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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	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	240	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.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
		319
		320	#############################################################################
211		321
212	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
213		323
214	=over 4	324	=over 4
215		325
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	345	$d
236	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
237	}	347	}
238		348
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
242		350
243	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
244		352
245	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
246		354
247	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
248		356
		357	=cut
		358
		359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		360
		361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
		406
249	=item cf::lock_wait $string	407	=item cf::lock_wait $string
250		408
251	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
252		410
253	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
254		412
255	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
258	returned.	416	returned.
259		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
260	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
262		423
263	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
264		425
265	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
266		427
267	=cut	428	=cut
268		429
269	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
270		431
271	sub lock_wait($) {	432	sub lock_wait($) {
272	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	434	}
280		435
281	sub lock_acquire($) {	436	sub lock_acquire($) {
282	my ($key) = @_;	437	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	438	}
294		439
295	sub lock_active($) {	440	sub lock_active($) {
296	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	442	}
300		443
301	sub freeze_mainloop {	444	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
303		446
304	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
306	};	514	}
307	$TICK_WATCHER->stop;	515	};
308	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
309	}	530	}
310		531
311	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
312		533
313	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		539
319	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
320		541
321	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
322		543
323	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
326		548
327	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
330	fast or be very important.	552	fast or be very important.
…		…
332	=cut	554	=cut
333		555
334	sub sync_job(&) {	556	sub sync_job(&) {
335	my ($job) = @_;	557	my ($job) = @_;
336		558
337	if ($Coro::current == $Coro::main) {	559	if (in_main) {
338	my $time = Event::time;	560	my $time = AE::time;
339		561
340	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
342		564
343	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	566
345	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
346		568
347	my $busy = 1;	569	my $busy = 1;
348	my @res;	570	my @res;
349		571
350	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	574	@res = eval { $job->() };
352	warn $@ if $@;	575	error $@ if $@;
353	undef $busy;	576	undef $busy;
354	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
355		578
356	while ($busy) {	579	while ($busy) {
357	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
358	}	584	}
		585	}
359		586
360	$time = Event::time - $time;	587	my $time = AE::time - $time;
361		588
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	589	$TICK_START += $time; # do not account sync jobs to server load
366		590
367	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
368	} else {	592	} else {
369	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
370		594
…		…
390	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
391		615
392	$coro	616	$coro
393	}	617	}
394		618
395	sub write_runtime {	619	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		620
398	# first touch the runtime file to show we are still running:	621	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
400		625
401	IO::AIO::aio_utime $runtime, undef, undef;	626	=cut
402		627
403	my $guard = cf::lock_acquire "write_runtime";	628	sub post_fork {
		629	reset_signals;
		630	}
404		631
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	632	sub fork_call(&@) {
406	or return;	633	my ($cb, @args) = @_;
407		634
408	my $value = $cf::RUNTIME + 90 + 10;	635	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	636	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	637	# TODO: investigate and fix (likely this will be rather laborious)
411		638
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	639	my @res = Coro::Util::fork_eval {
413	and return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
414		643
415	# always fsync - this file is important	644	wantarray ? @res : $res[-1]
416	aio_fsync $fh	645	}
417	and return;
418		646
419	# touch it again to show we are up-to-date	647	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
		720
		721	our $DB;
		722
		723	sub db_init {
		724	$DB ||= db_table "db";
		725	}
		726
		727	sub db_get($$) {
		728	my $key = "$_[0]/$_[1]";
		729
		730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
		733	BDB::db_get $DB, undef, $key, my $data;
		734
		735	$! ? ()
		736	: $data
		737	}
		738
		739	sub db_put($$$) {
		740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
		743
		744	=item cf::cache $id => [$paths...], $processversion => $process
		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
		809	}
		810
		811	db_get cache => "$id/data"
431	}	812	}
432		813
433	=item cf::datalog type => key => value, ...	814	=item cf::datalog type => key => value, ...
434		815
435	Log a datalog packet of the given type with the given key-value pairs.	816	Log a datalog packet of the given type with the given key-value pairs.
436		817
437	=cut	818	=cut
438		819
439	sub datalog($@) {	820	sub datalog($@) {
440	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	823	}
443		824
444	=back	825	=back
445		826
446	=cut	827	=cut
447		828
448	#############################################################################	829	#############################################################################
449		830
450	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
451		832
452	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
455		836
456	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	839	Deliantra).
