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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
54	our %EXTICMD = ();	88	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
57		91
58	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
60		96
61	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
62	our $DATADIR = datadir;	99	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
66	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
71	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;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	123	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
80		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
81	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
83		132
84	our %CFG;	133	our %CFG;
85		134
86	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
88		138
89	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
92		142
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		145
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
98	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 $REALLY_UNLOOP; # never set to true, please :)
99		155
100	binmode STDOUT;	156	binmode STDOUT;
101	binmode STDERR;	157	binmode STDERR;
102		158
103	# read virtual server time, if available	159	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
108	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
109		167
110	mkdir $_	168	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		170
113	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
114		172
115	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::"} };
116		189
117	#############################################################################	190	#############################################################################
118		191
119	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
120		193
…		…
156		229
157	The raw value load value from the last tick.	230	The raw value load value from the last tick.
158		231
159	=item %cf::CFG	232	=item %cf::CFG
160		233
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	235	from wherever your confdir points to.
163		236
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		238
166	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
167	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
168	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.
169		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
170	=back	260	=back
171		261
172	=cut	262	=cut
173		263
174	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
175	*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 {
176	my $msg = join "", @_;	271	my $msg = join "", @_;
177		272
178	$msg .= "\n"	273	$msg .= "\n"
179	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
180		275
181	$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;
182		277
183	utf8::encode $msg;
184	LOG llevError, $msg;	278	LOG llevWarn, $msg;
185	};	279	};
186	}	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	};
187		294
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	305	for my $pkg (qw(
199	cf::global cf::attachable	306	cf::global cf::attachable
200	cf::object cf::object::player	307	cf::object cf::object::player
201	cf::client cf::player	308	cf::client cf::player
202	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
203	cf::map cf::party cf::region	311	cf::party cf::region
204	)) {	312	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	314	}
208		315
209	$Event::DIED = sub {	316	$EV::DIED = sub {
210	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
211	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
212		324
213	#############################################################################	325	#############################################################################
214		326
215	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
216		328
…		…
237	$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;
238	$d	350	$d
239	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
240	}	352	}
241		353
242	use JSON::XS ();	354	=item $scalar = load_file $path
243		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
244	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
245		369
246	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
247		371
248	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
249		373
250	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
251		375
252	=cut	376	=cut
253		377
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		379
256	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		444
259	=item cf::lock_wait $string	445	=item cf::lock_wait $string
260		446
261	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
262		448
263	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
264		450
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
268	returned.	454	returned.
269		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
270	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
271	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
272		461
273	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
274		463
275	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.
276		465
277	=cut	466	=cut
278		467
279	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
280		469
281	sub lock_wait($) {	470	sub lock_wait($) {
282	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	472	}
290		473
291	sub lock_acquire($) {	474	sub lock_acquire($) {
292	my ($key) = @_;	475	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	476	}
304		477
305	sub lock_active($) {	478	sub lock_active($) {
306	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	480	}
310		481
311	sub freeze_mainloop {	482	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
313		484
314	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
315	$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	}
316	};	556	}
317	$TICK_WATCHER->stop;	557	};
318	$guard	558
		559	sub get_slot($;$$) {
		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;
319	}	572	}
320		573
321	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
322		575
323	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		581
329	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
330		583
331	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
332		585
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
334	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
335	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
336	acceptable.	589	acceptable.
337		590
338	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
339	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
…		…
343	=cut	596	=cut
344		597
345	sub sync_job(&) {	598	sub sync_job(&) {
346	my ($job) = @_;	599	my ($job) = @_;
347		600
348	if ($Coro::current == $Coro::main) {	601	if (in_main) {
349	my $time = Event::time;	602	my $time = AE::time;
350		603
351	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
353		606
354	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	608
356	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
357		610
358	my $busy = 1;	611	my $busy = 1;
359	my @res;	612	my @res;
360		613
361	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	616	@res = eval { $job->() };
363	warn $@ if $@;	617	error $@ if $@;
364	undef $busy;	618	undef $busy;
365	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
366		620
367	while ($busy) {	621	while ($busy) {
368	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
369	}	626	}
		627	}
370		628
371	$time = Event::time - $time;	629	my $time = AE::time - $time;
372		630
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
377		632
378	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
379	} else {	634	} else {
380	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
381		636
…		…
401	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
402		657
403	$coro	658	$coro
404	}	659	}
405		660
406	=item fork_call { }, $args	661	=item fork_call { }, @args
407		662
408	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
409	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
412		667
413	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
414		673
415	sub fork_call(&@) {	674	sub fork_call(&@) {
416	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
417		676
418	# 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,
419	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		680
423	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
424	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
425		685
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
427	$res = Coro::Storable::thaw $res;	687	}
428		688
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	eval {
439	close $fh1;
440
441	my @res = eval { $cb->(@args) };
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
443	};
444
445	warn $@ if $@;
446	_exit 0;
447	}	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
448	}	725	}
449		726
450	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
451		728
452	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
455		732
456	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
457	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).
