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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		132
85	our %CFG;	133	our %CFG;
86		134
87	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
89		138
90	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
93		142
94	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		145
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
100		155
101	binmode STDOUT;	156	binmode STDOUT;
102	binmode STDERR;	157	binmode STDERR;
103		158
104	# read virtual server time, if available	159	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
109	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
110		167
111	mkdir $_	168	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		170
114	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
115		172
116	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		189
118	#############################################################################	190	#############################################################################
119		191
120	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
121		193
…		…
157		229
158	The raw value load value from the last tick.	230	The raw value load value from the last tick.
159		231
160	=item %cf::CFG	232	=item %cf::CFG
161		233
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	235	from wherever your confdir points to.
164		236
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		238
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
171	=back	260	=back
172		261
173	=cut	262	=cut
174		263
175	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	271	my $msg = join "", @_;
178		272
179	$msg .= "\n"	273	$msg .= "\n"
180	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
181		275
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		277
184	utf8::encode $msg;
185	LOG llevError, $msg;	278	LOG llevWarn, $msg;
186	};	279	};
187	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
188		294
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	305	for my $pkg (qw(
200	cf::global cf::attachable	306	cf::global cf::attachable
201	cf::object cf::object::player	307	cf::object cf::object::player
202	cf::client cf::player	308	cf::client cf::player
203	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
204	cf::map cf::party cf::region	311	cf::party cf::region
205	)) {	312	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	314	}
209		315
210	$Event::DIED = sub {	316	$EV::DIED = sub {
211	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
212	};	318	};
213		319
214	#############################################################################	320	#############################################################################
215		321
216	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	345	$d
240	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
241	}	347	}
242		348
243	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
244		350
245	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
246		352
247	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
248		354
249	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
250		356
251	=cut	357	=cut
252		358
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		360
255	sub to_json ($) { $json_coder->encode ($_[0]) }	361	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
257		406
258	=item cf::lock_wait $string	407	=item cf::lock_wait $string
259		408
260	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
261		410
262	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
263		412
264	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
267	returned.	416	returned.
268		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
269	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
271		423
272	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
273		425
274	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
275		427
276	=cut	428	=cut
277		429
278	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
279		431
280	sub lock_wait($) {	432	sub lock_wait($) {
281	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	434	}
289		435
290	sub lock_acquire($) {	436	sub lock_acquire($) {
291	my ($key) = @_;	437	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	438	}
303		439
304	sub lock_active($) {	440	sub lock_active($) {
305	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	442	}
309		443
310	sub freeze_mainloop {	444	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
312		446
313	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
315	};	514	}
316	$TICK_WATCHER->stop;	515	};
317	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
318	}	530	}
319		531
320	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
321		533
322	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		539
328	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
329		541
330	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
331		543
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	544	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	545	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	547	acceptable.
336		548
337	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	554	=cut
343		555
344	sub sync_job(&) {	556	sub sync_job(&) {
345	my ($job) = @_;	557	my ($job) = @_;
346		558
347	if ($Coro::current == $Coro::main) {	559	if (in_main) {
348	my $time = Event::time;	560	my $time = AE::time;
349		561
350	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
352		564
353	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	566
355	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
356		568
357	my $busy = 1;	569	my $busy = 1;
358	my @res;	570	my @res;
359		571
360	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	574	@res = eval { $job->() };
362	warn $@ if $@;	575	error $@ if $@;
363	undef $busy;	576	undef $busy;
364	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
365		578
366	while ($busy) {	579	while ($busy) {
367	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
368	}	584	}
		585	}
369		586
370	$time = Event::time - $time;	587	my $time = AE::time - $time;
371		588
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	589	$TICK_START += $time; # do not account sync jobs to server load
376		590
377	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
378	} else {	592	} else {
379	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
380		594
…		…
400	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
401		615
402	$coro	616	$coro
403	}	617	}
404		618
405	=item fork_call { }, $args	619	=item fork_call { }, @args
406		620
407	Executes the given code block with the given arguments in a seperate	621	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	622	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	623	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	624	never block itself or use any form of event handling.
