ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 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 $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
249	=item cf::lock_wait $string	388	=item cf::lock_wait $string
250		389
251	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
252		391
253	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
254		393
255	Wait until the given lock is available and then acquires it and returns	394	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,	395	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	396	for example when the coroutine gets canceled), the lock is automatically
258	returned.	397	returned.
259		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
260	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
262		404
263	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
264		406
265	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
266		408
267	=cut	409	=cut
268		410
269	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
270		412
271	sub lock_wait($) {	413	sub lock_wait($) {
272	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	415	}
280		416
281	sub lock_acquire($) {	417	sub lock_acquire($) {
282	my ($key) = @_;	418	$LOCKS->guard ($_[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	}	419	}
294		420
295	sub lock_active($) {	421	sub lock_active($) {
296	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	423	}
300		424
301	sub freeze_mainloop {	425	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
303		427
304	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
306	};	495	}
307	$TICK_WATCHER->stop;	496	};
308	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
309	}	511	}
310		512
311	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
312		514
313	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		520
319	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
320		522
321	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
322		524
323	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
326		529
327	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
330	fast or be very important.	533	fast or be very important.
…		…
332	=cut	535	=cut
333		536
334	sub sync_job(&) {	537	sub sync_job(&) {
335	my ($job) = @_;	538	my ($job) = @_;
336		539
337	if ($Coro::current == $Coro::main) {	540	if (in_main) {
338	my $time = Event::time;	541	my $time = AE::time;
339		542
340	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
342		545
343	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	547
345	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
346		549
347	my $busy = 1;	550	my $busy = 1;
348	my @res;	551	my @res;
349		552
350	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	555	@res = eval { $job->() };
352	warn $@ if $@;	556	error $@ if $@;
353	undef $busy;	557	undef $busy;
354	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
355		559
356	while ($busy) {	560	while ($busy) {
357	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
358	}	565	}
		566	}
359		567
360	$time = Event::time - $time;	568	my $time = AE::time - $time;
361		569
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	570	$TICK_START += $time; # do not account sync jobs to server load
366		571
367	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
368	} else {	573	} else {
369	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
370		575
…		…
390	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
391		596
392	$coro	597	$coro
393	}	598	}
394		599
395	sub write_runtime {	600	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		601
398	# first touch the runtime file to show we are still running:	602	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
400		606
401	IO::AIO::aio_utime $runtime, undef, undef;	607	=cut
402		608
403	my $guard = cf::lock_acquire "write_runtime";	609	sub post_fork {
		610	reset_signals;
		611	}
404		612
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	613	sub fork_call(&@) {
406	or return;	614	my ($cb, @args) = @_;
407		615
408	my $value = $cf::RUNTIME + 90 + 10;	616	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	617	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	618	# TODO: investigate and fix (likely this will be rather laborious)
411		619
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	620	my @res = Coro::Util::fork_eval {
413	and return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
414		624
415	# always fsync - this file is important	625	wantarray ? @res : $res[-1]
416	aio_fsync $fh	626	}
417	and return;
418		627
419	# touch it again to show we are up-to-date	628	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
431	}	793	}
432		794
433	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
434		796
435	Log a datalog packet of the given type with the given key-value pairs.	797	Log a datalog packet of the given type with the given key-value pairs.
436		798
437	=cut	799	=cut
438		800
439	sub datalog($@) {	801	sub datalog($@) {
440	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	804	}
443		805
444	=back	806	=back
445		807
446	=cut	808	=cut
447		809
448	#############################################################################	810	#############################################################################
449		811
450	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
451		813
452	Many objects in crossfire are so-called attachable objects. That means you can	814	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")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
455		817
456	In the following description, CLASS can be any of C<global>, C<object>	818	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	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	820	Deliantra).
459		821
460	=over 4	822	=over 4
461		823
462	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
463		825
…		…
507	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
508		870
509	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
511		873
512	Some classes such as crossfire maps and objects can specify attachments	874	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.	875	that are attached at load/instantiate time, thus the need for a name.
