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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	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::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	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
166	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
167	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.
168		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
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$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;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	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	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
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
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		404
251	=item cf::lock_wait $string	405	=item cf::lock_wait $string
252		406
253	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
254		408
255	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
256		410
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
260	returned.	414	returned.
261		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
262	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
263	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
264		421
265	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
266		423
267	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.
268		425
269	=cut	426	=cut
270		427
271	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
272		429
273	sub lock_wait($) {	430	sub lock_wait($) {
274	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	432	}
282		433
283	sub lock_acquire($) {	434	sub lock_acquire($) {
284	my ($key) = @_;	435	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	436	}
296		437
297	sub lock_active($) {	438	sub lock_active($) {
298	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	440	}
302		441
303	sub freeze_mainloop {	442	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
305		444
306	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
308	};	512	}
309	$TICK_WATCHER->stop;	513	};
310	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
311	}	528	}
312		529
313	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
314		531
315	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		537
321	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
322		539
323	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
324		541
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	545	acceptable.
329		546
330	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	552	=cut
336		553
337	sub sync_job(&) {	554	sub sync_job(&) {
338	my ($job) = @_;	555	my ($job) = @_;
339		556
340	if ($Coro::current == $Coro::main) {	557	if (in_main) {
341	my $time = Event::time;	558	my $time = AE::time;
342		559
343	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
345		562
346	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	564
348	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
349		566
350	my $busy = 1;	567	my $busy = 1;
351	my @res;	568	my @res;
352		569
353	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	572	@res = eval { $job->() };
355	warn $@ if $@;	573	error $@ if $@;
356	undef $busy;	574	undef $busy;
357	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
358		576
359	while ($busy) {	577	while ($busy) {
360	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
361	}	582	}
		583	}
362		584
363	$time = Event::time - $time;	585	my $time = AE::time - $time;
364		586
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
369		588
370	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
371	} else {	590	} else {
372	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
373		592
…		…
393	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
394		613
395	$coro	614	$coro
396	}	615	}
397		616
398	=item fork_call { }, $args	617	=item fork_call { }, @args
399		618
400	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
404		623
405	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
406		629
407	sub fork_call(&@) {	630	sub fork_call(&@) {
408	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
409		632
410	# 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,
411	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		636
415	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
416	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
417		641
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	643	}
420		644
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	681	}
441		682
442	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
443		684
444	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
447		688
448	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
449	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).
450		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
451	=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	}
452		718
453	our $DB;	719	our $DB;
454		720
455	sub db_init {	721	sub db_init {
456	unless ($DB) {	722	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	723	}
471		724
472	sub db_get($$) {	725	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
474		727
475	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
476	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
477		732
478	$! ? ()	733	$! ? ()
479	: $data	734	: $data
480	}
481	}	735	}
482		736
483	sub db_put($$$) {	737	sub db_put($$$) {
484	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	778	if (1) {
525	$md5 =	779	$md5 =
526	join "\x00",	780	join "\x00",
527	$processversion,	781	$processversion,
528	map {	782	map {
529	Coro::cede;	783	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	785	} 0.. $#$src;
532		786
533		787
534	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		795
542	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	797	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
545		799
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		801
548	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
551		805
…		…
561		815
562	=cut	816	=cut
563		817
564	sub datalog($@) {	818	sub datalog($@) {
565	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	821	}
568		822
569	=back	823	=back
570		824
571	=cut	825	=cut
572		826
573	#############################################################################	827	#############################################################################
574		828
575	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
576		830
577	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
578	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")
579	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
580		834
581	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>
582	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
583	Crossfire TRT).	837	Deliantra).
584		838
585	=over 4	839	=over 4
586		840
587	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
588		842
…		…
632	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
633		887
634	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
635	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
636		890
637	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		893
640	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
641		895
642	=over 4	896	=over 4
…		…
766		1020
767	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1023
770	} elsif (ref $type) {	1024	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
772		1026
773	} else {	1027	} else {
774	shift @arg;	1028	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
776	}	1030	}
777	}	1031	}
778	}	1032	}
779		1033
780	sub _object_attach {	1034	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
791	}	1045	}
792		1046
793	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
794	} else {	1048	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1050	}
797		1051
798	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
799	}	1053	}
800		1054
…		…
840	";	1094	";
841	die if $@;	1095	die if $@;
842	}	1096	}
843		1097
844	our $override;	1098	our $override;
845	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?
