ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	115	our $DB_ENV;
86		116
87	our %CFG;	117	our %CFG;
88		118
89	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
91		122
92	our (%PLAYER, %PLAYER_LOADING); # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
95		126
96	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		129
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		138
103	binmode STDOUT;	139	binmode STDOUT;
104	binmode STDERR;	140	binmode STDERR;
105		141
106	# read virtual server time, if available	142	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
111	}	147	}
112		148
113	mkdir $_	149	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		195
160	The raw value load value from the last tick.	196	The raw value load value from the last tick.
161		197
162	=item %cf::CFG	198	=item %cf::CFG
163		199
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	201	from wherever your confdir points to.
166		202
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		204
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		227
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
195		246
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	257	for my $pkg (qw(
207	cf::global cf::attachable	258	cf::global cf::attachable
208	cf::object cf::object::player	259	cf::object cf::object::player
209	cf::client cf::player	260	cf::client cf::player
210	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
211	cf::map cf::party cf::region	263	cf::party cf::region
212	)) {	264	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	266	}
216		267
217	$Event::DIED = sub {	268	$EV::DIED = sub {
218	warn "error in event callback: @_";	269	warn "error in event callback: @_";
219	};	270	};
220		271
221	#############################################################################	272	#############################################################################
222		273
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	297	$d
247	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
248	}	299	}
249		300
250	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
251		302
252	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
253		304
254	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
255		306
256	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
257		308
258	=cut	309	=cut
259		310
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		312
262	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
264		329
265	=item cf::lock_wait $string	330	=item cf::lock_wait $string
266		331
267	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
268		333
269	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
270		335
271	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
274	returned.	339	returned.
275		340
276	Locks are *not* recursive, locking from the same coro twice results in a	341	Locks are *not* recursive, locking from the same coro twice results in a
277	deadlocked coro.	342	deadlocked coro.
…		…
283		348
284	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
285		350
286	=cut	351	=cut
287		352
288	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
289	our %LOCKER;#d#
290		354
291	sub lock_wait($) {	355	sub lock_wait($) {
292	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
293
294	if ($LOCKER{$key} == $Coro::current) {#d#
295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
296	return;#d#
297	}#d#
298
299	# wait for lock, if any
300	while ($LOCK{$key}) {
301	push @{ $LOCK{$key} }, $Coro::current;
302	Coro::schedule;
303	}
304	}	357	}
305		358
306	sub lock_acquire($) {	359	sub lock_acquire($) {
307	my ($key) = @_;	360	$LOCKS->guard ($_[0])
308
309	# wait, to be sure we are not locked
310	lock_wait $key;
311
312	$LOCK{$key} = [];
313	$LOCKER{$key} = $Coro::current;#d#
314
315	Coro::guard {
316	delete $LOCKER{$key};#d#
317	# wake up all waiters, to be on the safe side
318	$_->ready for @{ delete $LOCK{$key} };
319	}
320	}	361	}
321		362
322	sub lock_active($) {	363	sub lock_active($) {
323	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
324
325	! ! $LOCK{$key}
326	}	365	}
327		366
328	sub freeze_mainloop {	367	sub freeze_mainloop {
329	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
330		369
331	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
332	$TICK_WATCHER->start;	371	}
333	};	372
334	$TICK_WATCHER->stop;	373	=item cf::periodic $interval, $cb
335	$guard	374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
336	}	386	}
337		387
338	=item cf::get_slot $time[, $priority[, $name]]	388	=item cf::get_slot $time[, $priority[, $name]]
339		389
340	Allocate $time seconds of blocking CPU time at priority C<$priority>:	390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
351	our @SLOT_QUEUE;	401	our @SLOT_QUEUE;
352	our $SLOT_QUEUE;	402	our $SLOT_QUEUE;
353		403
354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
355	$SLOT_QUEUE = Coro::async {	405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
356	my $signal = new Coro::Signal;	408	my $signal = new Coro::Signal;
357		409
358	while () {	410	while () {
359	next_job:	411	next_job:
360	my $avail = cf::till_tick;	412	my $avail = cf::till_tick;
…		…
368	}	420	}
369	}	421	}
370	}	422	}
371		423
372	if (@SLOT_QUEUE) {	424	if (@SLOT_QUEUE) {
373	# we do not use wait_For_tick() as it returns immediately when tick is inactive	425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
374	push @cf::WAIT_FOR_TICK, $signal;	426	push @cf::WAIT_FOR_TICK, $signal;
375	$signal->wait;	427	$signal->wait;
376	} else {	428	} else {
377	Coro::schedule;	429	Coro::schedule;
378	}	430	}
379	}	431	}
380	};	432	};
381		433
382	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
383	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
384		438
385	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
386	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
387		441
…		…
401		455
402	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
403		457
404	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
405		459
406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
407	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
409	acceptable.	463	acceptable.
410		464
411	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
412	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
417		471
418	sub sync_job(&) {	472	sub sync_job(&) {
419	my ($job) = @_;	473	my ($job) = @_;
420		474
421	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
422	my $time = Event::time;	476	my $time = EV::time;
423		477
424	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
425	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
426		480
427	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
428	# (but this is cancel-safe)	482
429	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
430		484
431	my $busy = 1;	485	my $busy = 1;
432	my @res;	486	my @res;
433		487
434	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
435	@res = eval { $job->() };	490	@res = eval { $job->() };
436	warn $@ if $@;	491	warn $@ if $@;
437	undef $busy;	492	undef $busy;
438	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
439		494
440	while ($busy) {	495	while ($busy) {
441	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
442	}	500	}
		501	}
443		502
444	$time = Event::time - $time;	503	my $time = EV::time - $time;
445		504
446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
448
449	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
450		506
451	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
452	} else {	508	} else {
453	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
454		510
…		…
479	=item fork_call { }, $args	535	=item fork_call { }, $args
480		536
481	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
482	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
483	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
484	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
485		541
486	=cut	542	=cut
487		543
488	sub fork_call(&@) {	544	sub fork_call(&@) {
489	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
…		…
498	}, @args;	554	}, @args;
499		555
500	wantarray ? @res : $res[-1]	556	wantarray ? @res : $res[-1]