514		876
515	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
516		878
517	=over 4	879	=over 4
…		…
641		1003
642	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1006
645	} elsif (ref $type) {	1007	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
647		1009
648	} else {	1010	} else {
649	shift @arg;	1011	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
651	}	1013	}
652	}	1014	}
653	}	1015	}
654		1016
655	sub _object_attach {	1017	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
666	}	1028	}
667		1029
668	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
669	} else {	1031	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1033	}
672		1034
673	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
674	}	1036	}
675		1037
…		…
715	";	1077	";
716	die if $@;	1078	die if $@;
717	}	1079	}
718		1080
719	our $override;	1081	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1083
722	sub override {	1084	sub override {
723	$override = 1;	1085	$override = 1;
724	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
725	}	1087	}
726		1088
727	sub do_invoke {	1089	sub do_invoke {
728	my $event = shift;	1090	my $event = shift;
729	my $callbacks = shift;	1091	my $callbacks = shift;
730		1092
731	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
732		1094
733	local $override;	1095	local $override;
734		1096
735	for (@$callbacks) {	1097	for (@$callbacks) {
736	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
737		1099
738	if ($@) {	1100	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1102	override;
742	}	1103	}
743		1104
744	return 1 if $override;	1105	return 1 if $override;
745	}	1106	}
746		1107
747	0	1108	0
748	}	1109	}
749		1110
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1112
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1114
754	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
755		1116
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	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	1118	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1120
760	=back	1121	=back
761		1122
762	=cut	1123	=cut
763		1124
764	#############################################################################	1125	#############################################################################
765	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
766		1169
767	sub reattach {	1170	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1172	my ($obj) = @_;
770		1173
		1174	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1176
773	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
774		1178
775	@$registry = ();	1179	@$registry = ();
776		1180
…		…
781	for (@$attach) {	1185	for (@$attach) {
782	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
784	}	1188	}
785	} else {	1189	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1191	}
788	}	1192	}
789	}	1193	}
790		1194
791	cf::attachable->attach (	1195	cf::attachable->attach (
792	prio => -1000000,	1196	prio => -1000000,
793	on_instantiate => sub {	1197	on_instantiate => sub {
794	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
795		1199
796	$data = from_json $data;	1200	$data = decode_json $data;
797		1201
798	for (@$data) {	1202	for (@$data) {
799	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
800		1204
801	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1221	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
819		1223
820	sync_job {	1224	sync_job {
821	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
824		1230
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
829	close $fh;	1238	aio_close $fh;
830		1239
831	if (@$objs) {	1240	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
837	close $fh;	1249	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
839	}	1251	}
840	} else {	1252	} else {
841	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
842	}	1254	}
843		1255
844	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1260	} else {
846	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
847	}	1262	}
848	} else {	1263	} else {
849	aio_unlink $filename;	1264	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
851	}	1266	}
852	}	1267	};
853	}	1268	}
854		1269
855	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
857		1272
…		…
869	or return;	1284	or return;
870		1285
871	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
873	or return;	1288	or return;
		1289
874	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
875	}	1292	}
876		1293
		1294	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
879	return ($data, $av);	1299	($data, $av)
880	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
881		1307
882	#############################################################################	1308	#############################################################################
883	# command handling &c	1309	# command handling &c
884		1310
885	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1325	}
900		1326
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1328
903	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
904		1334
905	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
906	called.	1336	called.
