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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
249	=item cf::lock_wait $string	376	=item cf::lock_wait $string
250		377
251	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
252		379
253	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
254		381
255	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
258	returned.	385	returned.
259		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
260	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
262		392
263	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
264		394
265	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
266		396
267	=cut	397	=cut
268		398
269	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
270		400
271	sub lock_wait($) {	401	sub lock_wait($) {
272	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	403	}
280		404
281	sub lock_acquire($) {	405	sub lock_acquire($) {
282	my ($key) = @_;	406	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	407	}
294		408
295	sub lock_active($) {	409	sub lock_active($) {
296	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	411	}
300		412
301	sub freeze_mainloop {	413	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
303		415
304	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
306	};	483	}
307	$TICK_WATCHER->stop;	484	};
308	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
309	}	499	}
310		500
311	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
312		502
313	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		508
319	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
320		510
321	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
322		512
323	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
326		517
327	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
330	fast or be very important.	521	fast or be very important.
…		…
332	=cut	523	=cut
333		524
334	sub sync_job(&) {	525	sub sync_job(&) {
335	my ($job) = @_;	526	my ($job) = @_;
336		527
337	if ($Coro::current == $Coro::main) {	528	if (in_main) {
338	my $time = Event::time;	529	my $time = AE::time;
339		530
340	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
342		533
343	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	535
345	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
346		537
347	my $busy = 1;	538	my $busy = 1;
348	my @res;	539	my @res;
349		540
350	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	543	@res = eval { $job->() };
352	warn $@ if $@;	544	error $@ if $@;
353	undef $busy;	545	undef $busy;
354	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
355		547
356	while ($busy) {	548	while ($busy) {
357	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
358	}	553	}
		554	}
359		555
360	$time = Event::time - $time;	556	my $time = AE::time - $time;
361		557
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
366		559
367	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
368	} else {	561	} else {
369	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
370		563
…		…
390	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
391		584
392	$coro	585	$coro
393	}	586	}
394		587
395	sub write_runtime {	588	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		589
398	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
400		594
401	IO::AIO::aio_utime $runtime, undef, undef;	595	=cut
402		596
403	my $guard = cf::lock_acquire "write_runtime";	597	sub fork_call(&@) {
		598	my ($cb, @args) = @_;
404		599
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	600	# we seemingly have to make a local copy of the whole thing,
406	or return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
407		603
408	my $value = $cf::RUNTIME + 90 + 10;	604	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	605	reset_signals;
410	# 60 allows for the watchdog to kill the server.	606	&$cb
		607	}, @args;
411		608
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	wantarray ? @res : $res[-1]
413	and return;	610	}
414		611
415	# always fsync - this file is important	612	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	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
431	}	777	}
432		778
433	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
434		780
435	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
436		782
437	=cut	783	=cut
438		784
439	sub datalog($@) {	785	sub datalog($@) {
440	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	788	}
443		789
444	=back	790	=back
445		791
446	=cut	792	=cut
447		793
448	#############################################################################	794	#############################################################################
449		795
450	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
451		797
452	Many objects in crossfire are so-called attachable objects. That means you can	798	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")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
455		801
456	In the following description, CLASS can be any of C<global>, C<object>	802	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	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	804	Deliantra).
459		805
460	=over 4	806	=over 4
461		807
462	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
463		809
…		…
507	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
508		854
509	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
511		857
512	Some classes such as crossfire maps and objects can specify attachments	858	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.	859	that are attached at load/instantiate time, thus the need for a name.
