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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		132
85	our %CFG;	133	our %CFG;
86		134
87	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
89		138
90	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
93		142
94	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		145
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
100		155
101	binmode STDOUT;	156	binmode STDOUT;
102	binmode STDERR;	157	binmode STDERR;
103		158
104	# read virtual server time, if available	159	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
109	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
110		167
111	mkdir $_	168	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		170
114	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
115		172
116	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		189
118	#############################################################################	190	#############################################################################
119		191
120	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
121		193
…		…
157		229
158	The raw value load value from the last tick.	230	The raw value load value from the last tick.
159		231
160	=item %cf::CFG	232	=item %cf::CFG
161		233
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	235	from wherever your confdir points to.
164		236
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		238
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
171	=back	260	=back
172		261
173	=cut	262	=cut
174		263
175	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	271	my $msg = join "", @_;
178		272
179	$msg .= "\n"	273	$msg .= "\n"
180	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
181		275
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		277
184	utf8::encode $msg;
185	LOG llevError, $msg;	278	LOG llevWarn, $msg;
186	};	279	};
187	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
188		294
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	305	for my $pkg (qw(
200	cf::global cf::attachable	306	cf::global cf::attachable
201	cf::object cf::object::player	307	cf::object cf::object::player
202	cf::client cf::player	308	cf::client cf::player
203	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
204	cf::map cf::party cf::region	311	cf::party cf::region
205	)) {	312	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	314	}
209		315
210	$Event::DIED = sub {	316	$EV::DIED = sub {
211	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
212	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
213		324
214	#############################################################################	325	#############################################################################
215		326
216	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
217		328
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	350	$d
240	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
241	}	352	}
242		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
243	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
244		369
245	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
246		371
247	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
248		373
249	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
250		375
251	=cut	376	=cut
252		377
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		379
255	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
257		444
258	=item cf::lock_wait $string	445	=item cf::lock_wait $string
259		446
260	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
261		448
262	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
263		450
264	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
267	returned.	454	returned.
268		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
269	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
271		461
272	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
273		463
274	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
275		465
276	=cut	466	=cut
277		467
278	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
279		469
280	sub lock_wait($) {	470	sub lock_wait($) {
281	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	472	}
289		473
290	sub lock_acquire($) {	474	sub lock_acquire($) {
291	my ($key) = @_;	475	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	476	}
303		477
304	sub lock_active($) {	478	sub lock_active($) {
305	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	480	}
309		481
310	sub freeze_mainloop {	482	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
312		484
313	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
315	};	556	}
316	$TICK_WATCHER->stop;	557	};
317	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
318	}	572	}
319		573
320	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
321		575
322	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		581
328	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
329		583
330	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
331		585
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	589	acceptable.
336		590
337	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	596	=cut
343		597
344	sub sync_job(&) {	598	sub sync_job(&) {
345	my ($job) = @_;	599	my ($job) = @_;
346		600
347	if ($Coro::current == $Coro::main) {	601	if (in_main) {
348	my $time = Event::time;	602	my $time = AE::time;
349		603
350	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
352		606
353	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	608
355	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
356		610
357	my $busy = 1;	611	my $busy = 1;
358	my @res;	612	my @res;
359		613
360	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	616	@res = eval { $job->() };
362	warn $@ if $@;	617	error $@ if $@;
363	undef $busy;	618	undef $busy;
364	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
365		620
366	while ($busy) {	621	while ($busy) {
367	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
368	}	626	}
		627	}
369		628
370	$time = Event::time - $time;	629	my $time = AE::time - $time;
371		630
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
376		632
377	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
378	} else {	634	} else {
379	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
380		636
…		…
400	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
401		657
402	$coro	658	$coro
403	}	659	}
404		660
405	=item fork_call { }, $args	661	=item fork_call { }, @args
406		662
407	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
411		667
412	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
413		673
414	sub fork_call(&@) {	674	sub fork_call(&@) {
415	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
416		676
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		680
422	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
423	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
424		685
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	687	}
427		688
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
447	}	725	}
448		726
449	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
450		728
451	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
454		732
455	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
458	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
459		762
460	our $DB;	763	our $DB;
461		764
462	sub db_init {	765	sub db_init {
463	unless ($DB) {	766	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	767	}
478		768
479	sub db_get($$) {	769	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
481		771
482	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
483	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
484		776
485	$! ? ()	777	$! ? ()
486	: $data	778	: $data
487	}
488	}	779	}
489		780
490	sub db_put($$$) {	781	sub db_put($$$) {
491	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		811
521	my @data;	812	my @data;
522	my $md5;	813	my $md5;
523		814
524	for (0 .. $#$src) {	815	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	817	}
528		818
529	# if processing is expensive, check	819	# if processing is expensive, check
530	# checksum first	820	# checksum first
531	if (1) {	821	if (1) {
532	$md5 =	822	$md5 =
533	join "\x00",	823	join "\x00",
534	$processversion,	824	$processversion,
535	map {	825	map {
536	Coro::cede;	826	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	828	} 0.. $#$src;
539		829
540		830
541	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		838
549	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	840	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
552		842
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		844
555	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
558		848
…		…
568		858
569	=cut	859	=cut
570		860
571	sub datalog($@) {	861	sub datalog($@) {
572	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	864	}
575		865
576	=back	866	=back
577		867
578	=cut	868	=cut
579		869
580	#############################################################################	870	#############################################################################
581		871
582	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
583		873
584	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
587		877
588	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	880	Deliantra).
