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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 1.550 by root, Fri May 14 22:56:47 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
249	=item cf::lock_wait $string	405	=item cf::lock_wait $string
250		406
251	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
252		408
253	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
254		410
255	Wait until the given lock is available and then acquires it and returns	411	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,	412	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	413	for example when the coroutine gets canceled), the lock is automatically
258	returned.	414	returned.
259		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
260	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
262		421
263	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
264		423
265	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
266		425
267	=cut	426	=cut
268		427
269	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
270		429
271	sub lock_wait($) {	430	sub lock_wait($) {
272	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	432	}
280		433
281	sub lock_acquire($) {	434	sub lock_acquire($) {
282	my ($key) = @_;	435	$LOCKS->guard ($_[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	}	436	}
294		437
295	sub lock_active($) {	438	sub lock_active($) {
296	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	440	}
300		441
301	sub freeze_mainloop {	442	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
303		444
304	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
306	};	512	}
307	$TICK_WATCHER->stop;	513	};
308	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
309	}	528	}
310		529
311	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
312		531
313	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		537
319	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
320		539
321	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
322		541
323	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
326		546
327	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
330	fast or be very important.	550	fast or be very important.
…		…
332	=cut	552	=cut
333		553
334	sub sync_job(&) {	554	sub sync_job(&) {
335	my ($job) = @_;	555	my ($job) = @_;
336		556
337	if ($Coro::current == $Coro::main) {	557	if (in_main) {
338	my $time = Event::time;	558	my $time = AE::time;
339		559
340	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
342		562
343	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	564
345	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
346		566
347	my $busy = 1;	567	my $busy = 1;
348	my @res;	568	my @res;
349		569
350	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	572	@res = eval { $job->() };
352	warn $@ if $@;	573	error $@ if $@;
353	undef $busy;	574	undef $busy;
354	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
355		576
356	while ($busy) {	577	while ($busy) {
357	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
358	}	582	}
		583	}
359		584
360	$time = Event::time - $time;	585	my $time = AE::time - $time;
361		586
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	587	$TICK_START += $time; # do not account sync jobs to server load
366		588
367	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
368	} else {	590	} else {
369	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
370		592
…		…
390	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
391		613
392	$coro	614	$coro
393	}	615	}
394		616
395	sub write_runtime {	617	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		618
398	# first touch the runtime file to show we are still running:	619	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
400		623
401	IO::AIO::aio_utime $runtime, undef, undef;	624	=cut
402		625
403	my $guard = cf::lock_acquire "write_runtime";	626	sub post_fork {
		627	reset_signals;
		628	}
404		629
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	630	sub fork_call(&@) {
406	or return;	631	my ($cb, @args) = @_;
407		632
408	my $value = $cf::RUNTIME + 90 + 10;	633	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	634	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	635	# TODO: investigate and fix (likely this will be rather laborious)
411		636
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	637	my @res = Coro::Util::fork_eval {
413	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
414		641
415	# always fsync - this file is important	642	wantarray ? @res : $res[-1]
416	aio_fsync $fh	643	}
417	and return;
418		644
419	# touch it again to show we are up-to-date	645	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	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
431	}	810	}
432		811
433	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
434		813
435	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
436		815
437	=cut	816	=cut
438		817
439	sub datalog($@) {	818	sub datalog($@) {
440	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	821	}
443		822
444	=back	823	=back
445		824
446	=cut	825	=cut
447		826
448	#############################################################################	827	#############################################################################
449		828
450	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
451		830
452	Many objects in crossfire are so-called attachable objects. That means you can	831	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")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
455		834
456	In the following description, CLASS can be any of C<global>, C<object>	835	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	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	837	Deliantra).
459		838
460	=over 4	839	=over 4
461		840
462	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
463		842
…		…
507	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
508		887
509	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
511		890
512	Some classes such as crossfire maps and objects can specify attachments	891	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.	892	that are attached at load/instantiate time, thus the need for a name.
