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 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		300
194	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	302	# within the Safe compartment.
196	for my $pkg (qw(	303	for my $pkg (qw(
197	cf::global cf::attachable	304	cf::global cf::attachable
198	cf::object cf::object::player	305	cf::object cf::object::player
199	cf::client cf::player	306	cf::client cf::player
200	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
201	cf::map cf::party cf::region	309	cf::party cf::region
202	)) {	310	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	312	}
206		313
207	$Event::DIED = sub {	314	$EV::DIED = sub {
208	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
209	};	316	};
		317
		318	#############################################################################
210		319
211	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
212		321
213	=over 4	322	=over 4
214		323
…		…
233	$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;
234	$d	343	$d
235	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
236	}	345	}
237		346
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
241		348
242	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
243		350
244	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
245		352
246	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	388	=item cf::lock_wait $string
249		389
250	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
251		391
252	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
253		393
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
257	returned.	397	returned.
258		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
259	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
260	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
261		404
262	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
263		406
264	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.
265		408
266	=cut	409	=cut
267		410
268	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
269		412
270	sub lock_wait($) {	413	sub lock_wait($) {
271	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	415	}
279		416
280	sub lock_acquire($) {	417	sub lock_acquire($) {
281	my ($key) = @_;	418	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	419	}
293		420
294	sub lock_active($) {	421	sub lock_active($) {
295	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	423	}
299		424
300	sub freeze_mainloop {	425	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
302		427
303	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
305	};	495	}
306	$TICK_WATCHER->stop;	496	};
307	$guard	497
		498	sub get_slot($;$$) {
		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	$sig->wait;
308	}	511	}
309		512
310	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
311		514
312	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		520
318	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
319		522
320	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
321		524
322	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
325		529
326	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
329	fast or be very important.	533	fast or be very important.
…		…
331	=cut	535	=cut
332		536
333	sub sync_job(&) {	537	sub sync_job(&) {
334	my ($job) = @_;	538	my ($job) = @_;
335		539
336	if ($Coro::current == $Coro::main) {	540	if (in_main) {
337	my $time = Event::time;	541	my $time = AE::time;
338		542
339	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
341		545
342	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	547
344	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
345		549
346	my $busy = 1;	550	my $busy = 1;
347	my @res;	551	my @res;
348		552
349	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	555	@res = eval { $job->() };
351	warn $@ if $@;	556	error $@ if $@;
352	undef $busy;	557	undef $busy;
353	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
354		559
355	while ($busy) {	560	while ($busy) {
356	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
357	}	565	}
		566	}
358		567
359	$time = Event::time - $time;	568	my $time = AE::time - $time;
360		569
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
365		571
366	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
367	} else {	573	} else {
368	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
369		575
…		…
389	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
390		596
391	$coro	597	$coro
392	}	598	}
393		599
394	sub write_runtime {	600	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		601
397	# first touch the runtime file to show we are still running:	602	Executes the given code block with the given arguments in a seperate
398	# 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.
399		606
400	IO::AIO::aio_utime $runtime, undef, undef;	607	=cut
401		608
402	my $guard = cf::lock_acquire "write_runtime";	609	sub post_fork {
		610	reset_signals;
		611	}
403		612
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	613	sub fork_call(&@) {
405	or return;	614	my ($cb, @args) = @_;
406		615
407	my $value = $cf::RUNTIME + 90 + 10;	616	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	617	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	618	# TODO: investigate and fix (likely this will be rather laborious)
410		619
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	620	my @res = Coro::Util::fork_eval {
412	and return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
413		624
414	# always fsync - this file is important	625	wantarray ? @res : $res[-1]
415	aio_fsync $fh	626	}
416	and return;
417		627
418	# touch it again to show we are up-to-date	628	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	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"
430	}	793	}
431		794
432	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
433		796
434	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.
435		798
436	=cut	799	=cut
437		800
438	sub datalog($@) {	801	sub datalog($@) {
439	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	804	}
442		805
443	=back	806	=back
444		807
445	=cut	808	=cut
446		809
447	#############################################################################	810	#############################################################################
448		811
449	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
450		813
451	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
452	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")
453	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
454		817
455	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>
456	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
457	crossfire+).	820	Deliantra).