458		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
459	=cut	741	=cut
		742
		743	sub db_table($) {
		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	}
460		762
461	our $DB;	763	our $DB;
462		764
463	sub db_init {	765	sub db_init {
464	unless ($DB) {	766	$DB ||= db_table "db";
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {
468	eval {
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}
478	}	767	}
479		768
480	sub db_get($$) {	769	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
482		771
483	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
484	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
485		776
486	$! ? ()	777	$! ? ()
487	: $data	778	: $data
488	}
489	}	779	}
490		780
491	sub db_put($$$) {	781	sub db_put($$$) {
492	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
521		811
522	my @data;	812	my @data;
523	my $md5;	813	my $md5;
524		814
525	for (0 .. $#$src) {	815	for (0 .. $#$src) {
526	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
527	or Carp::croak "$src->[$_]: $!";
528	}	817	}
529		818
530	# if processing is expensive, check	819	# if processing is expensive, check
531	# checksum first	820	# checksum first
532	if (1) {	821	if (1) {
533	$md5 =	822	$md5 =
534	join "\x00",	823	join "\x00",
535	$processversion,	824	$processversion,
536	map {	825	map {
537	Coro::cede;	826	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	828	} 0.. $#$src;
540		829
541		830
542	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
549		838
550	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
551	my $data = $process->(\@data);	840	my $data = $process->(\@data);
552	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
553		842
554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
555		844
556	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
557	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
558	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
559		848
…		…
569		858
570	=cut	859	=cut
571		860
572	sub datalog($@) {	861	sub datalog($@) {
573	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
575	}	864	}
576		865
577	=back	866	=back
578		867
579	=cut	868	=cut
580		869
581	#############################################################################	870	#############################################################################
582		871
583	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
584		873
585	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
586	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")
587	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
588		877
589	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>
590	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
591	Crossfire TRT).	880	Deliantra).
592		881
593	=over 4	882	=over 4
594		883
595	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
596		885
…		…
640	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
641		930
642	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
643	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
644		933
645	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
646	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.
647		936
648	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
649		938
650	=over 4	939	=over 4
…		…
774		1063
775	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
776	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
777		1066
778	} elsif (ref $type) {	1067	} elsif (ref $type) {
779	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
780		1069
781	} else {	1070	} else {
782	shift @arg;	1071	shift @arg;
783	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
784	}	1073	}
785	}	1074	}
786	}	1075	}
787		1076
788	sub _object_attach {	1077	sub _object_attach {
…		…
798	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
799	}	1088	}
800		1089
801	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
802	} else {	1091	} else {
803	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
804	}	1093	}
805		1094
806	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
807	}	1096	}
808		1097
…		…
848	";	1137	";
849	die if $@;	1138	die if $@;
850	}	1139	}
851		1140
852	our $override;	1141	our $override;
853	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?
854		1143
855	sub override {	1144	sub override {
856	$override = 1;	1145	$override = 1;
857	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
858	}	1147	}
859		1148
860	sub do_invoke {	1149	sub do_invoke {
861	my $event = shift;	1150	my $event = shift;
862	my $callbacks = shift;	1151	my $callbacks = shift;
863		1152
864	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
865		1154
866	local $override;	1155	local $override;
867		1156
868	for (@$callbacks) {	1157	for (@$callbacks) {
869	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
870		1159
871	if ($@) {	1160	if ($@) {
872	warn "$@";
873	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
874	override;	1162	override;
875	}	1163	}
876		1164
877	return 1 if $override;	1165	return 1 if $override;
878	}	1166	}
879		1167
880	0	1168	0
881	}	1169	}
882		1170
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1172
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1174
887	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
888		1176
889	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
890	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
891	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1180
893	=back	1181	=back
894		1182
895	=cut	1183	=cut
896		1184
897	#############################################################################	1185	#############################################################################
898	# 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, $ob2
		1228	}
899		1229
900	sub reattach {	1230	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1232	my ($obj) = @_;
903		1233
		1234	# no longer needed after getting rid of delete_package?