459		840
460	=over 4	841	=over 4
461		842
462	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
463		844
…		…
507	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
508		889
509	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
511		892
512	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
514		895
515	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
516		897
517	=over 4	898	=over 4
…		…
641		1022
642	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1025
645	} elsif (ref $type) {	1026	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
647		1028
648	} else {	1029	} else {
649	shift @arg;	1030	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
651	}	1032	}
652	}	1033	}
653	}	1034	}
654		1035
655	sub _object_attach {	1036	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
666	}	1047	}
667		1048
668	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
669	} else {	1050	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1052	}
672		1053
673	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
674	}	1055	}
675		1056
…		…
715	";	1096	";
716	die if $@;	1097	die if $@;
717	}	1098	}
718		1099
719	our $override;	1100	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1102
722	sub override {	1103	sub override {
723	$override = 1;	1104	$override = 1;
724	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
725	}	1106	}
726		1107
727	sub do_invoke {	1108	sub do_invoke {
728	my $event = shift;	1109	my $event = shift;
729	my $callbacks = shift;	1110	my $callbacks = shift;
730		1111
731	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
732		1113
733	local $override;	1114	local $override;
734		1115
735	for (@$callbacks) {	1116	for (@$callbacks) {
736	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
737		1118
738	if ($@) {	1119	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1121	override;
742	}	1122	}
743		1123
744	return 1 if $override;	1124	return 1 if $override;
745	}	1125	}
746		1126
747	0	1127	0
748	}	1128	}
749		1129
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1131
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1133
754	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
755		1135
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1139
760	=back	1140	=back
761		1141
762	=cut	1142	=cut
763		1143
764	#############################################################################	1144	#############################################################################
765	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
766		1188
767	sub reattach {	1189	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1191	my ($obj) = @_;
770		1192
		1193	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1195
773	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
774		1197
775	@$registry = ();	1198	@$registry = ();
776		1199
…		…
781	for (@$attach) {	1204	for (@$attach) {
782	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
784	}	1207	}
785	} else {	1208	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1210	}
788	}	1211	}
789	}	1212	}
790		1213
791	cf::attachable->attach (	1214	cf::attachable->attach (
792	prio => -1000000,	1215	prio => -1000000,
793	on_instantiate => sub {	1216	on_instantiate => sub {
794	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
795		1218
796	$data = from_json $data;	1219	$data = decode_json $data;
797		1220
798	for (@$data) {	1221	for (@$data) {
799	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
800		1223
801	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1240	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
819		1242
820	sync_job {	1243	sync_job {
821	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
824		1249
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
829	close $fh;	1257	aio_close $fh;
830		1258
831	if (@$objs) {	1259	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
837	close $fh;	1268	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
839	}	1270	}
840	} else {	1271	} else {
841	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
842	}	1273	}
843		1274
844	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1279	} else {
846	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
847	}	1281	}
848	} else {	1282	} else {
849	aio_unlink $filename;	1283	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
851	}	1285	}
852	}	1286	};
853	}	1287	}
854		1288
855	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
857		1291
…		…
869	or return;	1303	or return;
870		1304
871	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
873	or return;	1307	or return;
		1308
874	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
875	}	1311	}
876		1312
		1313	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
879	return ($data, $av);	1318	($data, $av)
880	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
881		1326
882	#############################################################################	1327	#############################################################################
883	# command handling &c	1328	# command handling &c
884		1329
885	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1344	}
900		1345
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1347
903	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
904		1353
905	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
906	called.	1355	called.