411		625
412	=cut	626	=cut
		627
		628	sub post_fork {
		629	reset_signals;
		630	}
413		631
414	sub fork_call(&@) {	632	sub fork_call(&@) {
415	my ($cb, @args) = @_;	633	my ($cb, @args) = @_;
416		634
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	635	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	636	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	637	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		638
422	if (my $pid = fork) {	639	my @res = Coro::Util::fork_eval {
423	close $fh2;	640	cf::post_fork;
		641	&$cb
		642	} @args;
424		643
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	644	wantarray ? @res : $res[-1]
426	warn "pst<$res>" unless $res =~ /^pst/;	645	}
427	$res = Coro::Storable::thaw $res;
428		646
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	647	sub objinfo {
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442
443	my @res = eval { $cb->(@args) };
444
445	open my $fh, ">", \my $buf
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
460	}	683	}
461		684
462	=item $value = cf::db_get $family => $key	685	=item $value = cf::db_get $family => $key
463		686
464	Returns a single value from the environment database.	687	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	689	=item cf::db_put $family => $key => $value
467		690
468	Stores the given C<$value> in the family. It can currently store binary	691	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
471	=cut	699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
472		720
473	our $DB;	721	our $DB;
474		722
475	sub db_init {	723	sub db_init {
476	unless ($DB) {	724	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	725	}
491		726
492	sub db_get($$) {	727	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	728	my $key = "$_[0]/$_[1]";
494		729
495	cf::sync_job {	730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
496	BDB::db_get $DB, undef, $key, my $data;	733	BDB::db_get $DB, undef, $key, my $data;
497		734
498	$! ? ()	735	$! ? ()
499	: $data	736	: $data
500	}
501	}	737	}
502		738
503	sub db_put($$$) {	739	sub db_put($$$) {
504	BDB::dbreq_pri 4;	740	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
544	if (1) {	780	if (1) {
545	$md5 =	781	$md5 =
546	join "\x00",	782	join "\x00",
547	$processversion,	783	$processversion,
548	map {	784	map {
549	Coro::cede;	785	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	786	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	787	} 0.. $#$src;
552		788
553		789
554	my $dbmd5 = db_get cache => "$id/md5";	790	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		797
562	my $t1 = Time::HiRes::time;	798	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	799	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	800	my $t2 = Time::HiRes::time;
565		801
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		803
568	db_put cache => "$id/data", $data;	804	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	805	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	806	db_put cache => "$id/meta", $meta;
571		807
…		…
581		817
582	=cut	818	=cut
583		819
584	sub datalog($@) {	820	sub datalog($@) {
585	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	823	}
588		824
589	=back	825	=back
590		826
591	=cut	827	=cut
592		828
593	#############################################################################	829	#############################################################################
594		830
595	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
596		832
597	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
600		836
601	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	839	Deliantra).
604		840
605	=over 4	841	=over 4
606		842
607	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
608		844
…		…
652	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
653		889
654	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
656		892
657	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
659		895
660	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
661		897
662	=over 4	898	=over 4
…		…
786		1022
787	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		1025
790	} elsif (ref $type) {	1026	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
792		1028
793	} else {	1029	} else {
794	shift @arg;	1030	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
796	}	1032	}
797	}	1033	}
798	}	1034	}
799		1035
800	sub _object_attach {	1036	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
811	}	1047	}
812		1048
813	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
814	} else {	1050	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1052	}
817		1053
818	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
819	}	1055	}
820		1056
…		…
860	";	1096	";
861	die if $@;	1097	die if $@;
862	}	1098	}
863		1099
864	our $override;	1100	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1102
867	sub override {	1103	sub override {
868	$override = 1;	1104	$override = 1;
869	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
870	}	1106	}
871		1107
872	sub do_invoke {	1108	sub do_invoke {
873	my $event = shift;	1109	my $event = shift;
874	my $callbacks = shift;	1110	my $callbacks = shift;
875		1111
876	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
877		1113
878	local $override;	1114	local $override;
879		1115
880	for (@$callbacks) {	1116	for (@$callbacks) {
881	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
882		1118
883	if ($@) {	1119	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1121	override;
887	}	1122	}
888		1123
889	return 1 if $override;	1124	return 1 if $override;
890	}	1125	}
891		1126
892	0	1127	0
893	}	1128	}
894		1129
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1131
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1133
899	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
900		1135
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1139
905	=back	1140	=back
906		1141
907	=cut	1142	=cut
908		1143
909	#############################################################################	1144	#############################################################################
910	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
911		1188
912	sub reattach {	1189	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1191	my ($obj) = @_;
915		1192
		1193	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1195
918	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
919		1197
920	@$registry = ();	1198	@$registry = ();
921		1199
…		…
926	for (@$attach) {	1204	for (@$attach) {
927	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
929	}	1207	}
930	} else {	1208	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1210	}
933	}	1211	}
934	}	1212	}
935		1213
936	cf::attachable->attach (	1214	cf::attachable->attach (
937	prio => -1000000,	1215	prio => -1000000,
938	on_instantiate => sub {	1216	on_instantiate => sub {
939	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