907		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
908	=cut	1349	=cut
909		1350
910	sub register_extcmd {	1351	sub register_extcmd {
911	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
912		1353
913	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
914	}	1355	}
915		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
916	cf::player->attach (	1365	cf::player->attach (
917	on_command => sub {	1366	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
919		1368
920	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
921	or return;	1370	or return;
922		1371
…		…
927	cf::override;	1376	cf::override;
928	},	1377	},
929	on_extcmd => sub {	1378	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
931		1380
932	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1382
934	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
940	} else {	1398	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1400	}
943		1401
944	cf::override;	1402	cf::override;
945	},	1403	},
946	);	1404	);
947		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
948	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
949	cf::sync_job {	1422	cf::sync_job {
950	my %todo;	1423	my %todo;
951		1424
952	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1426	next unless -r $path;
…		…
967	path => $path,	1440	path => $path,
968	base => $base,	1441	base => $base,
969	pkg => $pkg,	1442	pkg => $pkg,
970	);	1443	);
971		1444
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1447
975	$ext{source} =	1448	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
978	. $source	1451	. $source
979	. "\n};\n1";	1452	. "\n};\n1";
980		1453
981	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
982	}	1455	}
983		1456
		1457	my $pass = 0;
984	my %done;	1458	my %done;
985	while (%todo) {	1459	while (%todo) {
986	my $progress;	1460	my $progress;
987		1461
		1462	++$pass;
		1463
		1464	ext:
988	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1467	next ext
991	unless exists $done{$_};	1468	unless exists $done{$_};
992	}	1469	}
993		1470
994	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1472
996	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1001	warn $msg;	1480
1002	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1482	delete $todo{$k};
1004	}	1483	} else {
1005		1484	$done{$k} = delete $todo{$k};
1006	die $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1007	}	1490	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1491	}
1012		1492
1013	skip:	1493	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1016	}	1501	}
1017	};	1502	};
1018	}	1503	}
1019		1504
1020	#############################################################################	1505	#############################################################################
1021		1506
		1507	=back
		1508
1022	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1023		1510
1024	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1025		1512
1026	=cut	1513	=cut
1027		1514
1028	package cf::player;	1515	package cf::player;
1029		1516
1030	use Coro::AIO;	1517	use Coro::AIO;
1031		1518
1032	=head3 cf::player	1519	=head3 cf::player
1033		1520
1034	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1035		1536
1036	=item cf::player::find $login	1537	=item cf::player::find $login
1037		1538
1038	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1039		1540
…		…
1058		1559
1059	sub exists($) {	1560	sub exists($) {
1060	my ($login) = @_;	1561	my ($login) = @_;
1061		1562
1062	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1064	}	1565	}
1065		1566
1066	sub find($) {	1567	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1569	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1580
1080	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1083	}	1590	}
1084	}	1591	}
1085	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1086		1606
1087	sub save($) {	1607	sub save($) {
1088	my ($pl) = @_;	1608	my ($pl) = @_;
1089		1609
1090	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1096		1616
1097	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1099		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1100	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1101	Coro::cede;	1626	cf::cede_to_tick;
1102	}	1627	}
1103		1628
1104	sub new($) {	1629	sub new($) {
1105	my ($login) = @_;	1630	my ($login) = @_;
1106		1631
…		…
1112	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1113		1638
1114	$self	1639	$self
1115	}	1640	}
1116		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1117	=item $pl->quit_character	1652	=item $pl->quit_character
1118		1653
1119	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1121		1656
…		…
1125	my ($pl) = @_;	1660	my ($pl) = @_;
1126		1661
1127	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1128		1663
1129	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1666
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1133	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1135	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1136		1675
1137	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1139	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1174	or return [];	1713	or return [];
1175		1714
1176	my @logins;	1715	my @logins;
1177		1716
1178	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1182		1727
1183	utf8::decode $login;	1728	utf8::decode $login;
1184	push @logins, $login;	1729	push @logins, $login;
1185	}	1730	}
1186		1731
1187	\@logins	1732	\@logins
1188	}	1733	}
1189		1734
1190	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1191		1738
1192	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1193	player. May block.	1740	player. May block.
1194		1741
1195	=cut	1742	=cut
…		…
1213	}	1760	}
1214		1761
1215	\@paths	1762	\@paths
1216	}	1763	}
1217		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1218	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1219		1770
1220	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1221		1772
1222	=cut	1773	=cut
1223		1774
1224	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1226		1777
1227	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1779	}
1231		1780
1232	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1233		1782
1234	Sends an ext event to the client.	1783	Sends an ext event to the client.
1235		1784
1236	=cut	1785	=cut
1237		1786
1238	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1240		1789
1241	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1242	}	1791	}
1243		1792
1244	=head3 cf::region	1793	=head3 cf::region
1245		1794
1246	=over 4	1795	=over 4
…		…
1249		1798
1250	package cf::region;	1799	package cf::region;
1251		1800
1252	=item cf::region::find_by_path $path	1801	=item cf::region::find_by_path $path
1253		1802
1254	Tries to decuce the probable region for a map knowing only its path.	1803	Tries to decuce the likely region for a map knowing only its path.
