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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.543 by root, Wed May 5 23:23:29 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 process
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	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
		312
		313	#############################################################################
211		314
212	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
213		316
214	=over 4	317	=over 4
215		318
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	338	$d
236	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
237	}	340	}
238		341
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
242		343
243	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
244		345
245	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
246		347
247	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
248		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
249	=item cf::lock_wait $string	371	=item cf::lock_wait $string
250		372
251	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
252		374
253	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
254		376
255	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
258	returned.	380	returned.
259		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
260	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
262		387
263	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
264		389
265	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
266		391
267	=cut	392	=cut
268		393
269	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
270		395
271	sub lock_wait($) {	396	sub lock_wait($) {
272	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	398	}
280		399
281	sub lock_acquire($) {	400	sub lock_acquire($) {
282	my ($key) = @_;	401	$LOCKS->guard ($_[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	}	402	}
294		403
295	sub lock_active($) {	404	sub lock_active($) {
296	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	406	}
300		407
301	sub freeze_mainloop {	408	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
303		410
304	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
306	};	478	}
307	$TICK_WATCHER->stop;	479	};
308	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
309	}	494	}
310		495
311	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
312		497
313	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		503
319	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
320		505
321	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
322		507
323	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
326		512
327	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
330	fast or be very important.	516	fast or be very important.
…		…
332	=cut	518	=cut
333		519
334	sub sync_job(&) {	520	sub sync_job(&) {
335	my ($job) = @_;	521	my ($job) = @_;
336		522
337	if ($Coro::current == $Coro::main) {	523	if (in_main) {
338	my $time = Event::time;	524	my $time = AE::time;
339		525
340	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
342		528
343	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	530
345	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
346		532
347	my $busy = 1;	533	my $busy = 1;
348	my @res;	534	my @res;
349		535
350	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	538	@res = eval { $job->() };
352	warn $@ if $@;	539	error $@ if $@;
353	undef $busy;	540	undef $busy;
354	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
355		542
356	while ($busy) {	543	while ($busy) {
357	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
358	}	548	}
		549	}
359		550
360	$time = Event::time - $time;	551	my $time = AE::time - $time;
361		552
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	553	$TICK_START += $time; # do not account sync jobs to server load
366		554
367	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
368	} else {	556	} else {
369	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
370		558
…		…
390	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
391		579
392	$coro	580	$coro
393	}	581	}
394		582
395	sub write_runtime {	583	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		584
398	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
400		589
401	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
402		591
403	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
404		594
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
406	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
407		598
408	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
410	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
411		603
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
413	and return;	605	}
414		606
415	# always fsync - this file is important	607	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
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	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
431	}	772	}
432		773
433	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
434		775
435	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
436		777
437	=cut	778	=cut
438		779
439	sub datalog($@) {	780	sub datalog($@) {
440	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	783	}
443		784
444	=back	785	=back
445		786
446	=cut	787	=cut
447		788
448	#############################################################################	789	#############################################################################
449		790
450	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
451		792
452	Many objects in crossfire are so-called attachable objects. That means you can	793	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")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
455		796
456	In the following description, CLASS can be any of C<global>, C<object>	797	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	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	799	Deliantra).
