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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 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;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
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 $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
98		129
99	binmode STDOUT;	130	binmode STDOUT;
100	binmode STDERR;	131	binmode STDERR;
101		132
102	# read virtual server time, if available	133	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
107	}	138	}
108		139
109	mkdir $_	140	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		186
156	The raw value load value from the last tick.	187	The raw value load value from the last tick.
157		188
158	=item %cf::CFG	189	=item %cf::CFG
159		190
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	192	from wherever your confdir points to.
162		193
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		195
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
169	=back	206	=back
170		207
171	=cut	208	=cut
172		209
173	BEGIN {	210	BEGIN {
…		…
177	$msg .= "\n"	214	$msg .= "\n"
178	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
179		216
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		218
182	utf8::encode $msg;
183	LOG llevError, $msg;	219	LOG llevError, $msg;
184	};	220	};
185	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
186		237
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	248	for my $pkg (qw(
198	cf::global cf::attachable	249	cf::global cf::attachable
199	cf::object cf::object::player	250	cf::object cf::object::player
200	cf::client cf::player	251	cf::client cf::player
201	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
202	cf::map cf::party cf::region	254	cf::party cf::region
203	)) {	255	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	257	}
207		258
208	$Event::DIED = sub {	259	$EV::DIED = sub {
209	warn "error in event callback: @_";	260	warn "error in event callback: @_";
210	};	261	};
		262
		263	#############################################################################
211		264
212	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
213		266
214	=over 4	267	=over 4
215		268
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	288	$d
236	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
237	}	290	}
238		291
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
242		293
243	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
244		295
245	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
246		297
247	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
248		306
249	=item cf::lock_wait $string	307	=item cf::lock_wait $string
250		308
251	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
252		310
…		…
255	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
258	returned.	316	returned.
259		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
260	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
262		323
263	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
264		325
265	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
266		327
267	=cut	328	=cut
268		329
269	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
270		332
271	sub lock_wait($) {	333	sub lock_wait($) {
272	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
273		340
274	# wait for lock, if any	341	# wait for lock, if any
275	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	344	Coro::schedule;
…		…
283		350
284	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
285	lock_wait $key;	352	lock_wait $key;
286		353
287	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
288		356
289	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
292	}	361	}
293	}	362	}
294		363
…		…
297		366
298	! ! $LOCK{$key}	367	! ! $LOCK{$key}
299	}	368	}
300		369
301	sub freeze_mainloop {	370	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
303		372
304	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
306	};	434	}
307	$TICK_WATCHER->stop;	435	};
308	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
309	}	449	}
310		450
311	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
312		452
313	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		458
319	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
320		460
321	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
322		462
323	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
326		467
327	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
330	fast or be very important.	471	fast or be very important.
…		…
333		474
334	sub sync_job(&) {	475	sub sync_job(&) {
335	my ($job) = @_;	476	my ($job) = @_;
336		477
337	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	479	my $time = EV::time;
339		480
340	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
342		483
343	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	485
345	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
346		487
347	my $busy = 1;	488	my $busy = 1;
348	my @res;	489	my @res;
349		490
350	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	493	@res = eval { $job->() };
352	warn $@ if $@;	494	warn $@ if $@;
353	undef $busy;	495	undef $busy;
354	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
355		497
356	while ($busy) {	498	while ($busy) {
357	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
358	}	503	}
		504	}
359		505
360	$time = Event::time - $time;	506	my $time = EV::time - $time;
361		507
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	508	$TICK_START += $time; # do not account sync jobs to server load
366		509
367	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
368	} else {	511	} else {
369	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
370		513
…		…
390	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
391		534
392	$coro	535	$coro
393	}	536	}
394		537
395	sub write_runtime {	538	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		539
398	# first touch the runtime file to show we are still running:	540	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
400		544
401	IO::AIO::aio_utime $runtime, undef, undef;	545	=cut
402		546
403	my $guard = cf::lock_acquire "write_runtime";	547	sub fork_call(&@) {
		548	my ($cb, @args) = @_;
404		549
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	# we seemingly have to make a local copy of the whole thing,
406	or return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
407		553
408	my $value = $cf::RUNTIME + 90 + 10;	554	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	555	reset_signals;
410	# 60 allows for the watchdog to kill the server.	556	&$cb
		557	}, @args;
411		558
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	559	wantarray ? @res : $res[-1]
413	and return;	560	}
414		561
415	# always fsync - this file is important	562	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		563
419	# touch it again to show we are up-to-date	564	=cut
420	aio_utime $fh, undef, undef;
421		565
422	close $fh	566	our %coin_alias = (
423	or return;	567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
424		582
425	aio_rename "$runtime~", $runtime	583	sub coin_from_name($) {
426	and return;	584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
427		588
428	warn "runtime file written.\n";#d#	589	=item $value = cf::db_get $family => $key
429		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
430	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
431	}	714	}
432		715
433	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
434		717
435	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		730
448	#############################################################################	731	#############################################################################
449		732
450	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
451		734
452	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
455		738
456	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	741	Deliantra).
