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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.307 by root, Sun Jul 15 22:39:48 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 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
…		…
1485		1821
1486	=cut	1822	=cut
1487		1823
1488	sub find_by_path($) {	1824	sub find_by_path($) {
1489	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1490		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}) {
…		…
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) = @_;
1525	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1526	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
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}
1538	)
1539	}	1867	}
1540		1868
1541	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1542		1870
1543	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1548		1876
1549	sub register {	1877	sub register {
1550	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1879	my $pkg = caller;
1552		1880
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1882
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1884	}
1558		1885
1559	# also paths starting with '/'	1886	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1888
1562	sub thawer_merge {	1889	sub thawer_merge {
1563	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1564		1891
1565	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1570	}	1897	}
1571		1898
1572	sub normalise {	1899	sub normalise {
1573	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1574		1901
1575	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1576		1903
1577	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1578		1905
1579	# map plan:	1906	# map plan:
1580	#	1907	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1923	$path = "$base/$path";
1597	}	1924	}
1598		1925
1599	for ($path) {	1926	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1603	}	1929	}
1604		1930
1605	$path	1931	$path
…		…
1619	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1620	return $self;	1946	return $self;
1621	}	1947	}
1622	}	1948	}
1623		1949
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1951	()
1626	}	1952	}
1627		1953
1628	sub init {	1954	sub init {
1629	my ($self) = @_;	1955	my ($self) = @_;
…		…
1651		1977
1652	# the temporary/swap location	1978	# the temporary/swap location
1653	sub save_path {	1979	sub save_path {
1654	my ($self) = @_;	1980	my ($self) = @_;
1655		1981
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1658	}	1984	}
1659		1985
1660	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1661	sub uniq_path {	1987	sub uniq_path {
1662	my ($self) = @_;	1988	my ($self) = @_;
1663		1989
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1991	"$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	}	1992	}
1676		1993
1677	sub decay_objects {	1994	sub decay_objects {
1678	my ($self) = @_;	1995	my ($self) = @_;
1679		1996
…		…
1692		2009
1693	sub load_header_from($) {	2010	sub load_header_from($) {
1694	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1695		2012
1696	utf8::encode $path;	2013	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1702		2022
1703	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1704		2024
1705	1	2025	1
1706	}	2026	}
…		…
1758		2078
1759	sub find;	2079	sub find;
1760	sub find {	2080	sub find {
1761	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1762		2082
		2083	cf::cede_to_tick;
		2084
1763	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1764		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2089
1767	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1770	or return;	2092	or return;
1771		2093
1772	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1773		2095
…		…
1775	or return;	2097	or return;
1776		2098
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1780	$map->reset;	2104	$map->reset;
1781	undef $guard;
1782	return find $path;	2105	return find $path;
1783	}	2106	}
1784		2107
1785	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1786	}	2109	}
1787	}	2110	}
1788		2111
1789	sub pre_load { }	2112	sub pre_load { }
1790	sub post_load { }	2113	#sub post_load { } # XS
1791		2114
1792	sub load {	2115	sub load {
1793	my ($self) = @_;	2116	my ($self) = @_;
1794		2117
1795	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1796		2119
1797	my $path = $self->{path};	2120	my $path = $self->{path};
1798		2121
1799	{	2122	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1801		2124
		2125	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2127
1804	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1805		2129
1806	$self->alloc;	2130	$self->alloc;
1807		2131
1808	$self->pre_load;	2132	$self->pre_load;
1809	Coro::cede;	2133	cf::cede_to_tick;
1810		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1812	or return;	2138	or return;
1813		2139
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1815	if delete $self->{load_original};	2141	if delete $self->{load_original};
1816		2142
1817	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2144	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2147	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1822	}	2151	}
1823	}	2152	}
1824		2153
1825	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1826	# now do the right thing for maps	2157	# now do the right thing for maps
1827	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2160	unless $self->difficulty;
1830	Coro::cede;	2161	cf::cede_to_tick;
1831		2162
1832	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2164	$self->decay_objects;
1834	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1835	$self->update_buttons;	2166	$self->update_buttons;
1836	Coro::cede;	2167	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2168	$self->activate;
1840	}	2169	}
1841		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2175	}
1844		2176
1845	$self->post_load;	2177	$self->post_load;
1846	}
1847		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2185	sub customise_for {