846		1100
847	sub override {	1101	sub override {
848	$override = 1;	1102	$override = 1;
849	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
850	}	1104	}
851		1105
852	sub do_invoke {	1106	sub do_invoke {
853	my $event = shift;	1107	my $event = shift;
854	my $callbacks = shift;	1108	my $callbacks = shift;
855		1109
856	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
857		1111
858	local $override;	1112	local $override;
859		1113
860	for (@$callbacks) {	1114	for (@$callbacks) {
861	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
862		1116
863	if ($@) {	1117	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1119	override;
867	}	1120	}
868		1121
869	return 1 if $override;	1122	return 1 if $override;
870	}	1123	}
871		1124
872	0	1125	0
873	}	1126	}
874		1127
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1129
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1131
879	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
880		1133
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1137
885	=back	1138	=back
886		1139
887	=cut	1140	=cut
888		1141
889	#############################################################################	1142	#############################################################################
890	# 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	}
891		1186
892	sub reattach {	1187	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1189	my ($obj) = @_;
895		1190
		1191	# no longer needed after getting rid of delete_package?
896	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
897		1193
898	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
899		1195
900	@$registry = ();	1196	@$registry = ();
901		1197
…		…
906	for (@$attach) {	1202	for (@$attach) {
907	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
909	}	1205	}
910	} else {	1206	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1208	}
913	}	1209	}
914	}	1210	}
915		1211
916	cf::attachable->attach (	1212	cf::attachable->attach (
917	prio => -1000000,	1213	prio => -1000000,
918	on_instantiate => sub {	1214	on_instantiate => sub {
919	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
920		1216
921	$data = from_json $data;	1217	$data = decode_json $data;
922		1218
923	for (@$data) {	1219	for (@$data) {
924	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
925		1221
926	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1238	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
944		1240
945	sync_job {	1241	sync_job {
946	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
949		1247
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1255	aio_close $fh;
955		1256
956	if (@$objs) {	1257	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1266	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
964	}	1268	}
965	} else {	1269	} else {
966	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
967	}	1271	}
968		1272
969	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1277	} else {
971	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
972	}	1279	}
973	} else {	1280	} else {
974	aio_unlink $filename;	1281	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
976	}	1283	}
977	}	1284	};
978	}	1285	}
979		1286
980	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
982		1289
…		…
994	or return;	1301	or return;
995		1302
996	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
998	or return;	1305	or return;
		1306
999	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1000	}	1309	}
1001		1310
		1311	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1004	return ($data, $av);	1316	($data, $av)
1005	}	1317	}
1006		1318
1007	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1008		1320
1009	=over 4	1321	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1342	}
1031		1343
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1345
1034	Register a callback fro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
1035		1351
1036	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
1037	called.	1353	called.
1038		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
1039	=cut	1366	=cut
1040		1367
1041	sub register_extcmd {	1368	sub register_extcmd {
1042	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
1043		1370
1044	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
1045	}	1372	}
1046		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
1047	cf::player->attach (	1382	cf::player->attach (
1048	on_command => sub {	1383	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1050		1385
1051	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1052	or return;	1387	or return;
1053		1388
…		…
1058	cf::override;	1393	cf::override;
1059	},	1394	},
1060	on_extcmd => sub {	1395	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1062		1397
1063	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1399
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1071	} else {	1415	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1417	}
1074		1418
1075	cf::override;	1419	cf::override;
1076	},	1420	},
1077	);	1421	);
1078		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
1079	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1080	cf::sync_job {	1439	cf::sync_job {
1081	my %todo;	1440	my %todo;
1082		1441
1083	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1443	next unless -r $path;
…		…
1102		1461
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1464
1106	$ext{source} =	1465	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1109	. $source	1468	. $source
1110	. "\n};\n1";	1469	. "\n};\n1";
1111		1470
1112	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1113	}	1472	}
1114		1473
		1474	my $pass = 0;
1115	my %done;	1475	my %done;
1116	while (%todo) {	1476	while (%todo) {
1117	my $progress;	1477	my $progress;
1118		1478
		1479	++$pass;
		1480
		1481	ext:
1119	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1484	next ext
1122	unless exists $done{$_};	1485	unless exists $done{$_};
1123	}	1486	}
1124		1487
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1489
1127	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1132	warn $msg;	1497
1133	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1499	delete $todo{$k};
1135	}	1500	} else {
1136		1501	$done{$k} = delete $todo{$k};
1137	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1138	}	1507	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1508	}
1144		1509
1145	skip:	1510	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1518	}
1149	};	1519	};
1150	}	1520	}
1151		1521
1152	#############################################################################	1522	#############################################################################
1153		1523
1154	=back	1524	=back
1155		1525
1156	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1157		1527
1158	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1159		1529
1160	=cut	1530	=cut
1161		1531