458		821
459	=over 4	822	=over 4
460		823
461	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
462		825
…		…
506	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
507		870
508	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
510		873
511	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		876
514	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
515		878
516	=over 4	879	=over 4
…		…
640		1003
641	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1006
644	} elsif (ref $type) {	1007	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
646		1009
647	} else {	1010	} else {
648	shift @arg;	1011	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
650	}	1013	}
651	}	1014	}
652	}	1015	}
653		1016
654	sub _object_attach {	1017	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
665	}	1028	}
666		1029
667	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
668	} else {	1031	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1033	}
671		1034
672	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
673	}	1036	}
674		1037
…		…
714	";	1077	";
715	die if $@;	1078	die if $@;
716	}	1079	}
717		1080
718	our $override;	1081	our $override;
719	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?
720		1083
721	sub override {	1084	sub override {
722	$override = 1;	1085	$override = 1;
723	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
724	}	1087	}
725		1088
726	sub do_invoke {	1089	sub do_invoke {
727	my $event = shift;	1090	my $event = shift;
728	my $callbacks = shift;	1091	my $callbacks = shift;
729		1092
730	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
731		1094
732	local $override;	1095	local $override;
733		1096
734	for (@$callbacks) {	1097	for (@$callbacks) {
735	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
736		1099
737	if ($@) {	1100	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1102	override;
741	}	1103	}
742		1104
743	return 1 if $override;	1105	return 1 if $override;
744	}	1106	}
745		1107
746	0	1108	0
747	}	1109	}
748		1110
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1112
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1114
753	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
754		1116
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1120
759	=back	1121	=back
760		1122
761	=cut	1123	=cut
762		1124
763	#############################################################################	1125	#############################################################################
764	# 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, $ob2
		1168	}
765		1169
766	sub reattach {	1170	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1172	my ($obj) = @_;
769		1173
		1174	# no longer needed after getting rid of delete_package?
770	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
771		1176
772	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
773		1178
774	@$registry = ();	1179	@$registry = ();
775		1180
…		…
780	for (@$attach) {	1185	for (@$attach) {
781	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
783	}	1188	}
784	} else {	1189	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1191	}
787	}	1192	}
788	}	1193	}
789		1194
790	cf::attachable->attach (	1195	cf::attachable->attach (
791	prio => -1000000,	1196	prio => -1000000,
792	on_instantiate => sub {	1197	on_instantiate => sub {
793	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
794		1199
795	$data = from_json $data;	1200	$data = decode_json $data;
796		1201
797	for (@$data) {	1202	for (@$data) {
798	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
799		1204
800	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1221	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
818		1223
819	sync_job {	1224	sync_job {
820	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
823		1230
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1238	aio_close $fh;
829		1239
830	if (@$objs) {	1240	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1249	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
838	}	1251	}
839	} else {	1252	} else {
840	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
841	}	1254	}
842		1255
843	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1260	} else {
845	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
846	}	1262	}
847	} else {	1263	} else {
848	aio_unlink $filename;	1264	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
850	}	1266	}
851	}	1267	};
852	}	1268	}
853		1269
854	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
856		1272
…		…
868	or return;	1284	or return;
869		1285
870	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
872	or return;	1288	or return;
		1289
873	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
874	}	1292	}
875		1293
		1294	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
878	return ($data, $av);	1299	($data, $av)
879	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
880		1307
881	#############################################################################	1308	#############################################################################
882	# command handling &c	1309	# command handling &c
883		1310
884	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1325	}
899		1326
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1328
902	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.
903		1334
904	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
905	called.	1336	called.