1849	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1850		2187
1851	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2189	if $self->per_player;
…		…
1856		2193
1857	$self	2194	$self
1858	}	2195	}
1859		2196
1860	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2198	sub load_neighbours {
1862	my ($map) = @_;	2199	my ($map) = @_;
1863		2200
1864	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1865		2202
1866	for (0 .. 3) {	2203	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1868	or next;	2205	or next;
1869	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1870	or next;	2207	or next;
1871	$neigh->load;	2208	$neigh->load;
1872		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2214	}
1876		2215
1877	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1879	or next;	2219	or next;
1880	$neigh->load;	2220	$neigh->load;
1881	}	2221	}
1882	}	2222	}
1883		2223
1884	sub find_sync {	2224	sub find_sync {
1885	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1886		2226
1887	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1888	}	2231	}
1889		2232
1890	sub do_load_sync {	2233	sub do_load_sync {
1891	my ($map) = @_;	2234	my ($map) = @_;
1892		2235
1893	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1894	}	2240	}
1895		2241
1896	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1898		2244
1899	sub find_async {	2245	sub find_async {
1900	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1901		2247
1902	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1903		2249
1904	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2252	}
1907		2253
1908	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1909	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1910	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2261	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2262	$map->load if $v;
		2263	}
1915		2264
1916	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1917	}	2266	}
1918	}	2267	}
1919	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1920	};	2269	};
1921	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1922		2271
1923	()	2272	()
1924	}	2273	}
1925		2274
		2275	# common code, used by both ->save and ->swapout
1926	sub save {	2276	sub _save {
1927	my ($self) = @_;	2277	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2278
1931	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1932		2280
1933	return unless $self->dirty;	2281	return unless $self->dirty;
1934		2282
…		…
1940	return if $self->{deny_save};	2288	return if $self->{deny_save};
1941		2289
1942	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1943		2291
1944	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1946	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1947		2298
1948	if ($uniq) {	2299	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2302	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2304	}
1954	}	2305	}
1955		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1956	sub swap_out {	2315	sub swap_out {
1957	my ($self) = @_;	2316	my ($self) = @_;
1958		2317
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1964	return if $self->players;	2322	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1968	$self->clear;	2333	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2334	}
1971		2335
1972	sub reset_at {	2336	sub reset_at {
1973	my ($self) = @_;	2337	my ($self) = @_;
1974		2338
…		…
1992		2356
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2358
1995	return if $self->players;	2359	return if $self->players;
1996		2360
1997	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
1998		2362
1999	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
2000		2364
2001	# need to save uniques path	2365	# need to save uniques path
2002	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2370	if $uniq;
2007	}	2371	}
2008		2372
2009	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2010		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2377	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2378
2015	$self->unlink_save;	2379	$self->unlink_save;
2016	$self->destroy;	2380	$self->destroy;
2017	}	2381	}
2018		2382
2019	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2020		2384
2021	sub nuke {	2385	sub nuke {
2022	my ($self) = @_;	2386	my ($self) = @_;
2023		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2024	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2025		2392
2026	$self->unlink_save;	2393	$self->unlink_save;
2027		2394
2028	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2400
2034	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2035		2403
2036	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2037	}	2405	}
2038		2406
2039	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2081		2449
2082	sub unique_maps() {	2450	sub unique_maps() {
2083	[	2451	[
2084	map {	2452	map {
2085	utf8::decode $_;	2453	utf8::decode $_;
2086	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2087	? normalise $_	2457	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2459	]
2091	}	2460	}
2092		2461
2093	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2094		2493
2095	=back	2494	=back
2096		2495
2097	=head3 cf::object	2496	=head3 cf::object
2098		2497
…		…
2102		2501
2103	=over 4	2502	=over 4
2104		2503
2105	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2106		2505
2107	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2108		2508
2109	=cut	2509	=cut
2110		2510
2111	sub inv_recursive_;	2511	sub inv_recursive_;
2112	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2115		2515
2116	sub inv_recursive {	2516	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2118	}	2518	}
2119		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2120	package cf;	2548	package cf;
2121		2549
2122	=back	2550	=back
2123		2551
2124	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	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	2559	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2133		2561
2134	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2135		2577