514		893
515	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
516		895
517	=over 4	896	=over 4
…		…
641		1020
642	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1023
645	} elsif (ref $type) {	1024	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
647		1026
648	} else {	1027	} else {
649	shift @arg;	1028	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
651	}	1030	}
652	}	1031	}
653	}	1032	}
654		1033
655	sub _object_attach {	1034	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
666	}	1045	}
667		1046
668	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
669	} else {	1048	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1050	}
672		1051
673	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
674	}	1053	}
675		1054
…		…
715	";	1094	";
716	die if $@;	1095	die if $@;
717	}	1096	}
718		1097
719	our $override;	1098	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1100
722	sub override {	1101	sub override {
723	$override = 1;	1102	$override = 1;
724	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
725	}	1104	}
726		1105
727	sub do_invoke {	1106	sub do_invoke {
728	my $event = shift;	1107	my $event = shift;
729	my $callbacks = shift;	1108	my $callbacks = shift;
730		1109
731	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
732		1111
733	local $override;	1112	local $override;
734		1113
735	for (@$callbacks) {	1114	for (@$callbacks) {
736	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
737		1116
738	if ($@) {	1117	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1119	override;
742	}	1120	}
743		1121
744	return 1 if $override;	1122	return 1 if $override;
745	}	1123	}
746		1124
747	0	1125	0
748	}	1126	}
749		1127
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1129
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1131
754	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
755		1133
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	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	1135	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1137
760	=back	1138	=back
761		1139
762	=cut	1140	=cut
763		1141
764	#############################################################################	1142	#############################################################################
765	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
766		1186
767	sub reattach {	1187	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1189	my ($obj) = @_;
770		1190
		1191	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1193
773	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
774		1195
775	@$registry = ();	1196	@$registry = ();
776		1197
…		…
781	for (@$attach) {	1202	for (@$attach) {
782	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
784	}	1205	}
785	} else {	1206	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1208	}
788	}	1209	}
789	}	1210	}
790		1211
791	cf::attachable->attach (	1212	cf::attachable->attach (
792	prio => -1000000,	1213	prio => -1000000,
793	on_instantiate => sub {	1214	on_instantiate => sub {
794	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
795		1216
796	$data = from_json $data;	1217	$data = decode_json $data;
797		1218
798	for (@$data) {	1219	for (@$data) {
799	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
800		1221
801	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1238	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
819		1240
820	sync_job {	1241	sync_job {
821	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
824		1247
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
829	close $fh;	1255	aio_close $fh;
830		1256
831	if (@$objs) {	1257	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
837	close $fh;	1266	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
839	}	1268	}
840	} else {	1269	} else {
841	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
842	}	1271	}
843		1272
844	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1277	} else {
846	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
847	}	1279	}
848	} else {	1280	} else {
849	aio_unlink $filename;	1281	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
851	}	1283	}
852	}	1284	};
853	}	1285	}
854		1286
855	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
857		1289
…		…
869	or return;	1301	or return;
870		1302
871	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
873	or return;	1305	or return;
		1306
874	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
875	}	1309	}
876		1310
		1311	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
879	return ($data, $av);	1316	($data, $av)
880	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
881		1324
882	#############################################################################	1325	#############################################################################
883	# command handling &c	1326	# command handling &c
884		1327
885	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1342	}
900		1343
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1345
903	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
904		1351
905	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
906	called.	1353	called.
907		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
908	=cut	1366	=cut
909		1367
910	sub register_extcmd {	1368	sub register_extcmd {
911	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
912		1370
913	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
914	}	1372	}
915		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
916	cf::player->attach (	1382	cf::player->attach (
917	on_command => sub {	1383	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
919		1385
920	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
921	or return;	1387	or return;
922		1388
…		…
927	cf::override;	1393	cf::override;
928	},	1394	},
929	on_extcmd => sub {	1395	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
931		1397
932	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1399
934	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
940	} else {	1415	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1417	}
943		1418
944	cf::override;	1419	cf::override;
945	},	1420	},
946	);	1421	);
947		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
948	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
949	cf::sync_job {	1439	cf::sync_job {
950	my %todo;	1440	my %todo;
951		1441
952	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1443	next unless -r $path;
…		…
967	path => $path,	1457	path => $path,
968	base => $base,	1458	base => $base,
969	pkg => $pkg,	1459	pkg => $pkg,
970	);	1460	);
971		1461
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1464
975	$ext{source} =	1465	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
978	. $source	1468	. $source
979	. "\n};\n1";	1469	. "\n};\n1";
980		1470
981	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
982	}	1472	}
983		1473
		1474	my $pass = 0;
984	my %done;	1475	my %done;
985	while (%todo) {	1476	while (%todo) {
986	my $progress;	1477	my $progress;
987		1478
		1479	++$pass;
		1480
		1481	ext:
988	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1484	next ext
991	unless exists $done{$_};	1485	unless exists $done{$_};
992	}	1486	}
993		1487
994	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1489
996	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1001	warn $msg;	1497
1002	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1499	delete $todo{$k};
