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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
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
…		…
1181	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1182		1397
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1399
1185	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1191	} else {	1415	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1417	}
1194		1418
1195	cf::override;	1419	cf::override;
1196	},	1420	},
1197	);	1421	);
1198		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
1199	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1200	cf::sync_job {	1439	cf::sync_job {
1201	my %todo;	1440	my %todo;
1202		1441
1203	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1204	next unless -r $path;	1443	next unless -r $path;
…		…
1222		1461
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1464
1226	$ext{source} =	1465	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1228	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1229	. $source	1468	. $source
1230	. "\n};\n1";	1469	. "\n};\n1";
1231		1470
1232	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1233	}	1472	}
1234		1473
		1474	my $pass = 0;
1235	my %done;	1475	my %done;
1236	while (%todo) {	1476	while (%todo) {
1237	my $progress;	1477	my $progress;
1238		1478
		1479	++$pass;
		1480
		1481	ext:
1239	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1240	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1241	goto skip	1484	next ext
1242	unless exists $done{$_};	1485	unless exists $done{$_};
1243	}	1486	}
1244		1487
1245	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246		1489
1247	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1248	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1249	: "$v->{base}: extension inactive.\n";
1250		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1252	warn $msg;	1497
1253	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1254	exit 1;	1499	delete $todo{$k};
1255	}	1500	} else {
1256		1501	$done{$k} = delete $todo{$k};
1257	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1258	}	1507	}
1259
1260	$done{$k} = delete $todo{$k};
1261	push @EXTS, $v->{pkg};
1262	$progress = 1;
1263	}	1508	}
1264		1509
1265	skip:	1510	unless ($progress) {
1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267	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	}
1268	}	1518	}
1269	};	1519	};
1270	}	1520	}
1271		1521
1272	#############################################################################	1522	#############################################################################
1273		1523
1274	=back	1524	=back
1275		1525
1276	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1277		1527
1278	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1279		1529
1280	=cut	1530	=cut
1281		1531
1282	package cf::player;	1532	package cf::player;
1283		1533
1284	use Coro::AIO;	1534	use Coro::AIO;
1285		1535
1286	=head3 cf::player	1536	=head3 cf::player
1287		1537
1288	=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	}
1289		1553
1290	=item cf::player::find $login	1554	=item cf::player::find $login
1291		1555
1292	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1293		1557
…		…
1312		1576
1313	sub exists($) {	1577	sub exists($) {
1314	my ($login) = @_;	1578	my ($login) = @_;
1315		1579
1316	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1318	}	1582	}
1319		1583
1320	sub find($) {	1584	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1586	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1597
1334	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1335	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;
1336	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1337	}	1607	}
1338	}	1608	}
1339	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1340		1623
1341	sub save($) {	1624	sub save($) {
1342	my ($pl) = @_;	1625	my ($pl) = @_;
1343		1626
1344	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1349	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1350		1633
1351	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1353		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
1354	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1355	Coro::cede;	1643	cf::cede_to_tick;
1356	}	1644	}
1357		1645
1358	sub new($) {	1646	sub new($) {
1359	my ($login) = @_;	1647	my ($login) = @_;
1360		1648
…		…
1366	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1367		1655
1368	$self	1656	$self
1369	}	1657	}
1370		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
1371	=item $pl->quit_character	1669	=item $pl->quit_character
1372		1670
1373	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1375		1673
…		…
1379	my ($pl) = @_;	1677	my ($pl) = @_;
1380		1678
1381	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1382		1680
1383	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1384	$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
1385		1683
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1387	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1389	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1390		1692
1391	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1393	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1428	or return [];	1730	or return [];
1429		1731
1430	my @logins;	1732	my @logins;
1431		1733
1432	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") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1436		1744
1437	utf8::decode $login;	1745	utf8::decode $login;
1438	push @logins, $login;	1746	push @logins, $login;
1439	}	1747	}
1440		1748
1441	\@logins	1749	\@logins
1442	}	1750	}
1443		1751
1444	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1445		1755
1446	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1447	player. May block.	1757	player. May block.
