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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 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: <$buf>\n";
942	}	1417	}
943		1418
944	cf::override;	1419	cf::override;
945	},	1420	},
946	);	1421	);
947		1422
		1423	# "readahead" all extensions
948	sub load_extension {	1424	sub cache_extensions {
949	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
950		1426
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1430	}
976	die $@;
977	}	1431	};
978		1432
979	push @EXTS, $pkg;	1433	$grp
980	}	1434	}
981		1435
982	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
983	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1443	next unless -r $path;
985	eval {	1444
986	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
987	1	1508	}
988	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1518	}
989	}	1519	};
990	}	1520	}
991		1521
992	#############################################################################	1522	#############################################################################
993		1523
		1524	=back
		1525
994	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
995		1527
996	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
997		1529
998	=cut	1530	=cut
999		1531
1000	package cf::player;	1532	package cf::player;
1001		1533
1002	use Coro::AIO;	1534	use Coro::AIO;
1003		1535
1004	=head3 cf::player	1536	=head3 cf::player
1005		1537
1006	=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	}
1007		1553
1008	=item cf::player::find $login	1554	=item cf::player::find $login
1009		1555
1010	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1011		1557
…		…
1030		1576
1031	sub exists($) {	1577	sub exists($) {
1032	my ($login) = @_;	1578	my ($login) = @_;
1033		1579
1034	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1036	}	1582	}
1037		1583
1038	sub find($) {	1584	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1586	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1597
1052	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1055	}	1607	}
1056	}	1608	}
1057	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1058		1623
1059	sub save($) {	1624	sub save($) {
1060	my ($pl) = @_;	1625	my ($pl) = @_;
1061		1626
1062	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1068		1633
1069	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1071		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
1072	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1073	Coro::cede;	1643	cf::cede_to_tick;
1074	}	1644	}
1075		1645
1076	sub new($) {	1646	sub new($) {
1077	my ($login) = @_;	1647	my ($login) = @_;
1078		1648
…		…
1084	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1085		1655
1086	$self	1656	$self
1087	}	1657	}
1088		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
1089	=item $pl->quit_character	1669	=item $pl->quit_character
1090		1670
1091	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1093		1673
…		…
1097	my ($pl) = @_;	1677	my ($pl) = @_;
1098		1678
1099	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1100		1680
1101	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1102	$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
1103		1683
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1107	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1108		1692
1109	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1146	or return [];	1730	or return [];
1147		1731
1148	my @logins;	1732	my @logins;
1149		1733
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1154		1744
1155	utf8::decode $login;	1745	utf8::decode $login;
1156	push @logins, $login;	1746	push @logins, $login;
1157	}	1747	}
1158		1748
1159	\@logins	1749	\@logins
1160	}	1750	}
1161		1751
1162	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1163		1755
1164	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1165	player. May block.	1757	player. May block.
1166		1758
1167	=cut	1759	=cut
…		…
1185	}	1777	}
1186		1778
1187	\@paths	1779	\@paths
1188	}	1780	}
1189		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1190	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1191		1787
