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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
71		98
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	101	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	107	our $DB_ENV;
82		108
83	our %CFG;	109	our %CFG;
84		110
85	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
87		114
88	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
91		118
92	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
94		126
95	binmode STDOUT;	127	binmode STDOUT;
96	binmode STDERR;	128	binmode STDERR;
97		129
98	# read virtual server time, if available	130	# read virtual server time, if available
…		…
139		171
140	=item $cf::TICK	172	=item $cf::TICK
141		173
142	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
143		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
144	=item %cf::CFG	186	=item %cf::CFG
145		187
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	189	from wherever your confdir points to.
148		190
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		192
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
155	=back	203	=back
156		204
157	=cut	205	=cut
158		206
159	BEGIN {	207	BEGIN {
…		…
163	$msg .= "\n"	211	$msg .= "\n"
164	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
165		213
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		215
168	utf8::encode $msg;
169	LOG llevError, $msg;	216	LOG llevError, $msg;
170	};	217	};
171	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
172		234
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		242
180	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	244	# within the Safe compartment.
182	for my $pkg (qw(	245	for my $pkg (qw(
183	cf::global cf::attachable	246	cf::global cf::attachable
184	cf::object cf::object::player	247	cf::object cf::object::player
185	cf::client cf::player	248	cf::client cf::player
186	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
187	cf::map cf::party cf::region	251	cf::party cf::region
188	)) {	252	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	254	}
192		255
193	$Event::DIED = sub {	256	$EV::DIED = sub {
194	warn "error in event callback: @_";	257	warn "error in event callback: @_";
195	};	258	};
		259
		260	#############################################################################
196		261
197	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
198		263
199	=over 4	264	=over 4
200		265
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	285	$d
221	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
222	}	287	}
223		288
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
227		290
228	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
229		292
230	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
231		294
232	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
233		303
234	=item cf::lock_wait $string	304	=item cf::lock_wait $string
235		305
236	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
237		307
…		…
240	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
243	returned.	313	returned.
244		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
245	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
247		320
248	=item $locked = cf::lock_active $string	321	=item $locked = cf::lock_active $string
249		322
250	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
251		324
252	=cut	325	=cut
253		326
254	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
255		329
256	sub lock_wait($) {	330	sub lock_wait($) {
257	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
258		337
259	# wait for lock, if any	338	# wait for lock, if any
260	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	341	Coro::schedule;
…		…
268		347
269	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
270	lock_wait $key;	349	lock_wait $key;
271		350
272	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
273		353
274	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
277	}	358	}
278	}	359	}
279		360
…		…
282		363
283	! ! $LOCK{$key}	364	! ! $LOCK{$key}
284	}	365	}
285		366
286	sub freeze_mainloop {	367	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
288		369
289	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
291	};	431	}
292	$TICK_WATCHER->stop;	432	};
293	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
294	}	446	}
295		447
296	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
297		449
298	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		455
304	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
305		457
306	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
307		459
308	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
311		464
312	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
315	fast or be very important.	468	fast or be very important.
…		…
318		471
319	sub sync_job(&) {	472	sub sync_job(&) {
320	my ($job) = @_;	473	my ($job) = @_;
321		474
322	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
323	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
325		480
326	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	482
328	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
329		484
330	my $busy = 1;	485	my $busy = 1;
331	my @res;	486	my @res;
332		487
333	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	490	@res = eval { $job->() };
335	warn $@ if $@;	491	warn $@ if $@;
336	undef $busy;	492	undef $busy;
337	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
338		494
339	while ($busy) {	495	while ($busy) {
340	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
341	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
342		506
343	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
344	} else {	508	} else {
345	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
346		510
…		…
366	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
367		531
368	$coro	532	$coro
369	}	533	}
370		534
371	sub write_runtime {	535	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		536
374	my $runtime = "$LOCALDIR/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
375		541
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
377	or return;
378		543
379	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		546
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
384	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
385		550
386	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	552	reset_signals;
388	and return;	553	&$cb
		554	}, @args;
389		555
390	close $fh	556	wantarray ? @res : $res[-1]
391	or return;	557	}
392		558
393	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
394	and return;
395		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
396	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
397	}	711	}
398		712
399	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
400		714
401	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
421		735
422	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	738	Deliantra).