501	}	557	}
502		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
503	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
504		587
505	Returns a single value from the environment database.	588	Returns a single value from the environment database.
506		589
507	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
508		591
509	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
511		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
512	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
513		618
514	our $DB;	619	our $DB;
515		620
516	sub db_init {	621	sub db_init {
517	unless ($DB) {
518	$DB = BDB::db_create $DB_ENV;
519
520	cf::sync_job {	622	cf::sync_job {
521	eval {	623	$DB ||= db_table "db";
522	$DB->set_flags (BDB::CHKSUM);
523
524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
526	cf::cleanup "db_open(db): $!" if $!;
527	};
528	cf::cleanup "db_open(db): $@" if $@;
529	};
530	}	624	};
531	}	625	}
532		626
533	sub db_get($$) {	627	sub db_get($$) {
534	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
535		629
…		…
633		727
634	#############################################################################	728	#############################################################################
635		729
636	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
637		731
638	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
639	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
640	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
641		735
642	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
643	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
644	Crossfire TRT).	738	Deliantra).
645		739
646	=over 4	740	=over 4
647		741
648	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
649		743
…		…
693	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
694		788
695	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
696	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
697		791
698	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
699	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
700		794
701	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
702		796
703	=over 4	797	=over 4
…		…
931	}	1025	}
932		1026
933	0	1027	0
934	}	1028	}
935		1029
936	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
937		1031
938	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
939		1033
940	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
941		1035
…		…
947		1041
948	=cut	1042	=cut
949		1043
950	#############################################################################	1044	#############################################################################
951	# object support	1045	# object support
952	#
953		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
954	sub _can_merge {	1080	sub _can_merge {
955	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
956		1082
957	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
958	my $fob1 = Storable::freeze $ob1;
959	my $fob2 = Storable::freeze $ob2;
960		1084
961	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
962	}	1087	}
963		1088
964	sub reattach {	1089	sub reattach {
965	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
966	my ($obj) = @_;	1091	my ($obj) = @_;
967		1092
		1093	# no longer needed after getting rid of delete_package?
968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
969		1095
970	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
971		1097
972	@$registry = ();	1098	@$registry = ();
973		1099
…		…
988	cf::attachable->attach (	1114	cf::attachable->attach (
989	prio => -1000000,	1115	prio => -1000000,
990	on_instantiate => sub {	1116	on_instantiate => sub {
991	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
992		1118
993	$data = from_json $data;	1119	$data = decode_json $data;
994		1120
995	for (@$data) {	1121	for (@$data) {
996	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
997		1123
998	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
1011	},	1137	},
1012	);	1138	);
1013		1139
1014	sub object_freezer_save {	1140	sub object_freezer_save {
1015	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
1016
1017	my $guard = cf::lock_acquire "io";
1018		1142
1019	sync_job {	1143	sync_job {
1020	if (length $$rdata) {	1144	if (length $$rdata) {
1021	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1023	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1024		1148
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1029	close $fh;	1153	aio_close $fh;
1030		1154
1031	if (@$objs) {	1155	if (@$objs) {
1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1036	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1037	close $fh;	1161	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1163	}
1040	} else {	1164	} else {
1041	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1042	}	1166	}
1043		1167
1044	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1172	} else {
1046	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1047	}	1174	}
1048	} else {	1175	} else {
1049	aio_unlink $filename;	1176	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1051	}	1178	}
1052	};	1179	};
1053
1054	undef $guard;
1055	}	1180	}
1056		1181
1057	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1059		1184
…		…
1064		1189
1065	sub object_thawer_load {	1190	sub object_thawer_load {
1066	my ($filename) = @_;	1191	my ($filename) = @_;
1067		1192
1068	my ($data, $av);	1193	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1194
1072	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
1073	or return;	1196	or return;
1074		1197
1075	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1200	or return;
1078		1201
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1081	}	1204	}
1082		1205
1083	utf8::decode (my $decname = $filename);	1206	utf8::decode (my $decname = $filename);
1084	warn sprintf "loading %s (%d,%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1085	$decname, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
…		…
1146	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1147		1270
1148	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1149	}	1272	}
1150		1273
		1274	use File::Glob ();
		1275
1151	cf::player->attach (	1276	cf::player->attach (
1152	on_command => sub {	1277	on_command => sub {
1153	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1154		1279
1155	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1187		1312
1188	cf::override;	1313	cf::override;
1189	},	1314	},
1190	);	1315	);
1191		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
		1329
1192	sub load_extensions {	1330	sub load_extensions {
1193	cf::sync_job {	1331	cf::sync_job {
1194	my %todo;	1332	my %todo;
1195		1333
1196	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1215		1353
1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1218		1356
1219	$ext{source} =	1357	$ext{source} =
1220	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1221	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1222	. $source	1360	. $source
1223	. "\n};\n1";	1361	. "\n};\n1";
1224		1362
1225	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1241	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1242	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1243		1381
1244	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1245	warn $msg;	1383	warn $msg;
1246	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1247	exit 1;
1248	}	1385	}
1249		1386
1250	warn $msg;	1387	warn $msg;
1251	}	1388	}
1252		1389
…		…
1266		1403
1267	=back	1404	=back
1268		1405
1269	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1270		1407
1271	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1272		1409
1273	=cut	1410	=cut
1274		1411
1275	package cf::player;	1412	package cf::player;
1276		1413
…		…
1319		1456
1320	sub exists($) {	1457	sub exists($) {
1321	my ($login) = @_;	1458	my ($login) = @_;
1322		1459
1323	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1324	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1325	}	1462	}
1326		1463
1327	sub find($) {	1464	sub find($) {
1328	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1329	my $login = $_[0];	1466	my $login = $_[0];
…		…
1339	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1340		1477
1341	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1342	or return;	1479	or return;
1343		1480
1344	$f->next;
1345	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1346	or return;	1482	or return;
		1483
1347	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1348	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1349	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1350	}	1487	}
1351	}	1488	}
…		…
1361		1498
1362	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1363		1500
1364	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1365	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1366		1505
1367	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1368	cf::cede_to_tick;	1507	cf::cede_to_tick;
1369	}	1508	}
1370		1509
…		…
1402	my ($pl) = @_;	1541	my ($pl) = @_;
1403		1542
1404	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1405		1544
1406	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1407	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1408		1547
1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1410	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1411	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1412	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1413		1554
1414	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1415	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1454		1595
1455	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1456	my $path = path $login;	1597	my $path = path $login;
1457		1598
1458	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1459	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1461	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1462	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1463	}	1605	}
1464		1606
…		…
1495	}	1637	}
1496		1638
1497	\@paths	1639	\@paths
1498	}	1640	}
1499		1641
1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1501		1643
1502	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1503
1504	=cut
1505
1506	sub expand_cfpod {
1507	((my $self), (local $_)) = @_;
1508
1509	# escape & and <
1510	s/&/&amp;/g;
1511	s/(?<![BIUGHT])</&lt;/g;
1512
1513	# this is buggy, it needs to properly take care of nested <'s
1514
1515	1 while
1516	# replace B<>, I<>, U<> etc.