1162	package cf::player;	1532	package cf::player;
1163		1533
1164	use Coro::AIO;	1534	use Coro::AIO;
1165		1535
1166	=head3 cf::player	1536	=head3 cf::player
1167		1537
1168	=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	}
1169		1553
1170	=item cf::player::find $login	1554	=item cf::player::find $login
1171		1555
1172	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1173		1557
…		…
1192		1576
1193	sub exists($) {	1577	sub exists($) {
1194	my ($login) = @_;	1578	my ($login) = @_;
1195		1579
1196	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1198	}	1582	}
1199		1583
1200	sub find($) {	1584	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1586	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1597
1214	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1217	}	1607	}
1218	}	1608	}
1219	}	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	);
1220		1623
1221	sub save($) {	1624	sub save($) {
1222	my ($pl) = @_;	1625	my ($pl) = @_;
1223		1626
1224	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1230		1633
1231	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1235	Coro::cede;	1643	cf::cede_to_tick;
1236	}	1644	}
1237		1645
1238	sub new($) {	1646	sub new($) {
1239	my ($login) = @_;	1647	my ($login) = @_;
1240		1648
…		…
1246	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1247		1655
1248	$self	1656	$self
1249	}	1657	}
1250		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
1251	=item $pl->quit_character	1669	=item $pl->quit_character
1252		1670
1253	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
1254	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1255		1673
…		…
1259	my ($pl) = @_;	1677	my ($pl) = @_;
1260		1678
1261	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1262		1680
1263	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1264	$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
1265		1683
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1269	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1270		1692
1271	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1308	or return [];	1730	or return [];
1309		1731
1310	my @logins;	1732	my @logins;
1311		1733
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1316		1744
1317	utf8::decode $login;	1745	utf8::decode $login;
1318	push @logins, $login;	1746	push @logins, $login;
1319	}	1747	}
1320		1748
1321	\@logins	1749	\@logins
1322	}	1750	}
1323		1751
1324	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1325		1755
1326	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1327	player. May block.	1757	player. May block.
1328		1758
1329	=cut	1759	=cut
…		…
1347	}	1777	}
1348		1778
1349	\@paths	1779	\@paths
1350	}	1780	}
1351		1781
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1783
1354	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1355		1785
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1386		1787
1387	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1388		1789
1389	=cut	1790	=cut
1390		1791
1391	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1393		1794
1394	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1796	}
1398		1797
1399	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1400		1799
1401	Sends an ext event to the client.	1800	Sends an ext event to the client.
1402		1801
1403	=cut	1802	=cut
1404		1803
1405	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1407		1806
1408	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1409	}	1808	}
1410		1809
1411	=head3 cf::region	1810	=head3 cf::region
1412		1811
1413	=over 4	1812	=over 4
…		…
1423	=cut	1822	=cut
1424		1823
1425	sub find_by_path($) {	1824	sub find_by_path($) {
1426	my ($path) = @_;	1825	my ($path) = @_;
1427		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1428	my ($match, $specificity);	1829	my ($match, $specificity);
1429		1830
1430	for my $region (list) {	1831	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1434	}	1835	}
1435	}	1836	}
1436		1837
…		…
1457	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1459		1860
1460	sub generate_random_map {	1861	sub generate_random_map {
1461	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
1462	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1867	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1485		1889
1486	sub register {	1890	sub register {
1487	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	1892	my $pkg = caller;
1489		1893
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		1895
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1897	}
1495		1898
1496	# also paths starting with '/'	1899	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1901
1499	sub thawer_merge {	1902	sub thawer_merge {
1500	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1501		1904
1502	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1507	}	1910	}
1508		1911
1509	sub normalise {	1912	sub normalise {
1510	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1511		1914
1512	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1513		1916
1514	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1515		1918
1516	# map plan:	1919	# map plan:
1517	#	1920	#
…		…
1556	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1557	return $self;	1960	return $self;
1558	}	1961	}
1559	}	1962	}
1560		1963
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	1965	()
1563	}	1966	}
1564		1967
1565	sub init {	1968	sub init {
1566	my ($self) = @_;	1969	my ($self) = @_;
…		…
1588		1991
1589	# the temporary/swap location	1992	# the temporary/swap location
1590	sub save_path {	1993	sub save_path {
1591	my ($self) = @_;	1994	my ($self) = @_;
1592		1995
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1595	}	1998	}
1596		1999
1597	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1598	sub uniq_path {	2001	sub uniq_path {
1599	my ($self) = @_;	2002	my ($self) = @_;
1600		2003
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	2006	}
1613		2007
1614	sub decay_objects {	2008	sub decay_objects {
1615	my ($self) = @_;	2009	my ($self) = @_;
1616		2010
…		…
1629		2023
1630	sub load_header_from($) {	2024	sub load_header_from($) {
1631	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1632		2026
1633	utf8::encode $path;	2027	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1639		2036
1640	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1641		2038
1642	1	2039	1
1643	}	2040	}
…		…
1695		2092
1696	sub find;	2093	sub find;
1697	sub find {	2094	sub find {
1698	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1699		2096
		2097	cf::cede_to_tick;
		2098
1700	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1701		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2103
1704	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1707	or return;	2106	or return;
1708		2107
1709	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1710		2109
…		…
1712	or return;	2111	or return;
1713		2112