1255		1804
1256	=cut	1805	=cut
1257		1806
1258	sub find_by_path($) {	1807	sub find_by_path($) {
1259	my ($path) = @_;	1808	my ($path) = @_;
1260		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1261	my ($match, $specificity);	1812	my ($match, $specificity);
1262		1813
1263	for my $region (list) {	1814	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1267	}	1818	}
1268	}	1819	}
1269		1820
…		…
1290	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1292		1843
1293	sub generate_random_map {	1844	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1295	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1850	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1318		1872
1319	sub register {	1873	sub register {
1320	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1875	my $pkg = caller;
1322		1876
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1878
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1880	}
1328		1881
1329	# also paths starting with '/'	1882	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1884
1332	sub thawer_merge {	1885	sub thawer_merge {
1333	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1334		1887
1335	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1340	}	1893	}
1341		1894
1342	sub normalise {	1895	sub normalise {
1343	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1344		1897
1345	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1346		1899
1347	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1348		1901
1349	# map plan:	1902	# map plan:
1350	#	1903	#
…		…
1389	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1390	return $self;	1943	return $self;
1391	}	1944	}
1392	}	1945	}
1393		1946
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1948	()
1396	}	1949	}
1397		1950
1398	sub init {	1951	sub init {
1399	my ($self) = @_;	1952	my ($self) = @_;
…		…
1421		1974
1422	# the temporary/swap location	1975	# the temporary/swap location
1423	sub save_path {	1976	sub save_path {
1424	my ($self) = @_;	1977	my ($self) = @_;
1425		1978
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1428	}	1981	}
1429		1982
1430	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1431	sub uniq_path {	1984	sub uniq_path {
1432	my ($self) = @_;	1985	my ($self) = @_;
1433		1986
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1989	}
1446		1990
1447	sub decay_objects {	1991	sub decay_objects {
1448	my ($self) = @_;	1992	my ($self) = @_;
1449		1993
…		…
1462		2006
1463	sub load_header_from($) {	2007	sub load_header_from($) {
1464	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1465		2009
1466	utf8::encode $path;	2010	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1472		2019
1473	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1474		2021
1475	1	2022	1
1476	}	2023	}
…		…
1528		2075
1529	sub find;	2076	sub find;
1530	sub find {	2077	sub find {
1531	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1532		2079
		2080	cf::cede_to_tick;
		2081
1533	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1534		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2086
1537	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1540	or return;	2089	or return;
1541		2090
1542	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1543		2092
…		…
1545	or return;	2094	or return;
1546		2095
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1550	$map->reset;	2101	$map->reset;
1551	undef $guard;
1552	return find $path;	2102	return find $path;
1553	}	2103	}
1554		2104
1555	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1556	}	2106	}
1557	}	2107	}
1558		2108
1559	sub pre_load { }	2109	sub pre_load { }
1560	sub post_load { }	2110	#sub post_load { } # XS
1561		2111
1562	sub load {	2112	sub load {
1563	my ($self) = @_;	2113	my ($self) = @_;
1564		2114
1565	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1566		2116
1567	my $path = $self->{path};	2117	my $path = $self->{path};
1568		2118
1569	{	2119	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1571		2121
		2122	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2124
1574	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1575		2126
1576	$self->alloc;	2127	$self->alloc;
1577		2128
1578	$self->pre_load;	2129	$self->pre_load;
1579	Coro::cede;	2130	cf::cede_to_tick;
1580		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1582	or return;	2135	or return;
1583		2136
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1585	if delete $self->{load_original};	2138	if delete $self->{load_original};
1586		2139
1587	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2141	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2144	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1592	}	2148	}
1593	}	2149	}
1594		2150
1595	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1596	# now do the right thing for maps	2154	# now do the right thing for maps
1597	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2157	unless $self->difficulty;
1600	Coro::cede;	2158	cf::cede_to_tick;
1601		2159
1602	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2161	$self->decay_objects;
1604	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1605	$self->update_buttons;	2163	$self->update_buttons;
1606	Coro::cede;	2164	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2165	$self->activate;
1610	}	2166	}
1611		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2172	}
1614		2173
1615	$self->post_load;	2174	$self->post_load;
1616	}	2175	}
1617		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2180	sub customise_for {
1619	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1620		2182
1621	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2184	if $self->per_player;
…		…
1626		2188
1627	$self	2189	$self
1628	}	2190	}
1629		2191
1630	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2193	sub load_neighbours {
1632	my ($map) = @_;	2194	my ($map) = @_;
1633		2195