1192	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1193		1789
1194	=cut	1790	=cut
1195		1791
1196	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1198		1794
1199	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1796	}
1203		1797
1204	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1205		1799
1206	Sends an ext event to the client.	1800	Sends an ext event to the client.
1207		1801
1208	=cut	1802	=cut
1209		1803
1210	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1212		1806
1213	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1214	}	1808	}
1215		1809
1216	=head3 cf::region	1810	=head3 cf::region
1217		1811
1218	=over 4	1812	=over 4
…		…
1221		1815
1222	package cf::region;	1816	package cf::region;
1223		1817
1224	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1225		1819
1226	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1227		1821
1228	=cut	1822	=cut
1229		1823
1230	sub find_by_path($) {	1824	sub find_by_path($) {
1231	my ($path) = @_;	1825	my ($path) = @_;
1232		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1233	my ($match, $specificity);	1829	my ($match, $specificity);
1234		1830
1235	for my $region (list) {	1831	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1239	}	1835	}
1240	}	1836	}
1241		1837
…		…
1262	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1264		1860
1265	sub generate_random_map {	1861	sub generate_random_map {
1266	my ($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
1267	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1867	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290		1889
1291	sub register {	1890	sub register {
1292	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1892	my $pkg = caller;
1294		1893
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1895
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1897	}
1300		1898
1301	# also paths starting with '/'	1899	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1901
1304	sub thawer_merge {	1902	sub thawer_merge {
1305	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1306		1904
1307	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1312	}	1910	}
1313		1911
1314	sub normalise {	1912	sub normalise {
1315	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1316		1914
1317	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1318		1916
1319	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1320		1918
1321	# map plan:	1919	# map plan:
1322	#	1920	#
…		…
1337	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	1936	$path = "$base/$path";
1339	}	1937	}
1340		1938
1341	for ($path) {	1939	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1345	}	1942	}
1346		1943
1347	$path	1944	$path
…		…
1361	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1362	return $self;	1959	return $self;
1363	}	1960	}
1364	}	1961	}
1365		1962
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	1964	()
1368	}	1965	}
1369		1966
1370	sub init {	1967	sub init {
1371	my ($self) = @_;	1968	my ($self) = @_;
…		…
1393		1990
1394	# the temporary/swap location	1991	# the temporary/swap location
1395	sub save_path {	1992	sub save_path {
1396	my ($self) = @_;	1993	my ($self) = @_;
1397		1994
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1400	}	1997	}
1401		1998
1402	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1403	sub uniq_path {	2000	sub uniq_path {
1404	my ($self) = @_;	2001	my ($self) = @_;
1405		2002
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2005	}
1418		2006
1419	sub decay_objects {	2007	sub decay_objects {
1420	my ($self) = @_;	2008	my ($self) = @_;
1421		2009
…		…
1434		2022
1435	sub load_header_from($) {	2023	sub load_header_from($) {
1436	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1437		2025
1438	utf8::encode $path;	2026	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1444		2035
1445	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1446		2037
1447	1	2038	1
1448	}	2039	}
…		…
1500		2091
1501	sub find;	2092	sub find;
1502	sub find {	2093	sub find {
1503	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1504		2095
		2096	cf::cede_to_tick;
		2097
1505	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1506		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2102
1509	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1512	or return;	2105	or return;
1513		2106
1514	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1515		2108
…		…
1517	or return;	2110	or return;
1518		2111
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1522	$map->reset;	2117	$map->reset;
1523	undef $guard;
1524	return find $path;	2118	return find $path;
1525	}	2119	}
1526		2120
1527	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1528	}	2122	}
1529	}	2123	}
1530		2124
1531	sub pre_load { }	2125	sub pre_load { }
1532	sub post_load { }	2126	#sub post_load { } # XS
1533		2127
1534	sub load {	2128	sub load {
1535	my ($self) = @_;	2129	my ($self) = @_;
1536		2130
1537	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1538		2132
1539	my $path = $self->{path};	2133	my $path = $self->{path};
1540		2134
1541	{	2135	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1543		2137
		2138	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2140
1546	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1547		2142
1548	$self->alloc;	2143	$self->alloc;
1549		2144
1550	$self->pre_load;	2145	$self->pre_load;
1551	Coro::cede;	2146	cf::cede_to_tick;
1552		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1554	or return;	2151	or return;
1555		2152
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1557	if delete $self->{load_original};	2154	if delete $self->{load_original};
1558		2155
1559	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2157	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2160	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1564	}	2164	}
1565	}	2165	}
1566		2166