425		739
426	=over 4	740	=over 4
427		741
428	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
429		743
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
593		907
594	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		912
599	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	914	my $pkg = shift @arg;
601		915
602	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
632	}	946	}
633		947
634	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
635	} else {	949	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	951	}
638		952
639	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
640	}	954	}
641		955
…		…
643	if (ref $_[0]) {	957	if (ref $_[0]) {
644	_object_attach @_;	958	_object_attach @_;
645	} else {	959	} else {
646	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
647	}	961	}
		962	_recalc_want;
648	};	963	};
649		964
650	# all those should be optimised	965	# all those should be optimised
651	sub cf::attachable::detach {	966	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
656	reattach ($obj);	971	reattach ($obj);
657	} else {	972	} else {
658	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
659	}	974	}
		975	_recalc_want;
660	};	976	};
661		977
662	sub cf::attachable::attached {	978	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
664		980
…		…
679	";	995	";
680	die if $@;	996	die if $@;
681	}	997	}
682		998
683	our $override;	999	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1001
686	sub override {	1002	sub override {
687	$override = 1;	1003	$override = 1;
688	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
689	}	1005	}
690		1006
691	sub do_invoke {	1007	sub do_invoke {
692	my $event = shift;	1008	my $event = shift;
693	my $callbacks = shift;	1009	my $callbacks = shift;
694		1010
695	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
696		1012
697	local $override;	1013	local $override;
698		1014
699	for (@$callbacks) {	1015	for (@$callbacks) {
700	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
709	}	1025	}
710		1026
711	0	1027	0
712	}	1028	}
713		1029
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1031
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1033
718	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
719		1035
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1039
724	=back	1040	=back
725		1041
726	=cut	1042	=cut
727		1043
728	#############################################################################	1044	#############################################################################
729	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
730		1088
731	sub reattach {	1089	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1091	my ($obj) = @_;
734		1092
		1093	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1095
737	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
738		1097
739	@$registry = ();	1098	@$registry = ();
740		1099
…		…
755	cf::attachable->attach (	1114	cf::attachable->attach (
756	prio => -1000000,	1115	prio => -1000000,
757	on_instantiate => sub {	1116	on_instantiate => sub {
758	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
759		1118
760	$data = from_json $data;	1119	$data = decode_json $data;
761		1120
762	for (@$data) {	1121	for (@$data) {
763	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
764		1123
765	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1140	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
783		1142
784	sync_job {	1143	sync_job {
785	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
788		1148
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1153	aio_close $fh;
794		1154
795	if (@$objs) {	1155	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1161	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
803	}	1163	}
804	} else {	1164	} else {
805	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
806	}	1166	}
…		…
811	}	1171	}
812	} else {	1172	} else {
813	aio_unlink $filename;	1173	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
815	}	1175	}
816	}	1176	};
817	}	1177	}
818		1178
819	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
821		1181
…		…
833	or return;	1193	or return;
834		1194
835	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
837	or return;	1197	or return;
		1198
838	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
839	}	1201	}
840		1202
		1203	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
843	return ($data, $av);	1207	($data, $av)
844	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
845		1215
846	#############################################################################	1216	#############################################################################
847	# command handling &c	1217	# command handling &c
848		1218
849	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1233	}
864		1234
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1236
867	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
868		1242
869	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
870	called.	1244	called.
871		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
872	=cut	1257	=cut
873		1258
874	sub register_extcmd {	1259	sub register_extcmd {
875	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
876		1261
877	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
878	}	1269	}
879		1270
880	cf::player->attach (	1271	cf::player->attach (
881	on_command => sub {	1272	on_command => sub {
882	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1282	cf::override;
892	},	1283	},
893	on_extcmd => sub {	1284	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
895		1286
896	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1288
898	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
904	} else {	1304	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1306	}
907		1307
908	cf::override;	1308	cf::override;
909	},	1309	},
910	);	1310	);
911		1311
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
947	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1317	next unless -r $path;
949	eval {	1318
950	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
951	1	1375	}
952	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
953	}	1381	};
954	}	1382	}
955		1383
956	#############################################################################	1384	#############################################################################
957		1385
		1386	=back
		1387
958	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
959		1389
960	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
961		1391
962	=cut	1392	=cut
…		…
966	use Coro::AIO;	1396	use Coro::AIO;
967		1397
968	=head3 cf::player	1398	=head3 cf::player
969		1399
970	=over 4	1400	=over 4
		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
971		1415
972	=item cf::player::find $login	1416	=item cf::player::find $login
973		1417
974	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
975		1419
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1459
1016	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1019	}	1469	}
1020	}	1470	}
1021	}	1471	}
1022		1472
…		…
1031	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1032		1482
1033	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1035		1485
		1486	cf::get_slot 0.01;
		1487
1036	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1037	Coro::cede;	1489	cf::cede_to_tick;
1038	}	1490	}
1039		1491
1040	sub new($) {	1492	sub new($) {
1041	my ($login) = @_;	1493	my ($login) = @_;
1042		1494
…		…
1048	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1049		1501
1050	$self	1502	$self
1051	}	1503	}
1052		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1053	=item $pl->quit_character	1515	=item $pl->quit_character
1054		1516
1055	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1057		1519
…		…
1061	my ($pl) = @_;	1523	my ($pl) = @_;
1062		1524
1063	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1064		1526
1065	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1529
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1072		1536
1073	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1574	or return [];
1111		1575
1112	my @logins;	1576	my @logins;
1113		1577
1114	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1118		1588
1119	utf8::decode $login;	1589	utf8::decode $login;
1120	push @logins, $login;	1590	push @logins, $login;
1121	}	1591	}
1122		1592
…		…
1149	}	1619	}
1150		1620
1151	\@paths	1621	\@paths
1152	}	1622	}
1153		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1154	=item $player->ext_reply ($msgid, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1155		1629
1156	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1157		1631
1158	=cut	1632	=cut
1159		1633
1160	sub ext_reply($$%) {	1634	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1162		1636
1163	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1638	}
1167		1639
1168	=item $player->ext_event ($type, %msg)	1640	=item $player->ext_msg ($type, @msg)
