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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 1.555 by root, Wed Jun 30 01:32:56 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) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1519	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1867	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
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}	1869	(cf::region::find $rmp->{region})
1532	)	1870	)
1533	}	1871	}
1534		1872
1535	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1536		1874
…		…
1542		1880
1543	sub register {	1881	sub register {
1544	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	1883	my $pkg = caller;
1546		1884
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		1886
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1888	}
1552		1889
1553	# also paths starting with '/'	1890	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1892
1556	sub thawer_merge {	1893	sub thawer_merge {
1557	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1558		1895
1559	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
…		…
1564	}	1901	}
1565		1902
1566	sub normalise {	1903	sub normalise {
1567	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1568		1905
1569	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1570		1907
1571	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1572		1909
1573	# map plan:	1910	# map plan:
1574	#	1911	#
…		…
1589	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1590	$path = "$base/$path";	1927	$path = "$base/$path";
1591	}	1928	}
1592		1929
1593	for ($path) {	1930	for ($path) {
1594	redo if s{//}{/};
1595	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1596	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1597	}	1933	}
1598		1934
1599	$path	1935	$path
…		…
1613	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1614	return $self;	1950	return $self;
1615	}	1951	}
1616	}	1952	}
1617		1953
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	1955	()
1620	}	1956	}
1621		1957
1622	sub init {	1958	sub init {
1623	my ($self) = @_;	1959	my ($self) = @_;
…		…
1645		1981
1646	# the temporary/swap location	1982	# the temporary/swap location
1647	sub save_path {	1983	sub save_path {
1648	my ($self) = @_;	1984	my ($self) = @_;
1649		1985
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1652	}	1988	}
1653		1989
1654	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1655	sub uniq_path {	1991	sub uniq_path {
1656	my ($self) = @_;	1992	my ($self) = @_;
1657		1993
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1995	"$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	}	1996	}
1670		1997
1671	sub decay_objects {	1998	sub decay_objects {
1672	my ($self) = @_;	1999	my ($self) = @_;
1673		2000
…		…
1686		2013
1687	sub load_header_from($) {	2014	sub load_header_from($) {
1688	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1689		2016
1690	utf8::encode $path;	2017	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1696		2026
1697	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1698		2028
1699	1	2029	1
1700	}	2030	}
…		…
1752		2082
1753	sub find;	2083	sub find;
1754	sub find {	2084	sub find {
1755	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1756		2086
		2087	cf::cede_to_tick;
		2088
1757	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1758		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2093
1761	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1764	or return;	2096	or return;
1765		2097
1766	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1767		2099
…		…
1769	or return;	2101	or return;
1770		2102
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1774	$map->reset;	2108	$map->reset;
1775	undef $guard;
1776	return find $path;	2109	return find $path;
1777	}	2110	}
1778		2111
1779	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1780	}	2113	}
1781	}	2114	}
1782		2115
1783	sub pre_load { }	2116	sub pre_load { }
1784	sub post_load { }	2117	#sub post_load { } # XS
1785		2118
1786	sub load {	2119	sub load {
1787	my ($self) = @_;	2120	my ($self) = @_;
1788		2121
1789	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1790		2123
1791	my $path = $self->{path};	2124	my $path = $self->{path};
1792		2125
1793	{	2126	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1795		2128
		2129	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2131
1798	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1799		2133
1800	$self->alloc;	2134	$self->alloc;
1801		2135
1802	$self->pre_load;	2136	$self->pre_load;
1803	Coro::cede;	2137	cf::cede_to_tick;
1804		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1806	or return;	2142	or return;
1807		2143
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1809	if delete $self->{load_original};	2145	if delete $self->{load_original};
1810		2146
1811	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2148	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2151	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1816	}	2155	}
1817	}	2156	}
1818		2157
1819	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1820	# now do the right thing for maps	2161	# now do the right thing for maps
1821	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2164	unless $self->difficulty;
1824	Coro::cede;	2165	cf::cede_to_tick;
1825		2166
1826	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2168	$self->decay_objects;
1828	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1829	$self->update_buttons;	2170	$self->update_buttons;
1830	Coro::cede;	2171	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2172	$self->activate;
1834	}	2173	}
1835		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2179	}
1838		2180
1839	$self->post_load;	2181	$self->post_load;
1840	}
1841		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2189	sub customise_for {
