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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
172	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
173		247
174	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	250	that call.
177		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
178	=back	258	=back
179		259
180	=cut	260	=cut
181		261
182	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	269	my $msg = join "", @_;
185		270
186	$msg .= "\n"	271	$msg .= "\n"
187	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
188		273
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		275
191	utf8::encode $msg;
192	LOG llevError, $msg;	276	LOG llevWarn, $msg;
193	};	277	};
194	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
195		292
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	303	for my $pkg (qw(
207	cf::global cf::attachable	304	cf::global cf::attachable
208	cf::object cf::object::player	305	cf::object cf::object::player
209	cf::client cf::player	306	cf::client cf::player
210	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
211	cf::map cf::party cf::region	309	cf::party cf::region
212	)) {	310	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	312	}
216		313
217	$Event::DIED = sub {	314	$EV::DIED = sub {
218	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
219	};	316	};
220		317
221	#############################################################################	318	#############################################################################
222		319
223	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	343	$d
247	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
248	}	345	}
249		346
250	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
251		348
252	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
253		350
254	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
255		352
256	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
257		354
258	=cut	355	=cut
259		356
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		358
262	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
264		404
265	=item cf::lock_wait $string	405	=item cf::lock_wait $string
266		406
267	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
268		408
269	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
270		410
271	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
274	returned.	414	returned.
275		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
276	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
278		421
279	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
280		423
281	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
282		425
283	=cut	426	=cut
284		427
285	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
286		429
287	sub lock_wait($) {	430	sub lock_wait($) {
288	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	432	}
296		433
297	sub lock_acquire($) {	434	sub lock_acquire($) {
298	my ($key) = @_;	435	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	436	}
310		437
311	sub lock_active($) {	438	sub lock_active($) {
312	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	440	}
316		441
317	sub freeze_mainloop {	442	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
319		444
320	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	446	}
322	};	447
323	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
324	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
325	}	461	}
326		462
327	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
328		464
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		473
338	=cut	474	=cut
339		475
340	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
342		479
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
345	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
346		486
347	while () {	487	while () {
348	next_job:	488	next_job:
		489
349	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	491
351	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	496	$job->[2]->send;
355	Coro::cede;	497	Coro::cede;
356	goto next_job;	498	goto next_job;
357	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	501	}
359	}	502	}
360		503
361	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	507	$signal->wait;
365	} else {	508	} else {
		509	$busy = 0;
366	Coro::schedule;	510	Coro::schedule;
367	}	511	}
368	}	512	}
369	};	513	};
370		514
371	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
372	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
373		519
374	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
375	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
376		523
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
390		537
391	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
392		539
393	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
394		541
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	545	acceptable.
399		546
400	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
405	=cut	552	=cut
406		553
407	sub sync_job(&) {	554	sub sync_job(&) {
408	my ($job) = @_;	555	my ($job) = @_;
409		556
410	if ($Coro::current == $Coro::main) {	557	if (in_main) {
411	my $time = Event::time;	558	my $time = AE::time;
412		559
413	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
415		562
416	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	564
418	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
419		566
420	my $busy = 1;	567	my $busy = 1;
421	my @res;	568	my @res;
422		569
423	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	572	@res = eval { $job->() };
425	warn $@ if $@;	573	error $@ if $@;
426	undef $busy;	574	undef $busy;
427	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
428		576
429	while ($busy) {	577	while ($busy) {
430	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
431	}	582	}
		583	}
432		584
433	$time = Event::time - $time;	585	my $time = AE::time - $time;
434		586
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
439		588
440	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
441	} else {	590	} else {
442	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
443		592
…		…
463	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
464		613
465	$coro	614	$coro
466	}	615	}
467		616
468	=item fork_call { }, $args	617	=item fork_call { }, @args
469		618
470	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
474		623
475	=cut	624	=cut
476		625
477	sub _store_scalar {	626	sub post_fork {
478	open my $fh, ">", \my $buf	627	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	628	}
485		629
486	sub fork_call(&@) {	630	sub fork_call(&@) {
487	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
488		632
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		636
494	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
495	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
496		641
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	643	}
499	$res = Coro::Storable::thaw $res;
500		644
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
528	}	681	}
529		682
530	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
531		684
532	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
535		688
536	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
539	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
540		718
541	our $DB;	719	our $DB;
542		720
543	sub db_init {	721	sub db_init {
544	unless ($DB) {	722	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	723	}
559		724
560	sub db_get($$) {	725	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
562		727
563	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
564	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
565		732
566	$! ? ()	733	$! ? ()
567	: $data	734	: $data
568	}
569	}	735	}
570		736
571	sub db_put($$$) {	737	sub db_put($$$) {
572	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
612	if (1) {	778	if (1) {
613	$md5 =	779	$md5 =
614	join "\x00",	780	join "\x00",
615	$processversion,	781	$processversion,
616	map {	782	map {
617	Coro::cede;	783	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	785	} 0.. $#$src;
620		786
621		787
622	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		795
630	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	797	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
633		799
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		801
636	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
639		805
…		…
649		815
650	=cut	816	=cut
651		817
652	sub datalog($@) {	818	sub datalog($@) {
653	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	821	}
656		822
657	=back	823	=back
658		824
659	=cut	825	=cut
660		826
661	#############################################################################	827	#############################################################################
662		828
663	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
664		830
665	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
668		834
669	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	837	Deliantra).
