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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	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;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
172	=back	258	=back
173		259
174	=cut	260	=cut
175		261
176	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
177	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
178	my $msg = join "", @_;	269	my $msg = join "", @_;
179		270
180	$msg .= "\n"	271	$msg .= "\n"
181	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
182		273
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		275
185	utf8::encode $msg;
186	LOG llevError, $msg;	276	LOG llevWarn, $msg;
187	};	277	};
188	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
189		292
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	303	for my $pkg (qw(
201	cf::global cf::attachable	304	cf::global cf::attachable
202	cf::object cf::object::player	305	cf::object cf::object::player
203	cf::client cf::player	306	cf::client cf::player
204	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
205	cf::map cf::party cf::region	309	cf::party cf::region
206	)) {	310	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	312	}
210		313
211	$Event::DIED = sub {	314	$EV::DIED = sub {
212	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
213	};	316	};
214		317
215	#############################################################################	318	#############################################################################
216		319
217	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	343	$d
241	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
242	}	345	}
243		346
244	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
245		348
246	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
247		350
248	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
249		352
250	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
251		354
252	=cut	355	=cut
253		356
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		358
256	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
258		404
259	=item cf::lock_wait $string	405	=item cf::lock_wait $string
260		406
261	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
262		408
263	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
264		410
265	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
268	returned.	414	returned.
269		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
270	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
272		421
273	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
274		423
275	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
276		425
277	=cut	426	=cut
278		427
279	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
280		429
281	sub lock_wait($) {	430	sub lock_wait($) {
282	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	432	}
290		433
291	sub lock_acquire($) {	434	sub lock_acquire($) {
292	my ($key) = @_;	435	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	436	}
304		437
305	sub lock_active($) {	438	sub lock_active($) {
306	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	440	}
310		441
311	sub freeze_mainloop {	442	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
313		444
314	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
316	};	512	}
317	$TICK_WATCHER->stop;	513	};
318	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
319	}	528	}
320		529
321	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
322		531
323	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		537
329	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
330		539
331	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
332		541
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	545	acceptable.
337		546
338	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	552	=cut
344		553
345	sub sync_job(&) {	554	sub sync_job(&) {
346	my ($job) = @_;	555	my ($job) = @_;
347		556
348	if ($Coro::current == $Coro::main) {	557	if (in_main) {
349	my $time = Event::time;	558	my $time = AE::time;
350		559
351	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
353		562
354	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	564
356	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
357		566
358	my $busy = 1;	567	my $busy = 1;
359	my @res;	568	my @res;
360		569
361	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	572	@res = eval { $job->() };
363	warn $@ if $@;	573	error $@ if $@;
364	undef $busy;	574	undef $busy;
365	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
366		576
367	while ($busy) {	577	while ($busy) {
368	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
369	}	582	}
		583	}
370		584
371	$time = Event::time - $time;	585	my $time = AE::time - $time;
372		586
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
377		588
378	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
379	} else {	590	} else {
380	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
381		592
…		…
401	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
402		613
403	$coro	614	$coro
404	}	615	}
405		616
406	=item fork_call { }, $args	617	=item fork_call { }, @args
407		618
408	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
412		623
413	=cut	624	=cut
414		625
415	sub _store_scalar {	626	sub post_fork {
416	open my $fh, ">", \my $buf	627	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	628	}
423		629
424	sub fork_call(&@) {	630	sub fork_call(&@) {
425	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
426		632
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		636
432	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
433	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
434		641
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	643	}
437	$res = Coro::Storable::thaw $res;
438		644
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
466	}	681	}
467		682
468	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
469		684
470	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
473		688
474	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
477	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
478		718
479	our $DB;	719	our $DB;
480		720
481	sub db_init {	721	sub db_init {
482	unless ($DB) {	722	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	723	}
497		724
498	sub db_get($$) {	725	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
500		727
501	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
502	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
503		732
504	$! ? ()	733	$! ? ()
505	: $data	734	: $data
506	}
507	}	735	}
508		736
509	sub db_put($$$) {	737	sub db_put($$$) {
510	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	778	if (1) {
551	$md5 =	779	$md5 =
552	join "\x00",	780	join "\x00",
553	$processversion,	781	$processversion,
554	map {	782	map {
555	Coro::cede;	783	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	785	} 0.. $#$src;
558		786
559		787
560	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		795
568	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	797	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
571		799
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		801
574	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
577		805
…		…
587		815
588	=cut	816	=cut
589		817
590	sub datalog($@) {	818	sub datalog($@) {
591	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	821	}
594		822
595	=back	823	=back
596		824
597	=cut	825	=cut
598		826
599	#############################################################################	827	#############################################################################
600		828
601	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
602		830
603	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
606		834
607	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	837	Deliantra).