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1717	$map->reset;	2118	$map->reset;
1718	undef $guard;
1719	return find $path;	2119	return find $path;
1720	}	2120	}
1721		2121
1722	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1723	}	2123	}
1724	}	2124	}
1725		2125
1726	sub pre_load { }	2126	sub pre_load { }
1727	sub post_load { }	2127	#sub post_load { } # XS
1728		2128
1729	sub load {	2129	sub load {
1730	my ($self) = @_;	2130	my ($self) = @_;
1731		2131
1732	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1733		2133
1734	my $path = $self->{path};	2134	my $path = $self->{path};
1735		2135
1736	{	2136	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1738		2138
		2139	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2141
1741	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1742		2143
1743	$self->alloc;	2144	$self->alloc;
1744		2145
1745	$self->pre_load;	2146	$self->pre_load;
1746	Coro::cede;	2147	cf::cede_to_tick;
1747		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1749	or return;	2152	or return;
1750		2153
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1752	if delete $self->{load_original};	2155	if delete $self->{load_original};
1753		2156
1754	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2158	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2161	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1759	}	2165	}
1760	}	2166	}
1761		2167
1762	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1763	# now do the right thing for maps	2171	# now do the right thing for maps
1764	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2174	unless $self->difficulty;
1767	Coro::cede;	2175	cf::cede_to_tick;
1768		2176
1769	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2178	$self->decay_objects;
1771	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1772	$self->update_buttons;	2180	$self->update_buttons;
1773	Coro::cede;	2181	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2182	$self->activate;
1777	}	2183	}
1778		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2189	}
1781		2190
1782	$self->post_load;	2191	$self->post_load;
1783	}	2192	}
1784		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2197	sub customise_for {
1786	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1787		2199
1788	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2201	if $self->per_player;
…		…
1793		2205
1794	$self	2206	$self
1795	}	2207	}
1796		2208
1797	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2210	sub load_neighbours {
1799	my ($map) = @_;	2211	my ($map) = @_;
1800		2212
1801	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1802		2214
1803	for (0 .. 3) {	2215	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1805	or next;	2217	or next;
1806	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1807	or next;	2219	or next;
1808	$neigh->load;	2220	$neigh->load;
1809		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2226	}
1813		2227
1814	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1816	or next;	2231	or next;
1817	$neigh->load;	2232	$neigh->load;
1818	}	2233	}
1819	}	2234	}
1820		2235
1821	sub find_sync {	2236	sub find_sync {
1822	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1823		2238
1824	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1825	}	2243	}
1826		2244
1827	sub do_load_sync {	2245	sub do_load_sync {
1828	my ($map) = @_;	2246	my ($map) = @_;
1829		2247
1830	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1831	}	2252	}
1832		2253
1833	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1835		2256
1836	sub find_async {	2257	sub find_async {
1837	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1838		2259
1839	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1840		2261
1841	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2264	}
1844		2265
1845	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1846	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1847	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2273	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2274	$map->load if $v;
		2275	}
1852		2276
1853	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1854	}	2278	}
1855	}	2279	}
1856	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1857	};	2281	};
1858	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1859		2283
1860	()	2284	()
1861	}	2285	}
1862		2286
		2287	# common code, used by both ->save and ->swapout
1863	sub save {	2288	sub _save {
1864	my ($self) = @_;	2289	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2290
1868	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1869		2292
1870	return unless $self->dirty;	2293	return unless $self->dirty;
1871		2294
…		…
1877	return if $self->{deny_save};	2300	return if $self->{deny_save};
1878		2301
1879	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1880		2303
1881	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1883	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1884		2310
1885	if ($uniq) {	2311	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2314	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2316	}
1891	}	2317	}
1892		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1893	sub swap_out {	2327	sub swap_out {
1894	my ($self) = @_;	2328	my ($self) = @_;
1895		2329
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1901	return if $self->players;	2334	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1905	$self->clear;	2345	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2346	}
1908		2347
1909	sub reset_at {	2348	sub reset_at {
1910	my ($self) = @_;	2349	my ($self) = @_;
1911		2350
…		…
1929		2368
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2370
1932	return if $self->players;	2371	return if $self->players;
1933		2372
1934	warn "resetting map ", $self->path;	2373	cf::trace "resetting map ", $self->path, "\n";
1935		2374
1936	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
1937		2376
1938	# need to save uniques path	2377	# need to save uniques path
1939	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2382	if $uniq;
1944	}	2383	}
1945		2384
1946	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1947		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2389	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2390
1952	$self->unlink_save;	2391	$self->unlink_save;
1953	$self->destroy;	2392	$self->destroy;
1954	}	2393	}
1955		2394
1956	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1957		2396
1958	sub nuke {	2397	sub nuke {
1959	my ($self) = @_;	2398	my ($self) = @_;
1960		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1961	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1962		2404
1963	$self->unlink_save;	2405	$self->unlink_save;
1964		2406
1965	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2412
1971	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1972		2415
1973	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