459		742
460	=over 4	743	=over 4
461		744
462	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
463		746
…		…
507	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
508		791
509	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
511		794
512	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
514		797
515	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
516		799
517	=over 4	800	=over 4
…		…
665	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
666	}	949	}
667		950
668	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
669	} else {	952	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	954	}
672		955
673	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
674	}	957	}
675		958
…		…
715	";	998	";
716	die if $@;	999	die if $@;
717	}	1000	}
718		1001
719	our $override;	1002	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1004
722	sub override {	1005	sub override {
723	$override = 1;	1006	$override = 1;
724	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
725	}	1008	}
726		1009
727	sub do_invoke {	1010	sub do_invoke {
728	my $event = shift;	1011	my $event = shift;
729	my $callbacks = shift;	1012	my $callbacks = shift;
730		1013
731	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
732		1015
733	local $override;	1016	local $override;
734		1017
735	for (@$callbacks) {	1018	for (@$callbacks) {
736	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
745	}	1028	}
746		1029
747	0	1030	0
748	}	1031	}
749		1032
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1034
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1036
754	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
755		1038
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1042
760	=back	1043	=back
761		1044
762	=cut	1045	=cut
763		1046
764	#############################################################################	1047	#############################################################################
765	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
766		1091
767	sub reattach {	1092	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1094	my ($obj) = @_;
770		1095
		1096	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1098
773	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
774		1100
775	@$registry = ();	1101	@$registry = ();
776		1102
…		…
791	cf::attachable->attach (	1117	cf::attachable->attach (
792	prio => -1000000,	1118	prio => -1000000,
793	on_instantiate => sub {	1119	on_instantiate => sub {
794	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
795		1121
796	$data = from_json $data;	1122	$data = decode_json $data;
797		1123
798	for (@$data) {	1124	for (@$data) {
799	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
800		1126
801	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1143	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
819		1145
820	sync_job {	1146	sync_job {
821	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
824		1151
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1156	aio_close $fh;
830		1157
831	if (@$objs) {	1158	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1164	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
839	}	1166	}
840	} else {	1167	} else {
841	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
842	}	1169	}
…		…
847	}	1174	}
848	} else {	1175	} else {
849	aio_unlink $filename;	1176	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
851	}	1178	}
852	}	1179	};
853	}	1180	}
854		1181
855	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
857		1184
…		…
869	or return;	1196	or return;
870		1197
871	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
873	or return;	1200	or return;
		1201
874	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
875	}	1204	}
876		1205
		1206	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
879	return ($data, $av);	1210	($data, $av)
880	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
881		1218
882	#############################################################################	1219	#############################################################################
883	# command handling &c	1220	# command handling &c
884		1221
885	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1236	}
900		1237
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1239
903	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
904		1245
905	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
906	called.	1247	called.