610		838
611	=over 4	839	=over 4
612		840
613	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
614		842
…		…
658	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
659		887
660	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
662		890
663	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
665		893
666	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
667		895
668	=over 4	896	=over 4
…		…
792		1020
793	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1023
796	} elsif (ref $type) {	1024	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
798		1026
799	} else {	1027	} else {
800	shift @arg;	1028	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
802	}	1030	}
803	}	1031	}
804	}	1032	}
805		1033
806	sub _object_attach {	1034	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
817	}	1045	}
818		1046
819	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
820	} else {	1048	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1050	}
823		1051
824	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
825	}	1053	}
826		1054
…		…
866	";	1094	";
867	die if $@;	1095	die if $@;
868	}	1096	}
869		1097
870	our $override;	1098	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1100
873	sub override {	1101	sub override {
874	$override = 1;	1102	$override = 1;
875	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
876	}	1104	}
877		1105
878	sub do_invoke {	1106	sub do_invoke {
879	my $event = shift;	1107	my $event = shift;
880	my $callbacks = shift;	1108	my $callbacks = shift;
881		1109
882	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
883		1111
884	local $override;	1112	local $override;
885		1113
886	for (@$callbacks) {	1114	for (@$callbacks) {
887	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
888		1116
889	if ($@) {	1117	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1119	override;
893	}	1120	}
894		1121
895	return 1 if $override;	1122	return 1 if $override;
896	}	1123	}
897		1124
898	0	1125	0
899	}	1126	}
900		1127
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1129
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1131
905	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
906		1133
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1137
911	=back	1138	=back
912		1139
913	=cut	1140	=cut
914		1141
915	#############################################################################	1142	#############################################################################
916	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
917		1186
918	sub reattach {	1187	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1189	my ($obj) = @_;
921		1190
		1191	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1193
924	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
925		1195
926	@$registry = ();	1196	@$registry = ();
927		1197
…		…
932	for (@$attach) {	1202	for (@$attach) {
933	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
935	}	1205	}
936	} else {	1206	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1208	}
939	}	1209	}
940	}	1210	}
941		1211
942	cf::attachable->attach (	1212	cf::attachable->attach (
943	prio => -1000000,	1213	prio => -1000000,
944	on_instantiate => sub {	1214	on_instantiate => sub {
945	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
946		1216
947	$data = from_json $data;	1217	$data = decode_json $data;
948		1218
949	for (@$data) {	1219	for (@$data) {
950	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
951		1221
952	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1238	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
970		1240
971	sync_job {	1241	sync_job {
972	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
975		1247
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
980	close $fh;	1255	aio_close $fh;
981		1256
982	if (@$objs) {	1257	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
988	close $fh;	1266	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
990	}	1268	}
991	} else {	1269	} else {
992	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
993	}	1271	}
994		1272
995	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1277	} else {
997	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
998	}	1279	}
999	} else {	1280	} else {
1000	aio_unlink $filename;	1281	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1002	}	1283	}
1003	}	1284	};
1004	}	1285	}
1005		1286
1006	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1008		1289
…		…
1020	or return;	1301	or return;
1021		1302
1022	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1305	or return;
		1306
1025	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1026	}	1309	}
1027		1310
		1311	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1030	return ($data, $av);	1316	($data, $av)
1031	}	1317	}
1032		1318
1033	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1034		1320
1035	=over 4	1321	=over 4
…		…
1089	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1090		1376
1091	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1092	}	1378	}
1093		1379
		1380	use File::Glob ();
		1381
1094	cf::player->attach (	1382	cf::player->attach (
1095	on_command => sub {	1383	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1097		1385
1098	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1099	or return;	1387	or return;
1100		1388
…		…
1108	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1109		1397
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1399
1112	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1118	} else {	1415	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1417	}
1121		1418
1122	cf::override;	1419	cf::override;
1123	},	1420	},
1124	);	1421	);
1125		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1126	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1127	cf::sync_job {	1439	cf::sync_job {
1128	my %todo;	1440	my %todo;
1129		1441
1130	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1443	next unless -r $path;
…		…
1149		1461
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1464
1153	$ext{source} =	1465	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1156	. $source	1468	. $source
1157	. "\n};\n1";	1469	. "\n};\n1";
1158		1470
1159	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1160	}	1472	}
1161		1473
		1474	my $pass = 0;
1162	my %done;	1475	my %done;
1163	while (%todo) {	1476	while (%todo) {
1164	my $progress;	1477	my $progress;
1165		1478
		1479	++$pass;
		1480
		1481	ext:
1166	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1484	next ext
1169	unless exists $done{$_};	1485	unless exists $done{$_};
1170	}	1486	}
1171		1487
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1489
1174	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1179	warn $msg;	1497
1180	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1499	delete $todo{$k};
1182	}	1500	} else {
1183		1501	$done{$k} = delete $todo{$k};
1184	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1185	}	1507	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1508	}
1191		1509
1192	skip:	1510	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1195	}	1518	}
1196	};	1519	};
1197	}	1520	}
1198		1521
1199	#############################################################################	1522	#############################################################################
1200		1523
1201	=back	1524	=back
1202		1525
1203	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1204		1527
1205	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1206		1529
1207	=cut	1530	=cut
1208		1531
1209	package cf::player;	1532	package cf::player;
1210		1533
1211	use Coro::AIO;	1534	use Coro::AIO;
1212		1535
1213	=head3 cf::player	1536	=head3 cf::player
1214		1537
1215	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1216		1553
1217	=item cf::player::find $login	1554	=item cf::player::find $login
1218		1555
1219	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1220		1557
…		…
1239		1576
1240	sub exists($) {	1577	sub exists($) {
1241	my ($login) = @_;	1578	my ($login) = @_;
1242		1579
1243	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1245	}	1582	}
1246		1583
1247	sub find($) {	1584	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1586	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1597
1261	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1264	}	1607	}
1265	}	1608	}
1266	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1267		1623
1268	sub save($) {	1624	sub save($) {
1269	my ($pl) = @_;	1625	my ($pl) = @_;
1270		1626
1271	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1277		1633
1278	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1280		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1281	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1282	Coro::cede;	1643	cf::cede_to_tick;
1283	}	1644	}
1284		1645
1285	sub new($) {	1646	sub new($) {
1286	my ($login) = @_;	1647	my ($login) = @_;
1287		1648
…		…
1293	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1294		1655
1295	$self	1656	$self
1296	}	1657	}
1297		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1298	=item $pl->quit_character	1669	=item $pl->quit_character
1299		1670
1300	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1302		1673
…		…
1306	my ($pl) = @_;	1677	my ($pl) = @_;
1307		1678
1308	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1309		1680
1310	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1683
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1316	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1317		1692
1318	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1355	or return [];	1730	or return [];
1356		1731
1357	my @logins;	1732	my @logins;
1358		1733
1359	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1363		1744
1364	utf8::decode $login;	1745	utf8::decode $login;
1365	push @logins, $login;	1746	push @logins, $login;
1366	}	1747	}
1367		1748
1368	\@logins	1749	\@logins
1369	}	1750	}
1370		1751
1371	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1372		1755
1373	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1374	player. May block.	1757	player. May block.
