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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 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	$self->post_load;
1588	}
1589		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2198	sub customise_for {
1591	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1592		2200
1593	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2202	if $self->per_player;
…		…
1598		2206
1599	$self	2207	$self
1600	}	2208	}
1601		2209
1602	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2211	sub load_neighbours {
1604	my ($map) = @_;	2212	my ($map) = @_;
1605		2213
1606	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1607		2215
1608	for (0 .. 3) {	2216	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1610	or next;	2218	or next;
1611	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1612	or next;	2220	or next;
1613	$neigh->load;	2221	$neigh->load;
1614		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2227	}
1618		2228
1619	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1621	or next;	2232	or next;
1622	$neigh->load;	2233	$neigh->load;
1623	}	2234	}
1624	}	2235	}
1625		2236
1626	sub find_sync {	2237	sub find_sync {
1627	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1628		2239
1629	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1630	}	2244	}
1631		2245
1632	sub do_load_sync {	2246	sub do_load_sync {
1633	my ($map) = @_;	2247	my ($map) = @_;
1634		2248
1635	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1636	}	2253	}
1637		2254
1638	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1640		2257
1641	sub find_async {	2258	sub find_async {
1642	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1643		2260
1644	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1645		2262
1646	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2265	}
1649		2266
1650	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1651	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1652	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2274	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2275	$map->load if $v;
		2276	}
1657		2277
1658	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
1659	}	2279	}
1660	}	2280	}
1661	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
1662	};	2282	};
1663	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
1664		2284
1665	()	2285	()
1666	}	2286	}
1667		2287
		2288	# common code, used by both ->save and ->swapout
1668	sub save {	2289	sub _save {
1669	my ($self) = @_;	2290	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2291
1673	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1674		2293
1675	return unless $self->dirty;	2294	return unless $self->dirty;
1676		2295
…		…
1682	return if $self->{deny_save};	2301	return if $self->{deny_save};
1683		2302
1684	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
1685		2304
1686	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
1688	};	2308	};
		2309
		2310	cf::get_slot 0.02;
1689		2311
1690	if ($uniq) {	2312	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2315	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2317	}
1696	}	2318	}
1697		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
1698	sub swap_out {	2328	sub swap_out {
1699	my ($self) = @_;	2329	my ($self) = @_;
1700		2330
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1706	return if $self->players;	2335	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
1710	$self->clear;	2346	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2347	}
1713		2348
1714	sub reset_at {	2349	sub reset_at {
1715	my ($self) = @_;	2350	my ($self) = @_;
1716		2351
…		…
1734		2369
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2371
1737	return if $self->players;	2372	return if $self->players;
1738		2373
1739	warn "resetting map ", $self->path;	2374	cf::trace "resetting map ", $self->path, "\n";
1740		2375
1741	$self->in_memory (cf::MAP_SWAPPED);	2376	$self->in_memory (cf::MAP_SWAPPED);
1742		2377
1743	# need to save uniques path	2378	# need to save uniques path
1744	unless ($self->{deny_save}) {	2379	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2383	if $uniq;
1749	}	2384	}
1750		2385
1751	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1752		2387
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2390	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2391
1757	$self->unlink_save;	2392	$self->unlink_save;
1758	$self->destroy;	2393	$self->destroy;
1759	}	2394	}
1760		2395
1761	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
1762		2397
1763	sub nuke {	2398	sub nuke {
1764	my ($self) = @_;	2399	my ($self) = @_;
1765		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
1766	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
1767		2405
1768	$self->unlink_save;	2406	$self->unlink_save;
1769		2407
1770	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2413
1776	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
1777		2416
1778	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
1779	}	2418	}
1780		2419
1781	=item $maps = cf::map::tmp_maps	2420	=item $maps = cf::map::tmp_maps
…		…
1823		2462
1824	sub unique_maps() {	2463	sub unique_maps() {
1825	[	2464	[
1826	map {	2465	map {
1827	utf8::decode $_;	2466	utf8::decode $_;
1828	/\.map$/	2467	s/\.map$//; # TODO future compatibility hack
		2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
1829	? normalise $_	2470	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2471	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2472	]
1833	}	2473	}
1834		2474
1835	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
1836		2506
1837	=back	2507	=back
1838		2508
1839	=head3 cf::object	2509	=head3 cf::object
1840		2510
…		…
1844		2514
1845	=over 4	2515	=over 4
1846		2516
1847	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
1848		2518
1849	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
1850		2521
1851	=cut	2522	=cut
1852		2523
1853	sub inv_recursive_;	2524	sub inv_recursive_;
1854	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
1857		2528
1858	sub inv_recursive {	2529	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
1860	}	2531	}
1861		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
1862	package cf;	2561	package cf;
1863		2562
1864	=back	2563	=back
1865		2564
1866	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
1872	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1873	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
1874	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
1875		2574
1876	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
1877		2590
1878	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2592	# with dialog boxes.