940		1218
941	$data = from_json $data;	1219	$data = decode_json $data;
942		1220
943	for (@$data) {	1221	for (@$data) {
944	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
945		1223
946	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1240	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
964		1242
965	sync_job {	1243	sync_job {
966	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
969		1249
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
974	close $fh;	1257	aio_close $fh;
975		1258
976	if (@$objs) {	1259	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
982	close $fh;	1268	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
984	}	1270	}
985	} else {	1271	} else {
986	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
987	}	1273	}
988		1274
989	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1279	} else {
991	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
992	}	1281	}
993	} else {	1282	} else {
994	aio_unlink $filename;	1283	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
996	}	1285	}
997	}	1286	};
998	}	1287	}
999		1288
1000	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
1002		1291
…		…
1014	or return;	1303	or return;
1015		1304
1016	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1307	or return;
		1308
1019	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
1020	}	1311	}
1021		1312
		1313	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
1024	return ($data, $av);	1318	($data, $av)
1025	}	1319	}
1026		1320
1027	=head2 COMMAND CALLBACKS	1321	=head2 COMMAND CALLBACKS
1028		1322
1029	=over 4	1323	=over 4
…		…
1083	my ($name, $cb) = @_;	1377	my ($name, $cb) = @_;
1084		1378
1085	$EXTICMD{$name} = $cb;	1379	$EXTICMD{$name} = $cb;
1086	}	1380	}
1087		1381
		1382	use File::Glob ();
		1383
1088	cf::player->attach (	1384	cf::player->attach (
1089	on_command => sub {	1385	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
1091		1387
1092	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
1093	or return;	1389	or return;
1094		1390
…		…
1102	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
1103		1399
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1401
1106	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
1112	} else {	1417	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1419	}
1115		1420
1116	cf::override;	1421	cf::override;
1117	},	1422	},
1118	);	1423	);
1119		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
1120	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
1121	cf::sync_job {	1441	cf::sync_job {
1122	my %todo;	1442	my %todo;
1123		1443
1124	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1445	next unless -r $path;
…		…
1143		1463
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1466
1147	$ext{source} =	1467	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
1150	. $source	1470	. $source
1151	. "\n};\n1";	1471	. "\n};\n1";
1152		1472
1153	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
1154	}	1474	}
1155		1475
		1476	my $pass = 0;
1156	my %done;	1477	my %done;
1157	while (%todo) {	1478	while (%todo) {
1158	my $progress;	1479	my $progress;
1159		1480
		1481	++$pass;
		1482
		1483	ext:
1160	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1486	next ext
1163	unless exists $done{$_};	1487	unless exists $done{$_};
1164	}	1488	}
1165		1489
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1491
1168	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1173	warn $msg;	1499
1174	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1501	delete $todo{$k};
1176	}	1502	} else {
1177		1503	$done{$k} = delete $todo{$k};
1178	warn $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1179	}	1509	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1510	}
1185		1511
1186	skip:	1512	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1189	}	1520	}
1190	};	1521	};
1191	}	1522	}
1192		1523
1193	#############################################################################	1524	#############################################################################
1194		1525
1195	=back	1526	=back
1196		1527
1197	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1198		1529
1199	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1200		1531
1201	=cut	1532	=cut
1202		1533
1203	package cf::player;	1534	package cf::player;
1204		1535
1205	use Coro::AIO;	1536	use Coro::AIO;
1206		1537
1207	=head3 cf::player	1538	=head3 cf::player
1208		1539
1209	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1210		1555
1211	=item cf::player::find $login	1556	=item cf::player::find $login
1212		1557
1213	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1214		1559
…		…
1233		1578
1234	sub exists($) {	1579	sub exists($) {
1235	my ($login) = @_;	1580	my ($login) = @_;
1236		1581
1237	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1239	}	1584	}
1240		1585
1241	sub find($) {	1586	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1588	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1599
1255	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1258	}	1609	}
1259	}	1610	}
1260	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1261		1625
1262	sub save($) {	1626	sub save($) {
1263	my ($pl) = @_;	1627	my ($pl) = @_;
1264		1628
1265	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1271		1635
1272	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1274		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1275	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1276	Coro::cede;	1645	cf::cede_to_tick;
1277	}	1646	}
1278		1647
1279	sub new($) {	1648	sub new($) {
1280	my ($login) = @_;	1649	my ($login) = @_;
1281		1650
…		…
1287	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1288		1657
1289	$self	1658	$self
1290	}	1659	}
1291		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1292	=item $pl->quit_character	1671	=item $pl->quit_character
1293		1672
1294	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1296		1675
…		…
1300	my ($pl) = @_;	1679	my ($pl) = @_;
1301		1680
1302	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1303		1682
1304	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1685
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1310	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1311		1694
1312	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1314	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1349	or return [];	1732	or return [];
1350		1733
1351	my @logins;	1734	my @logins;
1352		1735
1353	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1357		1746
1358	utf8::decode $login;	1747	utf8::decode $login;
1359	push @logins, $login;	1748	push @logins, $login;
1360	}	1749	}
1361		1750
1362	\@logins	1751	\@logins
1363	}	1752	}
1364		1753
1365	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1366		1757
1367	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1368	player. May block.	1759	player. May block.