672		838
673	=over 4	839	=over 4
674		840
675	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
676		842
…		…
720	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
721		887
722	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
724		890
725	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
727		893
728	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
729		895
730	=over 4	896	=over 4
…		…
854		1020
855	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1023
858	} elsif (ref $type) {	1024	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
860		1026
861	} else {	1027	} else {
862	shift @arg;	1028	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
864	}	1030	}
865	}	1031	}
866	}	1032	}
867		1033
868	sub _object_attach {	1034	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
879	}	1045	}
880		1046
881	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
882	} else {	1048	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1050	}
885		1051
886	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
887	}	1053	}
888		1054
…		…
947		1113
948	for (@$callbacks) {	1114	for (@$callbacks) {
949	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
950		1116
951	if ($@) {	1117	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1119	override;
955	}	1120	}
956		1121
957	return 1 if $override;	1122	return 1 if $override;
958	}	1123	}
959		1124
960	0	1125	0
961	}	1126	}
962		1127
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1129
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1131
967	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
968		1133
…		…
974		1139
975	=cut	1140	=cut
976		1141
977	#############################################################################	1142	#############################################################################
978	# object support	1143	# object support
979	#
980		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
981	sub _can_merge {	1178	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
983		1180
984	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1182
988	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
989	}	1185	}
990		1186
991	sub reattach {	1187	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1189	my ($obj) = @_;
994		1190
		1191	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1193
997	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
998		1195
999	@$registry = ();	1196	@$registry = ();
1000		1197
…		…
1005	for (@$attach) {	1202	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
1008	}	1205	}
1009	} else {	1206	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1208	}
1012	}	1209	}
1013	}	1210	}
1014		1211
1015	cf::attachable->attach (	1212	cf::attachable->attach (
1016	prio => -1000000,	1213	prio => -1000000,
1017	on_instantiate => sub {	1214	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
1019		1216
1020	$data = from_json $data;	1217	$data = decode_json $data;
1021		1218
1022	for (@$data) {	1219	for (@$data) {
1023	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
1024		1221
1025	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1238	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1043		1240
1044	sync_job {	1241	sync_job {
1045	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1048		1247
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
1053	close $fh;	1255	aio_close $fh;
1054		1256
1055	if (@$objs) {	1257	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
1061	close $fh;	1266	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1268	}
1064	} else {	1269	} else {
1065	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1066	}	1271	}
1067		1272
1068	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1277	} else {
1070	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1071	}	1279	}
1072	} else {	1280	} else {
1073	aio_unlink $filename;	1281	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1075	}	1283	}
1076	}	1284	};
1077	}	1285	}
1078		1286
1079	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1081		1289
…		…
1093	or return;	1301	or return;
1094		1302
1095	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1305	or return;
		1306
1098	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1099	}	1309	}
1100		1310
		1311	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1103	return ($data, $av);	1316	($data, $av)
1104	}	1317	}
1105		1318
1106	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1107		1320
1108	=over 4	1321	=over 4
…		…
1162	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1163		1376
1164	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1165	}	1378	}
1166		1379
		1380	use File::Glob ();
		1381
1167	cf::player->attach (	1382	cf::player->attach (
1168	on_command => sub {	1383	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1170		1385
1171	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1172	or return;	1387	or return;
1173		1388
…		…
1186	my ($type, $reply, @payload) =	1401	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1402	"ARRAY" eq ref $msg
1188	? @$msg	1403	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1405
		1406	my @reply;
		1407
1191	if (my $cb = $EXTCMD{$type}) {	1408	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1409	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1197	} else {	1415	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1417	}
1200		1418
1201	cf::override;	1419	cf::override;
1202	},	1420	},
1203	);	1421	);
1204		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1205	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1206	cf::sync_job {	1439	cf::sync_job {
1207	my %todo;	1440	my %todo;
1208		1441
1209	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1443	next unless -r $path;
…		…
1228		1461
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1464
1232	$ext{source} =	1465	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1235	. $source	1468	. $source
1236	. "\n};\n1";	1469	. "\n};\n1";
1237		1470
1238	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1239	}	1472	}
1240		1473
		1474	my $pass = 0;
1241	my %done;	1475	my %done;
1242	while (%todo) {	1476	while (%todo) {
1243	my $progress;	1477	my $progress;
1244		1478
		1479	++$pass;
		1480
		1481	ext:
1245	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1484	next ext
1248	unless exists $done{$_};	1485	unless exists $done{$_};
1249	}	1486	}
1250		1487
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1489
1253	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1258	warn $msg;	1497
1259	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1499	delete $todo{$k};
1261	}	1500	} else {
1262		1501	$done{$k} = delete $todo{$k};
1263	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1264	}	1507	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1508	}
1270		1509
1271	skip:	1510	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1274	}	1518	}
1275	};	1519	};
1276	}	1520	}
1277		1521
1278	#############################################################################	1522	#############################################################################
1279		1523
1280	=back	1524	=back
1281		1525
1282	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1283		1527
1284	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1285		1529
1286	=cut	1530	=cut
1287		1531
1288	package cf::player;	1532	package cf::player;
1289		1533
1290	use Coro::AIO;	1534	use Coro::AIO;
1291		1535
1292	=head3 cf::player	1536	=head3 cf::player
1293		1537
1294	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1295		1553
1296	=item cf::player::find $login	1554	=item cf::player::find $login
1297		1555
1298	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1299		1557
…		…
1318		1576
1319	sub exists($) {	1577	sub exists($) {
1320	my ($login) = @_;	1578	my ($login) = @_;
1321		1579
1322	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1324	}	1582	}
1325		1583
1326	sub find($) {	1584	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1586	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1597
1340	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1343	}	1607	}
1344	}	1608	}
1345	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1346		1623
1347	sub save($) {	1624	sub save($) {
1348	my ($pl) = @_;	1625	my ($pl) = @_;
1349		1626
1350	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1356		1633
1357	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1359		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1360	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1361	Coro::cede;	1643	cf::cede_to_tick;
1362	}	1644	}
1363		1645
1364	sub new($) {	1646	sub new($) {
1365	my ($login) = @_;	1647	my ($login) = @_;
1366		1648
…		…
1372	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1373		1655
1374	$self	1656	$self
1375	}	1657	}
1376		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1377	=item $pl->quit_character	1669	=item $pl->quit_character
1378		1670
1379	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1381		1673
…		…
1385	my ($pl) = @_;	1677	my ($pl) = @_;
1386		1678
1387	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1388		1680
1389	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1683
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1395	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1396		1692
1397	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1434	or return [];	1730	or return [];
1435		1731
1436	my @logins;	1732	my @logins;
1437		1733
1438	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1442		1744
1443	utf8::decode $login;	1745	utf8::decode $login;
1444	push @logins, $login;	1746	push @logins, $login;
1445	}	1747	}
1446		1748
1447	\@logins	1749	\@logins
1448	}	1750	}
1449		1751
1450	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1451		1755
1452	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1453	player. May block.	1757	player. May block.