1004	}	1500	} else {
1005		1501	$done{$k} = delete $todo{$k};
1006	die $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1007	}	1507	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1508	}
1012		1509
1013	skip:	1510	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1016	}	1518	}
1017	};	1519	};
1018	}	1520	}
1019		1521
1020	#############################################################################	1522	#############################################################################
1021		1523
		1524	=back
		1525
1022	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1023		1527
1024	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1025		1529
1026	=cut	1530	=cut
1027		1531
1028	package cf::player;	1532	package cf::player;
1029		1533
1030	use Coro::AIO;	1534	use Coro::AIO;
1031		1535
1032	=head3 cf::player	1536	=head3 cf::player
1033		1537
1034	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1035		1553
1036	=item cf::player::find $login	1554	=item cf::player::find $login
1037		1555
1038	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1039		1557
…		…
1058		1576
1059	sub exists($) {	1577	sub exists($) {
1060	my ($login) = @_;	1578	my ($login) = @_;
1061		1579
1062	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1064	}	1582	}
1065		1583
1066	sub find($) {	1584	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1586	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1597
1080	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1083	}	1607	}
1084	}	1608	}
1085	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1086		1623
1087	sub save($) {	1624	sub save($) {
1088	my ($pl) = @_;	1625	my ($pl) = @_;
1089		1626
1090	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1096		1633
1097	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1099		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1100	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1101	Coro::cede;	1643	cf::cede_to_tick;
1102	}	1644	}
1103		1645
1104	sub new($) {	1646	sub new($) {
1105	my ($login) = @_;	1647	my ($login) = @_;
1106		1648
…		…
1112	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1113		1655
1114	$self	1656	$self
1115	}	1657	}
1116		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1117	=item $pl->quit_character	1669	=item $pl->quit_character
1118		1670
1119	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1121		1673
…		…
1125	my ($pl) = @_;	1677	my ($pl) = @_;
1126		1678
1127	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1128		1680
1129	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1683
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1133	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1135	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1136		1692
1137	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1139	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1174	or return [];	1730	or return [];
1175		1731
1176	my @logins;	1732	my @logins;
1177		1733
1178	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1182		1744
1183	utf8::decode $login;	1745	utf8::decode $login;
1184	push @logins, $login;	1746	push @logins, $login;
1185	}	1747	}
1186		1748
1187	\@logins	1749	\@logins
1188	}	1750	}
1189		1751
1190	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1191		1755
1192	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1193	player. May block.	1757	player. May block.
1194		1758
1195	=cut	1759	=cut
…		…
1213	}	1777	}
1214		1778
1215	\@paths	1779	\@paths
1216	}	1780	}
1217		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1218	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1219		1787
1220	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1221		1789
1222	=cut	1790	=cut
1223		1791
1224	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1226		1794
1227	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1796	}
1231		1797
1232	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1233		1799
1234	Sends an ext event to the client.	1800	Sends an ext event to the client.
1235		1801
1236	=cut	1802	=cut
1237		1803
1238	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1240		1806
1241	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1242	}	1808	}
1243		1809
1244	=head3 cf::region	1810	=head3 cf::region
1245		1811
1246	=over 4	1812	=over 4
…		…
1249		1815
1250	package cf::region;	1816	package cf::region;
1251		1817
1252	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1253		1819
1254	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1255		1821
1256	=cut	1822	=cut
1257		1823
1258	sub find_by_path($) {	1824	sub find_by_path($) {
1259	my ($path) = @_;	1825	my ($path) = @_;
1260		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1261	my ($match, $specificity);	1829	my ($match, $specificity);
1262		1830
1263	for my $region (list) {	1831	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1267	}	1835	}
1268	}	1836	}
1269		1837
…		…
1290	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1292		1860
1293	sub generate_random_map {	1861	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1295	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1867	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1318		1889
1319	sub register {	1890	sub register {
1320	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1892	my $pkg = caller;
1322		1893
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1895
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1897	}
1328		1898
1329	# also paths starting with '/'	1899	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1901
1332	sub thawer_merge {	1902	sub thawer_merge {
1333	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1334		1904
1335	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1340	}	1910	}
1341		1911
1342	sub normalise {	1912	sub normalise {
1343	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1344		1914
1345	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1346		1916
1347	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1348		1918
1349	# map plan:	1919	# map plan:
1350	#	1920	#
…		…
1389	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1390	return $self;	1960	return $self;
1391	}	1961	}
1392	}	1962	}
1393		1963
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1965	()
1396	}	1966	}
1397		1967
1398	sub init {	1968	sub init {
1399	my ($self) = @_;	1969	my ($self) = @_;
…		…
1421		1991
1422	# the temporary/swap location	1992	# the temporary/swap location
1423	sub save_path {	1993	sub save_path {
1424	my ($self) = @_;	1994	my ($self) = @_;
1425		1995
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1428	}	1998	}
1429		1999
1430	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1431	sub uniq_path {	2001	sub uniq_path {
1432	my ($self) = @_;	2002	my ($self) = @_;
1433		2003
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1445	}	2006	}
1446		2007
1447	sub decay_objects {	2008	sub decay_objects {
1448	my ($self) = @_;	2009	my ($self) = @_;
1449		2010
…		…
1462		2023
1463	sub load_header_from($) {	2024	sub load_header_from($) {
1464	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1465		2026
1466	utf8::encode $path;	2027	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1472		2036
1473	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1474		2038
1475	1	2039	1
1476	}	2040	}
…		…
1528		2092
1529	sub find;	2093	sub find;
1530	sub find {	2094	sub find {
1531	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1532		2096