1169		1641
1170	Sends an ext event to the client.	1642	Sends an ext event to the client.
1171		1643
1172	=cut	1644	=cut
1173		1645
1174	sub ext_event($$%) {	1646	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1647	my ($self, $type, @msg) = @_;
1176		1648
1177	$self->ns->ext_event ($type, %msg);	1649	$self->ns->ext_msg ($type, @msg);
1178	}	1650	}
1179		1651
1180	=head3 cf::region	1652	=head3 cf::region
1181		1653
1182	=over 4	1654	=over 4
…		…
1185		1657
1186	package cf::region;	1658	package cf::region;
1187		1659
1188	=item cf::region::find_by_path $path	1660	=item cf::region::find_by_path $path
1189		1661
1190	Tries to decuce the probable region for a map knowing only its path.	1662	Tries to decuce the likely region for a map knowing only its path.
1191		1663
1192	=cut	1664	=cut
1193		1665
1194	sub find_by_path($) {	1666	sub find_by_path($) {
1195	my ($path) = @_;	1667	my ($path) = @_;
1196		1668
1197	my ($match, $specificity);	1669	my ($match, $specificity);
1198		1670
1199	for my $region (list) {	1671	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1672	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1673	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1674	if $region->specificity > $specificity;
1203	}	1675	}
1204	}	1676	}
1205		1677
…		…
1226	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1228		1700
1229	sub generate_random_map {	1701	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1231	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1707	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1270		1745
1271	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1272	local $self->{path};	1747	local $self->{path};
1273	local $self->{load_path};	1748	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1749
1277	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1278	}	1751	}
1279		1752
1280	sub normalise {	1753	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1328	return $self;	1801	return $self;
1329	}	1802	}
1330	}	1803	}
1331		1804
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1806	()
1334	}	1807	}
1335		1808
1336	sub init {	1809	sub init {
1337	my ($self) = @_;	1810	my ($self) = @_;
…		…
1359		1832
1360	# the temporary/swap location	1833	# the temporary/swap location
1361	sub save_path {	1834	sub save_path {
1362	my ($self) = @_;	1835	my ($self) = @_;
1363		1836
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1838	"$TMPDIR/$path.map"
1366	}	1839	}
1367		1840
1368	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1369	sub uniq_path {	1842	sub uniq_path {
1370	my ($self) = @_;	1843	my ($self) = @_;
1371		1844
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1846	"$UNIQUEDIR/$path"
1374	}	1847	}
1375		1848
1376	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1377	# all maps in C++...	1850	# all maps in C++...