1880	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
1881	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
1883		2596
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2597	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2598
1886	if ($self->{record_replies}) {	2599	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2600	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2601
1888	} else {	2602	} else {
		2603	my $pl = $self->contr;
		2604
		2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2606	my $dialog = $pl->{npc_dialog};
		2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2608
		2609	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2612	}
1891	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
1892	}	2624	}
1893		2625
1894	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
1895		2627
1896	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
1909		2641
1910	=item $player_object->enter_link	2642	=item $player_object->enter_link
1911		2643
1912	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
1913		2645
1914	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
1915	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
1916		2650
1917	Will never block.	2651	Will never block.
1918		2652
1919	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
1920		2654
…		…
1940	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
1941	my ($self) = @_;	2675	my ($self) = @_;
1942		2676
1943	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
1944		2678
		2679	++$self->{_link_recursion};
		2680
1945	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
1946		2682
1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1948	if $self->map && $self->map->{path} ne "{link}";	2684	if $self->map && $self->map->{path} ne "{link}";
1949		2685
1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1951	}	2687	}
1952		2688
1953	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
1954	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
1955		2691
…		…
1972	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
1973	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
1974		2710
1975	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
1978		2714
1979	$map->load;	2715	$map->load;
1980	$map->load_diag;	2716	$map->load_neighbours;
1981		2717
1982	return unless $self->contr->active;	2718	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2719
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2721	if ($self->enter_map ($map, $x, $y)) {
1987	}	2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
		2725	$self->activate_recursive;
		2726	}
1988		2727
		2728	}
		2729
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1990		2731
1991	Moves the player to the given map-path and coordinates by first freezing	2732	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2733	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2734	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
1995		2740
1996	=cut	2741	=cut
1997		2742
1998	our $GOTOGEN;	2743	our $GOTOGEN;
1999		2744
2000	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
2002		2753
2003	# do generation counting so two concurrent goto's will be executed in-order	2754	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2756
2006	$self->enter_link;	2757	$self->enter_link;
2007		2758
2008	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
2009	my $map = eval {	2781	my $map = eval {
2010	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
2011		2783
2012	if ($map) {	2784	if ($map) {
2013	$map = $map->customise_for ($self);	2785	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2786	$map = $check->($map, $x, $y, $self) if $check && $map;
2015	} else {	2787	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2789	}
2018		2790
2019	$map	2791	$map
2020	};	2792	};
2021		2793
…		…
2026		2798
2027	if ($gen == $self->{_goto_generation}) {	2799	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2800	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
2030	}	2802	}
		2803
		2804	$done->($self) if $done;
2031	})->prio (1);	2805	})->prio (1);
2032	}	2806	}
2033		2807
2034	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
2035		2809
…		…
2055	}	2829	}
2056		2830
2057	sub prepare_random_map {	2831	sub prepare_random_map {
2058	my ($exit) = @_;	2832	my ($exit) = @_;
2059		2833
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2836	# that depends on the exit object
2065		2837
2066	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2840	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
2073	}	2847	}
2074		2848
2075	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
2076		2850
2077	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
2080		2854
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2857	undef $fh;
2084	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
2085		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
2088	}	2866	}
2089	}	2867	}
2090		2868
2091	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
2093		2871
2094	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
2095		2873
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2874	$self->enter_link;
2108		2875
2109	(async {	2876	(async {
2110	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
2111	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
2112	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
2113		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
2114	1;	2900	1
2115	}) {	2901	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
2118	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2906
2121	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
2122	$self->leave_link;	2908	$self->leave_link;
2123	}	2909	}
2124	})->prio (1);	2910	})->prio (1);
2125	}	2911	}
2126		2912
…		…
2140		2926
2141	utf8::encode $text;	2927	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2929	}
2144		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
		2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2957
		2958	Send a drawinfo or msg packet to the client, formatting the msg for the
		2959	client if neccessary. C<$type> should be a string identifying the type of
		2960	the message, with C<log> being the default. If C<$color> is negative, suppress
		2961	the message unless the client supports the msg packet.