1369		1760
1370	=cut	1761	=cut
…		…
1388	}	1779	}
1389		1780
1390	\@paths	1781	\@paths
1391	}	1782	}
1392		1783
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1785
1395	Expand crossfire pod fragments into protocol xml.	1786	Expand deliantra pod fragments into protocol xml.
1396		1787
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1444		1789
1445	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1446		1791
1447	=cut	1792	=cut
1448		1793
1449	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1451		1796
1452	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1798	}
1455		1799
1456	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1457		1801
1458	Sends an ext event to the client.	1802	Sends an ext event to the client.
1459		1803
1460	=cut	1804	=cut
1461		1805
1462	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1464		1808
1465	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1466	}	1810	}
1467		1811
1468	=head3 cf::region	1812	=head3 cf::region
1469		1813
1470	=over 4	1814	=over 4
…		…
1480	=cut	1824	=cut
1481		1825
1482	sub find_by_path($) {	1826	sub find_by_path($) {
1483	my ($path) = @_;	1827	my ($path) = @_;
1484		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1485	my ($match, $specificity);	1831	my ($match, $specificity);
1486		1832
1487	for my $region (list) {	1833	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1491	}	1837	}
1492	}	1838	}
1493		1839
…		…
1514	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1516		1862
1517	sub generate_random_map {	1863	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1519	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1520	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1529	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1531	(cf::region::find $rmp->{region}), $rmp->{custom}
1532	)
1533	}	1869	}
1534		1870
1535	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1536		1872
1537	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1542		1878
1543	sub register {	1879	sub register {
1544	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	1881	my $pkg = caller;
1546		1882
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		1884
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1886	}
1552		1887
1553	# also paths starting with '/'	1888	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1890
1556	sub thawer_merge {	1891	sub thawer_merge {
1557	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1558		1893
1559	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1564	}	1899	}
1565		1900
1566	sub normalise {	1901	sub normalise {
1567	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1568		1903
1569	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1570		1905
1571	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1572		1907
1573	# map plan:	1908	# map plan:
1574	#	1909	#
…		…
1589	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1590	$path = "$base/$path";	1925	$path = "$base/$path";
1591	}	1926	}
1592		1927
1593	for ($path) {	1928	for ($path) {
1594	redo if s{//}{/};
1595	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1596	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1597	}	1931	}
1598		1932
1599	$path	1933	$path
…		…
1613	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1614	return $self;	1948	return $self;
1615	}	1949	}
1616	}	1950	}
1617		1951
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	1953	()
1620	}	1954	}
1621		1955
1622	sub init {	1956	sub init {
1623	my ($self) = @_;	1957	my ($self) = @_;
…		…
1645		1979
1646	# the temporary/swap location	1980	# the temporary/swap location
1647	sub save_path {	1981	sub save_path {
1648	my ($self) = @_;	1982	my ($self) = @_;
1649		1983
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1652	}	1986	}
1653		1987
1654	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1655	sub uniq_path {	1989	sub uniq_path {
1656	my ($self) = @_;	1990	my ($self) = @_;
1657		1991
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1994	}
1670		1995
1671	sub decay_objects {	1996	sub decay_objects {
1672	my ($self) = @_;	1997	my ($self) = @_;
1673		1998
…		…
1686		2011
1687	sub load_header_from($) {	2012	sub load_header_from($) {
1688	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1689		2014
1690	utf8::encode $path;	2015	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1696		2024
1697	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1698		2026
1699	1	2027	1
1700	}	2028	}
…		…
1752		2080
1753	sub find;	2081	sub find;
1754	sub find {	2082	sub find {
1755	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1756		2084
		2085	cf::cede_to_tick;
		2086
1757	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1758		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2091
1761	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1764	or return;	2094	or return;
1765		2095
1766	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1767		2097
…		…
1769	or return;	2099	or return;
1770		2100
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1774	$map->reset;	2106	$map->reset;
1775	undef $guard;
1776	return find $path;	2107	return find $path;
1777	}	2108	}
1778		2109
1779	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1780	}	2111	}
1781	}	2112	}
1782		2113
1783	sub pre_load { }	2114	sub pre_load { }
1784	sub post_load { }	2115	#sub post_load { } # XS
1785		2116
1786	sub load {	2117	sub load {
1787	my ($self) = @_;	2118	my ($self) = @_;
1788		2119
1789	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1790		2121
1791	my $path = $self->{path};	2122	my $path = $self->{path};
1792		2123
1793	{	2124	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1795		2126
		2127	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2129
1798	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1799		2131
1800	$self->alloc;	2132	$self->alloc;
1801		2133
1802	$self->pre_load;	2134	$self->pre_load;
1803	Coro::cede;	2135	cf::cede_to_tick;
1804		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1806	or return;	2140	or return;
1807		2141
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1809	if delete $self->{load_original};	2143	if delete $self->{load_original};
1810		2144
1811	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2146	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2149	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1816	}	2153	}
1817	}	2154	}
1818		2155
1819	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1820	# now do the right thing for maps	2159	# now do the right thing for maps
1821	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2162	unless $self->difficulty;
1824	Coro::cede;	2163	cf::cede_to_tick;
1825		2164
1826	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2166	$self->decay_objects;
