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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.331 by root, Mon Aug 13 13:10:01 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
172	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
173		247
174	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	250	that call.
177		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
178	=back	258	=back
179		259
180	=cut	260	=cut
181		261
182	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	269	my $msg = join "", @_;
185		270
186	$msg .= "\n"	271	$msg .= "\n"
187	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
188		273
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		275
191	utf8::encode $msg;
192	LOG llevError, $msg;	276	LOG llevWarn, $msg;
193	};	277	};
194	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
195		292
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	303	for my $pkg (qw(
207	cf::global cf::attachable	304	cf::global cf::attachable
208	cf::object cf::object::player	305	cf::object cf::object::player
209	cf::client cf::player	306	cf::client cf::player
210	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
211	cf::map cf::party cf::region	309	cf::party cf::region
212	)) {	310	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	312	}
216		313
217	$Event::DIED = sub {	314	$EV::DIED = sub {
218	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
219	};	316	};
220		317
221	#############################################################################	318	#############################################################################
222		319
223	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	343	$d
247	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
248	}	345	}
249		346
250	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
251		348
252	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
253		350
254	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
255		352
256	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
257		354
258	=cut	355	=cut
259		356
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		358
262	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
264		404
265	=item cf::lock_wait $string	405	=item cf::lock_wait $string
266		406
267	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
268		408
269	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
270		410
271	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
274	returned.	414	returned.
275		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
276	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
278		421
279	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
280		423
281	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
282		425
283	=cut	426	=cut
284		427
285	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
286		429
287	sub lock_wait($) {	430	sub lock_wait($) {
288	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	432	}
296		433
297	sub lock_acquire($) {	434	sub lock_acquire($) {
298	my ($key) = @_;	435	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	436	}
310		437
311	sub lock_active($) {	438	sub lock_active($) {
312	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	440	}
316		441
317	sub freeze_mainloop {	442	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
319		444
320	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	446	}
322	};	447
323	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
324	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
325	}	461	}
326		462
327	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
328		464
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		473
338	=cut	474	=cut
339		475
340	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
342		479
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
345	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
346		486
347	while () {	487	while () {
348	next_job:	488	next_job:
		489
349	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	491
351	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	496	$job->[2]->send;
355	Coro::cede;	497	Coro::cede;
356	goto next_job;	498	goto next_job;
357	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	501	}
359	}	502	}
360		503
361	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	507	$signal->wait;
365	} else {	508	} else {
		509	$busy = 0;
366	Coro::schedule;	510	Coro::schedule;
367	}	511	}
368	}	512	}
369	};	513	};
370		514
371	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
372	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
373		519
374	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
375	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
376		523
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
390		537
391	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
392		539
393	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
394		541
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	545	acceptable.
399		546
400	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
405	=cut	552	=cut
406		553
407	sub sync_job(&) {	554	sub sync_job(&) {
408	my ($job) = @_;	555	my ($job) = @_;
409		556
410	if ($Coro::current == $Coro::main) {	557	if (in_main) {
411	my $time = Event::time;	558	my $time = AE::time;
412		559
413	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
415		562
416	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	564
418	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
419		566
420	my $busy = 1;	567	my $busy = 1;
421	my @res;	568	my @res;
422		569
423	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	572	@res = eval { $job->() };
425	warn $@ if $@;	573	error $@ if $@;
426	undef $busy;	574	undef $busy;
427	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
428		576
429	while ($busy) {	577	while ($busy) {
430	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
431	}	582	}
		583	}
432		584
433	$time = Event::time - $time;	585	my $time = AE::time - $time;
434		586
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
439		588
440	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
441	} else {	590	} else {
442	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
443		592
…		…
463	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
464		613
465	$coro	614	$coro
466	}	615	}
467		616
468	=item fork_call { }, $args	617	=item fork_call { }, @args
469		618
470	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
474		623
475	=cut	624	=cut
476		625
477	sub _store_scalar {	626	sub post_fork {
478	open my $fh, ">", \my $buf	627	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	628	}
485		629
486	sub fork_call(&@) {	630	sub fork_call(&@) {
487	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
488		632
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		636
494	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
495	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
496		641
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	643	}
499	$res = Coro::Storable::thaw $res;
500		644
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
528	}	681	}
529		682
530	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
531		684
532	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
535		688
536	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
539	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
540		718
541	our $DB;	719	our $DB;
542		720
543	sub db_init {	721	sub db_init {
544	unless ($DB) {	722	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	723	}
559		724
560	sub db_get($$) {	725	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
562		727
563	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
564	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
565		732
566	$! ? ()	733	$! ? ()
567	: $data	734	: $data
568	}
569	}	735	}
570		736
571	sub db_put($$$) {	737	sub db_put($$$) {
572	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
612	if (1) {	778	if (1) {
613	$md5 =	779	$md5 =
614	join "\x00",	780	join "\x00",
615	$processversion,	781	$processversion,
616	map {	782	map {
617	Coro::cede;	783	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	785	} 0.. $#$src;
620		786
621		787
622	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		795
630	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	797	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
633		799
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		801
636	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
639		805
…		…
649		815
650	=cut	816	=cut
651		817
652	sub datalog($@) {	818	sub datalog($@) {
653	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	821	}
656		822
657	=back	823	=back
658		824
659	=cut	825	=cut
660		826
661	#############################################################################	827	#############################################################################
662		828
663	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
664		830
665	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
668		834
669	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	837	Deliantra).