904	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
905		1236
906	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
907		1238
908	@$registry = ();	1239	@$registry = ();
909		1240
…		…
914	for (@$attach) {	1245	for (@$attach) {
915	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
916	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
917	}	1248	}
918	} else {	1249	} else {
919	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
920	}	1251	}
921	}	1252	}
922	}	1253	}
923		1254
924	cf::attachable->attach (	1255	cf::attachable->attach (
925	prio => -1000000,	1256	prio => -1000000,
926	on_instantiate => sub {	1257	on_instantiate => sub {
927	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
928		1259
929	$data = from_json $data;	1260	$data = decode_json $data;
930		1261
931	for (@$data) {	1262	for (@$data) {
932	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
933		1264
934	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1281	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
952		1283
953	sync_job {	1284	sync_job {
954	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
957		1290
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	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	}
962	close $fh;	1298	aio_close $fh;
963		1299
964	if (@$objs) {	1300	if (@$objs) {
965	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) {
966	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
969	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	}
970	close $fh;	1309	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
972	}	1311	}
973	} else {	1312	} else {
974	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
975	}	1314	}
976		1315
977	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1320	} else {
979	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
980	}	1322	}
981	} else {	1323	} else {
982	aio_unlink $filename;	1324	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
984	}	1326	}
985	}	1327	};
986	}	1328	}
987		1329
988	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
990		1332
…		…
1002	or return;	1344	or return;
1003		1345
1004	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1348	or return;
		1349
1007	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1008	}	1352	}
1009		1353
		1354	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1012	return ($data, $av);	1359	($data, $av)
1013	}	1360	}
1014		1361
1015	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1016		1363
1017	=over 4	1364	=over 4
…		…
1071	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1072		1419
1073	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1074	}	1421	}
1075		1422
		1423	use File::Glob ();
		1424
1076	cf::player->attach (	1425	cf::player->attach (
1077	on_command => sub {	1426	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1079		1428
1080	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1081	or return;	1430	or return;
1082		1431
…		…
1087	cf::override;	1436	cf::override;
1088	},	1437	},
1089	on_extcmd => sub {	1438	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1091		1440
1092	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1442
1094	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
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1100	} else {	1458	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1460	}
1103		1461
1104	cf::override;	1462	cf::override;
1105	},	1463	},
1106	);	1464	);
1107		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
1108	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1109	cf::sync_job {	1482	cf::sync_job {
1110	my %todo;	1483	my %todo;
1111		1484
1112	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1113	next unless -r $path;	1486	next unless -r $path;
…		…
1131		1504
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1507
1135	$ext{source} =	1508	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1137	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1138	. $source	1511	. $source
1139	. "\n};\n1";	1512	. "\n};\n1";
1140		1513
1141	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1142	}	1515	}
1143		1516
		1517	my $pass = 0;
1144	my %done;	1518	my %done;
1145	while (%todo) {	1519	while (%todo) {
1146	my $progress;	1520	my $progress;
1147		1521
		1522	++$pass;
		1523
		1524	ext:
1148	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1527	next ext
1151	unless exists $done{$_};	1528	unless exists $done{$_};
1152	}	1529	}
1153		1530
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1532
1156	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1161	warn $msg;	1540
1162	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163	exit 1;	1542	delete $todo{$k};
1164	}	1543	} else {
1165		1544	$done{$k} = delete $todo{$k};
1166	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1167	}	1550	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1551	}
1173		1552
1174	skip:	1553	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	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
		1561	last;
		1562	}
1177	}	1563	}
1178	};	1564	};
1179	}	1565	}
1180		1566
1181	#############################################################################	1567	#############################################################################
1182		1568
1183	=back	1569	=back
1184		1570
1185	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1186		1572
1187	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1188		1574
1189	=cut	1575	=cut
1190		1576
1191	package cf::player;	1577	package cf::player;
1192		1578
1193	use Coro::AIO;	1579	use Coro::AIO;
1194		1580
1195	=head3 cf::player	1581	=head3 cf::player
1196		1582
1197	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1198		1598
1199	=item cf::player::find $login	1599	=item cf::player::find $login
1200		1600
1201	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1202		1602
…		…
1221		1621
1222	sub exists($) {	1622	sub exists($) {
1223	my ($login) = @_;	1623	my ($login) = @_;
1224		1624
1225	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1227	}	1627	}
1228		1628
1229	sub find($) {	1629	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1631	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1642
1243	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1246	}	1652	}
1247	}	1653	}
1248	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1249		1668
1250	sub save($) {	1669	sub save($) {
1251	my ($pl) = @_;	1670	my ($pl) = @_;
1252		1671
1253	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1259		1678
1260	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1262		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1263	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1264	Coro::cede;	1688	cf::cede_to_tick;
1265	}	1689	}
1266		1690
1267	sub new($) {	1691	sub new($) {
1268	my ($login) = @_;	1692	my ($login) = @_;
1269		1693
…		…
1275	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1276		1700
1277	$self	1701	$self
1278	}	1702	}
1279		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1280	=item $pl->quit_character	1714	=item $pl->quit_character
1281		1715
1282	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1284		1718
…		…
1288	my ($pl) = @_;	1722	my ($pl) = @_;
1289		1723
1290	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1291		1725
1292	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1728
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1296	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1298	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1299		1737
1300	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1302	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1337	or return [];	1775	or return [];
1338		1776
1339	my @logins;	1777	my @logins;
1340		1778
1341	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1345		1789
1346	utf8::decode $login;	1790	utf8::decode $login;
1347	push @logins, $login;	1791	push @logins, $login;
1348	}	1792	}
1349		1793
1350	\@logins	1794	\@logins
1351	}	1795	}
1352		1796
1353	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1354		1800
1355	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1356	player. May block.	1802	player. May block.
