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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 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 : $res[-1]
426	warn "pst<$res>" unless $res =~ /^pst/;	643	}
427	$res = Coro::Storable::thaw $res;
428		644
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442
443	my @res = eval { $cb->(@args) };
444
445	open my $fh, ">", \my $buf
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	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
460	}	681	}
461		682
462	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
463		684
464	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
467		688
468	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
469	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).
470		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
471	=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	}
472		718
473	our $DB;	719	our $DB;
474		720
475	sub db_init {	721	sub db_init {
476	unless ($DB) {	722	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	723	}
491		724
492	sub db_get($$) {	725	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
494		727
495	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
496	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
497		732
498	$! ? ()	733	$! ? ()
499	: $data	734	: $data
500	}
501	}	735	}
502		736
503	sub db_put($$$) {	737	sub db_put($$$) {
504	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
544	if (1) {	778	if (1) {
545	$md5 =	779	$md5 =
546	join "\x00",	780	join "\x00",
547	$processversion,	781	$processversion,
548	map {	782	map {
549	Coro::cede;	783	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	785	} 0.. $#$src;
552		786
553		787
554	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		795
562	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	797	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
565		799
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		801
568	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
571		805
…		…
581		815
582	=cut	816	=cut
583		817
584	sub datalog($@) {	818	sub datalog($@) {
585	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	821	}
588		822
589	=back	823	=back
590		824
591	=cut	825	=cut
592		826
593	#############################################################################	827	#############################################################################
594		828
595	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
596		830
597	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
598	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")
599	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
600		834
601	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>
602	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
603	Crossfire TRT).	837	Deliantra).
604		838
605	=over 4	839	=over 4
606		840
607	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
608		842
…		…
652	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
653		887
654	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
655	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
656		890
657	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
658	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.
659		893
660	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
661		895
662	=over 4	896	=over 4
…		…
786		1020
787	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		1023
790	} elsif (ref $type) {	1024	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
792		1026
793	} else {	1027	} else {
794	shift @arg;	1028	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
796	}	1030	}
797	}	1031	}
798	}	1032	}
799		1033
800	sub _object_attach {	1034	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
811	}	1045	}
812		1046
813	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
814	} else {	1048	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1050	}
817		1051
818	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
819	}	1053	}
820		1054
…		…
860	";	1094	";
861	die if $@;	1095	die if $@;
862	}	1096	}
863		1097
864	our $override;	1098	our $override;
865	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?
866		1100
867	sub override {	1101	sub override {
868	$override = 1;	1102	$override = 1;
869	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
870	}	1104	}
871		1105
872	sub do_invoke {	1106	sub do_invoke {
873	my $event = shift;	1107	my $event = shift;
874	my $callbacks = shift;	1108	my $callbacks = shift;
875		1109
876	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
877		1111
878	local $override;	1112	local $override;
879		1113
880	for (@$callbacks) {	1114	for (@$callbacks) {
881	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
882		1116
883	if ($@) {	1117	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1119	override;
887	}	1120	}
888		1121
889	return 1 if $override;	1122	return 1 if $override;
890	}	1123	}
891		1124
892	0	1125	0
893	}	1126	}
894		1127
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1129
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1131
899	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
900		1133
901	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
902	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
903	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1137
905	=back	1138	=back
906		1139
907	=cut	1140	=cut
908		1141
909	#############################################################################	1142	#############################################################################
910	# 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	}
911		1186
912	sub reattach {	1187	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1189	my ($obj) = @_;
915		1190
		1191	# no longer needed after getting rid of delete_package?