…		…
1380		1853
1381	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1383	}	1856	}
1384		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1385	sub unlink_save {	1866	sub unlink_save {
1386	my ($self) = @_;	1867	my ($self) = @_;
1387		1868
1388	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1873
1393	sub load_header_from($) {	1874	sub load_header_from($) {
1394	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1395		1876
1396	utf8::encode $path;	1877	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1879	or return;
		1880
		1881	$self->_load_header ($f)
		1882	or return;
		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
1402		1886
1403	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1404		1888
1405	1	1889	1
1406	}	1890	}
…		…
1445	$self->load_header_orig	1929	$self->load_header_orig
1446	or return;	1930	or return;
1447	$self->prepare_orig;	1931	$self->prepare_orig;
1448	}	1932	}
1449		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
1450	$self->default_region (cf::region::find_by_path $self->{path})	1937	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1938	unless $self->default_region;
1452		1939
1453	1	1940	1
1454	}	1941	}
…		…
1457	sub find {	1944	sub find {
1458	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1459		1946
1460	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1461		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1463		1951
1464	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1466	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1467	or return;	1957	or return;
1468		1958
1469	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1470		1960
1471	$map->load_header	1961	$map->load_header
1472	or return;	1962	or return;
1473		1963
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1477	$map->reset;	1969	$map->reset;
1478	undef $guard;
1479	return find $path;	1970	return find $path;
1480	}	1971	}
1481		1972
1482	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1483	}	1974	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1983	local $self->{deny_reset} = 1; # loading can take a long time
1493		1984
1494	my $path = $self->{path};	1985	my $path = $self->{path};
1495		1986
1496	{	1987	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1498		1989
		1990	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1992
1501	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1502		1994
1503	$self->alloc;	1995	$self->alloc;
1504		1996
1505	$self->pre_load;	1997	$self->pre_load;
1506	Coro::cede;	1998	cf::cede_to_tick;
1507		1999
		2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2002	$self->_load_objects ($f)
1509	or return;	2003	or return;
1510		2004
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1512	if delete $self->{load_original};	2006	if delete $self->{load_original};
1513		2007
1514	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2009	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2012	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1519	}	2016	}
1520	}	2017	}
1521		2018
1522	Coro::cede;	2019	$f->resolve_delayed_derefs;
		2020
		2021	cf::cede_to_tick;
1523	# now do the right thing for maps	2022	# now do the right thing for maps
1524	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2025	unless $self->difficulty;
1527	Coro::cede;	2026	cf::cede_to_tick;
1528		2027
1529	unless ($self->{deny_activate}) {	2028	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2029	$self->decay_objects;
1531	$self->fix_auto_apply;	2030	$self->fix_auto_apply;
1532	$self->update_buttons;	2031	$self->update_buttons;
1533	Coro::cede;	2032	cf::cede_to_tick;
1534	$self->set_darkness_map;	2033	$self->set_darkness_map;
1535	Coro::cede;	2034	cf::cede_to_tick;
1536	$self->activate;	2035	$self->activate;
1537	}	2036	}
1538		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2041	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2042	}
1541		2043
1542	$self->post_load;	2044	$self->post_load;
1543	}	2045	}
1544		2046
…		…
1546	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1547		2049
1548	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2051	if $self->per_player;
1550		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1551	$self	2056	$self
1552	}	2057	}
1553		2058
1554	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2060	sub load_neighbours {
1556	my ($map) = @_;	2061	my ($map) = @_;
1557		2062
1558	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1559		2064
1560	for (0 .. 3) {	2065	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1562	or next;	2067	or next;
1563	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1564	or next;	2069	or next;
1565	$neigh->load;	2070	$neigh->load;
1566		2071
		2072	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2075	}
1570		2076
1571	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1573	or next;	2080	or next;
1574	$neigh->load;	2081	$neigh->load;
1575	}	2082	}
1576	}	2083	}
1577		2084
…		…
1582	}	2089	}
1583		2090
1584	sub do_load_sync {	2091	sub do_load_sync {
1585	my ($map) = @_;	2092	my ($map) = @_;
1586		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1587	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1588	}	2098	}
1589		2099
1590	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1592		2102
1593	sub find_async {	2103	sub find_async {
1594	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1595		2105
1596	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1597		2107
1598	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2110	}
1601		2111
1602	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1603	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1604	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2119	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2120	$map->load if $v;
		2121	}
1609		2122
1610	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1611	}	2124	}
1612	}	2125	}
1613	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1614	};	2127	};
1615	$MAP_PREFETCHER->prio (6);	2128	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2131	}
1619		2132
1620	sub save {	2133	sub save {
1621	my ($self) = @_;	2134	my ($self) = @_;
1622		2135
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2137
1625	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1626		2139
1627	return unless $self->dirty;	2140	return unless $self->dirty;
1628		2141
…		…
1634	return if $self->{deny_save};	2147	return if $self->{deny_save};
1635		2148
1636	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1637		2150
1638	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1640	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1641		2157
1642	if ($uniq) {	2158	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2161	} else {
…		…
1651	my ($self) = @_;	2167	my ($self) = @_;
1652		2168
1653	# save first because save cedes	2169	# save first because save cedes
1654	$self->save;	2170	$self->save;
1655		2171
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2173
1658	return if $self->players;	2174	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2176	return if $self->{deny_save};
1661		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2182	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2183	}
1665		2184
1666	sub reset_at {	2185	sub reset_at {
1667	my ($self) = @_;	2186	my ($self) = @_;
1668		2187
1669	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1672		2190
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2193
…		…
1686	my ($self) = @_;	2204	my ($self) = @_;
1687		2205
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2207
1690	return if $self->players;	2208	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2209
1693	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
1694		2211
1695	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
1696		2213
1697	# need to save uniques path	2214	# need to save uniques path
1698	unless ($self->{deny_save}) {	2215	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2219	if $uniq;
1703	}	2220	}
1704		2221
1705	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1706		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2226	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2227
1711	$self->unlink_save;	2228	$self->unlink_save;
1712	$self->destroy;	2229	$self->destroy;
1713	}	2230	}
1714		2231
1715	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1716		2233
1717	sub nuke {	2234	sub nuke {
1718	my ($self) = @_;	2235	my ($self) = @_;
1719		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1720	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1721		2241
1722	$self->unlink_save;	2242	$self->unlink_save;
1723		2243
1724	bless $self, "cf::map";	2244	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2249
1730	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1731		2252
1732	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1733	}	2290	}
1734		2291
1735	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1736		2293
1737	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2295	instantiated unique items. May block.