907		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
908	=cut	1260	=cut
909		1261
910	sub register_extcmd {	1262	sub register_extcmd {
911	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
912		1264
913	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
914	}	1272	}
915		1273
916	cf::player->attach (	1274	cf::player->attach (
917	on_command => sub {	1275	on_command => sub {
918	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1285	cf::override;
928	},	1286	},
929	on_extcmd => sub {	1287	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
931		1289
932	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1291
934	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
940	} else {	1307	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1309	}
943		1310
944	cf::override;	1311	cf::override;
945	},	1312	},
946	);	1313	);
947		1314
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
983	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1320	next unless -r $path;
985	eval {	1321
986	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
987	1	1378	}
988	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
989	}	1384	};
990	}	1385	}
991		1386
992	#############################################################################	1387	#############################################################################
993		1388
		1389	=back
		1390
994	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
995		1392
996	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
997		1394
998	=cut	1395	=cut
999		1396
1000	package cf::player;	1397	package cf::player;
1001		1398
1002	use Coro::AIO;	1399	use Coro::AIO;
1003		1400
1004	=head3 cf::player	1401	=head3 cf::player
1005		1402
1006	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1007		1418
1008	=item cf::player::find $login	1419	=item cf::player::find $login
1009		1420
1010	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1011		1422
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1462
1052	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1055	}	1472	}
1056	}	1473	}
1057	}	1474	}
1058		1475
…		…
1067	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1068		1485
1069	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1071		1488
		1489	cf::get_slot 0.01;
		1490
1072	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1073	Coro::cede;	1492	cf::cede_to_tick;
1074	}	1493	}
1075		1494
1076	sub new($) {	1495	sub new($) {
1077	my ($login) = @_;	1496	my ($login) = @_;
1078		1497
…		…
1084	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1085		1504
1086	$self	1505	$self
1087	}	1506	}
1088		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1089	=item $pl->quit_character	1518	=item $pl->quit_character
1090		1519
1091	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1093		1522
…		…
1097	my ($pl) = @_;	1526	my ($pl) = @_;
1098		1527
1099	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1100		1529
1101	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1532
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1108		1539
1109	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1577	or return [];
1147		1578
1148	my @logins;	1579	my @logins;
1149		1580
1150	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1154		1591
1155	utf8::decode $login;	1592	utf8::decode $login;
1156	push @logins, $login;	1593	push @logins, $login;
1157	}	1594	}
1158		1595
…		…
1185	}	1622	}
1186		1623
1187	\@paths	1624	\@paths
1188	}	1625	}
1189		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1190	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1191		1632
1192	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1193		1634
1194	=cut	1635	=cut
1195		1636
1196	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1198		1639
1199	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1641	}
1203		1642
1204	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1205		1644
1206	Sends an ext event to the client.	1645	Sends an ext event to the client.
1207		1646
1208	=cut	1647	=cut
1209		1648
1210	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1212		1651
1213	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1214	}	1653	}
1215		1654
1216	=head3 cf::region	1655	=head3 cf::region
1217		1656
1218	=over 4	1657	=over 4
…		…
1221		1660
1222	package cf::region;	1661	package cf::region;
1223		1662
1224	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1225		1664
1226	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1227		1666
1228	=cut	1667	=cut
1229		1668
1230	sub find_by_path($) {	1669	sub find_by_path($) {
1231	my ($path) = @_;	1670	my ($path) = @_;
1232		1671
1233	my ($match, $specificity);	1672	my ($match, $specificity);
1234		1673
1235	for my $region (list) {	1674	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1239	}	1678	}
1240	}	1679	}
1241		1680
…		…
1262	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1264		1703
1265	sub generate_random_map {	1704	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1267	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1710	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1306		1748
1307	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1308	local $self->{path};	1750	local $self->{path};
1309	local $self->{load_path};	1751	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1752
1313	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1314	}	1754	}
1315		1755
1316	sub normalise {	1756	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1364	return $self;	1804	return $self;
1365	}	1805	}
1366	}	1806	}
1367		1807
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1809	()
1370	}	1810	}
1371		1811
1372	sub init {	1812	sub init {
1373	my ($self) = @_;	1813	my ($self) = @_;
…		…
1395		1835
1396	# the temporary/swap location	1836	# the temporary/swap location
1397	sub save_path {	1837	sub save_path {
1398	my ($self) = @_;	1838	my ($self) = @_;
1399		1839
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1402	}	1842	}
1403		1843
1404	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1405	sub uniq_path {	1845	sub uniq_path {
1406	my ($self) = @_;	1846	my ($self) = @_;
1407		1847
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1410	}	1850	}
1411		1851
1412	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1413	# all maps in C++...	1853	# all maps in C++...