916	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
917		1193
918	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
919		1195
920	@$registry = ();	1196	@$registry = ();
921		1197
…		…
926	for (@$attach) {	1202	for (@$attach) {
927	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
929	}	1205	}
930	} else {	1206	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1208	}
933	}	1209	}
934	}	1210	}
935		1211
936	cf::attachable->attach (	1212	cf::attachable->attach (
937	prio => -1000000,	1213	prio => -1000000,
938	on_instantiate => sub {	1214	on_instantiate => sub {
939	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
940		1216
941	$data = from_json $data;	1217	$data = decode_json $data;
942		1218
943	for (@$data) {	1219	for (@$data) {
944	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
945		1221
946	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1238	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
964		1240
965	sync_job {	1241	sync_job {
966	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
969		1247
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	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	}
974	close $fh;	1255	aio_close $fh;
975		1256
976	if (@$objs) {	1257	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
981	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	}
982	close $fh;	1266	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
984	}	1268	}
985	} else {	1269	} else {
986	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
987	}	1271	}
988		1272
989	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1277	} else {
991	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
992	}	1279	}
993	} else {	1280	} else {
994	aio_unlink $filename;	1281	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
996	}	1283	}
997	}	1284	};
998	}	1285	}
999		1286
1000	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1002		1289
…		…
1014	or return;	1301	or return;
1015		1302
1016	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1305	or return;
		1306
1019	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1020	}	1309	}
1021		1310
		1311	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1024	return ($data, $av);	1316	($data, $av)
1025	}	1317	}
1026		1318
1027	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1028		1320
1029	=over 4	1321	=over 4
…		…
1083	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1084		1376
1085	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1086	}	1378	}
1087		1379
		1380	use File::Glob ();
		1381
1088	cf::player->attach (	1382	cf::player->attach (
1089	on_command => sub {	1383	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1091		1385
1092	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1093	or return;	1387	or return;
1094		1388
…		…
1102	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1103		1397
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1399
1106	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
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1112	} else {	1415	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1417	}
1115		1418
1116	cf::override;	1419	cf::override;
1117	},	1420	},
1118	);	1421	);
1119		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
1120	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1121	cf::sync_job {	1439	cf::sync_job {
1122	my %todo;	1440	my %todo;
1123		1441
1124	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1443	next unless -r $path;
…		…
1143		1461
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1464
1147	$ext{source} =	1465	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1150	. $source	1468	. $source
1151	. "\n};\n1";	1469	. "\n};\n1";
1152		1470
1153	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1154	}	1472	}
1155		1473
		1474	my $pass = 0;
1156	my %done;	1475	my %done;
1157	while (%todo) {	1476	while (%todo) {
1158	my $progress;	1477	my $progress;
1159		1478
		1479	++$pass;
		1480
		1481	ext:
1160	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1484	next ext
1163	unless exists $done{$_};	1485	unless exists $done{$_};
1164	}	1486	}
1165		1487
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1489
1168	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1173	warn $msg;	1497
1174	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1499	delete $todo{$k};
1176	}	1500	} else {
1177		1501	$done{$k} = delete $todo{$k};
1178	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1179	}	1507	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1508	}
1185		1509
1186	skip:	1510	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	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	}
1189	}	1518	}
1190	};	1519	};
1191	}	1520	}
1192		1521
1193	#############################################################################	1522	#############################################################################
1194		1523
1195	=back	1524	=back
1196		1525
1197	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1198		1527
1199	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1200		1529
1201	=cut	1530	=cut
1202		1531
1203	package cf::player;	1532	package cf::player;
1204		1533
1205	use Coro::AIO;	1534	use Coro::AIO;
1206		1535
1207	=head3 cf::player	1536	=head3 cf::player
1208		1537
1209	=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	}
1210		1553
1211	=item cf::player::find $login	1554	=item cf::player::find $login
1212		1555
1213	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1214		1557
…		…
1233		1576
1234	sub exists($) {	1577	sub exists($) {
1235	my ($login) = @_;	1578	my ($login) = @_;
1236		1579
1237	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1239	}	1582	}
1240		1583
1241	sub find($) {	1584	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1586	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1597
1255	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1256	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;
1257	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1258	}	1607	}
1259	}	1608	}
1260	}	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	);
1261		1623
1262	sub save($) {	1624	sub save($) {
1263	my ($pl) = @_;	1625	my ($pl) = @_;
1264		1626
1265	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1271		1633
1272	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1274		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
1275	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1276	Coro::cede;	1643	cf::cede_to_tick;
1277	}	1644	}
1278		1645
1279	sub new($) {	1646	sub new($) {
1280	my ($login) = @_;	1647	my ($login) = @_;
1281		1648
…		…
1287	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1288		1655
1289	$self	1656	$self
1290	}	1657	}
1291		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
1292	=item $pl->quit_character	1669	=item $pl->quit_character
1293		1670
1294	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
1295	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1296		1673
…		…
1300	my ($pl) = @_;	1677	my ($pl) = @_;
1301		1678
1302	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1303		1680
1304	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1305	$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
1306		1683
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1310	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1311		1692
1312	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1314	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1349	or return [];	1730	or return [];
1350		1731
1351	my @logins;	1732	my @logins;
1352		1733
1353	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") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1357		1744
1358	utf8::decode $login;	1745	utf8::decode $login;
1359	push @logins, $login;	1746	push @logins, $login;
1360	}	1747	}
1361		1748
1362	\@logins	1749	\@logins
1363	}	1750	}
1364		1751
1365	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1366		1755
1367	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1368	player. May block.	1757	player. May block.