1634	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1635		2197
1636	for (0 .. 3) {	2198	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1638	or next;	2200	or next;
1639	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1640	or next;	2202	or next;
1641	$neigh->load;	2203	$neigh->load;
1642		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2209	}
1646		2210
1647	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1649	or next;	2214	or next;
1650	$neigh->load;	2215	$neigh->load;
1651	}	2216	}
1652	}	2217	}
1653		2218
1654	sub find_sync {	2219	sub find_sync {
1655	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1656		2221
1657	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1658	}	2226	}
1659		2227
1660	sub do_load_sync {	2228	sub do_load_sync {
1661	my ($map) = @_;	2229	my ($map) = @_;
1662		2230
1663	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1664	}	2235	}
1665		2236
1666	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1668		2239
1669	sub find_async {	2240	sub find_async {
1670	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1671		2242
1672	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1673		2244
1674	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2247	}
1677		2248
1678	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1679	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1680	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2256	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2257	$map->load if $v;
		2258	}
1685		2259
1686	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1687	}	2261	}
1688	}	2262	}
1689	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1690	};	2264	};
1691	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1692		2266
1693	()	2267	()
1694	}	2268	}
1695		2269
		2270	# common code, used by both ->save and ->swapout
1696	sub save {	2271	sub _save {
1697	my ($self) = @_;	2272	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2273
1701	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1702		2275
1703	return unless $self->dirty;	2276	return unless $self->dirty;
1704		2277
…		…
1710	return if $self->{deny_save};	2283	return if $self->{deny_save};
1711		2284
1712	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1713		2286
1714	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1716	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1717		2293
1718	if ($uniq) {	2294	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2297	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2299	}
1724	}	2300	}
1725		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1726	sub swap_out {	2310	sub swap_out {
1727	my ($self) = @_;	2311	my ($self) = @_;
1728		2312
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1734	return if $self->players;	2317	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1738	$self->clear;	2328	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2329	}
1741		2330
1742	sub reset_at {	2331	sub reset_at {
1743	my ($self) = @_;	2332	my ($self) = @_;
1744		2333
…		…
1762		2351
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2353
1765	return if $self->players;	2354	return if $self->players;
1766		2355
1767	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
1768		2357
1769	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1770		2359
1771	# need to save uniques path	2360	# need to save uniques path
1772	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2365	if $uniq;
1777	}	2366	}
1778		2367
1779	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1780		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2372	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2373
1785	$self->unlink_save;	2374	$self->unlink_save;
1786	$self->destroy;	2375	$self->destroy;
1787	}	2376	}
1788		2377
1789	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1790		2379
1791	sub nuke {	2380	sub nuke {
1792	my ($self) = @_;	2381	my ($self) = @_;
1793		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1794	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1795		2387
1796	$self->unlink_save;	2388	$self->unlink_save;
1797		2389
1798	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2395
1804	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1805		2398
1806	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
1807	}	2400	}
1808		2401
1809	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
1851		2444
1852	sub unique_maps() {	2445	sub unique_maps() {
1853	[	2446	[
1854	map {	2447	map {
1855	utf8::decode $_;	2448	utf8::decode $_;
1856	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
1857	? normalise $_	2452	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2454	]
1861	}	2455	}
1862		2456
1863	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1864		2488
1865	=back	2489	=back
1866		2490
1867	=head3 cf::object	2491	=head3 cf::object
1868		2492
…		…
1872		2496
1873	=over 4	2497	=over 4
1874		2498
1875	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1876		2500
1877	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1878		2503
1879	=cut	2504	=cut
1880		2505
1881	sub inv_recursive_;	2506	sub inv_recursive_;
1882	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1885		2510
1886	sub inv_recursive {	2511	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1888	}	2513	}
1889		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1890	package cf;	2543	package cf;
1891		2544
1892	=back	2545	=back
1893		2546
1894	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1903		2556
1904	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1905		2572
1906	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2574	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1911		2578
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2580
1914	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1916	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1919	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1920	}	2606	}