1517	s/B<([^\>]*)>/<b>$1<\/b>/
1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1521	# replace G<male|female> tags
1522	|| s{G<([^>|]*)\|([^>]*)>}{
1523	$self->gender ? $2 : $1
1524	}ge
1525	# replace H<hint text>
1526	|| s{H<([^\>]*)>}
1527	{
1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1530	"")
1531	[$self->{hintmode}]
1532	}ge;
1533
1534	# create single paragraphs (very hackish)
1535	s/(?<=\S)\n(?=\w)/ /g;
1536
1537	# compress some whitespace
1538	s/\s+\n/\n/g; # ws line-ends
1539	s/\n\n+/\n/g; # double lines
1540	s/^\n+//; # beginning lines
1541	s/\n+$//; # ending lines
1542
1543	$_
1544	}
1545
1546	sub hintmode {
1547	$_[0]{hintmode} = $_[1] if @_ > 1;
1548	$_[0]{hintmode}
1549	}
1550		1645
1551	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1552		1647
1553	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1554		1649
…		…
1621	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1622	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1623		1718
1624	sub generate_random_map {	1719	sub generate_random_map {
1625	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1626	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1627	$self->_create_random_map (	1725	$self->_create_random_map (
1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1752		1850
1753	# the temporary/swap location	1851	# the temporary/swap location
1754	sub save_path {	1852	sub save_path {
1755	my ($self) = @_;	1853	my ($self) = @_;
1756		1854
1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1758	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1759	}	1857	}
1760		1858
1761	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1762	sub uniq_path {	1860	sub uniq_path {
1763	my ($self) = @_;	1861	my ($self) = @_;
1764		1862
1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1766	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1767	}
1768
1769	# and all this just because we cannot iterate over
1770	# all maps in C++...
1771	sub change_all_map_light {
1772	my ($change) = @_;
1773
1774	$_->change_map_light ($change)
1775	for grep $_->outdoor, values %cf::MAP;
1776	}	1865	}
1777		1866
1778	sub decay_objects {	1867	sub decay_objects {
1779	my ($self) = @_;	1868	my ($self) = @_;
1780		1869
…		…
1864	sub find {	1953	sub find {
1865	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1866		1955
1867	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1868		1957
1869	cf::lock_wait "map_data:$path";#d#remove	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1870	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1871		1960
1872	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1873	my $guard1 = cf::lock_acquire "map_find:$path";
1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1875
1876	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1877	or return;	1963	or return;
1878		1964
1879	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1880		1966
…		…
1882	or return;	1968	or return;
1883		1969
1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1885	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1886	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
1887	undef $guard1;	1974	undef $guard1;
1888	undef $guard2;
1889	$map->reset;	1975	$map->reset;
1890	return find $path;	1976	return find $path;
1891	}	1977	}
1892		1978
1893	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
…		…
1920	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
1921	$f->skip_block;	2007	$f->skip_block;
1922	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
1923	or return;	2009	or return;
1924		2010
1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1926	if delete $self->{load_original};	2012	if delete $self->{load_original};
1927		2013
1928	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1929	utf8::encode $uniq;	2015	utf8::encode $uniq;
1930	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
1948	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1949	$self->decay_objects;	2035	$self->decay_objects;
1950	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1951	$self->update_buttons;	2037	$self->update_buttons;
1952	cf::cede_to_tick;	2038	cf::cede_to_tick;
1953	$self->set_darkness_map;
1954	cf::cede_to_tick;
1955	$self->activate;	2039	$self->activate;
1956	}	2040	}
1957		2041
1958	$self->{last_save} = $cf::RUNTIME;	2042	$self->{last_save} = $cf::RUNTIME;
1959	$self->last_access ($cf::RUNTIME);	2043	$self->last_access ($cf::RUNTIME);
1960		2044
1961	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1962	}	2046	}
1963		2047
1964	$self->post_load;	2048	$self->post_load;
1965	}	2049	}
1966		2050
…		…
2024	my ($path, $origin, $load) = @_;	2108	my ($path, $origin, $load) = @_;
2025		2109
2026	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
2027		2111
2028	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2030	}	2114	}
2031		2115
2032	$MAP_PREFETCH{$path} |= $load;	2116	$MAP_PREFETCH{$path} |= $load;
2033		2117
2034	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
2035	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
2036	while (my ($k, $v) = each %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
2037	if (my $map = find $k) {	2123	if (my $map = find $k) {
2038	$map->load if $v;	2124	$map->load if $v;
2039	}	2125	}
…		…
2065	return if $self->{deny_save};	2151	return if $self->{deny_save};
2066		2152
2067	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
2068		2154
2069	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
2070	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2071	};	2158	};
		2159
		2160	cf::get_slot 0.02;
2072		2161
2073	if ($uniq) {	2162	if ($uniq) {
2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2076	} else {	2165	} else {
…		…
2085	$self->save;	2174	$self->save;
2086		2175
2087	my $lock = cf::lock_acquire "map_data:$self->{path}";	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2088		2177
2089	return if $self->players;	2178	return if $self->players;
2090	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2091	return if $self->{deny_save};	2180	return if $self->{deny_save};
2092		2181
2093	$self->in_memory (cf::MAP_SWAPPED);	2182	$self->in_memory (cf::MAP_SWAPPED);
2094		2183
2095	$self->deactivate;	2184	$self->deactivate;
…		…
2213		2302
2214	sub unique_maps() {	2303	sub unique_maps() {
2215	[	2304	[
2216	map {	2305	map {
2217	utf8::decode $_;	2306	utf8::decode $_;
2218	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2219	? normalise $_	2310	: normalise $_
2220	: ()
2221	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2222	]	2312	]
2223	}	2313	}
2224		2314
2225	package cf;
2226
2227	=back	2315	=back
2228		2316
2229	=head3 cf::object	2317	=head3 cf::object
2230		2318
2231	=cut	2319	=cut
…		…
2234		2322
2235	=over 4	2323	=over 4
2236		2324
2237	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2238		2326
2239	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2240		2329
2241	=cut	2330	=cut
2242		2331
2243	sub inv_recursive_;	2332	sub inv_recursive_;
2244	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2249	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2250	}	2339	}
2251		2340
2252	=item $ref = $ob->ref	2341	=item $ref = $ob->ref
2253		2342
2254	creates and returns a persistent reference to an objetc that can be stored as a string.	2343	Creates and returns a persistent reference to an object that can be stored as a string.