1357		1803
1358	=cut	1804	=cut
…		…
1376	}	1822	}
1377		1823
1378	\@paths	1824	\@paths
1379	}	1825	}
1380		1826
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1828
1383	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1384		1830
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1415		1832
1416	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1417		1834
1418	=cut	1835	=cut
1419		1836
1420	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1422		1839
1423	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1841	}
1426		1842
1427	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1428		1844
1429	Sends an ext event to the client.	1845	Sends an ext event to the client.
1430		1846
1431	=cut	1847	=cut
1432		1848
1433	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1435		1851
1436	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1437	}	1853	}
1438		1854
1439	=head3 cf::region	1855	=head3 cf::region
1440		1856
1441	=over 4	1857	=over 4
…		…
1451	=cut	1867	=cut
1452		1868
1453	sub find_by_path($) {	1869	sub find_by_path($) {
1454	my ($path) = @_;	1870	my ($path) = @_;
1455		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1456	my ($match, $specificity);	1874	my ($match, $specificity);
1457		1875
1458	for my $region (list) {	1876	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1462	}	1880	}
1463	}	1881	}
1464		1882
…		…
1485	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1487		1905
1488	sub generate_random_map {	1906	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1490	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1491	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1500	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1502	(cf::region::find $rmp->{region}), $rmp->{custom}
1503	)
1504	}	1912	}
1505		1913
1506	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1507		1915
1508	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1513		1921
1514	sub register {	1922	sub register {
1515	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1516	my $pkg = caller;	1924	my $pkg = caller;
1517		1925
1518	no strict;
1519	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1520		1927
1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1522	}	1929	}
1523		1930
1524	# also paths starting with '/'	1931	# also paths starting with '/'
1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1526		1933
1527	sub thawer_merge {	1934	sub thawer_merge {
1528	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1529		1936
1530	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1535	}	1942	}
1536		1943
1537	sub normalise {	1944	sub normalise {
1538	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1539		1946
1540	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1541		1948
1542	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1543		1950
1544	# map plan:	1951	# map plan:
1545	#	1952	#
…		…
1560	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1561	$path = "$base/$path";	1968	$path = "$base/$path";
1562	}	1969	}
1563		1970
1564	for ($path) {	1971	for ($path) {
1565	redo if s{//}{/};
1566	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1567	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1568	}	1974	}
1569		1975
1570	$path	1976	$path
…		…
1584	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1585	return $self;	1991	return $self;
1586	}	1992	}
1587	}	1993	}
1588		1994
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1590	()	1996	()
1591	}	1997	}
1592		1998
		1999	# may re-bless or do other evil things
1593	sub init {	2000	sub init {
1594	my ($self) = @_;	2001	my ($self) = @_;
1595		2002
1596	$self	2003	$self
1597	}	2004	}
…		…
1616		2023
1617	# the temporary/swap location	2024	# the temporary/swap location
1618	sub save_path {	2025	sub save_path {
1619	my ($self) = @_;	2026	my ($self) = @_;
1620		2027
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1623	}	2030	}
1624		2031
1625	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1626	sub uniq_path {	2033	sub uniq_path {
1627	my ($self) = @_;	2034	my ($self) = @_;
1628		2035
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	2038	}
1641		2039
1642	sub decay_objects {	2040	sub decay_objects {
1643	my ($self) = @_;	2041	my ($self) = @_;
1644		2042
…		…
1657		2055
1658	sub load_header_from($) {	2056	sub load_header_from($) {
1659	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1660		2058
1661	utf8::encode $path;	2059	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1667		2068
1668	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1669		2070
1670	1	2071	1
1671	}	2072	}
…		…
1723		2124
1724	sub find;	2125	sub find;
1725	sub find {	2126	sub find {
1726	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1727		2128
		2129	cf::cede_to_tick;
		2130
1728	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1729		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2135
1732	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1735	or return;	2138	or return;
1736		2139
1737	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1738		2141
…		…
1740	or return;	2143	or return;
1741		2144
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1745	$map->reset;	2150	$map->reset;
1746	undef $guard;
1747	return find $path;	2151	return find $path;
1748	}	2152	}
1749		2153
1750	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1751	}	2155	}
1752	}	2156	}
1753		2157
1754	sub pre_load { }	2158	sub pre_load { }
1755	sub post_load { }	2159	#sub post_load { } # XS
1756		2160
1757	sub load {	2161	sub load {
1758	my ($self) = @_;	2162	my ($self) = @_;
1759		2163
1760	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1761		2165
1762	my $path = $self->{path};	2166	my $path = $self->{path};
1763		2167
1764	{	2168	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1766		2170
		2171	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		2173
1769	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1770		2175
1771	$self->alloc;	2176	$self->alloc;
1772		2177
1773	$self->pre_load;	2178	$self->pre_load;
1774	Coro::cede;	2179	cf::cede_to_tick;
1775		2180
1776	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1777	or return;	2185	or return;
1778		2186
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1780	if delete $self->{load_original};	2188	if delete $self->{load_original};
1781		2189
1782	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2191	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2194	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1787	}	2199	}
1788	}
1789		2200
1790	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
		2203
		2204	cf::cede_to_tick;
1791	# now do the right thing for maps	2205	# now do the right thing for maps
1792	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2208	unless $self->difficulty;
1795	Coro::cede;	2209	cf::cede_to_tick;
1796		2210
1797	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2212	$self->decay_objects;