1448		1758
1449	=cut	1759	=cut
…		…
1467	}	1777	}
1468		1778
1469	\@paths	1779	\@paths
1470	}	1780	}
1471		1781
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1783
1474	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1475		1785
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1523		1787
1524	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1525		1789
1526	=cut	1790	=cut
1527		1791
1528	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1530		1794
1531	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1796	}
1534		1797
1535	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1536		1799
1537	Sends an ext event to the client.	1800	Sends an ext event to the client.
1538		1801
1539	=cut	1802	=cut
1540		1803
1541	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1543		1806
1544	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1545	}	1808	}
1546		1809
1547	=head3 cf::region	1810	=head3 cf::region
1548		1811
1549	=over 4	1812	=over 4
…		…
1558		1821
1559	=cut	1822	=cut
1560		1823
1561	sub find_by_path($) {	1824	sub find_by_path($) {
1562	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1563		1828
1564	my ($match, $specificity);	1829	my ($match, $specificity);
1565		1830
1566	for my $region (list) {	1831	for my $region (list) {
1567	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1593	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1595		1860
1596	sub generate_random_map {	1861	sub generate_random_map {
1597	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1598	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1599	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1603	$rmp->{exit_on_final_map},
1604	$rmp->{xsize}, $rmp->{ysize},
1605	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1606	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1607	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1608	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1609	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1610	(cf::region::find $rmp->{region}), $rmp->{custom}
1611	)
1612	}	1867	}
1613		1868
1614	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1615		1870
1616	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1621		1876
1622	sub register {	1877	sub register {
1623	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1624	my $pkg = caller;	1879	my $pkg = caller;
1625		1880
1626	no strict;
1627	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1628		1882
1629	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1630	}	1884	}
1631		1885
1632	# also paths starting with '/'	1886	# also paths starting with '/'
1633	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1634		1888
1635	sub thawer_merge {	1889	sub thawer_merge {
1636	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1637		1891
1638	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1643	}	1897	}
1644		1898
1645	sub normalise {	1899	sub normalise {
1646	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1647		1901
1648	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1649		1903
1650	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1651		1905
1652	# map plan:	1906	# map plan:
1653	#	1907	#
…		…
1668	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1669	$path = "$base/$path";	1923	$path = "$base/$path";
1670	}	1924	}
1671		1925
1672	for ($path) {	1926	for ($path) {
1673	redo if s{//}{/};
1674	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1675	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1676	}	1929	}
1677		1930
1678	$path	1931	$path
…		…
1692	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1693	return $self;	1946	return $self;
1694	}	1947	}
1695	}	1948	}
1696		1949
1697	Carp::cluck "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1698	()	1951	()
1699	}	1952	}
1700		1953
1701	sub init {	1954	sub init {
1702	my ($self) = @_;	1955	my ($self) = @_;
…		…
1724		1977
1725	# the temporary/swap location	1978	# the temporary/swap location
1726	sub save_path {	1979	sub save_path {
1727	my ($self) = @_;	1980	my ($self) = @_;
1728		1981
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1731	}	1984	}
1732		1985
1733	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1734	sub uniq_path {	1987	sub uniq_path {
1735	my ($self) = @_;	1988	my ($self) = @_;
1736		1989
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1739	}
1740
1741	# and all this just because we cannot iterate over
1742	# all maps in C++...