2255		2344
2256	=item $ob = cf::object::deref ($refstring)	2345	=item $ob = cf::object::deref ($refstring)
2257		2346
2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2259	even if the object actually exists. May block.	2348	even if the object actually exists. May block.
…		…
2261	=cut	2350	=cut
2262		2351
2263	sub deref {	2352	sub deref {
2264	my ($ref) = @_;	2353	my ($ref) = @_;
2265		2354
2266	# temporary compatibility#TODO#remove
2267	$ref =~ s{^<}{player/<};
2268
2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2270	my ($uuid, $name) = ($1, $2);	2356	my ($uuid, $name) = ($1, $2);
2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2272	or return;	2358	or return;
2273	$pl->ob->uuid eq $uuid	2359	$pl->ob->uuid eq $uuid
2274	or return;	2360	or return;
…		…
2294	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2295	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2296		2382
2297	=cut	2383	=cut
2298		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
		2398
2299	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2300	# with dialog boxes.	2400	# with dialog boxes.
2301	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2302	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
2303	my ($self, $npc, $msg, $flags) = @_;	2403	my ($self, $npc, $msg, $flags) = @_;
…		…
2314	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2316		2416
2317	} else {	2417	} else {
2318	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2319	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2320	}	2420	}
2321	}	2421	}
2322	}	2422	}
2323		2423
2324	=item $object->send_msg ($channel, $msg, $color, [extra...])	2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2349		2449
2350	=item $player_object->enter_link	2450	=item $player_object->enter_link
2351		2451
2352	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2353		2453
2354	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2355	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2356		2458
2357	Will never block.	2459	Will never block.
2358		2460
2359	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2360		2462
…		…
2418		2520
2419	$map->load;	2521	$map->load;
2420	$map->load_neighbours;	2522	$map->load_neighbours;
2421		2523
2422	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2423	$self->activate_recursive;	2526	$self->activate_recursive;
2424		2527
2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2426	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2427	}	2530	}
…		…
2432	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2433	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2434	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2435	be called at the end of this process.	2538	be called at the end of this process.
2436		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
		2542
2437	=cut	2543	=cut
2438		2544
2439	our $GOTOGEN;	2545	our $GOTOGEN;
2440		2546
2441	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2446		2552
2447	$self->enter_link;	2553	$self->enter_link;
2448		2554
2449	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2450	my $map = eval {	2577	my $map = eval {
2451	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2452		2579
2453	if ($map) {	2580	if ($map) {
2454	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2455	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2456	} else {	2583	} else {
2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2458	}	2585	}
2459		2586
2460	$map	2587	$map
2461	};	2588	};
2462		2589
…		…
2498	}	2625	}
2499		2626
2500	sub prepare_random_map {	2627	sub prepare_random_map {
2501	my ($exit) = @_;	2628	my ($exit) = @_;
2502		2629
2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
2504
2505	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2506	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2507	# that depends on the exit object	2632	# that depends on the exit object
2508		2633
2509	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2511	if ($exit->map) {	2636	if ($exit->map) {
2512	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2513	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2514	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2515	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2516	}	2643	}
2517		2644
2518	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2519		2646
2520	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2521	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2522	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2523		2650
2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2525	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2526	undef $fh;	2653	undef $fh;
2527	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2528		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2529	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2530	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2531	}	2662	}
2532	}	2663	}
2533		2664
2534	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2535	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2536		2667
2537	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2538		2669
2539	if ($exit->slaying eq "/!") {
2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
2541	# the problem is that $exit might not survive long enough
2542	# so it needs to be done right now, right here
2543	cf::sync_job { prepare_random_map $exit };
2544	}
2545
2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2547	my $hp = $exit->stats->hp;
2548	my $sp = $exit->stats->sp;
2549
2550	$self->enter_link;	2670	$self->enter_link;
2551		2671
2552	# if exit is damned, update players death & WoR home-position
2553	$self->contr->savebed ($slaying, $hp, $sp)
2554	if $exit->flag (FLAG_DAMNED);
2555
2556	(async {	2672	(async {
2557	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2558	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2559	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2560		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2561	1;	2696	1
2562	}) {	2697	}) {
2563	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2564	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2565	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2566	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2567		2702
2568	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2596	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2597	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2598		2733
2599	=cut	2734	=cut
2600		2735
		2736	# non-persistent channels (usually the info channel)
2601	our %CHANNEL = (	2737	our %CHANNEL = (
2602	"c/identify" => {	2738	"c/identify" => {
2603	id => "identify",	2739	id => "infobox",
2604	title => "Identify",	2740	title => "Identify",
2605	reply => undef,	2741	reply => undef,
2606	tooltip => "Items recently identified",	2742	tooltip => "Items recently identified",
2607	},	2743	},
2608	"c/examine" => {	2744	"c/examine" => {
2609	id => "examine",	2745	id => "infobox",
2610	title => "Examine",	2746	title => "Examine",
2611	reply => undef,	2747	reply => undef,
2612	tooltip => "Signs and other items you examined",	2748	tooltip => "Signs and other items you examined",
2613	},	2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
2614	);	2806	);
2615		2807
2616	sub cf::client::send_msg {	2808	sub cf::client::send_msg {
2617	my ($self, $channel, $msg, $color, @extra) = @_;	2809	my ($self, $channel, $msg, $color, @extra) = @_;
2618		2810
2619	$msg = $self->pl->expand_cfpod ($msg);	2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
2620		2813
2621	$color &= cf::NDI_CLIENT_MASK; # just in case...	2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
2622		2815
2623	# check predefined channels, for the benefit of C	2816	# check predefined channels, for the benefit of C
2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
2625		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
2626	if (ref $channel) {	2823	} elsif (ref $channel) {
2627	# send meta info to client, if not yet sent	2824	# send meta info to client, if not yet sent
2628	unless (exists $self->{channel}{$channel->{id}}) {	2825	unless (exists $self->{channel}{$channel->{id}}) {
2629	$self->{channel}{$channel->{id}} = $channel;	2826	$self->{channel}{$channel->{id}} = $channel;
2630	$self->ext_msg (channel_info => $channel)	2827	$self->ext_msg (channel_info => $channel);
2631	if $self->can_msg;
2632	}	2828	}
2633		2829
2634	$channel = $channel->{id};	2830	$channel = $channel->{id};
2635	}	2831	}
2636		2832
2637	return unless @extra || length $msg;	2833	return unless @extra || length $msg;
2638		2834
2639	if ($self->can_msg) {
2640	# default colour, mask it out	2835	# default colour, mask it out
2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2642	if $color & cf::NDI_DEF;	2837	if $color & cf::NDI_DEF;
2643		2838
2644	$self->send_packet ("msg " . $self->{json_coder}->encode (	2839	my $pkt = "msg "
		2840	. $self->{json_coder}->encode (
2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2646	} else {	2842	);
2647	if ($color >= 0) {
2648	# replace some tags by gcfclient-compatible ones
2649	for ($msg) {
2650	1 while
2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2656	}
2657		2843
2658	$color &= cf::NDI_COLOR_MASK;	2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
2659		2847
2660	utf8::encode $msg;	2848	# split very large packets
2661		2849	if (8192 < length $pkt and $self->{can_lzf}) {
2662	if (0 && $msg =~ /\[/) {	2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2663	# COMMAND/INFO	2851	$pkt = "frag";
2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
2665	} else {
2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2667	$self->send_packet ("drawinfo $color $msg")
2668	}
2669	}
2670	}	2852	}
		2853
		2854	$self->send_packet ($pkt);
2671	}	2855	}
2672		2856
2673	=item $client->ext_msg ($type, @msg)	2857	=item $client->ext_msg ($type, @msg)