1921		2607
1922	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1923		2609
1924	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1937		2623
1938	=item $player_object->enter_link	2624	=item $player_object->enter_link
1939		2625
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2627
1942	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1944		2632
1945	Will never block.	2633	Will never block.
1946		2634
1947	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1948		2636
…		…
1968	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2657	my ($self) = @_;
1970		2658
1971	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1972		2660
		2661	++$self->{_link_recursion};
		2662
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2664
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
1977		2667
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2669	}
1980		2670
1981	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
1983		2673
…		…
2000	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2002		2692
2003	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2006		2696
2007	$map->load;	2697	$map->load;
2008	$map->load_diag;	2698	$map->load_neighbours;
2009		2699
2010	return unless $self->contr->active;	2700	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2701
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2015	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2016		2709
		2710	}
		2711
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2713
2019	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
2023		2722
2024	=cut	2723	=cut
2025		2724
2026	our $GOTOGEN;	2725	our $GOTOGEN;
2027		2726
2028	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
2030		2735
2031	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2738
2034	$self->enter_link;	2739	$self->enter_link;
2035		2740
2036	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2037	my $map = eval {	2763	my $map = eval {
2038	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2039		2765
2040	if ($map) {	2766	if ($map) {
2041	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2769	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2771	}
2046		2772
2047	$map	2773	$map
2048	};	2774	};
2049		2775
…		…
2054		2780
2055	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2058	}	2784	}
		2785
		2786	$done->($self) if $done;
2059	})->prio (1);	2787	})->prio (1);
2060	}	2788	}
2061		2789
2062	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2063		2791
…		…
2083	}	2811	}
2084		2812
2085	sub prepare_random_map {	2813	sub prepare_random_map {
2086	my ($exit) = @_;	2814	my ($exit) = @_;
2087		2815
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2818	# that depends on the exit object
2093		2819
2094	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2822	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2101	}	2829	}
2102		2830
2103	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2104		2832
2105	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2108		2836
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2839	undef $fh;
2112	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2113		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2116	}	2848	}
2117	}	2849	}
2118		2850
2119	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2121		2853
2122	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2123		2855
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2856	$self->enter_link;
2136		2857
2137	(async {	2858	(async {
2138	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2139	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2140	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2141		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2142	1;	2882	1
2143	}) {	2883	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2888
2149	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2890	$self->leave_link;
2151	}	2891	}
2152	})->prio (1);	2892	})->prio (1);
2153	}	2893	}
2154		2894
…		…
2168		2908
2169	utf8::encode $text;	2909	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2911	}
2172		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2173	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2174		3101
2175	Sends an exti event to the client.	3102	Sends an ext event to the client.
2176		3103
2177	=cut	3104	=cut
2178		3105
2179	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2181		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2184	}	3133	}
2185		3134
2186	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2187		3136
2188	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3140
2192	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3142	become reliable at some point in the future.