1743	sub change_all_map_light {
1744	my ($change) = @_;
1745
1746	$_->change_map_light ($change)
1747	for grep $_->outdoor, values %cf::MAP;
1748	}	1992	}
1749		1993
1750	sub decay_objects {	1994	sub decay_objects {
1751	my ($self) = @_;	1995	my ($self) = @_;
1752		1996
…		…
1765		2009
1766	sub load_header_from($) {	2010	sub load_header_from($) {
1767	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1768		2012
1769	utf8::encode $path;	2013	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1775		2022
1776	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1777		2024
1778	1	2025	1
1779	}	2026	}
…		…
1831		2078
1832	sub find;	2079	sub find;
1833	sub find {	2080	sub find {
1834	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1835		2082
		2083	cf::cede_to_tick;
		2084
1836	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1837		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1839		2089
1840	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1841	my $guard = cf::lock_acquire "map_find:$path";
1842	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1843	or return;	2092	or return;
1844		2093
1845	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1846		2095
…		…
1848	or return;	2097	or return;
1849		2098
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1853	$map->reset;	2104	$map->reset;
1854	undef $guard;
1855	return find $path;	2105	return find $path;
1856	}	2106	}
1857		2107
1858	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1859	}	2109	}
1860	}	2110	}
1861		2111
1862	sub pre_load { }	2112	sub pre_load { }
1863	sub post_load { }	2113	#sub post_load { } # XS
1864		2114
1865	sub load {	2115	sub load {
1866	my ($self) = @_;	2116	my ($self) = @_;
1867		2117
1868	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1869		2119
1870	my $path = $self->{path};	2120	my $path = $self->{path};
1871		2121
1872	{	2122	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1874		2124
		2125	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2127
1877	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1878		2129
1879	$self->alloc;	2130	$self->alloc;
1880		2131
1881	$self->pre_load;	2132	$self->pre_load;
1882	Coro::cede;	2133	cf::cede_to_tick;
1883		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1885	or return;	2138	or return;
1886		2139
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1888	if delete $self->{load_original};	2141	if delete $self->{load_original};
1889		2142
1890	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2144	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2147	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1895	}	2151	}
1896	}	2152	}
1897		2153
1898	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1899	# now do the right thing for maps	2157	# now do the right thing for maps
1900	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2160	unless $self->difficulty;
1903	Coro::cede;	2161	cf::cede_to_tick;
1904		2162
1905	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2164	$self->decay_objects;
1907	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1908	$self->update_buttons;	2166	$self->update_buttons;
1909	Coro::cede;	2167	cf::cede_to_tick;
1910	$self->set_darkness_map;
1911	Coro::cede;
1912	$self->activate;	2168	$self->activate;
1913	}	2169	}
1914		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2175	}
1917		2176
1918	$self->post_load;	2177	$self->post_load;
1919	}
1920		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1921	sub customise_for {	2185	sub customise_for {
1922	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1923		2187
1924	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1925	if $self->per_player;	2189	if $self->per_player;
…		…
1929		2193
1930	$self	2194	$self
1931	}	2195	}
1932		2196
1933	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2198	sub load_neighbours {
1935	my ($map) = @_;	2199	my ($map) = @_;
1936		2200
1937	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1938		2202
1939	for (0 .. 3) {	2203	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1941	or next;	2205	or next;
1942	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1943	or next;	2207	or next;
1944	$neigh->load;	2208	$neigh->load;
1945		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2214	}
1949		2215
1950	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1952	or next;	2219	or next;
1953	$neigh->load;	2220	$neigh->load;
1954	}	2221	}
1955	}	2222	}
1956		2223
1957	sub find_sync {	2224	sub find_sync {
1958	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1959		2226
1960	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1961	}	2231	}
1962		2232
1963	sub do_load_sync {	2233	sub do_load_sync {
1964	my ($map) = @_;	2234	my ($map) = @_;
1965		2235
1966	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1967	}	2240	}
1968		2241
1969	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1971		2244
1972	sub find_async {	2245	sub find_async {
1973	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1974		2247
1975	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1976		2249
1977	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2252	}
1980		2253
1981	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1982	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1983	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2261	if (my $map = find $k) {
1986	$map->load;	2262	$map->load if $v;
1987	}	2263	}
1988		2264
1989	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1990	}	2266	}
1991	}	2267	}
1992	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1993	};	2269	};
1994	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1995		2271
1996	()	2272	()
1997	}	2273	}
1998		2274
		2275	# common code, used by both ->save and ->swapout
1999	sub save {	2276	sub _save {
2000	my ($self) = @_;	2277	my ($self) = @_;
2001
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;
2003		2278
2004	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
2005		2280
2006	return unless $self->dirty;	2281	return unless $self->dirty;
2007		2282
…		…
2013	return if $self->{deny_save};	2288	return if $self->{deny_save};
2014		2289
2015	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
2016		2291
2017	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
2019	};	2295	};
		2296
		2297	cf::get_slot 0.02;