672		838
673	=over 4	839	=over 4
674		840
675	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
676		842
…		…
720	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
721		887
722	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
724		890
725	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
727		893
728	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
729		895
730	=over 4	896	=over 4
…		…
854		1020
855	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1023
858	} elsif (ref $type) {	1024	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
860		1026
861	} else {	1027	} else {
862	shift @arg;	1028	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
864	}	1030	}
865	}	1031	}
866	}	1032	}
867		1033
868	sub _object_attach {	1034	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
879	}	1045	}
880		1046
881	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
882	} else {	1048	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1050	}
885		1051
886	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
887	}	1053	}
888		1054
…		…
947		1113
948	for (@$callbacks) {	1114	for (@$callbacks) {
949	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
950		1116
951	if ($@) {	1117	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1119	override;
955	}	1120	}
956		1121
957	return 1 if $override;	1122	return 1 if $override;
958	}	1123	}
959		1124
960	0	1125	0
961	}	1126	}
962		1127
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1129
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1131
967	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
968		1133
…		…
974		1139
975	=cut	1140	=cut
976		1141
977	#############################################################################	1142	#############################################################################
978	# object support	1143	# object support
979	#
980		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
981	sub _can_merge {	1178	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
983		1180
984	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1182
988	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
989	}	1185	}
990		1186
991	sub reattach {	1187	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1189	my ($obj) = @_;
994		1190
		1191	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1193
997	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
998		1195
999	@$registry = ();	1196	@$registry = ();
1000		1197
…		…
1005	for (@$attach) {	1202	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
1008	}	1205	}
1009	} else {	1206	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1208	}
1012	}	1209	}
1013	}	1210	}
1014		1211
1015	cf::attachable->attach (	1212	cf::attachable->attach (
1016	prio => -1000000,	1213	prio => -1000000,
1017	on_instantiate => sub {	1214	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
1019		1216
1020	$data = from_json $data;	1217	$data = decode_json $data;
1021		1218
1022	for (@$data) {	1219	for (@$data) {
1023	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
1024		1221
1025	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1238	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1043		1240
1044	sync_job {	1241	sync_job {
1045	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1048		1247
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
1053	close $fh;	1255	aio_close $fh;
1054		1256
1055	if (@$objs) {	1257	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
1061	close $fh;	1266	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1268	}
1064	} else {	1269	} else {
1065	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1066	}	1271	}
1067		1272
1068	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1277	} else {
1070	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1071	}	1279	}
1072	} else {	1280	} else {
1073	aio_unlink $filename;	1281	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1075	}	1283	}
1076	}	1284	};
1077	}	1285	}
1078		1286
1079	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1081		1289
…		…
1093	or return;	1301	or return;
1094		1302
1095	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1305	or return;
		1306
1098	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1099	}	1309	}
1100		1310
		1311	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1103	return ($data, $av);	1316	($data, $av)
1104	}	1317	}
1105		1318
1106	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1107		1320
1108	=over 4	1321	=over 4
…		…
1162	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1163		1376
1164	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1165	}	1378	}
1166		1379
		1380	use File::Glob ();
		1381
1167	cf::player->attach (	1382	cf::player->attach (
1168	on_command => sub {	1383	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1170		1385
1171	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1172	or return;	1387	or return;
1173		1388
…		…
1186	my ($type, $reply, @payload) =	1401	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1402	"ARRAY" eq ref $msg
1188	? @$msg	1403	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1405
		1406	my @reply;
		1407
1191	if (my $cb = $EXTCMD{$type}) {	1408	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1409	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1197	} else {	1415	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1417	}
1200		1418
1201	cf::override;	1419	cf::override;
1202	},	1420	},
1203	);	1421	);
1204		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1205	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1206	cf::sync_job {	1439	cf::sync_job {
1207	my %todo;	1440	my %todo;
1208		1441
1209	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1443	next unless -r $path;
…		…
1228		1461
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1464
1232	$ext{source} =	1465	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1235	. $source	1468	. $source
1236	. "\n};\n1";	1469	. "\n};\n1";
1237		1470
1238	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1239	}	1472	}
1240		1473
		1474	my $pass = 0;
1241	my %done;	1475	my %done;
1242	while (%todo) {	1476	while (%todo) {
1243	my $progress;	1477	my $progress;
1244		1478
		1479	++$pass;
		1480
		1481	ext:
1245	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1484	next ext
1248	unless exists $done{$_};	1485	unless exists $done{$_};
1249	}	1486	}
1250		1487
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1489
1253	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1258	warn $msg;	1497
1259	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1499	delete $todo{$k};
1261	}	1500	} else {
1262		1501	$done{$k} = delete $todo{$k};
1263	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1264	}	1507	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1508	}
1270		1509
1271	skip:	1510	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1274	}	1518	}
1275	};	1519	};
1276	}	1520	}
1277		1521
1278	#############################################################################	1522	#############################################################################
1279		1523
1280	=back	1524	=back
1281		1525
1282	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1283		1527
1284	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1285		1529
1286	=cut	1530	=cut
1287		1531
1288	package cf::player;	1532	package cf::player;
1289		1533
1290	use Coro::AIO;	1534	use Coro::AIO;
1291		1535
1292	=head3 cf::player	1536	=head3 cf::player
1293		1537
1294	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1295		1553
1296	=item cf::player::find $login	1554	=item cf::player::find $login
1297		1555
1298	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1299		1557
…		…
1318		1576
1319	sub exists($) {	1577	sub exists($) {
1320	my ($login) = @_;	1578	my ($login) = @_;
1321		1579
1322	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1324	}	1582	}
1325		1583
1326	sub find($) {	1584	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1586	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1597
1340	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1343	}	1607	}
1344	}	1608	}
1345	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1346		1623
1347	sub save($) {	1624	sub save($) {
1348	my ($pl) = @_;	1625	my ($pl) = @_;
1349		1626
1350	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1356		1633
1357	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1359		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1360	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1361	Coro::cede;	1643	cf::cede_to_tick;
1362	}	1644	}
1363		1645
1364	sub new($) {	1646	sub new($) {
1365	my ($login) = @_;	1647	my ($login) = @_;
1366		1648
…		…
1395	my ($pl) = @_;	1677	my ($pl) = @_;
1396		1678
1397	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1398		1680
1399	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1400	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1401		1683
1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1403	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1405	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1406		1692
1407	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1408	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1409	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1444	or return [];	1730	or return [];
1445		1731
1446	my @logins;	1732	my @logins;
1447		1733
1448	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1452		1744
1453	utf8::decode $login;	1745	utf8::decode $login;
1454	push @logins, $login;	1746	push @logins, $login;
1455	}	1747	}
1456		1748
1457	\@logins	1749	\@logins
1458	}	1750	}
1459		1751
1460	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1461		1755
1462	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1463	player. May block.	1757	player. May block.
1464		1758
1465	=cut	1759	=cut
…		…
1483	}	1777	}
1484		1778
1485	\@paths	1779	\@paths
1486	}	1780	}
1487		1781
1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489		1783
1490	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1491
1492	=cut
1493
1494	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;
1496
1497	# escape & and <
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500
1501	# this is buggy, it needs to properly take care of nested <'s
1502
1503	1 while
1504	# replace B<>, I<>, U<> etc.