2674		2858
2675	Sends an ext event to the client.	2859	Sends an ext event to the client.
…		…
2848	=pod	3032	=pod
2849		3033
2850	The following functions and methods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2851		3035
2852	cf::object	3036	cf::object
2853	contr pay_amount pay_player map x y force_find force_add	3037	contr pay_amount pay_player map x y force_find force_add destroy
2854	insert remove name archname title slaying race decrease_ob_nr	3038	insert remove name archname title slaying race decrease split
2855		3039
2856	cf::object::player	3040	cf::object::player
2857	player	3041	player
2858		3042
2859	cf::player	3043	cf::player
…		…
2864		3048
2865	=cut	3049	=cut
2866		3050
2867	for (	3051	for (
2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869	insert remove inv name archname title slaying race	3053	insert remove inv nrof name archname title slaying race
2870	decrease_ob_nr)],	3054	decrease split destroy change_exp)],
2871	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2872	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2873	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2874	) {	3058	) {
2875	no strict 'refs';	3059	no strict 'refs';
…		…
2980	{	3164	{
2981	my $faces = $facedata->{faceinfo};	3165	my $faces = $facedata->{faceinfo};
2982		3166
2983	while (my ($face, $info) = each %$faces) {	3167	while (my ($face, $info) = each %$faces) {
2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3169
2985	cf::face::set_visibility $idx, $info->{visibility};	3170	cf::face::set_visibility $idx, $info->{visibility};
2986	cf::face::set_magicmap $idx, $info->{magicmap};	3171	cf::face::set_magicmap $idx, $info->{magicmap};
2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2989		3174
2990	cf::cede_to_tick;	3175	cf::cede_to_tick;
2991	}	3176	}
2992		3177
2993	while (my ($face, $info) = each %$faces) {	3178	while (my ($face, $info) = each %$faces) {
2994	next unless $info->{smooth};	3179	next unless $info->{smooth};
		3180
2995	my $idx = cf::face::find $face	3181	my $idx = cf::face::find $face
2996	or next;	3182	or next;
		3183
2997	if (my $smooth = cf::face::find $info->{smooth}) {	3184	if (my $smooth = cf::face::find $info->{smooth}) {
2998	cf::face::set_smooth $idx, $smooth;	3185	cf::face::set_smooth $idx, $smooth;
2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3000	} else {	3187	} else {
3001	warn "smooth face '$info->{smooth}' not found for face '$face'";	3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3019	{	3206	{
3020	# TODO: for gcfclient pleasure, we should give resources	3207	# TODO: for gcfclient pleasure, we should give resources
3021	# that gcfclient doesn't grok a >10000 face index.	3208	# that gcfclient doesn't grok a >10000 face index.
3022	my $res = $facedata->{resource};	3209	my $res = $facedata->{resource};
3023		3210
3024	my $soundconf = delete $res->{"res/sound.conf"};
3025
3026	while (my ($name, $info) = each %$res) {	3211	while (my ($name, $info) = each %$res) {
		3212	if (defined $info->{type}) {
3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3028	my $data;	3214	my $data;
3029		3215
3030	if ($info->{type} & 1) {	3216	if ($info->{type} & 1) {
3031	# prepend meta info	3217	# prepend meta info
3032		3218
3033	my $meta = $enc->encode ({	3219	my $meta = $enc->encode ({
3034	name => $name,	3220	name => $name,
3035	%{ $info->{meta} || {} },	3221	%{ $info->{meta} || {} },
3036	});	3222	});
3037		3223
3038	$data = pack "(w/a*)*", $meta, $info->{data};	3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
3039	} else {	3231	} else {
3040	$data = $info->{data};	3232	$RESOURCE{$name} = $info;
3041	}	3233	}
3042		3234
3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3044	cf::face::set_type $idx, $info->{type};
3045
3046	cf::cede_to_tick;	3235	cf::cede_to_tick;
3047	}	3236	}
3048
3049	if ($soundconf) {
3050	$soundconf = $enc->decode (delete $soundconf->{data});
3051
3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3053	my $sound = $soundconf->{compat}[$_]
3054	or next;
3055
3056	my $face = cf::face::find "sound/$sound->[1]";
3057	cf::sound::set $sound->[0] => $face;
3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3059	}
3060
3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
3062	my $face = cf::face::find "sound/$v";
3063	cf::sound::set $k => $face;
3064	}
3065	}
3066	}	3237	}
		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3067		3240
3068	1	3241	1
3069	}	3242	}
		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
3070		3263
3071	register_exticmd fx_want => sub {	3264	register_exticmd fx_want => sub {
3072	my ($ns, $want) = @_;	3265	my ($ns, $want) = @_;
3073		3266
3074	while (my ($k, $v) = each %$want) {	3267	while (my ($k, $v) = each %$want) {
3075	$ns->fx_want ($k, $v);	3268	$ns->fx_want ($k, $v);
3076	}	3269	}
3077	};	3270	};
		3271
		3272	sub load_resource_file($) {
		3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
3078		3281
3079	sub reload_regions {	3282	sub reload_regions {
3080	# HACK to clear player env face cache, we need some signal framework	3283	# HACK to clear player env face cache, we need some signal framework
3081	# for this (global event?)	3284	# for this (global event?)