514		860
515	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
516		862
517	=over 4	863	=over 4
…		…
641		987
642	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		990
645	} elsif (ref $type) {	991	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
647		993
648	} else {	994	} else {
649	shift @arg;	995	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
651	}	997	}
652	}	998	}
653	}	999	}
654		1000
655	sub _object_attach {	1001	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
666	}	1012	}
667		1013
668	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
669	} else {	1015	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1017	}
672		1018
673	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
674	}	1020	}
675		1021
…		…
715	";	1061	";
716	die if $@;	1062	die if $@;
717	}	1063	}
718		1064
719	our $override;	1065	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1067
722	sub override {	1068	sub override {
723	$override = 1;	1069	$override = 1;
724	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
725	}	1071	}
726		1072
727	sub do_invoke {	1073	sub do_invoke {
728	my $event = shift;	1074	my $event = shift;
729	my $callbacks = shift;	1075	my $callbacks = shift;
730		1076
731	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
732		1078
733	local $override;	1079	local $override;
734		1080
735	for (@$callbacks) {	1081	for (@$callbacks) {
736	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
737		1083
738	if ($@) {	1084	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1086	override;
742	}	1087	}
743		1088
744	return 1 if $override;	1089	return 1 if $override;
745	}	1090	}
746		1091
747	0	1092	0
748	}	1093	}
749		1094
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1096
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1098
754	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
755		1100
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	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	1102	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1104
760	=back	1105	=back
761		1106
762	=cut	1107	=cut
763		1108
764	#############################################################################	1109	#############################################################################
765	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
766		1153
767	sub reattach {	1154	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1156	my ($obj) = @_;
770		1157
		1158	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1160
773	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
774		1162
775	@$registry = ();	1163	@$registry = ();
776		1164
…		…
781	for (@$attach) {	1169	for (@$attach) {
782	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
784	}	1172	}
785	} else {	1173	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1175	}
788	}	1176	}
789	}	1177	}
790		1178
791	cf::attachable->attach (	1179	cf::attachable->attach (
792	prio => -1000000,	1180	prio => -1000000,
793	on_instantiate => sub {	1181	on_instantiate => sub {
794	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
795		1183
796	$data = from_json $data;	1184	$data = decode_json $data;
797		1185
798	for (@$data) {	1186	for (@$data) {
799	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
800		1188
801	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1205	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
819		1207
820	sync_job {	1208	sync_job {
821	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
824		1214
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
829	close $fh;	1222	aio_close $fh;
830		1223
831	if (@$objs) {	1224	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
837	close $fh;	1233	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
839	}	1235	}
840	} else {	1236	} else {
841	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
842	}	1238	}
843		1239
844	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1244	} else {
846	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
847	}	1246	}
848	} else {	1247	} else {
849	aio_unlink $filename;	1248	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
851	}	1250	}
852	}	1251	};
853	}	1252	}
854		1253
855	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
857		1256
…		…
869	or return;	1268	or return;
870		1269
871	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
873	or return;	1272	or return;
		1273
874	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
875	}	1276	}
876		1277
		1278	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
879	return ($data, $av);	1283	($data, $av)
880	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
881		1291
882	#############################################################################	1292	#############################################################################
883	# command handling &c	1293	# command handling &c
884		1294
885	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1309	}
900		1310
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1312
903	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
904		1318
905	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
906	called.	1320	called.
907		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
908	=cut	1333	=cut
909		1334
910	sub register_extcmd {	1335	sub register_extcmd {
911	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
912		1337
913	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
914	}	1339	}
915		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
916	cf::player->attach (	1349	cf::player->attach (
917	on_command => sub {	1350	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
919		1352
920	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
921	or return;	1354	or return;
922		1355
…		…