906		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
907	=cut	1349	=cut
908		1350
909	sub register_extcmd {	1351	sub register_extcmd {
910	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
911		1353
912	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
913	}	1355	}
914		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
915	cf::player->attach (	1365	cf::player->attach (
916	on_command => sub {	1366	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
918		1368
919	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
920	or return;	1370	or return;
921		1371
…		…
926	cf::override;	1376	cf::override;
927	},	1377	},
928	on_extcmd => sub {	1378	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
930		1380
931	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1382
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
939	} else {	1398	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1400	}
942		1401
943	cf::override;	1402	cf::override;
944	},	1403	},
945	);	1404	);
946		1405
		1406	# "readahead" all extensions
947	sub load_extension {	1407	sub cache_extensions {
948	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
949		1409
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1413	}
975	die $@;
976	}	1414	};
977		1415
978	push @EXTS, $pkg;	1416	$grp
979	}	1417	}
980		1418
981	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
982	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1426	next unless -r $path;
984	eval {	1427
985	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
986	1	1491	}
987	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1501	}
988	}	1502	};
989	}	1503	}
990		1504
991	#############################################################################	1505	#############################################################################
992		1506
		1507	=back
		1508
993	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
994		1510
995	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
996		1512
997	=cut	1513	=cut
998		1514
999	package cf::player;	1515	package cf::player;
1000		1516
1001	use Coro::AIO;	1517	use Coro::AIO;
1002		1518
1003	=head3 cf::player	1519	=head3 cf::player
1004		1520
1005	=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	}
1006		1536
1007	=item cf::player::find $login	1537	=item cf::player::find $login
1008		1538
1009	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1010		1540
…		…
1029		1559
1030	sub exists($) {	1560	sub exists($) {
1031	my ($login) = @_;	1561	my ($login) = @_;
1032		1562
1033	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1035	}	1565	}
1036		1566
1037	sub find($) {	1567	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1569	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1580
1051	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1054	}	1590	}
1055	}	1591	}
1056	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($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	);
1057		1606
1058	sub save($) {	1607	sub save($) {
1059	my ($pl) = @_;	1608	my ($pl) = @_;
1060		1609
1061	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1067		1616
1068	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1072	Coro::cede;	1626	cf::cede_to_tick;
1073	}	1627	}
1074		1628
1075	sub new($) {	1629	sub new($) {
1076	my ($login) = @_;	1630	my ($login) = @_;
1077		1631
…		…
1083	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1084		1638
1085	$self	1639	$self
1086	}	1640	}
1087		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
1088	=item $pl->quit_character	1652	=item $pl->quit_character
1089		1653
1090	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1092		1656
…		…
1096	my ($pl) = @_;	1660	my ($pl) = @_;
1097		1661
1098	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1099		1663
1100	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1101	$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
1102		1666
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1107		1675
1108	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1713	or return [];
1146		1714
1147	my @logins;	1715	my @logins;
1148		1716
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1153		1727
1154	utf8::decode $login;	1728	utf8::decode $login;
1155	push @logins, $login;	1729	push @logins, $login;
1156	}	1730	}
1157		1731
1158	\@logins	1732	\@logins
1159	}	1733	}
1160		1734
1161	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1162		1738
1163	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1164	player. May block.	1740	player. May block.
1165		1741
1166	=cut	1742	=cut
…		…
1184	}	1760	}
1185		1761
1186	\@paths	1762	\@paths
1187	}	1763	}
1188		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1189	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1190		1770
1191	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1192		1772
1193	=cut	1773	=cut
1194		1774
1195	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1197		1777
1198	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1779	}
1202		1780
1203	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1204		1782
1205	Sends an ext event to the client.	1783	Sends an ext event to the client.
1206		1784
1207	=cut	1785	=cut
1208		1786
1209	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1211		1789
1212	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1213	}	1791	}
1214		1792
1215	=head3 cf::region	1793	=head3 cf::region
1216		1794
1217	=over 4	1795	=over 4
…		…
1220		1798
1221	package cf::region;	1799	package cf::region;
1222		1800
1223	=item cf::region::find_by_path $path	1801	=item cf::region::find_by_path $path
1224		1802
1225	Tries to decuce the probable region for a map knowing only its path.	1803	Tries to decuce the likely region for a map knowing only its path.