1505	s/B<([^\>]*)>/<b>$1<\/b>/
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
1508	# replace G<male|female> tags
1509	|| s{G<([^>|]*)\|([^>]*)>}{
1510	$self->gender ? $2 : $1
1511	}ge
1512	# replace H<hint text>
1513	|| s{H<([^\>]*)>}
1514	{
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")
1518	[$self->{hintmode}]
1519	}ge;
1520
1521	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;
1523
1524	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines
1529
1530	$_
1531	}
1532
1533	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}
1536	}
1537		1785
1538	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1539		1787
1540	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1541		1789
1542	=cut	1790	=cut
1543		1791
1544	sub ext_reply($$@) {	1792	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1793	my ($self, $id, @msg) = @_;
1546		1794
1547	if ($self->ns->extcmd == 2) {	1795	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1796	}
1555		1797
1556	=item $player->ext_msg ($type, @msg)	1798	=item $player->ext_msg ($type, @msg)
1557		1799
1558	Sends an ext event to the client.	1800	Sends an ext event to the client.
…		…
1579		1821
1580	=cut	1822	=cut
1581		1823
1582	sub find_by_path($) {	1824	sub find_by_path($) {
1583	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1584		1828
1585	my ($match, $specificity);	1829	my ($match, $specificity);
1586		1830
1587	for my $region (list) {	1831	for my $region (list) {
1588	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1614	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1616		1860
1617	sub generate_random_map {	1861	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1619	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1867	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1624	$rmp->{exit_on_final_map},
1625	$rmp->{xsize}, $rmp->{ysize},
1626	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1627	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1628	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1629	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1631	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1632	)	1870	)
1633	}	1871	}
1634		1872
1635	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1636		1874
…		…
1642		1880
1643	sub register {	1881	sub register {
1644	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1645	my $pkg = caller;	1883	my $pkg = caller;
1646		1884
1647	no strict;
1648	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1649		1886
1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1651	}	1888	}
1652		1889
1653	# also paths starting with '/'	1890	# also paths starting with '/'
1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1655		1892
1656	sub thawer_merge {	1893	sub thawer_merge {
1657	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1658		1895
1659	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
…		…
1664	}	1901	}
1665		1902
1666	sub normalise {	1903	sub normalise {
1667	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1668		1905
1669	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1670		1907
1671	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1672		1909
1673	# map plan:	1910	# map plan:
1674	#	1911	#
…		…
1689	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1690	$path = "$base/$path";	1927	$path = "$base/$path";
1691	}	1928	}
1692		1929
1693	for ($path) {	1930	for ($path) {
1694	redo if s{//}{/};
1695	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1696	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1697	}	1933	}
1698		1934
1699	$path	1935	$path
…		…
1713	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1714	return $self;	1950	return $self;
1715	}	1951	}
1716	}	1952	}
1717		1953
1718	Carp::cluck "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1719	()	1955	()
1720	}	1956	}
1721		1957
1722	sub init {	1958	sub init {
1723	my ($self) = @_;	1959	my ($self) = @_;
…		…
1745		1981
1746	# the temporary/swap location	1982	# the temporary/swap location
1747	sub save_path {	1983	sub save_path {
1748	my ($self) = @_;	1984	my ($self) = @_;
1749		1985
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1752	}	1988	}
1753		1989
1754	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1755	sub uniq_path {	1991	sub uniq_path {
1756	my ($self) = @_;	1992	my ($self) = @_;
1757		1993
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1760	}
1761
1762	# and all this just because we cannot iterate over
1763	# all maps in C++...
1764	sub change_all_map_light {
1765	my ($change) = @_;
1766
1767	$_->change_map_light ($change)
1768	for grep $_->outdoor, values %cf::MAP;
1769	}	1996	}
1770		1997
1771	sub decay_objects {	1998	sub decay_objects {
1772	my ($self) = @_;	1999	my ($self) = @_;
1773		2000
…		…
1786		2013
1787	sub load_header_from($) {	2014	sub load_header_from($) {
1788	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1789		2016
1790	utf8::encode $path;	2017	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1796		2026
1797	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1798		2028
1799	1	2029	1
1800	}	2030	}
…		…
1852		2082
1853	sub find;	2083	sub find;
1854	sub find {	2084	sub find {
1855	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1856		2086
		2087	cf::cede_to_tick;
		2088
1857	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1858		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1860		2093
1861	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1862	my $guard = cf::lock_acquire "map_find:$path";
1863	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1864	or return;	2096	or return;
1865		2097
1866	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1867		2099
…		…
1869	or return;	2101	or return;
1870		2102
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1874	$map->reset;	2108	$map->reset;
1875	undef $guard;
1876	return find $path;	2109	return find $path;
1877	}	2110	}
1878		2111
1879	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1880	}	2113	}
1881	}	2114	}
1882		2115
1883	sub pre_load { }	2116	sub pre_load { }
1884	sub post_load { }	2117	#sub post_load { } # XS
1885		2118
1886	sub load {	2119	sub load {
1887	my ($self) = @_;	2120	my ($self) = @_;
1888		2121
1889	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1890		2123
1891	my $path = $self->{path};	2124	my $path = $self->{path};
1892		2125
1893	{	2126	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1895		2128
		2129	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2131
1898	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1899		2133
1900	$self->alloc;	2134	$self->alloc;
1901		2135
1902	$self->pre_load;	2136	$self->pre_load;
1903	Coro::cede;	2137	cf::cede_to_tick;
1904		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1906	or return;	2142	or return;
1907		2143
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1909	if delete $self->{load_original};	2145	if delete $self->{load_original};
1910		2146
1911	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2148	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2151	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1916	}	2155	}
1917	}	2156	}
1918		2157
1919	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1920	# now do the right thing for maps	2161	# now do the right thing for maps
1921	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2164	unless $self->difficulty;
1924	Coro::cede;	2165	cf::cede_to_tick;
1925		2166
1926	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2168	$self->decay_objects;
1928	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1929	$self->update_buttons;	2170	$self->update_buttons;
1930	Coro::cede;	2171	cf::cede_to_tick;
1931	$self->set_darkness_map;
1932	Coro::cede;
1933	$self->activate;	2172	$self->activate;
1934	}	2173	}
1935		2174
1936	$self->{last_save} = $cf::RUNTIME;	2175	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2176	$self->last_access ($cf::RUNTIME);
1938		2177
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2179	}
1941		2180
1942	$self->post_load;	2181	$self->post_load;
1943	}
1944		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1945	sub customise_for {	2189	sub customise_for {
1946	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1947		2191
1948	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1949	if $self->per_player;	2193	if $self->per_player;
…		…
1953		2197
1954	$self	2198	$self
1955	}	2199	}
1956		2200
1957	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2202	sub load_neighbours {
1959	my ($map) = @_;	2203	my ($map) = @_;