2020		2298
2021	if ($uniq) {	2299	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2302	} else {
2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026	}	2304	}
2027	}	2305	}
2028		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
2029	sub swap_out {	2315	sub swap_out {
2030	my ($self) = @_;	2316	my ($self) = @_;
2031		2317
2032	# save first because save cedes
2033	$self->save;
2034
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
2037	return if $self->players;	2322	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
2039	return if $self->{deny_save};
2040		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
2041	$self->clear;	2333	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2334	}
2044		2335
2045	sub reset_at {	2336	sub reset_at {
2046	my ($self) = @_;	2337	my ($self) = @_;
2047		2338
…		…
2065		2356
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2358
2068	return if $self->players;	2359	return if $self->players;
2069		2360
2070	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
2071		2362
2072	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
2073		2364
2074	# need to save uniques path	2365	# need to save uniques path
2075	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2079	if $uniq;	2370	if $uniq;
2080	}	2371	}
2081		2372
2082	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2083		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2377	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2378
2088	$self->unlink_save;	2379	$self->unlink_save;
2089	$self->destroy;	2380	$self->destroy;
2090	}	2381	}
2091		2382
2092	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2093		2384
2094	sub nuke {	2385	sub nuke {
2095	my ($self) = @_;	2386	my ($self) = @_;
2096		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2097	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2098		2392
2099	$self->unlink_save;	2393	$self->unlink_save;
2100		2394
2101	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2102	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2400
2107	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2108		2403
2109	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2110	}	2405	}
2111		2406
2112	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2154		2449
2155	sub unique_maps() {	2450	sub unique_maps() {
2156	[	2451	[
2157	map {	2452	map {
2158	utf8::decode $_;	2453	utf8::decode $_;
2159	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2160	? normalise $_	2457	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2459	]
2164	}	2460	}
2165		2461
2166	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2167		2493
2168	=back	2494	=back
2169		2495
2170	=head3 cf::object	2496	=head3 cf::object
2171		2497
…		…
2175		2501
2176	=over 4	2502	=over 4
2177		2503
2178	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2179		2505
2180	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2181		2508
2182	=cut	2509	=cut
2183		2510
2184	sub inv_recursive_;	2511	sub inv_recursive_;
2185	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2188		2515
2189	sub inv_recursive {	2516	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2191	}	2518	}
2192		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2193	package cf;	2548	package cf;
2194		2549
2195	=back	2550	=back
2196		2551
2197	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2203	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2205	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2206		2561
2207	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2208		2577
2209	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2579	# with dialog boxes.
2211	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2212	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2219		2588
2220	} else {	2589	} else {
2221	my $pl = $self->contr;	2590	my $pl = $self->contr;
2222		2591
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2595
2232	} else {	2596	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2599	}
2236	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2237	}	2611	}
2238		2612
2239	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2240		2614
2241	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2254		2628
2255	=item $player_object->enter_link	2629	=item $player_object->enter_link
2256		2630
2257	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2258		2632
2259	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2260	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2261		2637
2262	Will never block.	2638	Will never block.
2263		2639
2264	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2265		2641
…		…
2285	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2286	my ($self) = @_;	2662	my ($self) = @_;
2287		2663
2288	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2289		2665
		2666	++$self->{_link_recursion};
		2667
2290	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2291		2669
2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2293	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2294		2672
2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2296	}	2674	}
2297		2675
2298	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2299	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2300		2678
…		…
2317	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2318	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2319		2697
2320	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2323		2701
2324	$map->load;	2702	$map->load;
2325	$map->load_diag;	2703	$map->load_neighbours;
2326		2704
2327	return unless $self->contr->active;	2705	return unless $self->contr->active;
2328	$self->activate_recursive;
2329		2706
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2332	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2333		2714
		2715	}
		2716
2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2335		2718
2336	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2337	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2338	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2339	the new (success) or old (failed) map position. In either case, $done will	2722	the new (success) or old (failed) map position. In either case, $done will
2340	be called at the end of this process.	2723	be called at the end of this process.