1567	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1568	# now do the right thing for maps	2170	# now do the right thing for maps
1569	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2173	unless $self->difficulty;
1572	Coro::cede;	2174	cf::cede_to_tick;
1573		2175
1574	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2177	$self->decay_objects;
1576	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1577	$self->update_buttons;	2179	$self->update_buttons;
1578	Coro::cede;	2180	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2181	$self->activate;
1582	}	2182	}
1583		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2188	}
1586		2189
1587	$self->post_load;	2190	$self->post_load;
1588	}	2191	}
1589		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2196	sub customise_for {
1591	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1592		2198
1593	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2200	if $self->per_player;
…		…
1598		2204
1599	$self	2205	$self
1600	}	2206	}
1601		2207
1602	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2209	sub load_neighbours {
1604	my ($map) = @_;	2210	my ($map) = @_;
1605		2211
1606	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1607		2213
1608	for (0 .. 3) {	2214	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1610	or next;	2216	or next;
1611	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1612	or next;	2218	or next;
1613	$neigh->load;	2219	$neigh->load;
1614		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2225	}
1618		2226
1619	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1621	or next;	2230	or next;
1622	$neigh->load;	2231	$neigh->load;
1623	}	2232	}
1624	}	2233	}
1625		2234
1626	sub find_sync {	2235	sub find_sync {
1627	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1628		2237
1629	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1630	}	2242	}
1631		2243
1632	sub do_load_sync {	2244	sub do_load_sync {
1633	my ($map) = @_;	2245	my ($map) = @_;
1634		2246
1635	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1636	}	2251	}
1637		2252
1638	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1640		2255
1641	sub find_async {	2256	sub find_async {
1642	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1643		2258
1644	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1645		2260
1646	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2263	}
1649		2264
1650	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1651	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1652	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2272	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2273	$map->load if $v;
		2274	}
1657		2275
1658	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1659	}	2277	}
1660	}	2278	}
1661	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1662	};	2280	};
1663	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1664		2282
1665	()	2283	()
1666	}	2284	}
1667		2285
		2286	# common code, used by both ->save and ->swapout
1668	sub save {	2287	sub _save {
1669	my ($self) = @_;	2288	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2289
1673	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1674		2291
1675	return unless $self->dirty;	2292	return unless $self->dirty;
1676		2293
…		…
1682	return if $self->{deny_save};	2299	return if $self->{deny_save};
1683		2300
1684	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1685		2302
1686	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1688	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1689		2309
1690	if ($uniq) {	2310	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2313	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2315	}
1696	}	2316	}
1697		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1698	sub swap_out {	2326	sub swap_out {
1699	my ($self) = @_;	2327	my ($self) = @_;
1700		2328
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1706	return if $self->players;	2333	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1710	$self->clear;	2344	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2345	}
1713		2346
1714	sub reset_at {	2347	sub reset_at {
1715	my ($self) = @_;	2348	my ($self) = @_;
1716		2349
…		…
1734		2367
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2369
1737	return if $self->players;	2370	return if $self->players;
1738		2371
1739	warn "resetting map ", $self->path;	2372	cf::trace "resetting map ", $self->path, "\n";
1740		2373
1741	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
1742		2375
1743	# need to save uniques path	2376	# need to save uniques path
1744	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2381	if $uniq;
1749	}	2382	}
1750		2383
1751	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1752		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2388	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2389
1757	$self->unlink_save;	2390	$self->unlink_save;
1758	$self->destroy;	2391	$self->destroy;
1759	}	2392	}
1760		2393
1761	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1762		2395
1763	sub nuke {	2396	sub nuke {
1764	my ($self) = @_;	2397	my ($self) = @_;
1765		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1766	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1767		2403
1768	$self->unlink_save;	2404	$self->unlink_save;
1769		2405
1770	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2411
1776	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1777		2414
1778	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
		2416	}
		2417
		2418	=item $maps = cf::map::tmp_maps
		2419
		2420	Returns an arrayref with all map paths of currently instantiated and saved
		2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
		2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1779	}	2452	}
1780		2453
1781	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1782		2455
1783	Returns an arrayref of paths of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2457	instantiated unique items. May block.