3082	%ext::player_env::MUSIC_FACE_CACHE = ();	3285	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3096	}	3299	}
3097		3300
3098	sub reload_archetypes {	3301	sub reload_archetypes {
3099	load_resource_file "$DATADIR/archetypes"	3302	load_resource_file "$DATADIR/archetypes"
3100	or die "unable to load archetypes\n";	3303	or die "unable to load archetypes\n";
3101	#d# NEED to laod twice to resolve forward references
3102	# this really needs to be done in an extra post-pass
3103	# (which needs to be synchronous, so solve it differently)
3104	load_resource_file "$DATADIR/archetypes"
3105	or die "unable to load archetypes\n";
3106	}	3304	}
3107		3305
3108	sub reload_treasures {	3306	sub reload_treasures {
3109	load_resource_file "$DATADIR/treasures"	3307	load_resource_file "$DATADIR/treasures"
3110	or die "unable to load treasurelists\n";	3308	or die "unable to load treasurelists\n";
3111	}	3309	}
3112		3310
3113	sub reload_resources {	3311	sub reload_resources {
3114	warn "reloading resource files...\n";	3312	warn "reloading resource files...\n";
3115		3313
		3314	reload_facedata;
		3315	reload_archetypes;
3116	reload_regions;	3316	reload_regions;
3117	reload_facedata;
3118	#reload_archetypes;#d#
3119	reload_archetypes;
3120	reload_treasures;	3317	reload_treasures;
3121		3318
3122	warn "finished reloading resource files\n";	3319	warn "finished reloading resource files\n";
3123	}
3124
3125	sub init {
3126	reload_resources;
3127	}	3320	}
3128		3321
3129	sub reload_config {	3322	sub reload_config {
3130	open my $fh, "<:utf8", "$CONFDIR/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
3131	or return;	3324	or return;
3132		3325
3133	local $/;	3326	local $/;
3134	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
3135		3328
3136	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3137		3330
3138	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3139	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3145	};	3338	};
3146	warn $@ if $@;	3339	warn $@ if $@;
3147	}	3340	}
3148	}	3341	}
3149		3342
		3343	sub pidfile() {
		3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
		3360	}
		3361
3150	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
3151	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
3152	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3154	(async {	3380	(async {
3155	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
3156	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
3157	};	3384	};
3158		3385
		3386	evthread_start IO::AIO::poll_fileno;
		3387
		3388	cf::sync_job {
		3389	reload_resources;
3159	reload_config;	3390	reload_config;
3160	db_init;	3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
3161	load_extensions;	3404	load_extensions;
3162		3405
3163	$TICK_WATCHER->start;	3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
3164	Event::loop;	3414	EV::loop;
3165	}	3415	}
3166		3416
3167	#############################################################################	3417	#############################################################################
3168	# initialisation and cleanup	3418	# initialisation and cleanup
3169		3419
3170	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
3171	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
3172	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
3173	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3174	reentrant => 0,
3175	data => WF_AUTOCANCEL,
3176	signal => $signal,
3177	prio => 0,
3178	cb => sub {
3179	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
3180	},
3181	);	3426	};
3182	}	3427	}
3183	}	3428	}
3184		3429
3185	sub write_runtime {	3430	sub write_runtime_sync {
3186	my $runtime = "$LOCALDIR/runtime";
3187
3188	# first touch the runtime file to show we are still running:	3431	# first touch the runtime file to show we are still running:
3189	# the fsync below can take a very very long time.	3432	# the fsync below can take a very very long time.
3190		3433
3191	IO::AIO::aio_utime $runtime, undef, undef;	3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3192		3435
3193	my $guard = cf::lock_acquire "write_runtime";	3436	my $guard = cf::lock_acquire "write_runtime";
3194		3437
3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3196	or return;	3439	or return;
3197		3440
3198	my $value = $cf::RUNTIME + 90 + 10;	3441	my $value = $cf::RUNTIME + 90 + 10;
3199	# 10 is the runtime save interval, for a monotonic clock	3442	# 10 is the runtime save interval, for a monotonic clock
3200	# 60 allows for the watchdog to kill the server.	3443	# 60 allows for the watchdog to kill the server.
…		…
3210	aio_utime $fh, undef, undef;	3453	aio_utime $fh, undef, undef;
3211		3454
3212	close $fh	3455	close $fh
3213	or return;	3456	or return;
3214		3457
3215	aio_rename "$runtime~", $runtime	3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3216	and return;	3459	and return;
3217		3460
3218	warn "runtime file written.\n";	3461	warn "runtime file written.\n";
3219		3462
3220	1	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
3221	}	3514	}
3222		3515
3223	sub emergency_save() {	3516	sub emergency_save() {
3224	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
3225		3518
3226	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
3227		3520
3228	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
3229	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
3230	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
3231	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
3232	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
3233	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
3234	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
3235	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3236	$pl->save;	3535	$pl->save;
3237	}	3536	}
3238	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
3239		3538
3240	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
3241	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
3242	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
3243	$map->valid or next;	3542	$map->valid or next;
3244	$map->save;	3543	$map->save;
3245	}	3544	}
3246	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
3247		3546
3248	warn "begin emergency database checkpoint\n";	3547	warn "emergency_perl_save: begin database checkpoint\n";
3249	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
3250	warn "end emergency database checkpoint\n";	3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
3251	};	3554	};
3252		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
3253	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