2341		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
2342	=cut	2728	=cut
2343		2729
2344	our $GOTOGEN;	2730	our $GOTOGEN;
2345		2731
2346	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2347	my ($self, $path, $x, $y, $check, $done) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
2348		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
2349	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2743
2352	$self->enter_link;	2744	$self->enter_link;
2353		2745
2354	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2355	my $map = eval {	2768	my $map = eval {
2356	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2357		2770
2358	if ($map) {	2771	if ($map) {
2359	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2361	} else {	2774	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2776	}
2364		2777
2365	$map	2778	$map
2366	};	2779	};
2367		2780
…		…
2373	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2374	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2375	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2376	}	2789	}
2377		2790
2378	$done->() if $done;	2791	$done->($self) if $done;
2379	})->prio (1);	2792	})->prio (1);
2380	}	2793	}
2381		2794
2382	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2383		2796
…		…
2403	}	2816	}
2404		2817
2405	sub prepare_random_map {	2818	sub prepare_random_map {
2406	my ($exit) = @_;	2819	my ($exit) = @_;
2407		2820
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2823	# that depends on the exit object
2413		2824
2414	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2827	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2421	}	2834	}
2422		2835
2423	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2424		2837
2425	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2428		2841
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2844	undef $fh;
2432	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2433		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2436	}	2853	}
2437	}	2854	}
2438		2855
2439	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2441		2858
2442	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2443		2860
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2861	$self->enter_link;
2456		2862
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2863	(async {
2462	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2463	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2464	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2465		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2466	1;	2887	1
2467	}) {	2888	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2470	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2893
2473	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2474	$self->leave_link;	2895	$self->leave_link;
2475	}	2896	}
2476	})->prio (1);	2897	})->prio (1);
2477	}	2898	}
2478		2899
…		…
2490	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
2491	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
2492		2913
2493	utf8::encode $text;	2914	utf8::encode $text;
2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2916	}
		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
2495	}	2941	}
2496		2942
2497	=item $client->send_msg ($channel, $msg, $color, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2498		2944
2499	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2503		2949
2504	=cut	2950	=cut
2505		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2506	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2508		3068
2509	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
2510		3071
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
2513	if (ref $channel) {	3081	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	3082	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	3083	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	3084	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	3085	$self->ext_msg (channel_info => $channel);
2518	}	3086	}
2519		3087
2520	$channel = $channel->{id};	3088	$channel = $channel->{id};
2521	}	3089	}
2522		3090
2523	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2524		3092
2525	if ($self->can_msg) {	3093	# default colour, mask it out
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	} else {	3095	if $color & cf::NDI_DEF;
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3096
2538	if ($color >= 0) {	3097	my $pkt = "msg "
2539	if (0 && $msg =~ /\[/) {	3098	. $self->{json_coder}->encode (
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	3100	);
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")
2544	}
2545	}
2546	}
2547	}
2548		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2549	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2550		3106
