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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 1.554 by root, Sat Jun 26 22:10:18 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,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1308	)	1880	)
1309	}	1881	}
1310		1882
1311	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1312		1884
…		…
1318		1890
1319	sub register {	1891	sub register {
1320	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1893	my $pkg = caller;
1322		1894
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1896
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1898	}
1328		1899
1329	# also paths starting with '/'	1900	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1902
1332	sub thawer_merge {	1903	sub thawer_merge {
1333	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1334		1905
1335	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
…		…
1340	}	1911	}
1341		1912
1342	sub normalise {	1913	sub normalise {
1343	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1344		1915
1345	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1346		1917
1347	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1348		1919
1349	# map plan:	1920	# map plan:
1350	#	1921	#
…		…
1365	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1366	$path = "$base/$path";	1937	$path = "$base/$path";
1367	}	1938	}
1368		1939
1369	for ($path) {	1940	for ($path) {
1370	redo if s{//}{/};
1371	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1372	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1373	}	1943	}
1374		1944
1375	$path	1945	$path
…		…
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	$self->post_load;
1616	}
1617		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2199	sub customise_for {
1619	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1620		2201
1621	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2203	if $self->per_player;
…		…
1626		2207
1627	$self	2208	$self
1628	}	2209	}
1629		2210
1630	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2212	sub load_neighbours {
1632	my ($map) = @_;	2213	my ($map) = @_;
1633		2214
1634	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1635		2216
1636	for (0 .. 3) {	2217	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1638	or next;	2219	or next;
1639	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1640	or next;	2221	or next;
1641	$neigh->load;	2222	$neigh->load;
1642		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2228	}
1646		2229
1647	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1649	or next;	2233	or next;
1650	$neigh->load;	2234	$neigh->load;
1651	}	2235	}
1652	}	2236	}
1653		2237
1654	sub find_sync {	2238	sub find_sync {
1655	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1656		2240
1657	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1658	}	2245	}
1659		2246
1660	sub do_load_sync {	2247	sub do_load_sync {
1661	my ($map) = @_;	2248	my ($map) = @_;
1662		2249
1663	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1664	}	2254	}
1665		2255
1666	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1668		2258
1669	sub find_async {	2259	sub find_async {
1670	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1671		2261
1672	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1673		2263
1674	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2266	}
1677		2267
1678	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1679	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1680	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2275	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2276	$map->load if $v;
		2277	}
1685		2278
1686	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1687	}	2280	}
1688	}	2281	}
1689	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1690	};	2283	};
1691	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1692		2285
1693	()	2286	()
1694	}	2287	}
1695		2288
		2289	# common code, used by both ->save and ->swapout
1696	sub save {	2290	sub _save {
1697	my ($self) = @_;	2291	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2292
1701	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1702		2294
1703	return unless $self->dirty;	2295	return unless $self->dirty;
1704		2296
…		…
1710	return if $self->{deny_save};	2302	return if $self->{deny_save};
1711		2303
1712	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1713		2305
1714	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1716	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1717		2312
1718	if ($uniq) {	2313	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2316	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2318	}
1724	}	2319	}
1725		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1726	sub swap_out {	2329	sub swap_out {
1727	my ($self) = @_;	2330	my ($self) = @_;
1728		2331
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1734	return if $self->players;	2336	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1738	$self->clear;	2347	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2348	}
1741		2349
1742	sub reset_at {	2350	sub reset_at {
1743	my ($self) = @_;	2351	my ($self) = @_;
1744		2352
…		…
1762		2370
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2372
1765	return if $self->players;	2373	return if $self->players;
1766		2374
1767	warn "resetting map ", $self->path;	2375	cf::trace "resetting map ", $self->path, "\n";
1768		2376
1769	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->in_memory (cf::MAP_SWAPPED);
1770		2378
1771	# need to save uniques path	2379	# need to save uniques path
1772	unless ($self->{deny_save}) {	2380	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2384	if $uniq;
1777	}	2385	}
1778		2386
1779	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1780		2388
		2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2391	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2392
1785	$self->unlink_save;	2393	$self->unlink_save;
1786	$self->destroy;	2394	$self->destroy;
1787	}	2395	}
1788		2396
1789	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1790		2398
1791	sub nuke {	2399	sub nuke {
1792	my ($self) = @_;	2400	my ($self) = @_;
1793		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
1794	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
1795		2406
1796	$self->unlink_save;	2407	$self->unlink_save;
1797		2408
1798	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2414
1804	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
1805		2417
1806	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
1807	}	2419	}
1808		2420
1809	=item $maps = cf::map::tmp_maps	2421	=item $maps = cf::map::tmp_maps
…		…
1851		2463
1852	sub unique_maps() {	2464	sub unique_maps() {
1853	[	2465	[