591		881
592	=over 4	882	=over 4
593		883
594	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
595		885
…		…
639	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
640		930
641	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
643		933
644	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
646		936
647	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
648		938
649	=over 4	939	=over 4
…		…
773		1063
774	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1066
777	} elsif (ref $type) {	1067	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
779		1069
780	} else {	1070	} else {
781	shift @arg;	1071	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
783	}	1073	}
784	}	1074	}
785	}	1075	}
786		1076
787	sub _object_attach {	1077	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
798	}	1088	}
799		1089
800	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
801	} else {	1091	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1093	}
804		1094
805	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
806	}	1096	}
807		1097
…		…
847	";	1137	";
848	die if $@;	1138	die if $@;
849	}	1139	}
850		1140
851	our $override;	1141	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1143
854	sub override {	1144	sub override {
855	$override = 1;	1145	$override = 1;
856	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
857	}	1147	}
858		1148
859	sub do_invoke {	1149	sub do_invoke {
860	my $event = shift;	1150	my $event = shift;
861	my $callbacks = shift;	1151	my $callbacks = shift;
862		1152
863	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
864		1154
865	local $override;	1155	local $override;
866		1156
867	for (@$callbacks) {	1157	for (@$callbacks) {
868	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
869		1159
870	if ($@) {	1160	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1162	override;
874	}	1163	}
875		1164
876	return 1 if $override;	1165	return 1 if $override;
877	}	1166	}
878		1167
879	0	1168	0
880	}	1169	}
881		1170
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1172
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1174
886	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
887		1176
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1180
892	=back	1181	=back
893		1182
894	=cut	1183	=cut
895		1184
896	#############################################################################	1185	#############################################################################
897	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
898		1229
899	sub reattach {	1230	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1232	my ($obj) = @_;
902		1233
		1234	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1236
905	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
906		1238
907	@$registry = ();	1239	@$registry = ();
908		1240
…		…
913	for (@$attach) {	1245	for (@$attach) {
914	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
916	}	1248	}
917	} else {	1249	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1251	}
920	}	1252	}
921	}	1253	}
922		1254
923	cf::attachable->attach (	1255	cf::attachable->attach (
924	prio => -1000000,	1256	prio => -1000000,
925	on_instantiate => sub {	1257	on_instantiate => sub {
926	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
927		1259
928	$data = from_json $data;	1260	$data = decode_json $data;
929		1261
930	for (@$data) {	1262	for (@$data) {
931	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
932		1264
933	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1281	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
951		1283
952	sync_job {	1284	sync_job {
953	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
956		1290
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
961	close $fh;	1298	aio_close $fh;
962		1299
963	if (@$objs) {	1300	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
969	close $fh;	1309	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
971	}	1311	}
972	} else {	1312	} else {
973	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
974	}	1314	}
975		1315
976	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1320	} else {
978	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
979	}	1322	}
980	} else {	1323	} else {
981	aio_unlink $filename;	1324	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
983	}	1326	}
984	}	1327	};
985	}	1328	}
986		1329
987	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
989		1332
…		…
1001	or return;	1344	or return;
1002		1345
1003	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1348	or return;
		1349
1006	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1007	}	1352	}
1008		1353
		1354	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1011	return ($data, $av);	1359	($data, $av)
1012	}	1360	}
1013		1361
1014	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1015		1363
1016	=over 4	1364	=over 4
…		…
1070	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1071		1419
1072	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1073	}	1421	}
1074		1422
		1423	use File::Glob ();
		1424
1075	cf::player->attach (	1425	cf::player->attach (
1076	on_command => sub {	1426	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1078		1428
1079	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1080	or return;	1430	or return;
1081		1431
…		…
1089	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1090		1440
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1442
1093	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1099	} else {	1458	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1460	}
1102		1461
1103	cf::override;	1462	cf::override;
1104	},	1463	},
1105	);	1464	);
1106		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1107	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1108	cf::sync_job {	1482	cf::sync_job {
1109	my %todo;	1483	my %todo;
1110		1484
1111	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1486	next unless -r $path;
…		…
1130		1504
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1507
1134	$ext{source} =	1508	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1137	. $source	1511	. $source
1138	. "\n};\n1";	1512	. "\n};\n1";
1139		1513
1140	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1141	}	1515	}
1142		1516
		1517	my $pass = 0;
1143	my %done;	1518	my %done;
1144	while (%todo) {	1519	while (%todo) {
1145	my $progress;	1520	my $progress;
1146		1521
		1522	++$pass;
		1523
		1524	ext:
1147	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1527	next ext
1150	unless exists $done{$_};	1528	unless exists $done{$_};
1151	}	1529	}
1152		1530
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1532
1155	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1160	warn $msg;	1540
1161	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1542	delete $todo{$k};
1163	}	1543	} else {
1164		1544	$done{$k} = delete $todo{$k};
1165	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1166	}	1550	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1551	}
1172		1552
1173	skip:	1553	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560	}
1176	}	1561	}
1177	};	1562	};
1178	}	1563	}
1179		1564