2551	Sends an ext event to the client.	3107	Sends an ext event to the client.
2552		3108
2553	=cut	3109	=cut
2554		3110
2555	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2557		3113
2558	return unless $self->extcmd;	3114	if ($self->extcmd == 2) {
2559		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2562	}	3138	}
2563		3139
2564	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2565		3141
2566	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2622		3198
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		3200
2625	if (ref $msg) {	3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2632	} else {	3216	} else {
2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634	}	3218	}
2635		3219
2636	cf::override;	3220	cf::override;
2637	},	3221	},
2638	);	3222	);
…		…
2658		3242
2659	$coro	3243	$coro
2660	}	3244	}
2661		3245
2662	cf::client->attach (	3246	cf::client->attach (
2663	on_destroy => sub {	3247	on_client_destroy => sub {
2664	my ($ns) = @_;	3248	my ($ns) = @_;
2665		3249
2666	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2667	},	3251	},
2668	);	3252	);
…		…
2683	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2685		3269
2686	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2687		3271
2688	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2689		3277
2690	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2691		3279
2692	=pod	3280	=pod
2693		3281
2694	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2695		3283
2696	cf::object	3284	cf::object
2697	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2698	insert remove	3286	insert remove name archname title slaying race decrease split
		3287	value
2699		3288
2700	cf::object::player	3289	cf::object::player
2701	player	3290	player
2702		3291
2703	cf::player	3292	cf::player
…		…
2708		3297
2709	=cut	3298	=cut
2710		3299
2711	for (	3300	for (
2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713	insert remove)],	3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2714	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2716	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2717	) {	3307	) {
2718	no strict 'refs';
2719	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2720	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2721	for @funs;	3310	for @funs;
2722	}	3311	}
2723		3312
…		…
2738		3327
2739	my $qcode = $code;	3328	my $qcode = $code;
2740	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2741	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2742		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2743	local $_;	3335	local $_;
2744	local @safe::cf::_safe_eval_args = values %vars;
2745		3336
2746	my $eval =	3337	my $eval =
2747	"do {\n"	3338	"do {\n"
2748	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2749	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2750	. $code	3341	. $code
2751	. "\n}"	3342	. "\n}"
2752	;	3343	;
2753		3344
		3345	if ($CFG{safe_eval}) {
2754	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2755	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2756	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2757		3354
2758	if ($@) {	3355	if ($@) {
2759	warn "$@";	3356	warn "$@",
2760	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2761	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2762	}	3359	}
2763		3360
2764	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2765	}	3362	}
2766		3363
…		…
2780	=cut	3377	=cut
2781		3378
2782	sub register_script_function {	3379	sub register_script_function {
2783	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2784		3381
2785	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2786	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2787	}	3384	}
2788		3385
2789	=back	3386	=back
2790		3387
2791	=cut	3388	=cut
…		…
2794	# the server's init and main functions	3391	# the server's init and main functions
2795		3392
2796	sub load_facedata($) {	3393	sub load_facedata($) {
2797	my ($path) = @_;	3394	my ($path) = @_;
2798		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2799	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2800		3403
2801	my $facedata;
2802	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2803	or die "$path: $!";	3405	or die "$path: $!";
2804		3406
2805	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2806		3408
2807	$facedata->{version} == 2	3409	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2810	{	3421	{
2811	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2812		3423
2813	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2815	cf::face::set_visibility $idx, $info->{visibility};	3427	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2819		3432
2820	cf::cede_to_tick;	3433	cf::cede_to_tick;
2821	}	3434	}
2822		3435
2823	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2825	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2826	or next;	3440	or next;
		3441
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3443	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3445	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2832	}	3447	}
2833		3448
2834	cf::cede_to_tick;	3449	cf::cede_to_tick;
2835	}	3450	}
2836	}	3451	}
…		…
2845		3460
2846	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2847	}	3462	}
2848		3463
2849	{	3464	{
2850	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3465	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3466
2855	while (my ($name, $info) = each %$res) {	3467	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3468	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2863		3470
2864	if ($name =~ /\.jpg$/) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3472	cf::face::set_type $idx, $info->{type};
2867	} else {	3473	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3474	$RESOURCE{$name} = $info; # unused
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3475	}
2874		3476
2875	cf::cede_to_tick;	3477	cf::cede_to_tick;
2876	}	3478	}
2877	}	3479	}
2878		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2879	1	3483	1
2880	}	3484	}