1960		2204
1961	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1962		2206
1963	for (0 .. 3) {	2207	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1965	or next;	2209	or next;
1966	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1967	or next;	2211	or next;
1968	$neigh->load;	2212	$neigh->load;
1969		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2218	}
1973		2219
1974	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1976	or next;	2223	or next;
1977	$neigh->load;	2224	$neigh->load;
1978	}	2225	}
1979	}	2226	}
1980		2227
1981	sub find_sync {	2228	sub find_sync {
1982	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1983		2230
1984	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1985	}	2235	}
1986		2236
1987	sub do_load_sync {	2237	sub do_load_sync {
1988	my ($map) = @_;	2238	my ($map) = @_;
1989		2239
1990	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1991	}	2244	}
1992		2245
1993	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1995		2248
1996	sub find_async {	2249	sub find_async {
1997	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1998		2251
1999	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
2000		2253
2001	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2256	}
2004		2257
2005	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
2006	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
2007	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2265	if (my $map = find $k) {
2010	$map->load;	2266	$map->load if $v;
2011	}	2267	}
2012		2268
2013	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
2014	}	2270	}
2015	}	2271	}
2016	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
2017	};	2273	};
2018	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
2019		2275
2020	()	2276	()
2021	}	2277	}
2022		2278
		2279	# common code, used by both ->save and ->swapout
2023	sub save {	2280	sub _save {
2024	my ($self) = @_;	2281	my ($self) = @_;
2025
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;
2027		2282
2028	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2029		2284
2030	return unless $self->dirty;	2285	return unless $self->dirty;
2031		2286
…		…
2037	return if $self->{deny_save};	2292	return if $self->{deny_save};
2038		2293
2039	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
2040		2295
2041	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
2043	};	2299	};
		2300
		2301	cf::get_slot 0.02;
2044		2302
2045	if ($uniq) {	2303	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2306	} else {
2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2050	}	2308	}
2051	}	2309	}
2052		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
2053	sub swap_out {	2319	sub swap_out {
2054	my ($self) = @_;	2320	my ($self) = @_;
2055		2321
2056	# save first because save cedes
2057	$self->save;
2058
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
2061	return if $self->players;	2326	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;
2063	return if $self->{deny_save};
2064		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
2065	$self->clear;	2337	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2338	}
2068		2339
2069	sub reset_at {	2340	sub reset_at {
2070	my ($self) = @_;	2341	my ($self) = @_;
2071		2342
…		…
2089		2360
2090	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
2091		2362
2092	return if $self->players;	2363	return if $self->players;
2093		2364
2094	warn "resetting map ", $self->path;	2365	cf::trace "resetting map ", $self->path, "\n";
2095		2366
2096	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
2097		2368
2098	# need to save uniques path	2369	# need to save uniques path
2099	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
2103	if $uniq;	2374	if $uniq;
2104	}	2375	}
2105		2376
2106	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
2107		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2381	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2382
2112	$self->unlink_save;	2383	$self->unlink_save;
2113	$self->destroy;	2384	$self->destroy;
2114	}	2385	}
2115		2386
2116	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
2117		2388
2118	sub nuke {	2389	sub nuke {
2119	my ($self) = @_;	2390	my ($self) = @_;
2120		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
2121	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
2122		2396
2123	$self->unlink_save;	2397	$self->unlink_save;
2124		2398
2125	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
2126	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2404
2131	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
2132		2407
2133	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
2134	}	2409	}
2135		2410
2136	=item $maps = cf::map::tmp_maps	2411	=item $maps = cf::map::tmp_maps
…		…
2178		2453
2179	sub unique_maps() {	2454	sub unique_maps() {
2180	[	2455	[
2181	map {	2456	map {
2182	utf8::decode $_;	2457	utf8::decode $_;
2183	/\.map$/	2458	s/\.map$//; # TODO future compatibility hack
		2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
2184	? normalise $_	2461	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2462	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2463	]
2188	}	2464	}
2189		2465
2190	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
2191		2497
2192	=back	2498	=back
2193		2499
2194	=head3 cf::object	2500	=head3 cf::object
2195		2501
…		…
2199		2505
2200	=over 4	2506	=over 4
2201		2507
2202	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
2203		2509
2204	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
2205		2512
2206	=cut	2513	=cut
2207		2514
2208	sub inv_recursive_;	2515	sub inv_recursive_;
2209	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
2212		2519
2213	sub inv_recursive {	2520	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
2215	}	2522	}
2216		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
2217	package cf;	2552	package cf;
2218		2553
2219	=back	2554	=back
2220		2555
2221	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
2230		2565
2231	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
2232		2581
2233	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2583	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2597	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2599
2251	} else {	2600	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2603	}
2255	}	2604	}
2256	}	2605	}
2257		2606
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2283		2632
2284	=item $player_object->enter_link	2633	=item $player_object->enter_link
2285		2634
2286	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
2287		2636
2288	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
2289	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
2290		2641
2291	Will never block.	2642	Will never block.
2292		2643
2293	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
2294		2645
…		…
2314	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
2315	my ($self) = @_;	2666	my ($self) = @_;
2316		2667
2317	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
2318		2669
		2670	++$self->{_link_recursion};
		2671
2319	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
2320		2673
2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2322	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
2323		2676
2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2325	}	2678	}
2326		2679
2327	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
2328	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
2329		2682
…		…
2346	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
2347	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
2348		2701
2349	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
2352		2705
2353	$map->load;	2706	$map->load;
2354	$map->load_diag;	2707	$map->load_neighbours;
2355		2708
2356	return unless $self->contr->active;	2709	return unless $self->contr->active;
2357	$self->activate_recursive;
2358		2710
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
2361	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
2362		2718
		2719	}
		2720
2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2364		2722
2365	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
2366	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
2367	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
2368	the new (success) or old (failed) map position. In either case, $done will	2726	the new (success) or old (failed) map position. In either case, $done will
2369	be called at the end of this process.	2727	be called at the end of this process.