1799	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1800	$self->update_buttons;	2214	$self->update_buttons;
1801	Coro::cede;	2215	cf::cede_to_tick;
1802	$self->set_darkness_map;
1803	Coro::cede;
1804	$self->activate;	2216	$self->activate;
1805	}	2217	}
1806		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2223	}
1809		2224
1810	$self->post_load;	2225	$self->post_load;
1811	}
1812		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2233	sub customise_for {
1814	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1815		2235
1816	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2237	if $self->per_player;
…		…
1821		2241
1822	$self	2242	$self
1823	}	2243	}
1824		2244
1825	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {	2246	sub load_neighbours {
1827	my ($map) = @_;	2247	my ($map) = @_;
1828		2248
1829	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1830		2250
1831	for (0 .. 3) {	2251	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1833	or next;	2253	or next;
1834	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1835	or next;	2255	or next;
1836	$neigh->load;	2256	$neigh->load;
1837		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2262	}
1841		2263
1842	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1844	or next;	2267	or next;
1845	$neigh->load;	2268	$neigh->load;
1846	}	2269	}
1847	}	2270	}
1848		2271
1849	sub find_sync {	2272	sub find_sync {
1850	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1851		2274
1852	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1853	}	2279	}
1854		2280
1855	sub do_load_sync {	2281	sub do_load_sync {
1856	my ($map) = @_;	2282	my ($map) = @_;
1857		2283
1858	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1859	}	2288	}
1860		2289
1861	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1863		2292
1864	sub find_async {	2293	sub find_async {
1865	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1866		2295
1867	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1868		2297
1869	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2300	}
1872		2301
1873	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1874	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1875	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2309	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2310	$map->load if $v;
		2311	}
1880		2312
1881	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1882	}	2314	}
1883	}	2315	}
1884	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1885	};	2317	};
1886	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1887		2319
1888	()	2320	()
1889	}	2321	}
1890		2322
		2323	# common code, used by both ->save and ->swapout
1891	sub save {	2324	sub _save {
1892	my ($self) = @_;	2325	my ($self) = @_;
1893
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1895		2326
1896	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1897		2328
1898	return unless $self->dirty;	2329	return unless $self->dirty;
1899		2330
…		…
1905	return if $self->{deny_save};	2336	return if $self->{deny_save};
1906		2337
1907	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1908		2339
1909	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1911	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1912		2346
1913	if ($uniq) {	2347	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2350	} else {
1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918	}	2352	}
1919	}	2353	}
1920		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1921	sub swap_out {	2363	sub swap_out {
1922	my ($self) = @_;	2364	my ($self) = @_;
1923		2365
1924	# save first because save cedes
1925	$self->save;
1926
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1929	return if $self->players;	2370	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1931	return if $self->{deny_save};
1932		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1933	$self->clear;	2381	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2382	}
1936		2383
1937	sub reset_at {	2384	sub reset_at {
1938	my ($self) = @_;	2385	my ($self) = @_;
1939		2386
…		…
1957		2404
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2406
1960	return if $self->players;	2407	return if $self->players;
1961		2408
1962	warn "resetting map ", $self->path;	2409	cf::trace "resetting map ", $self->path, "\n";
1963		2410
1964	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1965		2412
1966	# need to save uniques path	2413	# need to save uniques path
1967	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1971	if $uniq;	2418	if $uniq;
1972	}	2419	}
1973		2420
1974	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1975		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2425	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2426
1980	$self->unlink_save;	2427	$self->unlink_save;
1981	$self->destroy;	2428	$self->destroy;
1982	}	2429	}
1983		2430
1984	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1985		2432
1986	sub nuke {	2433	sub nuke {
1987	my ($self) = @_;	2434	my ($self) = @_;
1988		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1989	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1990		2440
1991	$self->unlink_save;	2441	$self->unlink_save;
1992		2442
1993	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1994	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2448
1999	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
2000		2451
2001	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
2002	}	2453	}
2003		2454
2004	=item $maps = cf::map::tmp_maps	2455	=item $maps = cf::map::tmp_maps
…		…
2046		2497
2047	sub unique_maps() {	2498	sub unique_maps() {
2048	[	2499	[
2049	map {	2500	map {
2050	utf8::decode $_;	2501	utf8::decode $_;
2051	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
2052	? normalise $_	2505	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2507	]
2056	}	2508	}
2057		2509
2058	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
2059		2541
2060	=back	2542	=back
2061		2543
2062	=head3 cf::object	2544	=head3 cf::object
2063		2545
…		…
2067		2549
2068	=over 4	2550	=over 4
2069		2551
2070	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2071		2553
2072	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2073		2556
2074	=cut	2557	=cut
2075		2558
2076	sub inv_recursive_;	2559	sub inv_recursive_;
2077	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2080		2563
2081	sub inv_recursive {	2564	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2083	}	2566	}
2084		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
2085	package cf;	2596	package cf;
2086		2597
2087	=back	2598	=back
2088		2599
2089	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2098		2609
2099	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
2100		2625
2101	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2627	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
2111		2636
2112	} else {	2637	} else {
2113	my $pl = $self->contr;	2638	my $pl = $self->contr;