2136	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2579	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2146		2588
2147	} else {	2589	} else {
2148	my $pl = $self->contr;	2590	my $pl = $self->contr;
2149		2591
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($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		2595
2159	} else {	2596	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2599	}
2163	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2164	}	2611	}
2165		2612
2166	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2167		2614
2168	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2181		2628
2182	=item $player_object->enter_link	2629	=item $player_object->enter_link
2183		2630
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2632
2186	The player should be reasonably safe there for short amounts of time. You	2633	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.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2188		2637
2189	Will never block.	2638	Will never block.
2190		2639
2191	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2192		2641
…		…
2212	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2662	my ($self) = @_;
2214		2663
2215	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2216		2665
		2666	++$self->{_link_recursion};
		2667
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2669
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2221		2672
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2674	}
2224		2675
2225	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2227		2678
…		…
2244	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2246		2697
2247	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2250		2701
2251	$map->load;	2702	$map->load;
2252	$map->load_diag;	2703	$map->load_neighbours;
2253		2704
2254	return unless $self->contr->active;	2705	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2706
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2259	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2260		2714
		2715	}
		2716
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2718
2263	Moves the player to the given map-path and coordinates by first freezing	2719	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	2720	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	2721	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2722	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2723	be called at the end of this process.
2268		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
2269	=cut	2728	=cut
2270		2729
2271	our $GOTOGEN;	2730	our $GOTOGEN;
2272		2731
2273	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
2276	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2743
2279	$self->enter_link;	2744	$self->enter_link;
2280		2745
2281	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2282	my $map = eval {	2768	my $map = eval {
2283	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2284		2770
2285	if ($map) {	2771	if ($map) {
2286	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2774	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2776	}
2291		2777
2292	$map	2778	$map
2293	};	2779	};
2294		2780
…		…
2300	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2303	}	2789	}
2304		2790
2305	$done->() if $done;	2791	$done->($self) if $done;
2306	})->prio (1);	2792	})->prio (1);
2307	}	2793	}
2308		2794
2309	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2310		2796
…		…
2330	}	2816	}
2331		2817
2332	sub prepare_random_map {	2818	sub prepare_random_map {
2333	my ($exit) = @_;	2819	my ($exit) = @_;
2334		2820
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2823	# that depends on the exit object
2340		2824
2341	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2827	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2348	}	2834	}
2349		2835
2350	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2351		2837
2352	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2355		2841
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2844	undef $fh;
2359	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2360		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2363	}	2853	}
2364	}	2854	}
2365		2855
2366	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2368		2858
2369	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2370		2860
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2861	$self->enter_link;
2383		2862
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2863	(async {
2389	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2390	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2391	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2392		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2393	1;	2887	1
2394	}) {	2888	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2893
2400	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	2895	$self->leave_link;
2402	}	2896	}
2403	})->prio (1);	2897	})->prio (1);
2404	}	2898	}
2405		2899
…		…
2419		2913
2420	utf8::encode $text;	2914	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2916	}
2423		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2944
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2946	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2430		2949
2431	=cut	2950	=cut
2432		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2433	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3068
2436	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
2437		3090
2438	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2439		3092
2440	if ($self->can_msg) {	3093	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3095	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3096
2453	if ($color >= 0) {	3097	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3098	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3100	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2464	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2465		3106