1369		1758
1370	=cut	1759	=cut
…		…
1388	}	1777	}
1389		1778
1390	\@paths	1779	\@paths
1391	}	1780	}
1392		1781
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1783
1395	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1396		1785
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1444		1787
1445	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1446		1789
1447	=cut	1790	=cut
1448		1791
1449	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1451		1794
1452	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1796	}
1455		1797
1456	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1457		1799
1458	Sends an ext event to the client.	1800	Sends an ext event to the client.
1459		1801
1460	=cut	1802	=cut
1461		1803
1462	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1464		1806
1465	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1466	}	1808	}
1467		1809
1468	=head3 cf::region	1810	=head3 cf::region
1469		1811
1470	=over 4	1812	=over 4
…		…
1480	=cut	1822	=cut
1481		1823
1482	sub find_by_path($) {	1824	sub find_by_path($) {
1483	my ($path) = @_;	1825	my ($path) = @_;
1484		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1485	my ($match, $specificity);	1829	my ($match, $specificity);
1486		1830
1487	for my $region (list) {	1831	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1491	}	1835	}
1492	}	1836	}
1493		1837
…		…
1514	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1516		1860
1517	sub generate_random_map {	1861	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1519	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1520	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1529	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1531	(cf::region::find $rmp->{region}), $rmp->{custom}
1532	)
1533	}	1867	}
1534		1868
1535	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1536		1870
1537	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1542		1876
1543	sub register {	1877	sub register {
1544	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	1879	my $pkg = caller;
1546		1880
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		1882
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1884	}
1552		1885
1553	# also paths starting with '/'	1886	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1888
1556	sub thawer_merge {	1889	sub thawer_merge {
1557	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1558		1891
1559	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1564	}	1897	}
1565		1898
1566	sub normalise {	1899	sub normalise {
1567	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1568		1901
1569	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1570		1903
1571	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1572		1905
1573	# map plan:	1906	# map plan:
1574	#	1907	#
…		…
1589	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1590	$path = "$base/$path";	1923	$path = "$base/$path";
1591	}	1924	}
1592		1925
1593	for ($path) {	1926	for ($path) {
1594	redo if s{//}{/};
1595	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1596	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1597	}	1929	}
1598		1930
1599	$path	1931	$path
…		…
1613	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1614	return $self;	1946	return $self;
1615	}	1947	}
1616	}	1948	}
1617		1949
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	1951	()
1620	}	1952	}
1621		1953
1622	sub init {	1954	sub init {
1623	my ($self) = @_;	1955	my ($self) = @_;
…		…
1645		1977
1646	# the temporary/swap location	1978	# the temporary/swap location
1647	sub save_path {	1979	sub save_path {
1648	my ($self) = @_;	1980	my ($self) = @_;
1649		1981
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1652	}	1984	}
1653		1985
1654	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1655	sub uniq_path {	1987	sub uniq_path {
1656	my ($self) = @_;	1988	my ($self) = @_;
1657		1989
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1992	}
1670		1993
1671	sub decay_objects {	1994	sub decay_objects {
1672	my ($self) = @_;	1995	my ($self) = @_;
1673		1996
…		…
1686		2009
1687	sub load_header_from($) {	2010	sub load_header_from($) {
1688	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1689		2012
1690	utf8::encode $path;	2013	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1696		2022
1697	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1698		2024
1699	1	2025	1
1700	}	2026	}
…		…
1752		2078
1753	sub find;	2079	sub find;
1754	sub find {	2080	sub find {
