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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 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;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	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::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	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
168	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
169	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.
170		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		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
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$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;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	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	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		404
258	=item cf::lock_wait $string	405	=item cf::lock_wait $string
259		406
260	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
261		408
262	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
263		410
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
267	returned.	414	returned.
268		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
269	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
270	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
271		421
272	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
273		423
274	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.
275		425
276	=cut	426	=cut
277		427
278	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
279		429
280	sub lock_wait($) {	430	sub lock_wait($) {
281	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	432	}
289		433
290	sub lock_acquire($) {	434	sub lock_acquire($) {
291	my ($key) = @_;	435	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	436	}
303		437
304	sub lock_active($) {	438	sub lock_active($) {
305	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	440	}
309		441
310	sub freeze_mainloop {	442	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
312		444
313	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
315	};	512	}
316	$TICK_WATCHER->stop;	513	};
317	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
318	}	528	}
319		529
320	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
321		531
322	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		537
328	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
329		539
330	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
331		541
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	545	acceptable.
336		546
337	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	552	=cut
343		553
344	sub sync_job(&) {	554	sub sync_job(&) {
345	my ($job) = @_;	555	my ($job) = @_;
346		556
347	if ($Coro::current == $Coro::main) {	557	if (in_main) {
348	my $time = Event::time;	558	my $time = AE::time;
349		559
350	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
352		562
353	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	564
355	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
356		566
357	my $busy = 1;	567	my $busy = 1;
358	my @res;	568	my @res;
359		569
360	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	572	@res = eval { $job->() };
362	warn $@ if $@;	573	error $@ if $@;
363	undef $busy;	574	undef $busy;
364	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
365		576
366	while ($busy) {	577	while ($busy) {
367	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
368	}	582	}
		583	}
369		584
370	$time = Event::time - $time;	585	my $time = AE::time - $time;
371		586
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
376		588
377	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
378	} else {	590	} else {
379	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
380		592
…		…
400	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
401		613
402	$coro	614	$coro
403	}	615	}
404		616
405	=item fork_call { }, $args	617	=item fork_call { }, @args
406		618
407	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
411		623
412	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
413		629
414	sub fork_call(&@) {	630	sub fork_call(&@) {
415	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
416		632
417	# 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,
418	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		636
422	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
423	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
424		641
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	643	}
427		644
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	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
447	}	681	}
448		682
449	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
450		684
451	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
454		688
455	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
456	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).
457		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
458	=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	}
459		718
460	our $DB;	719	our $DB;
461		720
462	sub db_init {	721	sub db_init {
463	unless ($DB) {	722	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	723	}
478		724
479	sub db_get($$) {	725	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
481		727
482	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
483	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
484		732
485	$! ? ()	733	$! ? ()
486	: $data	734	: $data
487	}
488	}	735	}
489		736
490	sub db_put($$$) {	737	sub db_put($$$) {
491	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	778	if (1) {
532	$md5 =	779	$md5 =
533	join "\x00",	780	join "\x00",
534	$processversion,	781	$processversion,
535	map {	782	map {
536	Coro::cede;	783	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	785	} 0.. $#$src;
539		786
540		787
541	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		795
549	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	797	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
552		799
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		801
555	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
558		805
…		…
568		815
569	=cut	816	=cut
570		817
571	sub datalog($@) {	818	sub datalog($@) {
572	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	821	}
575		822
576	=back	823	=back
577		824
578	=cut	825	=cut
579		826
580	#############################################################################	827	#############################################################################
581		828
582	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
583		830
584	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
585	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")
586	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
587		834
588	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>
589	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
590	Crossfire TRT).	837	Deliantra).
591		838
592	=over 4	839	=over 4
593		840
594	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
595		842
…		…
639	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
640		887
641	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
642	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
643		890
644	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		893
647	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
648		895
649	=over 4	896	=over 4
…		…
773		1020
774	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1023
777	} elsif (ref $type) {	1024	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
779		1026
780	} else {	1027	} else {
781	shift @arg;	1028	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
783	}	1030	}
784	}	1031	}
785	}	1032	}
786		1033
787	sub _object_attach {	1034	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
798	}	1045	}
799		1046
800	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
801	} else {	1048	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1050	}
804		1051
805	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
806	}	1053	}
807		1054
…		…
847	";	1094	";
848	die if $@;	1095	die if $@;
849	}	1096	}
850		1097
851	our $override;	1098	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1100
854	sub override {	1101	sub override {
855	$override = 1;	1102	$override = 1;
856	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
857	}	1104	}
858		1105
859	sub do_invoke {	1106	sub do_invoke {
860	my $event = shift;	1107	my $event = shift;
861	my $callbacks = shift;	1108	my $callbacks = shift;
862		1109
863	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
864		1111
865	local $override;	1112	local $override;
866		1113
867	for (@$callbacks) {	1114	for (@$callbacks) {
868	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
869		1116
870	if ($@) {	1117	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1119	override;
874	}	1120	}
875		1121
876	return 1 if $override;	1122	return 1 if $override;
877	}	1123	}
878		1124
879	0	1125	0
880	}	1126	}
881		1127
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1129
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1131
886	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
887		1133
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1137
892	=back	1138	=back
893		1139
894	=cut	1140	=cut
895		1141
896	#############################################################################	1142	#############################################################################
897	# object support	1143	# object support
		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#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
898		1186
899	sub reattach {	1187	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1189	my ($obj) = @_;
902		1190
		1191	# no longer needed after getting rid of delete_package?