		2097	cf::cede_to_tick;
		2098
1533	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1534		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2103
1537	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1540	or return;	2106	or return;
1541		2107
1542	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1543		2109
…		…
1545	or return;	2111	or return;
1546		2112
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1550	$map->reset;	2118	$map->reset;
1551	undef $guard;
1552	return find $path;	2119	return find $path;
1553	}	2120	}
1554		2121
1555	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1556	}	2123	}
1557	}	2124	}
1558		2125
1559	sub pre_load { }	2126	sub pre_load { }
1560	sub post_load { }	2127	#sub post_load { } # XS
1561		2128
1562	sub load {	2129	sub load {
1563	my ($self) = @_;	2130	my ($self) = @_;
1564		2131
1565	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1566		2133
1567	my $path = $self->{path};	2134	my $path = $self->{path};
1568		2135
1569	{	2136	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1571		2138
		2139	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2141
1574	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1575		2143
1576	$self->alloc;	2144	$self->alloc;
1577		2145
1578	$self->pre_load;	2146	$self->pre_load;
1579	Coro::cede;	2147	cf::cede_to_tick;
1580		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1582	or return;	2152	or return;
1583		2153
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1585	if delete $self->{load_original};	2155	if delete $self->{load_original};
1586		2156
1587	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2158	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2161	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1592	}	2165	}
1593	}	2166	}
1594		2167
1595	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1596	# now do the right thing for maps	2171	# now do the right thing for maps
1597	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2174	unless $self->difficulty;
1600	Coro::cede;	2175	cf::cede_to_tick;
1601		2176
1602	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2178	$self->decay_objects;
1604	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1605	$self->update_buttons;	2180	$self->update_buttons;
1606	Coro::cede;	2181	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2182	$self->activate;
1610	}	2183	}
1611		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2189	}
1614		2190
1615	$self->post_load;	2191	$self->post_load;
1616	}	2192	}
1617		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2197	sub customise_for {
1619	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1620		2199
1621	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2201	if $self->per_player;
…		…
1626		2205
1627	$self	2206	$self
1628	}	2207	}
1629		2208
1630	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2210	sub load_neighbours {
1632	my ($map) = @_;	2211	my ($map) = @_;
1633		2212
1634	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1635		2214
1636	for (0 .. 3) {	2215	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1638	or next;	2217	or next;
1639	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1640	or next;	2219	or next;
1641	$neigh->load;	2220	$neigh->load;
1642		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2226	}
1646		2227
1647	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1649	or next;	2231	or next;
1650	$neigh->load;	2232	$neigh->load;
1651	}	2233	}
1652	}	2234	}
1653		2235
1654	sub find_sync {	2236	sub find_sync {
1655	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1656		2238
1657	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1658	}	2243	}
1659		2244
1660	sub do_load_sync {	2245	sub do_load_sync {
1661	my ($map) = @_;	2246	my ($map) = @_;
1662		2247
1663	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1664	}	2252	}
1665		2253
1666	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1668		2256
1669	sub find_async {	2257	sub find_async {
1670	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1671		2259
1672	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1673		2261
1674	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2264	}
1677		2265
1678	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1679	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1680	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2273	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2274	$map->load if $v;
		2275	}
1685		2276
1686	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1687	}	2278	}
1688	}	2279	}
1689	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1690	};	2281	};
1691	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1692		2283
1693	()	2284	()
1694	}	2285	}
1695		2286
		2287	# common code, used by both ->save and ->swapout
1696	sub save {	2288	sub _save {
1697	my ($self) = @_;	2289	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2290
1701	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1702		2292
1703	return unless $self->dirty;	2293	return unless $self->dirty;
1704		2294
…		…
1710	return if $self->{deny_save};	2300	return if $self->{deny_save};
1711		2301
1712	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1713		2303
1714	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1716	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1717		2310
1718	if ($uniq) {	2311	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2314	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2316	}
1724	}	2317	}
1725		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1726	sub swap_out {	2327	sub swap_out {
1727	my ($self) = @_;	2328	my ($self) = @_;
1728		2329
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1734	return if $self->players;	2334	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1738	$self->clear;	2345	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2346	}
1741		2347
1742	sub reset_at {	2348	sub reset_at {
1743	my ($self) = @_;	2349	my ($self) = @_;
1744		2350
…		…
1762		2368
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2370
1765	return if $self->players;	2371	return if $self->players;
1766		2372
1767	warn "resetting map ", $self->path;	2373	cf::trace "resetting map ", $self->path, "\n";
1768		2374
1769	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
1770		2376
1771	# need to save uniques path	2377	# need to save uniques path
1772	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2382	if $uniq;
1777	}	2383	}
1778		2384
1779	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1780		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2389	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2390
1785	$self->unlink_save;	2391	$self->unlink_save;
1786	$self->destroy;	2392	$self->destroy;
1787	}	2393	}
1788		2394
1789	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1790		2396
1791	sub nuke {	2397	sub nuke {
1792	my ($self) = @_;	2398	my ($self) = @_;
1793		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1794	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1795		2404
1796	$self->unlink_save;	2405	$self->unlink_save;
1797		2406
1798	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2412
1804	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1805		2415
1806	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
1807	}	2417	}
1808		2418
1809	=item $maps = cf::map::tmp_maps	2419	=item $maps = cf::map::tmp_maps