1180	#############################################################################	1565	#############################################################################
1181		1566
1182	=back	1567	=back
1183		1568
1184	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
1185		1570
1186	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
1187		1572
1188	=cut	1573	=cut
1189		1574
1190	package cf::player;	1575	package cf::player;
1191		1576
1192	use Coro::AIO;	1577	use Coro::AIO;
1193		1578
1194	=head3 cf::player	1579	=head3 cf::player
1195		1580
1196	=over 4	1581	=over 4
		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
1197		1596
1198	=item cf::player::find $login	1597	=item cf::player::find $login
1199		1598
1200	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
1201		1600
…		…
1220		1619
1221	sub exists($) {	1620	sub exists($) {
1222	my ($login) = @_;	1621	my ($login) = @_;
1223		1622
1224	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1226	}	1625	}
1227		1626
1228	sub find($) {	1627	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1629	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1640
1242	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1245	}	1650	}
1246	}	1651	}
1247	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1248		1666
1249	sub save($) {	1667	sub save($) {
1250	my ($pl) = @_;	1668	my ($pl) = @_;
1251		1669
1252	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1258		1676
1259	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1261		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1262	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1263	Coro::cede;	1686	cf::cede_to_tick;
1264	}	1687	}
1265		1688
1266	sub new($) {	1689	sub new($) {
1267	my ($login) = @_;	1690	my ($login) = @_;
1268		1691
…		…
1274	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1275		1698
1276	$self	1699	$self
1277	}	1700	}
1278		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1279	=item $pl->quit_character	1712	=item $pl->quit_character
1280		1713
1281	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1283		1716
…		…
1287	my ($pl) = @_;	1720	my ($pl) = @_;
1288		1721
1289	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1290		1723
1291	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1726
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1297	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1298		1735
1299	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1336	or return [];	1773	or return [];
1337		1774
1338	my @logins;	1775	my @logins;
1339		1776
1340	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1344		1787
1345	utf8::decode $login;	1788	utf8::decode $login;
1346	push @logins, $login;	1789	push @logins, $login;
1347	}	1790	}
1348		1791
1349	\@logins	1792	\@logins
1350	}	1793	}
1351		1794
1352	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1353		1798
1354	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1355	player. May block.	1800	player. May block.
1356		1801
1357	=cut	1802	=cut
…		…
1375	}	1820	}
1376		1821
1377	\@paths	1822	\@paths
1378	}	1823	}
1379		1824
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1826
1382	Expand crossfire pod fragments into protocol xml.	1827	Expand deliantra pod fragments into protocol xml.
1383		1828
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1431		1830
1432	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1433		1832
1434	=cut	1833	=cut
1435		1834
1436	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1438		1837
1439	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1839	}
1442		1840
1443	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1444		1842
1445	Sends an ext event to the client.	1843	Sends an ext event to the client.
1446		1844
1447	=cut	1845	=cut
1448		1846
1449	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1451		1849
1452	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1453	}	1851	}
1454		1852
1455	=head3 cf::region	1853	=head3 cf::region
1456		1854
1457	=over 4	1855	=over 4
…		…
1467	=cut	1865	=cut
1468		1866
1469	sub find_by_path($) {	1867	sub find_by_path($) {
1470	my ($path) = @_;	1868	my ($path) = @_;
1471		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
1472	my ($match, $specificity);	1872	my ($match, $specificity);
1473		1873
1474	for my $region (list) {	1874	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1875	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1876	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1877	if $region->specificity > $specificity;
1478	}	1878	}
1479	}	1879	}
1480		1880
…		…
1501	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1503		1903
1504	sub generate_random_map {	1904	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1507	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	1910	}
1521		1911
1522	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1523		1913
1524	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1529		1919
1530	sub register {	1920	sub register {
1531	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	1922	my $pkg = caller;
1533		1923
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		1925
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1927	}
1539		1928
1540	# also paths starting with '/'	1929	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1931
1543	sub thawer_merge {	1932	sub thawer_merge {
1544	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1545		1934
1546	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
…		…
1551	}	1940	}
1552		1941
1553	sub normalise {	1942	sub normalise {
1554	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1555		1944
1556	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1557		1946
1558	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1559		1948
1560	# map plan:	1949	# map plan:
1561	#	1950	#
…		…
1576	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	1966	$path = "$base/$path";
1578	}	1967	}
1579		1968
1580	for ($path) {	1969	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1584	}	1972	}
1585		1973
1586	$path	1974	$path
…		…
1600	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1601	return $self;	1989	return $self;
1602	}	1990	}
1603	}	1991	}
1604		1992
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	1994	()
1607	}	1995	}
1608		1996
1609	sub init {	1997	sub init {
1610	my ($self) = @_;	1998	my ($self) = @_;
…		…
1632		2020
1633	# the temporary/swap location	2021	# the temporary/swap location
1634	sub save_path {	2022	sub save_path {
1635	my ($self) = @_;	2023	my ($self) = @_;
1636		2024
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2026	"$TMPDIR/$path.map"
1639	}	2027	}
1640		2028
1641	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1642	sub uniq_path {	2030	sub uniq_path {
1643	my ($self) = @_;	2031	my ($self) = @_;
1644		2032
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2035	}
1657		2036
1658	sub decay_objects {	2037	sub decay_objects {
1659	my ($self) = @_;	2038	my ($self) = @_;
1660		2039
…		…
1673		2052
1674	sub load_header_from($) {	2053	sub load_header_from($) {
1675	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1676		2055
1677	utf8::encode $path;	2056	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1683		2065
1684	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1685		2067
1686	1	2068	1