903	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
904		1193
905	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
906		1195
907	@$registry = ();	1196	@$registry = ();
908		1197
…		…
913	for (@$attach) {	1202	for (@$attach) {
914	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
916	}	1205	}
917	} else {	1206	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1208	}
920	}	1209	}
921	}	1210	}
922		1211
923	cf::attachable->attach (	1212	cf::attachable->attach (
924	prio => -1000000,	1213	prio => -1000000,
925	on_instantiate => sub {	1214	on_instantiate => sub {
926	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
927		1216
928	$data = from_json $data;	1217	$data = decode_json $data;
929		1218
930	for (@$data) {	1219	for (@$data) {
931	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
932		1221
933	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1238	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
951		1240
952	sync_job {	1241	sync_job {
953	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
956		1247
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1255	aio_close $fh;
962		1256
963	if (@$objs) {	1257	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1266	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
971	}	1268	}
972	} else {	1269	} else {
973	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
974	}	1271	}
975		1272
976	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1277	} else {
978	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
979	}	1279	}
980	} else {	1280	} else {
981	aio_unlink $filename;	1281	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
983	}	1283	}
984	}	1284	};
985	}	1285	}
986		1286
987	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
989		1289
…		…
1001	or return;	1301	or return;
1002		1302
1003	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1305	or return;
		1306
1006	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1007	}	1309	}
1008		1310
		1311	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1011	return ($data, $av);	1316	($data, $av)
1012	}	1317	}
1013		1318
1014	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1015		1320
1016	=over 4	1321	=over 4
…		…
1070	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1071		1376
1072	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1073	}	1378	}
1074		1379
		1380	use File::Glob ();
		1381
1075	cf::player->attach (	1382	cf::player->attach (
1076	on_command => sub {	1383	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1078		1385
1079	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1080	or return;	1387	or return;
1081		1388
…		…
1089	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1090		1397
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1399
1093	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1099	} else {	1415	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1417	}
1102		1418
1103	cf::override;	1419	cf::override;
1104	},	1420	},
1105	);	1421	);
1106		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
1107	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1108	cf::sync_job {	1439	cf::sync_job {
1109	my %todo;	1440	my %todo;
1110		1441
1111	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1443	next unless -r $path;
…		…
1130		1461
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1464
1134	$ext{source} =	1465	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1137	. $source	1468	. $source
1138	. "\n};\n1";	1469	. "\n};\n1";
1139		1470
1140	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1141	}	1472	}
1142		1473
		1474	my $pass = 0;
1143	my %done;	1475	my %done;
1144	while (%todo) {	1476	while (%todo) {
1145	my $progress;	1477	my $progress;
1146		1478
		1479	++$pass;
		1480
		1481	ext:
1147	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1484	next ext
1150	unless exists $done{$_};	1485	unless exists $done{$_};
1151	}	1486	}
1152		1487
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1489
1155	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1160	warn $msg;	1497
1161	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1499	delete $todo{$k};
1163	}	1500	} else {
1164		1501	$done{$k} = delete $todo{$k};
1165	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1166	}	1507	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1508	}
1172		1509
1173	skip:	1510	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1518	}
1177	};	1519	};
1178	}	1520	}
1179		1521
1180	#############################################################################	1522	#############################################################################
1181		1523
1182	=back	1524	=back
1183		1525
1184	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1185		1527
1186	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1187		1529
1188	=cut	1530	=cut
1189		1531
1190	package cf::player;	1532	package cf::player;
1191		1533
1192	use Coro::AIO;	1534	use Coro::AIO;
1193		1535
1194	=head3 cf::player	1536	=head3 cf::player
1195		1537
1196	=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	}
1197		1553
1198	=item cf::player::find $login	1554	=item cf::player::find $login
1199		1555
1200	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1201		1557
…		…
1220		1576
1221	sub exists($) {	1577	sub exists($) {
1222	my ($login) = @_;	1578	my ($login) = @_;
1223		1579
1224	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1226	}	1582	}
1227		1583
1228	sub find($) {	1584	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1586	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1597
1242	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1245	}	1607	}
1246	}	1608	}
1247	}	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	);
1248		1623
1249	sub save($) {	1624	sub save($) {
1250	my ($pl) = @_;	1625	my ($pl) = @_;
1251		1626
1252	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1258		1633
1259	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1263	Coro::cede;	1643	cf::cede_to_tick;
1264	}	1644	}
1265		1645
1266	sub new($) {	1646	sub new($) {
1267	my ($login) = @_;	1647	my ($login) = @_;
1268		1648
…		…
1274	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1275		1655
1276	$self	1656	$self
1277	}	1657	}
1278		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
1279	=item $pl->quit_character	1669	=item $pl->quit_character
1280		1670
1281	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
1282	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1283		1673
…		…
1287	my ($pl) = @_;	1677	my ($pl) = @_;
1288		1678
1289	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1290		1680
1291	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1292	$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
1293		1683
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1297	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1298		1692
1299	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1336	or return [];	1730	or return [];
1337		1731
1338	my @logins;	1732	my @logins;
1339		1733
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1344		1744
1345	utf8::decode $login;	1745	utf8::decode $login;
1346	push @logins, $login;	1746	push @logins, $login;
1347	}	1747	}
1348		1748
1349	\@logins	1749	\@logins
1350	}	1750	}
1351		1751
1352	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1353		1755
1354	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1355	player. May block.	1757	player. May block.