1226		1804
1227	=cut	1805	=cut
1228		1806
1229	sub find_by_path($) {	1807	sub find_by_path($) {
1230	my ($path) = @_;	1808	my ($path) = @_;
1231		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1232	my ($match, $specificity);	1812	my ($match, $specificity);
1233		1813
1234	for my $region (list) {	1814	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1238	}	1818	}
1239	}	1819	}
1240		1820
…		…
1261	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1263		1843
1264	sub generate_random_map {	1844	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1850	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1289		1872
1290	sub register {	1873	sub register {
1291	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1875	my $pkg = caller;
1293		1876
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1878
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1880	}
1299		1881
1300	# also paths starting with '/'	1882	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1884
1303	sub thawer_merge {	1885	sub thawer_merge {
1304	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1305		1887
1306	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1307	local $self->{path};	1889	local $self->{path};
1308	local $self->{load_path};	1890	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1891
1312	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1313	}	1893	}
1314		1894
1315	sub normalise {	1895	sub normalise {
1316	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1317		1897
1318	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1319		1899
1320	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1321		1901
1322	# map plan:	1902	# map plan:
1323	#	1903	#
…		…
1362	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1363	return $self;	1943	return $self;
1364	}	1944	}
1365	}	1945	}
1366		1946
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	1948	()
1369	}	1949	}
1370		1950
1371	sub init {	1951	sub init {
1372	my ($self) = @_;	1952	my ($self) = @_;
…		…
1394		1974
1395	# the temporary/swap location	1975	# the temporary/swap location
1396	sub save_path {	1976	sub save_path {
1397	my ($self) = @_;	1977	my ($self) = @_;
1398		1978
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1401	}	1981	}
1402		1982
1403	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1404	sub uniq_path {	1984	sub uniq_path {
1405	my ($self) = @_;	1985	my ($self) = @_;
1406		1986
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1409	}	1989	}
1410		1990
1411	# and all this just because we cannot iterate over	1991	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1992	my ($self) = @_;
1415		1993
1416	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1418	}	1997	}
1419		1998
1420	sub unlink_save {	1999	sub unlink_save {
1421	my ($self) = @_;	2000	my ($self) = @_;
1422		2001
…		…
1427		2006
1428	sub load_header_from($) {	2007	sub load_header_from($) {
1429	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1430		2009
1431	utf8::encode $path;	2010	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		2019
1438	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1439		2021
1440	1	2022	1
1441	}	2023	}
…		…
1480	$self->load_header_orig	2062	$self->load_header_orig
1481	or return;	2063	or return;
1482	$self->prepare_orig;	2064	$self->prepare_orig;
1483	}	2065	}
1484		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
1485	$self->default_region (cf::region::find_by_path $self->{path})	2070	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2071	unless $self->default_region;
1487		2072
1488	1	2073	1
1489	}	2074	}
1490		2075
1491	sub find;	2076	sub find;
1492	sub find {	2077	sub find {
1493	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1494		2079
		2080	cf::cede_to_tick;
		2081
1495	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1496		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2086
1499	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1502	or return;	2089	or return;
1503		2090
1504	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1505		2092
1506	$map->load_header	2093	$map->load_header
1507	or return;	2094	or return;
1508		2095
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1512	$map->reset;	2101	$map->reset;
1513	undef $guard;
1514	return find $path;	2102	return find $path;
1515	}	2103	}
1516		2104
1517	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1518	}	2106	}
1519	}	2107	}
1520		2108
1521	sub pre_load { }	2109	sub pre_load { }
1522	sub post_load { }	2110	#sub post_load { } # XS
1523		2111
1524	sub load {	2112	sub load {
1525	my ($self) = @_;	2113	my ($self) = @_;
1526		2114
1527	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1528		2116
1529	my $path = $self->{path};	2117	my $path = $self->{path};
1530		2118
1531	{	2119	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1533		2121
		2122	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2124
1536	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1537		2126
1538	$self->alloc;	2127	$self->alloc;
1539		2128
1540	$self->pre_load;	2129	$self->pre_load;
1541	Coro::cede;	2130	cf::cede_to_tick;
1542		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1544	or return;	2135	or return;
1545		2136
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1547	if delete $self->{load_original};	2138	if delete $self->{load_original};
1548		2139
1549	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2141	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2144	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1554	}	2148	}
1555	}	2149	}
1556		2150
1557	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1558	# now do the right thing for maps	2154	# now do the right thing for maps
1559	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2157	unless $self->difficulty;
1562	Coro::cede;	2158	cf::cede_to_tick;
1563		2159
1564	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2161	$self->decay_objects;
1566	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1567	$self->update_buttons;	2163	$self->update_buttons;
1568	Coro::cede;	2164	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2165	$self->activate;
1572	}	2166	}
1573		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2172	}
1576		2173
1577	$self->post_load;	2174	$self->post_load;
1578	}	2175	}
1579		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2180	sub customise_for {
1581	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1582		2182
1583	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2184	if $self->per_player;
1585		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1586	$self	2189	$self
1587	}	2190	}
1588		2191
1589	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2193	sub load_neighbours {