		2962
		2963	=cut
		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
		3079	sub cf::client::send_msg {
		3080	my ($self, $channel, $msg, $color, @extra) = @_;
		3081
		3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
		3103
		3104	return unless @extra || length $msg;
		3105
		3106	# default colour, mask it out
		3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3108	if $color & cf::NDI_DEF;
		3109
		3110	my $pkt = "msg "
		3111	. $self->{json_coder}->encode (
		3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3113	);
		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
2145	=item $client->ext_event ($type, %msg)	3118	=item $client->ext_msg ($type, @msg)
2146		3119
2147	Sends an exti event to the client.	3120	Sends an ext event to the client.
2148		3121
2149	=cut	3122	=cut
2150		3123
2151	sub cf::client::ext_event($$%) {	3124	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	3125	my ($self, $type, @msg) = @_;
2153		3126
		3127	if ($self->extcmd == 2) {
		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	3130	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
2156	}	3151	}
2157		3152
2158	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
2159		3154
2160	Queues a query to the client, calling the given callback with	3155	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3156	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3157	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		3158
2164	Queries can fail, so check the return code. Or don't, as queries will become	3159	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	3160	become reliable at some point in the future.
2166		3161
2167	=cut	3162	=cut
2168		3163
2169	sub cf::client::query {	3164	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	3165	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	3173	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3174	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		3175
2181	$self->send_packet ($self->{query_queue}[0][0])	3176	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	3177	if @{ $self->{query_queue} } == 1;
		3178
		3179	1
2183	}	3180	}
2184		3181
2185	cf::client->attach (	3182	cf::client->attach (
		3183	on_connect => sub {
		3184	my ($ns) = @_;
		3185
		3186	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3187	},
2186	on_reply => sub {	3188	on_reply => sub {
2187	my ($ns, $msg) = @_;	3189	my ($ns, $msg) = @_;
2188		3190
2189	# this weird shuffling is so that direct followup queries	3191	# this weird shuffling is so that direct followup queries
2190	# get handled first	3192	# get handled first
…		…
2202	} else {	3204	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3205	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3206	}
2205	}	3207	}
2206	},	3208	},
		3209	on_exticmd => sub {
		3210	my ($ns, $buf) = @_;
		3211
		3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3213
		3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
		3222	if (my $cb = $EXTICMD{$type}) {
		3223	@reply = $cb->($ns, @payload);
		3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
		3229	} else {
		3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3231	}
		3232
		3233	cf::override;
		3234	},
2207	);	3235	);
2208		3236
2209	=item $client->async (\&cb)	3237	=item $client->async (\&cb)
2210		3238
2211	Create a new coroutine, running the specified callback. The coroutine will	3239	Create a new coroutine, running the specified callback. The coroutine will
…		…
2227		3255
2228	$coro	3256	$coro
2229	}	3257	}
2230		3258
2231	cf::client->attach (	3259	cf::client->attach (
2232	on_destroy => sub {	3260	on_client_destroy => sub {
2233	my ($ns) = @_;	3261	my ($ns) = @_;
2234		3262
2235	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2236	},	3264	},
2237	);	3265	);
…		…
2252	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2254		3282
2255	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2256		3284
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2258		3290
2259	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2260		3292
2261	=pod	3293	=pod
2262		3294
2263	The following functions and methods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2264		3296
2265	cf::object contr pay_amount pay_player map	3297	cf::object
		3298	contr pay_amount pay_player map x y force_find force_add destroy
		3299	insert remove name archname title slaying race decrease split
		3300	value
		3301
2266	cf::object::player player	3302	cf::object::player
2267	cf::player peaceful	3303	player
2268	cf::map trigger	3304
		3305	cf::player
		3306	peaceful
		3307
		3308	cf::map
		3309	trigger
2269		3310
2270	=cut	3311	=cut
2271		3312
2272	for (	3313	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2274	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2277	) {	3320	) {
2278	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2281	for @funs;	3323	for @funs;
2282	}	3324	}
2283		3325
…		…
2298		3340
2299	my $qcode = $code;	3341	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2302		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2303	local $_;	3348	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;
2305		3349
2306	my $eval =	3350	my $eval =
2307	"do {\n"	3351	"do {\n"
2308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2309	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2310	. $code	3354	. $code
2311	. "\n}"	3355	. "\n}"
2312	;	3356	;
2313		3357
		3358	if ($CFG{safe_eval}) {
2314	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2315	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2316	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2317		3367