1356		1758
1357	=cut	1759	=cut
…		…
1375	}	1777	}
1376		1778
1377	\@paths	1779	\@paths
1378	}	1780	}
1379		1781
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1783
1382	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1383		1785
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1431		1787
1432	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1433		1789
1434	=cut	1790	=cut
1435		1791
1436	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1438		1794
1439	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1796	}
1442		1797
1443	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1444		1799
1445	Sends an ext event to the client.	1800	Sends an ext event to the client.
1446		1801
1447	=cut	1802	=cut
1448		1803
1449	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1451		1806
1452	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1453	}	1808	}
1454		1809
1455	=head3 cf::region	1810	=head3 cf::region
1456		1811
1457	=over 4	1812	=over 4
…		…
1467	=cut	1822	=cut
1468		1823
1469	sub find_by_path($) {	1824	sub find_by_path($) {
1470	my ($path) = @_;	1825	my ($path) = @_;
1471		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1472	my ($match, $specificity);	1829	my ($match, $specificity);
1473		1830
1474	for my $region (list) {	1831	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1478	}	1835	}
1479	}	1836	}
1480		1837
…		…
1501	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1503		1860
1504	sub generate_random_map {	1861	sub generate_random_map {
1505	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
1506	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1867	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1519	)	1880	)
1520	}	1881	}
1521		1882
1522	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1523		1884
…		…
1529		1890
1530	sub register {	1891	sub register {
1531	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	1893	my $pkg = caller;
1533		1894
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		1896
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1898	}
1539		1899
1540	# also paths starting with '/'	1900	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1902
1543	sub thawer_merge {	1903	sub thawer_merge {
1544	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1545		1905
1546	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
…		…
1551	}	1911	}
1552		1912
1553	sub normalise {	1913	sub normalise {
1554	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1555		1915
1556	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1557		1917
1558	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1559		1919
1560	# map plan:	1920	# map plan:
1561	#	1921	#
…		…
1576	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	1937	$path = "$base/$path";
1578	}	1938	}
1579		1939
1580	for ($path) {	1940	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1584	}	1943	}
1585		1944
1586	$path	1945	$path
…		…
1600	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1601	return $self;	1960	return $self;
1602	}	1961	}
1603	}	1962	}
1604		1963
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	1965	()
1607	}	1966	}
1608		1967
1609	sub init {	1968	sub init {
1610	my ($self) = @_;	1969	my ($self) = @_;
…		…
1632		1991
1633	# the temporary/swap location	1992	# the temporary/swap location
1634	sub save_path {	1993	sub save_path {
1635	my ($self) = @_;	1994	my ($self) = @_;
1636		1995
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1639	}	1998	}
1640		1999
1641	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1642	sub uniq_path {	2001	sub uniq_path {
1643	my ($self) = @_;	2002	my ($self) = @_;
1644		2003
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2006	}
1657		2007
1658	sub decay_objects {	2008	sub decay_objects {
1659	my ($self) = @_;	2009	my ($self) = @_;
1660		2010
…		…
1673		2023
1674	sub load_header_from($) {	2024	sub load_header_from($) {
1675	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1676		2026
1677	utf8::encode $path;	2027	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1683		2036
1684	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1685		2038
1686	1	2039	1
1687	}	2040	}
…		…
1739		2092
1740	sub find;	2093	sub find;
1741	sub find {	2094	sub find {
1742	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1743		2096
		2097	cf::cede_to_tick;
		2098
1744	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1745		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2103
1748	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1751	or return;	2106	or return;
1752		2107
1753	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1754		2109
…		…
1756	or return;	2111	or return;
1757		2112
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1761	$map->reset;	2118	$map->reset;
1762	undef $guard;
1763	return find $path;	2119	return find $path;
1764	}	2120	}
1765		2121
1766	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1767	}	2123	}
1768	}	2124	}
1769		2125
1770	sub pre_load { }	2126	sub pre_load { }
1771	sub post_load { }	2127	#sub post_load { } # XS
1772		2128
1773	sub load {	2129	sub load {
1774	my ($self) = @_;	2130	my ($self) = @_;
1775		2131
1776	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1777		2133
1778	my $path = $self->{path};	2134	my $path = $self->{path};
1779		2135
1780	{	2136	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1782		2138
		2139	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2141
1785	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1786		2143
1787	$self->alloc;	2144	$self->alloc;
1788		2145
1789	$self->pre_load;	2146	$self->pre_load;
1790	Coro::cede;	2147	cf::cede_to_tick;
1791		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1793	or return;	2152	or return;
1794		2153
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1796	if delete $self->{load_original};	2155	if delete $self->{load_original};
1797		2156
1798	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2158	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2161	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1803	}	2165	}
1804	}	2166	}
1805		2167
1806	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1807	# now do the right thing for maps	2171	# now do the right thing for maps