2466	Sends an ext event to the client.	3107	Sends an ext event to the client.
2467		3108
2468	=cut	3109	=cut
2469		3110
2470	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2472		3113
2473	return unless $self->extcmd;	3114	if ($self->extcmd == 2) {
2474		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2477	}	3138	}
2478		3139
2479	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2480		3141
2481	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2537		3198
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3200
2540	if (ref $msg) {	3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2547	} else {	3216	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3218	}
2550		3219
2551	cf::override;	3220	cf::override;
2552	},	3221	},
2553	);	3222	);
…		…
2573		3242
2574	$coro	3243	$coro
2575	}	3244	}
2576		3245
2577	cf::client->attach (	3246	cf::client->attach (
2578	on_destroy => sub {	3247	on_client_destroy => sub {
2579	my ($ns) = @_;	3248	my ($ns) = @_;
2580		3249
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3251	},
2583	);	3252	);
…		…
2598	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2600		3269
2601	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2602		3271
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2604		3277
2605	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2606		3279
2607	=pod	3280	=pod
2608		3281
2609	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2610		3283
2611	cf::object	3284	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3286	insert remove name archname title slaying race decrease split
		3287	value
2614		3288
2615	cf::object::player	3289	cf::object::player
2616	player	3290	player
2617		3291
2618	cf::player	3292	cf::player
…		…
2623		3297
2624	=cut	3298	=cut
2625		3299
2626	for (	3300	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2632	) {	3307	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3310	for @funs;
2637	}	3311	}
2638		3312
…		…
2653		3327
2654	my $qcode = $code;	3328	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2657		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2658	local $_;	3335	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3336
2661	my $eval =	3337	my $eval =
2662	"do {\n"	3338	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3341	. $code
2666	. "\n}"	3342	. "\n}"
2667	;	3343	;
2668		3344
		3345	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2672		3354
2673	if ($@) {	3355	if ($@) {
2674	warn "$@";	3356	warn "$@",
2675	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2677	}	3359	}
2678		3360
2679	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2680	}	3362	}
2681		3363
…		…
2695	=cut	3377	=cut
2696		3378
2697	sub register_script_function {	3379	sub register_script_function {
2698	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2699		3381
2700	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2702	}	3384	}
2703		3385
2704	=back	3386	=back
2705		3387
2706	=cut	3388	=cut
…		…
2709	# the server's init and main functions	3391	# the server's init and main functions
2710		3392
2711	sub load_facedata($) {	3393	sub load_facedata($) {
2712	my ($path) = @_;	3394	my ($path) = @_;
2713		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2714	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2715		3403
2716	my $facedata;
2717	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2718	or die "$path: $!";	3405	or die "$path: $!";
2719		3406
2720	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2721		3408
2722	$facedata->{version} == 2	3409	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2725	{	3421	{
2726	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2727		3423
2728	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2730	cf::face::set_visibility $idx, $info->{visibility};	3427	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2734		3432
2735	cf::cede_to_tick;	3433	cf::cede_to_tick;
2736	}	3434	}
2737		3435
2738	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2740	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2741	or next;	3440	or next;
		3441
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3443	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3445	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3447	}
2748		3448
2749	cf::cede_to_tick;	3449	cf::cede_to_tick;
2750	}	3450	}
2751	}	3451	}
…		…
2760		3460
2761	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2762	}	3462	}
2763		3463
2764	{	3464	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3465	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3466
2770	while (my ($name, $info) = each %$res) {	3467	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3468	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3470
2779	if ($name =~ /\.jpg$/) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3472	cf::face::set_type $idx, $info->{type};
2782	} else {	3473	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3474	$RESOURCE{$name} = $info; # unused
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3475	}
2789		3476
2790	cf::cede_to_tick;	3477	cf::cede_to_tick;
2791	}	3478	}
2792	}	3479	}
2793		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2794	1	3483	1
2795	}	3484	}
2796		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2797	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2798	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
2800		3511
2801	for (cf::region::list) {	3512	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3513	$_->{match} = qr/$_->{match}/
…		…
2810	}	3521	}
2811		3522
2812	sub reload_archetypes {	3523	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3526	}
2821		3527
2822	sub reload_treasures {	3528	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2825	}	3531	}
