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1979		2687
…		…
1999	}	2707	}
2000		2708
2001	sub prepare_random_map {	2709	sub prepare_random_map {
2002	my ($exit) = @_;	2710	my ($exit) = @_;
2003		2711
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2714	# that depends on the exit object
2009		2715
2010	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2718	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
2017	}	2725	}
2018		2726
2019	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
2020		2728
2021	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
2024		2732
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2735	undef $fh;
2028	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
2029		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
2032	}	2744	}
2033	}	2745	}
2034		2746
2035	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
2037		2749
2038	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
2039		2751
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2752	$self->enter_link;
2052		2753
2053	(async {	2754	(async {
2054	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
2055	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
2056	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
2057		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
2058	1;	2778	1
2059	}) {	2779	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
2061	. "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. "
2062	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2084		2804
2085	utf8::encode $text;	2805	utf8::encode $text;
2086	$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);
2087	}	2807	}
2088		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
2089	=item $client->ext_event ($type, %msg)	2939	=item $client->ext_msg ($type, @msg)
2090		2940
2091	Sends an exti event to the client.	2941	Sends an ext event to the client.
2092		2942
2093	=cut	2943	=cut
2094		2944
2095	sub cf::client::ext_event($$%) {	2945	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2946	my ($self, $type, @msg) = @_;
2097		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2951	push @msg, msgtype => "event_$type";
2099	$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	}
2100	}	2972	}
2101		2973
2102	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
2103		2975
2104	Queues a query to the client, calling the given callback with	2976	Queues a query to the client, calling the given callback with
2105	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>,
2106	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>.
2107		2979
2108	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
2109	reliable at some point in the future.	2981	become reliable at some point in the future.
2110		2982
2111	=cut	2983	=cut
2112		2984
2113	sub cf::client::query {	2985	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2994	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2996
2125	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
2127	}	3001	}
2128		3002
2129	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	},
2130	on_reply => sub {	3009	on_reply => sub {
2131	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2132		3011
2133	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2134	# get handled first	3013	# get handled first
…		…
2146	} else {	3025	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3027	}
2149	}	3028	}
2150	},	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	},
2151	);	3056	);
2152		3057
2153	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2154		3059
2155	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2198		3103
2199	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2200		3105
2201	$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	));
2202		3111
2203	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2204		3113
2205	=pod	3114	=pod
2206		3115
2207	The following functions and methods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2208		3117
2209	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
2210	cf::object::player player	3122	cf::object::player
2211	cf::player peaceful	3123	player
2212	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2213		3130
2214	=cut	3131	=cut
2215		3132
2216	for (	3133	for (
2217	["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)],
2218	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2221	) {	3140	) {
2222	no strict 'refs';	3141	no strict 'refs';
…		…
2293	=back	3212	=back
2294		3213
2295	=cut	3214	=cut
2296		3215
2297	#############################################################################	3216	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3217	# the server's init and main functions
2473		3218
2474	sub load_facedata($) {	3219	sub load_facedata($) {
2475	my ($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;
2476		3227
2477	warn "loading facedata from $path\n";	3228	warn "loading facedata from $path\n";
2478		3229
2479	my $facedata;	3230	my $facedata;
2480	0 < aio_load $path, $facedata	3231	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3234	$facedata = Coro::Storable::thaw $facedata;
2484		3235
2485	$facedata->{version} == 2	3236	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		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
2488	{	3246	{
2489	my $faces = $facedata->{faceinfo};	3247	my $faces = $facedata->{faceinfo};
2490		3248
2491	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3256
		3257	cf::cede_to_tick;
2497	}	3258	}
2498		3259
2499	while (my ($face, $info) = each %$faces) {	3260	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3261	next unless $info->{smooth};
		3262
2501	my $idx = cf::face::find $face	3263	my $idx = cf::face::find $face
2502	or next;	3264	or next;
		3265
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3269	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3271	}
2508	Coro::cede;	3272
		3273	cf::cede_to_tick;
2509	}	3274	}
2510	}	3275	}
2511		3276
2512	{	3277	{
2513	my $anims = $facedata->{animinfo};	3278	my $anims = $facedata->{animinfo};
2514		3279
2515	while (my ($anim, $info) = each %$anims) {	3280	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3282	cf::cede_to_tick;
2518	}	3283	}
2519		3284
2520	cf::anim::invalidate_all; # d'oh	3285	cf::anim::invalidate_all; # d'oh
2521	}	3286	}
2522		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
2523	1	3323	1
2524	}	3324	}
2525		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	$status
		3362	}
		3363
2526	sub reload_regions {	3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
2527	load_resource_file "$MAPDIR/regions"	3369	load_resource_file "$MAPDIR/regions"
2528	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 $_->{match};
		3375	}
2529	}	3376	}
2530		3377
2531	sub reload_facedata {	3378	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3379	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3380	or die "unable to load facedata\n";
…		…
2544	}	3391	}
2545		3392
2546	sub reload_resources {	3393	sub reload_resources {
2547	warn "reloading resource files...\n";	3394	warn "reloading resource files...\n";
2548		3395
2549	reload_regions;
2550	reload_facedata;	3396	reload_facedata;
2551	reload_archetypes;	3397	reload_archetypes;
		3398	reload_regions;
2552	reload_treasures;	3399	reload_treasures;
2553		3400
2554	warn "finished reloading resource files\n";	3401	warn "finished reloading resource files\n";
2555	}	3402	}
2556		3403
2557	sub init {	3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
2558	reload_resources;	3409	reload_resources;
2559	}	3410	}
2560		3411
2561	sub cfg_load {	3412	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3414	or return;
2564		3415
2565	local $/;	3416	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2567		3418
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3420
2570	$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};
2571	$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};
…		…
2582	sub main {	3433	sub main {
2583	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2585	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#
2586	(async {	3437	(async {
2587	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2589	};	3441	};
2590		3442
2591	cfg_load;	3443	{
		3444	my $guard = freeze_mainloop;
		3445	reload_config;
2592	db_init;	3446	db_init;
2593	load_extensions;	3447	load_extensions;
