ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
249	=item cf::lock_wait $string	376	=item cf::lock_wait $string
250		377
251	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
252		379
253	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
254		381
255	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
258	returned.	385	returned.
259		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
260	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
262		392
263	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
264		394
265	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
266		396
267	=cut	397	=cut
268		398
269	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
270		400
271	sub lock_wait($) {	401	sub lock_wait($) {
272	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	403	}
280		404
281	sub lock_acquire($) {	405	sub lock_acquire($) {
282	my ($key) = @_;	406	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	407	}
294		408
295	sub lock_active($) {	409	sub lock_active($) {
296	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	411	}
300		412
301	sub freeze_mainloop {	413	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
303		415
304	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
306	};	483	}
307	$TICK_WATCHER->stop;	484	};
308	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
309	}	499	}
310		500
311	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
312		502
313	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		508
319	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
320		510
321	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
322		512
323	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
326		517
327	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
330	fast or be very important.	521	fast or be very important.
…		…
332	=cut	523	=cut
333		524
334	sub sync_job(&) {	525	sub sync_job(&) {
335	my ($job) = @_;	526	my ($job) = @_;
336		527
337	if ($Coro::current == $Coro::main) {	528	if (in_main) {
338	my $time = Event::time;	529	my $time = AE::time;
339		530
340	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
342		533
343	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	535
345	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
346		537
347	my $busy = 1;	538	my $busy = 1;
348	my @res;	539	my @res;
349		540
350	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	543	@res = eval { $job->() };
352	warn $@ if $@;	544	error $@ if $@;
353	undef $busy;	545	undef $busy;
354	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
355		547
356	while ($busy) {	548	while ($busy) {
357	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
358	}	553	}
		554	}
359		555
360	$time = Event::time - $time;	556	my $time = AE::time - $time;
361		557
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
366		559
367	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
368	} else {	561	} else {
369	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
370		563
…		…
390	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
391		584
392	$coro	585	$coro
393	}	586	}
394		587
395	sub write_runtime {	588	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		589
398	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
400		594
401	IO::AIO::aio_utime $runtime, undef, undef;	595	=cut
402		596
403	my $guard = cf::lock_acquire "write_runtime";	597	sub post_fork {
		598	reset_signals;
		599	}
404		600
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	601	sub fork_call(&@) {
406	or return;	602	my ($cb, @args) = @_;
407		603
408	my $value = $cf::RUNTIME + 90 + 10;	604	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	605	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	606	# TODO: investigate and fix (likely this will be rather laborious)
411		607
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	608	my @res = Coro::Util::fork_eval {
413	and return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
414		612
415	# always fsync - this file is important	613	wantarray ? @res : $res[-1]
416	aio_fsync $fh	614	}
417	and return;
418		615
419	# touch it again to show we are up-to-date	616	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
431	}	781	}
432		782
433	=item cf::datalog type => key => value, ...	783	=item cf::datalog type => key => value, ...
434		784
435	Log a datalog packet of the given type with the given key-value pairs.	785	Log a datalog packet of the given type with the given key-value pairs.
436		786
437	=cut	787	=cut
438		788
439	sub datalog($@) {	789	sub datalog($@) {
440	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	792	}
443		793
444	=back	794	=back
445		795
446	=cut	796	=cut
447		797
448	#############################################################################	798	#############################################################################
449		799
450	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
451		801
452	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
455		805
456	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	808	Deliantra).