…		…
1851		2461
1852	sub unique_maps() {	2462	sub unique_maps() {
1853	[	2463	[
1854	map {	2464	map {
1855	utf8::decode $_;	2465	utf8::decode $_;
1856	/\.map$/	2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
1857	? normalise $_	2469	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2470	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2471	]
1861	}	2472	}
1862		2473
1863	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
1864		2505
1865	=back	2506	=back
1866		2507
1867	=head3 cf::object	2508	=head3 cf::object
1868		2509
…		…
1872		2513
1873	=over 4	2514	=over 4
1874		2515
1875	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
1876		2517
1877	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
1878		2520
1879	=cut	2521	=cut
1880		2522
1881	sub inv_recursive_;	2523	sub inv_recursive_;
1882	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
1885		2527
1886	sub inv_recursive {	2528	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
1888	}	2530	}
1889		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
1890	package cf;	2560	package cf;
1891		2561
1892	=back	2562	=back
1893		2563
1894	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	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	2571	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
1903		2573
1904	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
1905		2589
1906	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2591	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
1911		2595
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2596	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2597
1914	if ($self->{record_replies}) {	2598	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2599	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2600
1916	} else {	2601	} else {
		2602	my $pl = $self->contr;
		2603
		2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2605	my $dialog = $pl->{npc_dialog};
		2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2607
		2608	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2611	}
1919	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
1920	}	2623	}
1921		2624
1922	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
1923		2626
1924	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
1937		2640
1938	=item $player_object->enter_link	2641	=item $player_object->enter_link
1939		2642
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2644
1942	The player should be reasonably safe there for short amounts of time. You	2645	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.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
1944		2649
1945	Will never block.	2650	Will never block.
1946		2651
1947	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
1948		2653
…		…
1968	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2674	my ($self) = @_;
1970		2675
1971	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
1972		2677
		2678	++$self->{_link_recursion};
		2679
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2681
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2683	if $self->map && $self->map->{path} ne "{link}";
1977		2684
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2686	}
1980		2687
1981	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
1983		2690
…		…
2000	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
2002		2709
2003	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
2006		2713
2007	$map->load;	2714	$map->load;
2008	$map->load_diag;	2715	$map->load_neighbours;
2009		2716
2010	return unless $self->contr->active;	2717	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2718
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
2015	}	2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
		2724	$self->activate_recursive;
		2725	}
2016		2726
		2727	}
		2728
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2730
2019	Moves the player to the given map-path and coordinates by first freezing	2731	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	2732	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	2733	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
2023		2739
2024	=cut	2740	=cut
2025		2741
2026	our $GOTOGEN;	2742	our $GOTOGEN;
2027		2743
2028	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
2030		2752
2031	# do generation counting so two concurrent goto's will be executed in-order	2753	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2755
2034	$self->enter_link;	2756	$self->enter_link;
2035		2757
2036	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
2037	my $map = eval {	2780	my $map = eval {
2038	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
2039		2782
2040	if ($map) {	2783	if ($map) {
2041	$map = $map->customise_for ($self);	2784	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2785	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2786	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2788	}
2046		2789
2047	$map	2790	$map
2048	};	2791	};
2049		2792
…		…
2054		2797
2055	if ($gen == $self->{_goto_generation}) {	2798	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2799	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
2058	}	2801	}
		2802
		2803	$done->($self) if $done;
2059	})->prio (1);	2804	})->prio (1);
2060	}	2805	}
2061		2806
2062	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
2063		2808
…		…
2083	}	2828	}
2084		2829
2085	sub prepare_random_map {	2830	sub prepare_random_map {
2086	my ($exit) = @_;	2831	my ($exit) = @_;
2087		2832
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2835	# that depends on the exit object
2093		2836
2094	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2839	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
2101	}	2846	}
2102		2847
2103	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
2104		2849
2105	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
2108		2853
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2856	undef $fh;
2112	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
2113		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
2116	}	2865	}
2117	}	2866	}
2118		2867
2119	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
2121		2870
2122	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
2123		2872
2124	if ($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;	2873	$self->enter_link;
2136		2874
2137	(async {	2875	(async {
2138	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
2139	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
2140	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
2141		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
2142	1;	2899	1
2143	}) {	2900	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2905
2149	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2907	$self->leave_link;
2151	}	2908	}
2152	})->prio (1);	2909	})->prio (1);
2153	}	2910	}
2154		2911
…		…
2168		2925
2169	utf8::encode $text;	2926	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2928	}
2172		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
		2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2956
		2957	Send a drawinfo or msg packet to the client, formatting the msg for the
		2958	client if neccessary. C<$type> should be a string identifying the type of
		2959	the message, with C<log> being the default. If C<$color> is negative, suppress
		2960	the message unless the client supports the msg packet.