2594		3448
2595	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2596	Event::loop;	3452	EV::loop;
2597	}	3453	}
2598		3454
2599	#############################################################################	3455	#############################################################################
2600	# initialisation and cleanup	3456	# initialisation and cleanup
2601		3457
2602	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2603	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2612	},
2613	);	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
2614	}	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 };
2615	}	3547	}
2616		3548
2617	sub emergency_save() {	3549	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2619		3551
…		…
2625	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3563	$pl->save;
2631	}	3564	}
2632	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2633		3566
2634	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
2641		3574
2642	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
2644	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";
2645	};	3582	};
2646		3583
2647	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2648	}	3585	}
2649		3586
…		…
2651	my ($make_core) = @_;	3588	my ($make_core) = @_;
2652		3589
2653	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3591	if $make_core;
2655	}	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
2656		3621
2657	sub do_reload_perl() {	3622	sub do_reload_perl() {
2658	# can/must only be called in main	3623	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2660	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2661	return;	3626	return;
2662	}	3627	}
2663		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2664	warn "reloading...";	3632	warn "reloading...";
2665		3633
2666	warn "entering sync_job";	3634	warn "entering sync_job";
2667		3635
2668	cf::sync_job {	3636	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3638	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2672		3640
2673	warn "syncing database to disk";	3641	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3643
2676	# 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
2677		3645
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3649	}
2714		3650
2715	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2717	}	3653	%EXT_CORO = ();
2718		3654
2719	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3664	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3665
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2730	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2731	}	3675	}
2732		3676
2733	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;
2734	}	3692	}
2735		3693
2736	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2738	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);
2739		3697
2740	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3700	delete $INC{"cf/pod.pm"};
2743		3701
2744	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3703	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2747		3705
2748	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2749		3707
2750	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2751	require cf;	3709	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3711
2754	warn "loading config and database again";	3712	warn "loading config and database again";
2755	cf::cfg_load;	3713	cf::reload_config;
2756		3714
2757	warn "loading extensions";	3715	warn "loading extensions";
2758	cf::load_extensions;	3716	cf::load_extensions;
2759		3717
2760	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3719	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3722	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3723	reattach $_ for values %PLAYER;
2766		3724
2767	warn "leaving sync_job";	3725	warn "leaving sync_job";
2768		3726
2769	1	3727	1
2770	} or do {	3728	} or do {
2771	warn $@;	3729	warn $@;
2772	warn "error while reloading, exiting.";	3730	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3731	};
2775		3732
2776	warn "reloaded";	3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
2777	};	3736	};
2778		3737
2779	our $RELOAD_WATCHER; # used only during reload	3738	our $RELOAD_WATCHER; # used only during reload
2780		3739
2781	sub reload_perl() {	3740	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3741	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3742	# coro crashes during coro_state_free->destroy here.
2784		3743
2785	$RELOAD_WATCHER ||= Event->timer (	3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3745	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3746	undef $RELOAD_WATCHER;
2792	},
2793	);	3747	};
2794	}	3748	}
2795		3749
2796	register_command "reload" => sub {	3750	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2798		3752
2799	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
		3755	async {
		3756	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3757	reload_perl;
		3758	};
2802	}	3759	}
2803	};	3760	};
2804		3761
2805	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2806		3763
…		…
2808		3765
2809	our @WAIT_FOR_TICK;	3766	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3767	our @WAIT_FOR_TICK_BEGIN;
2811		3768
2812	sub wait_for_tick {	3769	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3771
2816	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3773	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3774	$signal->wait;
2819	}	3775	}
2820		3776
2821	sub wait_for_tick_begin {	3777	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3778	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3779
2825	my $signal = new Coro::Signal;	3780	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3781	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3782	$signal->wait;
2828	}	3783	}
2829		3784
2830	$TICK_WATCHER = Event->timer (	3785	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2838	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"
2839	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2840	return;	3789	return;
2841	}	3790	}
2842		3791
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2846		3793
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3796	Coro::async_pool {
		3797	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3798	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3800	};
		3801	}
2857		3802
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3804	$sig->send;
2869	}	3805	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3806	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3807	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3808	}
2876	);	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	}
2877		3821
2878	{	3822	{
2879	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3824
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
2889		3826	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3828
2905	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
2906	$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);
2907		3836
2908	cf::sync_job {	3837	cf::sync_job {
2909	eval {	3838	eval {
2910	BDB::db_env_open	3839	BDB::db_env_open
2911	$DB_ENV,	3840	$DB_ENV,
…		…
2913	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
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3844	0666;
2916		3845
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3847	};
2922		3848
2923	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3850	};
2925	}	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	};
2926	}	3862	}
2927		3863
2928	{	3864	{
		3865	# configure IO::AIO
		3866
2929	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3870	}
2942		3871
2943	my $_log_backtrace;	3872	my $_log_backtrace;
2944		3873
2945	sub _log_backtrace {	3874	sub _log_backtrace {
…		…
2949		3878
2950	# limit the # of concurrent backtraces	3879	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3880	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3881	++$_log_backtrace;
2953	async {	3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
2954	my @bt = fork_call {	3885	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3886	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	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 |"
2958	or die "addr2line: $!";	3889	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines