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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.322 by root, Fri Jul 27 10:10:51 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 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
…		…
1372	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1373		1655
1374	$self	1656	$self
1375	}	1657	}
1376		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1377	=item $pl->quit_character	1669	=item $pl->quit_character
1378		1670
1379	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1381		1673
…		…
1385	my ($pl) = @_;	1677	my ($pl) = @_;
1386		1678
1387	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1388		1680
1389	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1390	$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
1391		1683
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1395	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1396		1692
1397	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1434	or return [];	1730	or return [];
1435		1731
1436	my @logins;	1732	my @logins;
1437		1733
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1442		1744
1443	utf8::decode $login;	1745	utf8::decode $login;
1444	push @logins, $login;	1746	push @logins, $login;
1445	}	1747	}
1446		1748
1447	\@logins	1749	\@logins
1448	}	1750	}
1449		1751
1450	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1451		1755
1452	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1453	player. May block.	1757	player. May block.
1454		1758
1455	=cut	1759	=cut
…		…
1473	}	1777	}
1474		1778
1475	\@paths	1779	\@paths
1476	}	1780	}
1477		1781
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1783
1480	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1785
1528	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1529		1787
1530	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1531		1789
1532	=cut	1790	=cut
1533		1791
1534	sub ext_reply($$@) {	1792	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1793	my ($self, $id, @msg) = @_;
1536		1794
1537	if ($self->ns->extcmd == 2) {	1795	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1796	}
1545		1797
1546	=item $player->ext_msg ($type, @msg)	1798	=item $player->ext_msg ($type, @msg)
1547		1799
1548	Sends an ext event to the client.	1800	Sends an ext event to the client.
…		…
1569		1821
1570	=cut	1822	=cut
1571		1823
1572	sub find_by_path($) {	1824	sub find_by_path($) {
1573	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1574		1828
1575	my ($match, $specificity);	1829	my ($match, $specificity);
1576		1830
1577	for my $region (list) {	1831	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1606		1860
1607	sub generate_random_map {	1861	sub generate_random_map {
1608	my ($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
1609	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1867	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1632		1889
1633	sub register {	1890	sub register {
1634	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	1892	my $pkg = caller;
1636		1893
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		1895
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	1897	}
1642		1898
1643	# also paths starting with '/'	1899	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		1901
1646	sub thawer_merge {	1902	sub thawer_merge {
1647	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1648		1904
1649	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1654	}	1910	}
1655		1911
1656	sub normalise {	1912	sub normalise {
1657	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1658		1914
1659	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1660		1916
1661	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1662		1918
1663	# map plan:	1919	# map plan:
1664	#	1920	#
…		…
1679	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	1936	$path = "$base/$path";
1681	}	1937	}
1682		1938
1683	for ($path) {	1939	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1687	}	1942	}
1688		1943
1689	$path	1944	$path
…		…
1703	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1704	return $self;	1959	return $self;
1705	}	1960	}
1706	}	1961	}
1707		1962
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	1964	()
1710	}	1965	}
1711		1966
1712	sub init {	1967	sub init {
1713	my ($self) = @_;	1968	my ($self) = @_;
…		…
1735		1990
1736	# the temporary/swap location	1991	# the temporary/swap location
1737	sub save_path {	1992	sub save_path {
1738	my ($self) = @_;	1993	my ($self) = @_;
1739		1994
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1742	}	1997	}
1743		1998
1744	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1745	sub uniq_path {	2000	sub uniq_path {
1746	my ($self) = @_;	2001	my ($self) = @_;
1747		2002
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2005	}
1760		2006
1761	sub decay_objects {	2007	sub decay_objects {
1762	my ($self) = @_;	2008	my ($self) = @_;
1763		2009
…		…
1776		2022
1777	sub load_header_from($) {	2023	sub load_header_from($) {
1778	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1779		2025
1780	utf8::encode $path;	2026	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1786		2035
1787	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1788		2037
1789	1	2038	1
1790	}	2039	}
…		…
1842		2091
1843	sub find;	2092	sub find;
1844	sub find {	2093	sub find {
1845	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1846		2095
		2096	cf::cede_to_tick;
		2097
1847	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1848		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2102
1851	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1854	or return;	2105	or return;
1855		2106
1856	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1857		2108
…		…
1859	or return;	2110	or return;
1860		2111
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1864	$map->reset;	2117	$map->reset;
1865	undef $guard;
1866	return find $path;	2118	return find $path;
1867	}	2119	}
1868		2120
1869	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1870	}	2122	}
1871	}	2123	}
1872		2124
1873	sub pre_load { }	2125	sub pre_load { }
1874	sub post_load { }	2126	#sub post_load { } # XS
1875		2127
1876	sub load {	2128	sub load {
1877	my ($self) = @_;	2129	my ($self) = @_;
1878		2130
1879	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1880		2132
1881	my $path = $self->{path};	2133	my $path = $self->{path};
1882		2134
1883	{	2135	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1885		2137
		2138	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2140
1888	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1889		2142
1890	$self->alloc;	2143	$self->alloc;