1808	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2174	unless $self->difficulty;
1811	Coro::cede;	2175	cf::cede_to_tick;
1812		2176
1813	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2178	$self->decay_objects;
1815	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1816	$self->update_buttons;	2180	$self->update_buttons;
1817	Coro::cede;	2181	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2182	$self->activate;
1821	}	2183	}
1822		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2189	}
1825		2190
1826	$self->post_load;	2191	$self->post_load;
1827	}
1828		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2199	sub customise_for {
1830	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1831		2201
1832	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2203	if $self->per_player;
…		…
1837		2207
1838	$self	2208	$self
1839	}	2209	}
1840		2210
1841	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2212	sub load_neighbours {
1843	my ($map) = @_;	2213	my ($map) = @_;
1844		2214
1845	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1846		2216
1847	for (0 .. 3) {	2217	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1849	or next;	2219	or next;
1850	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1851	or next;	2221	or next;
1852	$neigh->load;	2222	$neigh->load;
1853		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2228	}
1857		2229
1858	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1860	or next;	2233	or next;
1861	$neigh->load;	2234	$neigh->load;
1862	}	2235	}
1863	}	2236	}
1864		2237
1865	sub find_sync {	2238	sub find_sync {
1866	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1867		2240
1868	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1869	}	2245	}
1870		2246
1871	sub do_load_sync {	2247	sub do_load_sync {
1872	my ($map) = @_;	2248	my ($map) = @_;
1873		2249
1874	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1875	}	2254	}
1876		2255
1877	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1879		2258
1880	sub find_async {	2259	sub find_async {
1881	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1882		2261
1883	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1884		2263
1885	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2266	}
1888		2267
1889	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1890	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1891	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2275	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2276	$map->load if $v;
		2277	}
1896		2278
1897	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1898	}	2280	}
1899	}	2281	}
1900	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1901	};	2283	};
1902	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1903		2285
1904	()	2286	()
1905	}	2287	}
1906		2288
		2289	# common code, used by both ->save and ->swapout
1907	sub save {	2290	sub _save {
1908	my ($self) = @_;	2291	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2292
1912	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1913		2294
1914	return unless $self->dirty;	2295	return unless $self->dirty;
1915		2296
…		…
1921	return if $self->{deny_save};	2302	return if $self->{deny_save};
1922		2303
1923	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1924		2305
1925	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1927	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1928		2312
1929	if ($uniq) {	2313	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2316	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2318	}
1935	}	2319	}
1936		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1937	sub swap_out {	2329	sub swap_out {
1938	my ($self) = @_;	2330	my ($self) = @_;
1939		2331
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1945	return if $self->players;	2336	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1949	$self->clear;	2347	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2348	}
1952		2349
1953	sub reset_at {	2350	sub reset_at {
1954	my ($self) = @_;	2351	my ($self) = @_;
1955		2352
…		…
1973		2370
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2372
1976	return if $self->players;	2373	return if $self->players;
1977		2374
1978	warn "resetting map ", $self->path;	2375	cf::trace "resetting map ", $self->path, "\n";
1979		2376
1980	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->in_memory (cf::MAP_SWAPPED);
1981		2378
1982	# need to save uniques path	2379	# need to save uniques path
1983	unless ($self->{deny_save}) {	2380	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2384	if $uniq;
1988	}	2385	}
1989		2386
1990	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1991		2388
		2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2391	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2392
1996	$self->unlink_save;	2393	$self->unlink_save;
1997	$self->destroy;	2394	$self->destroy;
1998	}	2395	}
1999		2396
2000	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
2001		2398
2002	sub nuke {	2399	sub nuke {
2003	my ($self) = @_;	2400	my ($self) = @_;
2004		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
2005	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
2006		2406
2007	$self->unlink_save;	2407	$self->unlink_save;
2008		2408
2009	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2414
2015	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
2016		2417
2017	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
2018	}	2419	}
2019		2420
2020	=item $maps = cf::map::tmp_maps	2421	=item $maps = cf::map::tmp_maps
…		…
2062		2463
2063	sub unique_maps() {	2464	sub unique_maps() {
2064	[	2465	[
2065	map {	2466	map {
2066	utf8::decode $_;	2467	utf8::decode $_;
2067	/\.map$/	2468	s/\.map$//; # TODO future compatibility hack
		2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2470	? ()
2068	? normalise $_	2471	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2472	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2473	]
2072	}	2474	}
2073		2475
2074	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
2075		2507
2076	=back	2508	=back
2077		2509
2078	=head3 cf::object	2510	=head3 cf::object
2079		2511
…		…
2083		2515
2084	=over 4	2516	=over 4
2085		2517