3254	}	3562	}
3255		3563
3256	sub post_cleanup {	3564	sub post_cleanup {
3257	my ($make_core) = @_;	3565	my ($make_core) = @_;
3258		3566
3259	warn Carp::longmess "post_cleanup backtrace"	3567	warn Carp::longmess "post_cleanup backtrace"
3260	if $make_core;	3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
3261	}	3598	}
3262		3599
3263	sub do_reload_perl() {	3600	sub do_reload_perl() {
3264	# can/must only be called in main	3601	# can/must only be called in main
3265	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
3266	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
3267	return;	3604	return;
3268	}	3605	}
3269		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
3270	warn "reloading...";	3612	warn "reloading...";
3271		3613
3272	warn "entering sync_job";	3614	warn "entering sync_job";
3273		3615
3274	cf::sync_job {	3616	cf::sync_job {
3275	cf::write_runtime; # external watchdog should not bark	3617	cf::write_runtime_sync; # external watchdog should not bark
3276	cf::emergency_save;	3618	cf::emergency_save;
3277	cf::write_runtime; # external watchdog should not bark	3619	cf::write_runtime_sync; # external watchdog should not bark
3278		3620
3279	warn "syncing database to disk";	3621	warn "syncing database to disk";
3280	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3281		3623
3282	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
3283		3625
3284	warn "cancelling all WF_AUTOCANCEL watchers";
3285	for (Event::all_watchers) {
3286	$_->cancel if $_->data & WF_AUTOCANCEL;
3287	}
3288
3289	warn "flushing outstanding aio requests";	3626	warn "flushing outstanding aio requests";
3290	for (;;) {
3291	BDB::flush;
3292	IO::AIO::flush;
3293	Coro::cede;
3294	last unless IO::AIO::nreqs || BDB::nreqs;	3627	while (IO::AIO::nreqs || BDB::nreqs) {
3295	warn "iterate...";	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3296	}
3297
3298	++$RELOAD;
3299
3300	warn "cancelling all extension coros";
3301	$_->cancel for values %EXT_CORO;
3302	%EXT_CORO = ();
3303
3304	warn "removing commands";
3305	%COMMAND = ();
3306
3307	warn "removing ext/exti commands";
3308	%EXTCMD = ();
3309	%EXTICMD = ();
3310
3311	warn "unloading/nuking all extensions";
3312	for my $pkg (@EXTS) {
3313	warn "... unloading $pkg";
3314
3315	if (my $cb = $pkg->can ("unload")) {
3316	eval {
3317	$cb->($pkg);
3318	1
3319	} or warn "$pkg unloaded, but with errors: $@";
3320	}	3629	}
3321		3630
3322	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
3323	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
3324	}	3633	%EXT_CORO = ();
3325		3634
3326	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
3327	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3329		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
3330	warn "... unloading $k";	3644	warn "... unloading $pkg";
3331	delete $INC{$k};
3332		3645
3333	$k =~ s/\.pm$//;
3334	$k =~ s/\//::/g;
3335
3336	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
3337	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
3338	}	3655	}
3339		3656
3340	Symbol::delete_package $k;	3657	warn "unloading all perl modules loaded from $LIBDIR";
		3658	while (my ($k, $v) = each %INC) {
		3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
3341	}	3672	}
3342		3673
3343	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
3344	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3346		3677
3347	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
3348	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
3349	delete $INC{"cf/pod.pm"};	3680	delete $INC{"cf/pod.pm"};
3350		3681
3351	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
3352	# and global variables created in xs	3683	# and global variables created in xs
3353	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
3354		3685
3355	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
3356		3687
3357	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
3358	require cf;	3689	require cf;
3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3360		3691
3361	warn "loading config and database again";	3692	warn "loading config and database again";
3362	cf::reload_config;	3693	cf::reload_config;
3363		3694
3364	warn "loading extensions";	3695	warn "loading extensions";
3365	cf::load_extensions;	3696	cf::load_extensions;
3366		3697
		3698	if ($REATTACH_ON_RELOAD) {
3367	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
3368	_global_reattach; # objects, sockets	3700	_global_reattach; # objects, sockets
3369	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
3370	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
3371	warn "reattaching attachments to players";	3703	warn "reattaching attachments to players";
3372	reattach $_ for values %PLAYER;	3704	reattach $_ for values %PLAYER;
		3705	}
3373		3706
		3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
		3709
3374	warn "leaving sync_job";	3710	warn "leaving sync_job";
3375		3711
3376	1	3712	1
3377	} or do {	3713	} or do {
3378	warn $@;	3714	warn $@;
3379	warn "error while reloading, exiting.";	3715	cf::cleanup "error while reloading, exiting.";
3380	exit 1;
3381	};	3716	};
3382		3717
3383	warn "reloaded";	3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
3384	};	3724	};
3385		3725
3386	our $RELOAD_WATCHER; # used only during reload	3726	our $RELOAD_WATCHER; # used only during reload
3387		3727
3388	sub reload_perl() {	3728	sub reload_perl() {
3389	# doing reload synchronously and two reloads happen back-to-back,	3729	# doing reload synchronously and two reloads happen back-to-back,
3390	# coro crashes during coro_state_free->destroy here.	3730	# coro crashes during coro_state_free->destroy here.
3391		3731
3392	$RELOAD_WATCHER ||= Event->timer (	3732	$RELOAD_WATCHER ||= cf::async {
3393	reentrant => 0,	3733	Coro::AIO::aio_wait cache_extensions;
3394	after => 0,	3734
3395	data => WF_AUTOCANCEL,	3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3396	cb => sub {
3397	do_reload_perl;	3736	do_reload_perl;
3398	undef $RELOAD_WATCHER;	3737	undef $RELOAD_WATCHER;
3399	},	3738	};
3400	);	3739	};
3401	}	3740	}
3402		3741
3403	register_command "reload" => sub {	3742	register_command "reload" => sub {
3404	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
3405		3744
3406	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
3407	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
		3747	async {
		3748	$Coro::current->{desc} = "perl_reload";
3408	async { reload_perl };	3749	reload_perl;
		3750	};
3409	}	3751	}
3410	};	3752	};
3411		3753
3412	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