1755	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1756		2082
		2083	cf::cede_to_tick;
		2084
1757	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1758		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2089
1761	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1764	or return;	2092	or return;
1765		2093
1766	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1767		2095
…		…
1769	or return;	2097	or return;
1770		2098
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1774	$map->reset;	2104	$map->reset;
1775	undef $guard;
1776	return find $path;	2105	return find $path;
1777	}	2106	}
1778		2107
1779	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1780	}	2109	}
1781	}	2110	}
1782		2111
1783	sub pre_load { }	2112	sub pre_load { }
1784	sub post_load { }	2113	#sub post_load { } # XS
1785		2114
1786	sub load {	2115	sub load {
1787	my ($self) = @_;	2116	my ($self) = @_;
1788		2117
1789	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1790		2119
1791	my $path = $self->{path};	2120	my $path = $self->{path};
1792		2121
1793	{	2122	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1795		2124
		2125	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2127
1798	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1799		2129
1800	$self->alloc;	2130	$self->alloc;
1801		2131
1802	$self->pre_load;	2132	$self->pre_load;
1803	Coro::cede;	2133	cf::cede_to_tick;
1804		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1806	or return;	2138	or return;
1807		2139
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1809	if delete $self->{load_original};	2141	if delete $self->{load_original};
1810		2142
1811	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2144	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2147	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1816	}	2151	}
1817	}	2152	}
1818		2153
1819	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1820	# now do the right thing for maps	2157	# now do the right thing for maps
1821	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2160	unless $self->difficulty;
1824	Coro::cede;	2161	cf::cede_to_tick;
1825		2162
1826	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2164	$self->decay_objects;
1828	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1829	$self->update_buttons;	2166	$self->update_buttons;
1830	Coro::cede;	2167	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2168	$self->activate;
1834	}	2169	}
1835		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2175	}
1838		2176
1839	$self->post_load;	2177	$self->post_load;
1840	}
1841		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2185	sub customise_for {
1843	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1844		2187
1845	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2189	if $self->per_player;
…		…
1850		2193
1851	$self	2194	$self
1852	}	2195	}
1853		2196
1854	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2198	sub load_neighbours {
1856	my ($map) = @_;	2199	my ($map) = @_;
1857		2200
1858	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1859		2202
1860	for (0 .. 3) {	2203	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1862	or next;	2205	or next;
1863	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1864	or next;	2207	or next;
1865	$neigh->load;	2208	$neigh->load;
1866		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2214	}
1870		2215
1871	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1873	or next;	2219	or next;
1874	$neigh->load;	2220	$neigh->load;
1875	}	2221	}
1876	}	2222	}
1877		2223
1878	sub find_sync {	2224	sub find_sync {
1879	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1880		2226
1881	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1882	}	2231	}
1883		2232
1884	sub do_load_sync {	2233	sub do_load_sync {
1885	my ($map) = @_;	2234	my ($map) = @_;
1886		2235
1887	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1888	}	2240	}
1889		2241
1890	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1892		2244
1893	sub find_async {	2245	sub find_async {
1894	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1895		2247
1896	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1897		2249
1898	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2252	}
1901		2253
1902	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1903	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1904	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2261	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2262	$map->load if $v;