1454		1758
1455	=cut	1759	=cut
…		…
1473	}	1777	}
1474		1778
1475	\@paths	1779	\@paths
1476	}	1780	}
1477		1781
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1783
1480	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1785
1528	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1529		1787
1530	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1531		1789
1532	=cut	1790	=cut
1533		1791
1534	sub ext_reply($$@) {	1792	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1793	my ($self, $id, @msg) = @_;
1536		1794
1537	if ($self->ns->extcmd == 2) {	1795	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1796	}
1545		1797
1546	=item $player->ext_msg ($type, @msg)	1798	=item $player->ext_msg ($type, @msg)
1547		1799
1548	Sends an ext event to the client.	1800	Sends an ext event to the client.
…		…
1569		1821
1570	=cut	1822	=cut
1571		1823
1572	sub find_by_path($) {	1824	sub find_by_path($) {
1573	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1574		1828
1575	my ($match, $specificity);	1829	my ($match, $specificity);
1576		1830
1577	for my $region (list) {	1831	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1606		1860
1607	sub generate_random_map {	1861	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1609	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1867	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1632		1889
1633	sub register {	1890	sub register {
1634	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	1892	my $pkg = caller;
1636		1893
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		1895
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	1897	}
1642		1898
1643	# also paths starting with '/'	1899	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		1901
1646	sub thawer_merge {	1902	sub thawer_merge {
1647	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1648		1904
1649	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1654	}	1910	}
1655		1911
1656	sub normalise {	1912	sub normalise {
1657	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1658		1914
1659	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1660		1916
1661	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1662		1918
1663	# map plan:	1919	# map plan:
1664	#	1920	#
…		…
1679	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	1936	$path = "$base/$path";
1681	}	1937	}
1682		1938
1683	for ($path) {	1939	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1687	}	1942	}
1688		1943
1689	$path	1944	$path
…		…
1703	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1704	return $self;	1959	return $self;
1705	}	1960	}
1706	}	1961	}
1707		1962
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	1964	()
1710	}	1965	}
1711		1966
1712	sub init {	1967	sub init {
1713	my ($self) = @_;	1968	my ($self) = @_;
…		…
1735		1990
1736	# the temporary/swap location	1991	# the temporary/swap location
1737	sub save_path {	1992	sub save_path {
1738	my ($self) = @_;	1993	my ($self) = @_;
1739		1994
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1742	}	1997	}
1743		1998
1744	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1745	sub uniq_path {	2000	sub uniq_path {
1746	my ($self) = @_;	2001	my ($self) = @_;
1747		2002
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2005	}
1760		2006
1761	sub decay_objects {	2007	sub decay_objects {
1762	my ($self) = @_;	2008	my ($self) = @_;
1763		2009
…		…
1776		2022
1777	sub load_header_from($) {	2023	sub load_header_from($) {
1778	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1779		2025
1780	utf8::encode $path;	2026	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1786		2035
1787	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1788		2037
1789	1	2038	1
1790	}	2039	}
…		…
1842		2091
1843	sub find;	2092	sub find;
1844	sub find {	2093	sub find {
1845	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1846		2095
		2096	cf::cede_to_tick;
		2097
1847	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1848		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2102
1851	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1854	or return;	2105	or return;
1855		2106
1856	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1857		2108
…		…
1859	or return;	2110	or return;
1860		2111
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1864	$map->reset;	2117	$map->reset;
1865	undef $guard;
1866	return find $path;	2118	return find $path;
1867	}	2119	}
1868		2120
1869	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1870	}	2122	}
1871	}	2123	}
1872		2124
1873	sub pre_load { }	2125	sub pre_load { }
1874	sub post_load { }	2126	#sub post_load { } # XS
1875		2127
1876	sub load {	2128	sub load {
1877	my ($self) = @_;	2129	my ($self) = @_;
1878		2130
1879	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1880		2132
1881	my $path = $self->{path};	2133	my $path = $self->{path};
1882		2134
1883	{	2135	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1885		2137
		2138	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2140
1888	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1889		2142
1890	$self->alloc;	2143	$self->alloc;
1891		2144
1892	$self->pre_load;	2145	$self->pre_load;
1893	Coro::cede;	2146	cf::cede_to_tick;
1894		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1896	or return;	2151	or return;
1897		2152
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1899	if delete $self->{load_original};	2154	if delete $self->{load_original};
1900		2155
1901	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2157	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2160	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1906	}	2164	}
1907	}	2165	}
1908		2166
1909	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1910	# now do the right thing for maps	2170	# now do the right thing for maps
1911	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2173	unless $self->difficulty;
1914	Coro::cede;	2174	cf::cede_to_tick;
1915		2175
1916	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2177	$self->decay_objects;
1918	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1919	$self->update_buttons;	2179	$self->update_buttons;
1920	Coro::cede;	2180	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2181	$self->activate;
1924	}	2182	}
1925		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2188	}
1928		2189
1929	$self->post_load;	2190	$self->post_load;
1930	}
1931		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2198	sub customise_for {
1933	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1934		2200
1935	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2202	if $self->per_player;
…		…
1940		2206
1941	$self	2207	$self
1942	}	2208	}
1943		2209
1944	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2211	sub load_neighbours {
1946	my ($map) = @_;	2212	my ($map) = @_;
1947		2213
1948	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1949		2215
1950	for (0 .. 3) {	2216	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1952	or next;	2218	or next;
1953	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1954	or next;	2220	or next;
1955	$neigh->load;	2221	$neigh->load;
1956		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2227	}
1960		2228
1961	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1963	or next;	2232	or next;
1964	$neigh->load;	2233	$neigh->load;
1965	}	2234	}
1966	}	2235	}
1967		2236
1968	sub find_sync {	2237	sub find_sync {
1969	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1970		2239
1971	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1972	}	2244	}
1973		2245
1974	sub do_load_sync {	2246	sub do_load_sync {
1975	my ($map) = @_;	2247	my ($map) = @_;
1976		2248
1977	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1978	}	2253	}
1979		2254
1980	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1982		2257
1983	sub find_async {	2258	sub find_async {
1984	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1985		2260
1986	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1987		2262
1988	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2265	}
1991		2266
1992	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1993	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1994	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2274	if (my $map = find $k) {
1997	$map->load;	2275	$map->load if $v;
1998	}	2276	}
1999		2277
2000	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
2001	}	2279	}
2002	}	2280	}
2003	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
2004	};	2282	};
2005	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
2006		2284
2007	()	2285	()
2008	}	2286	}
2009		2287
		2288	# common code, used by both ->save and ->swapout
2010	sub save {	2289	sub _save {
2011	my ($self) = @_;	2290	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2291
2015	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
2016		2293
2017	return unless $self->dirty;	2294	return unless $self->dirty;
2018		2295
…		…
2024	return if $self->{deny_save};	2301	return if $self->{deny_save};
2025		2302
2026	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
2027		2304
2028	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
2030	};	2308	};
		2309
		2310	cf::get_slot 0.02;
2031		2311