…		…
1416		1856
1417	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1419	}	1859	}
1420		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1421	sub unlink_save {	1869	sub unlink_save {
1422	my ($self) = @_;	1870	my ($self) = @_;
1423		1871
1424	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1876
1429	sub load_header_from($) {	1877	sub load_header_from($) {
1430	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1431		1879
1432	utf8::encode $path;	1880	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1438		1889
1439	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1440		1891
1441	1	1892	1
1442	}	1893	}
…		…
1481	$self->load_header_orig	1932	$self->load_header_orig
1482	or return;	1933	or return;
1483	$self->prepare_orig;	1934	$self->prepare_orig;
1484	}	1935	}
1485		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1486	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1941	unless $self->default_region;
1488		1942
1489	1	1943	1
1490	}	1944	}
…		…
1493	sub find {	1947	sub find {
1494	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1495		1949
1496	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1497		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1499		1954
1500	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1501	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1502	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1503	or return;	1960	or return;
1504		1961
1505	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1506		1963
1507	$map->load_header	1964	$map->load_header
1508	or return;	1965	or return;
1509		1966
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1513	$map->reset;	1972	$map->reset;
1514	undef $guard;
1515	return find $path;	1973	return find $path;
1516	}	1974	}
1517		1975
1518	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1519	}	1977	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1529		1987
1530	my $path = $self->{path};	1988	my $path = $self->{path};
1531		1989
1532	{	1990	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1534		1992
		1993	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1995
1537	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1538		1997
1539	$self->alloc;	1998	$self->alloc;
1540		1999
1541	$self->pre_load;	2000	$self->pre_load;
1542	Coro::cede;	2001	cf::cede_to_tick;
1543		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1545	or return;	2006	or return;
1546		2007
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1548	if delete $self->{load_original};	2009	if delete $self->{load_original};
1549		2010
1550	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2012	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2015	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1555	}	2019	}
1556	}	2020	}
1557		2021
1558	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1559	# now do the right thing for maps	2025	# now do the right thing for maps
1560	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2028	unless $self->difficulty;
1563	Coro::cede;	2029	cf::cede_to_tick;
1564		2030
1565	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2032	$self->decay_objects;
1567	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1568	$self->update_buttons;	2034	$self->update_buttons;
1569	Coro::cede;	2035	cf::cede_to_tick;
1570	$self->set_darkness_map;	2036	$self->set_darkness_map;
1571	Coro::cede;	2037	cf::cede_to_tick;
1572	$self->activate;	2038	$self->activate;
1573	}	2039	}
1574		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2045	}
1577		2046
1578	$self->post_load;	2047	$self->post_load;
1579	}	2048	}
1580		2049
…		…
1582	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1583		2052
1584	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2054	if $self->per_player;
1586		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1587	$self	2059	$self
1588	}	2060	}
1589		2061
1590	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2063	sub load_neighbours {
1592	my ($map) = @_;	2064	my ($map) = @_;
1593		2065
1594	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1595		2067
1596	for (0 .. 3) {	2068	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1598	or next;	2070	or next;
1599	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1600	or next;	2072	or next;
1601	$neigh->load;	2073	$neigh->load;
1602		2074
		2075	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2078	}
1606		2079
1607	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1609	or next;	2083	or next;
1610	$neigh->load;	2084	$neigh->load;
1611	}	2085	}
1612	}	2086	}
1613		2087
…		…
1618	}	2092	}
1619		2093
1620	sub do_load_sync {	2094	sub do_load_sync {
1621	my ($map) = @_;	2095	my ($map) = @_;
1622		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1623	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1624	}	2101	}
1625		2102
1626	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1628		2105
1629	sub find_async {	2106	sub find_async {
1630	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1631		2108
1632	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1633		2110