		2263	}
1909		2264
1910	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1911	}	2266	}
1912	}	2267	}
1913	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1914	};	2269	};
1915	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1916		2271
1917	()	2272	()
1918	}	2273	}
1919		2274
		2275	# common code, used by both ->save and ->swapout
1920	sub save {	2276	sub _save {
1921	my ($self) = @_;	2277	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2278
1925	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1926		2280
1927	return unless $self->dirty;	2281	return unless $self->dirty;
1928		2282
…		…
1934	return if $self->{deny_save};	2288	return if $self->{deny_save};
1935		2289
1936	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1937		2291
1938	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1940	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1941		2298
1942	if ($uniq) {	2299	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2302	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2304	}
1948	}	2305	}
1949		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1950	sub swap_out {	2315	sub swap_out {
1951	my ($self) = @_;	2316	my ($self) = @_;
1952		2317
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1958	return if $self->players;	2322	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1962	$self->clear;	2333	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2334	}
1965		2335
1966	sub reset_at {	2336	sub reset_at {
1967	my ($self) = @_;	2337	my ($self) = @_;
1968		2338
…		…
1986		2356
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2358
1989	return if $self->players;	2359	return if $self->players;
1990		2360
1991	warn "resetting map ", $self->path;	2361	cf::trace "resetting map ", $self->path, "\n";
1992		2362
1993	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1994		2364
1995	# need to save uniques path	2365	# need to save uniques path
1996	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2370	if $uniq;
2001	}	2371	}
2002		2372
2003	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
2004		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2377	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2378
2009	$self->unlink_save;	2379	$self->unlink_save;
2010	$self->destroy;	2380	$self->destroy;
2011	}	2381	}
2012		2382
2013	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
2014		2384
2015	sub nuke {	2385	sub nuke {
2016	my ($self) = @_;	2386	my ($self) = @_;
2017		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
2018	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2019		2392
2020	$self->unlink_save;	2393	$self->unlink_save;
2021		2394
2022	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2400
2028	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
2029		2403
2030	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
2031	}	2405	}
2032		2406
2033	=item $maps = cf::map::tmp_maps	2407	=item $maps = cf::map::tmp_maps
…		…
2075		2449
2076	sub unique_maps() {	2450	sub unique_maps() {
2077	[	2451	[
2078	map {	2452	map {
2079	utf8::decode $_;	2453	utf8::decode $_;
2080	/\.map$/	2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
2081	? normalise $_	2457	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2459	]
2085	}	2460	}
2086		2461
2087	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
2088		2493
2089	=back	2494	=back
2090		2495
2091	=head3 cf::object	2496	=head3 cf::object
2092		2497
…		…
2096		2501
2097	=over 4	2502	=over 4
2098		2503
2099	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
2100		2505
2101	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
2102		2508
2103	=cut	2509	=cut
2104		2510
2105	sub inv_recursive_;	2511	sub inv_recursive_;
2106	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
2109		2515
2110	sub inv_recursive {	2516	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
2112	}	2518	}
2113		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
2114	package cf;	2548	package cf;
2115		2549
2116	=back	2550	=back
2117		2551
2118	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
2127		2561
2128	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
2129		2577
2130	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2579	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
2140		2588
2141	} else {	2589	} else {
2142	my $pl = $self->contr;	2590	my $pl = $self->contr;
2143		2591
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2593	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2595