459		809
460	=over 4	810	=over 4
461		811
462	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
463		813
…		…
507	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
508		858
509	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
511		861
512	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
514		864
515	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
516		866
517	=over 4	867	=over 4
…		…
641		991
642	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		994
645	} elsif (ref $type) {	995	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
647		997
648	} else {	998	} else {
649	shift @arg;	999	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
651	}	1001	}
652	}	1002	}
653	}	1003	}
654		1004
655	sub _object_attach {	1005	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
666	}	1016	}
667		1017
668	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
669	} else {	1019	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1021	}
672		1022
673	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
674	}	1024	}
675		1025
…		…
715	";	1065	";
716	die if $@;	1066	die if $@;
717	}	1067	}
718		1068
719	our $override;	1069	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1071
722	sub override {	1072	sub override {
723	$override = 1;	1073	$override = 1;
724	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
725	}	1075	}
726		1076
727	sub do_invoke {	1077	sub do_invoke {
728	my $event = shift;	1078	my $event = shift;
729	my $callbacks = shift;	1079	my $callbacks = shift;
730		1080
731	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
732		1082
733	local $override;	1083	local $override;
734		1084
735	for (@$callbacks) {	1085	for (@$callbacks) {
736	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
737		1087
738	if ($@) {	1088	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1090	override;
742	}	1091	}
743		1092
744	return 1 if $override;	1093	return 1 if $override;
745	}	1094	}
746		1095
747	0	1096	0
748	}	1097	}
749		1098
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1100
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1102
754	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
755		1104
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1108
760	=back	1109	=back
761		1110
762	=cut	1111	=cut
763		1112
764	#############################################################################	1113	#############################################################################
765	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
766		1157
767	sub reattach {	1158	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1160	my ($obj) = @_;
770		1161
		1162	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1164
773	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
774		1166
775	@$registry = ();	1167	@$registry = ();
776		1168
…		…
781	for (@$attach) {	1173	for (@$attach) {
782	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
784	}	1176	}
785	} else {	1177	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1179	}
788	}	1180	}
789	}	1181	}
790		1182
791	cf::attachable->attach (	1183	cf::attachable->attach (
792	prio => -1000000,	1184	prio => -1000000,
793	on_instantiate => sub {	1185	on_instantiate => sub {
794	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
795		1187
796	$data = from_json $data;	1188	$data = decode_json $data;
797		1189
798	for (@$data) {	1190	for (@$data) {
799	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
800		1192
801	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1209	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
819		1211
820	sync_job {	1212	sync_job {
821	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
824		1218
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
829	close $fh;	1226	aio_close $fh;
830		1227
831	if (@$objs) {	1228	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
837	close $fh;	1237	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
839	}	1239	}
840	} else {	1240	} else {
841	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
842	}	1242	}
843		1243
844	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1248	} else {
846	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
847	}	1250	}
848	} else {	1251	} else {
849	aio_unlink $filename;	1252	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
851	}	1254	}
852	}	1255	};
853	}	1256	}
854		1257
855	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
857		1260
…		…
869	or return;	1272	or return;
870		1273
871	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
873	or return;	1276	or return;
		1277
874	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
875	}	1280	}
876		1281
		1282	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
879	return ($data, $av);	1287	($data, $av)
880	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
881		1295
882	#############################################################################	1296	#############################################################################
883	# command handling &c	1297	# command handling &c
884		1298
885	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1313	}
900		1314
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1316
903	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
904		1322
905	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
906	called.	1324	called.
907		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
908	=cut	1337	=cut
909		1338
910	sub register_extcmd {	1339	sub register_extcmd {
911	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
912		1341
913	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
914	}	1343	}
915		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
916	cf::player->attach (	1353	cf::player->attach (
917	on_command => sub {	1354	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
919		1356
920	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
921	or return;	1358	or return;
922		1359
…		…
927	cf::override;	1364	cf::override;
928	},	1365	},
929	on_extcmd => sub {	1366	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
931		1368
932	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1370
934	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
940	} else {	1386	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1388	}
943		1389
944	cf::override;	1390	cf::override;
945	},	1391	},
946	);	1392	);
947		1393