2032	if ($uniq) {	2312	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2315	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2317	}
2038	}	2318	}
2039		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
2040	sub swap_out {	2328	sub swap_out {
2041	my ($self) = @_;	2329	my ($self) = @_;
2042		2330
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
2048	return if $self->players;	2335	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
2052	$self->clear;	2346	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2347	}
2055		2348
2056	sub reset_at {	2349	sub reset_at {
2057	my ($self) = @_;	2350	my ($self) = @_;
2058		2351
…		…
2076		2369
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2371
2079	return if $self->players;	2372	return if $self->players;
2080		2373
2081	warn "resetting map ", $self->path;	2374	cf::trace "resetting map ", $self->path, "\n";
2082		2375
2083	$self->in_memory (cf::MAP_SWAPPED);	2376	$self->in_memory (cf::MAP_SWAPPED);
2084		2377
2085	# need to save uniques path	2378	# need to save uniques path
2086	unless ($self->{deny_save}) {	2379	unless ($self->{deny_save}) {
…		…
2090	if $uniq;	2383	if $uniq;
2091	}	2384	}
2092		2385
2093	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2094		2387
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2390	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2391
2099	$self->unlink_save;	2392	$self->unlink_save;
2100	$self->destroy;	2393	$self->destroy;
2101	}	2394	}
2102		2395
2103	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
2104		2397
2105	sub nuke {	2398	sub nuke {
2106	my ($self) = @_;	2399	my ($self) = @_;
2107		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
2108	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
2109		2405
2110	$self->unlink_save;	2406	$self->unlink_save;
2111		2407
2112	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2413
2118	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
2119		2416
2120	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
2121	}	2418	}
2122		2419
2123	=item $maps = cf::map::tmp_maps	2420	=item $maps = cf::map::tmp_maps
…		…
2165		2462
2166	sub unique_maps() {	2463	sub unique_maps() {
2167	[	2464	[
2168	map {	2465	map {
2169	utf8::decode $_;	2466	utf8::decode $_;
2170	/\.map$/	2467	s/\.map$//; # TODO future compatibility hack
		2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
2171	? normalise $_	2470	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2471	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2472	]
2175	}	2473	}
2176		2474
2177	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
2178		2506
2179	=back	2507	=back
2180		2508
2181	=head3 cf::object	2509	=head3 cf::object
2182		2510
…		…
2186		2514
2187	=over 4	2515	=over 4
2188		2516
2189	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
2190		2518
2191	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
2192		2521
2193	=cut	2522	=cut
2194		2523
2195	sub inv_recursive_;	2524	sub inv_recursive_;
2196	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
2199		2528
2200	sub inv_recursive {	2529	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
2202	}	2531	}
2203		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
2204	package cf;	2561	package cf;
2205		2562
2206	=back	2563	=back
2207		2564
2208	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
2217		2574
2218	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
2219		2590
2220	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2592	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2606	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2608
2238	} else {	2609	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2612	}
2242	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
2243	}	2624	}
2244		2625
2245	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
2246		2627
2247	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
2260		2641
2261	=item $player_object->enter_link	2642	=item $player_object->enter_link
2262		2643
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2645
2265	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
2267		2650
2268	Will never block.	2651	Will never block.
2269		2652
2270	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
2271		2654
…		…
2291	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2675	my ($self) = @_;
2293		2676
2294	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
2295		2678
		2679	++$self->{_link_recursion};
		2680
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2682
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2684	if $self->map && $self->map->{path} ne "{link}";
2300		2685
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2687	}
2303		2688
2304	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
2306		2691
…		…
2323	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
2325		2710
2326	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
2329		2714
2330	$map->load;	2715	$map->load;
2331	$map->load_diag;	2716	$map->load_neighbours;
2332		2717
2333	return unless $self->contr->active;	2718	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2719
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2721	if ($self->enter_map ($map, $x, $y)) {
2338	}	2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
		2725	$self->activate_recursive;
		2726	}
2339		2727
		2728	}
		2729
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2731
2342	Moves the player to the given map-path and coordinates by first freezing	2732	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2733	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2734	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2735	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2736	be called at the end of this process.
2347		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
		2740
2348	=cut	2741	=cut
2349		2742
2350	our $GOTOGEN;	2743	our $GOTOGEN;
2351		2744
2352	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
		2753
2355	# do generation counting so two concurrent goto's will be executed in-order	2754	# do generation counting so two concurrent goto's will be executed in-order
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2756
2358	$self->enter_link;	2757	$self->enter_link;
2359		2758
2360	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
2361	my $map = eval {	2781	my $map = eval {
2362	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
2363		2783
2364	if ($map) {	2784	if ($map) {
2365	$map = $map->customise_for ($self);	2785	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2786	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2787	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2789	}
2370		2790
2371	$map	2791	$map
2372	};	2792	};
2373		2793
…		…
2379	if ($gen == $self->{_goto_generation}) {	2799	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2800	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
2382	}	2802	}
2383		2803
2384	$done->() if $done;	2804	$done->($self) if $done;
2385	})->prio (1);	2805	})->prio (1);
2386	}	2806	}
2387		2807
2388	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
2389		2809
…		…
2409	}	2829	}
2410		2830
2411	sub prepare_random_map {	2831	sub prepare_random_map {
2412	my ($exit) = @_;	2832	my ($exit) = @_;
2413		2833
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2836	# that depends on the exit object
2419		2837
2420	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2840	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
2427	}	2847	}
2428		2848
2429	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
2430		2850
2431	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
2434		2854
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2857	undef $fh;
2438	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
2439		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
2442	}	2866	}
2443	}	2867	}
2444		2868
2445	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
2447		2871
2448	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
2449		2873
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2874	$self->enter_link;
2462		2875
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2876	(async {
2468	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
2469	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
2470	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
2471		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
2472	1;	2900	1
2473	}) {	2901	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2906
2479	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	2908	$self->leave_link;
2481	}	2909	}
2482	})->prio (1);	2910	})->prio (1);
2483	}	2911	}
2484		2912
…		…
2496	sub cf::client::send_drawinfo {	2924	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	2925	my ($self, $text, $flags) = @_;
2498		2926
2499	utf8::encode $text;	2927	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2929	}
		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
2501	}	2954	}
2502		2955
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		2957
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	2958	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2960	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2961	the message unless the client supports the msg packet.