907		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
908	=cut	1368	=cut
909		1369
910	sub register_extcmd {	1370	sub register_extcmd {
911	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
912		1372
913	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
914	}	1374	}
915		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
916	cf::player->attach (	1384	cf::player->attach (
917	on_command => sub {	1385	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
919		1387
920	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
921	or return;	1389	or return;
922		1390
…		…
927	cf::override;	1395	cf::override;
928	},	1396	},
929	on_extcmd => sub {	1397	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
931		1399
932	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1401
934	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
940	} else {	1417	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1419	}
943		1420
944	cf::override;	1421	cf::override;
945	},	1422	},
946	);	1423	);
947		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
948	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
949	cf::sync_job {	1441	cf::sync_job {
950	my %todo;	1442	my %todo;
951		1443
952	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1445	next unless -r $path;
…		…
967	path => $path,	1459	path => $path,
968	base => $base,	1460	base => $base,
969	pkg => $pkg,	1461	pkg => $pkg,
970	);	1462	);
971		1463
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1466
975	$ext{source} =	1467	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
978	. $source	1470	. $source
979	. "\n};\n1";	1471	. "\n};\n1";
980		1472
981	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
982	}	1474	}
983		1475
		1476	my $pass = 0;
984	my %done;	1477	my %done;
985	while (%todo) {	1478	while (%todo) {
986	my $progress;	1479	my $progress;
987		1480
		1481	++$pass;
		1482
		1483	ext:
988	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1486	next ext
991	unless exists $done{$_};	1487	unless exists $done{$_};
992	}	1488	}
993		1489
994	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1491
996	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1001	warn $msg;	1499
1002	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1501	delete $todo{$k};
1004	}	1502	} else {
1005		1503	$done{$k} = delete $todo{$k};
1006	die $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1007	}	1509	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1510	}
1012		1511
1013	skip:	1512	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1016	}	1520	}
1017	};	1521	};
1018	}	1522	}
1019		1523
1020	#############################################################################	1524	#############################################################################
1021		1525
		1526	=back
		1527
1022	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1023		1529
1024	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1025		1531
1026	=cut	1532	=cut
1027		1533
1028	package cf::player;	1534	package cf::player;
1029		1535
1030	use Coro::AIO;	1536	use Coro::AIO;
1031		1537
1032	=head3 cf::player	1538	=head3 cf::player
1033		1539
1034	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1035		1555
1036	=item cf::player::find $login	1556	=item cf::player::find $login
1037		1557
1038	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1039		1559
…		…
1058		1578
1059	sub exists($) {	1579	sub exists($) {
1060	my ($login) = @_;	1580	my ($login) = @_;
1061		1581
1062	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1064	}	1584	}
1065		1585
1066	sub find($) {	1586	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1588	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1599
1080	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1083	}	1609	}
1084	}	1610	}
1085	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1086		1625
1087	sub save($) {	1626	sub save($) {
1088	my ($pl) = @_;	1627	my ($pl) = @_;
1089		1628
1090	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1096		1635
1097	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1099		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1100	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1101	Coro::cede;	1645	cf::cede_to_tick;
1102	}	1646	}
1103		1647
1104	sub new($) {	1648	sub new($) {
1105	my ($login) = @_;	1649	my ($login) = @_;
1106		1650
…		…
1112	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1113		1657
1114	$self	1658	$self
1115	}	1659	}
1116		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1117	=item $pl->quit_character	1671	=item $pl->quit_character
1118		1672
1119	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1121		1675
…		…
1125	my ($pl) = @_;	1679	my ($pl) = @_;
1126		1680
1127	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1128		1682
1129	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1685
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1133	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1135	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1136		1694
1137	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1139	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1174	or return [];	1732	or return [];
1175		1733
1176	my @logins;	1734	my @logins;
1177		1735
1178	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1182		1746
1183	utf8::decode $login;	1747	utf8::decode $login;
1184	push @logins, $login;	1748	push @logins, $login;
1185	}	1749	}
1186		1750
1187	\@logins	1751	\@logins
1188	}	1752	}
1189		1753
1190	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1191		1757
1192	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1193	player. May block.	1759	player. May block.
1194		1760
1195	=cut	1761	=cut
…		…
1213	}	1779	}
1214		1780
1215	\@paths	1781	\@paths
1216	}	1782	}
1217		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1218	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1219		1789
1220	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1221		1791
1222	=cut	1792	=cut
1223		1793
1224	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1226		1796
1227	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1798	}
1231		1799
1232	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1233		1801
1234	Sends an ext event to the client.	1802	Sends an ext event to the client.
1235		1803
1236	=cut	1804	=cut
1237		1805
1238	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1240		1808
1241	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1242	}	1810	}
1243		1811
1244	=head3 cf::region	1812	=head3 cf::region
1245		1813
1246	=over 4	1814	=over 4
…		…
1249		1817
1250	package cf::region;	1818	package cf::region;
1251		1819
1252	=item cf::region::find_by_path $path	1820	=item cf::region::find_by_path $path
1253		1821
1254	Tries to decuce the probable region for a map knowing only its path.	1822	Tries to decuce the likely region for a map knowing only its path.