1891		2144
1892	$self->pre_load;	2145	$self->pre_load;
1893	Coro::cede;	2146	cf::cede_to_tick;
1894		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1896	or return;	2151	or return;
1897		2152
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1899	if delete $self->{load_original};	2154	if delete $self->{load_original};
1900		2155
1901	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2157	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2160	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1906	}	2164	}
1907	}	2165	}
1908		2166
1909	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1910	# now do the right thing for maps	2170	# now do the right thing for maps
1911	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2173	unless $self->difficulty;
1914	Coro::cede;	2174	cf::cede_to_tick;
1915		2175
1916	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2177	$self->decay_objects;
1918	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1919	$self->update_buttons;	2179	$self->update_buttons;
1920	Coro::cede;	2180	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2181	$self->activate;
1924	}	2182	}
1925		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2188	}
1928		2189
1929	$self->post_load;	2190	$self->post_load;
1930	}	2191	}
1931		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2196	sub customise_for {
1933	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1934		2198
1935	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2200	if $self->per_player;
…		…
1940		2204
1941	$self	2205	$self
1942	}	2206	}
1943		2207
1944	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2209	sub load_neighbours {
1946	my ($map) = @_;	2210	my ($map) = @_;
1947		2211
1948	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1949		2213
1950	for (0 .. 3) {	2214	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1952	or next;	2216	or next;
1953	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1954	or next;	2218	or next;
1955	$neigh->load;	2219	$neigh->load;
1956		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2225	}
1960		2226
1961	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1963	or next;	2230	or next;
1964	$neigh->load;	2231	$neigh->load;
1965	}	2232	}
1966	}	2233	}
1967		2234
1968	sub find_sync {	2235	sub find_sync {
1969	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1970		2237
1971	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1972	}	2242	}
1973		2243
1974	sub do_load_sync {	2244	sub do_load_sync {
1975	my ($map) = @_;	2245	my ($map) = @_;
1976		2246
1977	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1978	}	2251	}
1979		2252
1980	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1982		2255
1983	sub find_async {	2256	sub find_async {
1984	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1985		2258
1986	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1987		2260
1988	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2263	}
1991		2264
1992	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1993	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1994	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2272	if (my $map = find $k) {
1997	$map->load;	2273	$map->load if $v;
1998	}	2274	}
1999		2275
2000	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
2001	}	2277	}
2002	}	2278	}
2003	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
2004	};	2280	};
2005	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
2006		2282
2007	()	2283	()
2008	}	2284	}
2009		2285
		2286	# common code, used by both ->save and ->swapout
2010	sub save {	2287	sub _save {
2011	my ($self) = @_;	2288	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2289
2015	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
2016		2291
2017	return unless $self->dirty;	2292	return unless $self->dirty;
2018		2293
…		…
2024	return if $self->{deny_save};	2299	return if $self->{deny_save};
2025		2300
2026	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
2027		2302
2028	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
2030	};	2306	};
		2307
		2308	cf::get_slot 0.02;
2031		2309
2032	if ($uniq) {	2310	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2313	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2315	}
2038	}	2316	}
2039		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
2040	sub swap_out {	2326	sub swap_out {
2041	my ($self) = @_;	2327	my ($self) = @_;
2042		2328
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
2048	return if $self->players;	2333	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
2052	$self->clear;	2344	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2345	}
2055		2346
2056	sub reset_at {	2347	sub reset_at {
2057	my ($self) = @_;	2348	my ($self) = @_;
2058		2349
…		…
2076		2367
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2369
2079	return if $self->players;	2370	return if $self->players;
2080		2371
2081	warn "resetting map ", $self->path;	2372	cf::trace "resetting map ", $self->path, "\n";
2082		2373
2083	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
2084		2375
2085	# need to save uniques path	2376	# need to save uniques path
2086	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
2090	if $uniq;	2381	if $uniq;
2091	}	2382	}
2092		2383
2093	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
2094		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2388	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2389
2099	$self->unlink_save;	2390	$self->unlink_save;
2100	$self->destroy;	2391	$self->destroy;
2101	}	2392	}
2102		2393
2103	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
2104		2395
2105	sub nuke {	2396	sub nuke {
2106	my ($self) = @_;	2397	my ($self) = @_;
2107		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
2108	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
2109		2403
2110	$self->unlink_save;	2404	$self->unlink_save;
2111		2405
2112	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2411
2118	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
2119		2414
2120	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
2121	}	2416	}
2122		2417
2123	=item $maps = cf::map::tmp_maps	2418	=item $maps = cf::map::tmp_maps
…		…
2165		2460
2166	sub unique_maps() {	2461	sub unique_maps() {
2167	[	2462	[
2168	map {	2463	map {
2169	utf8::decode $_;	2464	utf8::decode $_;
2170	/\.map$/	2465	s/\.map$//; # TODO future compatibility hack
		2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2467	? ()
2171	? normalise $_	2468	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2469	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2470	]
2175	}	2471	}
2176		2472
2177	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
2178		2504
2179	=back	2505	=back
2180		2506
2181	=head3 cf::object	2507	=head3 cf::object
2182		2508
…		…
2186		2512
2187	=over 4	2513	=over 4
2188		2514
2189	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
2190		2516
2191	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
2192		2519
2193	=cut	2520	=cut
2194		2521
2195	sub inv_recursive_;	2522	sub inv_recursive_;
2196	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
2199		2526
2200	sub inv_recursive {	2527	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
2202	}	2529	}
2203		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
2204	package cf;	2559	package cf;
2205		2560
2206	=back	2561	=back
2207		2562
2208	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
2217		2572
2218	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
2219		2588
2220	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2590	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2604	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2606
2238	} else {	2607	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2610	}
2242	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
2243	}	2622	}
2244		2623
2245	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
2246		2625
2247	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
2260		2639
2261	=item $player_object->enter_link	2640	=item $player_object->enter_link
2262		2641
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2643
2265	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
2267		2648
2268	Will never block.	2649	Will never block.
2269		2650
2270	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
2271		2652
…		…
2291	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2673	my ($self) = @_;
2293		2674
2294	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
2295		2676
		2677	++$self->{_link_recursion};
		2678
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2680
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2682	if $self->map && $self->map->{path} ne "{link}";
2300		2683
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2685	}
2303		2686
2304	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
2306		2689
…		…
2323	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
2325		2708
2326	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
2329		2712
2330	$map->load;	2713	$map->load;
2331	$map->load_diag;	2714	$map->load_neighbours;
2332		2715
2333	return unless $self->contr->active;	2716	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2717
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
2338	}	2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
		2723	$self->activate_recursive;
		2724	}
2339		2725
		2726	}
		2727
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2729
2342	Moves the player to the given map-path and coordinates by first freezing	2730	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2731	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2732	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2733	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2734	be called at the end of this process.
2347		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
2348	=cut	2739	=cut
2349		2740
2350	our $GOTOGEN;	2741	our $GOTOGEN;
2351		2742
2352	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
2355	# do generation counting so two concurrent goto's will be executed in-order	2752	# do generation counting so two concurrent goto's will be executed in-order
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2754
2358	$self->enter_link;	2755	$self->enter_link;
2359		2756
2360	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
2361	my $map = eval {	2779	my $map = eval {
2362	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
2363		2781
2364	if ($map) {	2782	if ($map) {
2365	$map = $map->customise_for ($self);	2783	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2784	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2785	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2787	}
2370		2788
2371	$map	2789	$map
2372	};	2790	};
2373		2791
…		…
2379	if ($gen == $self->{_goto_generation}) {	2797	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2798	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
2382	}	2800	}
2383		2801
2384	$done->() if $done;	2802	$done->($self) if $done;
2385	})->prio (1);	2803	})->prio (1);
2386	}	2804	}
2387		2805
2388	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
2389		2807
…		…
2409	}	2827	}
2410		2828
2411	sub prepare_random_map {	2829	sub prepare_random_map {
2412	my ($exit) = @_;	2830	my ($exit) = @_;
2413		2831
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2834	# that depends on the exit object
2419		2835
2420	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2838	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
2427	}	2845	}
2428		2846
2429	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
2430		2848
2431	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
2434		2852
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2855	undef $fh;
2438	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
2439		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2442	}	2864	}
2443	}	2865	}
2444		2866
2445	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2447		2869
2448	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2449		2871
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2872	$self->enter_link;
2462		2873
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2874	(async {
2468	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2469	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2470	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2471		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2472	1;	2898	1
2473	}) {	2899	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2904
2479	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	2906	$self->leave_link;
2481	}	2907	}
2482	})->prio (1);	2908	})->prio (1);
2483	}	2909	}
2484		2910
…		…
2496	sub cf::client::send_drawinfo {	2922	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	2923	my ($self, $text, $flags) = @_;
2498		2924
2499	utf8::encode $text;	2925	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2927	}
		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
2501	}	2952	}
2502		2953
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		2955
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	2956	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2958	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2959	the message unless the client supports the msg packet.