1687	}	2069	}
…		…
1739		2121
1740	sub find;	2122	sub find;
1741	sub find {	2123	sub find {
1742	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1743		2125
		2126	cf::cede_to_tick;
		2127
1744	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1745		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2132
1748	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1751	or return;	2135	or return;
1752		2136
1753	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1754		2138
…		…
1756	or return;	2140	or return;
1757		2141
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1761	$map->reset;	2147	$map->reset;
1762	undef $guard;
1763	return find $path;	2148	return find $path;
1764	}	2149	}
1765		2150
1766	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1767	}	2152	}
1768	}	2153	}
1769		2154
1770	sub pre_load { }	2155	sub pre_load { }
1771	sub post_load { }	2156	#sub post_load { } # XS
1772		2157
1773	sub load {	2158	sub load {
1774	my ($self) = @_;	2159	my ($self) = @_;
1775		2160
1776	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1777		2162
1778	my $path = $self->{path};	2163	my $path = $self->{path};
1779		2164
1780	{	2165	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1782		2167
		2168	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2170
1785	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1786		2172
1787	$self->alloc;	2173	$self->alloc;
1788		2174
1789	$self->pre_load;	2175	$self->pre_load;
1790	Coro::cede;	2176	cf::cede_to_tick;
1791		2177
		2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2180	$self->_load_objects ($f)
1793	or return;	2181	or return;
1794		2182
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1796	if delete $self->{load_original};	2184	if delete $self->{load_original};
1797		2185
1798	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2187	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2190	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1803	}	2194	}
1804	}	2195	}
1805		2196
1806	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1807	# now do the right thing for maps	2200	# now do the right thing for maps
1808	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2203	unless $self->difficulty;
1811	Coro::cede;	2204	cf::cede_to_tick;
1812		2205
1813	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2207	$self->decay_objects;
1815	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
1816	$self->update_buttons;	2209	$self->update_buttons;
1817	Coro::cede;	2210	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2211	$self->activate;
1821	}	2212	}
1822		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2218	}
1825		2219
1826	$self->post_load;	2220	$self->post_load;
1827	}
1828		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2228	sub customise_for {
1830	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1831		2230
1832	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2232	if $self->per_player;
…		…
1837		2236
1838	$self	2237	$self
1839	}	2238	}
1840		2239
1841	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2241	sub load_neighbours {
1843	my ($map) = @_;	2242	my ($map) = @_;
1844		2243
1845	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1846		2245
1847	for (0 .. 3) {	2246	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1849	or next;	2248	or next;
1850	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1851	or next;	2250	or next;
1852	$neigh->load;	2251	$neigh->load;
1853		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2257	}
1857		2258
1858	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1860	or next;	2262	or next;
1861	$neigh->load;	2263	$neigh->load;
1862	}	2264	}
1863	}	2265	}
1864		2266
1865	sub find_sync {	2267	sub find_sync {
1866	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1867		2269
1868	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1869	}	2274	}
1870		2275
1871	sub do_load_sync {	2276	sub do_load_sync {
1872	my ($map) = @_;	2277	my ($map) = @_;
1873		2278
1874	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1875	}	2283	}
1876		2284
1877	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1879		2287
1880	sub find_async {	2288	sub find_async {
1881	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1882		2290
1883	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1884		2292
1885	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2295	}
1888		2296
1889	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1890	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1891	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2304	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2305	$map->load if $v;
		2306	}
1896		2307
1897	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1898	}	2309	}
1899	}	2310	}
1900	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1901	};	2312	};
1902	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1903		2314
1904	()	2315	()
1905	}	2316	}
1906		2317
		2318	# common code, used by both ->save and ->swapout
1907	sub save {	2319	sub _save {
1908	my ($self) = @_;	2320	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2321
1912	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1913		2323
1914	return unless $self->dirty;	2324	return unless $self->dirty;
1915		2325
…		…
1921	return if $self->{deny_save};	2331	return if $self->{deny_save};
1922		2332
1923	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1924		2334
1925	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1927	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1928		2341
1929	if ($uniq) {	2342	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2345	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2347	}
1935	}	2348	}
1936		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1937	sub swap_out {	2358	sub swap_out {
1938	my ($self) = @_;	2359	my ($self) = @_;
1939		2360
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1945	return if $self->players;	2365	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1949	$self->clear;	2376	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2377	}
1952		2378
1953	sub reset_at {	2379	sub reset_at {
1954	my ($self) = @_;	2380	my ($self) = @_;
1955		2381
…		…
1973		2399
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2401
1976	return if $self->players;	2402	return if $self->players;
1977		2403
1978	warn "resetting map ", $self->path;	2404	cf::trace "resetting map ", $self->path, "\n";
1979		2405
1980	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1981		2407
1982	# need to save uniques path	2408	# need to save uniques path
1983	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2413	if $uniq;
1988	}	2414	}
1989		2415
1990	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1991		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2420	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2421
1996	$self->unlink_save;	2422	$self->unlink_save;
1997	$self->destroy;	2423	$self->destroy;
1998	}	2424	}
1999		2425
2000	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
2001		2427
2002	sub nuke {	2428	sub nuke {
2003	my ($self) = @_;	2429	my ($self) = @_;
2004		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
2005	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