2881		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2882	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2883	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
2885		3511
2886	for (cf::region::list) {	3512	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3513	$_->{match} = qr/$_->{match}/
…		…
2895	}	3521	}
2896		3522
2897	sub reload_archetypes {	3523	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3526	}
2906		3527
2907	sub reload_treasures {	3528	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2910	}	3531	}
2911		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2912	sub reload_resources {	3556	sub reload_resources {
2913	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2914		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2915	reload_regions;	3564	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3565	reload_treasures;
2920		3566
2921	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2922	}	3568	}
2923		3569
2924	sub init {	3570	sub reload_config {
2925	reload_resources;	3571	trace "reloading config file...\n";
2926	}
2927		3572
2928	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2930	or return;
2931		3575
2932	local $/;	3576	utf8::decode $config;
2933	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2934		3578
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2936		3580
2937	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2939		3583
2940	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2944	};	3588	};
2945	warn $@ if $@;	3589	warn $@ if $@;
2946	}	3590	}
2947	}	3591	}
2948		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2949	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2950	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953	(async {	3634	(async {
2954	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2956	};	3638	};
2957		3639
2958	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2959	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2960	load_extensions;	3663	load_extensions;
2961		3664
2962	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2963	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2964	}	3683	}
2965		3684
2966	#############################################################################	3685	#############################################################################
2967	# initialisation and cleanup	3686	# initialisation and cleanup
2968		3687
2969	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2970	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2979	},
2980	);	3694	};
2981	}	3695	}
2982	}	3696	}
2983		3697
2984	sub write_runtime {	3698	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
2986		3700
2987	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
2989		3703
2990	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3705
2992	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
2993		3707
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2995	or return;	3709	or return;
2996		3710
2997	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
3010		3724
3011	close $fh	3725	close $fh
3012	or return;	3726	or return;
3013		3727
3014	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3729	and return;
3016		3730
3017	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3018		3732
3019	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
3020	}	3784	}
3021		3785
3022	sub emergency_save() {	3786	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
3024		3788
3025	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
3026		3795
3027	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
3028	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3807	$pl->save;
3036	}	3808	}
3037	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
3038		3810
3039	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3816	$map->valid or next;
3043	$map->save;	3817	$map->save;
3044	}	3818	}
3045	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
3046		3820
3047	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
3049	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
3050	};	3849	};
3051		3850
3052	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
3053	}	3852	}
3054		3853
3055	sub post_cleanup {	3854	sub post_cleanup {
3056	my ($make_core) = @_;	3855	my ($make_core) = @_;
3057		3856
		3857	IO::AIO::flush;
		3858
3058	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
3059	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
3060	}	3889	}
3061		3890
3062	sub do_reload_perl() {	3891	sub do_reload_perl() {
3063	# can/must only be called in main	3892	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
3065	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
3066	return;	3895	return;
3067	}	3896	}
3068		3897
3069	warn "reloading...";	3898	return if $RELOAD++;
3070		3899
3071	warn "entering sync_job";	3900	my $t1 = AE::time;
3072		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
3073	cf::sync_job {	3908	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark
3075	cf::emergency_save;	3909	#cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark
3077		3910
3078	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;
3080
3081	# if anything goes wrong in here, we should simply crash as we already saved
3082
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;
3094	warn "iterate...";
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();	3913	%EXT_CORO = ();
3102		3914
3103	warn "removing commands";	3915	trace "perl_reload: removing commands";
3104	%COMMAND = ();	3916	%COMMAND = ();
3105		3917
3106	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
3107	%EXTCMD = ();	3919	%EXTCMD = ();
3108	%EXTICMD = ();	3920	%EXTICMD = ();
3109		3921
3110	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
3113		3925
3114	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
3115	eval {	3927	eval {
3116	$cb->($pkg);	3928	$cb->($pkg);
3117	1	3929	1
3118	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
3119	}	3935	}
3120		3936
3121	warn "... nuking $pkg";
3122	Symbol::delete_package $pkg;
3123	}
3124
3125	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3126	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3940