927	cf::override;	1360	cf::override;
928	},	1361	},
929	on_extcmd => sub {	1362	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
931		1364
932	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1366
934	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
940	} else {	1382	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1384	}
943		1385
944	cf::override;	1386	cf::override;
945	},	1387	},
946	);	1388	);
947		1389
		1390	# "readahead" all extensions
948	sub load_extension {	1391	sub cache_extensions {
949	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
950		1393
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1396	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	}	1397	}
976	die $@;
977	}	1398	};
978		1399
979	push @EXTS, $pkg;	1400	$grp
980	}	1401	}
981		1402
982	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
983	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1410	next unless -r $path;
985	eval {	1411
986	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
987	1	1475	}
988	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
989	}	1486	};
990	}	1487	}
991		1488
992	#############################################################################	1489	#############################################################################
993		1490
		1491	=back
		1492
994	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
995		1494
996	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
997		1496
998	=cut	1497	=cut
999		1498
1000	package cf::player;	1499	package cf::player;
1001		1500
1002	use Coro::AIO;	1501	use Coro::AIO;
1003		1502
1004	=head3 cf::player	1503	=head3 cf::player
1005		1504
1006	=over 4	1505	=over 4
		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
1007		1520
1008	=item cf::player::find $login	1521	=item cf::player::find $login
1009		1522
1010	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1011		1524
…		…
1030		1543
1031	sub exists($) {	1544	sub exists($) {
1032	my ($login) = @_;	1545	my ($login) = @_;
1033		1546
1034	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1036	}	1549	}
1037		1550
1038	sub find($) {	1551	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1553	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1564
1052	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1055	}	1574	}
1056	}	1575	}
1057	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1058		1590
1059	sub save($) {	1591	sub save($) {
1060	my ($pl) = @_;	1592	my ($pl) = @_;
1061		1593
1062	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1068		1600
1069	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1071		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1072	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1073	Coro::cede;	1610	cf::cede_to_tick;
1074	}	1611	}
1075		1612
1076	sub new($) {	1613	sub new($) {
1077	my ($login) = @_;	1614	my ($login) = @_;
1078		1615
…		…
1084	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1085		1622
1086	$self	1623	$self
1087	}	1624	}
1088		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1089	=item $pl->quit_character	1636	=item $pl->quit_character
1090		1637
1091	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1093		1640
…		…
1097	my ($pl) = @_;	1644	my ($pl) = @_;
1098		1645
1099	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1100		1647
1101	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1650
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1108		1656
1109	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1694	or return [];
1147		1695
1148	my @logins;	1696	my @logins;
1149		1697
1150	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1154		1708
1155	utf8::decode $login;	1709	utf8::decode $login;
1156	push @logins, $login;	1710	push @logins, $login;
1157	}	1711	}
1158		1712
1159	\@logins	1713	\@logins
1160	}	1714	}
1161		1715
1162	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1163		1719
1164	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1165	player. May block.	1721	player. May block.
1166		1722
1167	=cut	1723	=cut
…		…
1185	}	1741	}
1186		1742
1187	\@paths	1743	\@paths
1188	}	1744	}
1189		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1190	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1191		1751
1192	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1193		1753
1194	=cut	1754	=cut
1195		1755
1196	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1198		1758
1199	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1760	}
1203		1761
1204	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1205		1763
1206	Sends an ext event to the client.	1764	Sends an ext event to the client.
1207		1765
1208	=cut	1766	=cut
1209		1767
1210	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1212		1770
1213	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1214	}	1772	}
1215		1773
1216	=head3 cf::region	1774	=head3 cf::region
1217		1775
1218	=over 4	1776	=over 4
…		…
1221		1779
1222	package cf::region;	1780	package cf::region;
1223		1781
1224	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1225		1783
1226	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1227		1785
1228	=cut	1786	=cut
1229		1787
1230	sub find_by_path($) {	1788	sub find_by_path($) {
1231	my ($path) = @_;	1789	my ($path) = @_;
1232		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1233	my ($match, $specificity);	1793	my ($match, $specificity);
1234		1794
1235	for my $region (list) {	1795	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1239	}	1799	}
1240	}	1800	}
1241		1801
…		…
1262	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1264		1824
1265	sub generate_random_map {	1825	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1267	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1831	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290		1853