2086	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
2087		2519
2088	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
2089		2522
2090	=cut	2523	=cut
2091		2524
2092	sub inv_recursive_;	2525	sub inv_recursive_;
2093	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
2096		2529
2097	sub inv_recursive {	2530	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
2099	}	2532	}
2100		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
2101	package cf;	2562	package cf;
2102		2563
2103	=back	2564	=back
2104		2565
2105	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
2114		2575
2115	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
2116		2591
2117	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2593	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
2127		2602
2128	} else {	2603	} else {
2129	my $pl = $self->contr;	2604	my $pl = $self->contr;
2130		2605
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2607	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2609
2140	} else {	2610	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2613	}
2144	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
2145	}	2625	}
2146		2626
2147	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
2148		2628
2149	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
2162		2642
2163	=item $player_object->enter_link	2643	=item $player_object->enter_link
2164		2644
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2646
2167	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
2169		2651
2170	Will never block.	2652	Will never block.
2171		2653
2172	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
2173		2655
…		…
2193	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2676	my ($self) = @_;
2195		2677
2196	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
2197		2679
		2680	++$self->{_link_recursion};
		2681
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2683
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2685	if $self->map && $self->map->{path} ne "{link}";
2202		2686
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2688	}
2205		2689
2206	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
2208		2692
…		…
2225	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
2227		2711
2228	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
2231		2715
2232	$map->load;	2716	$map->load;
2233	$map->load_diag;	2717	$map->load_neighbours;
2234		2718
2235	return unless $self->contr->active;	2719	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2720
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2722	if ($self->enter_map ($map, $x, $y)) {
2240	}	2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
		2726	$self->activate_recursive;
		2727	}
2241		2728
		2729	}
		2730
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2732
2244	Moves the player to the given map-path and coordinates by first freezing	2733	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2734	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2735	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
2248		2741
2249	=cut	2742	=cut
2250		2743
2251	our $GOTOGEN;	2744	our $GOTOGEN;
2252		2745
2253	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
2255		2754
2256	# do generation counting so two concurrent goto's will be executed in-order	2755	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2757
2259	$self->enter_link;	2758	$self->enter_link;
2260		2759
2261	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
2262	my $map = eval {	2782	my $map = eval {
2263	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
2264		2784
2265	if ($map) {	2785	if ($map) {
2266	$map = $map->customise_for ($self);	2786	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2787	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2788	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2790	}
2271		2791
2272	$map	2792	$map
2273	};	2793	};
2274		2794
…		…
2279		2799
2280	if ($gen == $self->{_goto_generation}) {	2800	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2801	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
2283	}	2803	}
		2804
		2805	$done->($self) if $done;
2284	})->prio (1);	2806	})->prio (1);
2285	}	2807	}
2286		2808
2287	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
2288		2810
…		…
2308	}	2830	}
2309		2831
2310	sub prepare_random_map {	2832	sub prepare_random_map {
2311	my ($exit) = @_;	2833	my ($exit) = @_;
2312		2834
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2837	# that depends on the exit object
2318		2838
2319	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2841	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
2326	}	2848	}
2327		2849
2328	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
2329		2851
2330	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
2333		2855
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2858	undef $fh;
2337	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
2338		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
2341	}	2867	}
2342	}	2868	}
2343		2869
2344	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
2346		2872
2347	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
2348		2874
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2875	$self->enter_link;
2361		2876
2362	(async {	2877	(async {
2363	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
2364	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
2365	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
2366		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
2367	1;	2901	1
2368	}) {	2902	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2907
2374	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	2909	$self->leave_link;
2376	}	2910	}
2377	})->prio (1);	2911	})->prio (1);
2378	}	2912	}
2379		2913
…		…
2393		2927
2394	utf8::encode $text;	2928	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2930	}
2397		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2958
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2959	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2960	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2961	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2962	the message unless the client supports the msg packet.