2194		3143
2195	=cut	3144	=cut
2196		3145
2197	sub cf::client::query {	3146	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3155	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3157
2209	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2211	}	3162	}
2212		3163
2213	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2214	on_reply => sub {	3170	on_reply => sub {
2215	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2216		3172
2217	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2218	# get handled first	3174	# get handled first
…		…
2230	} else {	3186	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3188	}
2233	}	3189	}
2234	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2235	);	3217	);
2236		3218
2237	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2238		3220
2239	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3237
2256	$coro	3238	$coro
2257	}	3239	}
2258		3240
2259	cf::client->attach (	3241	cf::client->attach (
2260	on_destroy => sub {	3242	on_client_destroy => sub {
2261	my ($ns) = @_;	3243	my ($ns) = @_;
2262		3244
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3246	},
2265	);	3247	);
…		…
2280	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2282		3264
2283	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2284		3266
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2286		3272
2287	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2288		3274
2289	=pod	3275	=pod
2290		3276
2291	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2292		3278
2293	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2294	cf::object::player player	3284	cf::object::player
2295	cf::player peaceful	3285	player
2296	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2297		3292
2298	=cut	3293	=cut
2299		3294
2300	for (	3295	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2305	) {	3302	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3305	for @funs;
2310	}	3306	}
2311		3307
…		…
2326		3322
2327	my $qcode = $code;	3323	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2330		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2331	local $_;	3330	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3331
2334	my $eval =	3332	my $eval =
2335	"do {\n"	3333	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3336	. $code
2339	. "\n}"	3337	. "\n}"
2340	;	3338	;
2341		3339
		3340	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2345		3349
2346	if ($@) {	3350	if ($@) {
2347	warn "$@";	3351	warn "$@",
2348	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2350	}	3354	}
2351		3355
2352	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2353	}	3357	}
2354		3358
…		…
2368	=cut	3372	=cut
2369		3373
2370	sub register_script_function {	3374	sub register_script_function {
2371	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2372		3376
2373	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2375	}	3379	}
2376		3380
2377	=back	3381	=back
2378		3382
2379	=cut	3383	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3384
2553	#############################################################################	3385	#############################################################################
2554	# the server's init and main functions	3386	# the server's init and main functions
2555		3387
2556	sub load_facedata($) {	3388	sub load_facedata($) {
2557	my ($path) = @_;	3389	my ($path) = @_;
2558		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2559	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2560		3398
2561	my $facedata;
2562	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2563	or die "$path: $!";	3400	or die "$path: $!";
2564		3401
2565	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2566		3403
2567	$facedata->{version} == 2	3404	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2570	{	3416	{
2571	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2572		3418
2573	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3426
		3427	cf::cede_to_tick;
2579	}	3428	}
2580		3429
2581	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2583	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2584	or next;	3434	or next;
		3435
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3439	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3441	}
2590	Coro::cede;	3442
		3443	cf::cede_to_tick;
2591	}	3444	}
2592	}	3445	}
2593		3446
2594	{	3447	{
2595	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2596		3449
2597	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3452	cf::cede_to_tick;
2600	}	3453	}
2601		3454
2602	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2603	}	3456	}
2604		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2605	1	3477	1
2606	}	3478	}
2607		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2608	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2609	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2611	}	3510	}
2612		3511
2613	sub reload_facedata {	3512	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3522	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2626	}	3525	}
2627		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2628	sub reload_resources {	3550	sub reload_resources {
2629	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2630		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2631	reload_regions;	3558	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3559	reload_treasures;
2636		3560
2637	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2638	}	3562	}
2639		3563
2640	sub init {	3564	sub reload_config {
2641	reload_resources;	3565	trace "reloading config file...\n";
2642	}
2643		3566
2644	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2646	or return;
2647		3569
2648	local $/;	3570	utf8::decode $config;
2649	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2650		3572
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3574
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3577
2656	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2660	};	3582	};
2661	warn $@ if $@;	3583	warn $@ if $@;
2662	}	3584	}
2663	}	3585	}
2664		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2665	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2666	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3628	(async {
2670	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2672	};	3632	};
2673		3633
2674	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2675	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2676	load_extensions;	3657	load_extensions;
2677		3658
2678	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2680	}	3677	}
2681		3678
2682	#############################################################################	3679	#############################################################################
2683	# initialisation and cleanup	3680	# initialisation and cleanup
2684		3681
2685	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2686	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2695	},
2696	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2697	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2698	}	3778	}
2699		3779
2700	sub emergency_save() {	3780	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2702		3782
2703	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2704		3789