1291	sub register {	1854	sub register {
1292	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1856	my $pkg = caller;
1294		1857
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1859
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1861	}
1300		1862
1301	# also paths starting with '/'	1863	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1865
1304	sub thawer_merge {	1866	sub thawer_merge {
1305	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1306		1868
1307	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
…		…
1312	}	1874	}
1313		1875
1314	sub normalise {	1876	sub normalise {
1315	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1316		1878
1317	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1318		1880
1319	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1320		1882
1321	# map plan:	1883	# map plan:
1322	#	1884	#
…		…
1361	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1362	return $self;	1924	return $self;
1363	}	1925	}
1364	}	1926	}
1365		1927
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	1929	()
1368	}	1930	}
1369		1931
1370	sub init {	1932	sub init {
1371	my ($self) = @_;	1933	my ($self) = @_;
…		…
1393		1955
1394	# the temporary/swap location	1956	# the temporary/swap location
1395	sub save_path {	1957	sub save_path {
1396	my ($self) = @_;	1958	my ($self) = @_;
1397		1959
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1400	}	1962	}
1401		1963
1402	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1403	sub uniq_path {	1965	sub uniq_path {
1404	my ($self) = @_;	1966	my ($self) = @_;
1405		1967
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1417	}	1970	}
1418		1971
1419	sub decay_objects {	1972	sub decay_objects {
1420	my ($self) = @_;	1973	my ($self) = @_;
1421		1974
…		…
1434		1987
1435	sub load_header_from($) {	1988	sub load_header_from($) {
1436	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1437		1990
1438	utf8::encode $path;	1991	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1444		2000
1445	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1446		2002
1447	1	2003	1
1448	}	2004	}
…		…
1500		2056
1501	sub find;	2057	sub find;
1502	sub find {	2058	sub find {
1503	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1504		2060
		2061	cf::cede_to_tick;
		2062
1505	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1506		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2067
1509	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1512	or return;	2070	or return;
1513		2071
1514	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1515		2073
…		…
1517	or return;	2075	or return;
1518		2076
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1522	$map->reset;	2082	$map->reset;
1523	undef $guard;
1524	return find $path;	2083	return find $path;
1525	}	2084	}
1526		2085
1527	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1528	}	2087	}
1529	}	2088	}
1530		2089
1531	sub pre_load { }	2090	sub pre_load { }
1532	sub post_load { }	2091	#sub post_load { } # XS
1533		2092
1534	sub load {	2093	sub load {
1535	my ($self) = @_;	2094	my ($self) = @_;
1536		2095
1537	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1538		2097
1539	my $path = $self->{path};	2098	my $path = $self->{path};
1540		2099
1541	{	2100	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1543		2102
		2103	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2105
1546	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1547		2107
1548	$self->alloc;	2108	$self->alloc;
1549		2109
1550	$self->pre_load;	2110	$self->pre_load;
1551	Coro::cede;	2111	cf::cede_to_tick;
1552		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1554	or return;	2116	or return;
1555		2117
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1557	if delete $self->{load_original};	2119	if delete $self->{load_original};
1558		2120
1559	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2122	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2125	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1564	}	2129	}
1565	}	2130	}
1566		2131
1567	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1568	# now do the right thing for maps	2135	# now do the right thing for maps
1569	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2138	unless $self->difficulty;
1572	Coro::cede;	2139	cf::cede_to_tick;
1573		2140
1574	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2142	$self->decay_objects;
1576	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1577	$self->update_buttons;	2144	$self->update_buttons;
1578	Coro::cede;	2145	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2146	$self->activate;
1582	}	2147	}
1583		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2153	}
1586		2154
1587	$self->post_load;	2155	$self->post_load;
1588	}	2156	}
1589		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2161	sub customise_for {
1591	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1592		2163
1593	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2165	if $self->per_player;
…		…
1598		2169
1599	$self	2170	$self
1600	}	2171	}
1601		2172
1602	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2174	sub load_neighbours {
1604	my ($map) = @_;	2175	my ($map) = @_;
1605		2176
1606	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1607		2178
1608	for (0 .. 3) {	2179	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1610	or next;	2181	or next;
1611	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1612	or next;	2183	or next;
1613	$neigh->load;	2184	$neigh->load;
1614		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2190	}
1618		2191
1619	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1621	or next;	2195	or next;