2509		2962
2510	=cut	2963	=cut
2511		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
2512	sub cf::client::send_msg {	3079	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3080	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3081
2515	$msg = $self->pl->expand_cfpod ($msg);	3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
2516		3084
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
2519	if (ref $channel) {	3094	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3095	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3096	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3097	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	3098	$self->ext_msg (channel_info => $channel);
2524	}	3099	}
…		…
2526	$channel = $channel->{id};	3101	$channel = $channel->{id};
2527	}	3102	}
2528		3103
2529	return unless @extra || length $msg;	3104	return unless @extra || length $msg;
2530		3105
2531	if ($self->can_msg) {	3106	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3108	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3109
2544	if ($color >= 0) {	3110	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3111	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3113	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3114
2549	$self->send_packet ("drawinfo $color $msg")	3115	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3116	}
2554		3117
2555	=item $client->ext_msg ($type, @msg)	3118	=item $client->ext_msg ($type, @msg)
2556		3119
2557	Sends an ext event to the client.	3120	Sends an ext event to the client.
…		…
2559	=cut	3122	=cut
2560		3123
2561	sub cf::client::ext_msg($$@) {	3124	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3125	my ($self, $type, @msg) = @_;
2563		3126
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3127	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3129	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3130	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	3150	}
2572	}	3151	}
2573		3152
2574	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
2575		3154
…		…
2636	my ($type, $reply, @payload) =	3215	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	3216	"ARRAY" eq ref $msg
2638	? @$msg	3217	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3219
		3220	my @reply;
		3221
2641	if (my $cb = $EXTICMD{$type}) {	3222	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3223	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
2647	} else {	3229	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3231	}
2650		3232
2651	cf::override;	3233	cf::override;
2652	},	3234	},
2653	);	3235	);
…		…
2673		3255
2674	$coro	3256	$coro
2675	}	3257	}
2676		3258
2677	cf::client->attach (	3259	cf::client->attach (
2678	on_destroy => sub {	3260	on_client_destroy => sub {
2679	my ($ns) = @_;	3261	my ($ns) = @_;
2680		3262
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3264	},
2683	);	3265	);
…		…
2698	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2700		3282
2701	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2702		3284
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2704		3290
2705	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2706		3292
2707	=pod	3293	=pod
2708		3294
2709	The following functions and methods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2710		3296
2711	cf::object	3297	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3298	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3299	insert remove name archname title slaying race decrease split
		3300	value
2714		3301
2715	cf::object::player	3302	cf::object::player
2716	player	3303	player
2717		3304
2718	cf::player	3305	cf::player
…		…
2723		3310
2724	=cut	3311	=cut
2725		3312
2726	for (	3313	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2732	) {	3320	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3323	for @funs;
2737	}	3324	}
2738		3325
…		…
2753		3340
2754	my $qcode = $code;	3341	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2757		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2758	local $_;	3348	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3349
2761	my $eval =	3350	my $eval =
2762	"do {\n"	3351	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3354	. $code
2766	. "\n}"	3355	. "\n}"
2767	;	3356	;
2768		3357
		3358	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2772		3367
2773	if ($@) {	3368	if ($@) {
2774	warn "$@";	3369	warn "$@",
2775	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2777	}	3372	}
2778		3373
2779	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2780	}	3375	}
2781		3376
…		…
2795	=cut	3390	=cut
2796		3391
2797	sub register_script_function {	3392	sub register_script_function {
2798	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2799		3394
2800	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2802	}	3397	}
2803		3398
2804	=back	3399	=back
2805		3400
2806	=cut	3401	=cut
…		…
2809	# the server's init and main functions	3404	# the server's init and main functions
2810		3405
2811	sub load_facedata($) {	3406	sub load_facedata($) {
2812	my ($path) = @_;	3407	my ($path) = @_;
2813		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2814	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2815		3416
2816	my $facedata;
2817	0 < aio_load $path, $facedata	3417	0 < aio_load $path, my $facedata
2818	or die "$path: $!";	3418	or die "$path: $!";
2819		3419
2820	$facedata = Coro::Storable::thaw $facedata;	3420	$facedata = Coro::Storable::thaw $facedata;
2821		3421
2822	$facedata->{version} == 2	3422	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
2825	{	3434	{
2826	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2827		3436
2828	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2830	cf::face::set_visibility $idx, $info->{visibility};	3440	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3444
2835	cf::cede_to_tick;	3445	cf::cede_to_tick;
2836	}	3446	}
2837		3447
2838	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2840	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2841	or next;	3452	or next;
		3453
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3455	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3457	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3459	}