1591	my ($map) = @_;	2194	my ($map) = @_;
1592		2195
1593	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1594		2197
1595	for (0 .. 3) {	2198	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1597	or next;	2200	or next;
1598	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1599	or next;	2202	or next;
1600	$neigh->load;	2203	$neigh->load;
1601		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2209	}
1605		2210
1606	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1608	or next;	2214	or next;
1609	$neigh->load;	2215	$neigh->load;
1610	}	2216	}
1611	}	2217	}
1612		2218
1613	sub find_sync {	2219	sub find_sync {
1614	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1615		2221
1616	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, $origin
1617	}	2226	}
1618		2227
1619	sub do_load_sync {	2228	sub do_load_sync {
1620	my ($map) = @_;	2229	my ($map) = @_;
1621		2230
1622	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;
1623	}	2235	}
1624		2236
1625	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1627		2239
1628	sub find_async {	2240	sub find_async {
1629	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1630		2242
1631	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1632		2244
1633	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2247	}
1636		2248
1637	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1638	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1639	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2256	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2257	$map->load if $v;
		2258	}
1644		2259
1645	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1646	}	2261	}
1647	}	2262	}
1648	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1649	};	2264	};
1650	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1651		2266
1652	()	2267	()
1653	}	2268	}
1654		2269
		2270	# common code, used by both ->save and ->swapout
1655	sub save {	2271	sub _save {
1656	my ($self) = @_;	2272	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2273
1660	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1661		2275
1662	return unless $self->dirty;	2276	return unless $self->dirty;
1663		2277
…		…
1669	return if $self->{deny_save};	2283	return if $self->{deny_save};
1670		2284
1671	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1672		2286
1673	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1675	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1676		2293
1677	if ($uniq) {	2294	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2297	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2299	}
1683	}	2300	}
1684		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1685	sub swap_out {	2310	sub swap_out {
1686	my ($self) = @_;	2311	my ($self) = @_;
1687		2312
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1693	return if $self->players;	2317	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2328	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2329	}
1700		2330
1701	sub reset_at {	2331	sub reset_at {
1702	my ($self) = @_;	2332	my ($self) = @_;
1703		2333
1704	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1707		2336
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2339
…		…
1721	my ($self) = @_;	2350	my ($self) = @_;
1722		2351
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2353
1725	return if $self->players;	2354	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2355
1728	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1729		2357
1730	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1731		2359
1732	# need to save uniques path	2360	# need to save uniques path
1733	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2365	if $uniq;
1738	}	2366	}
1739		2367
1740	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1741		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2372	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2373
1746	$self->unlink_save;	2374	$self->unlink_save;
1747	$self->destroy;	2375	$self->destroy;
1748	}	2376	}
1749		2377
1750	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1751		2379
1752	sub nuke {	2380	sub nuke {
1753	my ($self) = @_;	2381	my ($self) = @_;
1754		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1755	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1756		2387
1757	$self->unlink_save;	2388	$self->unlink_save;
1758		2389
1759	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2395
1765	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1766		2398
1767	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1768	}	2436	}
1769		2437
1770	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1771		2439
1772	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2441	instantiated unique items. May block.
1774		2442
1775	=cut	2443	=cut
1776		2444
1777	sub unique_maps() {	2445	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2446	[
1779	or return;	2447	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2448	utf8::decode $_;
1785	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2451	? ()
1788	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2454	]
1790
1791	\@paths
1792	}	2455	}
1793		2456
1794	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	}
1795		2488
1796	=back	2489	=back
1797		2490
1798	=head3 cf::object	2491	=head3 cf::object
1799		2492
…		…
1803		2496
1804	=over 4	2497	=over 4
1805		2498
1806	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1807		2500
1808	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.
1809		2503
1810	=cut	2504	=cut
1811		2505
1812	sub inv_recursive_;	2506	sub inv_recursive_;
1813	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1816		2510
1817	sub inv_recursive {	2511	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1819	}	2513	}
1820		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
1821	package cf;	2543	package cf;
1822		2544
1823	=back	2545	=back
1824		2546
1825	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1834		2556
1835	=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	};
1836		2572
1837	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2574	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1842		2578
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2580
1845	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1850	}	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 (@_);
1851	}	2606	}
1852		2607
1853	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1854		2609
1855	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1868		2623
1869	=item $player_object->enter_link	2624	=item $player_object->enter_link
1870		2625
1871	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}>).
1872		2627
1873	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.