2370		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
2371	=cut	2732	=cut
2372		2733
2373	our $GOTOGEN;	2734	our $GOTOGEN;
2374		2735
2375	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
2376	my ($self, $path, $x, $y, $check, $done) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
2377		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
2378	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2747
2381	$self->enter_link;	2748	$self->enter_link;
2382		2749
2383	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
2384	my $map = eval {	2772	my $map = eval {
2385	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
2386		2774
2387	if ($map) {	2775	if ($map) {
2388	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
2390	} else {	2778	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2780	}
2393		2781
2394	$map	2782	$map
2395	};	2783	};
2396		2784
…		…
2402	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
2403	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
2404	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
2405	}	2793	}
2406		2794
2407	$done->() if $done;	2795	$done->($self) if $done;
2408	})->prio (1);	2796	})->prio (1);
2409	}	2797	}
2410		2798
2411	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
2412		2800
…		…
2432	}	2820	}
2433		2821
2434	sub prepare_random_map {	2822	sub prepare_random_map {
2435	my ($exit) = @_;	2823	my ($exit) = @_;
2436		2824
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2827	# that depends on the exit object
2442		2828
2443	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2831	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2450	}	2838	}
2451		2839
2452	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2453		2841
2454	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2457		2845
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2848	undef $fh;
2461	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2462		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2465	}	2857	}
2466	}	2858	}
2467		2859
2468	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2470		2862
2471	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2472		2864
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2865	$self->enter_link;
2485		2866
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2867	(async {
2491	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2492	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2493	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2494		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2495	1;	2891	1
2496	}) {	2892	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2498	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2501		2897
2502	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2503	$self->leave_link;	2899	$self->leave_link;
2504	}	2900	}
2505	})->prio (1);	2901	})->prio (1);
2506	}	2902	}
2507		2903
…		…
2519	sub cf::client::send_drawinfo {	2915	sub cf::client::send_drawinfo {
2520	my ($self, $text, $flags) = @_;	2916	my ($self, $text, $flags) = @_;
2521		2917
2522	utf8::encode $text;	2918	utf8::encode $text;
2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2920	}
		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
2524	}	2945	}
2525		2946
2526	=item $client->send_msg ($channel, $msg, $color, [extra...])	2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
2527		2948
2528	Send a drawinfo or msg packet to the client, formatting the msg for the	2949	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2951	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2952	the message unless the client supports the msg packet.
2532		2953
2533	=cut	2954	=cut
2534		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
2535	sub cf::client::send_msg {	3070	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	3071	my ($self, $channel, $msg, $color, @extra) = @_;
2537		3072
2538	$msg = $self->pl->expand_cfpod ($msg);	3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
2539		3075
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
2542	if (ref $channel) {	3085	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	3086	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	3087	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	3088	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	3089	$self->ext_msg (channel_info => $channel);
2547	}	3090	}
…		…
2549	$channel = $channel->{id};	3092	$channel = $channel->{id};
2550	}	3093	}
2551		3094
2552	return unless @extra || length $msg;	3095	return unless @extra || length $msg;
2553		3096
2554	if ($self->can_msg) {
2555	# default colour, mask it out	3097	# default colour, mask it out
2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557	if $color & cf::NDI_DEF;	3099	if $color & cf::NDI_DEF;
2558		3100
2559	$self->send_packet ("msg " . $self->{json_coder}->encode (	3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561	} else {	3104	);
2562	if ($color >= 0) {
2563	# replace some tags by gcfclient-compatible ones
2564	for ($msg) {
2565	1 while
2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571	}
2572		3105
2573	$color &= cf::NDI_COLOR_MASK;	3106	$self->send_big_packet ($pkt);
2574
2575	utf8::encode $msg;
2576
2577	if (0 && $msg =~ /\[/) {
2578	# COMMAND/INFO
2579	$self->send_packet ("drawextinfo $color 10 8 $msg")
2580	} else {
2581	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2582	$self->send_packet ("drawinfo $color $msg")
2583	}
2584	}
2585	}
2586	}	3107	}
2587		3108
2588	=item $client->ext_msg ($type, @msg)	3109	=item $client->ext_msg ($type, @msg)
2589		3110
2590	Sends an ext event to the client.	3111	Sends an ext event to the client.
…		…
2592	=cut	3113	=cut
2593		3114
2594	sub cf::client::ext_msg($$@) {	3115	sub cf::client::ext_msg($$@) {
2595	my ($self, $type, @msg) = @_;	3116	my ($self, $type, @msg) = @_;
2596		3117
2597	my $extcmd = $self->extcmd;
2598
2599	if ($extcmd == 2) {	3118	if ($self->extcmd == 2) {
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2601	} elsif ($extcmd == 1) { # TODO: remove	3120	} elsif ($self->extcmd == 1) { # TODO: remove
2602	push @msg, msgtype => "event_$type";	3121	push @msg, msgtype => "event_$type";
2603	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2604	}	3141	}
2605	}	3142	}
2606		3143
2607	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2608		3145
…		…
2669	my ($type, $reply, @payload) =	3206	my ($type, $reply, @payload) =
2670	"ARRAY" eq ref $msg	3207	"ARRAY" eq ref $msg
2671	? @$msg	3208	? @$msg
2672	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2673		3210
		3211	my @reply;
		3212
2674	if (my $cb = $EXTICMD{$type}) {	3213	if (my $cb = $EXTICMD{$type}) {
2675	my @reply = $cb->($ns, @payload);	3214	@reply = $cb->($ns, @payload);
2676
2677	$ns->ext_reply ($reply, @reply)
2678	if $reply;
2679	}	3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
2680	} else {	3220	} else {
2681	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2682	}	3222	}
2683		3223
2684	cf::override;	3224	cf::override;
2685	},	3225	},
2686	);	3226	);
…		…
2706		3246
2707	$coro	3247	$coro
2708	}	3248	}
2709		3249
2710	cf::client->attach (	3250	cf::client->attach (
2711	on_destroy => sub {	3251	on_client_destroy => sub {
2712	my ($ns) = @_;	3252	my ($ns) = @_;
2713		3253
2714	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2715	},	3255	},
2716	);	3256	);
…		…
2732	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2733		3273
2734	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2735		3275
2736	$safe->permit_only (Opcode::opset qw(	3276	$safe->permit_only (Opcode::opset qw(
2737	:base_core :base_mem :base_orig :base_math	3277	:base_core :base_mem :base_orig :base_math :base_loop
2738	grepstart grepwhile mapstart mapwhile	3278	grepstart grepwhile mapstart mapwhile
2739	sort time	3279	sort time
2740	));	3280	));
2741		3281
2742	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
…		…
2744	=pod	3284	=pod
2745		3285
2746	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2747		3287
2748	cf::object	3288	cf::object
2749	contr pay_amount pay_player map x y force_find force_add	3289	contr pay_amount pay_player map x y force_find force_add destroy
2750	insert remove name archname title slaying race	3290	insert remove name archname title slaying race decrease split
		3291	value
2751		3292
2752	cf::object::player	3293	cf::object::player
2753	player	3294	player
2754		3295
2755	cf::player	3296	cf::player
…		…
2760		3301
2761	=cut	3302	=cut
2762		3303
2763	for (	3304	for (
2764	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2765	insert remove inv name archname title slaying race)],	3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2766	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2767	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2768	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2769	) {	3311	) {
2770	no strict 'refs';
2771	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2772	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2773	for @funs;	3314	for @funs;
2774	}	3315	}
2775		3316
…		…
2790		3331
2791	my $qcode = $code;	3332	my $qcode = $code;
2792	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2793	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2794		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2795	local $_;	3339	local $_;
2796	local @safe::cf::_safe_eval_args = values %vars;