1634	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2113	}
1637		2114
1638	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1639	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1640	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2122	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2123	$map->load if $v;
		2124	}
1645		2125
1646	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1647	}	2127	}
1648	}	2128	}
1649	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1650	};	2130	};
1651	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2134	}
1655		2135
1656	sub save {	2136	sub save {
1657	my ($self) = @_;	2137	my ($self) = @_;
1658		2138
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2140
1661	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1662		2142
1663	return unless $self->dirty;	2143	return unless $self->dirty;
1664		2144
…		…
1670	return if $self->{deny_save};	2150	return if $self->{deny_save};
1671		2151
1672	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1673		2153
1674	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1676	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1677		2160
1678	if ($uniq) {	2161	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2164	} else {
…		…
1687	my ($self) = @_;	2170	my ($self) = @_;
1688		2171
1689	# save first because save cedes	2172	# save first because save cedes
1690	$self->save;	2173	$self->save;
1691		2174
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2176
1694	return if $self->players;	2177	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2179	return if $self->{deny_save};
1697		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2185	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2186	}
1701		2187
1702	sub reset_at {	2188	sub reset_at {
1703	my ($self) = @_;	2189	my ($self) = @_;
1704		2190
1705	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1708		2193
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2196
…		…
1722	my ($self) = @_;	2207	my ($self) = @_;
1723		2208
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2210
1726	return if $self->players;	2211	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2212
1729	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1730		2214
1731	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1732		2216
1733	# need to save uniques path	2217	# need to save uniques path
1734	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2222	if $uniq;
1739	}	2223	}
1740		2224
1741	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1742		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2229	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2230
1747	$self->unlink_save;	2231	$self->unlink_save;
1748	$self->destroy;	2232	$self->destroy;
1749	}	2233	}
1750		2234
1751	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1752		2236
1753	sub nuke {	2237	sub nuke {
1754	my ($self) = @_;	2238	my ($self) = @_;
1755		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1756	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1757		2244
1758	$self->unlink_save;	2245	$self->unlink_save;
1759		2246
1760	bless $self, "cf::map";	2247	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2252
1766	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1767		2255
1768	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1769	}	2293	}
1770		2294
1771	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1772		2296
1773	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2298	instantiated unique items. May block.
1775		2299
1776	=cut	2300	=cut
1777		2301
1778	sub unique_maps() {	2302	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2303	[
1780	or return;	2304	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2305	utf8::decode $_;
1786	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2308	? ()
1789	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2311	]
1791
1792	\@paths
1793	}	2312	}
1794
1795	package cf;
1796		2313
1797	=back	2314	=back
1798		2315
1799	=head3 cf::object	2316	=head3 cf::object
1800		2317
…		…
1804		2321
1805	=over 4	2322	=over 4
1806		2323
1807	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1808		2325
1809	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1810		2328
1811	=cut	2329	=cut
1812		2330
1813	sub inv_recursive_;	2331	sub inv_recursive_;
1814	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1817		2335
1818	sub inv_recursive {	2336	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1820	}	2338	}
1821		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1822	package cf;	2368	package cf;
1823		2369
1824	=back	2370	=back
1825		2371
1826	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1835		2381
1836	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1837		2397
1838	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2399	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1843		2403
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2405
1846	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1848	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1851	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1852	}	2431	}