459		800
460	=over 4	801	=over 4
461		802
462	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
463		804
…		…
507	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
508		849
509	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
511		852
512	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
514		855
515	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
516		857
517	=over 4	858	=over 4
…		…
641		982
642	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		985
645	} elsif (ref $type) {	986	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
647		988
648	} else {	989	} else {
649	shift @arg;	990	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
651	}	992	}
652	}	993	}
653	}	994	}
654		995
655	sub _object_attach {	996	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
666	}	1007	}
667		1008
668	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
669	} else {	1010	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1012	}
672		1013
673	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
674	}	1015	}
675		1016
…		…
715	";	1056	";
716	die if $@;	1057	die if $@;
717	}	1058	}
718		1059
719	our $override;	1060	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1062
722	sub override {	1063	sub override {
723	$override = 1;	1064	$override = 1;
724	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
725	}	1066	}
726		1067
727	sub do_invoke {	1068	sub do_invoke {
728	my $event = shift;	1069	my $event = shift;
729	my $callbacks = shift;	1070	my $callbacks = shift;
730		1071
731	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
732		1073
733	local $override;	1074	local $override;
734		1075
735	for (@$callbacks) {	1076	for (@$callbacks) {
736	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
737		1078
738	if ($@) {	1079	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1081	override;
742	}	1082	}
743		1083
744	return 1 if $override;	1084	return 1 if $override;
745	}	1085	}
746		1086
747	0	1087	0
748	}	1088	}
749		1089
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1091
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1093
754	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
755		1095
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	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	1097	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1099
760	=back	1100	=back
761		1101
762	=cut	1102	=cut
763		1103
764	#############################################################################	1104	#############################################################################
765	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
766		1148
767	sub reattach {	1149	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1151	my ($obj) = @_;
770		1152
		1153	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1155
773	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
774		1157
775	@$registry = ();	1158	@$registry = ();
776		1159
…		…
781	for (@$attach) {	1164	for (@$attach) {
782	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
784	}	1167	}
785	} else {	1168	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1170	}
788	}	1171	}
789	}	1172	}
790		1173
791	cf::attachable->attach (	1174	cf::attachable->attach (
792	prio => -1000000,	1175	prio => -1000000,
793	on_instantiate => sub {	1176	on_instantiate => sub {
794	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
795		1178
796	$data = from_json $data;	1179	$data = decode_json $data;
797		1180
798	for (@$data) {	1181	for (@$data) {
799	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
800		1183
801	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1200	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
819		1202
820	sync_job {	1203	sync_job {
821	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
824		1209
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
829	close $fh;	1217	aio_close $fh;
830		1218
831	if (@$objs) {	1219	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
837	close $fh;	1228	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
839	}	1230	}
840	} else {	1231	} else {
841	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
842	}	1233	}
843		1234
844	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1239	} else {
846	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
847	}	1241	}
848	} else {	1242	} else {
849	aio_unlink $filename;	1243	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
851	}	1245	}
852	}	1246	};
853	}	1247	}
854		1248
855	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
857		1251
…		…
869	or return;	1263	or return;
870		1264
871	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
873	or return;	1267	or return;
		1268
874	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
875	}	1271	}
876		1272
		1273	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
879	return ($data, $av);	1278	($data, $av)
880	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
881		1286
882	#############################################################################	1287	#############################################################################
883	# command handling &c	1288	# command handling &c
884		1289
885	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1304	}
900		1305
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1307
903	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
904		1313
905	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
906	called.	1315	called.
907		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
908	=cut	1328	=cut
909		1329
910	sub register_extcmd {	1330	sub register_extcmd {
911	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
912		1332
913	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
914	}	1334	}
915		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
916	cf::player->attach (	1344	cf::player->attach (
917	on_command => sub {	1345	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
919		1347
920	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
921	or return;	1349	or return;
922		1350
…		…
927	cf::override;	1355	cf::override;
928	},	1356	},
929	on_extcmd => sub {	1357	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
931		1359
932	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1361
934	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
940	} else {	1377	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1379	}
943		1380
944	cf::override;	1381	cf::override;
945	},	1382	},
946	);	1383	);
947		1384
		1385	# "readahead" all extensions
948	sub load_extension {	1386	sub cache_extensions {
949	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
950		1388
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1392	}
976	die $@;
977	}	1393	};
978		1394
979	push @EXTS, $pkg;	1395	$grp
980	}	1396	}
981		1397
982	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
983	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1405	next unless -r $path;
985	eval {	1406
986	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
987	1	1470	}
988	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
989	}	1481	};
990	}	1482	}
991		1483
992	#############################################################################	1484	#############################################################################
993		1485
		1486	=back
		1487
994	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
995		1489
996	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
997		1491
998	=cut	1492	=cut
999		1493
1000	package cf::player;	1494	package cf::player;
1001		1495
1002	use Coro::AIO;	1496	use Coro::AIO;
1003		1497
1004	=head3 cf::player	1498	=head3 cf::player
1005		1499
1006	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1007		1515
1008	=item cf::player::find $login	1516	=item cf::player::find $login
1009		1517
1010	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1011		1519
…		…
1030		1538
1031	sub exists($) {	1539	sub exists($) {
1032	my ($login) = @_;	1540	my ($login) = @_;
1033		1541
1034	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1036	}	1544	}
1037		1545
1038	sub find($) {	1546	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1548	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1559
1052	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1055	}	1569	}
1056	}	1570	}
1057	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1058		1585
1059	sub save($) {	1586	sub save($) {
1060	my ($pl) = @_;	1587	my ($pl) = @_;
1061		1588
1062	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1068		1595
1069	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1071		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1072	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1073	Coro::cede;	1605	cf::cede_to_tick;
1074	}	1606	}
1075		1607
1076	sub new($) {	1608	sub new($) {
1077	my ($login) = @_;	1609	my ($login) = @_;
1078		1610
…		…
1084	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1085		1617
1086	$self	1618	$self
1087	}	1619	}
1088		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1089	=item $pl->quit_character	1631	=item $pl->quit_character
1090		1632
1091	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1093		1635
…		…
1097	my ($pl) = @_;	1639	my ($pl) = @_;
1098		1640
1099	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1100		1642
1101	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1645
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1108		1651
1109	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1689	or return [];
1147		1690
1148	my @logins;	1691	my @logins;
1149		1692
1150	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1154		1703
1155	utf8::decode $login;	1704	utf8::decode $login;
1156	push @logins, $login;	1705	push @logins, $login;
1157	}	1706	}
1158		1707
1159	\@logins	1708	\@logins
1160	}	1709	}
1161		1710
1162	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1163		1714
1164	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1165	player. May block.	1716	player. May block.