1255		1823
1256	=cut	1824	=cut
1257		1825
1258	sub find_by_path($) {	1826	sub find_by_path($) {
1259	my ($path) = @_;	1827	my ($path) = @_;
1260		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1261	my ($match, $specificity);	1831	my ($match, $specificity);
1262		1832
1263	for my $region (list) {	1833	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1267	}	1837	}
1268	}	1838	}
1269		1839
…		…
1290	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1292		1862
1293	sub generate_random_map {	1863	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1295	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1296	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1308	)
1309	}	1869	}
1310		1870
1311	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1312		1872
1313	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1318		1878
1319	sub register {	1879	sub register {
1320	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1881	my $pkg = caller;
1322		1882
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1884
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1886	}
1328		1887
1329	# also paths starting with '/'	1888	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1890
1332	sub thawer_merge {	1891	sub thawer_merge {
1333	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1334		1893
1335	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1340	}	1899	}
1341		1900
1342	sub normalise {	1901	sub normalise {
1343	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1344		1903
1345	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1346		1905
1347	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1348		1907
1349	# map plan:	1908	# map plan:
1350	#	1909	#
…		…
1365	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1366	$path = "$base/$path";	1925	$path = "$base/$path";
1367	}	1926	}
1368		1927
1369	for ($path) {	1928	for ($path) {
1370	redo if s{//}{/};
1371	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1372	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1373	}	1931	}
1374		1932
1375	$path	1933	$path
…		…
1389	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1390	return $self;	1948	return $self;
1391	}	1949	}
1392	}	1950	}
1393		1951
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1953	()
1396	}	1954	}
1397		1955
1398	sub init {	1956	sub init {
1399	my ($self) = @_;	1957	my ($self) = @_;
…		…
1421		1979
1422	# the temporary/swap location	1980	# the temporary/swap location
1423	sub save_path {	1981	sub save_path {
1424	my ($self) = @_;	1982	my ($self) = @_;
1425		1983
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1428	}	1986	}
1429		1987
1430	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1431	sub uniq_path {	1989	sub uniq_path {
1432	my ($self) = @_;	1990	my ($self) = @_;
1433		1991
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1994	}
1446		1995
1447	sub decay_objects {	1996	sub decay_objects {
1448	my ($self) = @_;	1997	my ($self) = @_;
1449		1998
…		…
1462		2011
1463	sub load_header_from($) {	2012	sub load_header_from($) {
1464	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1465		2014
1466	utf8::encode $path;	2015	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1472		2024
1473	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1474		2026
1475	1	2027	1
1476	}	2028	}
…		…
1528		2080
1529	sub find;	2081	sub find;
1530	sub find {	2082	sub find {
1531	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1532		2084
		2085	cf::cede_to_tick;
		2086
1533	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1534		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2091
1537	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1540	or return;	2094	or return;
1541		2095
1542	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1543		2097
…		…
1545	or return;	2099	or return;
1546		2100
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1550	$map->reset;	2106	$map->reset;
1551	undef $guard;
1552	return find $path;	2107	return find $path;
1553	}	2108	}
1554		2109
1555	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1556	}	2111	}
1557	}	2112	}
1558		2113
1559	sub pre_load { }	2114	sub pre_load { }
1560	sub post_load { }	2115	#sub post_load { } # XS
1561		2116
1562	sub load {	2117	sub load {
1563	my ($self) = @_;	2118	my ($self) = @_;
1564		2119
1565	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1566		2121
1567	my $path = $self->{path};	2122	my $path = $self->{path};
1568		2123
1569	{	2124	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1571		2126
		2127	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2129
1574	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1575		2131
1576	$self->alloc;	2132	$self->alloc;
1577		2133
1578	$self->pre_load;	2134	$self->pre_load;
1579	Coro::cede;	2135	cf::cede_to_tick;
1580		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1582	or return;	2140	or return;
1583		2141
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1585	if delete $self->{load_original};	2143	if delete $self->{load_original};
1586		2144
1587	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2146	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2149	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1592	}	2153	}
1593	}	2154	}
1594		2155
1595	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1596	# now do the right thing for maps	2159	# now do the right thing for maps
1597	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2162	unless $self->difficulty;
1600	Coro::cede;	2163	cf::cede_to_tick;
1601		2164
1602	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2166	$self->decay_objects;
1604	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1605	$self->update_buttons;	2168	$self->update_buttons;
1606	Coro::cede;	2169	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2170	$self->activate;
1610	}	2171	}
1611		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2177	}
1614		2178
1615	$self->post_load;	2179	$self->post_load;
1616	}
1617		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2187	sub customise_for {
1619	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1620		2189
1621	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2191	if $self->per_player;