1622	$neigh->load;	2196	$neigh->load;
1623	}	2197	}
1624	}	2198	}
1625		2199
1626	sub find_sync {	2200	sub find_sync {
1627	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1628		2202
1629	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1630	}	2207	}
1631		2208
1632	sub do_load_sync {	2209	sub do_load_sync {
1633	my ($map) = @_;	2210	my ($map) = @_;
1634		2211
1635	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1636	}	2216	}
1637		2217
1638	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1640		2220
1641	sub find_async {	2221	sub find_async {
1642	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1643		2223
1644	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1645		2225
1646	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2228	}
1649		2229
1650	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1651	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1652	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2237	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2238	$map->load if $v;
		2239	}
1657		2240
1658	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1659	}	2242	}
1660	}	2243	}
1661	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1662	};	2245	};
1663	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1664		2247
1665	()	2248	()
1666	}	2249	}
1667		2250
		2251	# common code, used by both ->save and ->swapout
1668	sub save {	2252	sub _save {
1669	my ($self) = @_;	2253	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2254
1673	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1674		2256
1675	return unless $self->dirty;	2257	return unless $self->dirty;
1676		2258
…		…
1682	return if $self->{deny_save};	2264	return if $self->{deny_save};
1683		2265
1684	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1685		2267
1686	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1688	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1689		2274
1690	if ($uniq) {	2275	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2278	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2280	}
1696	}	2281	}
1697		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1698	sub swap_out {	2291	sub swap_out {
1699	my ($self) = @_;	2292	my ($self) = @_;
1700		2293
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1706	return if $self->players;	2298	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1710	$self->clear;	2309	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2310	}
1713		2311
1714	sub reset_at {	2312	sub reset_at {
1715	my ($self) = @_;	2313	my ($self) = @_;
1716		2314
…		…
1734		2332
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2334
1737	return if $self->players;	2335	return if $self->players;
1738		2336
1739	warn "resetting map ", $self->path;	2337	cf::trace "resetting map ", $self->path, "\n";
1740		2338
1741	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1742		2340
1743	# need to save uniques path	2341	# need to save uniques path
1744	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2346	if $uniq;
1749	}	2347	}
1750		2348
1751	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1752		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2353	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2354
1757	$self->unlink_save;	2355	$self->unlink_save;
1758	$self->destroy;	2356	$self->destroy;
1759	}	2357	}
1760		2358
1761	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1762		2360
1763	sub nuke {	2361	sub nuke {
1764	my ($self) = @_;	2362	my ($self) = @_;
1765		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1766	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1767		2368
1768	$self->unlink_save;	2369	$self->unlink_save;
1769		2370
1770	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2376
1776	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1777		2379
1778	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1779	}	2417	}
1780		2418
1781	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1782		2420
1783	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2422	instantiated unique items. May block.
1785		2423
1786	=cut	2424	=cut
1787		2425
1788	sub unique_maps() {	2426	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2427	[
1790	or return;	2428	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2429	utf8::decode $_;
1796	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2432	? ()
1799	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2435	]
1801
1802	\@paths
1803	}	2436	}
1804		2437
1805	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1806		2469
1807	=back	2470	=back
1808		2471
1809	=head3 cf::object	2472	=head3 cf::object
1810		2473
…		…
1814		2477
1815	=over 4	2478	=over 4
1816		2479
1817	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1818		2481
1819	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1820		2484
1821	=cut	2485	=cut
1822		2486
1823	sub inv_recursive_;	2487	sub inv_recursive_;
1824	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1827		2491
1828	sub inv_recursive {	2492	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1830	}	2494	}
1831		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1832	package cf;	2524	package cf;
1833		2525
1834	=back	2526	=back
1835		2527
1836	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1845		2537
1846	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1847		2553
1848	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2555	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1853		2559
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2561
1856	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1858	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1861	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1862	}	2587	}