1785		2458
1786	=cut	2459	=cut
1787		2460
1788	sub unique_maps() {	2461	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2462	[
1790	or return;	2463	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2464	utf8::decode $_;
1796	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2467	? ()
1799	push @paths, cf::map::normalise $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2470	]
1801
1802	\@paths
1803	}	2471	}
1804		2472
1805	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1806		2504
1807	=back	2505	=back
1808		2506
1809	=head3 cf::object	2507	=head3 cf::object
1810		2508
…		…
1814		2512
1815	=over 4	2513	=over 4
1816		2514
1817	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1818		2516
1819	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1820		2519
1821	=cut	2520	=cut
1822		2521
1823	sub inv_recursive_;	2522	sub inv_recursive_;
1824	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1827		2526
1828	sub inv_recursive {	2527	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1830	}	2529	}
1831		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1832	package cf;	2559	package cf;
1833		2560
1834	=back	2561	=back
1835		2562
1836	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1845		2572
1846	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1847		2588
1848	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2590	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1853		2594
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2596
1856	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1858	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1861	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1862	}	2622	}
1863		2623
1864	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1865		2625
1866	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1879		2639
1880	=item $player_object->enter_link	2640	=item $player_object->enter_link
1881		2641
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2643
1884	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
1886		2648
1887	Will never block.	2649	Will never block.
1888		2650
1889	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1890		2652
…		…
1910	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1911	my ($self) = @_;	2673	my ($self) = @_;
1912		2674
1913	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1914		2676
		2677	++$self->{_link_recursion};
		2678
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2680
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2682	if $self->map && $self->map->{path} ne "{link}";
1919		2683
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2685	}
1922		2686
1923	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
1925		2689
…		…
1942	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1944		2708
1945	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1948		2712
1949	$map->load;	2713	$map->load;
1950	$map->load_diag;	2714	$map->load_neighbours;
1951		2715
1952	return unless $self->contr->active;	2716	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2717
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
1957	}	2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
		2723	$self->activate_recursive;
		2724	}
1958		2725
		2726	}
		2727
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1960		2729
1961	Moves the player to the given map-path and coordinates by first freezing	2730	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2731	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2732	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
1965		2738
1966	=cut	2739	=cut
1967		2740
1968	our $GOTOGEN;	2741	our $GOTOGEN;
1969		2742
1970	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
1972		2751
1973	# do generation counting so two concurrent goto's will be executed in-order	2752	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2754
1976	$self->enter_link;	2755	$self->enter_link;
1977		2756
1978	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
1979	my $map = eval {	2779	my $map = eval {
1980	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
1981		2781
1982	if ($map) {	2782	if ($map) {
1983	$map = $map->customise_for ($self);	2783	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2784	$map = $check->($map, $x, $y, $self) if $check && $map;
1985	} else {	2785	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2787	}
1988		2788
1989	$map	2789	$map
1990	};	2790	};
1991		2791
…		…
1996		2796
1997	if ($gen == $self->{_goto_generation}) {	2797	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2798	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
2000	}	2800	}
		2801
		2802	$done->($self) if $done;
2001	})->prio (1);	2803	})->prio (1);
2002	}	2804	}
2003		2805
2004	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
2005		2807
…		…
2025	}	2827	}
2026		2828
2027	sub prepare_random_map {	2829	sub prepare_random_map {
2028	my ($exit) = @_;	2830	my ($exit) = @_;
2029		2831
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2834	# that depends on the exit object
2035		2835
2036	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2838	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
2043	}	2845	}
2044		2846
2045	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
2046		2848
2047	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
2050		2852
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2855	undef $fh;
2054	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
2055		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2058	}	2864	}
2059	}	2865	}
2060		2866
2061	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2063		2869
2064	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2065		2871
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2872	$self->enter_link;
2078		2873
2079	(async {	2874	(async {
2080	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2081	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2082	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2083		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2084	1;	2898	1
2085	}) {	2899	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2904
2091	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2092	$self->leave_link;	2906	$self->leave_link;
2093	}	2907	}
2094	})->prio (1);	2908	})->prio (1);
2095	}	2909	}
2096		2910
…		…
2110		2924
2111	utf8::encode $text;	2925	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2927	}
2114		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
2115	=item $client->ext_event ($type, %msg)	3116	=item $client->ext_msg ($type, @msg)
2116		3117
2117	Sends an exti event to the client.	3118	Sends an ext event to the client.
2118		3119
2119	=cut	3120	=cut
2120		3121
2121	sub cf::client::ext_event($$%) {	3122	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3123	my ($self, $type, @msg) = @_;
2123		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3128	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
2126	}	3149	}
2127		3150
2128	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2129		3152
2130	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3156
2134	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3158	become reliable at some point in the future.