2509		2960
2510	=cut	2961	=cut
2511		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
2512	sub cf::client::send_msg {	3077	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3078	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3079
2515	$msg = $self->pl->expand_cfpod ($msg);	3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
2516		3082
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
2519	if (ref $channel) {	3092	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3093	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3094	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3095	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	3096	$self->ext_msg (channel_info => $channel);
2524	}	3097	}
…		…
2526	$channel = $channel->{id};	3099	$channel = $channel->{id};
2527	}	3100	}
2528		3101
2529	return unless @extra || length $msg;	3102	return unless @extra || length $msg;
2530		3103
2531	if ($self->can_msg) {	3104	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3106	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3107
2544	if ($color >= 0) {	3108	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3109	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3111	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3112
2549	$self->send_packet ("drawinfo $color $msg")	3113	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3114	}
2554		3115
2555	=item $client->ext_msg ($type, @msg)	3116	=item $client->ext_msg ($type, @msg)
2556		3117
2557	Sends an ext event to the client.	3118	Sends an ext event to the client.
…		…
2559	=cut	3120	=cut
2560		3121
2561	sub cf::client::ext_msg($$@) {	3122	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3123	my ($self, $type, @msg) = @_;
2563		3124
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3125	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3127	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3128	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	3148	}
2572	}	3149	}
2573		3150
2574	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2575		3152
…		…
2636	my ($type, $reply, @payload) =	3213	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	3214	"ARRAY" eq ref $msg
2638	? @$msg	3215	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3217
		3218	my @reply;
		3219
2641	if (my $cb = $EXTICMD{$type}) {	3220	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3221	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
2647	} else {	3227	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3229	}
2650		3230
2651	cf::override;	3231	cf::override;
2652	},	3232	},
2653	);	3233	);
…		…
2673		3253
2674	$coro	3254	$coro
2675	}	3255	}
2676		3256
2677	cf::client->attach (	3257	cf::client->attach (
2678	on_destroy => sub {	3258	on_client_destroy => sub {
2679	my ($ns) = @_;	3259	my ($ns) = @_;
2680		3260
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3262	},
2683	);	3263	);
…		…
2698	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2700		3280
2701	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2702		3282
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2704		3288
2705	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2706		3290
2707	=pod	3291	=pod
2708		3292
2709	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2710		3294
2711	cf::object	3295	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3296	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3297	insert remove name archname title slaying race decrease split
		3298	value
2714		3299
2715	cf::object::player	3300	cf::object::player
2716	player	3301	player
2717		3302
2718	cf::player	3303	cf::player
…		…
2723		3308
2724	=cut	3309	=cut
2725		3310
2726	for (	3311	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2732	) {	3318	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3321	for @funs;
2737	}	3322	}
2738		3323
…		…
2753		3338
2754	my $qcode = $code;	3339	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2757		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2758	local $_;	3346	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3347
2761	my $eval =	3348	my $eval =
2762	"do {\n"	3349	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3352	. $code
2766	. "\n}"	3353	. "\n}"
2767	;	3354	;
2768		3355
		3356	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2772		3365
2773	if ($@) {	3366	if ($@) {
2774	warn "$@";	3367	warn "$@",
2775	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2777	}	3370	}
2778		3371
2779	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2780	}	3373	}
2781		3374
…		…
2795	=cut	3388	=cut
2796		3389
2797	sub register_script_function {	3390	sub register_script_function {
2798	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2799		3392
2800	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2802	}	3395	}
2803		3396
2804	=back	3397	=back
2805		3398
2806	=cut	3399	=cut
…		…
2809	# the server's init and main functions	3402	# the server's init and main functions
2810		3403
2811	sub load_facedata($) {	3404	sub load_facedata($) {
2812	my ($path) = @_;	3405	my ($path) = @_;
2813		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2814	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2815		3414
2816	my $facedata;
2817	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2818	or die "$path: $!";	3416	or die "$path: $!";
2819		3417
2820	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2821		3419
2822	$facedata->{version} == 2	3420	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
2825	{	3432	{
2826	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2827		3434
2828	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2830	cf::face::set_visibility $idx, $info->{visibility};	3438	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3439	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3442
2835	cf::cede_to_tick;	3443	cf::cede_to_tick;
2836	}	3444	}
2837		3445