1843	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1844		2191
1845	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2193	if $self->per_player;
…		…
1850		2197
1851	$self	2198	$self
1852	}	2199	}
1853		2200
1854	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2202	sub load_neighbours {
1856	my ($map) = @_;	2203	my ($map) = @_;
1857		2204
1858	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1859		2206
1860	for (0 .. 3) {	2207	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1862	or next;	2209	or next;
1863	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1864	or next;	2211	or next;
1865	$neigh->load;	2212	$neigh->load;
1866		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2218	}
1870		2219
1871	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1873	or next;	2223	or next;
1874	$neigh->load;	2224	$neigh->load;
1875	}	2225	}
1876	}	2226	}
1877		2227
1878	sub find_sync {	2228	sub find_sync {
1879	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1880		2230
1881	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1882	}	2235	}
1883		2236
1884	sub do_load_sync {	2237	sub do_load_sync {
1885	my ($map) = @_;	2238	my ($map) = @_;
1886		2239
1887	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1888	}	2244	}
1889		2245
1890	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1892		2248
1893	sub find_async {	2249	sub find_async {
1894	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1895		2251
1896	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1897		2253
1898	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2256	}
1901		2257
1902	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1903	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1904	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2265	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2266	$map->load if $v;
		2267	}
1909		2268
1910	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1911	}	2270	}
1912	}	2271	}
1913	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1914	};	2273	};
1915	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1916		2275
1917	()	2276	()
1918	}	2277	}
1919		2278
		2279	# common code, used by both ->save and ->swapout
1920	sub save {	2280	sub _save {
1921	my ($self) = @_;	2281	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2282
1925	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1926		2284
1927	return unless $self->dirty;	2285	return unless $self->dirty;
1928		2286
…		…
1934	return if $self->{deny_save};	2292	return if $self->{deny_save};
1935		2293
1936	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1937		2295
1938	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1940	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1941		2302
1942	if ($uniq) {	2303	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2306	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2308	}
1948	}	2309	}
1949		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1950	sub swap_out {	2319	sub swap_out {
1951	my ($self) = @_;	2320	my ($self) = @_;
1952		2321
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1958	return if $self->players;	2326	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1962	$self->clear;	2337	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2338	}
1965		2339
1966	sub reset_at {	2340	sub reset_at {
1967	my ($self) = @_;	2341	my ($self) = @_;
1968		2342
…		…
1986		2360
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2362
1989	return if $self->players;	2363	return if $self->players;
1990		2364
1991	warn "resetting map ", $self->path;	2365	cf::trace "resetting map ", $self->path, "\n";
1992		2366
1993	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1994		2368
1995	# need to save uniques path	2369	# need to save uniques path
1996	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2374	if $uniq;
2001	}	2375	}
2002		2376
2003	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
2004		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2381	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2382
2009	$self->unlink_save;	2383	$self->unlink_save;
2010	$self->destroy;	2384	$self->destroy;
2011	}	2385	}
2012		2386
2013	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
2014		2388
2015	sub nuke {	2389	sub nuke {
2016	my ($self) = @_;	2390	my ($self) = @_;
2017		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
2018	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
2019		2396
2020	$self->unlink_save;	2397	$self->unlink_save;
2021		2398
2022	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2404
2028	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
2029		2407
2030	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
2031	}	2409	}
2032		2410
2033	=item $maps = cf::map::tmp_maps	2411	=item $maps = cf::map::tmp_maps
…		…
2075		2453
2076	sub unique_maps() {	2454	sub unique_maps() {
2077	[	2455	[
2078	map {	2456	map {
2079	utf8::decode $_;	2457	utf8::decode $_;
2080	/\.map$/	2458	s/\.map$//; # TODO future compatibility hack
		2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
2081	? normalise $_	2461	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2462	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2463	]
2085	}	2464	}
2086		2465
2087	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
2088		2497
2089	=back	2498	=back
2090		2499
2091	=head3 cf::object	2500	=head3 cf::object
2092		2501
…		…
2096		2505
2097	=over 4	2506	=over 4
2098		2507
2099	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
2100		2509
2101	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
2102		2512
2103	=cut	2513	=cut
2104		2514
2105	sub inv_recursive_;	2515	sub inv_recursive_;
2106	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
2109		2519
2110	sub inv_recursive {	2520	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