2136		3159
2137	=cut	3160	=cut
2138		3161
2139	sub cf::client::query {	3162	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3171	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3173
2151	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
2153	}	3178	}
2154		3179
2155	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
2156	on_reply => sub {	3186	on_reply => sub {
2157	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2158		3188
2159	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2160	# get handled first	3190	# get handled first
…		…
2172	} else {	3202	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3204	}
2175	}	3205	}
2176	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2177	);	3233	);
2178		3234
2179	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2180		3236
2181	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3253
2198	$coro	3254	$coro
2199	}	3255	}
2200		3256
2201	cf::client->attach (	3257	cf::client->attach (
2202	on_destroy => sub {	3258	on_client_destroy => sub {
2203	my ($ns) = @_;	3259	my ($ns) = @_;
2204		3260
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3262	},
2207	);	3263	);
…		…
2222	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2224		3280
2225	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2226		3282
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2228		3288
2229	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2230		3290
2231	=pod	3291	=pod
2232		3292
2233	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2234		3294
2235	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2236	cf::object::player player	3300	cf::object::player
2237	cf::player peaceful	3301	player
2238	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2239		3308
2240	=cut	3309	=cut
2241		3310
2242	for (	3311	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2247	) {	3318	) {
2248	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2251	for @funs;	3321	for @funs;
2252	}	3322	}
2253		3323
…		…
2268		3338
2269	my $qcode = $code;	3339	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2272		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2273	local $_;	3346	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3347
2276	my $eval =	3348	my $eval =
2277	"do {\n"	3349	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3352	. $code
2281	. "\n}"	3353	. "\n}"
2282	;	3354	;
2283		3355
		3356	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2287		3365
2288	if ($@) {	3366	if ($@) {
2289	warn "$@";	3367	warn "$@",
2290	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2291	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2292	}	3370	}
2293		3371
2294	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2295	}	3373	}
2296		3374
…		…
2310	=cut	3388	=cut
2311		3389
2312	sub register_script_function {	3390	sub register_script_function {
2313	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2314		3392
2315	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2317	}	3395	}
2318		3396
2319	=back	3397	=back
2320		3398
2321	=cut	3399	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3400
2495	#############################################################################	3401	#############################################################################
2496	# the server's init and main functions	3402	# the server's init and main functions
2497		3403
2498	sub load_facedata($) {	3404	sub load_facedata($) {
2499	my ($path) = @_;	3405	my ($path) = @_;
2500		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2501	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2502		3414
2503	my $facedata;
2504	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2505	or die "$path: $!";	3416	or die "$path: $!";
2506		3417
2507	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2508		3419
2509	$facedata->{version} == 2	3420	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
2512	{	3432	{
2513	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2514		3434
2515	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3438	cf::face::set_visibility $idx, $info->{visibility};
		3439	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3442
		3443	cf::cede_to_tick;
2521	}	3444	}
2522		3445
2523	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2525	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2526	or next;	3450	or next;
		3451
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
		3453	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3455	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3457	}
2532	Coro::cede;	3458
		3459	cf::cede_to_tick;
2533	}	3460	}
2534	}	3461	}
2535		3462
2536	{	3463	{
2537	my $anims = $facedata->{animinfo};	3464	my $anims = $facedata->{animinfo};
2538		3465
2539	while (my ($anim, $info) = each %$anims) {	3466	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3468	cf::cede_to_tick;
2542	}	3469	}
2543		3470
2544	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2545	}	3472	}
2546		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
2547	1	3493	1
2548	}	3494	}
2549		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
2550	sub reload_regions {	3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
2551	load_resource_file "$MAPDIR/regions"	3519	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
2553	}	3526	}
2554		3527
2555	sub reload_facedata {	3528	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3529	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3530	or die "unable to load facedata\n";
…		…
2565	sub reload_treasures {	3538	sub reload_treasures {