2006		2435
2007	$self->unlink_save;	2436	$self->unlink_save;
2008		2437
2009	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2443
2015	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
2016		2446
2017	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
2018	}	2448	}
2019		2449
2020	=item $maps = cf::map::tmp_maps	2450	=item $maps = cf::map::tmp_maps
…		…
2062		2492
2063	sub unique_maps() {	2493	sub unique_maps() {
2064	[	2494	[
2065	map {	2495	map {
2066	utf8::decode $_;	2496	utf8::decode $_;
2067	/\.map$/	2497	s/\.map$//; # TODO future compatibility hack
		2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2499	? ()
2068	? normalise $_	2500	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2501	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2502	]
2072	}	2503	}
2073		2504
2074	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
2075		2536
2076	=back	2537	=back
2077		2538
2078	=head3 cf::object	2539	=head3 cf::object
2079		2540
…		…
2083		2544
2084	=over 4	2545	=over 4
2085		2546
2086	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
2087		2548
2088	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
2089		2551
2090	=cut	2552	=cut
2091		2553
2092	sub inv_recursive_;	2554	sub inv_recursive_;
2093	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
2096		2558
2097	sub inv_recursive {	2559	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
2099	}	2561	}
2100		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
2101	package cf;	2591	package cf;
2102		2592
2103	=back	2593	=back
2104		2594
2105	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
2114		2604
2115	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
2116		2620
2117	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2622	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
2127		2631
2128	} else {	2632	} else {
2129	my $pl = $self->contr;	2633	my $pl = $self->contr;
2130		2634
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2636	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2638
2140	} else {	2639	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2642	}
2144	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
2145	}	2654	}
2146		2655
2147	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
2148		2657
2149	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
2162		2671
2163	=item $player_object->enter_link	2672	=item $player_object->enter_link
2164		2673
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2675
2167	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
2169		2680
2170	Will never block.	2681	Will never block.
2171		2682
2172	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
2173		2684
…		…
2193	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2705	my ($self) = @_;
2195		2706
2196	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
2197		2708
		2709	++$self->{_link_recursion};
		2710
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2712
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2714	if $self->map && $self->map->{path} ne "{link}";
2202		2715
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2717	}
2205		2718
2206	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
2208		2721
…		…
2225	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
2227		2740
2228	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
2231		2744
2232	$map->load;	2745	$map->load;
2233	$map->load_diag;	2746	$map->load_neighbours;
2234		2747
2235	return unless $self->contr->active;	2748	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2749
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
2240	}	2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
		2755	$self->activate_recursive;
		2756	}
2241		2757
		2758	}
		2759
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2761
2244	Moves the player to the given map-path and coordinates by first freezing	2762	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2763	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2764	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
2248		2770
2249	=cut	2771	=cut
2250		2772
2251	our $GOTOGEN;	2773	our $GOTOGEN;
2252		2774
2253	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
2255		2783
2256	# do generation counting so two concurrent goto's will be executed in-order	2784	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2786
2259	$self->enter_link;	2787	$self->enter_link;
2260		2788
2261	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
2262	my $map = eval {	2811	my $map = eval {
2263	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
2264		2813
2265	if ($map) {	2814	if ($map) {
2266	$map = $map->customise_for ($self);	2815	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2816	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2817	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2819	}
2271		2820
2272	$map	2821	$map
2273	};	2822	};
2274		2823
…		…
2279		2828
2280	if ($gen == $self->{_goto_generation}) {	2829	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2830	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
2283	}	2832	}
		2833
		2834	$done->($self) if $done;
2284	})->prio (1);	2835	})->prio (1);
2285	}	2836	}
2286		2837
2287	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
2288		2839
…		…
2308	}	2859	}
2309		2860
2310	sub prepare_random_map {	2861	sub prepare_random_map {
2311	my ($exit) = @_;	2862	my ($exit) = @_;
2312		2863
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2866	# that depends on the exit object
2318		2867
2319	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2870	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
2326	}	2877	}
2327		2878
2328	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
2329		2880
2330	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
2333		2884
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2887	undef $fh;
2337	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
2338		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2341	}	2896	}
2342	}	2897	}
2343		2898
2344	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2346		2901
2347	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2348		2903
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2904	$self->enter_link;
2361		2905
2362	(async {	2906	(async {
2363	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2364	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2365	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2366		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2367	1;	2930	1
2368	}) {	2931	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2936
2374	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	2938	$self->leave_link;
2376	}	2939	}
2377	})->prio (1);	2940	})->prio (1);
2378	}	2941	}
2379		2942
…		…
2393		2956
2394	utf8::encode $text;	2957	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2959	}
2397		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2987
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2988	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2989	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2990	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2991	the message unless the client supports the msg packet.