		1394	# "readahead" all extensions
		1395	sub cache_extensions {
		1396	my $grp = IO::AIO::aio_group;
		1397
		1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1399	for (grep /\.ext$/, @{$_[0]}) {
		1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1401	}
		1402	};
		1403
		1404	$grp
		1405	}
		1406
948	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
949	cf::sync_job {	1410	cf::sync_job {
950	my %todo;	1411	my %todo;
951		1412
952	for my $path (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1414	next unless -r $path;
…		…
967	path => $path,	1428	path => $path,
968	base => $base,	1429	base => $base,
969	pkg => $pkg,	1430	pkg => $pkg,
970	);	1431	);
971		1432
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1435
975	$ext{source} =	1436	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1437	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1438	. "#line 1 \"$path\"\n{\n"
978	. $source	1439	. $source
979	. "\n};\n1";	1440	. "\n};\n1";
980		1441
981	$todo{$base} = \%ext;	1442	$todo{$base} = \%ext;
982	}	1443	}
983		1444
		1445	my $pass = 0;
984	my %done;	1446	my %done;
985	while (%todo) {	1447	while (%todo) {
986	my $progress;	1448	my $progress;
987		1449
		1450	++$pass;
		1451
		1452	ext:
988	while (my ($k, $v) = each %todo) {	1453	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1454	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1455	next ext
991	unless exists $done{$_};	1456	unless exists $done{$_};
992	}	1457	}
993		1458
994	warn "... loading '$k' into '$v->{pkg}'\n";	1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1460
996	unless (eval $v->{source}) {	1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1464	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1467	if exists $v->{meta}{mandatory};
1001	warn $msg;	1468
1002	warn "mandatory extension failed to load, exiting.\n";	1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1470	delete $todo{$k};
1004	}	1471	} else {
1005		1472	$done{$k} = delete $todo{$k};
1006	die $msg;	1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
1007	}	1478	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1479	}
1012		1480
1013	skip:	1481	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
1016	}	1489	}
1017	};	1490	};
1018	}	1491	}
1019		1492
1020	#############################################################################	1493	#############################################################################
1021		1494
		1495	=back
		1496
1022	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1023		1498
1024	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1025		1500
1026	=cut	1501	=cut
1027		1502
1028	package cf::player;	1503	package cf::player;
1029		1504
1030	use Coro::AIO;	1505	use Coro::AIO;
1031		1506
1032	=head3 cf::player	1507	=head3 cf::player
1033		1508
1034	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
1035		1524
1036	=item cf::player::find $login	1525	=item cf::player::find $login
1037		1526
1038	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1039		1528
…		…
1058		1547
1059	sub exists($) {	1548	sub exists($) {
1060	my ($login) = @_;	1549	my ($login) = @_;
1061		1550
1062	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1064	}	1553	}
1065		1554
1066	sub find($) {	1555	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1557	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1568
1080	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1083	}	1578	}
1084	}	1579	}
1085	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1086		1594
1087	sub save($) {	1595	sub save($) {
1088	my ($pl) = @_;	1596	my ($pl) = @_;
1089		1597
1090	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1096		1604
1097	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1099		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1100	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1101	Coro::cede;	1614	cf::cede_to_tick;
1102	}	1615	}
1103		1616
1104	sub new($) {	1617	sub new($) {
1105	my ($login) = @_;	1618	my ($login) = @_;
1106		1619
…		…
1112	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1113		1626
1114	$self	1627	$self
1115	}	1628	}
1116		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1117	=item $pl->quit_character	1640	=item $pl->quit_character
1118		1641
1119	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1121		1644
…		…
1125	my ($pl) = @_;	1648	my ($pl) = @_;
1126		1649
1127	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1128		1651
1129	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1654
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1136		1663
1137	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1701	or return [];
1175		1702
1176	my @logins;	1703	my @logins;
1177		1704
1178	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1182		1715
1183	utf8::decode $login;	1716	utf8::decode $login;
1184	push @logins, $login;	1717	push @logins, $login;
1185	}	1718	}
1186		1719
1187	\@logins	1720	\@logins
1188	}	1721	}
1189		1722
1190	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1191		1726
1192	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1193	player. May block.	1728	player. May block.
1194		1729
1195	=cut	1730	=cut
…		…
1213	}	1748	}
1214		1749
1215	\@paths	1750	\@paths
1216	}	1751	}
1217		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1218	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1219		1758
1220	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1221		1760
1222	=cut	1761	=cut
1223		1762
1224	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1226		1765
1227	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1767	}
1231		1768
1232	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1233		1770
1234	Sends an ext event to the client.	1771	Sends an ext event to the client.
1235		1772
1236	=cut	1773	=cut
1237		1774
1238	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1240		1777
1241	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1242	}	1779	}
1243		1780
1244	=head3 cf::region	1781	=head3 cf::region
1245		1782
1246	=over 4	1783	=over 4
…		…
1249		1786
1250	package cf::region;	1787	package cf::region;
1251		1788
1252	=item cf::region::find_by_path $path	1789	=item cf::region::find_by_path $path
1253		1790
1254	Tries to decuce the probable region for a map knowing only its path.	1791	Tries to decuce the likely region for a map knowing only its path.