2114		2639
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2643
2124	} else {	2644	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2647	}
2128	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
2129	}	2659	}
2130		2660
2131	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
2132		2662
2133	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
2146		2676
2147	=item $player_object->enter_link	2677	=item $player_object->enter_link
2148		2678
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2680
2151	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2153		2685
2154	Will never block.	2686	Will never block.
2155		2687
2156	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2157		2689
…		…
2177	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2178	my ($self) = @_;	2710	my ($self) = @_;
2179		2711
2180	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2181		2713
		2714	++$self->{_link_recursion};
		2715
2182	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2183		2717
2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2186		2720
2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2188	}	2722	}
2189		2723
2190	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2191	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2192		2726
…		…
2209	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2211		2745
2212	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2215		2749
2216	$map->load;	2750	$map->load;
2217	$map->load_diag;	2751	$map->load_neighbours;
2218		2752
2219	return unless $self->contr->active;	2753	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2754
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2224	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2225		2762
		2763	}
		2764
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2227		2766
2228	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
2232		2775
2233	=cut	2776	=cut
2234		2777
2235	our $GOTOGEN;	2778	our $GOTOGEN;
2236		2779
2237	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
2239		2788
2240	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2791
2243	$self->enter_link;	2792	$self->enter_link;
2244		2793
2245	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
2246	my $map = eval {	2816	my $map = eval {
2247	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
2248		2818
2249	if ($map) {	2819	if ($map) {
2250	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2252	} else {	2822	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2824	}
2255		2825
2256	$map	2826	$map
2257	};	2827	};
2258		2828
…		…
2263		2833
2264	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2267	}	2837	}
		2838
		2839	$done->($self) if $done;
2268	})->prio (1);	2840	})->prio (1);
2269	}	2841	}
2270		2842
2271	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2272		2844
…		…
2292	}	2864	}
2293		2865
2294	sub prepare_random_map {	2866	sub prepare_random_map {
2295	my ($exit) = @_;	2867	my ($exit) = @_;
2296		2868
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2871	# that depends on the exit object
2302		2872
2303	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2875	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2310	}	2882	}
2311		2883
2312	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2313		2885
2314	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2317		2889
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2892	undef $fh;
2321	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2322		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2325	}	2901	}
2326	}	2902	}
2327		2903
2328	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2330		2906
2331	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2332		2908
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2909	$self->enter_link;
2345		2910
2346	(async {	2911	(async {
2347	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2348	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2349	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2350		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2351	1;	2935	1
2352	}) {	2936	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2357		2941
2358	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2359	$self->leave_link;	2943	$self->leave_link;
2360	}	2944	}
2361	})->prio (1);	2945	})->prio (1);
2362	}	2946	}
2363		2947
…		…
2377		2961
2378	utf8::encode $text;	2962	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2964	}
2381		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2992
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2994	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2995	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2996	the message unless the client supports the msg packet.
2388		2997
2389	=cut	2998	=cut
2390		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
2391	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2393		3116
2394	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
2395		3119
2396	if ($self->can_msg) {	3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		3121
2409	if ($color >= 0) {	3122	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	3123	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	3124	$channel = $CHANNEL{$channel};
2412	} else {	3125
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3126	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
2415	}	3134	}
2416	}
2417	}
2418	}
2419		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
2420	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2421		3154
2422	Sends an ext event to the client.	3155	Sends an ext event to the client.
2423		3156
2424	=cut	3157	=cut
2425		3158
2426	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2428		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
2431	}	3186	}
2432		3187
2433	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2434		3189
2435	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
…		…
2458		3213
2459	1	3214	1
2460	}	3215	}
2461		3216
2462	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2463	on_reply => sub {	3223	on_reply => sub {
2464	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2465		3225
2466	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2467	# get handled first	3227	# get handled first
…		…
2482	}	3242	}
2483	},	3243	},
2484	on_exticmd => sub {	3244	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3245	my ($ns, $buf) = @_;
2486		3246
2487	my $msg = eval { from_json $buf };	3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3248
2489	if (ref $msg) {	3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3257	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3258	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
2496	} else {	3264	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3266	}
2499		3267
2500	cf::override;	3268	cf::override;
2501	},	3269	},
2502	);	3270	);
…		…
2522		3290
2523	$coro	3291	$coro
2524	}	3292	}
2525		3293
2526	cf::client->attach (	3294	cf::client->attach (
2527	on_destroy => sub {	3295	on_client_destroy => sub {
2528	my ($ns) = @_;	3296	my ($ns) = @_;
2529		3297
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3299	},
2532	);	3300	);
…		…
2547	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2549		3317
2550	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2551		3319
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2553		3325
2554	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2555		3327
2556	=pod	3328	=pod
2557		3329
2558	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2559		3331
2560	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2561	cf::object::player player	3337	cf::object::player