2838	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2840	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2841	or next;	3450	or next;
		3451
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3453	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3455	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3457	}
2848		3458
2849	cf::cede_to_tick;	3459	cf::cede_to_tick;
2850	}	3460	}
2851	}	3461	}
…		…
2860		3470
2861	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2862	}	3472	}
2863		3473
2864	{	3474	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3475	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3476
2872	while (my ($name, $info) = each %$res) {	3477	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3478	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3480
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
2887	} else {	3483	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3484	$RESOURCE{$name} = $info; # unused
2889	}	3485	}
2890		3486
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3487	cf::cede_to_tick;
2894	}	3488	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904
2905	cf::sound::set $sound->[0] => $face;
2906	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2907	}
2908
2909	#TODO
2910	}
2911	}	3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2912		3492
2913	1	3493	1
2914	}	3494	}
2915		3495
2916	register_exticmd fx_want => sub {	3496	register_exticmd fx_want => sub {
…		…
2919	while (my ($k, $v) = each %$want) {	3499	while (my ($k, $v) = each %$want) {
2920	$ns->fx_want ($k, $v);	3500	$ns->fx_want ($k, $v);
2921	}	3501	}
2922	};	3502	};
2923		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
2924	sub reload_regions {	3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
2925	load_resource_file "$MAPDIR/regions"	3519	load_resource_file "$MAPDIR/regions"
2926	or die "unable to load regions file\n";	3520	or die "unable to load regions file\n";
2927		3521
2928	for (cf::region::list) {	3522	for (cf::region::list) {
2929	$_->{match} = qr/$_->{match}/	3523	$_->{match} = qr/$_->{match}/
…		…
2937	}	3531	}
2938		3532
2939	sub reload_archetypes {	3533	sub reload_archetypes {
2940	load_resource_file "$DATADIR/archetypes"	3534	load_resource_file "$DATADIR/archetypes"
2941	or die "unable to load archetypes\n";	3535	or die "unable to load archetypes\n";
2942	#d# NEED to laod twice to resolve forward references
2943	# this really needs to be done in an extra post-pass
2944	# (which needs to be synchronous, so solve it differently)
2945	load_resource_file "$DATADIR/archetypes"
2946	or die "unable to load archetypes\n";
2947	}	3536	}
2948		3537
2949	sub reload_treasures {	3538	sub reload_treasures {
2950	load_resource_file "$DATADIR/treasures"	3539	load_resource_file "$DATADIR/treasures"
2951	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
2952	}	3541	}
2953		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
2954	sub reload_resources {	3566	sub reload_resources {
2955	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
2956		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2957	reload_regions;	3574	reload_regions;
2958	reload_facedata;
2959	#reload_archetypes;#d#
2960	reload_archetypes;
2961	reload_treasures;	3575	reload_treasures;
2962		3576
2963	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2964	}	3578	}
2965		3579
2966	sub init {	3580	sub reload_config {
2967	reload_resources;	3581	trace "reloading config file...\n";
2968	}
2969		3582
2970	sub cfg_load {	3583	0 < aio_load "$CONFDIR/config", my $config
2971	open my $fh, "<:utf8", "$CONFDIR/config"	3584	or die "$CONFDIR/config: $!";
2972	or return;
2973		3585
2974	local $/;	3586	utf8::decode $config;
2975	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = yaml_load $config;
2976		3588
2977	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2978		3590
2979	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2980	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2981		3593
2982	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2986	};	3598	};
2987	warn $@ if $@;	3599	warn $@ if $@;
2988	}	3600	}
2989	}	3601	}
2990		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2991	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2992	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2993	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2994	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2995	(async {	3644	(async {
2996	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2997	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2998	};	3648	};
2999		3649
3000	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
3001	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
3002	load_extensions;	3673	load_extensions;
3003		3674
3004	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
3005	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
3006	}	3693	}
3007		3694
3008	#############################################################################	3695	#############################################################################
3009	# initialisation and cleanup	3696	# initialisation and cleanup
3010		3697
3011	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
3012	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
3013	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
3014	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3015	reentrant => 0,
3016	data => WF_AUTOCANCEL,
3017	signal => $signal,
3018	prio => 0,
3019	cb => sub {
3020	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
3021	},
3022	);	3704	};
3023	}	3705	}
3024	}	3706	}
3025		3707
3026	sub write_runtime {	3708	sub write_runtime_sync {
3027	my $runtime = "$LOCALDIR/runtime";	3709	my $t0 = AE::time;
3028		3710
3029	# first touch the runtime file to show we are still running:	3711	# first touch the runtime file to show we are still running:
3030	# the fsync below can take a very very long time.	3712	# the fsync below can take a very very long time.