1375		1758
1376	=cut	1759	=cut
…		…
1394	}	1777	}
1395		1778
1396	\@paths	1779	\@paths
1397	}	1780	}
1398		1781
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1783
1401	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1402		1785
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1450		1787
1451	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1452		1789
1453	=cut	1790	=cut
1454		1791
1455	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1457		1794
1458	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1796	}
1461		1797
1462	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1463		1799
1464	Sends an ext event to the client.	1800	Sends an ext event to the client.
1465		1801
1466	=cut	1802	=cut
1467		1803
1468	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1470		1806
1471	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1472	}	1808	}
1473		1809
1474	=head3 cf::region	1810	=head3 cf::region
1475		1811
1476	=over 4	1812	=over 4
…		…
1486	=cut	1822	=cut
1487		1823
1488	sub find_by_path($) {	1824	sub find_by_path($) {
1489	my ($path) = @_;	1825	my ($path) = @_;
1490		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1491	my ($match, $specificity);	1829	my ($match, $specificity);
1492		1830
1493	for my $region (list) {	1831	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1497	}	1835	}
1498	}	1836	}
1499		1837
…		…
1520	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1522		1860
1523	sub generate_random_map {	1861	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1525	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1867	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1538	)	1870	)
1539	}	1871	}
1540		1872
1541	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1542		1874
…		…
1548		1880
1549	sub register {	1881	sub register {
1550	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1883	my $pkg = caller;
1552		1884
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1886
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1888	}
1558		1889
1559	# also paths starting with '/'	1890	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1892
1562	sub thawer_merge {	1893	sub thawer_merge {
1563	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1564		1895
1565	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
…		…
1570	}	1901	}
1571		1902
1572	sub normalise {	1903	sub normalise {
1573	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1574		1905
1575	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1576		1907
1577	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1578		1909
1579	# map plan:	1910	# map plan:
1580	#	1911	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1927	$path = "$base/$path";
1597	}	1928	}
1598		1929
1599	for ($path) {	1930	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1603	}	1933	}
1604		1934
1605	$path	1935	$path
…		…
1619	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1620	return $self;	1950	return $self;
1621	}	1951	}
1622	}	1952	}
1623		1953
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1955	()
1626	}	1956	}
1627		1957
1628	sub init {	1958	sub init {
1629	my ($self) = @_;	1959	my ($self) = @_;
…		…
1651		1981
1652	# the temporary/swap location	1982	# the temporary/swap location
1653	sub save_path {	1983	sub save_path {
1654	my ($self) = @_;	1984	my ($self) = @_;
1655		1985
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1658	}	1988	}
1659		1989
1660	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1661	sub uniq_path {	1991	sub uniq_path {
1662	my ($self) = @_;	1992	my ($self) = @_;
1663		1993
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1996	}
1676		1997
1677	sub decay_objects {	1998	sub decay_objects {
1678	my ($self) = @_;	1999	my ($self) = @_;
1679		2000
…		…
1692		2013
1693	sub load_header_from($) {	2014	sub load_header_from($) {
1694	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1695		2016
1696	utf8::encode $path;	2017	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1702		2026
1703	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1704		2028
1705	1	2029	1
1706	}	2030	}
…		…
1758		2082
1759	sub find;	2083	sub find;
1760	sub find {	2084	sub find {
1761	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1762		2086
		2087	cf::cede_to_tick;
		2088
1763	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1764		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2093
1767	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1770	or return;	2096	or return;
1771		2097
1772	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1773		2099
…		…
1775	or return;	2101	or return;
1776		2102
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1780	$map->reset;	2108	$map->reset;
1781	undef $guard;
1782	return find $path;	2109	return find $path;
1783	}	2110	}
1784		2111
1785	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1786	}	2113	}
1787	}	2114	}
1788		2115
1789	sub pre_load { }	2116	sub pre_load { }
1790	sub post_load { }	2117	#sub post_load { } # XS
1791		2118
1792	sub load {	2119	sub load {
1793	my ($self) = @_;	2120	my ($self) = @_;
1794		2121
1795	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1796		2123
1797	my $path = $self->{path};	2124	my $path = $self->{path};
1798		2125
1799	{	2126	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1801		2128
		2129	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2131
1804	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1805		2133
1806	$self->alloc;	2134	$self->alloc;
1807		2135
1808	$self->pre_load;	2136	$self->pre_load;
1809	Coro::cede;	2137	cf::cede_to_tick;
1810		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1812	or return;	2142	or return;
1813		2143
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1815	if delete $self->{load_original};	2145	if delete $self->{load_original};
1816		2146
1817	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2148	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2151	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1822	}	2155	}
1823	}	2156	}
1824		2157
1825	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1826	# now do the right thing for maps	2161	# now do the right thing for maps
1827	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2164	unless $self->difficulty;
1830	Coro::cede;	2165	cf::cede_to_tick;
1831		2166
1832	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2168	$self->decay_objects;
1834	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1835	$self->update_buttons;	2170	$self->update_buttons;
1836	Coro::cede;	2171	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2172	$self->activate;
1840	}	2173	}