1166		1717
1167	=cut	1718	=cut
…		…
1185	}	1736	}
1186		1737
1187	\@paths	1738	\@paths
1188	}	1739	}
1189		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1190	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1191		1746
1192	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1193		1748
1194	=cut	1749	=cut
1195		1750
1196	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1198		1753
1199	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1755	}
1203		1756
1204	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1205		1758
1206	Sends an ext event to the client.	1759	Sends an ext event to the client.
1207		1760
1208	=cut	1761	=cut
1209		1762
1210	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1212		1765
1213	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1214	}	1767	}
1215		1768
1216	=head3 cf::region	1769	=head3 cf::region
1217		1770
1218	=over 4	1771	=over 4
…		…
1221		1774
1222	package cf::region;	1775	package cf::region;
1223		1776
1224	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1225		1778
1226	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1227		1780
1228	=cut	1781	=cut
1229		1782
1230	sub find_by_path($) {	1783	sub find_by_path($) {
1231	my ($path) = @_;	1784	my ($path) = @_;
1232		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1233	my ($match, $specificity);	1788	my ($match, $specificity);
1234		1789
1235	for my $region (list) {	1790	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1239	}	1794	}
1240	}	1795	}
1241		1796
…		…
1262	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1264		1819
1265	sub generate_random_map {	1820	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1267	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1826	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290		1848
1291	sub register {	1849	sub register {
1292	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1851	my $pkg = caller;
1294		1852
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1854
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1856	}
1300		1857
1301	# also paths starting with '/'	1858	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1860
1304	sub thawer_merge {	1861	sub thawer_merge {
1305	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1306		1863
1307	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1312	}	1869	}
1313		1870
1314	sub normalise {	1871	sub normalise {
1315	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1316		1873
1317	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1318		1875
1319	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1320		1877
1321	# map plan:	1878	# map plan:
1322	#	1879	#
…		…
1361	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1362	return $self;	1919	return $self;
1363	}	1920	}
1364	}	1921	}
1365		1922
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	1924	()
1368	}	1925	}
1369		1926
1370	sub init {	1927	sub init {
1371	my ($self) = @_;	1928	my ($self) = @_;
…		…
1393		1950
1394	# the temporary/swap location	1951	# the temporary/swap location
1395	sub save_path {	1952	sub save_path {
1396	my ($self) = @_;	1953	my ($self) = @_;
1397		1954
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1400	}	1957	}
1401		1958
1402	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1403	sub uniq_path {	1960	sub uniq_path {
1404	my ($self) = @_;	1961	my ($self) = @_;
1405		1962
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1965	}
1418		1966
1419	sub decay_objects {	1967	sub decay_objects {
1420	my ($self) = @_;	1968	my ($self) = @_;
1421		1969
…		…
1434		1982
1435	sub load_header_from($) {	1983	sub load_header_from($) {
1436	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1437		1985
1438	utf8::encode $path;	1986	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1444		1995
1445	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1446		1997
1447	1	1998	1
1448	}	1999	}
…		…
1500		2051
1501	sub find;	2052	sub find;
1502	sub find {	2053	sub find {
1503	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1504		2055
		2056	cf::cede_to_tick;
		2057
1505	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1506		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2062
1509	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1512	or return;	2065	or return;
1513		2066
1514	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1515		2068
…		…
1517	or return;	2070	or return;
1518		2071
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1522	$map->reset;	2077	$map->reset;
1523	undef $guard;
1524	return find $path;	2078	return find $path;
1525	}	2079	}
1526		2080
1527	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1528	}	2082	}
1529	}	2083	}
1530		2084
1531	sub pre_load { }	2085	sub pre_load { }
1532	sub post_load { }	2086	#sub post_load { } # XS
1533		2087
1534	sub load {	2088	sub load {
1535	my ($self) = @_;	2089	my ($self) = @_;
1536		2090
1537	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1538		2092
1539	my $path = $self->{path};	2093	my $path = $self->{path};
1540		2094
1541	{	2095	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1543		2097
		2098	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2100
1546	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1547		2102
1548	$self->alloc;	2103	$self->alloc;
1549		2104
1550	$self->pre_load;	2105	$self->pre_load;
1551	Coro::cede;	2106	cf::cede_to_tick;
1552		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1554	or return;	2111	or return;
1555		2112
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1557	if delete $self->{load_original};	2114	if delete $self->{load_original};
1558		2115
1559	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2117	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2120	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1564	}	2124	}