3031		3713
3032	IO::AIO::aio_utime $runtime, undef, undef;	3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3033		3715
3034	my $guard = cf::lock_acquire "write_runtime";	3716	my $guard = cf::lock_acquire "write_runtime";
3035		3717
3036	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3037	or return;	3719	or return;
3038		3720
3039	my $value = $cf::RUNTIME + 90 + 10;	3721	my $value = $cf::RUNTIME + 90 + 10;
3040	# 10 is the runtime save interval, for a monotonic clock	3722	# 10 is the runtime save interval, for a monotonic clock
3041	# 60 allows for the watchdog to kill the server.	3723	# 60 allows for the watchdog to kill the server.
…		…
3051	aio_utime $fh, undef, undef;	3733	aio_utime $fh, undef, undef;
3052		3734
3053	close $fh	3735	close $fh
3054	or return;	3736	or return;
3055		3737
3056	aio_rename "$runtime~", $runtime	3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3057	and return;	3739	and return;
3058		3740
3059	warn "runtime file written.\n";	3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3060		3742
3061	1	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
3062	}	3794	}
3063		3795
3064	sub emergency_save() {	3796	sub emergency_save() {
3065	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
3066		3798
3067	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
3068		3805
3069	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
3070	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
3071	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
3072	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
3073	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
3074	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
3075	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
3076	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3077	$pl->save;	3817	$pl->save;
3078	}	3818	}
3079	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
3080		3820
3081	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
3082	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
3083	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
3084	$map->valid or next;	3826	$map->valid or next;
3085	$map->save;	3827	$map->save;
3086	}	3828	}
3087	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
3088		3830
3089	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
3090	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
3091	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
3092	};	3859	};
3093		3860
3094	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
3095	}	3862	}
3096		3863
3097	sub post_cleanup {	3864	sub post_cleanup {
3098	my ($make_core) = @_;	3865	my ($make_core) = @_;
3099		3866
		3867	IO::AIO::flush;
		3868
3100	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
3101	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
3102	}	3899	}
3103		3900
3104	sub do_reload_perl() {	3901	sub do_reload_perl() {
3105	# can/must only be called in main	3902	# can/must only be called in main
3106	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
3107	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
3108	return;	3905	return;
3109	}	3906	}
3110		3907
3111	warn "reloading...";	3908	return if $RELOAD++;
3112		3909
3113	warn "entering sync_job";	3910	my $t1 = AE::time;
3114		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
3115	cf::sync_job {	3918	cf::sync_job {
3116	cf::write_runtime; # external watchdog should not bark
3117	cf::emergency_save;	3919	#cf::emergency_save;
3118	cf::write_runtime; # external watchdog should not bark
3119		3920
3120	warn "syncing database to disk";
3121	BDB::db_env_txn_checkpoint $DB_ENV;
3122
3123	# if anything goes wrong in here, we should simply crash as we already saved
3124
3125	warn "cancelling all WF_AUTOCANCEL watchers";
3126	for (Event::all_watchers) {
3127	$_->cancel if $_->data & WF_AUTOCANCEL;
3128	}
3129
3130	warn "flushing outstanding aio requests";
3131	for (;;) {
3132	BDB::flush;
3133	IO::AIO::flush;
3134	Coro::cede;
3135	last unless IO::AIO::nreqs || BDB::nreqs;
3136	warn "iterate...";
3137	}
3138
3139	++$RELOAD;
3140
3141	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
3142	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
3143	%EXT_CORO = ();	3923	%EXT_CORO = ();
3144		3924
3145	warn "removing commands";	3925	trace "perl_reload: removing commands";
3146	%COMMAND = ();	3926	%COMMAND = ();
3147		3927
3148	warn "removing ext/exti commands";	3928	trace "perl_reload: removing ext/exti commands";
3149	%EXTCMD = ();	3929	%EXTCMD = ();
3150	%EXTICMD = ();	3930	%EXTICMD = ();
3151		3931
3152	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
3153	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
3154	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
3155		3935
3156	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
3157	eval {	3937	eval {
3158	$cb->($pkg);	3938	$cb->($pkg);
3159	1	3939	1
3160	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
3161	}	3945	}
3162		3946
3163	warn "... nuking $pkg";
3164	Symbol::delete_package $pkg;
3165	}
3166
3167	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3168	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
3169	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3170		3950
3171	warn "... unloading $k";	3951	trace "... unloading $k";