1974	}	2417	}
1975		2418
1976	=item $maps = cf::map::tmp_maps	2419	=item $maps = cf::map::tmp_maps
…		…
2018		2461
2019	sub unique_maps() {	2462	sub unique_maps() {
2020	[	2463	[
2021	map {	2464	map {
2022	utf8::decode $_;	2465	utf8::decode $_;
2023	/\.map$/	2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
2024	? normalise $_	2469	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2470	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2471	]
2028	}	2472	}
2029		2473
2030	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
2031		2505
2032	=back	2506	=back
2033		2507
2034	=head3 cf::object	2508	=head3 cf::object
2035		2509
…		…
2039		2513
2040	=over 4	2514	=over 4
2041		2515
2042	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
2043		2517
2044	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
2045		2520
2046	=cut	2521	=cut
2047		2522
2048	sub inv_recursive_;	2523	sub inv_recursive_;
2049	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
2052		2527
2053	sub inv_recursive {	2528	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
2055	}	2530	}
2056		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
2057	package cf;	2560	package cf;
2058		2561
2059	=back	2562	=back
2060		2563
2061	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
2070		2573
2071	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
2072		2589
2073	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2591	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
2083		2600
2084	} else {	2601	} else {
2085	my $pl = $self->contr;	2602	my $pl = $self->contr;
2086		2603
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2605	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2607
2096	} else {	2608	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2611	}
2100	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
2101	}	2623	}
2102		2624
2103	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
2104		2626
2105	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
2118		2640
2119	=item $player_object->enter_link	2641	=item $player_object->enter_link
2120		2642
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2644
2123	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
2125		2649
2126	Will never block.	2650	Will never block.
2127		2651
2128	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
2129		2653
…		…
2149	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2674	my ($self) = @_;
2151		2675
2152	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
2153		2677
		2678	++$self->{_link_recursion};
		2679
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2681
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2683	if $self->map && $self->map->{path} ne "{link}";
2158		2684
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2686	}
2161		2687
2162	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
2164		2690
…		…
2181	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
2183		2709
2184	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
2187		2713
2188	$map->load;	2714	$map->load;
2189	$map->load_diag;	2715	$map->load_neighbours;
2190		2716
2191	return unless $self->contr->active;	2717	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2718
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
2196	}	2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
		2724	$self->activate_recursive;
		2725	}
2197		2726
		2727	}
		2728
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2730
2200	Moves the player to the given map-path and coordinates by first freezing	2731	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2732	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2733	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
2204		2739
2205	=cut	2740	=cut
2206		2741
2207	our $GOTOGEN;	2742	our $GOTOGEN;
2208		2743
2209	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
2211		2752
2212	# do generation counting so two concurrent goto's will be executed in-order	2753	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2755
2215	$self->enter_link;	2756	$self->enter_link;
2216		2757
2217	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
2218	my $map = eval {	2780	my $map = eval {
2219	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
2220		2782
2221	if ($map) {	2783	if ($map) {
2222	$map = $map->customise_for ($self);	2784	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2785	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2786	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2788	}
2227		2789
2228	$map	2790	$map
2229	};	2791	};
2230		2792
…		…
2235		2797
2236	if ($gen == $self->{_goto_generation}) {	2798	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2799	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
2239	}	2801	}
		2802
		2803	$done->($self) if $done;
2240	})->prio (1);	2804	})->prio (1);
2241	}	2805	}
2242		2806
2243	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
2244		2808
…		…
2264	}	2828	}
2265		2829
2266	sub prepare_random_map {	2830	sub prepare_random_map {
2267	my ($exit) = @_;	2831	my ($exit) = @_;
2268		2832
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2835	# that depends on the exit object
2274		2836
2275	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2839	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
2282	}	2846	}
2283		2847
2284	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
2285		2849
2286	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
2289		2853
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2856	undef $fh;
2293	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
2294		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
2297	}	2865	}
2298	}	2866	}
2299		2867
2300	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
2302		2870
2303	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
2304		2872
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2873	$self->enter_link;
2317		2874
2318	(async {	2875	(async {
2319	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
2320	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
2321	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
2322		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
2323	1;	2899	1
2324	}) {	2900	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2905
2330	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	2907	$self->leave_link;
2332	}	2908	}
2333	})->prio (1);	2909	})->prio (1);
2334	}	2910	}
2335		2911
…		…
2349		2925
2350	utf8::encode $text;	2926	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2928	}
2353		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2956
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2957	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2958	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2959	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2960	the message unless the client supports the msg packet.