2318	if ($@) {	3368	if ($@) {
2319	warn "$@";	3369	warn "$@",
2320	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2321	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2322	}	3372	}
2323		3373
2324	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2325	}	3375	}
2326		3376
…		…
2340	=cut	3390	=cut
2341		3391
2342	sub register_script_function {	3392	sub register_script_function {
2343	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2344		3394
2345	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2346	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2347	}	3397	}
2348		3398
2349	=back	3399	=back
2350		3400
2351	=cut	3401	=cut
2352
2353	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524		3402
2525	#############################################################################	3403	#############################################################################
2526	# the server's init and main functions	3404	# the server's init and main functions
2527		3405
2528	sub load_facedata($) {	3406	sub load_facedata($) {
2529	my ($path) = @_;	3407	my ($path) = @_;
2530		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2531	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2532		3416
2533	my $facedata;
2534	0 < aio_load $path, $facedata	3417	0 < aio_load $path, my $facedata
2535	or die "$path: $!";	3418	or die "$path: $!";
2536		3419
2537	$facedata = Coro::Storable::thaw $facedata;	3420	$facedata = Coro::Storable::thaw $facedata;
2538		3421
2539	$facedata->{version} == 2	3422	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
2542	{	3434	{
2543	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2544		3436
2545	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2550	Coro::cede;	3444
		3445	cf::cede_to_tick;
2551	}	3446	}
2552		3447
2553	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2555	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2556	or next;	3452	or next;
		3453
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3457	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3459	}
2562	Coro::cede;	3460
		3461	cf::cede_to_tick;
2563	}	3462	}
2564	}	3463	}
2565		3464
2566	{	3465	{
2567	my $anims = $facedata->{animinfo};	3466	my $anims = $facedata->{animinfo};
2568		3467
2569	while (my ($anim, $info) = each %$anims) {	3468	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3470	cf::cede_to_tick;
2572	}	3471	}
2573		3472
2574	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2575	}	3474	}
2576		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
2577	1	3495	1
2578	}	3496	}
2579		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
2580	sub reload_regions {	3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
2581	load_resource_file "$MAPDIR/regions"	3521	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
2583	}	3528	}
2584		3529
2585	sub reload_facedata {	3530	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3531	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3532	or die "unable to load facedata\n";
…		…
2595	sub reload_treasures {	3540	sub reload_treasures {
2596	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
2597	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
2598	}	3543	}
2599		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
2600	sub reload_resources {	3568	sub reload_resources {
2601	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
2602		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
2603	reload_regions;	3576	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3577	reload_treasures;
2608		3578
2609	warn "finished reloading resource files\n";	3579	trace "finished reloading resource files\n";
2610	}	3580	}
2611		3581
2612	sub init {	3582	sub reload_config {
2613	reload_resources;	3583	trace "reloading config file...\n";
2614	}
2615		3584
2616	sub cfg_load {	3585	0 < aio_load "$CONFDIR/config", my $config
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3586	or die "$CONFDIR/config: $!";
2618	or return;
2619		3587
2620	local $/;	3588	utf8::decode $config;
2621	*CFG = YAML::Syck::Load <$fh>;	3589	*CFG = yaml_load $config;
2622		3590
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2624		3592
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2627		3595
2628	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2632	};	3600	};
2633	warn $@ if $@;	3601	warn $@ if $@;
2634	}	3602	}
2635	}	3603	}
2636		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
2637	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2638	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3646	(async {
2642	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2644	};	3650	};
2645		3651
2646	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
2647	db_init;	3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
2648	load_extensions;	3675	load_extensions;
2649		3676
2650	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
2651	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
2652	}	3695	}
2653		3696
2654	#############################################################################	3697	#############################################################################
2655	# initialisation and cleanup	3698	# initialisation and cleanup
2656		3699
2657	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
2658	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
2667	},
2668	);	3706	};
		3707	}
		3708	}
		3709
		3710	sub write_runtime_sync {
		3711	my $t0 = AE::time;
		3712
		3713	# first touch the runtime file to show we are still running:
		3714	# the fsync below can take a very very long time.