1565	}	2125	}
1566		2126
1567	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1568	# now do the right thing for maps	2130	# now do the right thing for maps
1569	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2133	unless $self->difficulty;
1572	Coro::cede;	2134	cf::cede_to_tick;
1573		2135
1574	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2137	$self->decay_objects;
1576	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1577	$self->update_buttons;	2139	$self->update_buttons;
1578	Coro::cede;	2140	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2141	$self->activate;
1582	}	2142	}
1583		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2148	}
1586		2149
1587	$self->post_load;	2150	$self->post_load;
1588	}	2151	}
1589		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2156	sub customise_for {
1591	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1592		2158
1593	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2160	if $self->per_player;
…		…
1598		2164
1599	$self	2165	$self
1600	}	2166	}
1601		2167
1602	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2169	sub load_neighbours {
1604	my ($map) = @_;	2170	my ($map) = @_;
1605		2171
1606	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1607		2173
1608	for (0 .. 3) {	2174	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1610	or next;	2176	or next;
1611	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1612	or next;	2178	or next;
1613	$neigh->load;	2179	$neigh->load;
1614		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2185	}
1618		2186
1619	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1621	or next;	2190	or next;
1622	$neigh->load;	2191	$neigh->load;
1623	}	2192	}
1624	}	2193	}
1625		2194
1626	sub find_sync {	2195	sub find_sync {
1627	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1628		2197
1629	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1630	}	2202	}
1631		2203
1632	sub do_load_sync {	2204	sub do_load_sync {
1633	my ($map) = @_;	2205	my ($map) = @_;
1634		2206
1635	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1636	}	2211	}
1637		2212
1638	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1640		2215
1641	sub find_async {	2216	sub find_async {
1642	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1643		2218
1644	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1645		2220
1646	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2223	}
1649		2224
1650	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1651	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1652	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2232	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2233	$map->load if $v;
		2234	}
1657		2235
1658	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1659	}	2237	}
1660	}	2238	}
1661	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1662	};	2240	};
1663	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1664		2242
1665	()	2243	()
1666	}	2244	}
1667		2245
		2246	# common code, used by both ->save and ->swapout
1668	sub save {	2247	sub _save {
1669	my ($self) = @_;	2248	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2249
1673	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1674		2251
1675	return unless $self->dirty;	2252	return unless $self->dirty;
1676		2253
…		…
1682	return if $self->{deny_save};	2259	return if $self->{deny_save};
1683		2260
1684	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1685		2262
1686	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1688	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1689		2269
1690	if ($uniq) {	2270	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2273	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2275	}
1696	}	2276	}
1697		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1698	sub swap_out {	2286	sub swap_out {
1699	my ($self) = @_;	2287	my ($self) = @_;
1700		2288
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1706	return if $self->players;	2293	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1710	$self->clear;	2304	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2305	}
1713		2306
1714	sub reset_at {	2307	sub reset_at {
1715	my ($self) = @_;	2308	my ($self) = @_;
1716		2309
…		…
1734		2327
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2329
1737	return if $self->players;	2330	return if $self->players;
1738		2331
1739	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1740		2333
1741	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1742		2335
1743	# need to save uniques path	2336	# need to save uniques path
1744	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2341	if $uniq;
1749	}	2342	}
1750		2343
1751	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1752		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2348	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2349
1757	$self->unlink_save;	2350	$self->unlink_save;
1758	$self->destroy;	2351	$self->destroy;
1759	}	2352	}
1760		2353
1761	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1762		2355
1763	sub nuke {	2356	sub nuke {
1764	my ($self) = @_;	2357	my ($self) = @_;
1765		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1766	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1767		2363
1768	$self->unlink_save;	2364	$self->unlink_save;
1769		2365
1770	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2371
1776	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1777		2374
1778	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
1779	}	2376	}
1780		2377
1781	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
1782		2379
1783	Returns an arrayref with all map paths of currently instantiated and saved	2380	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2381	maps. May block.