1828	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1829	$self->update_buttons;	2168	$self->update_buttons;
1830	Coro::cede;	2169	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2170	$self->activate;
1834	}	2171	}
1835		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2177	}
1838		2178
1839	$self->post_load;	2179	$self->post_load;
1840	}
1841		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2187	sub customise_for {
1843	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1844		2189
1845	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2191	if $self->per_player;
…		…
1850		2195
1851	$self	2196	$self
1852	}	2197	}
1853		2198
1854	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2200	sub load_neighbours {
1856	my ($map) = @_;	2201	my ($map) = @_;
1857		2202
1858	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1859		2204
1860	for (0 .. 3) {	2205	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1862	or next;	2207	or next;
1863	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1864	or next;	2209	or next;
1865	$neigh->load;	2210	$neigh->load;
1866		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2216	}
1870		2217
1871	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1873	or next;	2221	or next;
1874	$neigh->load;	2222	$neigh->load;
1875	}	2223	}
1876	}	2224	}
1877		2225
1878	sub find_sync {	2226	sub find_sync {
1879	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1880		2228
1881	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1882	}	2233	}
1883		2234
1884	sub do_load_sync {	2235	sub do_load_sync {
1885	my ($map) = @_;	2236	my ($map) = @_;
1886		2237
1887	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1888	}	2242	}
1889		2243
1890	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1892		2246
1893	sub find_async {	2247	sub find_async {
1894	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1895		2249
1896	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1897		2251
1898	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2254	}
1901		2255
1902	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1903	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1904	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2263	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2264	$map->load if $v;
		2265	}
1909		2266
1910	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1911	}	2268	}
1912	}	2269	}
1913	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1914	};	2271	};
1915	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1916		2273
1917	()	2274	()
1918	}	2275	}
1919		2276
		2277	# common code, used by both ->save and ->swapout
1920	sub save {	2278	sub _save {
1921	my ($self) = @_;	2279	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2280
1925	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1926		2282
1927	return unless $self->dirty;	2283	return unless $self->dirty;
1928		2284
…		…
1934	return if $self->{deny_save};	2290	return if $self->{deny_save};
1935		2291
1936	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1937		2293
1938	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1940	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1941		2300
1942	if ($uniq) {	2301	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2304	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2306	}
1948	}	2307	}
1949		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1950	sub swap_out {	2317	sub swap_out {
1951	my ($self) = @_;	2318	my ($self) = @_;
1952		2319
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1958	return if $self->players;	2324	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1962	$self->clear;	2335	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2336	}
1965		2337
1966	sub reset_at {	2338	sub reset_at {
1967	my ($self) = @_;	2339	my ($self) = @_;
1968		2340
…		…
1986		2358
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2360
1989	return if $self->players;	2361	return if $self->players;
1990		2362
1991	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
1992		2364
1993	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1994		2366
1995	# need to save uniques path	2367	# need to save uniques path
1996	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2372	if $uniq;
2001	}	2373	}
2002		2374
2003	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
2004		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2379	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2380
2009	$self->unlink_save;	2381	$self->unlink_save;
2010	$self->destroy;	2382	$self->destroy;
2011	}	2383	}
2012		2384
2013	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
2014		2386
2015	sub nuke {	2387	sub nuke {
2016	my ($self) = @_;	2388	my ($self) = @_;
2017		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
2018	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
2019		2394
2020	$self->unlink_save;	2395	$self->unlink_save;
2021		2396
2022	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2402
2028	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
2029		2405
2030	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
2031	}	2407	}
2032		2408
2033	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
2075		2451
2076	sub unique_maps() {	2452	sub unique_maps() {
2077	[	2453	[
2078	map {	2454	map {
2079	utf8::decode $_;	2455	utf8::decode $_;
2080	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
2081	? normalise $_	2459	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2461	]
2085	}	2462	}
2086		2463
2087	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
2088		2495
2089	=back	2496	=back
2090		2497
2091	=head3 cf::object	2498	=head3 cf::object
2092		2499
…		…
2096		2503
2097	=over 4	2504	=over 4
2098		2505
2099	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
2100		2507
2101	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
2102		2510
2103	=cut	2511	=cut
2104		2512
2105	sub inv_recursive_;	2513	sub inv_recursive_;
2106	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
2109		2517
2110	sub inv_recursive {	2518	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
2112	}	2520	}
2113		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
2114	package cf;	2550	package cf;
2115		2551
2116	=back	2552	=back
2117		2553
2118	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
2127		2563
2128	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
2129		2579
2130	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2581	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
2140		2590
2141	} else {	2591	} else {
2142	my $pl = $self->contr;	2592	my $pl = $self->contr;
2143		2593
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2595	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2597