3413		3755
…		…
3415		3757
3416	our @WAIT_FOR_TICK;	3758	our @WAIT_FOR_TICK;
3417	our @WAIT_FOR_TICK_BEGIN;	3759	our @WAIT_FOR_TICK_BEGIN;
3418		3760
3419	sub wait_for_tick {	3761	sub wait_for_tick {
3420	return unless $TICK_WATCHER->is_active;
3421	return if $Coro::current == $Coro::main;	3762	return if tick_inhibit || $Coro::current == $Coro::main;
3422		3763
3423	my $signal = new Coro::Signal;	3764	my $signal = new Coro::Signal;
3424	push @WAIT_FOR_TICK, $signal;	3765	push @WAIT_FOR_TICK, $signal;
3425	$signal->wait;	3766	$signal->wait;
3426	}	3767	}
3427		3768
3428	sub wait_for_tick_begin {	3769	sub wait_for_tick_begin {
3429	return unless $TICK_WATCHER->is_active;
3430	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
3431		3771
3432	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
3433	push @WAIT_FOR_TICK_BEGIN, $signal;	3773	push @WAIT_FOR_TICK_BEGIN, $signal;
3434	$signal->wait;	3774	$signal->wait;
3435	}	3775	}
3436		3776
3437	my $min = 1e6;#d#	3777	sub tick {
3438	my $avg = 10;
3439	$TICK_WATCHER = Event->timer (
3440	reentrant => 0,
3441	parked => 1,
3442	prio => 0,
3443	at => $NEXT_TICK || $TICK,
3444	data => WF_AUTOCANCEL,
3445	cb => sub {
3446	if ($Coro::current != $Coro::main) {	3778	if ($Coro::current != $Coro::main) {
3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3448	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
3449	return;	3781	return;
3450	}	3782	}
3451		3783
3452	$NOW = $tick_start = Event::time;
3453
3454	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
3455		3785
3456	0 && sync_job {#d#	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3457	for(1..10) {	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3458	my $t = Event::time;	3788	Coro::async_pool {
3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3789	$Coro::current->{desc} = "runtime saver";
3460	or die;	3790	write_runtime_sync
3461		3791	or warn "ERROR: unable to write runtime file: $!";
3462	$map->width (50);
3463	$map->height (50);
3464	$map->alloc;
3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3466	my $t = Event::time - $t;
3467
3468	#next unless $t < 0.0013;#d#
3469	if ($t < $min) {
3470	$min = $t;
3471	}
3472	$avg = $avg * 0.99 + $t * 0.01;
3473	}
3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3475	exit 0;
3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3477	};	3792	};
		3793	}
3478		3794
3479	$RUNTIME += $TICK;
3480	$NEXT_TICK += $TICK;
3481
3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
3484	Coro::async_pool {
3485	write_runtime
3486	or warn "ERROR: unable to write runtime file: $!";
3487	};
3488	}
3489
3490	# my $AFTER = Event::time;
3491	# warn $AFTER - $NOW;#d#
3492
3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3494	$sig->send;	3796	$sig->send;
3495	}	3797	}
3496	while (my $sig = shift @WAIT_FOR_TICK) {	3798	while (my $sig = shift @WAIT_FOR_TICK) {
3497	$sig->send;	3799	$sig->send;
3498	}	3800	}
3499		3801
3500	$NOW = Event::time;	3802	$LOAD = ($NOW - $TICK_START) / $TICK;
3501
3502	# if we are delayed by four ticks or more, skip them all
3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3504
3505	$TICK_WATCHER->at ($NEXT_TICK);
3506	$TICK_WATCHER->start;
3507
3508	$LOAD = ($NOW - $tick_start) / $TICK;
3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3510		3804
3511	_post_tick;	3805	if (0) {
3512		3806	if ($NEXT_TICK) {
3513		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
		3810	}
3514	},	3811	}
3515	);	3812	}
3516		3813
3517	{	3814	{
3518	BDB::max_poll_time $TICK * 0.1;	3815	# configure BDB
3519	$BDB_POLL_WATCHER = Event->io (	3816
3520	reentrant => 0,
3521	fd => BDB::poll_fileno,
3522	poll => 'r',
3523	prio => 0,
3524	data => WF_AUTOCANCEL,
3525	cb => \&BDB::poll_cb,
3526	);
3527	BDB::min_parallel 8;	3817	BDB::min_parallel 8;
3528		3818	BDB::max_poll_reqs $TICK * 0.1;
3529	BDB::set_sync_prepare {	3819	$AnyEvent::BDB::WATCHER->priority (1);
3530	my $status;
3531	my $current = $Coro::current;
3532	(
3533	sub {
3534	$status = $!;
3535	$current->ready; undef $current;
3536	},
3537	sub {
3538	Coro::schedule while defined $current;
3539	$! = $status;
3540	},
3541	)
3542	};
3543		3820
3544	unless ($DB_ENV) {	3821	unless ($DB_ENV) {
3545	$DB_ENV = BDB::db_env_create;	3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3546		3828
3547	cf::sync_job {	3829	cf::sync_job {
3548	eval {	3830	eval {
3549	BDB::db_env_open	3831	BDB::db_env_open
3550	$DB_ENV,	3832	$DB_ENV,
…		…
3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3554	0666;	3836	0666;
3555		3837
3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3557
3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3559	$DB_ENV->set_lk_detect;
3560	};	3839	};
3561		3840
3562	cf::cleanup "db_env_open(db): $@" if $@;	3841	cf::cleanup "db_env_open(db): $@" if $@;
3563	};	3842	};
3564	}	3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
3565	}	3854	}
3566		3855
3567	{	3856	{
		3857	# configure IO::AIO
		3858
3568	IO::AIO::min_parallel 8;	3859	IO::AIO::min_parallel 8;
3569
3570	undef $Coro::AIO::WATCHER;
3571	IO::AIO::max_poll_time $TICK * 0.1;	3860	IO::AIO::max_poll_time $TICK * 0.1;
3572	$AIO_POLL_WATCHER = Event->io (	3861	undef $AnyEvent::AIO::WATCHER;
3573	reentrant => 0,
3574	data => WF_AUTOCANCEL,
3575	fd => IO::AIO::poll_fileno,
3576	poll => 'r',
3577	prio => 6,
3578	cb => \&IO::AIO::poll_cb,
3579	);
3580	}	3862	}
3581		3863
3582	my $_log_backtrace;	3864	my $_log_backtrace;
3583		3865
3584	sub _log_backtrace {	3866	sub _log_backtrace {
…		…
3587	$msg =~ s/\n//;	3869	$msg =~ s/\n//;
3588		3870
3589	# limit the # of concurrent backtraces	3871	# limit the # of concurrent backtraces
3590	if ($_log_backtrace < 2) {	3872	if ($_log_backtrace < 2) {
3591	++$_log_backtrace;	3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
3592	async {	3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
3593	my @bt = fork_call {	3878	my @bt = fork_call {
3594	@addr = map { sprintf "%x", $_ } @addr;	3879	@addr = map { sprintf "%x", $_ } @addr;
3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3597	or die "addr2line: $!";	3882	or die "addr2line: $!";
…		…
3605	}	3890	}
3606		3891
3607	@funcs	3892	@funcs
3608	};	3893	};
3609		3894
3610	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3611	LOG llevInfo, "[ABT] $_\n" for @bt;	3897	LOG llevInfo, "[ABT] $_\n" for @bt;
3612	--$_log_backtrace;	3898	--$_log_backtrace;
3613	};	3899	};
3614	} else {	3900	} else {
3615	LOG llevInfo, "[ABT] $msg\n";	3901	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

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