1785		2382
1786	=cut	2383	=cut
1787		2384
1788	sub tmp_maps() {	2385	sub tmp_maps() {
1789	[	2386	[
1790	map {	2387	map {
1791	utf8::decode $_;	2388	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2389	/\.map$/
1793	? normalise $_	2390	? normalise $_
1794	: ()	2391	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2392	} @{ aio_readdir $TMPDIR or [] }
1796	]	2393	]
1797	}	2394	}
1798		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
		2412	}
		2413
1799	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1800		2415
1801	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2417	instantiated unique items. May block.
1803		2418
…		…
1805		2420
1806	sub unique_maps() {	2421	sub unique_maps() {
1807	[	2422	[
1808	map {	2423	map {
1809	utf8::decode $_;	2424	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
1811	? normalise $_	2428	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2430	]
1815	}	2431	}
1816		2432
1817	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1818		2464
1819	=back	2465	=back
1820		2466
1821	=head3 cf::object	2467	=head3 cf::object
1822		2468
…		…
1826		2472
1827	=over 4	2473	=over 4
1828		2474
1829	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1830		2476
1831	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1832		2479
1833	=cut	2480	=cut
1834		2481
1835	sub inv_recursive_;	2482	sub inv_recursive_;
1836	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1839		2486
1840	sub inv_recursive {	2487	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1842	}	2489	}
1843		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1844	package cf;	2519	package cf;
1845		2520
1846	=back	2521	=back
1847		2522
1848	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1857		2532
1858	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1859		2548
1860	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2550	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1865		2554
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2556
1868	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1870	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1873	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1874	}	2582	}
1875		2583
1876	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1877		2585
1878	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1891		2599
1892	=item $player_object->enter_link	2600	=item $player_object->enter_link
1893		2601
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2603
1896	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1898		2608
1899	Will never block.	2609	Will never block.
1900		2610
1901	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1902		2612
…		…
1922	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1923	my ($self) = @_;	2633	my ($self) = @_;
1924		2634
1925	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1926		2636
		2637	++$self->{_link_recursion};
		2638
1927	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1928		2640
1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1930	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
1931		2643
1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1933	}	2645	}
1934		2646
1935	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1936	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
1937		2649
…		…
1954	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1955	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1956		2668
1957	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1960		2672
1961	$map->load;	2673	$map->load;
1962	$map->load_diag;	2674	$map->load_neighbours;
1963		2675
1964	return unless $self->contr->active;	2676	return unless $self->contr->active;
1965	$self->activate_recursive;
1966		2677
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1969	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
1970		2685
		2686	}
		2687
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1972		2689
1973	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
1977		2698
1978	=cut	2699	=cut
1979		2700
1980	our $GOTOGEN;	2701	our $GOTOGEN;
1981		2702
1982	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
1984		2711
1985	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2714
1988	$self->enter_link;	2715	$self->enter_link;
1989		2716
1990	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1991	my $map = eval {	2739	my $map = eval {
1992	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
1993		2741
1994	if ($map) {	2742	if ($map) {
1995	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
1997	} else {	2745	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2747	}
2000		2748
2001	$map	2749	$map
2002	};	2750	};
2003		2751
…		…
2008		2756
2009	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2012	}	2760	}
		2761
		2762	$done->($self) if $done;
2013	})->prio (1);	2763	})->prio (1);
2014	}	2764	}
2015		2765
2016	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2017		2767
…		…
2037	}	2787	}
2038		2788
2039	sub prepare_random_map {	2789	sub prepare_random_map {
2040	my ($exit) = @_;	2790	my ($exit) = @_;
2041		2791
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2794	# that depends on the exit object
2047		2795
2048	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2798	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2055	}	2805	}
2056		2806
2057	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2058		2808
2059	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2062		2812
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2815	undef $fh;
2066	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2067		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2070	}	2824	}
2071	}	2825	}
2072		2826
2073	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2075		2829
2076	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2077		2831
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2832	$self->enter_link;
2090		2833
2091	(async {	2834	(async {
2092	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2093	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2094	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2095		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2096	1;	2858	1
2097	}) {	2859	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2102		2864
2103	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2104	$self->leave_link;	2866	$self->leave_link;
2105	}	2867	}
2106	})->prio (1);	2868	})->prio (1);
2107	}	2869	}
2108		2870
…		…
2122		2884
2123	utf8::encode $text;	2885	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2887	}
2126		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2127	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2128		3077