2404		2992
2405	=cut	2993	=cut
2406		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
2407	sub cf::client::send_msg {	3109	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3110	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3111
2410	$msg = $self->pl->expand_cfpod ($msg);	3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
2411		3114
2412	if ($self->can_msg) {	3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		3116
2425	if ($color >= 0) {	3117	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	3118	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	3119	$channel = $CHANNEL{$channel};
2428	} else {	3120
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3121	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
2431	}	3129	}
2432	}
2433	}
2434	}
2435		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2436	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2437		3149
2438	Sends an ext event to the client.	3150	Sends an ext event to the client.
2439		3151
2440	=cut	3152	=cut
2441		3153
2442	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2444		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2447	}	3181	}
2448		3182
2449	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2450		3184
2451	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	3240	my ($ns, $buf) = @_;
2507		3241
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3243
2510	if (ref $msg) {	3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3252	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3253	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
2517	} else {	3259	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3261	}
2520		3262
2521	cf::override;	3263	cf::override;
2522	},	3264	},
2523	);	3265	);
…		…
2543		3285
2544	$coro	3286	$coro
2545	}	3287	}
2546		3288
2547	cf::client->attach (	3289	cf::client->attach (
2548	on_destroy => sub {	3290	on_client_destroy => sub {
2549	my ($ns) = @_;	3291	my ($ns) = @_;
2550		3292
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3294	},
2553	);	3295	);
…		…
2568	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2570		3312
2571	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2572		3314
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2574		3320
2575	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2576		3322
2577	=pod	3323	=pod
2578		3324
2579	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2580		3326
2581	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2582	cf::object::player player	3332	cf::object::player
2583	cf::player peaceful	3333	player
2584	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2585		3340
2586	=cut	3341	=cut
2587		3342
2588	for (	3343	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2593	) {	3350	) {
2594	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2597	for @funs;	3353	for @funs;
2598	}	3354	}
2599		3355
…		…
2614		3370
2615	my $qcode = $code;	3371	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2618		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2619	local $_;	3378	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3379
2622	my $eval =	3380	my $eval =
2623	"do {\n"	3381	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3384	. $code
2627	. "\n}"	3385	. "\n}"
2628	;	3386	;
2629		3387
		3388	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2633		3397
2634	if ($@) {	3398	if ($@) {
2635	warn "$@";	3399	warn "$@",
2636	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2637	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2638	}	3402	}
2639		3403
2640	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2641	}	3405	}
2642		3406
…		…
2656	=cut	3420	=cut
2657		3421
2658	sub register_script_function {	3422	sub register_script_function {
2659	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2660		3424
2661	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2663	}	3427	}
2664		3428
2665	=back	3429	=back
2666		3430
2667	=cut	3431	=cut
…		…
2670	# the server's init and main functions	3434	# the server's init and main functions
2671		3435
2672	sub load_facedata($) {	3436	sub load_facedata($) {
2673	my ($path) = @_;	3437	my ($path) = @_;
2674		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2675	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2676		3446
2677	my $facedata;	3447	my $facedata = decode_storable load_file $path;
2678	0 < aio_load $path, $facedata
2679	or die "$path: $!";
2680
2681	$facedata = Coro::Storable::thaw $facedata;
2682		3448
2683	$facedata->{version} == 2	3449	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2686	{	3461	{
2687	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2688		3463
2689	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2694	Coro::cede;	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
2695	}	3474	}
2696		3475
2697	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2699	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2700	or next;	3480	or next;
		3481
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3485	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3487	}
2706	Coro::cede;	3488
		3489	cf::cede_to_tick;
2707	}	3490	}
2708	}	3491	}
2709		3492
2710	{	3493	{
2711	my $anims = $facedata->{animinfo};	3494	my $anims = $facedata->{animinfo};
2712		3495
2713	while (my ($anim, $info) = each %$anims) {	3496	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3498	cf::cede_to_tick;
2716	}	3499	}
2717		3500
2718	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2719	}	3502	}
2720		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2721	1	3523	1
2722	}	3524	}
2723		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
2724	sub reload_regions {	3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
2725	load_resource_file "$MAPDIR/regions"	3549	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
2727	}	3556	}
2728		3557
2729	sub reload_facedata {	3558	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3559	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3560	or die "unable to load facedata\n";
2732	}	3561	}
2733		3562
2734	sub reload_archetypes {	3563	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3564	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3565	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references
2738	# this really needs to be done in an extra post-pass
2739	# (which needs to be synchronous, so solve it differently)