2153	} else {	2596	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2599	}
2157	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
2158	}	2611	}
2159		2612
2160	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
2161		2614
2162	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
2175		2628
2176	=item $player_object->enter_link	2629	=item $player_object->enter_link
2177		2630
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2632
2180	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2182		2637
2183	Will never block.	2638	Will never block.
2184		2639
2185	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2186		2641
…		…
2206	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2662	my ($self) = @_;
2208		2663
2209	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2210		2665
		2666	++$self->{_link_recursion};
		2667
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2669
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2215		2672
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2674	}
2218		2675
2219	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2221		2678
…		…
2238	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2240		2697
2241	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2244		2701
2245	$map->load;	2702	$map->load;
2246	$map->load_diag;	2703	$map->load_neighbours;
2247		2704
2248	return unless $self->contr->active;	2705	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2706
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2253	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2254		2714
		2715	}
		2716
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2718
2257	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
2261		2727
2262	=cut	2728	=cut
2263		2729
2264	our $GOTOGEN;	2730	our $GOTOGEN;
2265		2731
2266	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
2268		2740
2269	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2743
2272	$self->enter_link;	2744	$self->enter_link;
2273		2745
2274	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
2275	my $map = eval {	2768	my $map = eval {
2276	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
2277		2770
2278	if ($map) {	2771	if ($map) {
2279	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2774	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2776	}
2284		2777
2285	$map	2778	$map
2286	};	2779	};
2287		2780
…		…
2292		2785
2293	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2296	}	2789	}
		2790
		2791	$done->($self) if $done;
2297	})->prio (1);	2792	})->prio (1);
2298	}	2793	}
2299		2794
2300	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2301		2796
…		…
2321	}	2816	}
2322		2817
2323	sub prepare_random_map {	2818	sub prepare_random_map {
2324	my ($exit) = @_;	2819	my ($exit) = @_;
2325		2820
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2823	# that depends on the exit object
2331		2824
2332	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2827	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2339	}	2834	}
2340		2835
2341	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2342		2837
2343	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2346		2841
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2844	undef $fh;
2350	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2351		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2354	}	2853	}
2355	}	2854	}
2356		2855
2357	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2359		2858
2360	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2361		2860
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2861	$self->enter_link;
2374		2862
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2863	(async {
2380	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2381	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2382	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2383		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2384	1;	2887	1
2385	}) {	2888	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2893
2391	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2895	$self->leave_link;
2393	}	2896	}
2394	})->prio (1);	2897	})->prio (1);
2395	}	2898	}
2396		2899
…		…
2410		2913
2411	utf8::encode $text;	2914	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2916	}
2414		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2944
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2946	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2947	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2948	the message unless the client supports the msg packet.
2421		2949
2422	=cut	2950	=cut
2423		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
2424	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3068
2427	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
2428		3090
2429	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2430		3092
2431	if ($self->can_msg) {	3093	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3095	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3096
2444	if ($color >= 0) {	3097	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3098	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3100	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2455	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2456		3106
2457	Sends an ext event to the client.	3107	Sends an ext event to the client.
2458		3108
2459	=cut	3109	=cut
2460		3110
2461	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2463		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2466	}	3138	}
2467		3139
2468	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2469		3141
2470	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3197	my ($ns, $buf) = @_;
2526		3198
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3200
2529	if (ref $msg) {	3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3209	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3210	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
2536	} else {	3216	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3218	}
2539		3219
2540	cf::override;	3220	cf::override;
2541	},	3221	},
2542	);	3222	);
…		…
2562		3242
2563	$coro	3243	$coro
2564	}	3244	}
2565		3245
2566	cf::client->attach (	3246	cf::client->attach (
2567	on_destroy => sub {	3247	on_client_destroy => sub {
2568	my ($ns) = @_;	3248	my ($ns) = @_;
2569		3249
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3251	},
2572	);	3252	);
…		…
2587	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2589		3269
2590	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2591		3271
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2593		3277
2594	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2595		3279
2596	=pod	3280	=pod
2597		3281
2598	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2599		3283
2600	cf::object	3284	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3285	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3286	insert remove name archname title slaying race decrease split
		3287	value
2603		3288
2604	cf::object::player	3289	cf::object::player
2605	player	3290	player