1874	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.
1875		2632
1876	Will never block.	2633	Will never block.
1877		2634
1878	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1879		2636
…		…
1899	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2657	my ($self) = @_;
1901		2658
1902	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1903		2660
		2661	++$self->{_link_recursion};
		2662
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2664
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
1908		2667
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2669	}
1911		2670
1912	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
1914		2673
…		…
1931	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1933		2692
1934	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1937		2696
1938	$map->load;	2697	$map->load;
1939	$map->load_diag;	2698	$map->load_neighbours;
1940		2699
1941	return unless $self->contr->active;	2700	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2701
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1946	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
1947		2709
		2710	}
		2711
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2713
1950	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
1951	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
1952	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
1953	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 >>.
1954		2722
1955	=cut	2723	=cut
1956		2724
1957	our $GOTOGEN;	2725	our $GOTOGEN;
1958		2726
1959	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1960	my ($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	}
1961		2735
1962	# 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
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2738
1965	$self->enter_link;	2739	$self->enter_link;
1966		2740
1967	(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
1968	my $map = eval {	2763	my $map = eval {
1969	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
1970		2765
1971	if ($map) {	2766	if ($map) {
1972	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2769	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2771	}
1977		2772
1978	$map	2773	$map
1979	};	2774	};
1980		2775
…		…
1985		2780
1986	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
1989	}	2784	}
		2785
		2786	$done->($self) if $done;
1990	})->prio (1);	2787	})->prio (1);
1991	}	2788	}
1992		2789
1993	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1994		2791
…		…
2014	}	2811	}
2015		2812
2016	sub prepare_random_map {	2813	sub prepare_random_map {
2017	my ($exit) = @_;	2814	my ($exit) = @_;
2018		2815
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2818	# that depends on the exit object
2024		2819
2025	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2822	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2032	}	2829	}
2033		2830
2034	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2035		2832
2036	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2039		2836
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2839	undef $fh;
2043	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2044		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2047	}	2848	}
2048	}	2849	}
2049		2850
2050	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2052		2853
2053	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2054		2855
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2856	$self->enter_link;
2067		2857
2068	(async {	2858	(async {
2069	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2072		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
2073	1;	2882	1
2074	}) {	2883	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2888
2080	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2890	$self->leave_link;
2082	}	2891	}
2083	})->prio (1);	2892	})->prio (1);
2084	}	2893	}
2085		2894
…		…
2099		2908
2100	utf8::encode $text;	2909	utf8::encode $text;
2101	$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);
2102	}	2911	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2105		3101
2106	Sends an exti event to the client.	3102	Sends an ext event to the client.
2107		3103
2108	=cut	3104	=cut
2109		3105
2110	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2112		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	3133	}
2116		3134
2117	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2118		3136
2119	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3140
2123	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
2124	reliable at some point in the future.	3142	become reliable at some point in the future.
2125		3143
2126	=cut	3144	=cut
2127		3145
2128	sub cf::client::query {	3146	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3155	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3157
2140	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2142	}	3162	}
2143		3163
2144	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	},
2145	on_reply => sub {	3170	on_reply => sub {
2146	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2147		3172
2148	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2149	# get handled first	3174	# get handled first
…		…
2161	} else {	3186	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3188	}
2164	}	3189	}
2165	},	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	},
2166	);	3217	);
2167		3218
2168	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2169		3220
2170	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3237
2187	$coro	3238	$coro
2188	}	3239	}
2189		3240
2190	cf::client->attach (	3241	cf::client->attach (
2191	on_destroy => sub {	3242	on_client_destroy => sub {
2192	my ($ns) = @_;	3243	my ($ns) = @_;
2193		3244
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3246	},
2196	);	3247	);
…		…
2211	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2213		3264
2214	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2215		3266
2216	$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	));
2217		3272
2218	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2219		3274
2220	=pod	3275	=pod
2221		3276
2222	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2223		3278
2224	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
2225	cf::object::player player	3284	cf::object::player
2226	cf::player peaceful	3285	player
2227	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2228		3292
2229	=cut	3293	=cut
2230		3294
2231	for (	3295	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2236	) {	3302	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3305	for @funs;
2241	}	3306	}
2242		3307
…		…
2257		3322
2258	my $qcode = $code;	3323	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2261		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2262	local $_;	3330	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3331