2562	cf::player peaceful	3338	player
2563	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2564		3345
2565	=cut	3346	=cut
2566		3347
2567	for (	3348	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2572	) {	3355	) {
2573	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2576	for @funs;	3358	for @funs;
2577	}	3359	}
2578		3360
…		…
2593		3375
2594	my $qcode = $code;	3376	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2597		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2598	local $_;	3383	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3384
2601	my $eval =	3385	my $eval =
2602	"do {\n"	3386	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3389	. $code
2606	. "\n}"	3390	. "\n}"
2607	;	3391	;
2608		3392
		3393	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2612		3402
2613	if ($@) {	3403	if ($@) {
2614	warn "$@";	3404	warn "$@",
2615	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2616	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2617	}	3407	}
2618		3408
2619	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2620	}	3410	}
2621		3411
…		…
2635	=cut	3425	=cut
2636		3426
2637	sub register_script_function {	3427	sub register_script_function {
2638	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2639		3429
2640	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2642	}	3432	}
2643		3433
2644	=back	3434	=back
2645		3435
2646	=cut	3436	=cut
…		…
2649	# the server's init and main functions	3439	# the server's init and main functions
2650		3440
2651	sub load_facedata($) {	3441	sub load_facedata($) {
2652	my ($path) = @_;	3442	my ($path) = @_;
2653		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2654	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2655		3451
2656	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2657	0 < aio_load $path, $facedata
2658	or die "$path: $!";
2659
2660	$facedata = Coro::Storable::thaw $facedata;
2661		3453
2662	$facedata->{version} == 2	3454	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
2665	{	3466	{
2666	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2667		3468
2668	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673	Coro::cede;	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
2674	}	3479	}
2675		3480
2676	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2678	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2679	or next;	3485	or next;
		3486
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3490	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3492	}
2685	Coro::cede;	3493
		3494	cf::cede_to_tick;
2686	}	3495	}
2687	}	3496	}
2688		3497
2689	{	3498	{
2690	my $anims = $facedata->{animinfo};	3499	my $anims = $facedata->{animinfo};
2691		3500
2692	while (my ($anim, $info) = each %$anims) {	3501	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3503	cf::cede_to_tick;
2695	}	3504	}
2696		3505
2697	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2698	}	3507	}
2699		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
2700	1	3528	1
2701	}	3529	}
2702		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
2703	sub reload_regions {	3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
2704	load_resource_file "$MAPDIR/regions"	3554	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
2706	}	3561	}
2707		3562
2708	sub reload_facedata {	3563	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3564	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3565	or die "unable to load facedata\n";
…		…
2718	sub reload_treasures {	3573	sub reload_treasures {
2719	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
2720	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
2721	}	3576	}
2722		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
2723	sub reload_resources {	3598	sub reload_resources {
2724	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
2725		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
2726	reload_regions;	3606	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3607	reload_treasures;
2731		3608
2732	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
2733	}	3610	}
2734		3611
2735	sub init {	3612	sub reload_config {
2736	reload_resources;	3613	trace "reloading config file...\n";
2737	}
2738		3614
2739	sub cfg_load {	3615	my $config = load_file "$CONFDIR/config";
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3616	utf8::decode $config;
2741	or return;	3617	*CFG = decode_yaml $config;
2742		3618
2743	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;
2745
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2747		3620
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2750		3623
2751	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2755	};	3628	};
2756	warn $@ if $@;	3629	warn $@ if $@;
2757	}	3630	}
2758	}	3631	}
2759		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2760	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2761	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3674	(async {
2765	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2767	};	3678	};
2768		3679
2769	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2770	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2771	load_extensions;	3703	load_extensions;
2772		3704
2773	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2775	}	3723	}
2776		3724
2777	#############################################################################	3725	#############################################################################
2778	# initialisation and cleanup	3726	# initialisation and cleanup
2779		3727
2780	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2781	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2790	},
2791	);	3734	};
2792	}	3735	}
2793	}	3736	}
2794		3737
2795	sub write_runtime {	3738	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
2797		3740
2798	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
2800		3743
2801	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3745
2803	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
2804		3747
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3749	or return;
2807		3750
2808	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
2821		3764
2822	close $fh	3765	close $fh
2823	or return;	3766	or return;
2824		3767
2825	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3769	and return;
2827		3770
2828	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829		3772
2830	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2831	}	3824	}
2832		3825
2833	sub emergency_save() {	3826	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2835		3828
2836	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2837		3835
2838	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2839	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3847	$pl->save;
2847	}	3848	}
2848	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2849		3850
2850	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	3856	$map->valid or next;
2854	$map->save;	3857	$map->save;
2855	}	3858	}
2856	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2857		3860
2858	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2861	};	3889	};
2862		3890
2863	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2864	}	3892	}
2865		3893
2866	sub post_cleanup {	3894	sub post_cleanup {
2867	my ($make_core) = @_;	3895	my ($make_core) = @_;
2868		3896
		3897	IO::AIO::flush;
		3898
2869	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
2871	}	3929	}
2872		3930
2873	sub do_reload_perl() {	3931	sub do_reload_perl() {