2606		3291
2607	cf::player	3292	cf::player
…		…
2612		3297
2613	=cut	3298	=cut
2614		3299
2615	for (	3300	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2621	) {	3307	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3310	for @funs;
2626	}	3311	}
2627		3312
…		…
2642		3327
2643	my $qcode = $code;	3328	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2646		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2647	local $_;	3335	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3336
2650	my $eval =	3337	my $eval =
2651	"do {\n"	3338	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3341	. $code
2655	. "\n}"	3342	. "\n}"
2656	;	3343	;
2657		3344
		3345	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2661		3354
2662	if ($@) {	3355	if ($@) {
2663	warn "$@";	3356	warn "$@",
2664	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2666	}	3359	}
2667		3360
2668	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2669	}	3362	}
2670		3363
…		…
2684	=cut	3377	=cut
2685		3378
2686	sub register_script_function {	3379	sub register_script_function {
2687	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2688		3381
2689	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2691	}	3384	}
2692		3385
2693	=back	3386	=back
2694		3387
2695	=cut	3388	=cut
…		…
2698	# the server's init and main functions	3391	# the server's init and main functions
2699		3392
2700	sub load_facedata($) {	3393	sub load_facedata($) {
2701	my ($path) = @_;	3394	my ($path) = @_;
2702		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2703	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2704		3403
2705	my $facedata;
2706	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2707	or die "$path: $!";	3405	or die "$path: $!";
2708		3406
2709	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2710		3408
2711	$facedata->{version} == 2	3409	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2714	{	3421	{
2715	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2716		3423
2717	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3431	cf::face::set_data $idx, 2, "-", chr $idx & 255;
		3432
		3433	cf::cede_to_tick;
2723	}	3434	}
2724		3435
2725	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2727	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2728	or next;	3440	or next;
		3441
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3445	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3447	}
2734	Coro::cede;	3448
		3449	cf::cede_to_tick;
2735	}	3450	}
2736	}	3451	}
2737		3452
2738	{	3453	{
2739	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2740		3455
2741	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3458	cf::cede_to_tick;
2744	}	3459	}
2745		3460
2746	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2747	}	3462	}
2748		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2749	1	3483	1
2750	}	3484	}
2751		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2752	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2753	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
2755	}	3516	}
2756		3517
2757	sub reload_facedata {	3518	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3519	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
2760	}	3521	}
2761		3522
2762	sub reload_archetypes {	3523	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3524	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3526	}
2771		3527
2772	sub reload_treasures {	3528	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2775	}	3531	}
2776		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2777	sub reload_resources {	3556	sub reload_resources {
2778	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2779		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2780	reload_regions;	3564	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3565	reload_treasures;
2785		3566
2786	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2787	}	3568	}
2788		3569
2789	sub init {	3570	sub reload_config {
2790	reload_resources;	3571	trace "reloading config file...\n";
2791	}
2792		3572
2793	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2795	or return;
2796		3575
2797	local $/;	3576	utf8::decode $config;
2798	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2799		3578
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3580
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3583
2805	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2809	};	3588	};
2810	warn $@ if $@;	3589	warn $@ if $@;
2811	}	3590	}
2812	}	3591	}
2813		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2814	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2815	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3634	(async {
2819	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2821	};	3638	};
2822		3639
2823	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2824	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2825	load_extensions;	3663	load_extensions;
2826		3664
2827	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2829	}	3683	}
2830		3684
2831	#############################################################################	3685	#############################################################################
2832	# initialisation and cleanup	3686	# initialisation and cleanup
2833		3687
2834	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2835	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2844	},
2845	);	3694	};
2846	}	3695	}
2847	}	3696	}
2848		3697
2849	sub write_runtime {	3698	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
2851		3700
2852	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
2854		3703
2855	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3705
2857	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
2858		3707
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3709	or return;
2861		3710
2862	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
2875		3724
2876	close $fh	3725	close $fh
2877	or return;	3726	or return;
2878		3727
2879	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3729	and return;
2881		3730
2882	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3732
2884	1	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2885	}	3784	}
2886		3785
2887	sub emergency_save() {	3786	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2889		3788
2890	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2891		3795
2892	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2893	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3807	$pl->save;
2901	}	3808	}
2902	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2903		3810
2904	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3816	$map->valid or next;
2908	$map->save;	3817	$map->save;
2909	}	3818	}
2910	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2911		3820
2912	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2915	};	3849	};
2916		3850
2917	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2918	}	3852	}
2919		3853
2920	sub post_cleanup {	3854	sub post_cleanup {
2921	my ($make_core) = @_;	3855	my ($make_core) = @_;