1255		1792
1256	=cut	1793	=cut
1257		1794
1258	sub find_by_path($) {	1795	sub find_by_path($) {
1259	my ($path) = @_;	1796	my ($path) = @_;
1260		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1261	my ($match, $specificity);	1800	my ($match, $specificity);
1262		1801
1263	for my $region (list) {	1802	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1267	}	1806	}
1268	}	1807	}
1269		1808
…		…
1290	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1292		1831
1293	sub generate_random_map {	1832	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1295	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1838	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1318		1860
1319	sub register {	1861	sub register {
1320	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1863	my $pkg = caller;
1322		1864
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1866
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1868	}
1328		1869
1329	# also paths starting with '/'	1870	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1872
1332	sub thawer_merge {	1873	sub thawer_merge {
1333	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1334		1875
1335	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
…		…
1340	}	1881	}
1341		1882
1342	sub normalise {	1883	sub normalise {
1343	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1344		1885
1345	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1346		1887
1347	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1348		1889
1349	# map plan:	1890	# map plan:
1350	#	1891	#
…		…
1389	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1390	return $self;	1931	return $self;
1391	}	1932	}
1392	}	1933	}
1393		1934
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1936	()
1396	}	1937	}
1397		1938
1398	sub init {	1939	sub init {
1399	my ($self) = @_;	1940	my ($self) = @_;
…		…
1421		1962
1422	# the temporary/swap location	1963	# the temporary/swap location
1423	sub save_path {	1964	sub save_path {
1424	my ($self) = @_;	1965	my ($self) = @_;
1425		1966
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1428	}	1969	}
1429		1970
1430	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1431	sub uniq_path {	1972	sub uniq_path {
1432	my ($self) = @_;	1973	my ($self) = @_;
1433		1974
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1977	}
1446		1978
1447	sub decay_objects {	1979	sub decay_objects {
1448	my ($self) = @_;	1980	my ($self) = @_;
1449		1981
…		…
1462		1994
1463	sub load_header_from($) {	1995	sub load_header_from($) {
1464	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1465		1997
1466	utf8::encode $path;	1998	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1472		2007
1473	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1474		2009
1475	1	2010	1
1476	}	2011	}
…		…
1528		2063
1529	sub find;	2064	sub find;
1530	sub find {	2065	sub find {
1531	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1532		2067
		2068	cf::cede_to_tick;
		2069
1533	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1534		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2074
1537	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1540	or return;	2077	or return;
1541		2078
1542	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1543		2080
…		…
1545	or return;	2082	or return;
1546		2083
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1550	$map->reset;	2089	$map->reset;
1551	undef $guard;
1552	return find $path;	2090	return find $path;
1553	}	2091	}
1554		2092
1555	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1556	}	2094	}
1557	}	2095	}
1558		2096
1559	sub pre_load { }	2097	sub pre_load { }
1560	sub post_load { }	2098	#sub post_load { } # XS
1561		2099
1562	sub load {	2100	sub load {
1563	my ($self) = @_;	2101	my ($self) = @_;
1564		2102
1565	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1566		2104
1567	my $path = $self->{path};	2105	my $path = $self->{path};
1568		2106
1569	{	2107	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1571		2109
		2110	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2112
1574	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1575		2114
1576	$self->alloc;	2115	$self->alloc;
1577		2116
1578	$self->pre_load;	2117	$self->pre_load;
1579	Coro::cede;	2118	cf::cede_to_tick;
1580		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1582	or return;	2123	or return;
1583		2124
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1585	if delete $self->{load_original};	2126	if delete $self->{load_original};
1586		2127
1587	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2129	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2132	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1592	}	2136	}
1593	}	2137	}
1594		2138
1595	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1596	# now do the right thing for maps	2142	# now do the right thing for maps
1597	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2145	unless $self->difficulty;
1600	Coro::cede;	2146	cf::cede_to_tick;
1601		2147
1602	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2149	$self->decay_objects;
1604	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1605	$self->update_buttons;	2151	$self->update_buttons;
1606	Coro::cede;	2152	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2153	$self->activate;
1610	}	2154	}
1611		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2160	}
1614		2161
1615	$self->post_load;	2162	$self->post_load;
1616	}	2163	}
1617		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2168	sub customise_for {
1619	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1620		2170
1621	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2172	if $self->per_player;
…		…
1626		2176
1627	$self	2177	$self
1628	}	2178	}
1629		2179
1630	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2181	sub load_neighbours {
1632	my ($map) = @_;	2182	my ($map) = @_;
1633		2183
1634	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1635		2185