2826		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2827	sub reload_resources {	3556	sub reload_resources {
2828	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2829		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2830	reload_regions;	3564	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3565	reload_treasures;
2835		3566
2836	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2837	}	3568	}
2838		3569
2839	sub init {	3570	sub reload_config {
2840	reload_resources;	3571	trace "reloading config file...\n";
2841	}
2842		3572
2843	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2845	or return;
2846		3575
2847	local $/;	3576	utf8::decode $config;
2848	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2849		3578
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2851		3580
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2854		3583
2855	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2859	};	3588	};
2860	warn $@ if $@;	3589	warn $@ if $@;
2861	}	3590	}
2862	}	3591	}
2863		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2864	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2865	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3634	(async {
2869	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2871	};	3638	};
2872		3639
2873	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2874	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2875	load_extensions;	3663	load_extensions;
2876		3664
2877	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2878	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2879	}	3683	}
2880		3684
2881	#############################################################################	3685	#############################################################################
2882	# initialisation and cleanup	3686	# initialisation and cleanup
2883		3687
2884	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2885	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2894	},
2895	);	3694	};
2896	}	3695	}
2897	}	3696	}
2898		3697
2899	sub write_runtime {	3698	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
2901		3700
2902	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
2904		3703
2905	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3705
2907	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
2908		3707
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3709	or return;
2911		3710
2912	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
2925		3724
2926	close $fh	3725	close $fh
2927	or return;	3726	or return;
2928		3727
2929	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3729	and return;
2931		3730
2932	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3732
2934	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2935	}	3784	}
2936		3785
2937	sub emergency_save() {	3786	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2939		3788
2940	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2941		3795
2942	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2943	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3807	$pl->save;
2951	}	3808	}
2952	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2953		3810
2954	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3816	$map->valid or next;
2958	$map->save;	3817	$map->save;
2959	}	3818	}
2960	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2961		3820
2962	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2965	};	3849	};
2966		3850
2967	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2968	}	3852	}
2969		3853
2970	sub post_cleanup {	3854	sub post_cleanup {
2971	my ($make_core) = @_;	3855	my ($make_core) = @_;
2972		3856
		3857	IO::AIO::flush;
		3858
2973	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2975	}	3889	}
2976		3890
2977	sub do_reload_perl() {	3891	sub do_reload_perl() {
2978	# can/must only be called in main	3892	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2980	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2981	return;	3895	return;
2982	}	3896	}
2983		3897
2984	warn "reloading...";	3898	return if $RELOAD++;
2985		3899
2986	warn "entering sync_job";	3900	my $t1 = AE::time;
2987		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2988	cf::sync_job {	3908	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark
2990	cf::emergency_save;	3909	#cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark
2992		3910
2993	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;
2995
2996	# if anything goes wrong in here, we should simply crash as we already saved
2997
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;
3009	warn "iterate...";
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();	3913	%EXT_CORO = ();
3017		3914
3018	warn "removing commands";	3915	trace "perl_reload: removing commands";
3019	%COMMAND = ();	3916	%COMMAND = ();
3020		3917
3021	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
3022	%EXTCMD = ();	3919	%EXTCMD = ();
3023	%EXTICMD = ();	3920	%EXTICMD = ();
3024		3921
3025	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
3028		3925
3029	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
3030	eval {	3927	eval {
3031	$cb->($pkg);	3928	$cb->($pkg);
3032	1	3929	1
3033	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
3034	}	3935	}
3035		3936
3036	warn "... nuking $pkg";
3037	Symbol::delete_package $pkg;
3038	}
3039
3040	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3041	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3940
3044	warn "... unloading $k";	3941	trace "... unloading $k";
3045	delete $INC{$k};	3942	delete $INC{$k};
3046		3943
3047	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
3049		3946
3050	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