		3715
		3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3717
		3718	my $guard = cf::lock_acquire "write_runtime";
		3719
		3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3721	or return;
		3722
		3723	my $value = $cf::RUNTIME + 90 + 10;
		3724	# 10 is the runtime save interval, for a monotonic clock
		3725	# 60 allows for the watchdog to kill the server.
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	# touch it again to show we are up-to-date
		3735	aio_utime $fh, undef, undef;
		3736
		3737	close $fh
		3738	or return;
		3739
		3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3741	and return;
		3742
		3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3744
2669	}	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
2670	}	3796	}
2671		3797
2672	sub emergency_save() {	3798	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
2674		3800
2675	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
2676		3807
2677	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
2678	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3819	$pl->save;
2686	}	3820	}
2687	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
2688		3822
2689	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3828	$map->valid or next;
2693	$map->save;	3829	$map->save;
2694	}	3830	}
2695	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
2696		3832
2697	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
2700	};	3861	};
2701		3862
2702	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
2703	}	3864	}
2704		3865
2705	sub post_cleanup {	3866	sub post_cleanup {
2706	my ($make_core) = @_;	3867	my ($make_core) = @_;
2707		3868
		3869	IO::AIO::flush;
		3870
2708	warn Carp::longmess "post_cleanup backtrace"	3871	error Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
2710	}	3901	}
2711		3902
2712	sub do_reload_perl() {	3903	sub do_reload_perl() {
2713	# can/must only be called in main	3904	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
2715	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
2716	return;	3907	return;
2717	}	3908	}
2718		3909
2719	warn "reloading...";	3910	return if $RELOAD++;
2720		3911
2721	warn "entering sync_job";	3912	my $t1 = AE::time;
2722		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
2723	cf::sync_job {	3920	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark
2725	cf::emergency_save;	3921	#cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark
2727		3922
2728	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;
2730
2731	# if anything goes wrong in here, we should simply crash as we already saved
2732
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();	3925	%EXT_CORO = ();
2752		3926
2753	warn "removing commands";	3927	trace "perl_reload: removing commands";
2754	%COMMAND = ();	3928	%COMMAND = ();
2755		3929
2756	warn "removing ext commands";	3930	trace "perl_reload: removing ext/exti commands";
2757	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2758		3933
2759	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2762		3937
2763	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2764	eval {	3939	eval {
2765	$cb->($pkg);	3940	$cb->($pkg);
2766	1	3941	1
2767	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2768	}	3947	}
2769		3948
2770	warn "... nuking $pkg";
2771	Symbol::delete_package $pkg;
2772	}
2773
2774	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2775	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3952
2778	warn "... unloading $k";	3953	trace "... unloading $k";
2779	delete $INC{$k};	3954	delete $INC{$k};
2780		3955
2781	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2783		3958
2784	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2785	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2786	}	3964	}
2787		3965
2788	Symbol::delete_package $k;
2789	}
2790
2791	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3969
2795	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		3973
2799	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3975	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2802		3977
2803	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
2804		3979
2805	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
2806	require cf;	3981	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2808		3983
2809	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
2810	cf::cfg_load;	3985	cf::reload_config;
2811		3986
2812	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
2813	cf::load_extensions;	3988	cf::load_extensions;
2814		3989
		3990	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3995	trace "perl_reload: reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2821		3998
2822	warn "leaving sync_job";	3999	cf::_post_init 1;
2823		4000
		4001	trace "perl_reload: leaving sync_job";
		4002
2824	1	4003	1
2825	} or do {	4004	} or do {
2826	warn $@;	4005	error $@;
2827	warn "error while reloading, exiting.";	4006	cf::cleanup "perl_reload: error, exiting.";
2828	exit 1;	4007	};
		4008
		4009	--$RELOAD;
2829	};	4010	}
2830		4011
2831	warn "reloaded";	4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
2832	};	4014	};
2833		4015
2834	our $RELOAD_WATCHER; # used only during reload	4016	our $RELOAD_WATCHER; # used only during reload
2835		4017
2836	sub reload_perl() {	4018	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	4019	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	4020	# coro crashes during coro_state_free->destroy here.