1636	for (0 .. 3) {	2186	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1638	or next;	2188	or next;
1639	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1640	or next;	2190	or next;
1641	$neigh->load;	2191	$neigh->load;
1642		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2197	}
1646		2198
1647	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1649	or next;	2202	or next;
1650	$neigh->load;	2203	$neigh->load;
1651	}	2204	}
1652	}	2205	}
1653		2206
1654	sub find_sync {	2207	sub find_sync {
1655	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1656		2209
1657	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1658	}	2214	}
1659		2215
1660	sub do_load_sync {	2216	sub do_load_sync {
1661	my ($map) = @_;	2217	my ($map) = @_;
1662		2218
1663	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1664	}	2223	}
1665		2224
1666	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1668		2227
1669	sub find_async {	2228	sub find_async {
1670	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1671		2230
1672	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1673		2232
1674	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2235	}
1677		2236
1678	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1679	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1680	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2244	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2245	$map->load if $v;
		2246	}
1685		2247
1686	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1687	}	2249	}
1688	}	2250	}
1689	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1690	};	2252	};
1691	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1692		2254
1693	()	2255	()
1694	}	2256	}
1695		2257
		2258	# common code, used by both ->save and ->swapout
1696	sub save {	2259	sub _save {
1697	my ($self) = @_;	2260	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2261
1701	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1702		2263
1703	return unless $self->dirty;	2264	return unless $self->dirty;
1704		2265
…		…
1710	return if $self->{deny_save};	2271	return if $self->{deny_save};
1711		2272
1712	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1713		2274
1714	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1716	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1717		2281
1718	if ($uniq) {	2282	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2285	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2287	}
1724	}	2288	}
1725		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1726	sub swap_out {	2298	sub swap_out {
1727	my ($self) = @_;	2299	my ($self) = @_;
1728		2300
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1734	return if $self->players;	2305	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1738	$self->clear;	2316	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2317	}
1741		2318
1742	sub reset_at {	2319	sub reset_at {
1743	my ($self) = @_;	2320	my ($self) = @_;
1744		2321
…		…
1762		2339
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2341
1765	return if $self->players;	2342	return if $self->players;
1766		2343
1767	warn "resetting map ", $self->path;	2344	cf::trace "resetting map ", $self->path, "\n";
1768		2345
1769	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1770		2347
1771	# need to save uniques path	2348	# need to save uniques path
1772	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2353	if $uniq;
1777	}	2354	}
1778		2355
1779	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1780		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2360	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2361
1785	$self->unlink_save;	2362	$self->unlink_save;
1786	$self->destroy;	2363	$self->destroy;
1787	}	2364	}
1788		2365
1789	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1790		2367
1791	sub nuke {	2368	sub nuke {
1792	my ($self) = @_;	2369	my ($self) = @_;
1793		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1794	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1795		2375
1796	$self->unlink_save;	2376	$self->unlink_save;
1797		2377
1798	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2383
1804	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1805		2386
1806	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
1807	}	2388	}
1808		2389
1809	=item $maps = cf::map::tmp_maps	2390	=item $maps = cf::map::tmp_maps
…		…
1851		2432
1852	sub unique_maps() {	2433	sub unique_maps() {
1853	[	2434	[
1854	map {	2435	map {
1855	utf8::decode $_;	2436	utf8::decode $_;
1856	/\.map$/	2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
1857	? normalise $_	2440	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2441	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2442	]
1861	}	2443	}
1862		2444
1863	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1864		2476
1865	=back	2477	=back
1866		2478
1867	=head3 cf::object	2479	=head3 cf::object
1868		2480
…		…
1872		2484
1873	=over 4	2485	=over 4
1874		2486
1875	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1876		2488
1877	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1878		2491
1879	=cut	2492	=cut
1880		2493
1881	sub inv_recursive_;	2494	sub inv_recursive_;
1882	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1885		2498
1886	sub inv_recursive {	2499	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1888	}	2501	}
1889		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1890	package cf;	2531	package cf;
1891		2532
1892	=back	2533	=back
1893		2534
1894	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1903		2544
1904	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1905		2560
1906	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2562	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1911		2566
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2568
1914	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1916	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1919	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1920	}	2594	}