1853		2432
1854	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1855		2434
1856	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1869		2448
1870	=item $player_object->enter_link	2449	=item $player_object->enter_link
1871		2450
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2452
1874	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1876		2457
1877	Will never block.	2458	Will never block.
1878		2459
1879	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1880		2461
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1938		2519
1939	$map->load;	2520	$map->load;
1940	$map->load_diag;	2521	$map->load_neighbours;
1941		2522
1942	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1943	$self->activate_recursive;	2525	$self->activate_recursive;
1944		2526
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1947	}	2529	}
1948		2530
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2532
1951	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
1955		2541
1956	=cut	2542	=cut
1957		2543
1958	our $GOTOGEN;	2544	our $GOTOGEN;
1959		2545
1960	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2548
1963	# do generation counting so two concurrent goto's will be executed in-order	2549	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2551
1966	$self->enter_link;	2552	$self->enter_link;
1967		2553
1968	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1969	my $map = eval {	2576	my $map = eval {
1970	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
1971		2578
1972	if ($map) {	2579	if ($map) {
1973	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
1975	} else {	2582	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2584	}
1978		2585
1979	$map	2586	$map
1980	};	2587	};
1981		2588
…		…
1986		2593
1987	if ($gen == $self->{_goto_generation}) {	2594	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2595	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
1990	}	2597	}
		2598
		2599	$done->() if $done;
1991	})->prio (1);	2600	})->prio (1);
1992	}	2601	}
1993		2602
1994	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1995		2604
…		…
2015	}	2624	}
2016		2625
2017	sub prepare_random_map {	2626	sub prepare_random_map {
2018	my ($exit) = @_;	2627	my ($exit) = @_;
2019		2628
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2631	# that depends on the exit object
2025		2632
2026	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2635	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2033	}	2642	}
2034		2643
2035	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2036		2645
2037	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2040		2649
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2652	undef $fh;
2044	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2045		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2048	}	2661	}
2049	}	2662	}
2050		2663
2051	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2053		2666
2054	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2055		2668
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2669	$self->enter_link;
2068		2670
2069	(async {	2671	(async {
2070	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2071	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2072	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2073		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2074	1;	2695	1
2075	}) {	2696	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2701
2081	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2100		2721
2101	utf8::encode $text;	2722	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2724	}
2104		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
2105	=item $client->ext_event ($type, %msg)	2871	=item $client->ext_msg ($type, @msg)
2106		2872
2107	Sends an exti event to the client.	2873	Sends an ext event to the client.
2108		2874
2109	=cut	2875	=cut
2110		2876
2111	sub cf::client::ext_event($$%) {	2877	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2878	my ($self, $type, @msg) = @_;
2113		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2883	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
2116	}	2904	}
2117		2905
2118	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
2119		2907
2120	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2909	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2911
2124	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2913	become reliable at some point in the future.