…		…
1626		2195
1627	$self	2196	$self
1628	}	2197	}
1629		2198
1630	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2200	sub load_neighbours {
1632	my ($map) = @_;	2201	my ($map) = @_;
1633		2202
1634	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1635		2204
1636	for (0 .. 3) {	2205	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1638	or next;	2207	or next;
1639	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1640	or next;	2209	or next;
1641	$neigh->load;	2210	$neigh->load;
1642		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2216	}
1646		2217
1647	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1649	or next;	2221	or next;
1650	$neigh->load;	2222	$neigh->load;
1651	}	2223	}
1652	}	2224	}
1653		2225
1654	sub find_sync {	2226	sub find_sync {
1655	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1656		2228
1657	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1658	}	2233	}
1659		2234
1660	sub do_load_sync {	2235	sub do_load_sync {
1661	my ($map) = @_;	2236	my ($map) = @_;
1662		2237
1663	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1664	}	2242	}
1665		2243
1666	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1668		2246
1669	sub find_async {	2247	sub find_async {
1670	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1671		2249
1672	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1673		2251
1674	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2254	}
1677		2255
1678	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1679	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1680	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2263	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2264	$map->load if $v;
		2265	}
1685		2266
1686	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1687	}	2268	}
1688	}	2269	}
1689	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1690	};	2271	};
1691	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1692		2273
1693	()	2274	()
1694	}	2275	}
1695		2276
		2277	# common code, used by both ->save and ->swapout
1696	sub save {	2278	sub _save {
1697	my ($self) = @_;	2279	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2280
1701	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1702		2282
1703	return unless $self->dirty;	2283	return unless $self->dirty;
1704		2284
…		…
1710	return if $self->{deny_save};	2290	return if $self->{deny_save};
1711		2291
1712	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1713		2293
1714	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1716	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1717		2300
1718	if ($uniq) {	2301	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2304	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2306	}
1724	}	2307	}
1725		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1726	sub swap_out {	2317	sub swap_out {
1727	my ($self) = @_;	2318	my ($self) = @_;
1728		2319
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1734	return if $self->players;	2324	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1738	$self->clear;	2335	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2336	}
1741		2337
1742	sub reset_at {	2338	sub reset_at {
1743	my ($self) = @_;	2339	my ($self) = @_;
1744		2340
…		…
1762		2358
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2360
1765	return if $self->players;	2361	return if $self->players;
1766		2362
1767	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
1768		2364
1769	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1770		2366
1771	# need to save uniques path	2367	# need to save uniques path
1772	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2372	if $uniq;
1777	}	2373	}
1778		2374
1779	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1780		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2379	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2380
1785	$self->unlink_save;	2381	$self->unlink_save;
1786	$self->destroy;	2382	$self->destroy;
1787	}	2383	}
1788		2384
1789	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1790		2386
1791	sub nuke {	2387	sub nuke {
1792	my ($self) = @_;	2388	my ($self) = @_;
1793		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1794	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1795		2394
1796	$self->unlink_save;	2395	$self->unlink_save;
1797		2396
1798	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2402
1804	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1805		2405
1806	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
1807	}	2407	}
1808		2408
1809	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
1851		2451
1852	sub unique_maps() {	2452	sub unique_maps() {
1853	[	2453	[
1854	map {	2454	map {
1855	utf8::decode $_;	2455	utf8::decode $_;
1856	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
1857	? normalise $_	2459	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2461	]
1861	}	2462	}
1862		2463
1863	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1864		2495
1865	=back	2496	=back
1866		2497
1867	=head3 cf::object	2498	=head3 cf::object
1868		2499
…		…
1872		2503
1873	=over 4	2504	=over 4
1874		2505
1875	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1876		2507
1877	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1878		2510
1879	=cut	2511	=cut
1880		2512
1881	sub inv_recursive_;	2513	sub inv_recursive_;
1882	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1885		2517
1886	sub inv_recursive {	2518	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1888	}	2520	}
1889		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1890	package cf;	2550	package cf;
1891		2551
1892	=back	2552	=back
1893		2553
1894	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1903		2563
1904	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1905		2579
1906	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2581	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1911		2585
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2587
1914	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1916	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1919	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1920	}	2613	}