2112	}	2522	}
2113		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
2114	package cf;	2552	package cf;
2115		2553
2116	=back	2554	=back
2117		2555
2118	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	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	2563	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
2127		2565
2128	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
2129		2581
2130	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2583	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
2140		2592
2141	} else {	2593	} else {
2142	my $pl = $self->contr;	2594	my $pl = $self->contr;
2143		2595
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2597	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2598	$dialog->{pl}->ext_msg ($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		2599
2153	} else {	2600	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2603	}
2157	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
2158	}	2615	}
2159		2616
2160	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
2161		2618
2162	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
2175		2632
2176	=item $player_object->enter_link	2633	=item $player_object->enter_link
2177		2634
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2636
2180	The player should be reasonably safe there for short amounts of time. You	2637	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.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
2182		2641
2183	Will never block.	2642	Will never block.
2184		2643
2185	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
2186		2645
…		…
2206	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2666	my ($self) = @_;
2208		2667
2209	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
2210		2669
		2670	++$self->{_link_recursion};
		2671
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2673
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
2215		2676
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2678	}
2218		2679
2219	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
2221		2682
…		…
2238	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
2240		2701
2241	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
2244		2705
2245	$map->load;	2706	$map->load;
2246	$map->load_diag;	2707	$map->load_neighbours;
2247		2708
2248	return unless $self->contr->active;	2709	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2710
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
2253	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
2254		2718
		2719	}
		2720
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2722
2257	Moves the player to the given map-path and coordinates by first freezing	2723	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	2724	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	2725	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
2261		2731
2262	=cut	2732	=cut
2263		2733
2264	our $GOTOGEN;	2734	our $GOTOGEN;
2265		2735
2266	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
2268		2744
2269	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2747
2272	$self->enter_link;	2748	$self->enter_link;
2273		2749
2274	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
2275	my $map = eval {	2772	my $map = eval {
2276	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
2277		2774
2278	if ($map) {	2775	if ($map) {
2279	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2778	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2780	}
2284		2781
2285	$map	2782	$map
2286	};	2783	};
2287		2784
…		…
2292		2789
2293	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
2296	}	2793	}
		2794
		2795	$done->($self) if $done;
2297	})->prio (1);	2796	})->prio (1);
2298	}	2797	}
2299		2798
2300	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
2301		2800
…		…
2321	}	2820	}
2322		2821
2323	sub prepare_random_map {	2822	sub prepare_random_map {
2324	my ($exit) = @_;	2823	my ($exit) = @_;
2325		2824
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2827	# that depends on the exit object
2331		2828
2332	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2831	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2339	}	2838	}
2340		2839
2341	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2342		2841
2343	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2346		2845
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2848	undef $fh;
2350	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2351		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2354	}	2857	}
2355	}	2858	}
2356		2859
2357	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2359		2862
2360	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2361		2864
2362	if ($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;	2865	$self->enter_link;
2374		2866
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 {	2867	(async {
2380	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2381	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2382	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2383		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2384	1;	2891	1
2385	}) {	2892	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2897
2391	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2899	$self->leave_link;
2393	}	2900	}
2394	})->prio (1);	2901	})->prio (1);
2395	}	2902	}
2396		2903
…		…
2410		2917
2411	utf8::encode $text;	2918	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2920	}
2414		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2948
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2949	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2950	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	2951	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2952	the message unless the client supports the msg packet.