2874	# can/must only be called in main	3932	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2876	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2877	return;	3935	return;
2878	}	3936	}
2879		3937
2880	warn "reloading...";	3938	return if $RELOAD++;
2881		3939
2882	warn "entering sync_job";	3940	my $t1 = AE::time;
2883		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2884	cf::sync_job {	3948	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark
2886	cf::emergency_save;	3949	#cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark
2888		3950
2889	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;
2891
2892	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();	3953	%EXT_CORO = ();
2913		3954
2914	warn "removing commands";	3955	trace "perl_reload: removing commands";
2915	%COMMAND = ();	3956	%COMMAND = ();
2916		3957
2917	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
2918	%EXTCMD = ();	3959	%EXTCMD = ();
2919	%EXTICMD = ();	3960	%EXTICMD = ();
2920		3961
2921	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2924		3965
2925	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2926	eval {	3967	eval {
2927	$cb->($pkg);	3968	$cb->($pkg);
2928	1	3969	1
2929	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2930	}	3975	}
2931		3976
2932	warn "... nuking $pkg";
2933	Symbol::delete_package $pkg;
2934	}
2935
2936	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2937	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		3980
2940	warn "... unloading $k";	3981	trace "... unloading $k";
2941	delete $INC{$k};	3982	delete $INC{$k};
2942		3983
2943	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2945		3986
2946	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2947	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2948	}	3992	}
2949		3993
2950	Symbol::delete_package $k;
2951	}
2952
2953	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		3997
2957	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		4001
2961	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2962	# and global variables created in xs	4003	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2964		4005
2965	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2966		4007
2967	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2968	require cf;	4009	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2970		4011
2971	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2972	cf::cfg_load;	4013	cf::reload_config;
2973		4014
2974	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2975	cf::load_extensions;	4016	cf::load_extensions;
2976		4017
		4018	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2980	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2983		4026
2984	warn "leaving sync_job";	4027	cf::_post_init 1;
2985		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
2986	1	4031	1
2987	} or do {	4032	} or do {
2988	warn $@;	4033	error $@;
2989	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2990	exit 1;	4035	};
		4036
		4037	--$RELOAD;
2991	};	4038	}
2992		4039
2993	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
2994	};	4042	};
2995		4043
2996	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
2997		4045
2998	sub reload_perl() {	4046	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3001		4049
3002	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	4052
3005	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	4054	do_reload_perl;
3008	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
3009	},	4056	};
3010	);	4057	};
3011	}	4058	}
3012		4059
3013	register_command "reload" => sub {	4060	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
3015		4062
3016	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	4067	reload_perl;
		4068	};
3019	}	4069	}
3020	};	4070	};
3021		4071
3022	unshift @INC, $LIBDIR;	4072	#############################################################################
3023		4073
3024	my $bug_warning = 0;	4074	my $bug_warning = 0;
3025		4075
3026	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3028		4078
3029	sub wait_for_tick {	4079	sub wait_for_tick() {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3032		4081
3033	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	4084	$signal->wait;
3036	}	4085	}
3037		4086
3038	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		4089
3042	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	4092	$signal->wait;
3045	}	4093	}
3046		4094
3047	my $min = 1e6;#d#	4095	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3059	return;	4099	return;
3060	}	4100	}
3061		4101
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3065		4103
3066	0 && sync_job {#d#	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3067	for(1..10) {
3068	my $t = Event::time;
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3070	or die;
3071		4105
3072	$map->width (50);	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3073	$map->height (50);	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3074	$map->alloc;	4108	Coro::async_pool {
3075	$map->_load_objects ("/tmp/x.map", 1);	4109	$Coro::current->{desc} = "runtime saver";
3076	my $t = Event::time - $t;	4110	write_runtime_sync
3077		4111	or error "ERROR: unable to write runtime file: $!";
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	4112	};
		4113	}
3088		4114
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	4116	$sig->send;
3105	}	4117	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	4119	$sig->send;
3108	}	4120	}
3109		4121
3110	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		4124
3121	_post_tick;	4125	if (0) {
3122		4126	if ($NEXT_TICK) {
3123		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3124	},	4131	}
3125	);	4132	}
3126		4133
3127	{	4134	{
3128	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	4136
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3138		4138	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		4140
3154	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		4148
3157	cf::sync_job {	4149	cf::sync_job {
3158	eval {	4150	eval {
3159	BDB::db_env_open	4151	BDB::db_env_open
3160	$DB_ENV,	4152	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4156	0666;
3165		4157
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4159	};
3171		4160
3172	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4162	};
3174	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3175	}	4174	}
3176		4175
3177	{	4176	{
		4177	# configure IO::AIO
		4178
3178	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4182	}
3191		4183
3192	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3193		4186
3194	sub _log_backtrace {	4187	sub _log_backtrace {
3195	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3196		4189
3197	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3198		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3199	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3201	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3202	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3203	my @bt = fork_call {	4203	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3215	}	4215	}
3216		4216
3217	@funcs	4217	@funcs
3218	};	4218	};
3219		4219
3220	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4223	--$_log_backtrace;
3223	};	4224	};
3224	} else {	4225	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3227	}	4228	}
3228	}	4229	}
3229		4230
3230	# load additional modules	4231	# load additional modules
3231	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3232		4234
3233	END { cf::emergency_save }	4235	END { cf::emergency_save }
3234		4236
3235	1	4237	1
3236		4238

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