1921		2614
1922	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1923		2616
1924	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1937		2630
1938	=item $player_object->enter_link	2631	=item $player_object->enter_link
1939		2632
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2634
1942	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1944		2639
1945	Will never block.	2640	Will never block.
1946		2641
1947	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1948		2643
…		…
1968	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2664	my ($self) = @_;
1970		2665
1971	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1972		2667
		2668	++$self->{_link_recursion};
		2669
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2671
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
1977		2674
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2676	}
1980		2677
1981	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
1983		2680
…		…
2000	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2002		2699
2003	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2006		2703
2007	$map->load;	2704	$map->load;
2008	$map->load_diag;	2705	$map->load_neighbours;
2009		2706
2010	return unless $self->contr->active;	2707	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2708
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2015	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2016		2716
		2717	}
		2718
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2720
2019	Moves the player to the given map-path and coordinates by first freezing	2721	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2722	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2723	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
2023		2729
2024	=cut	2730	=cut
2025		2731
2026	our $GOTOGEN;	2732	our $GOTOGEN;
2027		2733
2028	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
2030		2742
2031	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2745
2034	$self->enter_link;	2746	$self->enter_link;
2035		2747
2036	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2037	my $map = eval {	2770	my $map = eval {
2038	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2039		2772
2040	if ($map) {	2773	if ($map) {
2041	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2776	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2778	}
2046		2779
2047	$map	2780	$map
2048	};	2781	};
2049		2782
…		…
2054		2787
2055	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2058	}	2791	}
		2792
		2793	$done->($self) if $done;
2059	})->prio (1);	2794	})->prio (1);
2060	}	2795	}
2061		2796
2062	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2063		2798
…		…
2083	}	2818	}
2084		2819
2085	sub prepare_random_map {	2820	sub prepare_random_map {
2086	my ($exit) = @_;	2821	my ($exit) = @_;
2087		2822
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2825	# that depends on the exit object
2093		2826
2094	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2829	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2101	}	2836	}
2102		2837
2103	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2104		2839
2105	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2108		2843
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2846	undef $fh;
2112	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2113		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2116	}	2855	}
2117	}	2856	}
2118		2857
2119	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2121		2860
2122	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2123		2862
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2863	$self->enter_link;
2136		2864
2137	(async {	2865	(async {
2138	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2139	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2140	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2141		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2142	1;	2889	1
2143	}) {	2890	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2895
2149	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2897	$self->leave_link;
2151	}	2898	}
2152	})->prio (1);	2899	})->prio (1);
2153	}	2900	}
2154		2901
…		…
2168		2915
2169	utf8::encode $text;	2916	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2918	}
2172		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2173	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2174		3108
2175	Sends an exti event to the client.	3109	Sends an ext event to the client.
2176		3110
2177	=cut	3111	=cut
2178		3112
2179	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2181		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2184	}	3140	}
2185		3141
2186	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2187		3143
2188	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3147
2192	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3149	become reliable at some point in the future.