3172	delete $INC{$k};	3952	delete $INC{$k};
3173		3953
3174	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
3175	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
3176		3956
3177	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
3178	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
3179	}	3962	}
3180		3963
3181	Symbol::delete_package $k;
3182	}
3183
3184	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
3185	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
3186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3187		3967
3188	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
3189	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
3190	delete $INC{"cf/pod.pm"};	3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3191		3971
3192	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
3193	# and global variables created in xs	3973	# and global variables created in xs
3194	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
3195		3975
3196	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
3197		3977
3198	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
3199	require cf;	3979	require cf;
3200	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
3201		3981
3202	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
3203	cf::cfg_load;	3983	cf::reload_config;
3204		3984
3205	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
3206	cf::load_extensions;	3986	cf::load_extensions;
3207		3987
		3988	if ($REATTACH_ON_RELOAD) {
3208	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
3209	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
3210	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
3211	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
3212	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
3213	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
3214		3996
3215	warn "leaving sync_job";	3997	cf::_post_init 1;
3216		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
3217	1	4001	1
3218	} or do {	4002	} or do {
3219	warn $@;	4003	error $@;
3220	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
3221	exit 1;	4005	};
		4006
		4007	--$RELOAD;
3222	};	4008	}
3223		4009
3224	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
3225	};	4012	};
3226		4013
3227	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
3228		4015
3229	sub reload_perl() {	4016	sub reload_perl() {
3230	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
3231	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
3232		4019
3233	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
3234	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
3235	after => 0,	4022
3236	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3237	cb => sub {
3238	do_reload_perl;	4024	do_reload_perl;
3239	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
3240	},	4026	};
3241	);	4027	};
3242	}	4028	}
3243		4029
3244	register_command "reload" => sub {	4030	register_command "reload" => sub {
3245	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
3246		4032
3247	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
3248	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
3249	async { reload_perl };	4037	reload_perl;
		4038	};
3250	}	4039	}
3251	};	4040	};
3252		4041
3253	unshift @INC, $LIBDIR;	4042	#############################################################################
3254		4043
3255	my $bug_warning = 0;	4044	my $bug_warning = 0;
3256		4045
3257	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
3258	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
3259		4048
3260	sub wait_for_tick {	4049	sub wait_for_tick() {
3261	return unless $TICK_WATCHER->is_active;
3262	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3263		4051
3264	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
3265	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
3266	$signal->wait;	4054	$signal->wait;
3267	}	4055	}
3268		4056
3269	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
3270	return unless $TICK_WATCHER->is_active;
3271	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3272		4059
3273	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
3274	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
3275	$signal->wait;	4062	$signal->wait;
3276	}	4063	}
3277		4064
3278	my $min = 1e6;#d#	4065	sub tick {
3279	my $avg = 10;
3280	$TICK_WATCHER = Event->timer (
3281	reentrant => 0,
3282	parked => 1,
3283	prio => 0,
3284	at => $NEXT_TICK || $TICK,
3285	data => WF_AUTOCANCEL,
3286	cb => sub {
3287	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
3288	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3289	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
3290	return;	4069	return;
3291	}	4070	}
3292		4071
3293	$NOW = $tick_start = Event::time;
3294
3295	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
3296		4073
3297	0 && sync_job {#d#	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3298	for(1..10) {
3299	my $t = Event::time;
3300	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3301	or die;
3302		4075
3303	$map->width (50);	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3304	$map->height (50);	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3305	$map->alloc;	4078	Coro::async_pool {
3306	$map->_load_objects ("/tmp/x.map", 1);	4079	$Coro::current->{desc} = "runtime saver";