2421		2953
2422	=cut	2954	=cut
2423		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
2424	sub cf::client::send_msg {	3070	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3071	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3072
2427	$msg = $self->pl->expand_cfpod ($msg);	3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
2428		3094
2429	return unless @extra || length $msg;	3095	return unless @extra || length $msg;
2430		3096
2431	if ($self->can_msg) {	3097	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3099	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		3100
2444	if ($color >= 0) {	3101	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3102	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3104	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2455	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2456		3110
2457	Sends an ext event to the client.	3111	Sends an ext event to the client.
2458		3112
2459	=cut	3113	=cut
2460		3114
2461	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2463		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2466	}	3142	}
2467		3143
2468	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2469		3145
2470	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3201	my ($ns, $buf) = @_;
2526		3202
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3204
2529	if (ref $msg) {	3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3213	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3214	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
2536	} else {	3220	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3222	}
2539		3223
2540	cf::override;	3224	cf::override;
2541	},	3225	},
2542	);	3226	);
…		…
2562		3246
2563	$coro	3247	$coro
2564	}	3248	}
2565		3249
2566	cf::client->attach (	3250	cf::client->attach (
2567	on_destroy => sub {	3251	on_client_destroy => sub {
2568	my ($ns) = @_;	3252	my ($ns) = @_;
2569		3253
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3255	},
2572	);	3256	);
…		…
2587	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2589		3273
2590	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2591		3275
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2593		3281
2594	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2595		3283
2596	=pod	3284	=pod
2597		3285
2598	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2599		3287
2600	cf::object	3288	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3289	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3290	insert remove name archname title slaying race decrease split
		3291	value
2603		3292
2604	cf::object::player	3293	cf::object::player
2605	player	3294	player
2606		3295
2607	cf::player	3296	cf::player
…		…
2612		3301
2613	=cut	3302	=cut
2614		3303
2615	for (	3304	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2621	) {	3311	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3314	for @funs;
2626	}	3315	}
2627		3316
…		…
2642		3331
2643	my $qcode = $code;	3332	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2646		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2647	local $_;	3339	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3340
2650	my $eval =	3341	my $eval =
2651	"do {\n"	3342	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3345	. $code
2655	. "\n}"	3346	. "\n}"
2656	;	3347	;
2657		3348
		3349	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2661		3358
2662	if ($@) {	3359	if ($@) {
2663	warn "$@";	3360	warn "$@",
2664	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2666	}	3363	}
2667		3364
2668	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2669	}	3366	}
2670		3367
…		…
2684	=cut	3381	=cut
2685		3382
2686	sub register_script_function {	3383	sub register_script_function {
2687	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2688		3385
2689	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2691	}	3388	}
2692		3389
2693	=back	3390	=back
2694		3391
2695	=cut	3392	=cut
…		…
2698	# the server's init and main functions	3395	# the server's init and main functions
2699		3396
2700	sub load_facedata($) {	3397	sub load_facedata($) {
2701	my ($path) = @_;	3398	my ($path) = @_;
2702		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2703	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2704		3407
2705	my $facedata;
2706	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2707	or die "$path: $!";	3409	or die "$path: $!";
2708		3410
2709	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2710		3412
2711	$facedata->{version} == 2	3413	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2714	{	3425	{
2715	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2716		3427
2717	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3435
		3436	cf::cede_to_tick;
2723	}	3437	}
2724		3438
2725	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2727	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2728	or next;	3443	or next;
		3444
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3448	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3450	}
2734	Coro::cede;	3451
		3452	cf::cede_to_tick;
2735	}	3453	}
2736	}	3454	}
2737		3455
2738	{	3456	{
2739	my $anims = $facedata->{animinfo};	3457	my $anims = $facedata->{animinfo};
2740		3458
2741	while (my ($anim, $info) = each %$anims) {	3459	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3461	cf::cede_to_tick;
2744	}	3462	}
2745		3463
2746	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2747	}	3465	}
2748		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2749	1	3486	1
2750	}	3487	}
2751		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2752	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2753	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
2755	}	3519	}
2756		3520
2757	sub reload_facedata {	3521	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3522	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
2760	}	3524	}
2761		3525