1921		2595
1922	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1923		2597
1924	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1937		2611
1938	=item $player_object->enter_link	2612	=item $player_object->enter_link
1939		2613
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2615
1942	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1944		2620
1945	Will never block.	2621	Will never block.
1946		2622
1947	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1948		2624
…		…
1968	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2645	my ($self) = @_;
1970		2646
1971	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1972		2648
		2649	++$self->{_link_recursion};
		2650
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2652
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
1977		2655
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2657	}
1980		2658
1981	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
1983		2661
…		…
2000	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
2002		2680
2003	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
2006		2684
2007	$map->load;	2685	$map->load;
2008	$map->load_diag;	2686	$map->load_neighbours;
2009		2687
2010	return unless $self->contr->active;	2688	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2689
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
2015	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
2016		2697
		2698	}
		2699
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2701
2019	Moves the player to the given map-path and coordinates by first freezing	2702	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2704	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
2023		2710
2024	=cut	2711	=cut
2025		2712
2026	our $GOTOGEN;	2713	our $GOTOGEN;
2027		2714
2028	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
2030		2723
2031	# do generation counting so two concurrent goto's will be executed in-order	2724	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2726
2034	$self->enter_link;	2727	$self->enter_link;
2035		2728
2036	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
2037	my $map = eval {	2751	my $map = eval {
2038	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
2039		2753
2040	if ($map) {	2754	if ($map) {
2041	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2757	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2759	}
2046		2760
2047	$map	2761	$map
2048	};	2762	};
2049		2763
…		…
2054		2768
2055	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
2058	}	2772	}
		2773
		2774	$done->($self) if $done;
2059	})->prio (1);	2775	})->prio (1);
2060	}	2776	}
2061		2777
2062	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
2063		2779
…		…
2083	}	2799	}
2084		2800
2085	sub prepare_random_map {	2801	sub prepare_random_map {
2086	my ($exit) = @_;	2802	my ($exit) = @_;
2087		2803
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2806	# that depends on the exit object
2093		2807
2094	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2810	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2101	}	2817	}
2102		2818
2103	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2104		2820
2105	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2108		2824
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2827	undef $fh;
2112	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2113		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2116	}	2836	}
2117	}	2837	}
2118		2838
2119	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2121		2841
2122	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2123		2843
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2844	$self->enter_link;
2136		2845
2137	(async {	2846	(async {
2138	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2139	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2140	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2141		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2142	1;	2870	1
2143	}) {	2871	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2876
2149	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2878	$self->leave_link;
2151	}	2879	}
2152	})->prio (1);	2880	})->prio (1);
2153	}	2881	}
2154		2882
…		…
2168		2896
2169	utf8::encode $text;	2897	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2899	}
2172		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2173	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2174		3089
2175	Sends an exti event to the client.	3090	Sends an ext event to the client.
2176		3091
2177	=cut	3092	=cut
2178		3093
2179	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2181		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2184	}	3121	}
2185		3122
2186	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2187		3124
2188	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3128
2192	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3130	become reliable at some point in the future.