1854	map {	2466	map {
1855	utf8::decode $_;	2467	utf8::decode $_;
1856	/\.map$/	2468	s/\.map$//; # TODO future compatibility hack
		2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2470	? ()
1857	? normalise $_	2471	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2472	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2473	]
1861	}	2474	}
1862		2475
1863	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
1864		2507
1865	=back	2508	=back
1866		2509
1867	=head3 cf::object	2510	=head3 cf::object
1868		2511
…		…
1872		2515
1873	=over 4	2516	=over 4
1874		2517
1875	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1876		2519
1877	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1878		2522
1879	=cut	2523	=cut
1880		2524
1881	sub inv_recursive_;	2525	sub inv_recursive_;
1882	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1885		2529
1886	sub inv_recursive {	2530	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1888	}	2532	}
1889		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1890	package cf;	2562	package cf;
1891		2563
1892	=back	2564	=back
1893		2565
1894	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	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	2573	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1903		2575
1904	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1905		2591
1906	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2593	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1911		2597
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2599
1914	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1916	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1919	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1920	}	2625	}
1921		2626
1922	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1923		2628
1924	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1937		2642
1938	=item $player_object->enter_link	2643	=item $player_object->enter_link
1939		2644
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2646
1942	The player should be reasonably safe there for short amounts of time. You	2647	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.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
1944		2651
1945	Will never block.	2652	Will never block.
1946		2653
1947	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1948		2655
…		…
1968	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2676	my ($self) = @_;
1970		2677
1971	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1972		2679
		2680	++$self->{_link_recursion};
		2681
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2683
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2685	if $self->map && $self->map->{path} ne "{link}";
1977		2686
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2688	}
1980		2689
1981	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
1983		2692
…		…
2000	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
2002		2711
2003	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
2006		2715
2007	$map->load;	2716	$map->load;
2008	$map->load_diag;	2717	$map->load_neighbours;
2009		2718
2010	return unless $self->contr->active;	2719	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2720
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2722	if ($self->enter_map ($map, $x, $y)) {
2015	}	2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
		2726	$self->activate_recursive;
		2727	}
2016		2728
		2729	}
		2730
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2732
2019	Moves the player to the given map-path and coordinates by first freezing	2733	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	2734	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	2735	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
2023		2741
2024	=cut	2742	=cut
2025		2743
2026	our $GOTOGEN;	2744	our $GOTOGEN;
2027		2745
2028	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
2030		2754
2031	# do generation counting so two concurrent goto's will be executed in-order	2755	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2757
2034	$self->enter_link;	2758	$self->enter_link;
2035		2759
2036	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
2037	my $map = eval {	2782	my $map = eval {
2038	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
2039		2784
2040	if ($map) {	2785	if ($map) {
2041	$map = $map->customise_for ($self);	2786	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2787	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2788	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2790	}
2046		2791
2047	$map	2792	$map
2048	};	2793	};
2049		2794
…		…
2054		2799
2055	if ($gen == $self->{_goto_generation}) {	2800	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2801	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
2058	}	2803	}
		2804
		2805	$done->($self) if $done;
2059	})->prio (1);	2806	})->prio (1);
2060	}	2807	}
2061		2808
2062	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
2063		2810
…		…
2083	}	2830	}
2084		2831
2085	sub prepare_random_map {	2832	sub prepare_random_map {
2086	my ($exit) = @_;	2833	my ($exit) = @_;
2087		2834
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2837	# that depends on the exit object
2093		2838
2094	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2841	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
2101	}	2848	}
2102		2849
2103	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
2104		2851
2105	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
2108		2855
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2858	undef $fh;
2112	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
2113		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
2116	}	2867	}
2117	}	2868	}
2118		2869
2119	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
2121		2872
2122	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
2123		2874
2124	if ($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;	2875	$self->enter_link;
2136		2876
2137	(async {	2877	(async {
2138	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
2139	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
2140	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
2141		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
2142	1;	2901	1
2143	}) {	2902	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2907
2149	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2909	$self->leave_link;
2151	}	2910	}
2152	})->prio (1);	2911	})->prio (1);
2153	}	2912	}
2154		2913
…		…
2168		2927
2169	utf8::encode $text;	2928	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2930	}
2172		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
2173	=item $client->ext_event ($type, %msg)	3119	=item $client->ext_msg ($type, @msg)