2839		4021
2840	$RELOAD_WATCHER ||= Event->timer (	4022	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	4023	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	4024
2843	data => WF_AUTOCANCEL,	4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	4026	do_reload_perl;
2846	undef $RELOAD_WATCHER;	4027	undef $RELOAD_WATCHER;
2847	},	4028	};
2848	);	4029	};
2849	}	4030	}
2850		4031
2851	register_command "reload" => sub {	4032	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
2853		4034
2854	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
		4037	async {
		4038	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	4039	reload_perl;
		4040	};
2857	}	4041	}
2858	};	4042	};
2859		4043
2860	unshift @INC, $LIBDIR;	4044	#############################################################################
2861		4045
2862	my $bug_warning = 0;	4046	my $bug_warning = 0;
2863		4047
2864	our @WAIT_FOR_TICK;	4048	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	4049	our @WAIT_FOR_TICK_BEGIN;
2866		4050
2867	sub wait_for_tick {	4051	sub wait_for_tick() {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2870		4053
2871	my $signal = new Coro::Signal;	4054	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	4055	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	4056	$signal->wait;
2874	}	4057	}
2875		4058
2876	sub wait_for_tick_begin {	4059	sub wait_for_tick_begin() {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2879		4061
2880	my $signal = new Coro::Signal;	4062	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	4063	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	4064	$signal->wait;
2883	}	4065	}
2884		4066
2885	my $min = 1e6;#d#	4067	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
2897	return;	4071	return;
2898	}	4072	}
2899		4073
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
2903		4075
2904	0 && sync_job {#d#	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		4077
2910	$map->width (50);	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	4080	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	4081	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	4082	write_runtime_sync
2915		4083	or error "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	4084	};
		4085	}
2926		4086
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	4088	$sig->send;
2943	}	4089	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	4090	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	4091	$sig->send;
2946	}	4092	}
2947		4093
2948	$NOW = Event::time;	4094	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		4096
2959	_post_tick;	4097	if (0) {
2960		4098	if ($NEXT_TICK) {
2961		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
2962	},	4103	}
2963	);	4104	}
2964		4105
2965	{	4106	{
2966	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	4108
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	4109	BDB::min_parallel 16;
2976		4110	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	4111	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		4112
2992	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		4120
2995	cf::sync_job {	4121	cf::sync_job {
2996	eval {	4122	eval {
2997	BDB::db_env_open	4123	BDB::db_env_open
2998	$DB_ENV,	4124	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	4128	0666;
3003		4129
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	4131	};
3009		4132
3010	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	4134	};
3012	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
3013	}	4146	}
3014		4147
3015	{	4148	{
		4149	# configure IO::AIO
		4150
3016	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	4153	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	4154	}
3029		4155
3030	my $_log_backtrace;	4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
3031		4158
3032	sub _log_backtrace {	4159	sub _log_backtrace {
3033	my ($msg, @addr) = @_;	4160	my ($msg, @addr) = @_;
3034		4161
3035	$msg =~ s/\n//;	4162	$msg =~ s/\n$//;
3036		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3037	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
3039	++$_log_backtrace;	4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
3040	async {	4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
3041	my @bt = fork_call {	4175	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	4176	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	4179	or die "addr2line: $!";
…		…
3053	}	4187	}
3054		4188
3055	@funcs	4189	@funcs
3056	};	4190	};
3057		4191
3058	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	4194	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	4195	--$_log_backtrace;
3061	};	4196	};
3062	} else {	4197	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	4198	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3065	}	4200	}
3066	}	4201	}
3067		4202
3068	# load additional modules	4203	# load additional modules
3069	use cf::pod;	4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
3070		4206
3071	END { cf::emergency_save }	4207	END { cf::emergency_save }
3072		4208
3073	1	4209	1
3074		4210

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