		2961
		2962	=cut
		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
		3078	sub cf::client::send_msg {
		3079	my ($self, $channel, $msg, $color, @extra) = @_;
		3080
		3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
		3083
		3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
		3098	}
		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
2173	=item $client->ext_event ($type, %msg)	3117	=item $client->ext_msg ($type, @msg)
2174		3118
2175	Sends an exti event to the client.	3119	Sends an ext event to the client.
2176		3120
2177	=cut	3121	=cut
2178		3122
2179	sub cf::client::ext_event($$%) {	3123	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3124	my ($self, $type, @msg) = @_;
2181		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3129	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
2184	}	3150	}
2185		3151
2186	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2187		3153
2188	Queues a query to the client, calling the given callback with	3154	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>,	3155	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>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3157
2192	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3159	become reliable at some point in the future.
2194		3160
2195	=cut	3161	=cut
2196		3162
2197	sub cf::client::query {	3163	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3172	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3174
2209	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
2211	}	3179	}
2212		3180
2213	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
2214	on_reply => sub {	3187	on_reply => sub {
2215	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
2216		3189
2217	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
2218	# get handled first	3191	# get handled first
…		…
2230	} else {	3203	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3205	}
2233	}	3206	}
2234	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
2235	);	3234	);
2236		3235
2237	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
2238		3237
2239	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3254
2256	$coro	3255	$coro
2257	}	3256	}
2258		3257
2259	cf::client->attach (	3258	cf::client->attach (
2260	on_destroy => sub {	3259	on_client_destroy => sub {
2261	my ($ns) = @_;	3260	my ($ns) = @_;
2262		3261
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3263	},
2265	);	3264	);
…		…
2280	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2282		3281
2283	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2284		3283
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2286		3289
2287	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2288		3291
2289	=pod	3292	=pod
2290		3293
2291	The following functions and methods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2292		3295
2293	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2294	cf::object::player player	3301	cf::object::player
2295	cf::player peaceful	3302	player
2296	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2297		3309
2298	=cut	3310	=cut
2299		3311
2300	for (	3312	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2305	) {	3319	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3322	for @funs;
2310	}	3323	}
2311		3324
…		…
2326		3339
2327	my $qcode = $code;	3340	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2330		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2331	local $_;	3347	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3348
2334	my $eval =	3349	my $eval =
2335	"do {\n"	3350	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3353	. $code
2339	. "\n}"	3354	. "\n}"
2340	;	3355	;
2341		3356
		3357	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2345		3366
2346	if ($@) {	3367	if ($@) {
2347	warn "$@";	3368	warn "$@",
2348	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2350	}	3371	}
2351		3372
2352	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2353	}	3374	}
2354		3375
…		…
2368	=cut	3389	=cut
2369		3390
2370	sub register_script_function {	3391	sub register_script_function {
2371	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2372		3393
2373	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2375	}	3396	}
2376		3397
2377	=back	3398	=back
2378		3399
2379	=cut	3400	=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 $@;
2549	_exit 0;
2550	}
2551	}
2552		3401
2553	#############################################################################	3402	#############################################################################
2554	# the server's init and main functions	3403	# the server's init and main functions
2555		3404
2556	sub load_facedata($) {	3405	sub load_facedata($) {
2557	my ($path) = @_;	3406	my ($path) = @_;
2558		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
2559	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2560		3415
2561	my $facedata;
2562	0 < aio_load $path, $facedata	3416	0 < aio_load $path, my $facedata
2563	or die "$path: $!";	3417	or die "$path: $!";
2564		3418
2565	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2566		3420
2567	$facedata->{version} == 2	3421	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2570	{	3433	{
2571	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2572		3435
2573	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3443
		3444	cf::cede_to_tick;
2579	}	3445	}
2580		3446
2581	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2583	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2584	or next;	3451	or next;
		3452
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3456	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3458	}
2590	Coro::cede;	3459
		3460	cf::cede_to_tick;
2591	}	3461	}
2592	}	3462	}
2593		3463
2594	{	3464	{
2595	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2596		3466
2597	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3469	cf::cede_to_tick;
2600	}	3470	}
2601		3471
2602	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2603	}	3473	}
2604		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2605	1	3494	1
2606	}	3495	}
2607		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2608	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2609	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
2611	}	3527	}
2612		3528
2613	sub reload_facedata {	3529	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3539	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2626	}	3542	}
2627		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2628	sub reload_resources {	3567	sub reload_resources {
2629	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2630		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2631	reload_regions;	3575	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3576	reload_treasures;
2636		3577