3129	warn "... unloading $k";	3941	trace "... unloading $k";
3130	delete $INC{$k};	3942	delete $INC{$k};
3131		3943
3132	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
3134		3946
3135	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
3136	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
3137	}	3952	}
3138		3953
3139	Symbol::delete_package $k;
3140	}
3141
3142	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145		3957
3146	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3149		3961
3150	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3963	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3153		3965
3154	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3155		3967
3156	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3157	require cf;	3969	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3159		3971
3160	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3161	cf::cfg_load;	3973	cf::reload_config;
3162		3974
3163	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3164	cf::load_extensions;	3976	cf::load_extensions;
3165		3977
		3978	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3172		3986
3173	warn "leaving sync_job";	3987	cf::_post_init 1;
3174		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3175	1	3991	1
3176	} or do {	3992	} or do {
3177	warn $@;	3993	error $@;
3178	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3179	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3180	};	3998	}
3181		3999
3182	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3183	};	4002	};
3184		4003
3185	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3186		4005
3187	sub reload_perl() {	4006	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3190		4009
3191	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	4012
3194	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	4014	do_reload_perl;
3197	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3198	},	4016	};
3199	);	4017	};
3200	}	4018	}
3201		4019
3202	register_command "reload" => sub {	4020	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3204		4022
3205	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	4027	reload_perl;
		4028	};
3208	}	4029	}
3209	};	4030	};
3210		4031
3211	unshift @INC, $LIBDIR;	4032	#############################################################################
3212		4033
3213	my $bug_warning = 0;	4034	my $bug_warning = 0;
3214		4035
3215	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3217		4038
3218	sub wait_for_tick {	4039	sub wait_for_tick() {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3221		4041
3222	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	4044	$signal->wait;
3225	}	4045	}
3226		4046
3227	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3230		4049
3231	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	4052	$signal->wait;
3234	}	4053	}
3235		4054
3236	my $min = 1e6;#d#	4055	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3248	return;	4059	return;
3249	}	4060	}
3250		4061
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3254		4063
3255	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3256	for(1..10) {
3257	my $t = Event::time;
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3259	or die;
3260		4065
3261	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3262	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3263	$map->alloc;	4068	Coro::async_pool {
3264	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3265	my $t = Event::time - $t;	4070	write_runtime_sync
3266		4071	or error "ERROR: unable to write runtime file: $!";
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	4072	};
		4073	}
3277		4074
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	4076	$sig->send;
3294	}	4077	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	4079	$sig->send;
3297	}	4080	}
3298		4081
3299	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		4084
3310	_post_tick;	4085	if (0) {
3311		4086	if ($NEXT_TICK) {
3312		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3313	},	4091	}
3314	);	4092	}
3315		4093
3316	{	4094	{
3317	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	4096
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3327		4098	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		4100
3343	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3344	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345		4108
3346	cf::sync_job {	4109	cf::sync_job {
3347	eval {	4110	eval {
3348	BDB::db_env_open	4111	BDB::db_env_open
3349	$DB_ENV,	4112	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	4116	0666;
3354		4117
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	4119	};
3360		4120
3361	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	4122	};
3363	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3364	}	4134	}
3365		4135
3366	{	4136	{
		4137	# configure IO::AIO
		4138
3367	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	4142	}
3380		4143
3381	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3382		4146
3383	sub _log_backtrace {	4147	sub _log_backtrace {
3384	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3385		4149
3386	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3387		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3388	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3390	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3391	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3392	my @bt = fork_call {	4163	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3404	}	4175	}
3405		4176
3406	@funcs	4177	@funcs
3407	};	4178	};
3408		4179
3409	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	4183	--$_log_backtrace;
3412	};	4184	};
3413	} else {	4185	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3415	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3416	}	4188	}
3417	}	4189	}
3418		4190
3419	# load additional modules	4191	# load additional modules
3420	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3421		4194
3422	END { cf::emergency_save }	4195	END { cf::emergency_save }
3423		4196
3424	1	4197	1
3425		4198

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