2265	my $eval =	3332	my $eval =
2266	"do {\n"	3333	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3336	. $code
2270	. "\n}"	3337	. "\n}"
2271	;	3338	;
2272		3339
		3340	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3349
2277	if ($@) {	3350	if ($@) {
2278	warn "$@";	3351	warn "$@",
2279	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2281	}	3354	}
2282		3355
2283	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2284	}	3357	}
2285		3358
…		…
2299	=cut	3372	=cut
2300		3373
2301	sub register_script_function {	3374	sub register_script_function {
2302	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2303		3376
2304	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2306	}	3379	}
2307		3380
2308	=back	3381	=back
2309		3382
2310	=cut	3383	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3384
2484	#############################################################################	3385	#############################################################################
2485	# the server's init and main functions	3386	# the server's init and main functions
2486		3387
2487	sub load_facedata($) {	3388	sub load_facedata($) {
2488	my ($path) = @_;	3389	my ($path) = @_;
2489		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
2490	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2491		3398
2492	my $facedata;
2493	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2494	or die "$path: $!";	3400	or die "$path: $!";
2495		3401
2496	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2497		3403
2498	$facedata->{version} == 2	3404	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3416	{
2502	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2503		3418
2504	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3426
		3427	cf::cede_to_tick;
2510	}	3428	}
2511		3429
2512	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2514	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2515	or next;	3434	or next;
		3435
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3439	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3441	}
2521	Coro::cede;	3442
		3443	cf::cede_to_tick;
2522	}	3444	}
2523	}	3445	}
2524		3446
2525	{	3447	{
2526	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2527		3449
2528	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3452	cf::cede_to_tick;
2531	}	3453	}
2532		3454
2533	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2534	}	3456	}
2535		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} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2536	1	3477	1
2537	}	3478	}
2538		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($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	$status
		3496	}
		3497
2539	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2540	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2541	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 $_->{match};
		3509	}
2542	}	3510	}
2543		3511
2544	sub reload_facedata {	3512	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3522	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2557	}	3525	}
2558		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 => $face;
		3547	}
		3548	}
		3549
2559	sub reload_resources {	3550	sub reload_resources {
2560	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2561		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2562	reload_regions;	3558	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3559	reload_treasures;
2566		3560
2567	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2568	}	3562	}
2569		3563
2570	sub init {	3564	sub reload_config {
2571	reload_resources;	3565	trace "reloading config file...\n";
2572	}
2573		3566
2574	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2576	or return;
2577		3569
2578	local $/;	3570	utf8::decode $config;
2579	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2580		3572
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3574
2583	$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};
2584	$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};
2585		3577
2586	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2590	};	3582	};
2591	warn $@ if $@;	3583	warn $@ if $@;
2592	}	3584	}
2593	}	3585	}
2594		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
2595	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
2596	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2598	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#
2599	(async {	3628	(async {
2600	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2602	};	3632	};
2603		3633
2604	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;
2605	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
2606	load_extensions;	3657	load_extensions;
2607		3658
2608	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2609	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;
2610	}	3677	}
2611		3678
2612	#############################################################################	3679	#############################################################################
2613	# initialisation and cleanup	3680	# initialisation and cleanup
2614		3681
2615	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2616	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2625	},
2626	);	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
2627	}	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 };
2628	}	3778	}
2629		3779
2630	sub emergency_save() {	3780	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2632		3782
2633	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;
2634		3789
2635	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2636	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3801	$pl->save;
2644	}	3802	}
2645	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2646		3804
2647	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";
2648	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3810	$map->valid or next;
2651	$map->save;	3811	$map->save;
2652	}	3812	}
2653	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2654		3814
2655	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";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2657	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 $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3843	};
2659		3844
2660	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2661	}	3846	}
2662		3847
2663	sub post_cleanup {	3848	sub post_cleanup {
2664	my ($make_core) = @_;	3849	my ($make_core) = @_;
2665		3850
		3851	IO::AIO::flush;
		3852
2666	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2667	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	}
2668	}	3883	}
2669		3884
2670	sub do_reload_perl() {	3885	sub do_reload_perl() {
2671	# can/must only be called in main	3886	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2673	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2674	return;	3889	return;