2848		3460
2849	cf::cede_to_tick;	3461	cf::cede_to_tick;
2850	}	3462	}
2851	}	3463	}
…		…
2860		3472
2861	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2862	}	3474	}
2863		3475
2864	{	3476	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3477	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3478
2872	while (my ($name, $info) = each %$res) {	3479	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3480	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3482
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
2887	} else {	3485	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3486	$RESOURCE{$name} = $info; # unused
2889	}	3487	}
2890		3488
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3489	cf::cede_to_tick;
2894	}	3490	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	warn "$sound->[0]: $face\n";#d#
2905
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}
2909
2910	#TODO
2911	}
2912	}	3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2913		3494
2914	1	3495	1
2915	}	3496	}
2916		3497
2917	register_exticmd fx_want => sub {	3498	register_exticmd fx_want => sub {
…		…
2920	while (my ($k, $v) = each %$want) {	3501	while (my ($k, $v) = each %$want) {
2921	$ns->fx_want ($k, $v);	3502	$ns->fx_want ($k, $v);
2922	}	3503	}
2923	};	3504	};
2924		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
2925	sub reload_regions {	3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
2926	load_resource_file "$MAPDIR/regions"	3521	load_resource_file "$MAPDIR/regions"
2927	or die "unable to load regions file\n";	3522	or die "unable to load regions file\n";
2928		3523
2929	for (cf::region::list) {	3524	for (cf::region::list) {
2930	$_->{match} = qr/$_->{match}/	3525	$_->{match} = qr/$_->{match}/
…		…
2938	}	3533	}
2939		3534
2940	sub reload_archetypes {	3535	sub reload_archetypes {
2941	load_resource_file "$DATADIR/archetypes"	3536	load_resource_file "$DATADIR/archetypes"
2942	or die "unable to load archetypes\n";	3537	or die "unable to load archetypes\n";
2943	#d# NEED to laod twice to resolve forward references
2944	# this really needs to be done in an extra post-pass
2945	# (which needs to be synchronous, so solve it differently)
2946	load_resource_file "$DATADIR/archetypes"
2947	or die "unable to load archetypes\n";
2948	}	3538	}
2949		3539
2950	sub reload_treasures {	3540	sub reload_treasures {
2951	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
2952	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
2953	}	3543	}
2954		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
2955	sub reload_resources {	3568	sub reload_resources {
2956	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
2957		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
2958	reload_regions;	3576	reload_regions;
2959	reload_facedata;
2960	#reload_archetypes;#d#
2961	reload_archetypes;
2962	reload_treasures;	3577	reload_treasures;
2963		3578
2964	warn "finished reloading resource files\n";	3579	trace "finished reloading resource files\n";
2965	}	3580	}
2966		3581
2967	sub init {	3582	sub reload_config {
2968	reload_resources;	3583	trace "reloading config file...\n";
2969	}
2970		3584
2971	sub cfg_load {	3585	0 < aio_load "$CONFDIR/config", my $config
2972	open my $fh, "<:utf8", "$CONFDIR/config"	3586	or die "$CONFDIR/config: $!";
2973	or return;
2974		3587
2975	local $/;	3588	utf8::decode $config;
2976	*CFG = YAML::Syck::Load <$fh>;	3589	*CFG = yaml_load $config;
2977		3590
2978	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2979		3592
2980	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2981	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2982		3595
2983	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2987	};	3600	};
2988	warn $@ if $@;	3601	warn $@ if $@;
2989	}	3602	}
2990	}	3603	}
2991		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
2992	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2993	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2994	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2996	(async {	3646	(async {
2997	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2998	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2999	};	3650	};
3000		3651
3001	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
3002	db_init;	3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
3003	load_extensions;	3675	load_extensions;
3004		3676
3005	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
3006	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
3007	}	3695	}
3008		3696
3009	#############################################################################	3697	#############################################################################
3010	# initialisation and cleanup	3698	# initialisation and cleanup
3011		3699
3012	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
3013	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
3014	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
3015	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3016	reentrant => 0,
3017	data => WF_AUTOCANCEL,
3018	signal => $signal,
3019	prio => 0,
3020	cb => sub {
3021	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
3022	},
3023	);	3706	};
3024	}	3707	}
3025	}	3708	}
3026		3709
3027	sub write_runtime {	3710	sub write_runtime_sync {
3028	my $runtime = "$LOCALDIR/runtime";	3711	my $t0 = AE::time;
3029		3712
3030	# first touch the runtime file to show we are still running:	3713	# first touch the runtime file to show we are still running:
3031	# the fsync below can take a very very long time.	3714	# the fsync below can take a very very long time.
3032		3715
3033	IO::AIO::aio_utime $runtime, undef, undef;	3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3034		3717
3035	my $guard = cf::lock_acquire "write_runtime";	3718	my $guard = cf::lock_acquire "write_runtime";
3036		3719
3037	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3038	or return;	3721	or return;
3039		3722
3040	my $value = $cf::RUNTIME + 90 + 10;	3723	my $value = $cf::RUNTIME + 90 + 10;
3041	# 10 is the runtime save interval, for a monotonic clock	3724	# 10 is the runtime save interval, for a monotonic clock
3042	# 60 allows for the watchdog to kill the server.	3725	# 60 allows for the watchdog to kill the server.