2705	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2706	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3801	$pl->save;
2714	}	3802	}
2715	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2716		3804
2717	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3810	$map->valid or next;
2721	$map->save;	3811	$map->save;
2722	}	3812	}
2723	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2724		3814
2725	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3843	};
2729		3844
2730	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2731	}	3846	}
2732		3847
2733	sub post_cleanup {	3848	sub post_cleanup {
2734	my ($make_core) = @_;	3849	my ($make_core) = @_;
2735		3850
		3851	IO::AIO::flush;
		3852
2736	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2738	}	3883	}
2739		3884
2740	sub do_reload_perl() {	3885	sub do_reload_perl() {
2741	# can/must only be called in main	3886	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2743	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2744	return;	3889	return;
2745	}	3890	}
2746		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2747	warn "reloading...";	3898	info "reloading...";
2748		3899
2749	warn "entering sync_job";	3900	trace "entering sync_job";
2750		3901
2751	cf::sync_job {	3902	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3903	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3904
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3907	%EXT_CORO = ();
2780		3908
2781	warn "removing commands";	3909	trace "removing commands";
2782	%COMMAND = ();	3910	%COMMAND = ();
2783		3911
2784	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2785	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2786		3915
2787	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2790		3919
2791	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3921	eval {
2793	$cb->($pkg);	3922	$cb->($pkg);
2794	1	3923	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2796	}	3929	}
2797		3930
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3934
2806	warn "... unloading $k";	3935	trace "... unloading $k";
2807	delete $INC{$k};	3936	delete $INC{$k};
2808		3937
2809	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2811		3940
2812	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2814	}	3946	}
2815		3947
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3951
2823	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3955
2827	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3957	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2830		3959
2831	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2832		3961
2833	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2834	require cf;	3963	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2836		3965
2837	warn "loading config and database again";	3966	trace "loading config and database again";
2838	cf::cfg_load;	3967	cf::reload_config;
2839		3968
2840	warn "loading extensions";	3969	trace "loading extensions";
2841	cf::load_extensions;	3970	cf::load_extensions;
2842		3971
		3972	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2849		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2850	warn "leaving sync_job";	3984	trace "leaving sync_job";
2851		3985
2852	1	3986	1
2853	} or do {	3987	} or do {
2854	warn $@;	3988	error $@;
2855	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2856	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2857	};	3994	}
2858		3995
2859	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2860	};	3998	};
2861		3999
2862	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2863		4001
2864	sub reload_perl() {	4002	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2867		4005
2868	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4008
2871	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4010	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2875	},	4012	};
2876	);	4013	};
2877	}	4014	}
2878		4015
2879	register_command "reload" => sub {	4016	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2881		4018
2882	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4023	reload_perl;
		4024	};
2885	}	4025	}
2886	};	4026	};
2887		4027
2888	unshift @INC, $LIBDIR;	4028	#############################################################################
2889		4029
2890	my $bug_warning = 0;	4030	my $bug_warning = 0;
2891		4031
2892	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2894		4034
2895	sub wait_for_tick {	4035	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4037
2899	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4040	$signal->wait;
2902	}	4041	}
2903		4042
2904	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4045
2908	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4048	$signal->wait;
2911	}	4049	}
2912		4050
2913	my $min = 1e6;#d#	4051	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2925	return;	4055	return;
2926	}	4056	}
2927		4057
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2931		4059
2932	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4061
2938	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4064	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4066	write_runtime_sync
2943		4067	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4068	};
		4069	}
2954		4070
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4072	$sig->send;
2971	}	4073	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4075	$sig->send;
2974	}	4076	}
2975		4077
2976	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4080
2987	_post_tick;	4081	if (0) {
2988		4082	if ($NEXT_TICK) {
2989		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
2990	},	4087	}
2991	);	4088	}
2992		4089
2993	{	4090	{
2994	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4092
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3004		4094	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4096
3020	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4104
3023	cf::sync_job {	4105	cf::sync_job {
3024	eval {	4106	eval {
3025	BDB::db_env_open	4107	BDB::db_env_open
3026	$DB_ENV,	4108	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4112	0666;
3031		4113
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4115	};
3037		4116
3038	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4118	};
3040	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3041	}	4130	}
3042		4131
3043	{	4132	{
		4133	# configure IO::AIO
		4134
3044	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4138	}
3057		4139
3058	my $_log_backtrace;	4140	my $_log_backtrace;
3059		4141
3060	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3064		4146
3065	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3068	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3069	my @bt = fork_call {	4154	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3081	}	4166	}
3082		4167
3083	@funcs	4168	@funcs
3084	};	4169	};
3085		4170
3086	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4174	--$_log_backtrace;
3089	};	4175	};
3090	} else {	4176	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4179	}
3094	}	4180	}
3095		4181
3096	# load additional modules	4182	# load additional modules
3097	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3098		4185
3099	END { cf::emergency_save }	4186	END { cf::emergency_save }
3100		4187
3101	1	4188	1
3102		4189

Diff Legend

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