1841		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2179	}
1844		2180
1845	$self->post_load;	2181	$self->post_load;
1846	}
1847		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2189	sub customise_for {
1849	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1850		2191
1851	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2193	if $self->per_player;
…		…
1856		2197
1857	$self	2198	$self
1858	}	2199	}
1859		2200
1860	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2202	sub load_neighbours {
1862	my ($map) = @_;	2203	my ($map) = @_;
1863		2204
1864	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1865		2206
1866	for (0 .. 3) {	2207	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1868	or next;	2209	or next;
1869	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1870	or next;	2211	or next;
1871	$neigh->load;	2212	$neigh->load;
1872		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2218	}
1876		2219
1877	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1879	or next;	2223	or next;
1880	$neigh->load;	2224	$neigh->load;
1881	}	2225	}
1882	}	2226	}
1883		2227
1884	sub find_sync {	2228	sub find_sync {
1885	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1886		2230
1887	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1888	}	2235	}
1889		2236
1890	sub do_load_sync {	2237	sub do_load_sync {
1891	my ($map) = @_;	2238	my ($map) = @_;
1892		2239
1893	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1894	}	2244	}
1895		2245
1896	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1898		2248
1899	sub find_async {	2249	sub find_async {
1900	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1901		2251
1902	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1903		2253
1904	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2256	}
1907		2257
1908	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1909	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1910	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2265	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2266	$map->load if $v;
		2267	}
1915		2268
1916	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1917	}	2270	}
1918	}	2271	}
1919	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1920	};	2273	};
1921	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1922		2275
1923	()	2276	()
1924	}	2277	}
1925		2278
		2279	# common code, used by both ->save and ->swapout
1926	sub save {	2280	sub _save {
1927	my ($self) = @_;	2281	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2282
1931	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1932		2284
1933	return unless $self->dirty;	2285	return unless $self->dirty;
1934		2286
…		…
1940	return if $self->{deny_save};	2292	return if $self->{deny_save};
1941		2293
1942	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1943		2295
1944	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1946	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1947		2302
1948	if ($uniq) {	2303	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2306	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2308	}
1954	}	2309	}
1955		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1956	sub swap_out {	2319	sub swap_out {
1957	my ($self) = @_;	2320	my ($self) = @_;
1958		2321
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1964	return if $self->players;	2326	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1968	$self->clear;	2337	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2338	}
1971		2339
1972	sub reset_at {	2340	sub reset_at {
1973	my ($self) = @_;	2341	my ($self) = @_;
1974		2342
…		…
1992		2360
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2362
1995	return if $self->players;	2363	return if $self->players;
1996		2364
1997	warn "resetting map ", $self->path;	2365	cf::trace "resetting map ", $self->path, "\n";
1998		2366
1999	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
2000		2368
2001	# need to save uniques path	2369	# need to save uniques path
2002	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2374	if $uniq;
2007	}	2375	}
2008		2376
2009	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
2010		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2381	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2382
2015	$self->unlink_save;	2383	$self->unlink_save;
2016	$self->destroy;	2384	$self->destroy;
2017	}	2385	}
2018		2386
2019	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
2020		2388
2021	sub nuke {	2389	sub nuke {
2022	my ($self) = @_;	2390	my ($self) = @_;
2023		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
2024	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
2025		2396
2026	$self->unlink_save;	2397	$self->unlink_save;
2027		2398
2028	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2404
2034	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
2035		2407
2036	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
2037	}	2409	}
2038		2410
2039	=item $maps = cf::map::tmp_maps	2411	=item $maps = cf::map::tmp_maps
…		…
2081		2453
2082	sub unique_maps() {	2454	sub unique_maps() {
2083	[	2455	[
2084	map {	2456	map {
2085	utf8::decode $_;	2457	utf8::decode $_;
2086	/\.map$/	2458	s/\.map$//; # TODO future compatibility hack
		2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
2087	? normalise $_	2461	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2462	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2463	]
2091	}	2464	}
2092		2465
2093	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
2094		2497
2095	=back	2498	=back
2096		2499
2097	=head3 cf::object	2500	=head3 cf::object
2098		2501
…		…
2102		2505
2103	=over 4	2506	=over 4
2104		2507
2105	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
2106		2509
2107	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
2108		2512
2109	=cut	2513	=cut
2110		2514
2111	sub inv_recursive_;	2515	sub inv_recursive_;
2112	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
2115		2519
2116	sub inv_recursive {	2520	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
2118	}	2522	}
2119		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
2120	package cf;	2552	package cf;
2121		2553
2122	=back	2554	=back
2123		2555
2124	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
2133		2565
2134	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
2135		2581
2136	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2583	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
2146		2592
2147	} else {	2593	} else {
2148	my $pl = $self->contr;	2594	my $pl = $self->contr;
2149		2595
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2597	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2599