1739		2296
1740	=cut	2297	=cut
1741		2298
1742	sub unique_maps() {	2299	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2300	[
1744	or return;	2301	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2302	utf8::decode $_;
1750	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2305	? ()
1753	push @paths, cf::map::normalise $_;	2306	: normalise $_
		2307	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2308	]
1755
1756	\@paths
1757	}	2309	}
1758
1759	package cf;
1760		2310
1761	=back	2311	=back
1762		2312
1763	=head3 cf::object	2313	=head3 cf::object
1764		2314
…		…
1768		2318
1769	=over 4	2319	=over 4
1770		2320
1771	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1772		2322
1773	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1774		2325
1775	=cut	2326	=cut
1776		2327
1777	sub inv_recursive_;	2328	sub inv_recursive_;
1778	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1781		2332
1782	sub inv_recursive {	2333	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1784	}	2335	}
1785		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1786	package cf;	2365	package cf;
1787		2366
1788	=back	2367	=back
1789		2368
1790	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1799		2378
1800	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1801		2394
1802	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2396	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1807		2400
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2402
1810	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1812	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1815	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1816	}	2428	}
1817		2429
1818	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1819		2431
1820	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1868		2480
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2482
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1873		2485
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2487	}
1876		2488
1877	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1879		2493
1880	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1881		2495
1882	unless ($map) {	2496	unless ($map) {
1883	# restore original map position	2497	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1900		2514
1901	$map->load;	2515	$map->load;
1902	$map->load_diag;	2516	$map->load_neighbours;
1903		2517
1904	return unless $self->contr->active;	2518	return unless $self->contr->active;
1905	$self->activate_recursive;	2519	$self->activate_recursive;
1906		2520
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1909	}	2523	}
1910		2524
1911	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2526
1915	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1919	};	2531	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2532
1925	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1926	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2535
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1946		2539
1947	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2545
1950	$self->enter_link;	2546	$self->enter_link;
1951		2547
1952	(async {	2548	(async {
		2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
1953	my $map = eval {	2570	my $map = eval {
1954	my $map = cf::map::find $path;	2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
		2575	$map = $check->($map) if $check && $map;
		2576	} else {
		2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579
1956	$map	2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2586	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1961	})->prio (1);	2594	})->prio (1);
1962	}	2595	}
1963		2596
1964	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1965		2598
…		…
1985	}	2618	}
1986		2619
1987	sub prepare_random_map {	2620	sub prepare_random_map {
1988	my ($exit) = @_;	2621	my ($exit) = @_;
1989		2622
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2625	# that depends on the exit object
1995		2626
1996	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2629	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2630	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
2003	}	2636	}
2004		2637
2005	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
2006		2639
2007	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
2010		2643
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2646	undef $fh;
2014	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
2015		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
2018	}	2655	}
2019	}	2656	}
2020		2657
2021	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
2023		2660
2024	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
2025		2662
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2663	$self->enter_link;
2038		2664
2039	(async {	2665	(async {
2040	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
2041	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
		2675	prepare_random_map $exit
		2676	if $exit->slaying eq "/!";
		2677	}
		2678
		2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
		2682
2042	$self->goto ($slaying, $hp, $sp);	2683	$self->goto ($map, $x, $y);
2043		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
2044	1;	2689	1
2045	}) {	2690	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
2047	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2070		2715
2071	utf8::encode $text;	2716	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2718	}
2074		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
2075	=item $client->ext_event ($type, %msg)	2864	=item $client->ext_msg ($type, @msg)
2076		2865
2077	Sends an exti event to the client.	2866	Sends an ext event to the client.
2078		2867
2079	=cut	2868	=cut
2080		2869
2081	sub cf::client::ext_event($$%) {	2870	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2871	my ($self, $type, @msg) = @_;
2083		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2876	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
2086	}	2897	}
2087		2898
2088	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
2089		2900
2090	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2904
2094	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2906	become reliable at some point in the future.