2740	load_resource_file "$DATADIR/archetypes"
2741	or die "unable to load archetypes\n";
2742	}	3566	}
2743		3567
2744	sub reload_treasures {	3568	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2747	}	3571	}
2748		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2749	sub reload_resources {	3593	sub reload_resources {
2750	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2751		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2752	reload_regions;	3601	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3602	reload_treasures;
2757		3603
2758	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2759	}	3605	}
2760		3606
2761	sub init {	3607	sub reload_config {
2762	reload_resources;	3608	trace "reloading config file...\n";
2763	}
2764		3609
2765	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3611	utf8::decode $config;
2767	or return;	3612	*CFG = decode_yaml $config;
2768		3613
2769	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;
2771
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2773		3615
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2776		3618
2777	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2781	};	3623	};
2782	warn $@ if $@;	3624	warn $@ if $@;
2783	}	3625	}
2784	}	3626	}
2785		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2786	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2787	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3669	(async {
2791	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2793	};	3673	};
2794		3674
2795	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2796	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2797	load_extensions;	3698	load_extensions;
2798		3699
2799	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2801	}	3718	}
2802		3719
2803	#############################################################################	3720	#############################################################################
2804	# initialisation and cleanup	3721	# initialisation and cleanup
2805		3722
2806	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2807	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2816	},
2817	);	3729	};
2818	}	3730	}
2819	}	3731	}
2820		3732
2821	sub write_runtime {	3733	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3734	my $t0 = AE::time;
2823		3735
2824	# first touch the runtime file to show we are still running:	3736	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3737	# the fsync below can take a very very long time.
2826		3738
2827	IO::AIO::aio_utime $runtime, undef, undef;	3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3740
2829	my $guard = cf::lock_acquire "write_runtime";	3741	my $guard = cf::lock_acquire "write_runtime";
2830		3742
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	3744	or return;
2833		3745
2834	my $value = $cf::RUNTIME + 90 + 10;	3746	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3747	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3748	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3758	aio_utime $fh, undef, undef;
2847		3759
2848	close $fh	3760	close $fh
2849	or return;	3761	or return;
2850		3762
2851	aio_rename "$runtime~", $runtime	3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3764	and return;
2853		3765
2854	warn "runtime file written.\n";	3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2855		3767
2856	1	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2857	}	3819	}
2858		3820
2859	sub emergency_save() {	3821	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2861		3823
2862	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2863		3830
2864	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2865	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3842	$pl->save;
2873	}	3843	}
2874	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2875		3845
2876	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3851	$map->valid or next;
2880	$map->save;	3852	$map->save;
2881	}	3853	}
2882	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2883		3855
2884	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2887	};	3884	};
2888		3885
2889	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2890	}	3887	}
2891		3888
2892	sub post_cleanup {	3889	sub post_cleanup {
2893	my ($make_core) = @_;	3890	my ($make_core) = @_;
2894		3891
		3892	IO::AIO::flush;
		3893
2895	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2897	}	3924	}
2898		3925
2899	sub do_reload_perl() {	3926	sub do_reload_perl() {
2900	# can/must only be called in main	3927	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2902	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2903	return;	3930	return;
2904	}	3931	}
2905		3932
2906	warn "reloading...";	3933	return if $RELOAD++;
2907		3934
2908	warn "entering sync_job";	3935	my $t1 = AE::time;
2909		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2910	cf::sync_job {	3943	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark
2912	cf::emergency_save;	3944	#cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark
2914		3945
2915	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;
2917
2918	# if anything goes wrong in here, we should simply crash as we already saved
2919
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;
2931	warn "iterate...";
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();	3948	%EXT_CORO = ();
2939		3949
2940	warn "removing commands";	3950	trace "perl_reload: removing commands";
2941	%COMMAND = ();	3951	%COMMAND = ();
2942		3952
2943	warn "removing ext/exti commands";	3953	trace "perl_reload: removing ext/exti commands";
2944	%EXTCMD = ();	3954	%EXTCMD = ();
2945	%EXTICMD = ();	3955	%EXTICMD = ();
2946		3956
2947	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2950		3960
2951	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2952	eval {	3962	eval {
2953	$cb->($pkg);	3963	$cb->($pkg);
2954	1	3964	1
2955	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2956	}	3970	}
2957		3971
2958	warn "... nuking $pkg";
2959	Symbol::delete_package $pkg;
2960	}
2961
2962	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2963	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3975
2966	warn "... unloading $k";	3976	trace "... unloading $k";
2967	delete $INC{$k};	3977	delete $INC{$k};
2968		3978
2969	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2971		3981
2972	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2973	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2974	}	3987	}