2194		3131
2195	=cut	3132	=cut
2196		3133
2197	sub cf::client::query {	3134	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3143	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3145
2209	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2211	}	3150	}
2212		3151
2213	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2214	on_reply => sub {	3158	on_reply => sub {
2215	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2216		3160
2217	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2218	# get handled first	3162	# get handled first
…		…
2230	} else {	3174	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3176	}
2233	}	3177	}
2234	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2235	);	3205	);
2236		3206
2237	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2238		3208
2239	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3225
2256	$coro	3226	$coro
2257	}	3227	}
2258		3228
2259	cf::client->attach (	3229	cf::client->attach (
2260	on_destroy => sub {	3230	on_client_destroy => sub {
2261	my ($ns) = @_;	3231	my ($ns) = @_;
2262		3232
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3234	},
2265	);	3235	);
…		…
2280	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2282		3252
2283	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2284		3254
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2286		3260
2287	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2288		3262
2289	=pod	3263	=pod
2290		3264
2291	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2292		3266
2293	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2294	cf::object::player player	3272	cf::object::player
2295	cf::player peaceful	3273	player
2296	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2297		3280
2298	=cut	3281	=cut
2299		3282
2300	for (	3283	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2305	) {	3290	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3293	for @funs;
2310	}	3294	}
2311		3295
…		…
2326		3310
2327	my $qcode = $code;	3311	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2330		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2331	local $_;	3318	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3319
2334	my $eval =	3320	my $eval =
2335	"do {\n"	3321	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3324	. $code
2339	. "\n}"	3325	. "\n}"
2340	;	3326	;
2341		3327
		3328	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2345		3337
2346	if ($@) {	3338	if ($@) {
2347	warn "$@";	3339	warn "$@",
2348	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2350	}	3342	}
2351		3343
2352	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2353	}	3345	}
2354		3346
…		…
2368	=cut	3360	=cut
2369		3361
2370	sub register_script_function {	3362	sub register_script_function {
2371	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2372		3364
2373	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2375	}	3367	}
2376		3368
2377	=back	3369	=back
2378		3370
2379	=cut	3371	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3372
2553	#############################################################################	3373	#############################################################################
2554	# the server's init and main functions	3374	# the server's init and main functions
2555		3375
2556	sub load_facedata($) {	3376	sub load_facedata($) {
2557	my ($path) = @_;	3377	my ($path) = @_;
2558		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2559	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2560		3386
2561	my $facedata;
2562	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2563	or die "$path: $!";	3388	or die "$path: $!";
2564		3389
2565	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2566		3391
2567	$facedata->{version} == 2	3392	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2570	{	3404	{
2571	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2572		3406
2573	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3414
		3415	cf::cede_to_tick;
2579	}	3416	}
2580		3417
2581	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2583	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2584	or next;	3422	or next;
		3423
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3427	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3429	}
2590	Coro::cede;	3430
		3431	cf::cede_to_tick;
2591	}	3432	}
2592	}	3433	}
2593		3434
2594	{	3435	{
2595	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2596		3437
2597	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3440	cf::cede_to_tick;
2600	}	3441	}
2601		3442
2602	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2603	}	3444	}
2604		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2605	1	3465	1
2606	}	3466	}
2607		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2608	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2609	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
2611	}	3498	}
2612		3499
2613	sub reload_facedata {	3500	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3501	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3510	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2626	}	3513	}
2627		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2628	sub reload_resources {	3538	sub reload_resources {
2629	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2630		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2631	reload_regions;	3546	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3547	reload_treasures;
2636		3548
2637	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2638	}	3550	}
2639		3551
2640	sub init {	3552	sub reload_config {
2641	reload_resources;	3553	trace "reloading config file...\n";
2642	}
2643		3554
2644	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2646	or return;
2647		3557
2648	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2649	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2650		3562
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3564
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3567
2656	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2660	};	3572	};
2661	warn $@ if $@;	3573	warn $@ if $@;
2662	}	3574	}
2663	}	3575	}
2664		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2665	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2666	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3618	(async {
2670	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2672	};	3622	};
2673		3623
2674	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2675	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2676	load_extensions;	3647	load_extensions;
2677		3648
2678	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2680	}	3667	}
2681		3668
2682	#############################################################################	3669	#############################################################################
2683	# initialisation and cleanup	3670	# initialisation and cleanup
2684		3671
2685	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2686	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2695	},
2696	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2697	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2698	}	3768	}
2699		3769
2700	sub emergency_save() {	3770	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2702		3772
2703	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2704		3779