2675	}	3890	}
2676		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2677	warn "reloading...";	3898	info "reloading...";
2678		3899
2679	warn "entering sync_job";	3900	trace "entering sync_job";
2680		3901
2681	cf::sync_job {	3902	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3903	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3904
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3907	%EXT_CORO = ();
2710		3908
2711	warn "removing commands";	3909	trace "removing commands";
2712	%COMMAND = ();	3910	%COMMAND = ();
2713		3911
2714	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2715	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2716		3915
2717	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2720		3919
2721	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3921	eval {
2723	$cb->($pkg);	3922	$cb->($pkg);
2724	1	3923	1
2725	} 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;
2726	}	3929	}
2727		3930
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3934
2736	warn "... unloading $k";	3935	trace "... unloading $k";
2737	delete $INC{$k};	3936	delete $INC{$k};
2738		3937
2739	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2741		3940
2742	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2744	}	3946	}
2745		3947
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2751	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);
2752		3951
2753	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3955
2757	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3957	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2760		3959
2761	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2762		3961
2763	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2764	require cf;	3963	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2766		3965
2767	warn "loading config and database again";	3966	trace "loading config and database again";
2768	cf::cfg_load;	3967	cf::reload_config;
2769		3968
2770	warn "loading extensions";	3969	trace "loading extensions";
2771	cf::load_extensions;	3970	cf::load_extensions;
2772		3971
		3972	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2779		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2780	warn "leaving sync_job";	3984	trace "leaving sync_job";
2781		3985
2782	1	3986	1
2783	} or do {	3987	} or do {
2784	warn $@;	3988	error $@;
2785	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2786	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2787	};	3994	}
2788		3995
2789	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2790	};	3998	};
2791		3999
2792	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2793		4001
2794	sub reload_perl() {	4002	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2797		4005
2798	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4008
2801	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4010	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2805	},	4012	};
2806	);	4013	};
2807	}	4014	}
2808		4015
2809	register_command "reload" => sub {	4016	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2811		4018
2812	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4023	reload_perl;
		4024	};
2815	}	4025	}
2816	};	4026	};
2817		4027
2818	unshift @INC, $LIBDIR;	4028	#############################################################################
2819		4029
2820	my $bug_warning = 0;	4030	my $bug_warning = 0;
2821		4031
2822	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2824		4034
2825	sub wait_for_tick {	4035	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		4037
2829	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	4040	$signal->wait;
2832	}	4041	}
2833		4042
2834	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4045
2838	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4048	$signal->wait;
2841	}	4049	}
2842		4050
2843	my $min = 1e6;#d#	4051	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2853	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"
2854	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2855	return;	4055	return;
2856	}	4056	}
2857		4057
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2861		4059
2862	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4061
2868	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4064	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4066	write_runtime_sync
2873		4067	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4068	};
		4069	}
2884		4070
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4072	$sig->send;
2901	}	4073	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4075	$sig->send;
2904	}	4076	}
2905		4077
2906	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4080
2917	_post_tick;	4081	if (0) {
2918		4082	if ($NEXT_TICK) {
2919		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
2920	},	4087	}
2921	);	4088	}
2922		4089
2923	{	4090	{
2924	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4092
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2934		4094	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4096
2950	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2951	$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);
2952		4104
2953	cf::sync_job {	4105	cf::sync_job {
2954	eval {	4106	eval {
2955	BDB::db_env_open	4107	BDB::db_env_open
2956	$DB_ENV,	4108	$DB_ENV,
…		…
2958	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
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4112	0666;
2961		4113
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4115	};
2967		4116
2968	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4118	};
2970	}	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	};
2971	}	4130	}
2972		4131
2973	{	4132	{
		4133	# configure IO::AIO
		4134
2974	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4138	}
2987		4139
2988	my $_log_backtrace;	4140	my $_log_backtrace;
2989		4141
2990	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
2994		4146
2995	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
2998	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
2999	my @bt = fork_call {	4154	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	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 |"
3003	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3011	}	4166	}
3012		4167
3013	@funcs	4168	@funcs
3014	};	4169	};
3015		4170
3016	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4174	--$_log_backtrace;
3019	};	4175	};
3020	} else {	4176	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4179	}
3024	}	4180	}
3025		4181
3026	# load additional modules	4182	# load additional modules
3027	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3028		4185
3029	END { cf::emergency_save }	4186	END { cf::emergency_save }
3030		4187
3031	1	4188	1
3032		4189

Diff Legend

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