2174		3120
2175	Sends an exti event to the client.	3121	Sends an ext event to the client.
2176		3122
2177	=cut	3123	=cut
2178		3124
2179	sub cf::client::ext_event($$%) {	3125	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3126	my ($self, $type, @msg) = @_;
2181		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3131	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
2184	}	3152	}
2185		3153
2186	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
2187		3155
2188	Queues a query to the client, calling the given callback with	3156	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>,	3157	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>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3159
2192	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3161	become reliable at some point in the future.
2194		3162
2195	=cut	3163	=cut
2196		3164
2197	sub cf::client::query {	3165	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3174	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3176
2209	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
2211	}	3181	}
2212		3182
2213	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
2214	on_reply => sub {	3189	on_reply => sub {
2215	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
2216		3191
2217	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
2218	# get handled first	3193	# get handled first
…		…
2230	} else {	3205	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3207	}
2233	}	3208	}
2234	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
2235	);	3236	);
2236		3237
2237	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
2238		3239
2239	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3256
2256	$coro	3257	$coro
2257	}	3258	}
2258		3259
2259	cf::client->attach (	3260	cf::client->attach (
2260	on_destroy => sub {	3261	on_client_destroy => sub {
2261	my ($ns) = @_;	3262	my ($ns) = @_;
2262		3263
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3265	},
2265	);	3266	);
…		…
2280	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2282		3283
2283	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2284		3285
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2286		3291
2287	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2288		3293
2289	=pod	3294	=pod
2290		3295
2291	The following functions and methods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2292		3297
2293	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2294	cf::object::player player	3303	cf::object::player
2295	cf::player peaceful	3304	player
2296	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2297		3311
2298	=cut	3312	=cut
2299		3313
2300	for (	3314	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2305	) {	3321	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3324	for @funs;
2310	}	3325	}
2311		3326
…		…
2326		3341
2327	my $qcode = $code;	3342	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2330		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2331	local $_;	3349	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3350
2334	my $eval =	3351	my $eval =
2335	"do {\n"	3352	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3355	. $code
2339	. "\n}"	3356	. "\n}"
2340	;	3357	;
2341		3358
		3359	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2345		3368
2346	if ($@) {	3369	if ($@) {
2347	warn "$@";	3370	warn "$@",
2348	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2350	}	3373	}
2351		3374
2352	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2353	}	3376	}
2354		3377
…		…
2368	=cut	3391	=cut
2369		3392
2370	sub register_script_function {	3393	sub register_script_function {
2371	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2372		3395
2373	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2375	}	3398	}
2376		3399
2377	=back	3400	=back
2378		3401
2379	=cut	3402	=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 $@;
2549	_exit 0;
2550	}
2551	}
2552		3403
2553	#############################################################################	3404	#############################################################################
2554	# the server's init and main functions	3405	# the server's init and main functions
2555		3406
2556	sub load_facedata($) {	3407	sub load_facedata($) {
2557	my ($path) = @_;	3408	my ($path) = @_;
2558		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
		3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3415
2559	warn "loading facedata from $path\n";	3416	trace "loading facedata from $path\n";
2560		3417
2561	my $facedata;
2562	0 < aio_load $path, $facedata	3418	0 < aio_load $path, my $facedata
2563	or die "$path: $!";	3419	or die "$path: $!";
2564		3420
2565	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2566		3422
2567	$facedata->{version} == 2	3423	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2570	{	3435	{
2571	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2572		3437
2573	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3445
		3446	cf::cede_to_tick;
2579	}	3447	}
2580		3448
2581	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2583	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2584	or next;	3453	or next;
		3454
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3458	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3460	}
2590	Coro::cede;	3461
		3462	cf::cede_to_tick;
2591	}	3463	}
2592	}	3464	}
2593		3465
2594	{	3466	{
2595	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2596		3468
2597	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3471	cf::cede_to_tick;
2600	}	3472	}
2601		3473
2602	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2603	}	3475	}
2604		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2605	1	3496	1
2606	}	3497	}
2607		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2608	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2609	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
2611	}	3529	}
2612		3530
2613	sub reload_facedata {	3531	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3532	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3533	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3541	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2626	}	3544	}
2627		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2628	sub reload_resources {	3569	sub reload_resources {