2797		3340
2798	my $eval =	3341	my $eval =
2799	"do {\n"	3342	"do {\n"
2800	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2801	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2802	. $code	3345	. $code
2803	. "\n}"	3346	. "\n}"
2804	;	3347	;
2805		3348
		3349	if ($CFG{safe_eval}) {
2806	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2807	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2808	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2809		3358
2810	if ($@) {	3359	if ($@) {
2811	warn "$@";	3360	warn "$@",
2812	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2813	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2814	}	3363	}
2815		3364
2816	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2817	}	3366	}
2818		3367
…		…
2832	=cut	3381	=cut
2833		3382
2834	sub register_script_function {	3383	sub register_script_function {
2835	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2836		3385
2837	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2838	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2839	}	3388	}
2840		3389
2841	=back	3390	=back
2842		3391
2843	=cut	3392	=cut
…		…
2846	# the server's init and main functions	3395	# the server's init and main functions
2847		3396
2848	sub load_facedata($) {	3397	sub load_facedata($) {
2849	my ($path) = @_;	3398	my ($path) = @_;
2850		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2851	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2852		3407
2853	my $facedata;
2854	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2855	or die "$path: $!";	3409	or die "$path: $!";
2856		3410
2857	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2858		3412
2859	$facedata->{version} == 2	3413	$facedata->{version} == 2
2860	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2861		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2862	{	3425	{
2863	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2864		3427
2865	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2866	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2867	cf::face::set_visibility $idx, $info->{visibility};	3431	cf::face::set_visibility $idx, $info->{visibility};
2868	cf::face::set_magicmap $idx, $info->{magicmap};	3432	cf::face::set_magicmap $idx, $info->{magicmap};
2869	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2870	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2871		3435
2872	cf::cede_to_tick;	3436	cf::cede_to_tick;
2873	}	3437	}
2874		3438
2875	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2876	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2877	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2878	or next;	3443	or next;
		3444
2879	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
2880	cf::face::set_smooth $idx, $smooth;	3446	cf::face::set_smooth $idx, $smooth;
2881	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2882	} else {	3448	} else {
2883	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2884	}	3450	}
2885		3451
2886	cf::cede_to_tick;	3452	cf::cede_to_tick;
2887	}	3453	}
2888	}	3454	}
…		…
2897		3463
2898	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2899	}	3465	}
2900		3466
2901	{	3467	{
2902	# TODO: for gcfclient pleasure, we should give resources
2903	# that gcfclient doesn't grok a >10000 face index.
2904	my $res = $facedata->{resource};	3468	my $res = $facedata->{resource};
2905	my $enc = JSON::XS->new->utf8->canonical;
2906
2907	my $soundconf = delete $res->{"res/sound.conf"};
2908		3469
2909	while (my ($name, $info) = each %$res) {	3470	while (my ($name, $info) = each %$res) {
2910	my $meta = $enc->encode ({	3471	if (defined $info->{type}) {
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2916		3473
2917	if ($info->{type} & 1) {
2918	# prepend meta info
2919
2920	my $data = pack "(w/a*)*", $meta, $info->{data};
2921	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2922
2923	cf::face::set_data $idx, 0, $data, $chk;	3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
2924	} else {	3476	} else {
2925	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3477	$RESOURCE{$name} = $info; # unused
2926	}	3478	}
2927		3479
2928	cf::face::set_type $idx, $info->{type};
2929
2930	cf::cede_to_tick;	3480	cf::cede_to_tick;
2931	}	3481	}
2932
2933	if ($soundconf) {
2934	$soundconf = $enc->decode (delete $soundconf->{data});
2935
2936	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2937	my $sound = $soundconf->{compat}[$_]
2938	or next;
2939
2940	my $face = cf::face::find "sound/$sound->[1]";
2941	cf::sound::set $sound->[0] => $face;
2942	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2943	}
2944
2945	while (my ($k, $v) = each %{$soundconf->{event}}) {
2946	my $face = cf::face::find "sound/$v";
2947	cf::sound::set $k => $face;
2948	}
2949	}
2950	}	3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2951		3485
2952	1	3486	1
2953	}	3487	}
2954		3488
2955	register_exticmd fx_want => sub {	3489	register_exticmd fx_want => sub {
…		…
2958	while (my ($k, $v) = each %$want) {	3492	while (my ($k, $v) = each %$want) {
2959	$ns->fx_want ($k, $v);	3493	$ns->fx_want ($k, $v);
2960	}	3494	}
2961	};	3495	};
2962		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2963	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2964	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2965	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
2966		3514
2967	for (cf::region::list) {	3515	for (cf::region::list) {
2968	$_->{match} = qr/$_->{match}/	3516	$_->{match} = qr/$_->{match}/
…		…
2976	}	3524	}
2977		3525
2978	sub reload_archetypes {	3526	sub reload_archetypes {
2979	load_resource_file "$DATADIR/archetypes"	3527	load_resource_file "$DATADIR/archetypes"
2980	or die "unable to load archetypes\n";	3528	or die "unable to load archetypes\n";
2981	#d# NEED to laod twice to resolve forward references
2982	# this really needs to be done in an extra post-pass
2983	# (which needs to be synchronous, so solve it differently)
2984	load_resource_file "$DATADIR/archetypes"
2985	or die "unable to load archetypes\n";
2986	}	3529	}
2987		3530
2988	sub reload_treasures {	3531	sub reload_treasures {
2989	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2990	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2991	}	3534	}
2992		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2993	sub reload_resources {	3559	sub reload_resources {
2994	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2995		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2996	reload_regions;	3567	reload_regions;
2997	reload_facedata;
2998	#reload_archetypes;#d#
2999	reload_archetypes;
3000	reload_treasures;	3568	reload_treasures;
3001		3569
3002	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
3003	}	3571	}
3004		3572
3005	sub init {	3573	sub reload_config {
3006	reload_resources;	3574	trace "reloading config file...\n";
3007	}
3008		3575
3009	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
3010	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
3011	or return;
3012		3578
3013	local $/;	3579	utf8::decode $config;
3014	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
3015		3581
3016	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3017		3583
3018	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3019	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3020		3586
3021	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
3025	};	3591	};
3026	warn $@ if $@;	3592	warn $@ if $@;
3027	}	3593	}
3028	}	3594	}
3029		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
3030	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
3031	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
3032	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
3033	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3034	(async {	3637	(async {
3035	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
3036	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
3037	};	3641	};
3038		3642
3039	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
3040	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
3041	load_extensions;	3666	load_extensions;
3042		3667
3043	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
3044	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
3045	}	3686	}
3046		3687
3047	#############################################################################	3688	#############################################################################
3048	# initialisation and cleanup	3689	# initialisation and cleanup
3049		3690
3050	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
3051	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
3052	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
3053	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3054	reentrant => 0,
3055	data => WF_AUTOCANCEL,
3056	signal => $signal,
3057	prio => 0,
3058	cb => sub {
3059	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
3060	},
3061	);	3697	};
3062	}	3698	}
3063	}	3699	}
3064		3700
3065	sub write_runtime {	3701	sub write_runtime_sync {
3066	my $runtime = "$LOCALDIR/runtime";	3702	my $t0 = AE::time;
3067		3703
3068	# first touch the runtime file to show we are still running:	3704	# first touch the runtime file to show we are still running:
3069	# the fsync below can take a very very long time.	3705	# the fsync below can take a very very long time.