2096		2907
2097	=cut	2908	=cut
2098		2909
2099	sub cf::client::query {	2910	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2919	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2921
2111	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
2113	}	2926	}
2114		2927
2115	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
2116	on_reply => sub {	2934	on_reply => sub {
2117	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
2118		2936
2119	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
2120	# get handled first	2938	# get handled first
…		…
2132	} else {	2950	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2952	}
2135	}	2953	}
2136	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
2137	);	2981	);
2138		2982
2139	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
2140		2984
2141	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2184		3028
2185	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2186		3030
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2188		3036
2189	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2190		3038
2191	=pod	3039	=pod
2192		3040
2193	The following functions and methods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2194		3042
2195	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2196	cf::object::player player	3047	cf::object::player
2197	cf::player peaceful	3048	player
2198	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2199		3055
2200	=cut	3056	=cut
2201		3057
2202	for (	3058	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2204	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2207	) {	3065	) {
2208	no strict 'refs';	3066	no strict 'refs';
…		…
2279	=back	3137	=back
2280		3138
2281	=cut	3139	=cut
2282		3140
2283	#############################################################################	3141	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456
2457	#############################################################################
2458	# the server's init and main functions	3142	# the server's init and main functions
2459		3143
2460	sub load_facedata($) {	3144	sub load_facedata($) {
2461	my ($path) = @_;	3145	my ($path) = @_;
		3146
		3147	# HACK to clear player env face cache, we need some signal framework
		3148	# for this (global event?)
		3149	%ext::player_env::MUSIC_FACE_CACHE = ();
		3150
		3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2462		3152
2463	warn "loading facedata from $path\n";	3153	warn "loading facedata from $path\n";
2464		3154
2465	my $facedata;	3155	my $facedata;
2466	0 < aio_load $path, $facedata	3156	0 < aio_load $path, $facedata
…		…
2469	$facedata = Coro::Storable::thaw $facedata;	3159	$facedata = Coro::Storable::thaw $facedata;
2470		3160
2471	$facedata->{version} == 2	3161	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3163
		3164	# patch in the exptable
		3165	$facedata->{resource}{"res/exp_table"} = {
		3166	type => FT_RSRC,
		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3168	};
		3169	cf::cede_to_tick;
		3170
2474	{	3171	{
2475	my $faces = $facedata->{faceinfo};	3172	my $faces = $facedata->{faceinfo};
2476		3173
2477	while (my ($face, $info) = each %$faces) {	3174	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3176
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3177	cf::face::set_visibility $idx, $info->{visibility};
		3178	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2482	Coro::cede;	3181
		3182	cf::cede_to_tick;
2483	}	3183	}
2484		3184
2485	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3186	next unless $info->{smooth};
		3187
2487	my $idx = cf::face::find $face	3188	my $idx = cf::face::find $face
2488	or next;	3189	or next;
		3190
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3194	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3196	}
2494	Coro::cede;	3197
		3198	cf::cede_to_tick;
2495	}	3199	}
2496	}	3200	}
2497		3201
2498	{	3202	{
2499	my $anims = $facedata->{animinfo};	3203	my $anims = $facedata->{animinfo};
2500		3204
2501	while (my ($anim, $info) = each %$anims) {	3205	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3207	cf::cede_to_tick;
2504	}	3208	}
2505		3209
2506	cf::anim::invalidate_all; # d'oh	3210	cf::anim::invalidate_all; # d'oh
2507	}	3211	}
2508		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
2509	1	3248	1
2510	}	3249	}
2511		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
2512	sub reload_regions {	3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
2513	load_resource_file "$MAPDIR/regions"	3294	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
2515	}	3301	}
2516		3302
2517	sub reload_facedata {	3303	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3304	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3305	or die "unable to load facedata\n";
…		…
2530	}	3316	}
2531		3317
2532	sub reload_resources {	3318	sub reload_resources {
2533	warn "reloading resource files...\n";	3319	warn "reloading resource files...\n";
2534		3320
2535	reload_regions;
2536	reload_facedata;	3321	reload_facedata;
2537	reload_archetypes;	3322	reload_archetypes;
		3323	reload_regions;
2538	reload_treasures;	3324	reload_treasures;
2539		3325
2540	warn "finished reloading resource files\n";	3326	warn "finished reloading resource files\n";
2541	}	3327	}
2542		3328
2543	sub init {	3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
2544	reload_resources;	3334	reload_resources;
2545	}	3335	}
2546		3336
2547	sub cfg_load {	3337	sub reload_config {
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2549	or return;	3339	or return;
2550		3340
2551	local $/;	3341	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2553		3343