…		…
3052	aio_utime $fh, undef, undef;	3735	aio_utime $fh, undef, undef;
3053		3736
3054	close $fh	3737	close $fh
3055	or return;	3738	or return;
3056		3739
3057	aio_rename "$runtime~", $runtime	3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3058	and return;	3741	and return;
3059		3742
3060	warn "runtime file written.\n";	3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3061		3744
3062	1	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
3063	}	3796	}
3064		3797
3065	sub emergency_save() {	3798	sub emergency_save() {
3066	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
3067		3800
3068	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
3069		3807
3070	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
3071	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
3072	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
3073	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
3074	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
3075	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
3076	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
3077	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3078	$pl->save;	3819	$pl->save;
3079	}	3820	}
3080	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
3081		3822
3082	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
3083	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
3084	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
3085	$map->valid or next;	3828	$map->valid or next;
3086	$map->save;	3829	$map->save;
3087	}	3830	}
3088	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
3089		3832
3090	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
3091	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
3092	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
3093	};	3861	};
3094		3862
3095	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
3096	}	3864	}
3097		3865
3098	sub post_cleanup {	3866	sub post_cleanup {
3099	my ($make_core) = @_;	3867	my ($make_core) = @_;
3100		3868
		3869	IO::AIO::flush;
		3870
3101	warn Carp::longmess "post_cleanup backtrace"	3871	error Carp::longmess "post_cleanup backtrace"
3102	if $make_core;	3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
3103	}	3901	}
3104		3902
3105	sub do_reload_perl() {	3903	sub do_reload_perl() {
3106	# can/must only be called in main	3904	# can/must only be called in main
3107	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
3108	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
3109	return;	3907	return;
3110	}	3908	}
3111		3909
3112	warn "reloading...";	3910	return if $RELOAD++;
3113		3911
3114	warn "entering sync_job";	3912	my $t1 = AE::time;
3115		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
3116	cf::sync_job {	3920	cf::sync_job {
3117	cf::write_runtime; # external watchdog should not bark
3118	cf::emergency_save;	3921	#cf::emergency_save;
3119	cf::write_runtime; # external watchdog should not bark
3120		3922
3121	warn "syncing database to disk";
3122	BDB::db_env_txn_checkpoint $DB_ENV;
3123
3124	# if anything goes wrong in here, we should simply crash as we already saved
3125
3126	warn "cancelling all WF_AUTOCANCEL watchers";
3127	for (Event::all_watchers) {
3128	$_->cancel if $_->data & WF_AUTOCANCEL;
3129	}
3130
3131	warn "flushing outstanding aio requests";
3132	for (;;) {
3133	BDB::flush;
3134	IO::AIO::flush;
3135	Coro::cede;
3136	last unless IO::AIO::nreqs || BDB::nreqs;
3137	warn "iterate...";
3138	}
3139
3140	++$RELOAD;
3141
3142	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
3143	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
3144	%EXT_CORO = ();	3925	%EXT_CORO = ();
3145		3926
3146	warn "removing commands";	3927	trace "perl_reload: removing commands";
3147	%COMMAND = ();	3928	%COMMAND = ();
3148		3929
3149	warn "removing ext/exti commands";	3930	trace "perl_reload: removing ext/exti commands";
3150	%EXTCMD = ();	3931	%EXTCMD = ();
3151	%EXTICMD = ();	3932	%EXTICMD = ();
3152		3933
3153	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
3154	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
3155	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
3156		3937
3157	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
3158	eval {	3939	eval {
3159	$cb->($pkg);	3940	$cb->($pkg);
3160	1	3941	1
3161	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
3162	}	3947	}
3163		3948
3164	warn "... nuking $pkg";
3165	Symbol::delete_package $pkg;
3166	}
3167
3168	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3169	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
3170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3171		3952
3172	warn "... unloading $k";	3953	trace "... unloading $k";
3173	delete $INC{$k};	3954	delete $INC{$k};
3174		3955
3175	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
3176	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
3177		3958
3178	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3179	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3180	}	3964	}
3181		3965
3182	Symbol::delete_package $k;
3183	}
3184
3185	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
3186	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3188		3969
3189	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
3190	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3191	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3192		3973
3193	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3194	# and global variables created in xs	3975	# and global variables created in xs
3195	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3196		3977
3197	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
3198		3979
3199	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
3200	require cf;	3981	require cf;
3201	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3202		3983
3203	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
3204	cf::cfg_load;	3985	cf::reload_config;
3205		3986
3206	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
3207	cf::load_extensions;	3988	cf::load_extensions;
3208		3989
		3990	if ($REATTACH_ON_RELOAD) {
3209	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
3210	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3211	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
3212	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3213	warn "reattaching attachments to players";	3995	trace "perl_reload: reattaching attachments to players";
3214	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3215		3998
3216	warn "leaving sync_job";	3999	cf::_post_init 1;
3217		4000
		4001	trace "perl_reload: leaving sync_job";
		4002
3218	1	4003	1
3219	} or do {	4004	} or do {
3220	warn $@;	4005	error $@;
3221	warn "error while reloading, exiting.";	4006	cf::cleanup "perl_reload: error, exiting.";
3222	exit 1;	4007	};
		4008
		4009	--$RELOAD;
3223	};	4010	}
3224		4011
3225	warn "reloaded";	4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
3226	};	4014	};
3227		4015
3228	our $RELOAD_WATCHER; # used only during reload	4016	our $RELOAD_WATCHER; # used only during reload
3229		4017
3230	sub reload_perl() {	4018	sub reload_perl() {
3231	# doing reload synchronously and two reloads happen back-to-back,	4019	# doing reload synchronously and two reloads happen back-to-back,
3232	# coro crashes during coro_state_free->destroy here.	4020	# coro crashes during coro_state_free->destroy here.
3233		4021
3234	$RELOAD_WATCHER ||= Event->timer (	4022	$RELOAD_WATCHER ||= cf::async {
3235	reentrant => 0,	4023	Coro::AIO::aio_wait cache_extensions;
3236	after => 0,	4024
3237	data => WF_AUTOCANCEL,	4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3238	cb => sub {