2194		3150
2195	=cut	3151	=cut
2196		3152
2197	sub cf::client::query {	3153	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3162	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3164
2209	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2211	}	3169	}
2212		3170
2213	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2214	on_reply => sub {	3177	on_reply => sub {
2215	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2216		3179
2217	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2218	# get handled first	3181	# get handled first
…		…
2230	} else {	3193	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3195	}
2233	}	3196	}
2234	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2235	);	3224	);
2236		3225
2237	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2238		3227
2239	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3244
2256	$coro	3245	$coro
2257	}	3246	}
2258		3247
2259	cf::client->attach (	3248	cf::client->attach (
2260	on_destroy => sub {	3249	on_client_destroy => sub {
2261	my ($ns) = @_;	3250	my ($ns) = @_;
2262		3251
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3253	},
2265	);	3254	);
…		…
2280	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2282		3271
2283	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2284		3273
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2286		3279
2287	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2288		3281
2289	=pod	3282	=pod
2290		3283
2291	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2292		3285
2293	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2294	cf::object::player player	3291	cf::object::player
2295	cf::player peaceful	3292	player
2296	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2297		3299
2298	=cut	3300	=cut
2299		3301
2300	for (	3302	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2305	) {	3309	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3312	for @funs;
2310	}	3313	}
2311		3314
…		…
2326		3329
2327	my $qcode = $code;	3330	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2330		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2331	local $_;	3337	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3338
2334	my $eval =	3339	my $eval =
2335	"do {\n"	3340	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3343	. $code
2339	. "\n}"	3344	. "\n}"
2340	;	3345	;
2341		3346
		3347	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2345		3356
2346	if ($@) {	3357	if ($@) {
2347	warn "$@";	3358	warn "$@",
2348	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2350	}	3361	}
2351		3362
2352	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2353	}	3364	}
2354		3365
…		…
2368	=cut	3379	=cut
2369		3380
2370	sub register_script_function {	3381	sub register_script_function {
2371	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2372		3383
2373	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2375	}	3386	}
2376		3387
2377	=back	3388	=back
2378		3389
2379	=cut	3390	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3391
2553	#############################################################################	3392	#############################################################################
2554	# the server's init and main functions	3393	# the server's init and main functions
2555		3394
2556	sub load_facedata($) {	3395	sub load_facedata($) {
2557	my ($path) = @_;	3396	my ($path) = @_;
2558		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2559	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2560		3405
2561	my $facedata;
2562	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2563	or die "$path: $!";	3407	or die "$path: $!";
2564		3408
2565	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2566		3410
2567	$facedata->{version} == 2	3411	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2570	{	3423	{
2571	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2572		3425
2573	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2579	}	3436	}
2580		3437
2581	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2583	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2584	or next;	3442	or next;
		3443
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3447	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3449	}
2590	Coro::cede;	3450
		3451	cf::cede_to_tick;
2591	}	3452	}
2592	}	3453	}
2593		3454
2594	{	3455	{
2595	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2596		3457
2597	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3460	cf::cede_to_tick;
2600	}	3461	}
2601		3462
2602	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2603	}	3464	}
2604		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2605	1	3485	1
2606	}	3486	}
2607		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2608	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2609	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2611	}	3518	}
2612		3519
2613	sub reload_facedata {	3520	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3530	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2626	}	3533	}
2627		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2628	sub reload_resources {	3558	sub reload_resources {
2629	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2630		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2631	reload_regions;	3566	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3567	reload_treasures;
2636		3568
2637	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2638	}	3570	}
2639		3571
2640	sub init {	3572	sub reload_config {
2641	reload_resources;	3573	trace "reloading config file...\n";
2642	}
2643		3574
2644	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2646	or return;
2647		3577
2648	local $/;	3578	utf8::decode $config;
2649	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2650		3580
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3582
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3585
2656	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2660	};	3590	};
2661	warn $@ if $@;	3591	warn $@ if $@;
2662	}	3592	}
2663	}	3593	}
2664		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2665	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2666	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3636	(async {
2670	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2672	};	3640	};
2673		3641
2674	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2675	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2676	load_extensions;	3665	load_extensions;
2677		3666
2678	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2680	}	3685	}
2681		3686
2682	#############################################################################	3687	#############################################################################
2683	# initialisation and cleanup	3688	# initialisation and cleanup
2684		3689
2685	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2686	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2695	},
2696	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2697	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2698	}	3786	}
2699		3787
2700	sub emergency_save() {	3788	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2702		3790
2703	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2704		3797