3307	my $t = Event::time - $t;	4080	write_runtime_sync
3308		4081	or error "ERROR: unable to write runtime file: $!";
3309	#next unless $t < 0.0013;#d#
3310	if ($t < $min) {
3311	$min = $t;
3312	}
3313	$avg = $avg * 0.99 + $t * 0.01;
3314	}
3315	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3316	exit 0;
3317	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3318	};	4082	};
		4083	}
3319		4084
3320	$RUNTIME += $TICK;
3321	$NEXT_TICK += $TICK;
3322
3323	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3324	$NEXT_RUNTIME_WRITE = $NOW + 10;
3325	Coro::async_pool {
3326	write_runtime
3327	or warn "ERROR: unable to write runtime file: $!";
3328	};
3329	}
3330
3331	# my $AFTER = Event::time;
3332	# warn $AFTER - $NOW;#d#
3333
3334	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3335	$sig->send;	4086	$sig->send;
3336	}	4087	}
3337	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
3338	$sig->send;	4089	$sig->send;
3339	}	4090	}
3340		4091
3341	$NOW = Event::time;	4092	$LOAD = ($NOW - $TICK_START) / $TICK;
3342
3343	# if we are delayed by four ticks or more, skip them all
3344	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3345
3346	$TICK_WATCHER->at ($NEXT_TICK);
3347	$TICK_WATCHER->start;
3348
3349	$LOAD = ($NOW - $tick_start) / $TICK;
3350	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3351		4094
3352	_post_tick;	4095	if (0) {
3353		4096	if ($NEXT_TICK) {
3354		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
3355	},	4101	}
3356	);	4102	}
3357		4103
3358	{	4104	{
3359	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
3360	$BDB_POLL_WATCHER = Event->io (	4106
3361	reentrant => 0,
3362	fd => BDB::poll_fileno,
3363	poll => 'r',
3364	prio => 0,
3365	data => WF_AUTOCANCEL,
3366	cb => \&BDB::poll_cb,
3367	);
3368	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
3369		4108	BDB::max_poll_reqs $TICK * 0.1;
3370	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
3371	my $status;
3372	my $current = $Coro::current;
3373	(
3374	sub {
3375	$status = $!;
3376	$current->ready; undef $current;
3377	},
3378	sub {
3379	Coro::schedule while defined $current;
3380	$! = $status;
3381	},
3382	)
3383	};
3384		4110
3385	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
3386	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3387		4118
3388	cf::sync_job {	4119	cf::sync_job {
3389	eval {	4120	eval {
3390	BDB::db_env_open	4121	BDB::db_env_open
3391	$DB_ENV,	4122	$DB_ENV,
…		…
3393	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3394	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3395	0666;	4126	0666;
3396		4127
3397	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3398
3399	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3400	$DB_ENV->set_lk_detect;
3401	};	4129	};
3402		4130
3403	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
3404	};	4132	};
3405	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
3406	}	4144	}
3407		4145
3408	{	4146	{
		4147	# configure IO::AIO
		4148
3409	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
3410
3411	undef $Coro::AIO::WATCHER;
3412	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
3413	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
3414	reentrant => 0,
3415	data => WF_AUTOCANCEL,
3416	fd => IO::AIO::poll_fileno,
3417	poll => 'r',
3418	prio => 6,
3419	cb => \&IO::AIO::poll_cb,
3420	);
3421	}	4152	}
3422		4153
3423	my $_log_backtrace;	4154	our $_log_backtrace;
		4155	our $_log_backtrace_last;
3424		4156
3425	sub _log_backtrace {	4157	sub _log_backtrace {
3426	my ($msg, @addr) = @_;	4158	my ($msg, @addr) = @_;
3427		4159
3428	$msg =~ s/\n//;	4160	$msg =~ s/\n$//;
3429		4161
		4162	if ($_log_backtrace_last eq $msg) {
		4163	LOG llevInfo, "[ABT] $msg\n";
		4164	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3430	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3431	if ($_log_backtrace < 2) {	4166	} elsif ($_log_backtrace < 2) {
		4167	$_log_backtrace_last = $msg;
3432	++$_log_backtrace;	4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
3433	async {	4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
3434	my @bt = fork_call {	4173	my @bt = fork_call {
3435	@addr = map { sprintf "%x", $_ } @addr;	4174	@addr = map { sprintf "%x", $_ } @addr;
3436	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3437	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3438	or die "addr2line: $!";	4177	or die "addr2line: $!";
…		…
3446	}	4185	}
3447		4186
3448	@funcs	4187	@funcs
3449	};	4188	};
3450		4189
3451	LOG llevInfo, "[ABT] $msg\n";	4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3452	LOG llevInfo, "[ABT] $_\n" for @bt;	4192	LOG llevInfo, "[ABT] $_\n" for @bt;
3453	--$_log_backtrace;	4193	--$_log_backtrace;
3454	};	4194	};
3455	} else {	4195	} else {
3456	LOG llevInfo, "[ABT] $msg\n";	4196	LOG llevInfo, "[ABT] $msg\n";
3457	LOG llevInfo, "[ABT] [suppressed]\n";	4197	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3458	}	4198	}
3459	}	4199	}
3460		4200
3461	# load additional modules	4201	# load additional modules
3462	use cf::pod;	4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
3463		4204
3464	END { cf::emergency_save }	4205	END { cf::emergency_save }
3465		4206
3466	1	4207	1
3467		4208

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