2153	} else {	2598	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2601	}
2157	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
2158	}	2613	}
2159		2614
2160	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
2161		2616
2162	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
2175		2630
2176	=item $player_object->enter_link	2631	=item $player_object->enter_link
2177		2632
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2634
2180	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
2182		2639
2183	Will never block.	2640	Will never block.
2184		2641
2185	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
2186		2643
…		…
2206	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2664	my ($self) = @_;
2208		2665
2209	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
2210		2667
		2668	++$self->{_link_recursion};
		2669
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2671
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
2215		2674
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2676	}
2218		2677
2219	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
2221		2680
…		…
2238	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2240		2699
2241	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2244		2703
2245	$map->load;	2704	$map->load;
2246	$map->load_diag;	2705	$map->load_neighbours;
2247		2706
2248	return unless $self->contr->active;	2707	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2708
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2253	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2254		2716
		2717	}
		2718
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2720
2257	Moves the player to the given map-path and coordinates by first freezing	2721	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2722	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2723	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
2261		2729
2262	=cut	2730	=cut
2263		2731
2264	our $GOTOGEN;	2732	our $GOTOGEN;
2265		2733
2266	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
2268		2742
2269	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2745
2272	$self->enter_link;	2746	$self->enter_link;
2273		2747
2274	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2275	my $map = eval {	2770	my $map = eval {
2276	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2277		2772
2278	if ($map) {	2773	if ($map) {
2279	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2776	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2778	}
2284		2779
2285	$map	2780	$map
2286	};	2781	};
2287		2782
…		…
2292		2787
2293	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2296	}	2791	}
		2792
		2793	$done->($self) if $done;
2297	})->prio (1);	2794	})->prio (1);
2298	}	2795	}
2299		2796
2300	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2301		2798
…		…
2321	}	2818	}
2322		2819
2323	sub prepare_random_map {	2820	sub prepare_random_map {
2324	my ($exit) = @_;	2821	my ($exit) = @_;
2325		2822
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2825	# that depends on the exit object
2331		2826
2332	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2829	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2339	}	2836	}
2340		2837
2341	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2342		2839
2343	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2346		2843
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2846	undef $fh;
2350	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2351		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2354	}	2855	}
2355	}	2856	}
2356		2857
2357	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2359		2860
2360	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2361		2862
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2863	$self->enter_link;
2374		2864
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2865	(async {
2380	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2381	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2382	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2383		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2384	1;	2889	1
2385	}) {	2890	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2895
2391	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2897	$self->leave_link;
2393	}	2898	}
2394	})->prio (1);	2899	})->prio (1);
2395	}	2900	}
2396		2901
…		…
2410		2915
2411	utf8::encode $text;	2916	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2918	}
2414		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2946
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2947	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2948	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2949	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2950	the message unless the client supports the msg packet.
2421		2951
2422	=cut	2952	=cut
2423		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
2424	sub cf::client::send_msg {	3068	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3069	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3070
2427	$msg = $self->pl->expand_cfpod ($msg);	3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
2428		3092
2429	return unless @extra || length $msg;	3093	return unless @extra || length $msg;
2430		3094
2431	if ($self->can_msg) {	3095	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3097	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3098
2444	if ($color >= 0) {	3099	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3100	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3102	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2455	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2456		3108