3239	do_reload_perl;	4026	do_reload_perl;
3240	undef $RELOAD_WATCHER;	4027	undef $RELOAD_WATCHER;
3241	},	4028	};
3242	);	4029	};
3243	}	4030	}
3244		4031
3245	register_command "reload" => sub {	4032	register_command "reload" => sub {
3246	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
3247		4034
3248	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
3249	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
		4037	async {
		4038	$Coro::current->{desc} = "perl_reload";
3250	async { reload_perl };	4039	reload_perl;
		4040	};
3251	}	4041	}
3252	};	4042	};
3253		4043
3254	unshift @INC, $LIBDIR;	4044	#############################################################################
3255		4045
3256	my $bug_warning = 0;	4046	my $bug_warning = 0;
3257		4047
3258	our @WAIT_FOR_TICK;	4048	our @WAIT_FOR_TICK;
3259	our @WAIT_FOR_TICK_BEGIN;	4049	our @WAIT_FOR_TICK_BEGIN;
3260		4050
3261	sub wait_for_tick {	4051	sub wait_for_tick() {
3262	return unless $TICK_WATCHER->is_active;
3263	return if $Coro::current == $Coro::main;	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3264		4053
3265	my $signal = new Coro::Signal;	4054	my $signal = new Coro::Signal;
3266	push @WAIT_FOR_TICK, $signal;	4055	push @WAIT_FOR_TICK, $signal;
3267	$signal->wait;	4056	$signal->wait;
3268	}	4057	}
3269		4058
3270	sub wait_for_tick_begin {	4059	sub wait_for_tick_begin() {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273		4061
3274	my $signal = new Coro::Signal;	4062	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK_BEGIN, $signal;	4063	push @WAIT_FOR_TICK_BEGIN, $signal;
3276	$signal->wait;	4064	$signal->wait;
3277	}	4065	}
3278		4066
3279	my $min = 1e6;#d#	4067	sub tick {
3280	my $avg = 10;
3281	$TICK_WATCHER = Event->timer (
3282	reentrant => 0,
3283	parked => 1,
3284	prio => 0,
3285	at => $NEXT_TICK || $TICK,
3286	data => WF_AUTOCANCEL,
3287	cb => sub {
3288	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3290	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
3291	return;	4071	return;
3292	}	4072	}
3293		4073
3294	$NOW = $tick_start = Event::time;
3295
3296	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
3297		4075
3298	0 && sync_job {#d#	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3299	for(1..10) {
3300	my $t = Event::time;
3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3302	or die;
3303		4077
3304	$map->width (50);	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3305	$map->height (50);	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3306	$map->alloc;	4080	Coro::async_pool {
3307	$map->_load_objects ("/tmp/x.map", 1);	4081	$Coro::current->{desc} = "runtime saver";
3308	my $t = Event::time - $t;	4082	write_runtime_sync
3309		4083	or error "ERROR: unable to write runtime file: $!";
3310	#next unless $t < 0.0013;#d#
3311	if ($t < $min) {
3312	$min = $t;
3313	}
3314	$avg = $avg * 0.99 + $t * 0.01;
3315	}
3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317	exit 0;
3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319	};	4084	};
		4085	}
3320		4086
3321	$RUNTIME += $TICK;
3322	$NEXT_TICK += $TICK;
3323
3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
3326	Coro::async_pool {
3327	write_runtime
3328	or warn "ERROR: unable to write runtime file: $!";
3329	};
3330	}
3331
3332	# my $AFTER = Event::time;
3333	# warn $AFTER - $NOW;#d#
3334
3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336	$sig->send;	4088	$sig->send;
3337	}	4089	}
3338	while (my $sig = shift @WAIT_FOR_TICK) {	4090	while (my $sig = shift @WAIT_FOR_TICK) {
3339	$sig->send;	4091	$sig->send;
3340	}	4092	}
3341		4093
3342	$NOW = Event::time;	4094	$LOAD = ($NOW - $TICK_START) / $TICK;
3343
3344	# if we are delayed by four ticks or more, skip them all
3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3346
3347	$TICK_WATCHER->at ($NEXT_TICK);
3348	$TICK_WATCHER->start;
3349
3350	$LOAD = ($NOW - $tick_start) / $TICK;
3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352		4096
3353	_post_tick;	4097	if (0) {
3354		4098	if ($NEXT_TICK) {
3355		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
3356	},	4103	}
3357	);	4104	}
3358		4105
3359	{	4106	{
3360	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
3361	$BDB_POLL_WATCHER = Event->io (	4108
3362	reentrant => 0,
3363	fd => BDB::poll_fileno,
3364	poll => 'r',
3365	prio => 0,
3366	data => WF_AUTOCANCEL,
3367	cb => \&BDB::poll_cb,
3368	);
3369	BDB::min_parallel 8;	4109	BDB::min_parallel 16;
3370		4110	BDB::max_poll_reqs $TICK * 0.1;
3371	BDB::set_sync_prepare {	4111	$AnyEvent::BDB::WATCHER->priority (1);
3372	my $status;
3373	my $current = $Coro::current;
3374	(
3375	sub {
3376	$status = $!;
3377	$current->ready; undef $current;
3378	},
3379	sub {
3380	Coro::schedule while defined $current;
3381	$! = $status;
3382	},
3383	)
3384	};
3385		4112
3386	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
3387	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3388		4120
3389	cf::sync_job {	4121	cf::sync_job {
3390	eval {	4122	eval {
3391	BDB::db_env_open	4123	BDB::db_env_open
3392	$DB_ENV,	4124	$DB_ENV,
…		…
3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3396	0666;	4128	0666;
3397		4129
3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3399
3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3401	$DB_ENV->set_lk_detect;
3402	};	4131	};
3403		4132
3404	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
3405	};	4134	};
3406	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
3407	}	4146	}
3408		4147
3409	{	4148	{
		4149	# configure IO::AIO
		4150
3410	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
3411
3412	undef $Coro::AIO::WATCHER;
3413	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
3414	$AIO_POLL_WATCHER = Event->io (	4153	undef $AnyEvent::AIO::WATCHER;
3415	reentrant => 0,
3416	data => WF_AUTOCANCEL,
3417	fd => IO::AIO::poll_fileno,
3418	poll => 'r',
3419	prio => 6,
3420	cb => \&IO::AIO::poll_cb,
3421	);
3422	}	4154	}
3423		4155
3424	my $_log_backtrace;	4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
3425		4158
3426	sub _log_backtrace {	4159	sub _log_backtrace {
3427	my ($msg, @addr) = @_;	4160	my ($msg, @addr) = @_;
3428		4161
3429	$msg =~ s/\n//;	4162	$msg =~ s/\n$//;
3430		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3431	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3432	if ($_log_backtrace < 2) {	4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
3433	++$_log_backtrace;	4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
3434	async {	4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
3435	my @bt = fork_call {	4175	my @bt = fork_call {
3436	@addr = map { sprintf "%x", $_ } @addr;	4176	@addr = map { sprintf "%x", $_ } @addr;
3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439	or die "addr2line: $!";	4179	or die "addr2line: $!";
…		…
3447	}	4187	}
3448		4188
3449	@funcs	4189	@funcs
3450	};	4190	};
3451		4191
3452	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3453	LOG llevInfo, "[ABT] $_\n" for @bt;	4194	LOG llevInfo, "[ABT] $_\n" for @bt;
3454	--$_log_backtrace;	4195	--$_log_backtrace;
3455	};	4196	};
3456	} else {	4197	} else {
3457	LOG llevInfo, "[ABT] $msg\n";	4198	LOG llevInfo, "[ABT] $msg\n";
3458	LOG llevInfo, "[ABT] [suppressed]\n";	4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3459	}	4200	}
3460	}	4201	}
3461		4202
3462	# load additional modules	4203	# load additional modules
3463	use cf::pod;	4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
3464		4206
3465	END { cf::emergency_save }	4207	END { cf::emergency_save }
3466		4208
3467	1	4209	1
3468		4210

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