2404		2963
2405	=cut	2964	=cut
2406		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
2407	sub cf::client::send_msg {	3080	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3081	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3082
2410	$msg = $self->pl->expand_cfpod ($msg);	3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
2411		3104
2412	return unless @extra || length $msg;	3105	return unless @extra || length $msg;
2413		3106
2414	if ($self->can_msg) {	3107	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3109	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3110
2427	if ($color >= 0) {	3111	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3112	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3114	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
2438	=item $client->ext_event ($type, %msg)	3119	=item $client->ext_msg ($type, @msg)
2439		3120
2440	Sends an ext event to the client.	3121	Sends an ext event to the client.
2441		3122
2442	=cut	3123	=cut
2443		3124
2444	sub cf::client::ext_event($$%) {	3125	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3126	my ($self, $type, @msg) = @_;
2446		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	3131	push @msg, msgtype => "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
2449	}	3152	}
2450		3153
2451	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
2452		3155
2453	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	3211	my ($ns, $buf) = @_;
2509		3212
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3214
2512	if (ref $msg) {	3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3223	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3224	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
2519	} else {	3230	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3232	}
2522		3233
2523	cf::override;	3234	cf::override;
2524	},	3235	},
2525	);	3236	);
…		…
2545		3256
2546	$coro	3257	$coro
2547	}	3258	}
2548		3259
2549	cf::client->attach (	3260	cf::client->attach (
2550	on_destroy => sub {	3261	on_client_destroy => sub {
2551	my ($ns) = @_;	3262	my ($ns) = @_;
2552		3263
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3265	},
2555	);	3266	);
…		…
2570	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2572		3283
2573	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2574		3285
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2576		3291
2577	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2578		3293
2579	=pod	3294	=pod
2580		3295
2581	The following functions and methods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2582		3297
2583	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2584	cf::object::player player	3303	cf::object::player
2585	cf::player peaceful	3304	player
2586	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2587		3311
2588	=cut	3312	=cut
2589		3313
2590	for (	3314	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2592	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2595	) {	3321	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3324	for @funs;
2600	}	3325	}
2601		3326
…		…
2616		3341
2617	my $qcode = $code;	3342	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2620		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2621	local $_;	3349	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3350
2624	my $eval =	3351	my $eval =
2625	"do {\n"	3352	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3355	. $code
2629	. "\n}"	3356	. "\n}"
2630	;	3357	;
2631		3358
		3359	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2635		3368
2636	if ($@) {	3369	if ($@) {
2637	warn "$@";	3370	warn "$@",
2638	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2640	}	3373	}
2641		3374
2642	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2643	}	3376	}
2644		3377
…		…
2658	=cut	3391	=cut
2659		3392
2660	sub register_script_function {	3393	sub register_script_function {
2661	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2662		3395
2663	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2665	}	3398	}
2666		3399
2667	=back	3400	=back
2668		3401
2669	=cut	3402	=cut
…		…
2672	# the server's init and main functions	3405	# the server's init and main functions
2673		3406
2674	sub load_facedata($) {	3407	sub load_facedata($) {
2675	my ($path) = @_;	3408	my ($path) = @_;
2676		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
		3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3415
2677	warn "loading facedata from $path\n";	3416	trace "loading facedata from $path\n";
2678		3417
2679	my $facedata;
2680	0 < aio_load $path, $facedata	3418	0 < aio_load $path, my $facedata
2681	or die "$path: $!";	3419	or die "$path: $!";
2682		3420
2683	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2684		3422
2685	$facedata->{version} == 2	3423	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2688	{	3435	{
2689	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2690		3437
2691	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2696	Coro::cede;	3445
		3446	cf::cede_to_tick;
2697	}	3447	}
2698		3448
2699	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2701	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2702	or next;	3453	or next;
		3454
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3458	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3460	}
2708	Coro::cede;	3461
		3462	cf::cede_to_tick;
2709	}	3463	}
2710	}	3464	}
2711		3465
2712	{	3466	{
2713	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2714		3468
2715	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3471	cf::cede_to_tick;
2718	}	3472	}
2719		3473
2720	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2721	}	3475	}
2722		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2723	1	3496	1
2724	}	3497	}
2725		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2726	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2727	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
2729	}	3529	}
2730		3530
2731	sub reload_facedata {	3531	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3532	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3533	or die "unable to load facedata\n";
2734	}	3534	}
2735		3535
2736	sub reload_archetypes {	3536	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3537	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3538	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references
2740	# this really needs to be done in an extra post-pass
2741	# (which needs to be synchronous, so solve it differently)
2742	load_resource_file "$DATADIR/archetypes"
2743	or die "unable to load archetypes\n";
2744	}	3539	}
2745		3540
2746	sub reload_treasures {	3541	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2749	}	3544	}
2750		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2751	sub reload_resources {	3569	sub reload_resources {
2752	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2753		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
2754	reload_regions;	3577	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3578	reload_treasures;
2759		3579
2760	warn "finished reloading resource files\n";	3580	trace "finished reloading resource files\n";