3070		3706
3071	IO::AIO::aio_utime $runtime, undef, undef;	3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3072		3708
3073	my $guard = cf::lock_acquire "write_runtime";	3709	my $guard = cf::lock_acquire "write_runtime";
3074		3710
3075	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3076	or return;	3712	or return;
3077		3713
3078	my $value = $cf::RUNTIME + 90 + 10;	3714	my $value = $cf::RUNTIME + 90 + 10;
3079	# 10 is the runtime save interval, for a monotonic clock	3715	# 10 is the runtime save interval, for a monotonic clock
3080	# 60 allows for the watchdog to kill the server.	3716	# 60 allows for the watchdog to kill the server.
…		…
3090	aio_utime $fh, undef, undef;	3726	aio_utime $fh, undef, undef;
3091		3727
3092	close $fh	3728	close $fh
3093	or return;	3729	or return;
3094		3730
3095	aio_rename "$runtime~", $runtime	3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3096	and return;	3732	and return;
3097		3733
3098	warn "runtime file written.\n";	3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3099		3735
3100	1	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
3101	}	3787	}
3102		3788
3103	sub emergency_save() {	3789	sub emergency_save() {
3104	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
3105		3791
3106	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
3107		3798
3108	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
3109	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
3110	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
3111	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
3112	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
3113	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
3114	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
3115	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3116	$pl->save;	3810	$pl->save;
3117	}	3811	}
3118	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
3119		3813
3120	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
3121	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
3122	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
3123	$map->valid or next;	3819	$map->valid or next;
3124	$map->save;	3820	$map->save;
3125	}	3821	}
3126	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
3127		3823
3128	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
3129	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
3130	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
3131	};	3852	};
3132		3853
3133	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
3134	}	3855	}
3135		3856
3136	sub post_cleanup {	3857	sub post_cleanup {
3137	my ($make_core) = @_;	3858	my ($make_core) = @_;
3138		3859
		3860	IO::AIO::flush;
		3861
3139	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
3140	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
3141	}	3892	}
3142		3893
3143	sub do_reload_perl() {	3894	sub do_reload_perl() {
3144	# can/must only be called in main	3895	# can/must only be called in main
3145	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
3146	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
3147	return;	3898	return;
3148	}	3899	}
3149		3900
3150	warn "reloading...";	3901	return if $RELOAD++;
3151		3902
3152	warn "entering sync_job";	3903	my $t1 = AE::time;
3153		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
3154	cf::sync_job {	3911	cf::sync_job {
3155	cf::write_runtime; # external watchdog should not bark
3156	cf::emergency_save;	3912	#cf::emergency_save;
3157	cf::write_runtime; # external watchdog should not bark
3158		3913
3159	warn "syncing database to disk";
3160	BDB::db_env_txn_checkpoint $DB_ENV;
3161
3162	# if anything goes wrong in here, we should simply crash as we already saved
3163
3164	warn "cancelling all WF_AUTOCANCEL watchers";
3165	for (Event::all_watchers) {
3166	$_->cancel if $_->data & WF_AUTOCANCEL;
3167	}
3168
3169	warn "flushing outstanding aio requests";
3170	for (;;) {
3171	BDB::flush;
3172	IO::AIO::flush;
3173	Coro::cede;
3174	last unless IO::AIO::nreqs || BDB::nreqs;
3175	warn "iterate...";
3176	}
3177
3178	++$RELOAD;
3179
3180	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
3181	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
3182	%EXT_CORO = ();	3916	%EXT_CORO = ();
3183		3917
3184	warn "removing commands";	3918	trace "perl_reload: removing commands";
3185	%COMMAND = ();	3919	%COMMAND = ();
3186		3920
3187	warn "removing ext/exti commands";	3921	trace "perl_reload: removing ext/exti commands";
3188	%EXTCMD = ();	3922	%EXTCMD = ();
3189	%EXTICMD = ();	3923	%EXTICMD = ();
3190		3924
3191	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
3192	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
3193	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
3194		3928
3195	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
3196	eval {	3930	eval {
3197	$cb->($pkg);	3931	$cb->($pkg);
3198	1	3932	1
3199	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
3200	}	3938	}
3201		3939
3202	warn "... nuking $pkg";
3203	Symbol::delete_package $pkg;
3204	}
3205
3206	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3207	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
3208	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3209		3943
3210	warn "... unloading $k";	3944	trace "... unloading $k";
3211	delete $INC{$k};	3945	delete $INC{$k};
3212		3946
3213	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
3214	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
3215		3949
3216	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
3217	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
3218	}	3955	}
3219		3956
3220	Symbol::delete_package $k;
3221	}
3222
3223	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
3224	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
3225	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3226		3960
3227	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
3228	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
3229	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3230		3964
3231	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
3232	# and global variables created in xs	3966	# and global variables created in xs
3233	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
3234		3968
3235	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
3236		3970
3237	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
3238	require cf;	3972	require cf;
3239	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
3240		3974
3241	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
3242	cf::cfg_load;	3976	cf::reload_config;
3243		3977
3244	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
3245	cf::load_extensions;	3979	cf::load_extensions;
3246		3980
		3981	if ($REATTACH_ON_RELOAD) {
3247	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
3248	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
3249	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
3250	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
3251	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
3252	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
3253		3989
3254	warn "leaving sync_job";	3990	cf::_post_init 1;
3255		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
3256	1	3994	1
3257	} or do {	3995	} or do {
3258	warn $@;	3996	error $@;
3259	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
3260	exit 1;	3998	};
		3999
		4000	--$RELOAD;
3261	};	4001	}
3262		4002
3263	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
3264	};	4005	};
3265		4006
3266	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
3267		4008
3268	sub reload_perl() {	4009	sub reload_perl() {
3269	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