2637	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2638	}	3579	}
2639		3580
2640	sub init {	3581	sub reload_config {
2641	reload_resources;	3582	trace "reloading config file...\n";
2642	}
2643		3583
2644	sub cfg_load {	3584	0 < aio_load "$CONFDIR/config", my $config
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3585	or die "$CONFDIR/config: $!";
2646	or return;
2647		3586
2648	local $/;	3587	utf8::decode $config;
2649	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = yaml_load $config;
2650		3589
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3591
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$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};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3594
2656	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2660	};	3599	};
2661	warn $@ if $@;	3600	warn $@ if $@;
2662	}	3601	}
2663	}	3602	}
2664		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2665	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2666	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3645	(async {
2670	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2672	};	3649	};
2673		3650
2674	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
2675	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2676	load_extensions;	3674	load_extensions;
2677		3675
2678	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2680	}	3694	}
2681		3695
2682	#############################################################################	3696	#############################################################################
2683	# initialisation and cleanup	3697	# initialisation and cleanup
2684		3698
2685	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2686	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3703	$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";	3704	cf::cleanup "SIG$signal";
2695	},
2696	);	3705	};
		3706	}
		3707	}
		3708
		3709	sub write_runtime_sync {
		3710	my $t0 = AE::time;
		3711
		3712	# first touch the runtime file to show we are still running:
		3713	# the fsync below can take a very very long time.
		3714
		3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3716
		3717	my $guard = cf::lock_acquire "write_runtime";
		3718
		3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3720	or return;
		3721
		3722	my $value = $cf::RUNTIME + 90 + 10;
		3723	# 10 is the runtime save interval, for a monotonic clock
		3724	# 60 allows for the watchdog to kill the server.
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	# touch it again to show we are up-to-date
		3734	aio_utime $fh, undef, undef;
		3735
		3736	close $fh
		3737	or return;
		3738
		3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3740	and return;
		3741
		3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3743
2697	}	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2698	}	3795	}
2699		3796
2700	sub emergency_save() {	3797	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2702		3799
2703	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2704		3806
2705	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2706	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3818	$pl->save;
2714	}	3819	}
2715	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2716		3821
2717	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3827	$map->valid or next;
2721	$map->save;	3828	$map->save;
2722	}	3829	}
2723	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
2724		3831
2725	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3860	};
2729		3861
2730	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2731	}	3863	}
2732		3864
2733	sub post_cleanup {	3865	sub post_cleanup {
2734	my ($make_core) = @_;	3866	my ($make_core) = @_;
2735		3867
		3868	IO::AIO::flush;
		3869
2736	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
2738	}	3900	}
2739		3901
2740	sub do_reload_perl() {	3902	sub do_reload_perl() {
2741	# can/must only be called in main	3903	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2743	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2744	return;	3906	return;
2745	}	3907	}
2746		3908
2747	warn "reloading...";	3909	return if $RELOAD++;
2748		3910
2749	warn "entering sync_job";	3911	my $t1 = AE::time;
2750		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
2751	cf::sync_job {	3919	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3920	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3921
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";	3922	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3924	%EXT_CORO = ();
2780		3925
2781	warn "removing commands";	3926	trace "perl_reload: removing commands";
2782	%COMMAND = ();	3927	%COMMAND = ();
2783		3928
2784	warn "removing ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2786		3932
2787	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2790		3936
2791	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3938	eval {
2793	$cb->($pkg);	3939	$cb->($pkg);
2794	1	3940	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2796	}	3946	}
2797		3947
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3951
2806	warn "... unloading $k";	3952	trace "... unloading $k";
2807	delete $INC{$k};	3953	delete $INC{$k};
2808		3954
2809	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2811		3957
2812	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2814	}	3963	}
2815		3964
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3968
2823	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3972
2827	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3974	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2830		3976
2831	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2832		3978
2833	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2834	require cf;	3980	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2836		3982
2837	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	3984	cf::reload_config;
2839		3985
2840	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	3987	cf::load_extensions;
2842		3988
		3989	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
2849		3997
2850	warn "leaving sync_job";	3998	cf::_post_init 1;
2851		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
2852	1	4002	1
2853	} or do {	4003	} or do {
2854	warn $@;	4004	error $@;
2855	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4006	};
		4007
		4008	--$RELOAD;
2857	};	4009	}
2858		4010
2859	warn "reloaded";	4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
2860	};	4013	};
2861		4014
2862	our $RELOAD_WATCHER; # used only during reload	4015	our $RELOAD_WATCHER; # used only during reload
2863		4016
2864	sub reload_perl() {	4017	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4018	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4019	# coro crashes during coro_state_free->destroy here.