2761	}	3581	}
2762		3582
2763	sub init {	3583	sub reload_config {
2764	reload_resources;	3584	trace "reloading config file...\n";
2765	}
2766		3585
2767	sub cfg_load {	3586	0 < aio_load "$CONFDIR/config", my $config
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3587	or die "$CONFDIR/config: $!";
2769	or return;
2770		3588
2771	local $/;	3589	utf8::decode $config;
2772	*CFG = YAML::Syck::Load <$fh>;	3590	*CFG = yaml_load $config;
2773		3591
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3593
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778		3596
2779	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2783	};	3601	};
2784	warn $@ if $@;	3602	warn $@ if $@;
2785	}	3603	}
2786	}	3604	}
2787		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2788	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2789	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3647	(async {
2793	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2795	};	3651	};
2796		3652
2797	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
2798	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2799	load_extensions;	3676	load_extensions;
2800		3677
2801	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2802	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2803	}	3696	}
2804		3697
2805	#############################################################################	3698	#############################################################################
2806	# initialisation and cleanup	3699	# initialisation and cleanup
2807		3700
2808	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2809	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2818	},
2819	);	3707	};
2820	}	3708	}
2821	}	3709	}
2822		3710
2823	sub write_runtime {	3711	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3712	my $t0 = AE::time;
2825		3713
2826	# first touch the runtime file to show we are still running:	3714	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3715	# the fsync below can take a very very long time.
2828		3716
2829	IO::AIO::aio_utime $runtime, undef, undef;	3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3718
2831	my $guard = cf::lock_acquire "write_runtime";	3719	my $guard = cf::lock_acquire "write_runtime";
2832		3720
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	3722	or return;
2835		3723
2836	my $value = $cf::RUNTIME + 90 + 10;	3724	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3725	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3726	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3736	aio_utime $fh, undef, undef;
2849		3737
2850	close $fh	3738	close $fh
2851	or return;	3739	or return;
2852		3740
2853	aio_rename "$runtime~", $runtime	3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3742	and return;
2855		3743
2856	warn "runtime file written.\n";	3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		3745
2858	1	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2859	}	3797	}
2860		3798
2861	sub emergency_save() {	3799	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2863		3801
2864	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2865		3808
2866	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2867	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3820	$pl->save;
2875	}	3821	}
2876	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2877		3823
2878	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	3829	$map->valid or next;
2882	$map->save;	3830	$map->save;
2883	}	3831	}
2884	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2885		3833
2886	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2889	};	3862	};
2890		3863
2891	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2892	}	3865	}
2893		3866
2894	sub post_cleanup {	3867	sub post_cleanup {
2895	my ($make_core) = @_;	3868	my ($make_core) = @_;
2896		3869
		3870	IO::AIO::flush;
		3871
2897	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
2899	}	3902	}
2900		3903
2901	sub do_reload_perl() {	3904	sub do_reload_perl() {
2902	# can/must only be called in main	3905	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2904	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2905	return;	3908	return;
2906	}	3909	}
2907		3910
2908	warn "reloading...";	3911	return if $RELOAD++;
2909		3912
2910	warn "entering sync_job";	3913	my $t1 = AE::time;
2911		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
2912	cf::sync_job {	3921	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	3922	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		3923
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	3926	%EXT_CORO = ();
2941		3927
2942	warn "removing commands";	3928	trace "perl_reload: removing commands";
2943	%COMMAND = ();	3929	%COMMAND = ();
2944		3930
2945	warn "removing ext/exti commands";	3931	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	3932	%EXTCMD = ();
2947	%EXTICMD = ();	3933	%EXTICMD = ();
2948		3934
2949	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2952		3938
2953	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2954	eval {	3940	eval {
2955	$cb->($pkg);	3941	$cb->($pkg);
2956	1	3942	1
2957	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2958	}	3948	}
2959		3949
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		3953
2968	warn "... unloading $k";	3954	trace "... unloading $k";
2969	delete $INC{$k};	3955	delete $INC{$k};
2970		3956
2971	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2973		3959
2974	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2976	}	3965	}
2977		3966
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		3970
2985	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		3974
2989	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2990	# and global variables created in xs	3976	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2992		3978
2993	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2994		3980
2995	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2996	require cf;	3982	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2998		3984
2999	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	3986	cf::reload_config;
3001		3987
3002	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	3989	cf::load_extensions;
3004		3990
		3991	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	3996	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
3011		3999
3012	warn "leaving sync_job";	4000	cf::_post_init 1;
3013		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
3014	1	4004	1
3015	} or do {	4005	} or do {
3016	warn $@;	4006	error $@;
3017	warn "error while reloading, exiting.";	4007	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	4008	};
		4009
		4010	--$RELOAD;
3019	};	4011	}
3020		4012
3021	warn "reloaded";	4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
3022	};	4015	};
3023		4016
3024	our $RELOAD_WATCHER; # used only during reload	4017	our $RELOAD_WATCHER; # used only during reload
3025		4018
3026	sub reload_perl() {	4019	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4020	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4021	# coro crashes during coro_state_free->destroy here.