2554	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2555		3345
2556	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2557	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2568	sub main {	3358	sub main {
2569	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2572	(async {	3362	(async {
2573	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2575	};	3366	};
2576		3367
2577	cfg_load;	3368	{
		3369	my $guard = freeze_mainloop;
		3370	reload_config;
2578	db_init;	3371	db_init;
2579	load_extensions;	3372	load_extensions;
2580		3373
2581	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2582	Event::loop;	3377	EV::loop;
2583	}	3378	}
2584		3379
2585	#############################################################################	3380	#############################################################################
2586	# initialisation and cleanup	3381	# initialisation and cleanup
2587		3382
2588	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2589	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2598	},
2599	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2600	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2601	}	3472	}
2602		3473
2603	sub emergency_save() {	3474	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2605		3476
…		…
2611	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2613	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3488	$pl->save;
2617	}	3489	}
2618	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2619		3491
2620	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2626	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
2627		3499
2628	warn "begin emergency database checkpoint\n";	3500	warn "begin emergency database checkpoint\n";
2629	BDB::db_env_txn_checkpoint $DB_ENV;	3501	BDB::db_env_txn_checkpoint $DB_ENV;
2630	warn "end emergency database checkpoint\n";	3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2631	};	3507	};
2632		3508
2633	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2634	}	3510	}
2635		3511
…		…
2637	my ($make_core) = @_;	3513	my ($make_core) = @_;
2638		3514
2639	warn Carp::longmess "post_cleanup backtrace"	3515	warn Carp::longmess "post_cleanup backtrace"
2640	if $make_core;	3516	if $make_core;
2641	}	3517	}
		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
2642		3546
2643	sub do_reload_perl() {	3547	sub do_reload_perl() {
2644	# can/must only be called in main	3548	# can/must only be called in main
2645	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2646	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2647	return;	3551	return;
2648	}	3552	}
2649		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2650	warn "reloading...";	3557	warn "reloading...";
2651		3558
2652	warn "entering sync_job";	3559	warn "entering sync_job";
2653		3560
2654	cf::sync_job {	3561	cf::sync_job {
2655	cf::write_runtime; # external watchdog should not bark	3562	cf::write_runtime_sync; # external watchdog should not bark
2656	cf::emergency_save;	3563	cf::emergency_save;
2657	cf::write_runtime; # external watchdog should not bark	3564	cf::write_runtime_sync; # external watchdog should not bark
2658		3565
2659	warn "syncing database to disk";	3566	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2661		3568
2662	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2663		3570
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2670	for (;;) {
2671	BDB::flush;
2672	IO::AIO::flush;
2673	Coro::cede;
2674	last unless IO::AIO::nreqs || BDB::nreqs;	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2675	warn "iterate...";	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2676	}
2677
2678	++$RELOAD;
2679
2680	warn "cancelling all extension coros";
2681	$_->cancel for values %EXT_CORO;
2682	%EXT_CORO = ();
2683
2684	warn "removing commands";
2685	%COMMAND = ();
2686
2687	warn "removing ext commands";
2688	%EXTCMD = ();
2689
2690	warn "unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";
2693
2694	if (my $cb = $pkg->can ("unload")) {
2695	eval {
2696	$cb->($pkg);
2697	1
2698	} or warn "$pkg unloaded, but with errors: $@";
2699	}	3574	}
2700		3575
2701	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2702	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2703	}	3578	%EXT_CORO = ();
2704		3579
2705	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2706	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2708		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2709	warn "... unloading $k";	3589	warn "... unloading $pkg";
2710	delete $INC{$k};
2711		3590
2712	$k =~ s/\.pm$//;
2713	$k =~ s/\//::/g;
2714
2715	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2716	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2717	}	3600	}
2718		3601
2719	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2720	}	3617	}
2721		3618
2722	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2723	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2725		3622
2726	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2727	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
2728	delete $INC{"cf/pod.pm"};	3625	delete $INC{"cf/pod.pm"};
2729		3626
2730	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2731	# and global variables created in xs	3628	# and global variables created in xs
2732	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2733		3630
2734	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2735		3632
2736	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2737	require cf;	3634	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2739		3636