2159	} else {	2600	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2603	}
2163	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
2164	}	2615	}
2165		2616
2166	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
2167		2618
2168	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
2181		2632
2182	=item $player_object->enter_link	2633	=item $player_object->enter_link
2183		2634
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2636
2186	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
2188		2641
2189	Will never block.	2642	Will never block.
2190		2643
2191	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
2192		2645
…		…
2212	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2666	my ($self) = @_;
2214		2667
2215	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
2216		2669
		2670	++$self->{_link_recursion};
		2671
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2673
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
2221		2676
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2678	}
2224		2679
2225	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
2227		2682
…		…
2244	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
2246		2701
2247	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
2250		2705
2251	$map->load;	2706	$map->load;
2252	$map->load_diag;	2707	$map->load_neighbours;
2253		2708
2254	return unless $self->contr->active;	2709	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2710
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
2259	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
2260		2718
		2719	}
		2720
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2722
2263	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
2267		2731
2268	=cut	2732	=cut
2269		2733
2270	our $GOTOGEN;	2734	our $GOTOGEN;
2271		2735
2272	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
2274		2744
2275	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2747
2278	$self->enter_link;	2748	$self->enter_link;
2279		2749
2280	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
2281	my $map = eval {	2772	my $map = eval {
2282	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
2283		2774
2284	if ($map) {	2775	if ($map) {
2285	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2778	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2780	}
2290		2781
2291	$map	2782	$map
2292	};	2783	};
2293		2784
…		…
2298		2789
2299	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
2302	}	2793	}
		2794
		2795	$done->($self) if $done;
2303	})->prio (1);	2796	})->prio (1);
2304	}	2797	}
2305		2798
2306	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
2307		2800
…		…
2327	}	2820	}
2328		2821
2329	sub prepare_random_map {	2822	sub prepare_random_map {
2330	my ($exit) = @_;	2823	my ($exit) = @_;
2331		2824
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2827	# that depends on the exit object
2337		2828
2338	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2831	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2345	}	2838	}
2346		2839
2347	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2348		2841
2349	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2352		2845
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2848	undef $fh;
2356	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2357		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2360	}	2857	}
2361	}	2858	}
2362		2859
2363	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2365		2862
2366	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2367		2864
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2865	$self->enter_link;
2380		2866
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2867	(async {
2386	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2387	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2388	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2389		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2390	1;	2891	1
2391	}) {	2892	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2897
2397	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2899	$self->leave_link;
2399	}	2900	}
2400	})->prio (1);	2901	})->prio (1);
2401	}	2902	}
2402		2903
…		…
2416		2917
2417	utf8::encode $text;	2918	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2920	}
2420		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2948
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2949	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2950	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2951	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2952	the message unless the client supports the msg packet.
2427		2953
2428	=cut	2954	=cut
2429		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
2430	sub cf::client::send_msg {	3070	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3071	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3072
2433	$msg = $self->pl->expand_cfpod ($msg);	3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
2434		3094
2435	return unless @extra || length $msg;	3095	return unless @extra || length $msg;
2436		3096
2437	if ($self->can_msg) {	3097	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3099	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3100
2450	if ($color >= 0) {	3101	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3102	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3104	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2461	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2462		3110
2463	Sends an ext event to the client.	3111	Sends an ext event to the client.
2464		3112
2465	=cut	3113	=cut
2466		3114
2467	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2469		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2472	}	3142	}
2473		3143
2474	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2475		3145
2476	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3201	my ($ns, $buf) = @_;
2532		3202
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3204
2535	if (ref $msg) {	3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3213	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3214	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
2542	} else {	3220	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3222	}
2545		3223
2546	cf::override;	3224	cf::override;
2547	},	3225	},
2548	);	3226	);
…		…
2568		3246
2569	$coro	3247	$coro
2570	}	3248	}
2571		3249
2572	cf::client->attach (	3250	cf::client->attach (
2573	on_destroy => sub {	3251	on_client_destroy => sub {
2574	my ($ns) = @_;	3252	my ($ns) = @_;
2575		3253
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3255	},
2578	);	3256	);
…		…
2593	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2595		3273
2596	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2597		3275
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2599		3281
2600	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2601		3283
2602	=pod	3284	=pod
2603		3285
2604	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2605		3287
2606	cf::object	3288	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3289	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3290	insert remove name archname title slaying race decrease split
		3291	value
2609		3292
2610	cf::object::player	3293	cf::object::player
2611	player	3294	player
2612		3295
2613	cf::player	3296	cf::player
…		…
2618		3301
2619	=cut	3302	=cut
2620		3303
2621	for (	3304	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2627	) {	3311	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3314	for @funs;
2632	}	3315	}
2633		3316
…		…
2648		3331
2649	my $qcode = $code;	3332	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2652		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2653	local $_;	3339	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3340