3029		4022
3030	$RELOAD_WATCHER ||= Event->timer (	4023	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4024	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4025
3033	data => WF_AUTOCANCEL,	4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4027	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4028	undef $RELOAD_WATCHER;
3037	},	4029	};
3038	);	4030	};
3039	}	4031	}
3040		4032
3041	register_command "reload" => sub {	4033	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
3043		4035
3044	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4040	reload_perl;
		4041	};
3047	}	4042	}
3048	};	4043	};
3049		4044
3050	unshift @INC, $LIBDIR;	4045	#############################################################################
3051		4046
3052	my $bug_warning = 0;	4047	my $bug_warning = 0;
3053		4048
3054	our @WAIT_FOR_TICK;	4049	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	4050	our @WAIT_FOR_TICK_BEGIN;
3056		4051
3057	sub wait_for_tick {	4052	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;
3059	return if $Coro::current == $Coro::main;	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3060		4054
3061	my $signal = new Coro::Signal;	4055	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	4056	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	4057	$signal->wait;
3064	}	4058	}
3065		4059
3066	sub wait_for_tick_begin {	4060	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;
3068	return if $Coro::current == $Coro::main;	4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3069		4062
3070	my $signal = new Coro::Signal;	4063	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4064	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4065	$signal->wait;
3073	}	4066	}
3074		4067
3075	my $min = 1e6;#d#	4068	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
3087	return;	4072	return;
3088	}	4073	}
3089		4074
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
3093		4076
3094	0 && sync_job {#d#	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3095	for(1..10) {
3096	my $t = Event::time;
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3098	or die;
3099		4078
3100	$map->width (50);	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3101	$map->height (50);	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3102	$map->alloc;	4081	Coro::async_pool {
3103	$map->_load_objects ("/tmp/x.map", 1);	4082	$Coro::current->{desc} = "runtime saver";
3104	my $t = Event::time - $t;	4083	write_runtime_sync
3105		4084	or error "ERROR: unable to write runtime file: $!";
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4085	};
		4086	}
3116		4087
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4089	$sig->send;
3133	}	4090	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4091	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	4092	$sig->send;
3136	}	4093	}
3137		4094
3138	$NOW = Event::time;	4095	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4097
3149	_post_tick;	4098	if (0) {
3150		4099	if ($NEXT_TICK) {
3151		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
3152	},	4104	}
3153	);	4105	}
3154		4106
3155	{	4107	{
3156	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4109
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4110	BDB::min_parallel 16;
3166		4111	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4112	$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4113
3182	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		4121
3185	cf::sync_job {	4122	cf::sync_job {
3186	eval {	4123	eval {
3187	BDB::db_env_open	4124	BDB::db_env_open
3188	$DB_ENV,	4125	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4129	0666;
3193		4130
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4132	};
3199		4133
3200	cf::cleanup "db_env_open(db): $@" if $@;	4134	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4135	};
3202	}	4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
3203	}	4147	}
3204		4148
3205	{	4149	{
		4150	# configure IO::AIO
		4151
3206	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4154	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4155	}
3219		4156
3220	my $_log_backtrace;	4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
3221		4159
3222	sub _log_backtrace {	4160	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4161	my ($msg, @addr) = @_;
3224		4162
3225	$msg =~ s/\n//;	4163	$msg =~ s/\n$//;
3226		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4168	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
3230	async {	4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
3231	my @bt = fork_call {	4176	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4177	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	4180	or die "addr2line: $!";
…		…
3243	}	4188	}
3244		4189
3245	@funcs	4190	@funcs
3246	};	4191	};
3247		4192
3248	LOG llevInfo, "[ABT] $msg\n";	4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4195	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4196	--$_log_backtrace;
3251	};	4197	};
3252	} else {	4198	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4199	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4201	}
3256	}	4202	}
3257		4203
3258	# load additional modules	4204	# load additional modules
3259	use cf::pod;	4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
3260		4207
3261	END { cf::emergency_save }	4208	END { cf::emergency_save }
3262		4209
3263	1	4210	1
3264		4211

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