2126		2914
2127	=cut	2915	=cut
2128		2916
2129	sub cf::client::query {	2917	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2926	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2928
2141	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2143	}	2933	}
2144		2934
2145	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
2146	on_reply => sub {	2941	on_reply => sub {
2147	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2148		2943
2149	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2150	# get handled first	2945	# get handled first
…		…
2162	} else {	2957	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2959	}
2165	}	2960	}
2166	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
2167	);	2988	);
2168		2989
2169	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2170		2991
2171	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2214		3035
2215	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2216		3037
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2218		3043
2219	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2220		3045
2221	=pod	3046	=pod
2222		3047
2223	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2224		3049
2225	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2226	cf::object::player player	3054	cf::object::player
2227	cf::player peaceful	3055	player
2228	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2229		3062
2230	=cut	3063	=cut
2231		3064
2232	for (	3065	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2234	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2237	) {	3072	) {
2238	no strict 'refs';	3073	no strict 'refs';
…		…
2309	=back	3144	=back
2310		3145
2311	=cut	3146	=cut
2312		3147
2313	#############################################################################	3148	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3149	# the server's init and main functions
2487		3150
2488	sub load_facedata($) {	3151	sub load_facedata($) {
2489	my ($path) = @_;	3152	my ($path) = @_;
		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3159
2491	warn "loading facedata from $path\n";	3160	warn "loading facedata from $path\n";
2492		3161
2493	my $facedata;	3162	my $facedata;
2494	0 < aio_load $path, $facedata	3163	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3166	$facedata = Coro::Storable::thaw $facedata;
2498		3167
2499	$facedata->{version} == 2	3168	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
2502	{	3178	{
2503	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2504		3180
2505	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3188
		3189	cf::cede_to_tick;
2511	}	3190	}
2512		3191
2513	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2515	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2516	or next;	3196	or next;
		3197
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3201	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3203	}
2522	Coro::cede;	3204
		3205	cf::cede_to_tick;
2523	}	3206	}
2524	}	3207	}
2525		3208
2526	{	3209	{
2527	my $anims = $facedata->{animinfo};	3210	my $anims = $facedata->{animinfo};
2528		3211
2529	while (my ($anim, $info) = each %$anims) {	3212	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3214	cf::cede_to_tick;
2532	}	3215	}
2533		3216
2534	cf::anim::invalidate_all; # d'oh	3217	cf::anim::invalidate_all; # d'oh
2535	}	3218	}
2536		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
2537	1	3255	1
2538	}	3256	}
2539		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
2540	sub reload_regions {	3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
2541	load_resource_file "$MAPDIR/regions"	3301	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
2543	}	3308	}
2544		3309
2545	sub reload_facedata {	3310	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3311	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3312	or die "unable to load facedata\n";
…		…
2558	}	3323	}
2559		3324
2560	sub reload_resources {	3325	sub reload_resources {
2561	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
2562		3327
2563	reload_regions;
2564	reload_facedata;	3328	reload_facedata;
2565	reload_archetypes;	3329	reload_archetypes;
		3330	reload_regions;
2566	reload_treasures;	3331	reload_treasures;
2567		3332
2568	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
2569	}	3334	}
2570		3335
2571	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
2572	reload_resources;	3341	reload_resources;
2573	}	3342	}
2574		3343
2575	sub cfg_load {	3344	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3346	or return;
2578		3347
2579	local $/;	3348	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2581		3350
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3352
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2591	};	3360	};
2592	warn $@ if $@;	3361	warn $@ if $@;
2593	}	3362	}
2594	}	3363	}
2595		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2596	sub main {	3384	sub main {
		3385	atomic;
		3386
2597	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3390	(async {
2601	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2603	};	3394	};
2604		3395
2605	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
2606	db_init;	3399	db_init;
2607	load_extensions;	3400	load_extensions;
2608		3401
2609	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2610	Event::loop;	3410	EV::loop;
2611	}	3411	}
2612		3412
2613	#############################################################################	3413	#############################################################################
2614	# initialisation and cleanup	3414	# initialisation and cleanup
2615		3415
2616	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2617	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2626	},
2627	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2628	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2629	}	3503	}
2630		3504
2631	sub emergency_save() {	3505	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2633		3507
…		…
2639	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3519	$pl->save;
2645	}	3520	}
2646	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2647		3522
2648	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2654	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2655		3530
2656	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2659	};	3538	};
2660		3539
2661	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2662	}	3541	}
2663		3542
2664	sub post_cleanup {	3543	sub post_cleanup {
2665	my ($make_core) = @_;	3544	my ($make_core) = @_;