3051	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
3052	}	3952	}
3053		3953
3054	Symbol::delete_package $k;
3055	}
3056
3057	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3957
3061	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3961
3065	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3963	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3068		3965
3069	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3070		3967
3071	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3072	require cf;	3969	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3074		3971
3075	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3076	cf::cfg_load;	3973	cf::reload_config;
3077		3974
3078	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3079	cf::load_extensions;	3976	cf::load_extensions;
3080		3977
		3978	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3087		3986
3088	warn "leaving sync_job";	3987	cf::_post_init 1;
3089		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3090	1	3991	1
3091	} or do {	3992	} or do {
3092	warn $@;	3993	error $@;
3093	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3094	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3095	};	3998	}
3096		3999
3097	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3098	};	4002	};
3099		4003
3100	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3101		4005
3102	sub reload_perl() {	4006	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3105		4009
3106	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	4012
3109	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	4014	do_reload_perl;
3112	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3113	},	4016	};
3114	);	4017	};
3115	}	4018	}
3116		4019
3117	register_command "reload" => sub {	4020	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3119		4022
3120	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	4027	reload_perl;
		4028	};
3123	}	4029	}
3124	};	4030	};
3125		4031
3126	unshift @INC, $LIBDIR;	4032	#############################################################################
3127		4033
3128	my $bug_warning = 0;	4034	my $bug_warning = 0;
3129		4035
3130	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3132		4038
3133	sub wait_for_tick {	4039	sub wait_for_tick() {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3136		4041
3137	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	4044	$signal->wait;
3140	}	4045	}
3141		4046
3142	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3145		4049
3146	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	4052	$signal->wait;
3149	}	4053	}
3150		4054
3151	my $min = 1e6;#d#	4055	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3163	return;	4059	return;
3164	}	4060	}
3165		4061
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3169		4063
3170	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3171	for(1..10) {
3172	my $t = Event::time;
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3174	or die;
3175		4065
3176	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	$map->alloc;	4068	Coro::async_pool {
3179	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3180	my $t = Event::time - $t;	4070	write_runtime_sync
3181		4071	or error "ERROR: unable to write runtime file: $!";
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	4072	};
		4073	}
3192		4074
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	4076	$sig->send;
3209	}	4077	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	4079	$sig->send;
3212	}	4080	}
3213		4081
3214	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4084
3225	_post_tick;	4085	if (0) {
3226		4086	if ($NEXT_TICK) {
3227		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3228	},	4091	}
3229	);	4092	}
3230		4093
3231	{	4094	{
3232	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4096
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3242		4098	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4100
3258	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		4108
3261	cf::sync_job {	4109	cf::sync_job {
3262	eval {	4110	eval {
3263	BDB::db_env_open	4111	BDB::db_env_open
3264	$DB_ENV,	4112	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4116	0666;
3269		4117
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4119	};
3275		4120
3276	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4122	};
3278	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3279	}	4134	}
3280		4135
3281	{	4136	{
		4137	# configure IO::AIO
		4138
3282	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4142	}
3295		4143
3296	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3297		4146
3298	sub _log_backtrace {	4147	sub _log_backtrace {
3299	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3300		4149
3301	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3302		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3303	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3305	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3306	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3307	my @bt = fork_call {	4163	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3319	}	4175	}
3320		4176
3321	@funcs	4177	@funcs
3322	};	4178	};
3323		4179
3324	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4183	--$_log_backtrace;
3327	};	4184	};
3328	} else {	4185	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3331	}	4188	}
3332	}	4189	}
3333		4190
3334	# load additional modules	4191	# load additional modules
3335	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3336		4194
3337	END { cf::emergency_save }	4195	END { cf::emergency_save }
3338		4196
3339	1	4197	1
3340		4198

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