2762	sub reload_archetypes {	3526	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3527	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3528	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	}	3529	}
2771		3530
2772	sub reload_treasures {	3531	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2775	}	3534	}
2776		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2777	sub reload_resources {	3559	sub reload_resources {
2778	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2779		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2780	reload_regions;	3567	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3568	reload_treasures;
2785		3569
2786	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2787	}	3571	}
2788		3572
2789	sub init {	3573	sub reload_config {
2790	reload_resources;	3574	trace "reloading config file...\n";
2791	}
2792		3575
2793	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
2795	or return;
2796		3578
2797	local $/;	3579	utf8::decode $config;
2798	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2799		3581
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3583
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$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};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3586
2805	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2809	};	3591	};
2810	warn $@ if $@;	3592	warn $@ if $@;
2811	}	3593	}
2812	}	3594	}
2813		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2814	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2815	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3637	(async {
2819	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2821	};	3641	};
2822		3642
2823	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2824	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2825	load_extensions;	3666	load_extensions;
2826		3667
2827	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2829	}	3686	}
2830		3687
2831	#############################################################################	3688	#############################################################################
2832	# initialisation and cleanup	3689	# initialisation and cleanup
2833		3690
2834	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2835	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3695	$SIGWATCHER{$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";	3696	cf::cleanup "SIG$signal";
2844	},
2845	);	3697	};
2846	}	3698	}
2847	}	3699	}
2848		3700
2849	sub write_runtime {	3701	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3702	my $t0 = AE::time;
2851		3703
2852	# first touch the runtime file to show we are still running:	3704	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3705	# the fsync below can take a very very long time.
2854		3706
2855	IO::AIO::aio_utime $runtime, undef, undef;	3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3708
2857	my $guard = cf::lock_acquire "write_runtime";	3709	my $guard = cf::lock_acquire "write_runtime";
2858		3710
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3712	or return;
2861		3713
2862	my $value = $cf::RUNTIME + 90 + 10;	3714	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3715	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3716	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3726	aio_utime $fh, undef, undef;
2875		3727
2876	close $fh	3728	close $fh
2877	or return;	3729	or return;
2878		3730
2879	aio_rename "$runtime~", $runtime	3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3732	and return;
2881		3733
2882	warn "runtime file written.\n";	3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3735
2884	1	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2885	}	3787	}
2886		3788
2887	sub emergency_save() {	3789	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2889		3791
2890	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2891		3798
2892	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2893	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3810	$pl->save;
2901	}	3811	}
2902	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2903		3813
2904	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3819	$map->valid or next;
2908	$map->save;	3820	$map->save;
2909	}	3821	}
2910	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2911		3823
2912	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2915	};	3852	};
2916		3853
2917	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2918	}	3855	}
2919		3856
2920	sub post_cleanup {	3857	sub post_cleanup {
2921	my ($make_core) = @_;	3858	my ($make_core) = @_;
2922		3859
		3860	IO::AIO::flush;
		3861
2923	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2925	}	3892	}
2926		3893
2927	sub do_reload_perl() {	3894	sub do_reload_perl() {
2928	# can/must only be called in main	3895	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2930	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2931	return;	3898	return;
2932	}	3899	}
2933		3900
2934	warn "reloading...";	3901	return if $RELOAD++;
2935		3902
2936	warn "entering sync_job";	3903	my $t1 = AE::time;
2937		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2938	cf::sync_job {	3911	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	3912	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		3913
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";	3914	trace "perl_reload: cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	3916	%EXT_CORO = ();
2967		3917
2968	warn "removing commands";	3918	trace "perl_reload: removing commands";
2969	%COMMAND = ();	3919	%COMMAND = ();
2970		3920
2971	warn "removing ext/exti commands";	3921	trace "perl_reload: removing ext/exti commands";
2972	%EXTCMD = ();	3922	%EXTCMD = ();
2973	%EXTICMD = ();	3923	%EXTICMD = ();
2974		3924
2975	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2978		3928
2979	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2980	eval {	3930	eval {
2981	$cb->($pkg);	3931	$cb->($pkg);
2982	1	3932	1
2983	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2984	}	3938	}
2985		3939
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3943