2129	Sends an exti event to the client.	3078	Sends an ext event to the client.
2130		3079
2131	=cut	3080	=cut
2132		3081
2133	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2135		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2138	}	3109	}
2139		3110
2140	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2141		3112
2142	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		3116
2146	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	3118	become reliable at some point in the future.
2148		3119
2149	=cut	3120	=cut
2150		3121
2151	sub cf::client::query {	3122	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	3131	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		3133
2163	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2165	}	3138	}
2166		3139
2167	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2168	on_reply => sub {	3146	on_reply => sub {
2169	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2170		3148
2171	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2172	# get handled first	3150	# get handled first
…		…
2184	} else {	3162	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3164	}
2187	}	3165	}
2188	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2189	);	3193	);
2190		3194
2191	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2192		3196
2193	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2209		3213
2210	$coro	3214	$coro
2211	}	3215	}
2212		3216
2213	cf::client->attach (	3217	cf::client->attach (
2214	on_destroy => sub {	3218	on_client_destroy => sub {
2215	my ($ns) = @_;	3219	my ($ns) = @_;
2216		3220
2217	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2218	},	3222	},
2219	);	3223	);
…		…
2234	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2236		3240
2237	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2238		3242
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2240		3248
2241	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2242		3250
2243	=pod	3251	=pod
2244		3252
2245	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2246		3254
2247	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2248	cf::object::player player	3260	cf::object::player
2249	cf::player peaceful	3261	player
2250	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2251		3268
2252	=cut	3269	=cut
2253		3270
2254	for (	3271	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2256	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2258	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2259	) {	3278	) {
2260	no strict 'refs';
2261	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2262	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2263	for @funs;	3281	for @funs;
2264	}	3282	}
2265		3283
…		…
2280		3298
2281	my $qcode = $code;	3299	my $qcode = $code;
2282	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2283	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2284		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2285	local $_;	3306	local $_;
2286	local @safe::cf::_safe_eval_args = values %vars;
2287		3307
2288	my $eval =	3308	my $eval =
2289	"do {\n"	3309	"do {\n"
2290	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2291	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2292	. $code	3312	. $code
2293	. "\n}"	3313	. "\n}"
2294	;	3314	;
2295		3315
		3316	if ($CFG{safe_eval}) {
2296	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2297	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2298	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2299		3325
2300	if ($@) {	3326	if ($@) {
2301	warn "$@";	3327	warn "$@",
2302	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2303	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2304	}	3330	}
2305		3331
2306	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2307	}	3333	}
2308		3334
…		…
2322	=cut	3348	=cut
2323		3349
2324	sub register_script_function {	3350	sub register_script_function {
2325	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2326		3352
2327	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2328	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2329	}	3355	}
2330		3356
2331	=back	3357	=back
2332		3358
2333	=cut	3359	=cut
2334
2335	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506		3360
2507	#############################################################################	3361	#############################################################################
2508	# the server's init and main functions	3362	# the server's init and main functions
2509		3363
2510	sub load_facedata($) {	3364	sub load_facedata($) {
2511	my ($path) = @_;	3365	my ($path) = @_;
2512		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2513	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2514		3374
2515	my $facedata;	3375	my $facedata;
2516	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2517	or die "$path: $!";	3377	or die "$path: $!";
2518		3378
2519	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2520		3380
2521	$facedata->{version} == 2	3381	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2524	{	3393	{
2525	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2526		3395
2527	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2532	Coro::cede;	3403
		3404	cf::cede_to_tick;
2533	}	3405	}
2534		3406
2535	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2537	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2538	or next;	3411	or next;
		3412
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3416	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3418	}
2544	Coro::cede;	3419
		3420	cf::cede_to_tick;
2545	}	3421	}
2546	}	3422	}
2547		3423
2548	{	3424	{
2549	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2550		3426
2551	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3429	cf::cede_to_tick;
2554	}	3430	}
2555		3431
2556	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2557	}	3433	}
2558		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2559	1	3454	1
2560	}	3455	}
2561		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2562	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2563	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2565	}	3487	}