2566	load_resource_file "$DATADIR/treasures"	3539	load_resource_file "$DATADIR/treasures"
2567	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
2568	}	3541	}
2569		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
2570	sub reload_resources {	3566	sub reload_resources {
2571	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
2572		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2573	reload_regions;	3574	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3575	reload_treasures;
2578		3576
2579	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2580	}	3578	}
2581		3579
2582	sub init {	3580	sub reload_config {
2583	reload_resources;	3581	trace "reloading config file...\n";
2584	}
2585		3582
2586	sub cfg_load {	3583	0 < aio_load "$CONFDIR/config", my $config
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3584	or die "$CONFDIR/config: $!";
2588	or return;
2589		3585
2590	local $/;	3586	utf8::decode $config;
2591	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = yaml_load $config;
2592		3588
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2594		3590
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597		3593
2598	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2602	};	3598	};
2603	warn $@ if $@;	3599	warn $@ if $@;
2604	}	3600	}
2605	}	3601	}
2606		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2607	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2608	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3644	(async {
2612	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2614	};	3648	};
2615		3649
2616	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2617	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2618	load_extensions;	3673	load_extensions;
2619		3674
2620	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2622	}	3693	}
2623		3694
2624	#############################################################################	3695	#############################################################################
2625	# initialisation and cleanup	3696	# initialisation and cleanup
2626		3697
2627	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2628	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2637	},
2638	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2639	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2640	}	3794	}
2641		3795
2642	sub emergency_save() {	3796	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2644		3798
2645	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2646		3805
2647	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2648	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3817	$pl->save;
2656	}	3818	}
2657	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2658		3820
2659	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3826	$map->valid or next;
2663	$map->save;	3827	$map->save;
2664	}	3828	}
2665	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2666		3830
2667	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2670	};	3859	};
2671		3860
2672	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2673	}	3862	}
2674		3863
2675	sub post_cleanup {	3864	sub post_cleanup {
2676	my ($make_core) = @_;	3865	my ($make_core) = @_;
2677		3866
		3867	IO::AIO::flush;
		3868
2678	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
2680	}	3899	}
2681		3900
2682	sub do_reload_perl() {	3901	sub do_reload_perl() {
2683	# can/must only be called in main	3902	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2685	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2686	return;	3905	return;
2687	}	3906	}
2688		3907
2689	warn "reloading...";	3908	return if $RELOAD++;
2690		3909
2691	warn "entering sync_job";	3910	my $t1 = AE::time;
2692		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2693	cf::sync_job {	3918	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark
2695	cf::emergency_save;	3919	#cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark
2697		3920
2698	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;
2700
2701	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();	3923	%EXT_CORO = ();
2722		3924
2723	warn "removing commands";	3925	trace "perl_reload: removing commands";
2724	%COMMAND = ();	3926	%COMMAND = ();
2725		3927
2726	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2727	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2728		3931
2729	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2732		3935
2733	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2734	eval {	3937	eval {
2735	$cb->($pkg);	3938	$cb->($pkg);
2736	1	3939	1
2737	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2738	}	3945	}
2739		3946
2740	warn "... nuking $pkg";
2741	Symbol::delete_package $pkg;
2742	}
2743
2744	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2745	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3950
2748	warn "... unloading $k";	3951	trace "... unloading $k";
2749	delete $INC{$k};	3952	delete $INC{$k};
2750		3953
2751	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2753		3956
2754	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2755	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2756	}	3962	}
2757		3963
2758	Symbol::delete_package $k;
2759	}
2760
2761	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3967
2765	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		3971
2769	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3973	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2772		3975
2773	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2774		3977
2775	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2776	require cf;	3979	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2778		3981