2975		3988
2976	Symbol::delete_package $k;
2977	}
2978
2979	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		3992
2983	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		3996
2987	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2988	# and global variables created in xs	3998	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2990		4000
2991	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2992		4002
2993	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2994	require cf;	4004	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2996		4006
2997	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2998	cf::cfg_load;	4008	cf::reload_config;
2999		4009
3000	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
3001	cf::load_extensions;	4011	cf::load_extensions;
3002		4012
		4013	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
3006	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
3009		4021
3010	warn "leaving sync_job";	4022	cf::_post_init 1;
3011		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
3012	1	4026	1
3013	} or do {	4027	} or do {
3014	warn $@;	4028	error $@;
3015	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
3016	exit 1;	4030	};
		4031
		4032	--$RELOAD;
3017	};	4033	}
3018		4034
3019	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
3020	};	4037	};
3021		4038
3022	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
3023		4040
3024	sub reload_perl() {	4041	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
3027		4044
3028	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	4047
3031	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	4049	do_reload_perl;
3034	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
3035	},	4051	};
3036	);	4052	};
3037	}	4053	}
3038		4054
3039	register_command "reload" => sub {	4055	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
3041		4057
3042	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	4062	reload_perl;
		4063	};
3045	}	4064	}
3046	};	4065	};
3047		4066
3048	unshift @INC, $LIBDIR;	4067	#############################################################################
3049		4068
3050	my $bug_warning = 0;	4069	my $bug_warning = 0;
3051		4070
3052	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
3054		4073
3055	sub wait_for_tick {	4074	sub wait_for_tick() {
3056	return unless $TICK_WATCHER->is_active;
3057	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3058		4076
3059	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	4079	$signal->wait;
3062	}	4080	}
3063		4081
3064	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
3065	return unless $TICK_WATCHER->is_active;
3066	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3067		4084
3068	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	4087	$signal->wait;
3071	}	4088	}
3072		4089
3073	my $min = 1e6;#d#	4090	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
3085	return;	4094	return;
3086	}	4095	}
3087		4096
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
3091		4098
3092	0 && sync_job {#d#	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093	for(1..10) {
3094	my $t = Event::time;
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3096	or die;
3097		4100
3098	$map->width (50);	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099	$map->height (50);	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100	$map->alloc;	4103	Coro::async_pool {
3101	$map->_load_objects ("/tmp/x.map", 1);	4104	$Coro::current->{desc} = "runtime saver";
3102	my $t = Event::time - $t;	4105	write_runtime_sync
3103		4106	or error "ERROR: unable to write runtime file: $!";
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	4107	};
		4108	}
3114		4109
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	4111	$sig->send;
3131	}	4112	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	4114	$sig->send;
3134	}	4115	}
3135		4116
3136	$NOW = Event::time;	4117	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		4119
3147	_post_tick;	4120	if (0) {
3148		4121	if ($NEXT_TICK) {
3149		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
3150	},	4126	}
3151	);	4127	}
3152		4128
3153	{	4129	{
3154	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	4131
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
3164		4133	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		4135
3180	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		4143
3183	cf::sync_job {	4144	cf::sync_job {
3184	eval {	4145	eval {
3185	BDB::db_env_open	4146	BDB::db_env_open
3186	$DB_ENV,	4147	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4151	0666;
3191		4152
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	4154	};
3197		4155
3198	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4157	};
3200	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
3201	}	4169	}
3202		4170
3203	{	4171	{
		4172	# configure IO::AIO
		4173
3204	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	4177	}
3217		4178
3218	my $_log_backtrace;	4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
3219		4181
3220	sub _log_backtrace {	4182	sub _log_backtrace {
3221	my ($msg, @addr) = @_;	4183	my ($msg, @addr) = @_;
3222		4184
3223	$msg =~ s/\n//;	4185	$msg =~ s/\n$//;
3224		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3225	# limit the # of concurrent backtraces	4190	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
3227	++$_log_backtrace;	4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
3228	async {	4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
3229	my @bt = fork_call {	4198	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4199	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4202	or die "addr2line: $!";
…		…
3241	}	4210	}
3242		4211
3243	@funcs	4212	@funcs
3244	};	4213	};
3245		4214
3246	LOG llevInfo, "[ABT] $msg\n";	4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4217	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4218	--$_log_backtrace;
3249	};	4219	};
3250	} else {	4220	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4221	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3253	}	4223	}
3254	}	4224	}
3255		4225
3256	# load additional modules	4226	# load additional modules
3257	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
3258		4229
3259	END { cf::emergency_save }	4230	END { cf::emergency_save }
3260		4231
3261	1	4232	1
3262		4233

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