2994	warn "... unloading $k";	3944	trace "... unloading $k";
2995	delete $INC{$k};	3945	delete $INC{$k};
2996		3946
2997	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2999		3949
3000	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
3002	}	3955	}
3003		3956
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3960
3011	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3964
3015	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3966	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
3018		3968
3019	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
3020		3970
3021	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
3022	require cf;	3972	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
3024		3974
3025	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
3026	cf::cfg_load;	3976	cf::reload_config;
3027		3977
3028	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
3029	cf::load_extensions;	3979	cf::load_extensions;
3030		3980
		3981	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
3037		3989
3038	warn "leaving sync_job";	3990	cf::_post_init 1;
3039		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
3040	1	3994	1
3041	} or do {	3995	} or do {
3042	warn $@;	3996	error $@;
3043	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
3044	exit 1;	3998	};
		3999
		4000	--$RELOAD;
3045	};	4001	}
3046		4002
3047	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
3048	};	4005	};
3049		4006
3050	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
3051		4008
3052	sub reload_perl() {	4009	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
3055		4012
3056	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4015
3059	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4017	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
3063	},	4019	};
3064	);	4020	};
3065	}	4021	}
3066		4022
3067	register_command "reload" => sub {	4023	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
3069		4025
3070	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4030	reload_perl;
		4031	};
3073	}	4032	}
3074	};	4033	};
3075		4034
3076	unshift @INC, $LIBDIR;	4035	#############################################################################
3077		4036
3078	my $bug_warning = 0;	4037	my $bug_warning = 0;
3079		4038
3080	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
3082		4041
3083	sub wait_for_tick {	4042	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		4044
3087	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	4047	$signal->wait;
3090	}	4048	}
3091		4049
3092	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4052
3096	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4055	$signal->wait;
3099	}	4056	}
3100		4057
3101	my $min = 1e6;#d#	4058	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 != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
3113	return;	4062	return;
3114	}	4063	}
3115		4064
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
3119		4066
3120	0 && sync_job {#d#	4067	#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		4068
3126	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4071	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4073	write_runtime_sync
3131		4074	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	};	4075	};
		4076	}
3142		4077
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) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4079	$sig->send;
3159	}	4080	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4082	$sig->send;
3162	}	4083	}
3163		4084
3164	$NOW = Event::time;	4085	$LOAD = ($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;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4087
3175	_post_tick;	4088	if (0) {
3176		4089	if ($NEXT_TICK) {
3177		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
3178	},	4094	}
3179	);	4095	}
3180		4096
3181	{	4097	{
3182	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4099
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;	4100	BDB::min_parallel 16;
3192		4101	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4102	$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	$! = $status;
3204	},
3205	)
3206	};
3207		4103
3208	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4111
3211	cf::sync_job {	4112	cf::sync_job {
3212	eval {	4113	eval {
3213	BDB::db_env_open	4114	BDB::db_env_open
3214	$DB_ENV,	4115	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4119	0666;
3219		4120
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($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	};	4122	};
3225		4123
3226	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4125	};
3228	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
3229	}	4137	}
3230		4138
3231	{	4139	{
		4140	# configure IO::AIO
		4141
3232	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4144	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	}	4145	}
3245		4146
3246	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
3247		4149
3248	sub _log_backtrace {	4150	sub _log_backtrace {
3249	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
3250		4152
3251	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
3252		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3253	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3255	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3256	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3257	my @bt = fork_call {	4166	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3269	}	4178	}
3270		4179
3271	@funcs	4180	@funcs
3272	};	4181	};
3273		4182
3274	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4186	--$_log_backtrace;
3277	};	4187	};
3278	} else {	4188	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3281	}	4191	}
3282	}	4192	}
3283		4193
3284	# load additional modules	4194	# load additional modules
3285	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3286		4197
3287	END { cf::emergency_save }	4198	END { cf::emergency_save }
3288		4199
3289	1	4200	1
3290		4201

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