2566		3488
2567	sub reload_facedata {	3489	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2577	sub reload_treasures {	3499	sub reload_treasures {
2578	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2579	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2580	}	3502	}
2581		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2582	sub reload_resources {	3527	sub reload_resources {
2583	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2584		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2585	reload_regions;	3533	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3534	reload_treasures;
2590		3535
2591	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2592	}	3537	}
2593		3538
2594	sub init {	3539	sub reload_config {
2595	reload_resources;	3540	trace "reloading config file...\n";
2596	}
2597		3541
2598	sub cfg_load {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3543	or return;
2601		3544
2602	local $/;	3545	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2604		3547
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2606		3549
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2609		3552
2610	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2612	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2613	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2614	};	3557	};
2615	warn $@ if $@;	3558	warn $@ if $@;
2616	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2617	}	3590	}
2618		3591
2619	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2620	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3605	(async {
2624	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2626	};	3609	};
2627		3610
2628	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::incloader::init ();
		3615
		3616	cf::init_experience;
		3617	cf::init_anim;
		3618	cf::init_attackmess;
		3619	cf::init_dynamic;
		3620
		3621	cf::load_settings;
		3622	cf::load_materials;
		3623
		3624	reload_resources;
		3625	reload_config;
2629	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2630	load_extensions;	3636	load_extensions;
2631		3637
2632	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2633	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2634	}	3656	}
2635		3657
2636	#############################################################################	3658	#############################################################################
2637	# initialisation and cleanup	3659	# initialisation and cleanup
2638		3660
2639	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2640	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2649	},
2650	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2651	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2652	}	3757	}
2653		3758
2654	sub emergency_save() {	3759	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2656		3761
2657	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2658		3768
2659	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2660	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2661	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2662	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2664	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3780	$pl->save;
2668	}	3781	}
2669	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2670		3783
2671	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2672	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2673	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2674	$map->valid or next;	3789	$map->valid or next;
2675	$map->save;	3790	$map->save;
2676	}	3791	}
2677	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2678		3793
2679	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2682	};	3822	};
2683		3823
2684	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2685	}	3825	}
2686		3826
2687	sub post_cleanup {	3827	sub post_cleanup {
2688	my ($make_core) = @_;	3828	my ($make_core) = @_;
2689		3829
		3830	IO::AIO::flush;
		3831
2690	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2692	}	3862	}
2693		3863
2694	sub do_reload_perl() {	3864	sub do_reload_perl() {
2695	# can/must only be called in main	3865	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2697	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2698	return;	3868	return;
2699	}	3869	}
2700		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2701	warn "reloading...";	3877	info "reloading...";
2702		3878
2703	warn "entering sync_job";	3879	trace "entering sync_job";
2704		3880
2705	cf::sync_job {	3881	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark
2707	cf::emergency_save;	3882	#cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark
2709		3883
2710	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;
2712
2713	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();	3886	%EXT_CORO = ();
2734		3887
2735	warn "removing commands";	3888	trace "removing commands";
2736	%COMMAND = ();	3889	%COMMAND = ();
2737		3890
2738	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2739	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2740		3894
2741	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2744		3898
2745	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2746	eval {	3900	eval {
2747	$cb->($pkg);	3901	$cb->($pkg);
2748	1	3902	1
2749	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2750	}	3908	}
2751		3909
2752	warn "... nuking $pkg";
2753	Symbol::delete_package $pkg;
2754	}
2755
2756	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2757	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		3913
2760	warn "... unloading $k";	3914	trace "... unloading $k";
2761	delete $INC{$k};	3915	delete $INC{$k};
2762		3916
2763	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2765		3919
2766	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2767	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2768	}	3925	}
2769		3926
2770	Symbol::delete_package $k;
2771	}
2772
2773	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		3930
2777	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780		3934