2740	warn "loading config and database again";	3637	warn "loading config and database again";
2741	cf::cfg_load;	3638	cf::reload_config;
2742		3639
2743	warn "loading extensions";	3640	warn "loading extensions";
2744	cf::load_extensions;	3641	cf::load_extensions;
2745		3642
2746	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2747	_global_reattach; # objects, sockets	3644	_global_reattach; # objects, sockets
2748	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2749	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
2750	warn "reattaching attachments to players";	3647	warn "reattaching attachments to players";
2751	reattach $_ for values %PLAYER;	3648	reattach $_ for values %PLAYER;
2752		3649
2753	warn "leaving sync_job";	3650	warn "leaving sync_job";
2754		3651
2755	1	3652	1
2756	} or do {	3653	} or do {
2757	warn $@;	3654	warn $@;
2758	warn "error while reloading, exiting.";	3655	cf::cleanup "error while reloading, exiting.";
2759	exit 1;
2760	};	3656	};
2761		3657
2762	warn "reloaded";	3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
2763	};	3661	};
2764		3662
2765	our $RELOAD_WATCHER; # used only during reload	3663	our $RELOAD_WATCHER; # used only during reload
2766		3664
2767	sub reload_perl() {	3665	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2770		3668
2771	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2772	reentrant => 0,
2773	after => 0,
2774	data => WF_AUTOCANCEL,
2775	cb => sub {
2776	do_reload_perl;	3670	do_reload_perl;
2777	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2778	},
2779	);	3672	};
2780	}	3673	}
2781		3674
2782	register_command "reload" => sub {	3675	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2784		3677
2785	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	3682	reload_perl;
		3683	};
2788	}	3684	}
2789	};	3685	};
2790		3686
2791	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2792		3688
…		…
2794		3690
2795	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2796	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2797		3693
2798	sub wait_for_tick {	3694	sub wait_for_tick {
2799	return unless $TICK_WATCHER->is_active;
2800	return if $Coro::current == $Coro::main;	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2801		3696
2802	my $signal = new Coro::Signal;	3697	my $signal = new Coro::Signal;
2803	push @WAIT_FOR_TICK, $signal;	3698	push @WAIT_FOR_TICK, $signal;
2804	$signal->wait;	3699	$signal->wait;
2805	}	3700	}
2806		3701
2807	sub wait_for_tick_begin {	3702	sub wait_for_tick_begin {
2808	return unless $TICK_WATCHER->is_active;
2809	return if $Coro::current == $Coro::main;	3703	return if tick_inhibit || $Coro::current == $Coro::main;
2810		3704
2811	my $signal = new Coro::Signal;	3705	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	3706	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	3707	$signal->wait;
2814	}	3708	}
2815		3709
2816	$TICK_WATCHER = Event->timer (	3710	sub tick {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2826	return;	3714	return;
2827	}	3715	}
2828		3716
2829	$NOW = Event::time;
2830
2831	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2832		3718
2833	$RUNTIME += $TICK;
2834	$NEXT_TICK += $TICK;
2835
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	3721	Coro::async_pool {
		3722	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	3723	write_runtime_sync
2840	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2841	};
2842	}	3725	};
		3726	}
2843		3727
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	3729	$sig->send;
2855	}	3730	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {	3731	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;	3732	$sig->send;
2858	}
2859
2860	_post_tick;
2861	},	3733	}
2862	);	3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
2863		3746
2864	{	3747	{
2865	BDB::max_poll_time $TICK * 0.1;	3748	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	3749
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	3750	BDB::min_parallel 8;
2875		3751	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	3752	$AnyEvent::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		3753
2891	unless ($DB_ENV) {	3754	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		3761
2894	cf::sync_job {	3762	cf::sync_job {
2895	eval {	3763	eval {
2896	BDB::db_env_open	3764	BDB::db_env_open
2897	$DB_ENV,	3765	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	3769	0666;
2902		3770
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	3772	};
2908		3773
2909	cf::cleanup "db_env_open(db): $@" if $@;	3774	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	3775	};
2911	}	3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
2912	}	3787	}
2913		3788
2914	{	3789	{
		3790	# configure IO::AIO
		3791
2915	IO::AIO::min_parallel 8;	3792	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	3793	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	3794	undef $AnyEvent::AIO::WATCHER;
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	3795	}
2928		3796
2929	my $_log_backtrace;	3797	my $_log_backtrace;
2930		3798
2931	sub _log_backtrace {	3799	sub _log_backtrace {
…		…
2935		3803
2936	# limit the # of concurrent backtraces	3804	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	3805	if ($_log_backtrace < 2) {
2938	++$_log_backtrace;	3806	++$_log_backtrace;
2939	async {	3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
2940	my @bt = fork_call {	3810	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	3811	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	3814	or die "addr2line: $!";

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