3270	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
3271		4012
3272	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
3273	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
3274	after => 0,	4015
3275	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3276	cb => sub {
3277	do_reload_perl;	4017	do_reload_perl;
3278	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
3279	},	4019	};
3280	);	4020	};
3281	}	4021	}
3282		4022
3283	register_command "reload" => sub {	4023	register_command "reload" => sub {
3284	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
3285		4025
3286	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
3287	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
3288	async { reload_perl };	4030	reload_perl;
		4031	};
3289	}	4032	}
3290	};	4033	};
3291		4034
3292	unshift @INC, $LIBDIR;	4035	#############################################################################
3293		4036
3294	my $bug_warning = 0;	4037	my $bug_warning = 0;
3295		4038
3296	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
3297	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
3298		4041
3299	sub wait_for_tick {	4042	sub wait_for_tick() {
3300	return unless $TICK_WATCHER->is_active;
3301	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3302		4044
3303	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
3304	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
3305	$signal->wait;	4047	$signal->wait;
3306	}	4048	}
3307		4049
3308	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
3309	return unless $TICK_WATCHER->is_active;
3310	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3311		4052
3312	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3313	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
3314	$signal->wait;	4055	$signal->wait;
3315	}	4056	}
3316		4057
3317	my $min = 1e6;#d#	4058	sub tick {
3318	my $avg = 10;
3319	$TICK_WATCHER = Event->timer (
3320	reentrant => 0,
3321	parked => 1,
3322	prio => 0,
3323	at => $NEXT_TICK || $TICK,
3324	data => WF_AUTOCANCEL,
3325	cb => sub {
3326	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
3327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3328	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
3329	return;	4062	return;
3330	}	4063	}
3331		4064
3332	$NOW = $tick_start = Event::time;
3333
3334	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
3335		4066
3336	0 && sync_job {#d#	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3337	for(1..10) {
3338	my $t = Event::time;
3339	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3340	or die;
3341		4068
3342	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3343	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3344	$map->alloc;	4071	Coro::async_pool {
3345	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
3346	my $t = Event::time - $t;	4073	write_runtime_sync
3347		4074	or error "ERROR: unable to write runtime file: $!";
3348	#next unless $t < 0.0013;#d#
3349	if ($t < $min) {
3350	$min = $t;
3351	}
3352	$avg = $avg * 0.99 + $t * 0.01;
3353	}
3354	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3355	exit 0;
3356	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3357	};	4075	};
		4076	}
3358		4077
3359	$RUNTIME += $TICK;
3360	$NEXT_TICK += $TICK;
3361
3362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3363	$NEXT_RUNTIME_WRITE = $NOW + 10;
3364	Coro::async_pool {
3365	write_runtime
3366	or warn "ERROR: unable to write runtime file: $!";
3367	};
3368	}
3369
3370	# my $AFTER = Event::time;
3371	# warn $AFTER - $NOW;#d#
3372
3373	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3374	$sig->send;	4079	$sig->send;
3375	}	4080	}
3376	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
3377	$sig->send;	4082	$sig->send;
3378	}	4083	}
3379		4084
3380	$NOW = Event::time;	4085	$LOAD = ($NOW - $TICK_START) / $TICK;
3381
3382	# if we are delayed by four ticks or more, skip them all
3383	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3384
3385	$TICK_WATCHER->at ($NEXT_TICK);
3386	$TICK_WATCHER->start;
3387
3388	$LOAD = ($NOW - $tick_start) / $TICK;
3389	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3390		4087
3391	_post_tick;	4088	if (0) {
3392		4089	if ($NEXT_TICK) {
3393		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
3394	},	4094	}
3395	);	4095	}
3396		4096
3397	{	4097	{
3398	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
3399	$BDB_POLL_WATCHER = Event->io (	4099
3400	reentrant => 0,
3401	fd => BDB::poll_fileno,
3402	poll => 'r',
3403	prio => 0,
3404	data => WF_AUTOCANCEL,
3405	cb => \&BDB::poll_cb,
3406	);
3407	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
3408		4101	BDB::max_poll_reqs $TICK * 0.1;
3409	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
3410	my $status;
3411	my $current = $Coro::current;
3412	(
3413	sub {
3414	$status = $!;
3415	$current->ready; undef $current;
3416	},
3417	sub {
3418	Coro::schedule while defined $current;
3419	$! = $status;
3420	},
3421	)
3422	};
3423		4103
3424	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
3425	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3426		4111
3427	cf::sync_job {	4112	cf::sync_job {
3428	eval {	4113	eval {
3429	BDB::db_env_open	4114	BDB::db_env_open
3430	$DB_ENV,	4115	$DB_ENV,
…		…
3432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3434	0666;	4119	0666;
3435		4120
3436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3437
3438	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3439	$DB_ENV->set_lk_detect;
3440	};	4122	};
3441		4123
3442	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
3443	};	4125	};
3444	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
3445	}	4137	}
3446		4138
3447	{	4139	{
		4140	# configure IO::AIO
		4141
3448	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
3449
3450	undef $Coro::AIO::WATCHER;
3451	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
3452	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
3453	reentrant => 0,
3454	data => WF_AUTOCANCEL,
3455	fd => IO::AIO::poll_fileno,
3456	poll => 'r',
3457	prio => 6,
3458	cb => \&IO::AIO::poll_cb,
3459	);
3460	}	4145	}
3461		4146
3462	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
3463		4149
3464	sub _log_backtrace {	4150	sub _log_backtrace {
3465	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
3466		4152
3467	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
3468		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3469	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3470	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3471	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3472	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3473	my @bt = fork_call {	4166	my @bt = fork_call {
3474	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3475	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3476	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3477	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3485	}	4178	}
3486		4179
3487	@funcs	4180	@funcs
3488	};	4181	};
3489		4182
3490	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3491	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3492	--$_log_backtrace;	4186	--$_log_backtrace;
3493	};	4187	};
3494	} else {	4188	} else {
3495	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3496	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3497	}	4191	}
3498	}	4192	}
3499		4193
3500	# load additional modules	4194	# load additional modules
3501	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3502		4197
3503	END { cf::emergency_save }	4198	END { cf::emergency_save }
3504		4199
3505	1	4200	1
3506		4201

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