2629	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2630		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
2631	reload_regions;	3577	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3578	reload_treasures;
2636		3579
2637	warn "finished reloading resource files\n";	3580	trace "finished reloading resource files\n";
2638	}	3581	}
2639		3582
2640	sub init {	3583	sub reload_config {
2641	reload_resources;	3584	trace "reloading config file...\n";
2642	}
2643		3585
2644	sub cfg_load {	3586	0 < aio_load "$CONFDIR/config", my $config
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3587	or die "$CONFDIR/config: $!";
2646	or return;
2647		3588
2648	local $/;	3589	utf8::decode $config;
2649	*CFG = YAML::Syck::Load <$fh>;	3590	*CFG = yaml_load $config;
2650		3591
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3593
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$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};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3596
2656	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2660	};	3601	};
2661	warn $@ if $@;	3602	warn $@ if $@;
2662	}	3603	}
2663	}	3604	}
2664		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2665	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2666	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3647	(async {
2670	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2672	};	3651	};
2673		3652
2674	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
2675	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2676	load_extensions;	3676	load_extensions;
2677		3677
2678	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2680	}	3696	}
2681		3697
2682	#############################################################################	3698	#############################################################################
2683	# initialisation and cleanup	3699	# initialisation and cleanup
2684		3700
2685	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2686	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3705	$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";	3706	cf::cleanup "SIG$signal";
2695	},
2696	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2697	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2698	}	3797	}
2699		3798
2700	sub emergency_save() {	3799	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2702		3801
2703	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2704		3808
2705	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2706	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3820	$pl->save;
2714	}	3821	}
2715	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2716		3823
2717	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3829	$map->valid or next;
2721	$map->save;	3830	$map->save;
2722	}	3831	}
2723	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2724		3833
2725	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3862	};
2729		3863
2730	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2731	}	3865	}
2732		3866
2733	sub post_cleanup {	3867	sub post_cleanup {
2734	my ($make_core) = @_;	3868	my ($make_core) = @_;
2735		3869
		3870	IO::AIO::flush;
		3871
2736	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
2738	}	3902	}
2739		3903
2740	sub do_reload_perl() {	3904	sub do_reload_perl() {
2741	# can/must only be called in main	3905	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2743	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2744	return;	3908	return;
2745	}	3909	}
2746		3910
2747	warn "reloading...";	3911	return if $RELOAD++;
2748		3912
2749	warn "entering sync_job";	3913	my $t1 = AE::time;
2750		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
2751	cf::sync_job {	3921	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3922	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3923
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";	3924	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3926	%EXT_CORO = ();
2780		3927
2781	warn "removing commands";	3928	trace "perl_reload: removing commands";
2782	%COMMAND = ();	3929	%COMMAND = ();
2783		3930
2784	warn "removing ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2786		3934
2787	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2790		3938
2791	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3940	eval {
2793	$cb->($pkg);	3941	$cb->($pkg);
2794	1	3942	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2796	}	3948	}
2797		3949
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3953
2806	warn "... unloading $k";	3954	trace "... unloading $k";
2807	delete $INC{$k};	3955	delete $INC{$k};
2808		3956
2809	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2811		3959
2812	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2814	}	3965	}
2815		3966
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3970
2823	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3974
2827	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3976	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2830		3978
2831	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2832		3980
2833	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2834	require cf;	3982	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2836		3984
2837	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	3986	cf::reload_config;
2839		3987
2840	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	3989	cf::load_extensions;
2842		3990
		3991	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3996	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
2849		3999
2850	warn "leaving sync_job";	4000	cf::_post_init 1;
2851		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
2852	1	4004	1
2853	} or do {	4005	} or do {
2854	warn $@;	4006	error $@;
2855	warn "error while reloading, exiting.";	4007	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4008	};
		4009
		4010	--$RELOAD;
2857	};	4011	}
2858		4012
2859	warn "reloaded";	4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
2860	};	4015	};
2861		4016
2862	our $RELOAD_WATCHER; # used only during reload	4017	our $RELOAD_WATCHER; # used only during reload
2863		4018
2864	sub reload_perl() {	4019	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4020	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4021	# coro crashes during coro_state_free->destroy here.