2360		2961
2361	=cut	2962	=cut
2362		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
2363	sub cf::client::send_msg {	3078	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3079	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3080
2366	$msg = $self->pl->expand_cfpod ($msg);	3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
2367		3083
2368	if ($self->can_msg) {	3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380		3085
2381	if ($color >= 0) {	3086	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3087	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3088	$channel = $CHANNEL{$channel};
2384	} else {	3089
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3090	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
2387	}	3098	}
2388	}
2389	}
2390	}
2391		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
2392	=item $client->ext_event ($type, %msg)	3117	=item $client->ext_msg ($type, @msg)
2393		3118
2394	Sends an exti event to the client.	3119	Sends an ext event to the client.
2395		3120
2396	=cut	3121	=cut
2397		3122
2398	sub cf::client::ext_event($$%) {	3123	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3124	my ($self, $type, @msg) = @_;
2400		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3129	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
2403	}	3150	}
2404		3151
2405	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2406		3153
2407	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3155	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3157
2411	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3159	become reliable at some point in the future.
2413		3160
2414	=cut	3161	=cut
2415		3162
2416	sub cf::client::query {	3163	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3172	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3174
2428	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
2430	}	3179	}
2431		3180
2432	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
2433	on_reply => sub {	3187	on_reply => sub {
2434	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
2435		3189
2436	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
2437	# get handled first	3191	# get handled first
…		…
2449	} else {	3203	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3205	}
2452	}	3206	}
2453	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
2454	);	3234	);
2455		3235
2456	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
2457		3237
2458	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3254
2475	$coro	3255	$coro
2476	}	3256	}
2477		3257
2478	cf::client->attach (	3258	cf::client->attach (
2479	on_destroy => sub {	3259	on_client_destroy => sub {
2480	my ($ns) = @_;	3260	my ($ns) = @_;
2481		3261
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3263	},
2484	);	3264	);
…		…
2499	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2501		3281
2502	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2503		3283
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2505		3289
2506	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2507		3291
2508	=pod	3292	=pod
2509		3293
2510	The following functions and methods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2511		3295
2512	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2513	cf::object::player player	3301	cf::object::player
2514	cf::player peaceful	3302	player
2515	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2516		3309
2517	=cut	3310	=cut
2518		3311
2519	for (	3312	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2524	) {	3319	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3322	for @funs;
2529	}	3323	}
2530		3324
…		…
2545		3339
2546	my $qcode = $code;	3340	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2549		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2550	local $_;	3347	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3348
2553	my $eval =	3349	my $eval =
2554	"do {\n"	3350	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3353	. $code
2558	. "\n}"	3354	. "\n}"
2559	;	3355	;
2560		3356
		3357	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2564		3366
2565	if ($@) {	3367	if ($@) {
2566	warn "$@";	3368	warn "$@",
2567	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2569	}	3371	}
2570		3372
2571	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2572	}	3374	}
2573		3375
…		…
2587	=cut	3389	=cut
2588		3390
2589	sub register_script_function {	3391	sub register_script_function {
2590	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2591		3393
2592	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2594	}	3396	}
2595		3397
2596	=back	3398	=back
2597		3399
2598	=cut	3400	=cut
…		…
2601	# the server's init and main functions	3403	# the server's init and main functions
2602		3404
2603	sub load_facedata($) {	3405	sub load_facedata($) {
2604	my ($path) = @_;	3406	my ($path) = @_;
2605		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
2606	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2607		3415
2608	my $facedata;
2609	0 < aio_load $path, $facedata	3416	0 < aio_load $path, my $facedata
2610	or die "$path: $!";	3417	or die "$path: $!";
2611		3418
2612	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2613		3420
2614	$facedata->{version} == 2	3421	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2617	{	3433	{
2618	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2619		3435
2620	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3443
		3444	cf::cede_to_tick;
2626	}	3445	}
2627		3446
2628	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2630	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2631	or next;	3451	or next;
		3452
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3456	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3458	}
2637	Coro::cede;	3459
		3460	cf::cede_to_tick;
2638	}	3461	}
2639	}	3462	}
2640		3463
2641	{	3464	{
2642	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2643		3466
2644	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3469	cf::cede_to_tick;
2647	}	3470	}
2648		3471
2649	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2650	}	3473	}
2651		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2652	1	3494	1
2653	}	3495	}
2654		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2655	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2656	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
2658	}	3527	}
2659		3528
2660	sub reload_facedata {	3529	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
…		…
2670	sub reload_treasures {	3539	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2673	}	3542	}
2674		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2675	sub reload_resources {	3567	sub reload_resources {
2676	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2677		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2678	reload_regions;	3575	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3576	reload_treasures;
2683		3577
2684	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2685	}	3579	}