2779	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2780	cf::cfg_load;	3983	cf::reload_config;
2781		3984
2782	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2783	cf::load_extensions;	3986	cf::load_extensions;
2784		3987
		3988	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
2791		3996
2792	warn "leaving sync_job";	3997	cf::_post_init 1;
2793		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
2794	1	4001	1
2795	} or do {	4002	} or do {
2796	warn $@;	4003	error $@;
2797	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
2798	exit 1;	4005	};
		4006
		4007	--$RELOAD;
2799	};	4008	}
2800		4009
2801	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
2802	};	4012	};
2803		4013
2804	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
2805		4015
2806	sub reload_perl() {	4016	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
2809		4019
2810	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	4022
2813	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	4024	do_reload_perl;
2816	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
2817	},	4026	};
2818	);	4027	};
2819	}	4028	}
2820		4029
2821	register_command "reload" => sub {	4030	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2823		4032
2824	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	4037	reload_perl;
		4038	};
2827	}	4039	}
2828	};	4040	};
2829		4041
2830	unshift @INC, $LIBDIR;	4042	#############################################################################
2831		4043
2832	my $bug_warning = 0;	4044	my $bug_warning = 0;
2833		4045
2834	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
2836		4048
2837	sub wait_for_tick {	4049	sub wait_for_tick() {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840		4051
2841	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	4054	$signal->wait;
2844	}	4055	}
2845		4056
2846	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849		4059
2850	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	4062	$signal->wait;
2853	}	4063	}
2854		4064
2855	my $min = 1e6;#d#	4065	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2867	return;	4069	return;
2868	}	4070	}
2869		4071
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2873		4073
2874	0 && sync_job {#d#	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2875	for(1..10) {
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		4075
2880	$map->width (50);	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	4078	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	4079	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	4080	write_runtime_sync
2885		4081	or error "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	4082	};
		4083	}
2896		4084
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4086	$sig->send;
2913	}	4087	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	4089	$sig->send;
2916	}	4090	}
2917		4091
2918	$NOW = Event::time;	4092	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4094
2929	_post_tick;	4095	if (0) {
2930		4096	if ($NEXT_TICK) {
2931		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
2932	},	4101	}
2933	);	4102	}
2934		4103
2935	{	4104	{
2936	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4106
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
2946		4108	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4110
2962	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4118
2965	cf::sync_job {	4119	cf::sync_job {
2966	eval {	4120	eval {
2967	BDB::db_env_open	4121	BDB::db_env_open
2968	$DB_ENV,	4122	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4126	0666;
2973		4127
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4129	};
2979		4130
2980	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4132	};
2982	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
2983	}	4144	}
2984		4145
2985	{	4146	{
		4147	# configure IO::AIO
		4148
2986	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4152	}
2999		4153
3000	my $_log_backtrace;	4154	our $_log_backtrace;
		4155	our $_log_backtrace_last;
3001		4156
3002	sub _log_backtrace {	4157	sub _log_backtrace {
3003	my ($msg, @addr) = @_;	4158	my ($msg, @addr) = @_;
3004		4159
3005	$msg =~ s/\n//;	4160	$msg =~ s/\n$//;
3006		4161
		4162	if ($_log_backtrace_last eq $msg) {
		4163	LOG llevInfo, "[ABT] $msg\n";
		4164	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3007	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4166	} elsif ($_log_backtrace < 2) {
		4167	$_log_backtrace_last = $msg;
3009	++$_log_backtrace;	4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
3010	async {	4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
3011	my @bt = fork_call {	4173	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4174	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4177	or die "addr2line: $!";
…		…
3023	}	4185	}
3024		4186
3025	@funcs	4187	@funcs
3026	};	4188	};
3027		4189
3028	LOG llevInfo, "[ABT] $msg\n";	4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4192	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4193	--$_log_backtrace;
3031	};	4194	};
3032	} else {	4195	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4196	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4197	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3035	}	4198	}
3036	}	4199	}
3037		4200
3038	# load additional modules	4201	# load additional modules
3039	use cf::pod;	4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
3040		4204
3041	END { cf::emergency_save }	4205	END { cf::emergency_save }
3042		4206
3043	1	4207	1
3044		4208

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