2666		3545
2667	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
2669	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
2670		3580
2671	sub do_reload_perl() {	3581	sub do_reload_perl() {
2672	# can/must only be called in main	3582	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2675	return;	3585	return;
2676	}	3586	}
2677		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2678	warn "reloading...";	3591	warn "reloading...";
2679		3592
2680	warn "entering sync_job";	3593	warn "entering sync_job";
2681		3594
2682	cf::sync_job {	3595	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3597	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2686		3599
2687	warn "syncing database to disk";	3600	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3602
2690	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2691		3604
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3608	}
2728		3609
2729	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2731	}	3612	%EXT_CORO = ();
2732		3613
2733	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3623	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3624
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2744	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2745	}	3634	}
2746		3635
2747	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2748	}	3651	}
2749		3652
2750	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3656
2754	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
2757		3660
2758	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3662	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2761		3664
2762	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2763		3666
2764	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2765	require cf;	3668	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3670
2768	warn "loading config and database again";	3671	warn "loading config and database again";
2769	cf::cfg_load;	3672	cf::reload_config;
2770		3673
2771	warn "loading extensions";	3674	warn "loading extensions";
2772	cf::load_extensions;	3675	cf::load_extensions;
2773		3676
2774	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
2780		3683
2781	warn "leaving sync_job";	3684	warn "leaving sync_job";
2782		3685
2783	1	3686	1
2784	} or do {	3687	} or do {
2785	warn $@;	3688	warn $@;
2786	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3690	};
2789		3691
2790	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
2791	};	3695	};
2792		3696
2793	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
2794		3698
2795	sub reload_perl() {	3699	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
2798		3702
2799	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2800	reentrant => 0,
2801	after => 0,
2802	data => WF_AUTOCANCEL,
2803	cb => sub {
2804	do_reload_perl;	3704	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
2806	},
2807	);	3706	};
2808	}	3707	}
2809		3708
2810	register_command "reload" => sub {	3709	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2812		3711
2813	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
		3714	async {
		3715	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3716	reload_perl;
		3717	};
2816	}	3718	}
2817	};	3719	};
2818		3720
2819	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2820		3722
…		…
2822		3724
2823	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
2825		3727
2826	sub wait_for_tick {	3728	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3730
2830	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3733	$signal->wait;
2833	}	3734	}
2834		3735
2835	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3738
2839	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3741	$signal->wait;
2842	}	3742	}
2843		3743
2844	my $min = 1e6;#d#	3744	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2856	return;	3748	return;
2857	}	3749	}
2858		3750
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2862		3752
2863	0 && sync_job {#d#	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3755	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3756	$Coro::current->{desc} = "runtime saver";
2867	or die;	3757	write_runtime_sync
2868		3758	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3759	};
		3760	}
2885		3761
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3763	$sig->send;
2902	}	3764	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3766	$sig->send;
2905	}	3767	}
2906		3768
2907	$NOW = Event::time;	3769	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3771
2918	_post_tick;	3772	if (0) {
2919		3773	if ($NEXT_TICK) {
2920		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
2921	},	3778	}
2922	);	3779	}
2923		3780
2924	{	3781	{
2925	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3783
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
2935		3785	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3787
2951	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3795
2954	cf::sync_job {	3796	cf::sync_job {
2955	eval {	3797	eval {
2956	BDB::db_env_open	3798	BDB::db_env_open
2957	$DB_ENV,	3799	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3803	0666;
2962		3804
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3806	};
2968		3807
2969	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3809	};
2971	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
2972	}	3821	}
2973		3822
2974	{	3823	{
		3824	# configure IO::AIO
		3825
2975	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3829	}
2988		3830
2989	my $_log_backtrace;	3831	my $_log_backtrace;
2990		3832
2991	sub _log_backtrace {	3833	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3836	$msg =~ s/\n//;
2995		3837
2996	# limit the # of concurrent backtraces	3838	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3839	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
2999	async {	3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
3000	my @bt = fork_call {	3845	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3846	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3849	or die "addr2line: $!";
…		…
3012	}	3857	}
3013		3858
3014	@funcs	3859	@funcs
3015	};	3860	};
3016		3861
3017	LOG llevInfo, "[ABT] $msg\n";	3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	3864	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	3865	--$_log_backtrace;
3020	};	3866	};
3021	} else {	3867	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	3868	LOG llevInfo, "[ABT] $msg\n";

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