2686		3580
2687	sub init {	3581	sub reload_config {
2688	reload_resources;	3582	trace "reloading config file...\n";
2689	}
2690		3583
2691	sub cfg_load {	3584	0 < aio_load "$CONFDIR/config", my $config
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3585	or die "$CONFDIR/config: $!";
2693	or return;
2694		3586
2695	local $/;	3587	utf8::decode $config;
2696	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = yaml_load $config;
2697		3589
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3591
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3594
2703	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2707	};	3599	};
2708	warn $@ if $@;	3600	warn $@ if $@;
2709	}	3601	}
2710	}	3602	}
2711		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2712	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2713	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3645	(async {
2717	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2719	};	3649	};
2720		3650
2721	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
2722	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2723	load_extensions;	3674	load_extensions;
2724		3675
2725	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2727	}	3694	}
2728		3695
2729	#############################################################################	3696	#############################################################################
2730	# initialisation and cleanup	3697	# initialisation and cleanup
2731		3698
2732	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2733	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2742	},
2743	);	3705	};
2744	}	3706	}
2745	}	3707	}
2746		3708
2747	sub write_runtime {	3709	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3710	my $t0 = AE::time;
2749		3711
2750	# first touch the runtime file to show we are still running:	3712	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3713	# the fsync below can take a very very long time.
2752		3714
2753	IO::AIO::aio_utime $runtime, undef, undef;	3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3716
2755	my $guard = cf::lock_acquire "write_runtime";	3717	my $guard = cf::lock_acquire "write_runtime";
2756		3718
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3720	or return;
2759		3721
2760	my $value = $cf::RUNTIME + 90 + 10;	3722	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3723	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3724	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3734	aio_utime $fh, undef, undef;
2773		3735
2774	close $fh	3736	close $fh
2775	or return;	3737	or return;
2776		3738
2777	aio_rename "$runtime~", $runtime	3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3740	and return;
2779		3741
2780	warn "runtime file written.\n";	3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3743
2782	1	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2783	}	3795	}
2784		3796
2785	sub emergency_save() {	3797	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2787		3799
2788	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2789		3806
2790	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2791	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3818	$pl->save;
2799	}	3819	}
2800	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2801		3821
2802	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3827	$map->valid or next;
2806	$map->save;	3828	$map->save;
2807	}	3829	}
2808	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
2809		3831
2810	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2813	};	3860	};
2814		3861
2815	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2816	}	3863	}
2817		3864
2818	sub post_cleanup {	3865	sub post_cleanup {
2819	my ($make_core) = @_;	3866	my ($make_core) = @_;
2820		3867
		3868	IO::AIO::flush;
		3869
2821	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
2823	}	3900	}
2824		3901
2825	sub do_reload_perl() {	3902	sub do_reload_perl() {
2826	# can/must only be called in main	3903	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2828	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2829	return;	3906	return;
2830	}	3907	}
2831		3908
2832	warn "reloading...";	3909	return if $RELOAD++;
2833		3910
2834	warn "entering sync_job";	3911	my $t1 = AE::time;
2835		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
2836	cf::sync_job {	3919	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	3920	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		3921
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	3924	%EXT_CORO = ();
2865		3925
2866	warn "removing commands";	3926	trace "perl_reload: removing commands";
2867	%COMMAND = ();	3927	%COMMAND = ();
2868		3928
2869	warn "removing ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2870	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2871		3932
2872	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2875		3936
2876	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2877	eval {	3938	eval {
2878	$cb->($pkg);	3939	$cb->($pkg);
2879	1	3940	1
2880	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2881	}	3946	}
2882		3947
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3951
2891	warn "... unloading $k";	3952	trace "... unloading $k";
2892	delete $INC{$k};	3953	delete $INC{$k};
2893		3954
2894	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2896		3957
2897	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2899	}	3963	}
2900		3964
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		3968
2908	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		3972
2912	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3974	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2915		3976
2916	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2917		3978
2918	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2919	require cf;	3980	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2921		3982
2922	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2923	cf::cfg_load;	3984	cf::reload_config;
2924		3985
2925	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2926	cf::load_extensions;	3987	cf::load_extensions;
2927		3988
		3989	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
2934		3997
2935	warn "leaving sync_job";	3998	cf::_post_init 1;
2936		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
2937	1	4002	1
2938	} or do {	4003	} or do {
2939	warn $@;	4004	error $@;
2940	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
2941	exit 1;	4006	};
		4007
		4008	--$RELOAD;
2942	};	4009	}
2943		4010
2944	warn "reloaded";	4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
2945	};	4013	};
2946		4014
2947	our $RELOAD_WATCHER; # used only during reload	4015	our $RELOAD_WATCHER; # used only during reload
2948		4016
2949	sub reload_perl() {	4017	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4018	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4019	# coro crashes during coro_state_free->destroy here.