2457	Sends an ext event to the client.	3109	Sends an ext event to the client.
2458		3110
2459	=cut	3111	=cut
2460		3112
2461	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2463		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2466	}	3140	}
2467		3141
2468	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2469		3143
2470	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3199	my ($ns, $buf) = @_;
2526		3200
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3202
2529	if (ref $msg) {	3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3211	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3212	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
2536	} else {	3218	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3220	}
2539		3221
2540	cf::override;	3222	cf::override;
2541	},	3223	},
2542	);	3224	);
…		…
2562		3244
2563	$coro	3245	$coro
2564	}	3246	}
2565		3247
2566	cf::client->attach (	3248	cf::client->attach (
2567	on_destroy => sub {	3249	on_client_destroy => sub {
2568	my ($ns) = @_;	3250	my ($ns) = @_;
2569		3251
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3253	},
2572	);	3254	);
…		…
2587	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2589		3271
2590	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2591		3273
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2593		3279
2594	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2595		3281
2596	=pod	3282	=pod
2597		3283
2598	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2599		3285
2600	cf::object	3286	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3287	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3288	insert remove name archname title slaying race decrease split
		3289	value
2603		3290
2604	cf::object::player	3291	cf::object::player
2605	player	3292	player
2606		3293
2607	cf::player	3294	cf::player
…		…
2612		3299
2613	=cut	3300	=cut
2614		3301
2615	for (	3302	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2621	) {	3309	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3312	for @funs;
2626	}	3313	}
2627		3314
…		…
2642		3329
2643	my $qcode = $code;	3330	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2646		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2647	local $_;	3337	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3338
2650	my $eval =	3339	my $eval =
2651	"do {\n"	3340	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3343	. $code
2655	. "\n}"	3344	. "\n}"
2656	;	3345	;
2657		3346
		3347	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2661		3356
2662	if ($@) {	3357	if ($@) {
2663	warn "$@";	3358	warn "$@",
2664	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2666	}	3361	}
2667		3362
2668	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2669	}	3364	}
2670		3365
…		…
2684	=cut	3379	=cut
2685		3380
2686	sub register_script_function {	3381	sub register_script_function {
2687	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2688		3383
2689	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2691	}	3386	}
2692		3387
2693	=back	3388	=back
2694		3389
2695	=cut	3390	=cut
…		…
2698	# the server's init and main functions	3393	# the server's init and main functions
2699		3394
2700	sub load_facedata($) {	3395	sub load_facedata($) {
2701	my ($path) = @_;	3396	my ($path) = @_;
2702		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2703	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2704		3405
2705	my $facedata;
2706	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2707	or die "$path: $!";	3407	or die "$path: $!";
2708		3408
2709	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2710		3410
2711	$facedata->{version} == 2	3411	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2714	{	3423	{
2715	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2716		3425
2717	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2723	}	3436	}
2724		3437
2725	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2727	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2728	or next;	3442	or next;
		3443
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3447	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3449	}
2734	Coro::cede;	3450
		3451	cf::cede_to_tick;
2735	}	3452	}
2736	}	3453	}
2737		3454
2738	{	3455	{
2739	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2740		3457
2741	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3460	cf::cede_to_tick;
2744	}	3461	}
2745		3462
2746	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2747	}	3464	}
2748		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2749	1	3485	1
2750	}	3486	}
2751		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2752	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2753	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2755	}	3518	}
2756		3519
2757	sub reload_facedata {	3520	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
2760	}	3523	}
2761		3524
2762	sub reload_archetypes {	3525	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3526	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3527	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3528	}
2771		3529
2772	sub reload_treasures {	3530	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2775	}	3533	}
2776		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2777	sub reload_resources {	3558	sub reload_resources {
2778	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2779		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2780	reload_regions;	3566	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3567	reload_treasures;
2785		3568
2786	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2787	}	3570	}
2788		3571
2789	sub init {	3572	sub reload_config {
2790	reload_resources;	3573	trace "reloading config file...\n";
2791	}
2792		3574
2793	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2795	or return;
2796		3577
2797	local $/;	3578	utf8::decode $config;
2798	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2799		3580
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3582
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3585
2805	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2809	};	3590	};
2810	warn $@ if $@;	3591	warn $@ if $@;
2811	}	3592	}
2812	}	3593	}
2813		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2814	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2815	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3636	(async {
2819	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2821	};	3640	};
2822		3641
2823	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2824	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2825	load_extensions;	3665	load_extensions;
2826		3666
2827	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2829	}	3685	}
2830		3686
2831	#############################################################################	3687	#############################################################################
2832	# initialisation and cleanup	3688	# initialisation and cleanup
2833		3689
2834	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2835	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2844	},
2845	);	3696	};
2846	}	3697	}
2847	}	3698	}
2848		3699
2849	sub write_runtime {	3700	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3701	my $t0 = AE::time;
2851		3702
2852	# first touch the runtime file to show we are still running:	3703	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3704	# the fsync below can take a very very long time.