1863		2588
1864	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1865		2590
1866	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1879		2604
1880	=item $player_object->enter_link	2605	=item $player_object->enter_link
1881		2606
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2608
1884	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1886		2613
1887	Will never block.	2614	Will never block.
1888		2615
1889	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1890		2617
…		…
1910	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1911	my ($self) = @_;	2638	my ($self) = @_;
1912		2639
1913	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1914		2641
		2642	++$self->{_link_recursion};
		2643
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2645
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2647	if $self->map && $self->map->{path} ne "{link}";
1919		2648
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2650	}
1922		2651
1923	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
1925		2654
…		…
1942	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1944		2673
1945	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1948		2677
1949	$map->load;	2678	$map->load;
1950	$map->load_diag;	2679	$map->load_neighbours;
1951		2680
1952	return unless $self->contr->active;	2681	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2682
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1957	}	2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
		2688	$self->activate_recursive;
		2689	}
1958		2690
		2691	}
		2692
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1960		2694
1961	Moves the player to the given map-path and coordinates by first freezing	2695	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2697	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
1965		2703
1966	=cut	2704	=cut
1967		2705
1968	our $GOTOGEN;	2706	our $GOTOGEN;
1969		2707
1970	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
1972		2716
1973	# do generation counting so two concurrent goto's will be executed in-order	2717	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2719
1976	$self->enter_link;	2720	$self->enter_link;
1977		2721
1978	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1979	my $map = eval {	2744	my $map = eval {
1980	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
1981		2746
1982	if ($map) {	2747	if ($map) {
1983	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
1985	} else {	2750	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2752	}
1988		2753
1989	$map	2754	$map
1990	};	2755	};
1991		2756
…		…
1996		2761
1997	if ($gen == $self->{_goto_generation}) {	2762	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2763	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
2000	}	2765	}
		2766
		2767	$done->($self) if $done;
2001	})->prio (1);	2768	})->prio (1);
2002	}	2769	}
2003		2770
2004	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
2005		2772
…		…
2025	}	2792	}
2026		2793
2027	sub prepare_random_map {	2794	sub prepare_random_map {
2028	my ($exit) = @_;	2795	my ($exit) = @_;
2029		2796
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2799	# that depends on the exit object
2035		2800
2036	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2803	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2043	}	2810	}
2044		2811
2045	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2046		2813
2047	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2050		2817
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2820	undef $fh;
2054	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2055		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2058	}	2829	}
2059	}	2830	}
2060		2831
2061	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2063		2834
2064	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2065		2836
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2837	$self->enter_link;
2078		2838
2079	(async {	2839	(async {
2080	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2081	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
2082	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2083		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
2084	1;	2863	1
2085	}) {	2864	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2869
2091	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2092	$self->leave_link;	2871	$self->leave_link;
2093	}	2872	}
2094	})->prio (1);	2873	})->prio (1);
2095	}	2874	}
2096		2875
…		…
2110		2889
2111	utf8::encode $text;	2890	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2892	}
2114		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
2115	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2116		3082
2117	Sends an exti event to the client.	3083	Sends an ext event to the client.
2118		3084
2119	=cut	3085	=cut
2120		3086
2121	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2123		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
2126	}	3114	}
2127		3115
2128	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2129		3117
2130	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3121
2134	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3123	become reliable at some point in the future.
2136		3124
2137	=cut	3125	=cut
2138		3126
2139	sub cf::client::query {	3127	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3136	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3138
2151	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2153	}	3143	}
2154		3144
2155	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2156	on_reply => sub {	3151	on_reply => sub {
2157	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2158		3153
2159	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2160	# get handled first	3155	# get handled first
…		…
2172	} else {	3167	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3169	}
2175	}	3170	}
2176	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2177	);	3198	);
2178		3199
2179	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2180		3201
2181	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3218
2198	$coro	3219	$coro
2199	}	3220	}
2200		3221
2201	cf::client->attach (	3222	cf::client->attach (
2202	on_destroy => sub {	3223	on_client_destroy => sub {
2203	my ($ns) = @_;	3224	my ($ns) = @_;
2204		3225
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3227	},
2207	);	3228	);
…		…
2222	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2224		3245
2225	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2226		3247
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2228		3253
2229	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2230		3255
2231	=pod	3256	=pod
2232		3257
2233	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2234		3259
2235	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2236	cf::object::player player	3265	cf::object::player
2237	cf::player peaceful	3266	player