2781	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2782	# and global variables created in xs	3936	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2784		3938
2785	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2786		3940
2787	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2788	require cf;	3942	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2790		3944
2791	warn "loading config and database again";	3945	trace "loading config and database again";
2792	cf::cfg_load;	3946	cf::reload_config;
2793		3947
2794	warn "loading extensions";	3948	trace "loading extensions";
2795	cf::load_extensions;	3949	cf::load_extensions;
2796		3950
		3951	if ($REATTACH_ON_RELOAD) {
2797	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2800	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2803		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2804	warn "leaving sync_job";	3963	trace "leaving sync_job";
2805		3964
2806	1	3965	1
2807	} or do {	3966	} or do {
2808	warn $@;	3967	error $@;
2809	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2810	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
2811	};	3973	}
2812		3974
2813	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
2814	};	3977	};
2815		3978
2816	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
2817		3980
2818	sub reload_perl() {	3981	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
2821		3984
2822	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
2823	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
2824	after => 0,	3987
2825	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2826	cb => sub {
2827	do_reload_perl;	3989	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
2829	},	3991	};
2830	);	3992	};
2831	}	3993	}
2832		3994
2833	register_command "reload" => sub {	3995	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2835		3997
2836	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	4002	reload_perl;
		4003	};
2839	}	4004	}
2840	};	4005	};
2841		4006
2842	unshift @INC, $LIBDIR;	4007	#############################################################################
2843		4008
2844	my $bug_warning = 0;	4009	my $bug_warning = 0;
2845		4010
2846	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
2848		4013
2849	sub wait_for_tick {	4014	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2852		4016
2853	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	4019	$signal->wait;
2856	}	4020	}
2857		4021
2858	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2861		4024
2862	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	4027	$signal->wait;
2865	}	4028	}
2866		4029
2867	my $min = 1e6;#d#	4030	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2879	return;	4034	return;
2880	}	4035	}
2881		4036
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2885		4038
2886	0 && sync_job {#d#	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2887	for(1..10) {
2888	my $t = Event::time;
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2890	or die;
2891		4040
2892	$map->width (50);	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$map->height (50);	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2894	$map->alloc;	4043	Coro::async_pool {
2895	$map->_load_objects ("/tmp/x.map", 1);	4044	$Coro::current->{desc} = "runtime saver";
2896	my $t = Event::time - $t;	4045	write_runtime_sync
2897		4046	or error "ERROR: unable to write runtime file: $!";
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	4047	};
		4048	}
2908		4049
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	4051	$sig->send;
2925	}	4052	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	4054	$sig->send;
2928	}	4055	}
2929		4056
2930	$NOW = Event::time;	4057	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		4059
2941	_post_tick;	4060	if (0) {
2942		4061	if ($NEXT_TICK) {
2943		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
2944	},	4066	}
2945	);	4067	}
2946		4068
2947	{	4069	{
2948	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	4071
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
2958		4073	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		4075
2974	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		4083
2977	cf::sync_job {	4084	cf::sync_job {
2978	eval {	4085	eval {
2979	BDB::db_env_open	4086	BDB::db_env_open
2980	$DB_ENV,	4087	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	4091	0666;
2985		4092
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	4094	};
2991		4095
2992	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	4097	};
2994	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
2995	}	4109	}
2996		4110
2997	{	4111	{
		4112	# configure IO::AIO
		4113
2998	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	4117	}
3011		4118
3012	my $_log_backtrace;	4119	my $_log_backtrace;
3013		4120
3014	sub _log_backtrace {	4121	sub _log_backtrace {
…		…
3017	$msg =~ s/\n//;	4124	$msg =~ s/\n//;
3018		4125
3019	# limit the # of concurrent backtraces	4126	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	4127	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
3022	async {	4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
3023	my @bt = fork_call {	4133	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	4134	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	4137	or die "addr2line: $!";
…		…
3035	}	4145	}
3036		4146
3037	@funcs	4147	@funcs
3038	};	4148	};
3039		4149
3040	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	4152	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	4153	--$_log_backtrace;
3043	};	4154	};
3044	} else {	4155	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	4156	LOG llevInfo, "[ABT] $msg\n";
3046	LOG llevInfo, "[ABT] [suppressed]\n";	4157	LOG llevInfo, "[ABT] [suppressed]\n";
3047	}	4158	}
3048	}	4159	}
3049		4160
3050	# load additional modules	4161	# load additional modules
3051	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
3052		4164
3053	END { cf::emergency_save }	4165	END { cf::emergency_save }
3054		4166
3055	1	4167	1
3056		4168

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