2656	my $eval =	3341	my $eval =
2657	"do {\n"	3342	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3345	. $code
2661	. "\n}"	3346	. "\n}"
2662	;	3347	;
2663		3348
		3349	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2667		3358
2668	if ($@) {	3359	if ($@) {
2669	warn "$@";	3360	warn "$@",
2670	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2672	}	3363	}
2673		3364
2674	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2675	}	3366	}
2676		3367
…		…
2690	=cut	3381	=cut
2691		3382
2692	sub register_script_function {	3383	sub register_script_function {
2693	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2694		3385
2695	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2697	}	3388	}
2698		3389
2699	=back	3390	=back
2700		3391
2701	=cut	3392	=cut
…		…
2704	# the server's init and main functions	3395	# the server's init and main functions
2705		3396
2706	sub load_facedata($) {	3397	sub load_facedata($) {
2707	my ($path) = @_;	3398	my ($path) = @_;
2708		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2709	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2710		3407
2711	my $facedata;
2712	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2713	or die "$path: $!";	3409	or die "$path: $!";
2714		3410
2715	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2716		3412
2717	$facedata->{version} == 2	3413	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2720	{	3425	{
2721	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2722		3427
2723	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2725	cf::face::set_visibility $idx, $info->{visibility};	3431	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3432	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2729		3435
2730	cf::cede_to_tick;	3436	cf::cede_to_tick;
2731	}	3437	}
2732		3438
2733	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2735	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2736	or next;	3443	or next;
		3444
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3446	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3448	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3450	}
2743		3451
2744	cf::cede_to_tick;	3452	cf::cede_to_tick;
2745	}	3453	}
2746	}	3454	}
…		…
2755		3463
2756	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2757	}	3465	}
2758		3466
2759	{	3467	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3468	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3469
2765	while (my ($name, $info) = each %$res) {	3470	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3471	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2775	cf::face::set_type $idx, 1;	3475	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
2777		3479
2778	cf::cede_to_tick;	3480	cf::cede_to_tick;
2779	}	3481	}
2780	}	3482	}
2781		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2782	1	3486	1
2783	}	3487	}
2784		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2785	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2786	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
2788	}	3519	}
2789		3520
2790	sub reload_facedata {	3521	sub reload_facedata {
2791	load_facedata "$DATADIR/facedata"	3522	load_facedata "$DATADIR/facedata"
2792	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
2793	}	3524	}
2794		3525
2795	sub reload_archetypes {	3526	sub reload_archetypes {
2796	load_resource_file "$DATADIR/archetypes"	3527	load_resource_file "$DATADIR/archetypes"
2797	or die "unable to load archetypes\n";	3528	or die "unable to load archetypes\n";
2798	#d# NEED to laod twice to resolve forward references
2799	# this really needs to be done in an extra post-pass
2800	# (which needs to be synchronous, so solve it differently)
2801	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";
2803	}	3529	}
2804		3530
2805	sub reload_treasures {	3531	sub reload_treasures {
2806	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2807	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2808	}	3534	}
2809		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2810	sub reload_resources {	3559	sub reload_resources {
2811	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2812		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2813	reload_regions;	3567	reload_regions;
2814	reload_facedata;
2815	#reload_archetypes;#d#
2816	reload_archetypes;
2817	reload_treasures;	3568	reload_treasures;
2818		3569
2819	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2820	}	3571	}
2821		3572
2822	sub init {	3573	sub reload_config {
2823	reload_resources;	3574	trace "reloading config file...\n";
2824	}
2825		3575
2826	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2827	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
2828	or return;
2829		3578
2830	local $/;	3579	utf8::decode $config;
2831	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2832		3581
2833	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2834		3583
2835	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2836	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2837		3586
2838	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2842	};	3591	};
2843	warn $@ if $@;	3592	warn $@ if $@;
2844	}	3593	}
2845	}	3594	}
2846		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2847	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2848	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2849	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2851	(async {	3637	(async {
2852	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2853	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2854	};	3641	};
2855		3642
2856	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2857	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2858	load_extensions;	3666	load_extensions;
2859		3667
2860	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2861	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2862	}	3686	}
2863		3687
2864	#############################################################################	3688	#############################################################################
2865	# initialisation and cleanup	3689	# initialisation and cleanup
2866		3690
2867	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2868	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2869	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2870	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2871	reentrant => 0,
2872	data => WF_AUTOCANCEL,
2873	signal => $signal,
2874	prio => 0,
2875	cb => sub {
2876	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2877	},
2878	);	3697	};
2879	}	3698	}
2880	}	3699	}
2881		3700
2882	sub write_runtime {	3701	sub write_runtime_sync {
2883	my $runtime = "$LOCALDIR/runtime";	3702	my $t0 = AE::time;
2884		3703
2885	# first touch the runtime file to show we are still running:	3704	# first touch the runtime file to show we are still running:
2886	# the fsync below can take a very very long time.	3705	# the fsync below can take a very very long time.
2887		3706
2888	IO::AIO::aio_utime $runtime, undef, undef;	3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2889		3708
2890	my $guard = cf::lock_acquire "write_runtime";	3709	my $guard = cf::lock_acquire "write_runtime";
2891		3710
2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2893	or return;	3712	or return;
2894		3713
2895	my $value = $cf::RUNTIME + 90 + 10;	3714	my $value = $cf::RUNTIME + 90 + 10;
2896	# 10 is the runtime save interval, for a monotonic clock	3715	# 10 is the runtime save interval, for a monotonic clock
2897	# 60 allows for the watchdog to kill the server.	3716	# 60 allows for the watchdog to kill the server.
…		…
2907	aio_utime $fh, undef, undef;	3726	aio_utime $fh, undef, undef;
2908		3727
2909	close $fh	3728	close $fh
2910	or return;	3729	or return;
2911		3730
2912	aio_rename "$runtime~", $runtime	3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2913	and return;	3732	and return;
2914		3733
2915	warn "runtime file written.\n";	3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2916		3735
2917	1	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2918	}	3787	}
2919		3788
2920	sub emergency_save() {	3789	sub emergency_save() {
2921	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2922		3791
2923	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2924		3798
2925	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2926	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2927	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2928	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2929	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2930	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2931	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2932	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2933	$pl->save;	3810	$pl->save;
2934	}	3811	}
2935	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2936		3813
2937	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2938	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2939	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2940	$map->valid or next;	3819	$map->valid or next;
2941	$map->save;	3820	$map->save;
2942	}	3821	}
2943	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2944		3823
2945	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2946	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2947	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2948	};	3852	};
2949		3853
2950	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2951	}	3855	}
2952		3856
2953	sub post_cleanup {	3857	sub post_cleanup {
2954	my ($make_core) = @_;	3858	my ($make_core) = @_;
2955		3859
		3860	IO::AIO::flush;
		3861
2956	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2957	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2958	}	3892	}
2959		3893
2960	sub do_reload_perl() {	3894	sub do_reload_perl() {
2961	# can/must only be called in main	3895	# can/must only be called in main
2962	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2963	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2964	return;	3898	return;
2965	}	3899	}
2966		3900
2967	warn "reloading...";	3901	return if $RELOAD++;
2968		3902
2969	warn "entering sync_job";	3903	my $t1 = AE::time;
2970		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2971	cf::sync_job {	3911	cf::sync_job {
2972	cf::write_runtime; # external watchdog should not bark
2973	cf::emergency_save;	3912	#cf::emergency_save;
2974	cf::write_runtime; # external watchdog should not bark
2975		3913
2976	warn "syncing database to disk";
2977	BDB::db_env_txn_checkpoint $DB_ENV;
2978
2979	# if anything goes wrong in here, we should simply crash as we already saved
2980
2981	warn "cancelling all WF_AUTOCANCEL watchers";
2982	for (Event::all_watchers) {
2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2984	}
2985
2986	warn "flushing outstanding aio requests";
2987	for (;;) {
2988	BDB::flush;
2989	IO::AIO::flush;
2990	Coro::cede;
2991	last unless IO::AIO::nreqs || BDB::nreqs;
2992	warn "iterate...";
2993	}
2994
2995	++$RELOAD;
2996
2997	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2998	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2999	%EXT_CORO = ();	3916	%EXT_CORO = ();
3000		3917
3001	warn "removing commands";	3918	trace "perl_reload: removing commands";
3002	%COMMAND = ();	3919	%COMMAND = ();
3003		3920
3004	warn "removing ext/exti commands";	3921	trace "perl_reload: removing ext/exti commands";
3005	%EXTCMD = ();	3922	%EXTCMD = ();
3006	%EXTICMD = ();	3923	%EXTICMD = ();
3007		3924
3008	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
3009	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
3010	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
3011		3928
3012	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
3013	eval {	3930	eval {
3014	$cb->($pkg);	3931	$cb->($pkg);
3015	1	3932	1
3016	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
3017	}	3938	}
3018		3939
3019	warn "... nuking $pkg";
3020	Symbol::delete_package $pkg;
3021	}
3022
3023	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3024	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3026		3943
3027	warn "... unloading $k";	3944	trace "... unloading $k";
3028	delete $INC{$k};	3945	delete $INC{$k};
3029		3946
3030	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
3031	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
3032		3949
3033	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
3034	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
3035	}	3955	}
3036		3956
3037	Symbol::delete_package $k;
3038	}
3039
3040	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
3041	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3043		3960
3044	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
3045	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
3046	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3047		3964
3048	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
3049	# and global variables created in xs	3966	# and global variables created in xs
3050	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
3051		3968
3052	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
3053		3970
3054	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
3055	require cf;	3972	require cf;
3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
3057		3974
3058	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
3059	cf::cfg_load;	3976	cf::reload_config;
3060		3977
3061	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
3062	cf::load_extensions;	3979	cf::load_extensions;
3063		3980
		3981	if ($REATTACH_ON_RELOAD) {
3064	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
3065	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
3066	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
3067	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
3068	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
3069	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
3070		3989
3071	warn "leaving sync_job";	3990	cf::_post_init 1;
3072		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
3073	1	3994	1
3074	} or do {	3995	} or do {
3075	warn $@;	3996	error $@;
3076	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
3077	exit 1;	3998	};
		3999
		4000	--$RELOAD;
3078	};	4001	}
3079		4002
3080	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
3081	};	4005	};
3082		4006
3083	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
3084		4008
3085	sub reload_perl() {	4009	sub reload_perl() {
3086	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
3087	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
3088		4012
3089	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
3090	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
3091	after => 0,	4015
3092	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3093	cb => sub {