2238	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2239		3273
2240	=cut	3274	=cut
2241		3275
2242	for (	3276	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2247	) {	3283	) {
2248	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2251	for @funs;	3286	for @funs;
2252	}	3287	}
2253		3288
…		…
2268		3303
2269	my $qcode = $code;	3304	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2272		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2273	local $_;	3311	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3312
2276	my $eval =	3313	my $eval =
2277	"do {\n"	3314	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3317	. $code
2281	. "\n}"	3318	. "\n}"
2282	;	3319	;
2283		3320
		3321	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2287		3330
2288	if ($@) {	3331	if ($@) {
2289	warn "$@";	3332	warn "$@",
2290	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2291	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2292	}	3335	}
2293		3336
2294	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2295	}	3338	}
2296		3339
…		…
2310	=cut	3353	=cut
2311		3354
2312	sub register_script_function {	3355	sub register_script_function {
2313	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2314		3357
2315	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2317	}	3360	}
2318		3361
2319	=back	3362	=back
2320		3363
2321	=cut	3364	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3365
2495	#############################################################################	3366	#############################################################################
2496	# the server's init and main functions	3367	# the server's init and main functions
2497		3368
2498	sub load_facedata($) {	3369	sub load_facedata($) {
2499	my ($path) = @_;	3370	my ($path) = @_;
2500		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2501	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2502		3379
2503	my $facedata;
2504	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2505	or die "$path: $!";	3381	or die "$path: $!";
2506		3382
2507	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2508		3384
2509	$facedata->{version} == 2	3385	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
2512	{	3397	{
2513	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2514		3399
2515	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3407
		3408	cf::cede_to_tick;
2521	}	3409	}
2522		3410
2523	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2525	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2526	or next;	3415	or next;
		3416
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3420	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3422	}
2532	Coro::cede;	3423
		3424	cf::cede_to_tick;
2533	}	3425	}
2534	}	3426	}
2535		3427
2536	{	3428	{
2537	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2538		3430
2539	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3433	cf::cede_to_tick;
2542	}	3434	}
2543		3435
2544	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2545	}	3437	}
2546		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2547	1	3458	1
2548	}	3459	}
2549		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
2550	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2551	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
2553	}	3491	}
2554		3492
2555	sub reload_facedata {	3493	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2565	sub reload_treasures {	3503	sub reload_treasures {
2566	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2567	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2568	}	3506	}
2569		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2570	sub reload_resources {	3531	sub reload_resources {
2571	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2572		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2573	reload_regions;	3539	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3540	reload_treasures;
2578		3541
2579	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2580	}	3543	}
2581		3544
2582	sub init {	3545	sub reload_config {
2583	reload_resources;	3546	trace "reloading config file...\n";
2584	}
2585		3547
2586	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2588	or return;
2589		3550
2590	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2591	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2592		3555
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2594		3557
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597		3560
2598	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2602	};	3565	};
2603	warn $@ if $@;	3566	warn $@ if $@;
2604	}	3567	}
2605	}	3568	}
2606		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2607	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2608	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3611	(async {
2612	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2614	};	3615	};
2615		3616
2616	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2617	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2618	load_extensions;	3640	load_extensions;
2619		3641
2620	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2622	}	3660	}
2623		3661
2624	#############################################################################	3662	#############################################################################
2625	# initialisation and cleanup	3663	# initialisation and cleanup
2626		3664
2627	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2628	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2637	},
2638	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2639	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2640	}	3761	}
2641		3762
2642	sub emergency_save() {	3763	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2644		3765
2645	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2646		3772
2647	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2648	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3784	$pl->save;
2656	}	3785	}
2657	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2658		3787
2659	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3793	$map->valid or next;
2663	$map->save;	3794	$map->save;
2664	}	3795	}
2665	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2666		3797
2667	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2670	};	3826	};
2671		3827
2672	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2673	}	3829	}
2674		3830
2675	sub post_cleanup {	3831	sub post_cleanup {
2676	my ($make_core) = @_;	3832	my ($make_core) = @_;
2677		3833
		3834	IO::AIO::flush;
		3835
2678	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2680	}	3866	}
2681		3867
2682	sub do_reload_perl() {	3868	sub do_reload_perl() {
2683	# can/must only be called in main	3869	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2685	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2686	return;	3872	return;