2854		3705
2855	IO::AIO::aio_utime $runtime, undef, undef;	3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3707
2857	my $guard = cf::lock_acquire "write_runtime";	3708	my $guard = cf::lock_acquire "write_runtime";
2858		3709
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3711	or return;
2861		3712
2862	my $value = $cf::RUNTIME + 90 + 10;	3713	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3714	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3715	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3725	aio_utime $fh, undef, undef;
2875		3726
2876	close $fh	3727	close $fh
2877	or return;	3728	or return;
2878		3729
2879	aio_rename "$runtime~", $runtime	3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3731	and return;
2881		3732
2882	warn "runtime file written.\n";	3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3734
2884	1	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2885	}	3786	}
2886		3787
2887	sub emergency_save() {	3788	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2889		3790
2890	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2891		3797
2892	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2893	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3809	$pl->save;
2901	}	3810	}
2902	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2903		3812
2904	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3818	$map->valid or next;
2908	$map->save;	3819	$map->save;
2909	}	3820	}
2910	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2911		3822
2912	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2915	};	3851	};
2916		3852
2917	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2918	}	3854	}
2919		3855
2920	sub post_cleanup {	3856	sub post_cleanup {
2921	my ($make_core) = @_;	3857	my ($make_core) = @_;
2922		3858
		3859	IO::AIO::flush;
		3860
2923	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2925	}	3891	}
2926		3892
2927	sub do_reload_perl() {	3893	sub do_reload_perl() {
2928	# can/must only be called in main	3894	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2930	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2931	return;	3897	return;
2932	}	3898	}
2933		3899
2934	warn "reloading...";	3900	return if $RELOAD++;
2935		3901
2936	warn "entering sync_job";	3902	my $t1 = AE::time;
2937		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2938	cf::sync_job {	3910	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	3911	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		3912
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	3915	%EXT_CORO = ();
2967		3916
2968	warn "removing commands";	3917	trace "perl_reload: removing commands";
2969	%COMMAND = ();	3918	%COMMAND = ();
2970		3919
2971	warn "removing ext/exti commands";	3920	trace "perl_reload: removing ext/exti commands";
2972	%EXTCMD = ();	3921	%EXTCMD = ();
2973	%EXTICMD = ();	3922	%EXTICMD = ();
2974		3923
2975	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2978		3927
2979	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2980	eval {	3929	eval {
2981	$cb->($pkg);	3930	$cb->($pkg);
2982	1	3931	1
2983	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2984	}	3937	}
2985		3938
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3942
2994	warn "... unloading $k";	3943	trace "... unloading $k";
2995	delete $INC{$k};	3944	delete $INC{$k};
2996		3945
2997	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2999		3948
3000	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
3002	}	3954	}
3003		3955
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3959
3011	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3963
3015	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3965	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
3018		3967
3019	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
3020		3969
3021	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
3022	require cf;	3971	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
3024		3973
3025	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
3026	cf::cfg_load;	3975	cf::reload_config;
3027		3976
3028	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
3029	cf::load_extensions;	3978	cf::load_extensions;
3030		3979
		3980	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
3037		3988
3038	warn "leaving sync_job";	3989	cf::_post_init 1;
3039		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
3040	1	3993	1
3041	} or do {	3994	} or do {
3042	warn $@;	3995	error $@;
3043	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
3044	exit 1;	3997	};
		3998
		3999	--$RELOAD;
3045	};	4000	}
3046		4001
3047	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
3048	};	4004	};
3049		4005
3050	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
3051		4007
3052	sub reload_perl() {	4008	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
3055		4011
3056	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4014
3059	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4016	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
3063	},	4018	};
3064	);	4019	};
3065	}	4020	}
3066		4021
3067	register_command "reload" => sub {	4022	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
3069		4024
3070	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4029	reload_perl;
		4030	};
3073	}	4031	}
3074	};	4032	};
3075		4033
3076	unshift @INC, $LIBDIR;	4034	#############################################################################
3077		4035
3078	my $bug_warning = 0;	4036	my $bug_warning = 0;
3079		4037
3080	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
3082		4040
3083	sub wait_for_tick {	4041	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		4043
3087	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	4046	$signal->wait;
3090	}	4047	}
3091		4048
3092	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4051
3096	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4054	$signal->wait;
3099	}	4055	}
3100		4056
3101	my $min = 1e6;#d#	4057	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
3113	return;	4061	return;
3114	}	4062	}
3115		4063
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
3119		4065
3120	0 && sync_job {#d#	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		4067
3126	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4070	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4072	write_runtime_sync
3131		4073	or error "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4074	};
		4075	}
3142		4076
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4078	$sig->send;
3159	}	4079	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4081	$sig->send;
3162	}	4082	}
3163		4083
3164	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4086
3175	_post_tick;	4087	if (0) {
3176		4088	if ($NEXT_TICK) {
3177		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
3178	},	4093	}
3179	);	4094	}
3180		4095
3181	{	4096	{
3182	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4098
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
3192		4100	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4102
3208	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4110
3211	cf::sync_job {	4111	cf::sync_job {
3212	eval {	4112	eval {
3213	BDB::db_env_open	4113	BDB::db_env_open
3214	$DB_ENV,	4114	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4118	0666;
3219		4119
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4121	};
3225		4122
3226	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4124	};
3228	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3229	}	4136	}
3230		4137
3231	{	4138	{
		4139	# configure IO::AIO
		4140
3232	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4144	}
3245		4145
3246	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3247		4148
3248	sub _log_backtrace {	4149	sub _log_backtrace {
3249	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3250		4151
3251	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3252		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3253	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3255	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3256	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3257	my @bt = fork_call {	4165	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3269	}	4177	}
3270		4178
3271	@funcs	4179	@funcs
3272	};	4180	};
3273		4181
3274	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4185	--$_log_backtrace;
3277	};	4186	};
3278	} else {	4187	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3281	}	4190	}
3282	}	4191	}
3283		4192
3284	# load additional modules	4193	# load additional modules
3285	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3286		4196
3287	END { cf::emergency_save }	4197	END { cf::emergency_save }
3288		4198
3289	1	4199	1
3290		4200

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