2867		4020
2868	$RELOAD_WATCHER ||= Event->timer (	4021	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4022	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4023
2871	data => WF_AUTOCANCEL,	4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4025	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4026	undef $RELOAD_WATCHER;
2875	},	4027	};
2876	);	4028	};
2877	}	4029	}
2878		4030
2879	register_command "reload" => sub {	4031	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2881		4033
2882	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4038	reload_perl;
		4039	};
2885	}	4040	}
2886	};	4041	};
2887		4042
2888	unshift @INC, $LIBDIR;	4043	#############################################################################
2889		4044
2890	my $bug_warning = 0;	4045	my $bug_warning = 0;
2891		4046
2892	our @WAIT_FOR_TICK;	4047	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4048	our @WAIT_FOR_TICK_BEGIN;
2894		4049
2895	sub wait_for_tick {	4050	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4052
2899	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4054	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4055	$signal->wait;
2902	}	4056	}
2903		4057
2904	sub wait_for_tick_begin {	4058	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4060
2908	my $signal = new Coro::Signal;	4061	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4062	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4063	$signal->wait;
2911	}	4064	}
2912		4065
2913	my $min = 1e6;#d#	4066	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) {	4067	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
2925	return;	4070	return;
2926	}	4071	}
2927		4072
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2931		4074
2932	0 && sync_job {#d#	4075	#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		4076
2938	$map->width (50);	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4079	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4080	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4081	write_runtime_sync
2943		4082	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	};	4083	};
		4084	}
2954		4085
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) {	4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4087	$sig->send;
2971	}	4088	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4089	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4090	$sig->send;
2974	}	4091	}
2975		4092
2976	$NOW = Event::time;	4093	$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;	4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4095
2987	_post_tick;	4096	if (0) {
2988		4097	if ($NEXT_TICK) {
2989		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
2990	},	4102	}
2991	);	4103	}
2992		4104
2993	{	4105	{
2994	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4107
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;	4108	BDB::min_parallel 16;
3004		4109	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4110	$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		4111
3020	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4119
3023	cf::sync_job {	4120	cf::sync_job {
3024	eval {	4121	eval {
3025	BDB::db_env_open	4122	BDB::db_env_open
3026	$DB_ENV,	4123	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4127	0666;
3031		4128
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4129	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	};	4130	};
3037		4131
3038	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4133	};
3040	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
3041	}	4145	}
3042		4146
3043	{	4147	{
		4148	# configure IO::AIO
		4149
3044	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4152	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	}	4153	}
3057		4154
3058	my $_log_backtrace;	4155	my $_log_backtrace;
3059		4156
3060	sub _log_backtrace {	4157	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4160	$msg =~ s/\n//;
3064		4161
3065	# limit the # of concurrent backtraces	4162	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4163	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
3068	async {	4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
3069	my @bt = fork_call {	4169	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4170	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4173	or die "addr2line: $!";
…		…
3081	}	4181	}
3082		4182
3083	@funcs	4183	@funcs
3084	};	4184	};
3085		4185
3086	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4188	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4189	--$_log_backtrace;
3089	};	4190	};
3090	} else {	4191	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4193	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4194	}
3094	}	4195	}
3095		4196
3096	# load additional modules	4197	# load additional modules
3097	use cf::pod;	4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
3098		4200
3099	END { cf::emergency_save }	4201	END { cf::emergency_save }
3100		4202
3101	1	4203	1
3102		4204

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