2705	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2706	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3809	$pl->save;
2714	}	3810	}
2715	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2716		3812
2717	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3818	$map->valid or next;
2721	$map->save;	3819	$map->save;
2722	}	3820	}
2723	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2724		3822
2725	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3851	};
2729		3852
2730	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2731	}	3854	}
2732		3855
2733	sub post_cleanup {	3856	sub post_cleanup {
2734	my ($make_core) = @_;	3857	my ($make_core) = @_;
2735		3858
		3859	IO::AIO::flush;
		3860
2736	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2738	}	3891	}
2739		3892
2740	sub do_reload_perl() {	3893	sub do_reload_perl() {
2741	# can/must only be called in main	3894	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2743	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2744	return;	3897	return;
2745	}	3898	}
2746		3899
2747	warn "reloading...";	3900	return if $RELOAD++;
2748		3901
2749	warn "entering sync_job";	3902	my $t1 = AE::time;
2750		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2751	cf::sync_job {	3910	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3911	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3912
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3915	%EXT_CORO = ();
2780		3916
2781	warn "removing commands";	3917	trace "perl_reload: removing commands";
2782	%COMMAND = ();	3918	%COMMAND = ();
2783		3919
2784	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2786		3923
2787	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2790		3927
2791	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3929	eval {
2793	$cb->($pkg);	3930	$cb->($pkg);
2794	1	3931	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2796	}	3937	}
2797		3938
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3942
2806	warn "... unloading $k";	3943	trace "... unloading $k";
2807	delete $INC{$k};	3944	delete $INC{$k};
2808		3945
2809	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2811		3948
2812	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2814	}	3954	}
2815		3955
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3959
2823	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3963
2827	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3965	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2830		3967
2831	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2832		3969
2833	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2834	require cf;	3971	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2836		3973
2837	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	3975	cf::reload_config;
2839		3976
2840	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	3978	cf::load_extensions;
2842		3979
		3980	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
2849		3988
2850	warn "leaving sync_job";	3989	cf::_post_init 1;
2851		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
2852	1	3993	1
2853	} or do {	3994	} or do {
2854	warn $@;	3995	error $@;
2855	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	3997	};
		3998
		3999	--$RELOAD;
2857	};	4000	}
2858		4001
2859	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
2860	};	4004	};
2861		4005
2862	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
2863		4007
2864	sub reload_perl() {	4008	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
2867		4011
2868	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4014
2871	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4016	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
2875	},	4018	};
2876	);	4019	};
2877	}	4020	}
2878		4021
2879	register_command "reload" => sub {	4022	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2881		4024
2882	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4029	reload_perl;
		4030	};
2885	}	4031	}
2886	};	4032	};
2887		4033
2888	unshift @INC, $LIBDIR;	4034	#############################################################################
2889		4035
2890	my $bug_warning = 0;	4036	my $bug_warning = 0;
2891		4037
2892	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
2894		4040
2895	sub wait_for_tick {	4041	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4043
2899	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4046	$signal->wait;
2902	}	4047	}
2903		4048
2904	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4051
2908	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4054	$signal->wait;
2911	}	4055	}
2912		4056
2913	my $min = 1e6;#d#	4057	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2925	return;	4061	return;
2926	}	4062	}
2927		4063
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2931		4065
2932	0 && sync_job {#d#	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4067
2938	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4070	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4072	write_runtime_sync
2943		4073	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4074	};
		4075	}
2954		4076
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4078	$sig->send;
2971	}	4079	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4081	$sig->send;
2974	}	4082	}
2975		4083
2976	$NOW = Event::time;	4084	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4086
2987	_post_tick;	4087	if (0) {
2988		4088	if ($NEXT_TICK) {
2989		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
2990	},	4093	}
2991	);	4094	}
2992		4095
2993	{	4096	{
2994	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4098
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
3004		4100	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4102
3020	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4110
3023	cf::sync_job {	4111	cf::sync_job {
3024	eval {	4112	eval {
3025	BDB::db_env_open	4113	BDB::db_env_open
3026	$DB_ENV,	4114	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4118	0666;
3031		4119
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4121	};
3037		4122
3038	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4124	};
3040	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3041	}	4136	}
3042		4137
3043	{	4138	{
		4139	# configure IO::AIO
		4140
3044	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4144	}
3057		4145
3058	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3059		4148
3060	sub _log_backtrace {	4149	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3062		4151
3063	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3064		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3068	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3069	my @bt = fork_call {	4165	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3081	}	4177	}
3082		4178
3083	@funcs	4179	@funcs
3084	};	4180	};
3085		4181
3086	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4185	--$_log_backtrace;
3089	};	4186	};
3090	} else {	4187	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4190	}
3094	}	4191	}
3095		4192
3096	# load additional modules	4193	# load additional modules
3097	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3098		4196
3099	END { cf::emergency_save }	4197	END { cf::emergency_save }
3100		4198
3101	1	4199	1
3102		4200

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