2867		4022
2868	$RELOAD_WATCHER ||= Event->timer (	4023	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4024	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4025
2871	data => WF_AUTOCANCEL,	4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4027	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4028	undef $RELOAD_WATCHER;
2875	},	4029	};
2876	);	4030	};
2877	}	4031	}
2878		4032
2879	register_command "reload" => sub {	4033	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2881		4035
2882	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4040	reload_perl;
		4041	};
2885	}	4042	}
2886	};	4043	};
2887		4044
2888	unshift @INC, $LIBDIR;	4045	#############################################################################
2889		4046
2890	my $bug_warning = 0;	4047	my $bug_warning = 0;
2891		4048
2892	our @WAIT_FOR_TICK;	4049	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4050	our @WAIT_FOR_TICK_BEGIN;
2894		4051
2895	sub wait_for_tick {	4052	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4054
2899	my $signal = new Coro::Signal;	4055	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4056	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4057	$signal->wait;
2902	}	4058	}
2903		4059
2904	sub wait_for_tick_begin {	4060	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4062
2908	my $signal = new Coro::Signal;	4063	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4064	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4065	$signal->wait;
2911	}	4066	}
2912		4067
2913	my $min = 1e6;#d#	4068	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) {	4069	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
2925	return;	4072	return;
2926	}	4073	}
2927		4074
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2931		4076
2932	0 && sync_job {#d#	4077	#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		4078
2938	$map->width (50);	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4081	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4082	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4083	write_runtime_sync
2943		4084	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	};	4085	};
		4086	}
2954		4087
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) {	4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4089	$sig->send;
2971	}	4090	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4091	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4092	$sig->send;
2974	}	4093	}
2975		4094
2976	$NOW = Event::time;	4095	$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;	4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4097
2987	_post_tick;	4098	if (0) {
2988		4099	if ($NEXT_TICK) {
2989		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
2990	},	4104	}
2991	);	4105	}
2992		4106
2993	{	4107	{
2994	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4109
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;	4110	BDB::min_parallel 16;
3004		4111	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4112	$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		4113
3020	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4121
3023	cf::sync_job {	4122	cf::sync_job {
3024	eval {	4123	eval {
3025	BDB::db_env_open	4124	BDB::db_env_open
3026	$DB_ENV,	4125	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4129	0666;
3031		4130
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4131	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	};	4132	};
3037		4133
3038	cf::cleanup "db_env_open(db): $@" if $@;	4134	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4135	};
3040	}	4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
3041	}	4147	}
3042		4148
3043	{	4149	{
		4150	# configure IO::AIO
		4151
3044	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4154	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	}	4155	}
3057		4156
3058	my $_log_backtrace;	4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
3059		4159
3060	sub _log_backtrace {	4160	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4161	my ($msg, @addr) = @_;
3062		4162
3063	$msg =~ s/\n//;	4163	$msg =~ s/\n$//;
3064		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4168	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
3068	async {	4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
3069	my @bt = fork_call {	4176	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4177	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4180	or die "addr2line: $!";
…		…
3081	}	4188	}
3082		4189
3083	@funcs	4190	@funcs
3084	};	4191	};
3085		4192
3086	LOG llevInfo, "[ABT] $msg\n";	4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4195	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4196	--$_log_backtrace;
3089	};	4197	};
3090	} else {	4198	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4199	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4201	}
3094	}	4202	}
3095		4203
3096	# load additional modules	4204	# load additional modules
3097	use cf::pod;	4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
3098		4207
3099	END { cf::emergency_save }	4208	END { cf::emergency_save }
3100		4209
3101	1	4210	1
3102		4211

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