2952		4020
2953	$RELOAD_WATCHER ||= Event->timer (	4021	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4022	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4023
2956	data => WF_AUTOCANCEL,	4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4025	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4026	undef $RELOAD_WATCHER;
2960	},	4027	};
2961	);	4028	};
2962	}	4029	}
2963		4030
2964	register_command "reload" => sub {	4031	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2966		4033
2967	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4038	reload_perl;
		4039	};
2970	}	4040	}
2971	};	4041	};
2972		4042
2973	unshift @INC, $LIBDIR;	4043	#############################################################################
2974		4044
2975	my $bug_warning = 0;	4045	my $bug_warning = 0;
2976		4046
2977	our @WAIT_FOR_TICK;	4047	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	4048	our @WAIT_FOR_TICK_BEGIN;
2979		4049
2980	sub wait_for_tick {	4050	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2983		4052
2984	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	4054	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	4055	$signal->wait;
2987	}	4056	}
2988		4057
2989	sub wait_for_tick_begin {	4058	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2992		4060
2993	my $signal = new Coro::Signal;	4061	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4062	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4063	$signal->wait;
2996	}	4064	}
2997		4065
2998	my $min = 1e6;#d#	4066	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
3010	return;	4070	return;
3011	}	4071	}
3012		4072
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
3016		4074
3017	0 && sync_job {#d#	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3018	for(1..10) {
3019	my $t = Event::time;
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3021	or die;
3022		4076
3023	$map->width (50);	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3024	$map->height (50);	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3025	$map->alloc;	4079	Coro::async_pool {
3026	$map->_load_objects ("/tmp/x.map", 1);	4080	$Coro::current->{desc} = "runtime saver";
3027	my $t = Event::time - $t;	4081	write_runtime_sync
3028		4082	or error "ERROR: unable to write runtime file: $!";
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4083	};
		4084	}
3039		4085
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4087	$sig->send;
3056	}	4088	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4089	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	4090	$sig->send;
3059	}	4091	}
3060		4092
3061	$NOW = Event::time;	4093	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4095
3072	_post_tick;	4096	if (0) {
3073		4097	if ($NEXT_TICK) {
3074		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
3075	},	4102	}
3076	);	4103	}
3077		4104
3078	{	4105	{
3079	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4107
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4108	BDB::min_parallel 16;
3089		4109	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4110	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4111
3105	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4119
3108	cf::sync_job {	4120	cf::sync_job {
3109	eval {	4121	eval {
3110	BDB::db_env_open	4122	BDB::db_env_open
3111	$DB_ENV,	4123	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4127	0666;
3116		4128
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4130	};
3122		4131
3123	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4133	};
3125	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
3126	}	4145	}
3127		4146
3128	{	4147	{
		4148	# configure IO::AIO
		4149
3129	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4152	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4153	}
3142		4154
3143	my $_log_backtrace;	4155	my $_log_backtrace;
3144		4156
3145	sub _log_backtrace {	4157	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	4160	$msg =~ s/\n//;
3149		4161
3150	# limit the # of concurrent backtraces	4162	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4163	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
3153	async {	4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
3154	my @bt = fork_call {	4169	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4170	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4173	or die "addr2line: $!";
…		…
3166	}	4181	}
3167		4182
3168	@funcs	4183	@funcs
3169	};	4184	};
3170		4185
3171	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4188	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4189	--$_log_backtrace;
3174	};	4190	};
3175	} else {	4191	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4193	LOG llevInfo, "[ABT] [suppressed]\n";
3178	}	4194	}
3179	}	4195	}
3180		4196
3181	# load additional modules	4197	# load additional modules
3182	use cf::pod;	4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
3183		4200
3184	END { cf::emergency_save }	4201	END { cf::emergency_save }
3185		4202
3186	1	4203	1
3187		4204

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