2922		3856
		3857	IO::AIO::flush;
		3858
2923	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2925	}	3889	}
2926		3890
2927	sub do_reload_perl() {	3891	sub do_reload_perl() {
2928	# can/must only be called in main	3892	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2930	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2931	return;	3895	return;
2932	}	3896	}
2933		3897
2934	warn "reloading...";	3898	return if $RELOAD++;
2935		3899
2936	warn "entering sync_job";	3900	my $t1 = AE::time;
2937		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2938	cf::sync_job {	3908	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	3909	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		3910
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	3913	%EXT_CORO = ();
2967		3914
2968	warn "removing commands";	3915	trace "perl_reload: removing commands";
2969	%COMMAND = ();	3916	%COMMAND = ();
2970		3917
2971	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
2972	%EXTCMD = ();	3919	%EXTCMD = ();
2973	%EXTICMD = ();	3920	%EXTICMD = ();
2974		3921
2975	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2978		3925
2979	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2980	eval {	3927	eval {
2981	$cb->($pkg);	3928	$cb->($pkg);
2982	1	3929	1
2983	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2984	}	3935	}
2985		3936
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3940
2994	warn "... unloading $k";	3941	trace "... unloading $k";
2995	delete $INC{$k};	3942	delete $INC{$k};
2996		3943
2997	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2999		3946
3000	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
3002	}	3952	}
3003		3953
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3957
3011	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3961
3015	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3963	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3018		3965
3019	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3020		3967
3021	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3022	require cf;	3969	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3024		3971
3025	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3026	cf::cfg_load;	3973	cf::reload_config;
3027		3974
3028	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3029	cf::load_extensions;	3976	cf::load_extensions;
3030		3977
		3978	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3037		3986
3038	warn "leaving sync_job";	3987	cf::_post_init 1;
3039		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
3040	1	3991	1
3041	} or do {	3992	} or do {
3042	warn $@;	3993	error $@;
3043	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3044	exit 1;	3995	};
		3996
		3997	--$RELOAD;
3045	};	3998	}
3046		3999
3047	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3048	};	4002	};
3049		4003
3050	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3051		4005
3052	sub reload_perl() {	4006	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3055		4009
3056	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4012
3059	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4014	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
3063	},	4016	};
3064	);	4017	};
3065	}	4018	}
3066		4019
3067	register_command "reload" => sub {	4020	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
3069		4022
3070	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4027	reload_perl;
		4028	};
3073	}	4029	}
3074	};	4030	};
3075		4031
3076	unshift @INC, $LIBDIR;	4032	#############################################################################
3077		4033
3078	my $bug_warning = 0;	4034	my $bug_warning = 0;
3079		4035
3080	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3082		4038
3083	sub wait_for_tick {	4039	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		4041
3087	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	4044	$signal->wait;
3090	}	4045	}
3091		4046
3092	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4049
3096	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4052	$signal->wait;
3099	}	4053	}
3100		4054
3101	my $min = 1e6;#d#	4055	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
3113	return;	4059	return;
3114	}	4060	}
3115		4061
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3119		4063
3120	0 && sync_job {#d#	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		4065
3126	$map->width (50);	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4068	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4069	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4070	write_runtime_sync
3131		4071	or error "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4072	};
		4073	}
3142		4074
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4076	$sig->send;
3159	}	4077	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4079	$sig->send;
3162	}	4080	}
3163		4081
3164	$NOW = Event::time;	4082	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4084
3175	_post_tick;	4085	if (0) {
3176		4086	if ($NEXT_TICK) {
3177		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
3178	},	4091	}
3179	);	4092	}
3180		4093
3181	{	4094	{
3182	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4096
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3192		4098	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4100
3208	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4108
3211	cf::sync_job {	4109	cf::sync_job {
3212	eval {	4110	eval {
3213	BDB::db_env_open	4111	BDB::db_env_open
3214	$DB_ENV,	4112	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4116	0666;
3219		4117
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4119	};
3225		4120
3226	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4122	};
3228	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
3229	}	4134	}
3230		4135
3231	{	4136	{
		4137	# configure IO::AIO
		4138
3232	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4142	}
3245		4143
3246	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3247		4146
3248	sub _log_backtrace {	4147	sub _log_backtrace {
3249	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3250		4149
3251	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3252		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3253	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3255	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3256	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
3257	my @bt = fork_call {	4163	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
3269	}	4175	}
3270		4176
3271	@funcs	4177	@funcs
3272	};	4178	};
3273		4179
3274	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4183	--$_log_backtrace;
3277	};	4184	};
3278	} else {	4185	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3281	}	4188	}
3282	}	4189	}
3283		4190
3284	# load additional modules	4191	# load additional modules
3285	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3286		4194
3287	END { cf::emergency_save }	4195	END { cf::emergency_save }
3288		4196
3289	1	4197	1
3290		4198

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