3094	do_reload_perl;	4017	do_reload_perl;
3095	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
3096	},	4019	};
3097	);	4020	};
3098	}	4021	}
3099		4022
3100	register_command "reload" => sub {	4023	register_command "reload" => sub {
3101	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
3102		4025
3103	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
3104	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
3105	async { reload_perl };	4030	reload_perl;
		4031	};
3106	}	4032	}
3107	};	4033	};
3108		4034
3109	unshift @INC, $LIBDIR;	4035	#############################################################################
3110		4036
3111	my $bug_warning = 0;	4037	my $bug_warning = 0;
3112		4038
3113	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
3114	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
3115		4041
3116	sub wait_for_tick {	4042	sub wait_for_tick() {
3117	return unless $TICK_WATCHER->is_active;
3118	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3119		4044
3120	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
3121	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
3122	$signal->wait;	4047	$signal->wait;
3123	}	4048	}
3124		4049
3125	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
3126	return unless $TICK_WATCHER->is_active;
3127	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3128		4052
3129	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3130	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
3131	$signal->wait;	4055	$signal->wait;
3132	}	4056	}
3133		4057
3134	my $min = 1e6;#d#	4058	sub tick {
3135	my $avg = 10;
3136	$TICK_WATCHER = Event->timer (
3137	reentrant => 0,
3138	parked => 1,
3139	prio => 0,
3140	at => $NEXT_TICK || $TICK,
3141	data => WF_AUTOCANCEL,
3142	cb => sub {
3143	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3145	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
3146	return;	4062	return;
3147	}	4063	}
3148		4064
3149	$NOW = $tick_start = Event::time;
3150
3151	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
3152		4066
3153	0 && sync_job {#d#	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3154	for(1..10) {
3155	my $t = Event::time;
3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3157	or die;
3158		4068
3159	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3160	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3161	$map->alloc;	4071	Coro::async_pool {
3162	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
3163	my $t = Event::time - $t;	4073	write_runtime_sync
3164		4074	or error "ERROR: unable to write runtime file: $!";
3165	#next unless $t < 0.0013;#d#
3166	if ($t < $min) {
3167	$min = $t;
3168	}
3169	$avg = $avg * 0.99 + $t * 0.01;
3170	}
3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3172	exit 0;
3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3174	};	4075	};
		4076	}
3175		4077
3176	$RUNTIME += $TICK;
3177	$NEXT_TICK += $TICK;
3178
3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
3181	Coro::async_pool {
3182	write_runtime
3183	or warn "ERROR: unable to write runtime file: $!";
3184	};
3185	}
3186
3187	# my $AFTER = Event::time;
3188	# warn $AFTER - $NOW;#d#
3189
3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3191	$sig->send;	4079	$sig->send;
3192	}	4080	}
3193	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
3194	$sig->send;	4082	$sig->send;
3195	}	4083	}
3196		4084
3197	$NOW = Event::time;	4085	$LOAD = ($NOW - $TICK_START) / $TICK;
3198
3199	# if we are delayed by four ticks or more, skip them all
3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3201
3202	$TICK_WATCHER->at ($NEXT_TICK);
3203	$TICK_WATCHER->start;
3204
3205	$LOAD = ($NOW - $tick_start) / $TICK;
3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3207		4087
3208	_post_tick;	4088	if (0) {
3209		4089	if ($NEXT_TICK) {
3210		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
3211	},	4094	}
3212	);	4095	}
3213		4096
3214	{	4097	{
3215	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
3216	$BDB_POLL_WATCHER = Event->io (	4099
3217	reentrant => 0,
3218	fd => BDB::poll_fileno,
3219	poll => 'r',
3220	prio => 0,
3221	data => WF_AUTOCANCEL,
3222	cb => \&BDB::poll_cb,
3223	);
3224	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
3225		4101	BDB::max_poll_reqs $TICK * 0.1;
3226	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
3227	my $status;
3228	my $current = $Coro::current;
3229	(
3230	sub {
3231	$status = $!;
3232	$current->ready; undef $current;
3233	},
3234	sub {
3235	Coro::schedule while defined $current;
3236	$! = $status;
3237	},
3238	)
3239	};
3240		4103
3241	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
3242	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3243		4111
3244	cf::sync_job {	4112	cf::sync_job {
3245	eval {	4113	eval {
3246	BDB::db_env_open	4114	BDB::db_env_open
3247	$DB_ENV,	4115	$DB_ENV,
…		…
3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3251	0666;	4119	0666;
3252		4120
3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3254
3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3256	$DB_ENV->set_lk_detect;
3257	};	4122	};
3258		4123
3259	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
3260	};	4125	};
3261	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
3262	}	4137	}
3263		4138
3264	{	4139	{
		4140	# configure IO::AIO
		4141
3265	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
3266
3267	undef $Coro::AIO::WATCHER;
3268	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
3269	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
3270	reentrant => 0,
3271	data => WF_AUTOCANCEL,
3272	fd => IO::AIO::poll_fileno,
3273	poll => 'r',
3274	prio => 6,
3275	cb => \&IO::AIO::poll_cb,
3276	);
3277	}	4145	}
3278		4146
3279	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
3280		4149
3281	sub _log_backtrace {	4150	sub _log_backtrace {
3282	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
3283		4152
3284	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
3285		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3286	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3287	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3288	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3289	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3290	my @bt = fork_call {	4166	my @bt = fork_call {
3291	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3294	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3302	}	4178	}
3303		4179
3304	@funcs	4180	@funcs
3305	};	4181	};
3306		4182
3307	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3308	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3309	--$_log_backtrace;	4186	--$_log_backtrace;
3310	};	4187	};
3311	} else {	4188	} else {
3312	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3313	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3314	}	4191	}
3315	}	4192	}
3316		4193
3317	# load additional modules	4194	# load additional modules
3318	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3319		4197
3320	END { cf::emergency_save }	4198	END { cf::emergency_save }
3321		4199
3322	1	4200	1
3323		4201

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