2687	}	3873	}
2688		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2689	warn "reloading...";	3881	info "reloading...";
2690		3882
2691	warn "entering sync_job";	3883	trace "entering sync_job";
2692		3884
2693	cf::sync_job {	3885	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark
2695	cf::emergency_save;	3886	#cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark
2697		3887
2698	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;
2700
2701	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();	3890	%EXT_CORO = ();
2722		3891
2723	warn "removing commands";	3892	trace "removing commands";
2724	%COMMAND = ();	3893	%COMMAND = ();
2725		3894
2726	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2727	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2728		3898
2729	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2732		3902
2733	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2734	eval {	3904	eval {
2735	$cb->($pkg);	3905	$cb->($pkg);
2736	1	3906	1
2737	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2738	}	3912	}
2739		3913
2740	warn "... nuking $pkg";
2741	Symbol::delete_package $pkg;
2742	}
2743
2744	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2745	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3917
2748	warn "... unloading $k";	3918	trace "... unloading $k";
2749	delete $INC{$k};	3919	delete $INC{$k};
2750		3920
2751	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2753		3923
2754	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2755	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2756	}	3929	}
2757		3930
2758	Symbol::delete_package $k;
2759	}
2760
2761	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3934
2765	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		3938
2769	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3940	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2772		3942
2773	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2774		3944
2775	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2776	require cf;	3946	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2778		3948
2779	warn "loading config and database again";	3949	trace "loading config and database again";
2780	cf::cfg_load;	3950	cf::reload_config;
2781		3951
2782	warn "loading extensions";	3952	trace "loading extensions";
2783	cf::load_extensions;	3953	cf::load_extensions;
2784		3954
		3955	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2791		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2792	warn "leaving sync_job";	3967	trace "leaving sync_job";
2793		3968
2794	1	3969	1
2795	} or do {	3970	} or do {
2796	warn $@;	3971	error $@;
2797	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2798	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2799	};	3977	}
2800		3978
2801	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2802	};	3981	};
2803		3982
2804	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2805		3984
2806	sub reload_perl() {	3985	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2809		3988
2810	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	3991
2813	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	3993	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2817	},	3995	};
2818	);	3996	};
2819	}	3997	}
2820		3998
2821	register_command "reload" => sub {	3999	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2823		4001
2824	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	4006	reload_perl;
		4007	};
2827	}	4008	}
2828	};	4009	};
2829		4010
2830	unshift @INC, $LIBDIR;	4011	#############################################################################
2831		4012
2832	my $bug_warning = 0;	4013	my $bug_warning = 0;
2833		4014
2834	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2836		4017
2837	sub wait_for_tick {	4018	sub wait_for_tick() {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840		4020
2841	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	4023	$signal->wait;
2844	}	4024	}
2845		4025
2846	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849		4028
2850	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	4031	$signal->wait;
2853	}	4032	}
2854		4033
2855	my $min = 1e6;#d#	4034	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2867	return;	4038	return;
2868	}	4039	}
2869		4040
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2873		4042
2874	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2875	for(1..10) {
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		4044
2880	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	4047	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	4049	write_runtime_sync
2885		4050	or error "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	4051	};
		4052	}
2896		4053
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4055	$sig->send;
2913	}	4056	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	4058	$sig->send;
2916	}	4059	}
2917		4060
2918	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4063
2929	_post_tick;	4064	if (0) {
2930		4065	if ($NEXT_TICK) {
2931		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
2932	},	4070	}
2933	);	4071	}
2934		4072
2935	{	4073	{
2936	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4075
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2946		4077	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4079
2962	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4087
2965	cf::sync_job {	4088	cf::sync_job {
2966	eval {	4089	eval {
2967	BDB::db_env_open	4090	BDB::db_env_open
2968	$DB_ENV,	4091	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4095	0666;
2973		4096
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4098	};
2979		4099
2980	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4101	};
2982	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2983	}	4113	}
2984		4114
2985	{	4115	{
		4116	# configure IO::AIO
		4117
2986	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4121	}
2999		4122
3000	my $_log_backtrace;	4123	my $_log_backtrace;
3001		4124
3002	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3006		4129
3007	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3010	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3011	my @bt = fork_call {	4137	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3023	}	4149	}
3024		4150
3025	@funcs	4151	@funcs
3026	};	4152	};
3027		4153
3028	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4157	--$_log_backtrace;
3031	};	4158	};
3032	} else {	4159	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3035	}	4162	}
3036	}	4163	}
3037		4164
3038	# load additional modules	4165	# load additional modules
3039	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3040		4168
3041	END { cf::emergency_save }	4169	END { cf::emergency_save }
3042		4170
3043	1	4171	1
3044		4172

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