2705	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2706	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3791	$pl->save;
2714	}	3792	}
2715	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2716		3794
2717	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3800	$map->valid or next;
2721	$map->save;	3801	$map->save;
2722	}	3802	}
2723	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2724		3804
2725	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3833	};
2729		3834
2730	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2731	}	3836	}
2732		3837
2733	sub post_cleanup {	3838	sub post_cleanup {
2734	my ($make_core) = @_;	3839	my ($make_core) = @_;
2735		3840
		3841	IO::AIO::flush;
		3842
2736	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2738	}	3873	}
2739		3874
2740	sub do_reload_perl() {	3875	sub do_reload_perl() {
2741	# can/must only be called in main	3876	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2743	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2744	return;	3879	return;
2745	}	3880	}
2746		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2747	warn "reloading...";	3888	info "reloading...";
2748		3889
2749	warn "entering sync_job";	3890	trace "entering sync_job";
2750		3891
2751	cf::sync_job {	3892	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3893	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3894
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3897	%EXT_CORO = ();
2780		3898
2781	warn "removing commands";	3899	trace "removing commands";
2782	%COMMAND = ();	3900	%COMMAND = ();
2783		3901
2784	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2785	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2786		3905
2787	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2790		3909
2791	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3911	eval {
2793	$cb->($pkg);	3912	$cb->($pkg);
2794	1	3913	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2796	}	3919	}
2797		3920
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3924
2806	warn "... unloading $k";	3925	trace "... unloading $k";
2807	delete $INC{$k};	3926	delete $INC{$k};
2808		3927
2809	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2811		3930
2812	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2814	}	3936	}
2815		3937
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3941
2823	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3945
2827	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3947	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2830		3949
2831	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2832		3951
2833	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2834	require cf;	3953	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2836		3955
2837	warn "loading config and database again";	3956	trace "loading config and database again";
2838	cf::cfg_load;	3957	cf::reload_config;
2839		3958
2840	warn "loading extensions";	3959	trace "loading extensions";
2841	cf::load_extensions;	3960	cf::load_extensions;
2842		3961
		3962	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2849		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
2850	warn "leaving sync_job";	3974	trace "leaving sync_job";
2851		3975
2852	1	3976	1
2853	} or do {	3977	} or do {
2854	warn $@;	3978	error $@;
2855	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2856	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
2857	};	3984	}
2858		3985
2859	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
2860	};	3988	};
2861		3989
2862	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
2863		3991
2864	sub reload_perl() {	3992	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
2867		3995
2868	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3998
2871	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4000	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
2875	},	4002	};
2876	);	4003	};
2877	}	4004	}
2878		4005
2879	register_command "reload" => sub {	4006	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2881		4008
2882	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4013	reload_perl;
		4014	};
2885	}	4015	}
2886	};	4016	};
2887		4017
2888	unshift @INC, $LIBDIR;	4018	#############################################################################
2889		4019
2890	my $bug_warning = 0;	4020	my $bug_warning = 0;
2891		4021
2892	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2894		4024
2895	sub wait_for_tick {	4025	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4027
2899	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4030	$signal->wait;
2902	}	4031	}
2903		4032
2904	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4035
2908	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4038	$signal->wait;
2911	}	4039	}
2912		4040
2913	my $min = 1e6;#d#	4041	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2925	return;	4045	return;
2926	}	4046	}
2927		4047
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2931		4049
2932	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4051
2938	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4054	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4056	write_runtime_sync
2943		4057	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4058	};
		4059	}
2954		4060
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4062	$sig->send;
2971	}	4063	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4065	$sig->send;
2974	}	4066	}
2975		4067
2976	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4070
2987	_post_tick;	4071	if (0) {
2988		4072	if ($NEXT_TICK) {
2989		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
2990	},	4077	}
2991	);	4078	}
2992		4079
2993	{	4080	{
2994	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4082
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
3004		4084	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4086
3020	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4094
3023	cf::sync_job {	4095	cf::sync_job {
3024	eval {	4096	eval {
3025	BDB::db_env_open	4097	BDB::db_env_open
3026	$DB_ENV,	4098	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4102	0666;
3031		4103
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4105	};
3037		4106
3038	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4108	};
3040	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
3041	}	4120	}
3042		4121
3043	{	4122	{
		4123	# configure IO::AIO
		4124
3044	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4128	}
3057		4129
3058	my $_log_backtrace;	4130	my $_log_backtrace;
3059		4131
3060	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
3064		4136
3065	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
3068	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3069	my @bt = fork_call {	4144	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3081	}	4156	}
3082		4157
3083	@funcs	4158	@funcs
3084	};	4159	};
3085		4160
3086	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4164	--$_log_backtrace;
3089	};	4165	};
3090	} else {	4166	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4169	}
3094	}	4170	}
3095		4171
3096	# load additional modules	4172	# load additional modules
3097	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3098		4175
3099	END { cf::emergency_save }	4176	END { cf::emergency_save }
3100		4177
3101	1	4178	1
3102		4179

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines