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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 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 cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
249	=item cf::lock_wait $string	376	=item cf::lock_wait $string
250		377
251	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
252		379
253	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
254		381
255	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
258	returned.	385	returned.
259		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
260	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
262		392
263	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
264		394
265	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
266		396
267	=cut	397	=cut
268		398
269	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
270		400
271	sub lock_wait($) {	401	sub lock_wait($) {
272	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	403	}
280		404
281	sub lock_acquire($) {	405	sub lock_acquire($) {
282	my ($key) = @_;	406	$LOCKS->guard ($_[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	}	407	}
294		408
295	sub lock_active($) {	409	sub lock_active($) {
296	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	411	}
300		412
301	sub freeze_mainloop {	413	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
303		415
304	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
306	};	483	}
307	$TICK_WATCHER->stop;	484	};
308	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
309	}	499	}
310		500
311	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
312		502
313	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		508
319	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
320		510
321	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
322		512
323	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
326		517
327	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
330	fast or be very important.	521	fast or be very important.
…		…
332	=cut	523	=cut
333		524
334	sub sync_job(&) {	525	sub sync_job(&) {
335	my ($job) = @_;	526	my ($job) = @_;
336		527
337	if ($Coro::current == $Coro::main) {	528	if (in_main) {
338	my $time = Event::time;	529	my $time = AE::time;
339		530
340	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
342		533
343	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	535
345	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
346		537
347	my $busy = 1;	538	my $busy = 1;
348	my @res;	539	my @res;
349		540
350	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	543	@res = eval { $job->() };
352	warn $@ if $@;	544	error $@ if $@;
353	undef $busy;	545	undef $busy;
354	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
355		547
356	while ($busy) {	548	while ($busy) {
357	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
358	}	553	}
		554	}
359		555
360	$time = Event::time - $time;	556	my $time = AE::time - $time;
361		557
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	558	$TICK_START += $time; # do not account sync jobs to server load
366		559
367	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
368	} else {	561	} else {
369	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
370		563
…		…
390	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
391		584
392	$coro	585	$coro
393	}	586	}
394		587
395	sub write_runtime {	588	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		589
398	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
400		594
401	IO::AIO::aio_utime $runtime, undef, undef;	595	=cut
402		596
403	my $guard = cf::lock_acquire "write_runtime";	597	sub post_fork {
		598	reset_signals;
		599	}
404		600
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	601	sub fork_call(&@) {
406	or return;	602	my ($cb, @args) = @_;
407		603
408	my $value = $cf::RUNTIME + 90 + 10;	604	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	605	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	606	# TODO: investigate and fix (likely this will be rather laborious)
411		607
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	608	my @res = Coro::Util::fork_eval {
413	and return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
414		612
415	# always fsync - this file is important	613	wantarray ? @res : $res[-1]
416	aio_fsync $fh	614	}
417	and return;
418		615
419	# touch it again to show we are up-to-date	616	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";#d#
429
430	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
431	}	781	}
432		782
433	=item cf::datalog type => key => value, ...	783	=item cf::datalog type => key => value, ...
434		784
435	Log a datalog packet of the given type with the given key-value pairs.	785	Log a datalog packet of the given type with the given key-value pairs.
436		786
437	=cut	787	=cut
438		788
439	sub datalog($@) {	789	sub datalog($@) {
440	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	792	}
443		793
444	=back	794	=back
445		795
446	=cut	796	=cut
447		797
448	#############################################################################	798	#############################################################################
449		799
450	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
451		801
452	Many objects in crossfire are so-called attachable objects. That means you can	802	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")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
455		805
456	In the following description, CLASS can be any of C<global>, C<object>	806	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	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	808	Deliantra).
459		809
460	=over 4	810	=over 4
461		811
462	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
463		813
…		…
507	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
508		858
509	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
511		861
512	Some classes such as crossfire maps and objects can specify attachments	862	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.	863	that are attached at load/instantiate time, thus the need for a name.
514		864
515	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
516		866
517	=over 4	867	=over 4
…		…
641		991
642	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		994
645	} elsif (ref $type) {	995	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
647		997
648	} else {	998	} else {
649	shift @arg;	999	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
651	}	1001	}
652	}	1002	}
653	}	1003	}
654		1004
655	sub _object_attach {	1005	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
666	}	1016	}
667		1017
668	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
669	} else {	1019	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1021	}
672		1022
673	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
674	}	1024	}
675		1025
…		…
715	";	1065	";
716	die if $@;	1066	die if $@;
717	}	1067	}
718		1068
719	our $override;	1069	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1071
722	sub override {	1072	sub override {
723	$override = 1;	1073	$override = 1;
724	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
725	}	1075	}
726		1076
727	sub do_invoke {	1077	sub do_invoke {
728	my $event = shift;	1078	my $event = shift;
729	my $callbacks = shift;	1079	my $callbacks = shift;
730		1080
731	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
732		1082
733	local $override;	1083	local $override;
734		1084
735	for (@$callbacks) {	1085	for (@$callbacks) {
736	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
737		1087
738	if ($@) {	1088	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1090	override;
742	}	1091	}
743		1092
744	return 1 if $override;	1093	return 1 if $override;
745	}	1094	}
746		1095
747	0	1096	0
748	}	1097	}
749		1098
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1100
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1102
754	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
755		1104
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	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	1106	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1108
760	=back	1109	=back
761		1110
762	=cut	1111	=cut
763		1112
764	#############################################################################	1113	#############################################################################
765	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
766		1157
767	sub reattach {	1158	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1160	my ($obj) = @_;
770		1161
		1162	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1164
773	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
774		1166
775	@$registry = ();	1167	@$registry = ();
776		1168
…		…
781	for (@$attach) {	1173	for (@$attach) {
782	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
784	}	1176	}
785	} else {	1177	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1179	}
788	}	1180	}
789	}	1181	}
790		1182
791	cf::attachable->attach (	1183	cf::attachable->attach (
792	prio => -1000000,	1184	prio => -1000000,
793	on_instantiate => sub {	1185	on_instantiate => sub {
794	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
795		1187
796	$data = from_json $data;	1188	$data = decode_json $data;
797		1189
798	for (@$data) {	1190	for (@$data) {
799	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
800		1192
801	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1209	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
819		1211
820	sync_job {	1212	sync_job {
821	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
824		1218
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
829	close $fh;	1226	aio_close $fh;
830		1227
831	if (@$objs) {	1228	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
837	close $fh;	1237	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
839	}	1239	}
840	} else {	1240	} else {
841	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
842	}	1242	}
843		1243
844	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1248	} else {
846	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
847	}	1250	}
848	} else {	1251	} else {
849	aio_unlink $filename;	1252	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
851	}	1254	}
852	}	1255	};
853	}	1256	}
854		1257
855	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
857		1260
…		…
869	or return;	1272	or return;
870		1273
871	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
873	or return;	1276	or return;
		1277
874	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
875	}	1280	}
876		1281
		1282	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
879	return ($data, $av);	1287	($data, $av)
880	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
881		1295
882	#############################################################################	1296	#############################################################################
883	# command handling &c	1297	# command handling &c
884		1298
885	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1313	}
900		1314
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1316
903	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
904		1322
905	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
906	called.	1324	called.
907		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
908	=cut	1337	=cut
909		1338
910	sub register_extcmd {	1339	sub register_extcmd {
911	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
912		1341
913	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
914	}	1343	}
915		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
916	cf::player->attach (	1353	cf::player->attach (
917	on_command => sub {	1354	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
919		1356
920	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
921	or return;	1358	or return;
922		1359
…		…
927	cf::override;	1364	cf::override;
928	},	1365	},
929	on_extcmd => sub {	1366	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
931		1368
932	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1370
934	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
940	} else {	1386	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1388	}
943		1389
944	cf::override;	1390	cf::override;
945	},	1391	},
946	);	1392	);
947		1393
		1394	# "readahead" all extensions
948	sub load_extension {	1395	sub cache_extensions {
949	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
950		1397
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1400	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	}	1401	}
976	die $@;
977	}	1402	};
978		1403
979	push @EXTS, $pkg;	1404	$grp
980	}	1405	}
981		1406
982	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
983	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1414	next unless -r $path;
985	eval {	1415
986	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
987	1	1479	}
988	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
989	}	1490	};
990	}	1491	}
991		1492
992	#############################################################################	1493	#############################################################################
993		1494
		1495	=back
		1496
994	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
995		1498
996	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
997		1500
998	=cut	1501	=cut
999		1502
1000	package cf::player;	1503	package cf::player;
1001		1504
1002	use Coro::AIO;	1505	use Coro::AIO;
1003		1506
1004	=head3 cf::player	1507	=head3 cf::player
1005		1508
1006	=over 4	1509	=over 4
		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
1007		1524
1008	=item cf::player::find $login	1525	=item cf::player::find $login
1009		1526
1010	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1011		1528
…		…
1030		1547
1031	sub exists($) {	1548	sub exists($) {
1032	my ($login) = @_;	1549	my ($login) = @_;
1033		1550
1034	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
1036	}	1553	}
1037		1554
1038	sub find($) {	1555	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1557	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1568
1052	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1055	}	1578	}
1056	}	1579	}
1057	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1058		1594
1059	sub save($) {	1595	sub save($) {
1060	my ($pl) = @_;	1596	my ($pl) = @_;
1061		1597
1062	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1068		1604
1069	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1071		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1072	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1073	Coro::cede;	1614	cf::cede_to_tick;
1074	}	1615	}
1075		1616
1076	sub new($) {	1617	sub new($) {
1077	my ($login) = @_;	1618	my ($login) = @_;
1078		1619
…		…
1084	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1085		1626
1086	$self	1627	$self
1087	}	1628	}
1088		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1089	=item $pl->quit_character	1640	=item $pl->quit_character
1090		1641
1091	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1093		1644
…		…
1097	my ($pl) = @_;	1648	my ($pl) = @_;
1098		1649
1099	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1100		1651
1101	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1654
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1108		1663
1109	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1701	or return [];
1147		1702
1148	my @logins;	1703	my @logins;
1149		1704
1150	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1154		1715
1155	utf8::decode $login;	1716	utf8::decode $login;
1156	push @logins, $login;	1717	push @logins, $login;
1157	}	1718	}
1158		1719
1159	\@logins	1720	\@logins
1160	}	1721	}
1161		1722
1162	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1163		1726
1164	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1165	player. May block.	1728	player. May block.
1166		1729
1167	=cut	1730	=cut
…		…
1185	}	1748	}
1186		1749
1187	\@paths	1750	\@paths
1188	}	1751	}
1189		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1190	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1191		1758
1192	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1193		1760
1194	=cut	1761	=cut
1195		1762
1196	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1198		1765
1199	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1767	}
1203		1768
1204	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1205		1770
1206	Sends an ext event to the client.	1771	Sends an ext event to the client.
1207		1772
1208	=cut	1773	=cut
1209		1774
1210	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1212		1777
1213	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1214	}	1779	}
1215		1780
1216	=head3 cf::region	1781	=head3 cf::region
1217		1782
1218	=over 4	1783	=over 4
…		…
1221		1786
1222	package cf::region;	1787	package cf::region;
1223		1788
1224	=item cf::region::find_by_path $path	1789	=item cf::region::find_by_path $path
1225		1790
1226	Tries to decuce the probable region for a map knowing only its path.	1791	Tries to decuce the likely region for a map knowing only its path.
1227		1792
1228	=cut	1793	=cut
1229		1794
1230	sub find_by_path($) {	1795	sub find_by_path($) {
1231	my ($path) = @_;	1796	my ($path) = @_;
1232		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1233	my ($match, $specificity);	1800	my ($match, $specificity);
1234		1801
1235	for my $region (list) {	1802	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1239	}	1806	}
1240	}	1807	}
1241		1808
…		…
1262	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1264		1831
1265	sub generate_random_map {	1832	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1267	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1838	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290		1860
1291	sub register {	1861	sub register {
1292	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1863	my $pkg = caller;
1294		1864
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1866
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1868	}
1300		1869
1301	# also paths starting with '/'	1870	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1872
1304	sub thawer_merge {	1873	sub thawer_merge {
1305	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1306		1875
1307	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1308	local $self->{path};	1877	local $self->{path};
1309	local $self->{load_path};	1878	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1879
1313	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1314	}	1881	}
1315		1882
1316	sub normalise {	1883	sub normalise {
1317	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1318		1885
1319	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1320		1887
1321	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1322		1889
1323	# map plan:	1890	# map plan:
1324	#	1891	#
…		…
1363	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1364	return $self;	1931	return $self;
1365	}	1932	}
1366	}	1933	}
1367		1934
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	1936	()
1370	}	1937	}
1371		1938
1372	sub init {	1939	sub init {
1373	my ($self) = @_;	1940	my ($self) = @_;
…		…
1395		1962
1396	# the temporary/swap location	1963	# the temporary/swap location
1397	sub save_path {	1964	sub save_path {
1398	my ($self) = @_;	1965	my ($self) = @_;
1399		1966
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1968	"$TMPDIR/$path.map"
1402	}	1969	}
1403		1970
1404	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1405	sub uniq_path {	1972	sub uniq_path {
1406	my ($self) = @_;	1973	my ($self) = @_;
1407		1974
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1976	"$UNIQUEDIR/$path"
1410	}	1977	}
1411		1978
1412	# and all this just because we cannot iterate over	1979	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1980	my ($self) = @_;
1416		1981
1417	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1419	}	1985	}
1420		1986
1421	sub unlink_save {	1987	sub unlink_save {
1422	my ($self) = @_;	1988	my ($self) = @_;
1423		1989
…		…
1428		1994
1429	sub load_header_from($) {	1995	sub load_header_from($) {
1430	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1431		1997
1432	utf8::encode $path;	1998	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1438		2007
1439	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1440		2009
1441	1	2010	1
1442	}	2011	}
…		…
1481	$self->load_header_orig	2050	$self->load_header_orig
1482	or return;	2051	or return;
1483	$self->prepare_orig;	2052	$self->prepare_orig;
1484	}	2053	}
1485		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
1486	$self->default_region (cf::region::find_by_path $self->{path})	2058	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2059	unless $self->default_region;
1488		2060
1489	1	2061	1
1490	}	2062	}
1491		2063
1492	sub find;	2064	sub find;
1493	sub find {	2065	sub find {
1494	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1495		2067
		2068	cf::cede_to_tick;
		2069
1496	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1497		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2074
1500	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1503	or return;	2077	or return;
1504		2078
1505	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1506		2080
1507	$map->load_header	2081	$map->load_header
1508	or return;	2082	or return;
1509		2083
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1513	$map->reset;	2089	$map->reset;
1514	undef $guard;
1515	return find $path;	2090	return find $path;
1516	}	2091	}
1517		2092
1518	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1519	}	2094	}
1520	}	2095	}
1521		2096
1522	sub pre_load { }	2097	sub pre_load { }
1523	sub post_load { }	2098	#sub post_load { } # XS
1524		2099
1525	sub load {	2100	sub load {
1526	my ($self) = @_;	2101	my ($self) = @_;
1527		2102
1528	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1529		2104
1530	my $path = $self->{path};	2105	my $path = $self->{path};
1531		2106
1532	{	2107	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1534		2109
		2110	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2112
1537	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1538		2114
1539	$self->alloc;	2115	$self->alloc;
1540		2116
1541	$self->pre_load;	2117	$self->pre_load;
1542	Coro::cede;	2118	cf::cede_to_tick;
1543		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2122	$self->_load_objects ($f)
1545	or return;	2123	or return;
1546		2124
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1548	if delete $self->{load_original};	2126	if delete $self->{load_original};
1549		2127
1550	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2129	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2132	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1555	}	2136	}
1556	}	2137	}
1557		2138
1558	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1559	# now do the right thing for maps	2142	# now do the right thing for maps
1560	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2145	unless $self->difficulty;
1563	Coro::cede;	2146	cf::cede_to_tick;
1564		2147
1565	unless ($self->{deny_activate}) {	2148	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2149	$self->decay_objects;
1567	$self->fix_auto_apply;	2150	$self->fix_auto_apply;
1568	$self->update_buttons;	2151	$self->update_buttons;
1569	Coro::cede;	2152	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2153	$self->activate;
1573	}	2154	}
1574		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2160	}
1577		2161
1578	$self->post_load;	2162	$self->post_load;
1579	}	2163	}
1580		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2168	sub customise_for {
1582	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1583		2170
1584	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2172	if $self->per_player;
1586		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1587	$self	2177	$self
1588	}	2178	}
1589		2179
1590	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2181	sub load_neighbours {
1592	my ($map) = @_;	2182	my ($map) = @_;
1593		2183
1594	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1595		2185
1596	for (0 .. 3) {	2186	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1598	or next;	2188	or next;
1599	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1600	or next;	2190	or next;
1601	$neigh->load;	2191	$neigh->load;
1602		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2197	}
1606		2198
1607	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1609	or next;	2202	or next;
1610	$neigh->load;	2203	$neigh->load;
1611	}	2204	}
1612	}	2205	}
1613		2206
1614	sub find_sync {	2207	sub find_sync {
1615	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1616		2209
1617	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1618	}	2214	}
1619		2215
1620	sub do_load_sync {	2216	sub do_load_sync {
1621	my ($map) = @_;	2217	my ($map) = @_;
1622		2218
1623	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1624	}	2223	}
1625		2224
1626	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1628		2227
1629	sub find_async {	2228	sub find_async {
1630	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1631		2230
1632	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1633		2232
1634	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2235	}
1637		2236
1638	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1639	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1640	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2244	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2245	$map->load if $v;
		2246	}
1645		2247
1646	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1647	}	2249	}
1648	}	2250	}
1649	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1650	};	2252	};
1651	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1652		2254
1653	()	2255	()
1654	}	2256	}
1655		2257
		2258	# common code, used by both ->save and ->swapout
1656	sub save {	2259	sub _save {
1657	my ($self) = @_;	2260	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2261
1661	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1662		2263
1663	return unless $self->dirty;	2264	return unless $self->dirty;
1664		2265
…		…
1670	return if $self->{deny_save};	2271	return if $self->{deny_save};
1671		2272
1672	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1673		2274
1674	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1676	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1677		2281
1678	if ($uniq) {	2282	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2285	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2287	}
1684	}	2288	}
1685		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1686	sub swap_out {	2298	sub swap_out {
1687	my ($self) = @_;	2299	my ($self) = @_;
1688		2300
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1694	return if $self->players;	2305	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1698	$self->clear;	2316	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2317	}
1701		2318
1702	sub reset_at {	2319	sub reset_at {
1703	my ($self) = @_;	2320	my ($self) = @_;
1704		2321
1705	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1708		2324
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2327
…		…
1722	my ($self) = @_;	2338	my ($self) = @_;
1723		2339
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2341
1726	return if $self->players;	2342	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2343
1729	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1730		2345
1731	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1732		2347
1733	# need to save uniques path	2348	# need to save uniques path
1734	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2353	if $uniq;
1739	}	2354	}
1740		2355
1741	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1742		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2360	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2361
1747	$self->unlink_save;	2362	$self->unlink_save;
1748	$self->destroy;	2363	$self->destroy;
1749	}	2364	}
1750		2365
1751	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1752		2367
1753	sub nuke {	2368	sub nuke {
1754	my ($self) = @_;	2369	my ($self) = @_;
1755		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1756	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1757		2375
1758	$self->unlink_save;	2376	$self->unlink_save;
1759		2377
1760	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2383
1766	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1767		2386
1768	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1769	}	2424	}
1770		2425
1771	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1772		2427
1773	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2429	instantiated unique items. May block.
1775		2430
1776	=cut	2431	=cut
1777		2432
1778	sub unique_maps() {	2433	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2434	[
1780	or return;	2435	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2436	utf8::decode $_;
1786	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2439	? ()
1789	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2442	]
1791
1792	\@paths
1793	}	2443	}
1794		2444
1795	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1796		2476
1797	=back	2477	=back
1798		2478
1799	=head3 cf::object	2479	=head3 cf::object
1800		2480
…		…
1804		2484
1805	=over 4	2485	=over 4
1806		2486
1807	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1808		2488
1809	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1810		2491
1811	=cut	2492	=cut
1812		2493
1813	sub inv_recursive_;	2494	sub inv_recursive_;
1814	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1817		2498
1818	sub inv_recursive {	2499	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1820	}	2501	}
1821		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1822	package cf;	2531	package cf;
1823		2532
1824	=back	2533	=back
1825		2534
1826	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1835		2544
1836	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1837		2560
1838	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2562	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1843		2566
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2568
1846	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1848	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1851	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1852	}	2594	}
1853		2595
1854	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1855		2597
1856	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1869		2611
1870	=item $player_object->enter_link	2612	=item $player_object->enter_link
1871		2613
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2615
1874	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1876		2620
1877	Will never block.	2621	Will never block.
1878		2622
1879	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1880		2624
…		…
1900	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2645	my ($self) = @_;
1902		2646
1903	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1904		2648
		2649	++$self->{_link_recursion};
		2650
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2652
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2654	if $self->map && $self->map->{path} ne "{link}";
1909		2655
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2657	}
1912		2658
1913	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
1915		2661
…		…
1932	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1934		2680
1935	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1938		2684
1939	$map->load;	2685	$map->load;
1940	$map->load_diag;	2686	$map->load_neighbours;
1941		2687
1942	return unless $self->contr->active;	2688	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2689
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1947	}	2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
		2695	$self->activate_recursive;
		2696	}
1948		2697
		2698	}
		2699
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2701
1951	Moves the player to the given map-path and coordinates by first freezing	2702	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2703	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2704	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
1955		2710
1956	=cut	2711	=cut
1957		2712
1958	our $GOTOGEN;	2713	our $GOTOGEN;
1959		2714
1960	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
1962		2723
1963	# do generation counting so two concurrent goto's will be executed in-order	2724	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2726
1966	$self->enter_link;	2727	$self->enter_link;
1967		2728
1968	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1969	my $map = eval {	2751	my $map = eval {
1970	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
1971		2753
1972	if ($map) {	2754	if ($map) {
1973	$map = $map->customise_for ($self);	2755	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2756	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2757	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2759	}
1978		2760
1979	$map	2761	$map
1980	};	2762	};
1981		2763
…		…
1986		2768
1987	if ($gen == $self->{_goto_generation}) {	2769	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2770	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
1990	}	2772	}
		2773
		2774	$done->($self) if $done;
1991	})->prio (1);	2775	})->prio (1);
1992	}	2776	}
1993		2777
1994	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1995		2779
…		…
2015	}	2799	}
2016		2800
2017	sub prepare_random_map {	2801	sub prepare_random_map {
2018	my ($exit) = @_;	2802	my ($exit) = @_;
2019		2803
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2806	# that depends on the exit object
2025		2807
2026	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2810	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
2033	}	2817	}
2034		2818
2035	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
2036		2820
2037	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
2040		2824
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2827	undef $fh;
2044	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
2045		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2048	}	2836	}
2049	}	2837	}
2050		2838
2051	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2053		2841
2054	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2055		2843
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2844	$self->enter_link;
2068		2845
2069	(async {	2846	(async {
2070	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2071	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2072	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2073		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2074	1;	2870	1
2075	}) {	2871	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2876
2081	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2878	$self->leave_link;
2083	}	2879	}
2084	})->prio (1);	2880	})->prio (1);
2085	}	2881	}
2086		2882
…		…
2100		2896
2101	utf8::encode $text;	2897	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2899	}
2104		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2105	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2106		3089
2107	Sends an exti event to the client.	3090	Sends an ext event to the client.
2108		3091
2109	=cut	3092	=cut
2110		3093
2111	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2113		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2116	}	3121	}
2117		3122
2118	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2119		3124
2120	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3128
2124	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3130	become reliable at some point in the future.
2126		3131
2127	=cut	3132	=cut
2128		3133
2129	sub cf::client::query {	3134	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3143	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3145
2141	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2143	}	3150	}
2144		3151
2145	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2146	on_reply => sub {	3158	on_reply => sub {
2147	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2148		3160
2149	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2150	# get handled first	3162	# get handled first
…		…
2162	} else {	3174	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3176	}
2165	}	3177	}
2166	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2167	);	3205	);
2168		3206
2169	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2170		3208
2171	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3225
2188	$coro	3226	$coro
2189	}	3227	}
2190		3228
2191	cf::client->attach (	3229	cf::client->attach (
2192	on_destroy => sub {	3230	on_client_destroy => sub {
2193	my ($ns) = @_;	3231	my ($ns) = @_;
2194		3232
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3234	},
2197	);	3235	);
…		…
2212	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2214		3252
2215	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2216		3254
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2218		3260
2219	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2220		3262
2221	=pod	3263	=pod
2222		3264
2223	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2224		3266
2225	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2226	cf::object::player player	3272	cf::object::player
2227	cf::player peaceful	3273	player
2228	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2229		3280
2230	=cut	3281	=cut
2231		3282
2232	for (	3283	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2237	) {	3290	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3293	for @funs;
2242	}	3294	}
2243		3295
…		…
2258		3310
2259	my $qcode = $code;	3311	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2262		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2263	local $_;	3318	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3319
2266	my $eval =	3320	my $eval =
2267	"do {\n"	3321	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3324	. $code
2271	. "\n}"	3325	. "\n}"
2272	;	3326	;
2273		3327
		3328	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2277		3337
2278	if ($@) {	3338	if ($@) {
2279	warn "$@";	3339	warn "$@",
2280	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2282	}	3342	}
2283		3343
2284	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2285	}	3345	}
2286		3346
…		…
2300	=cut	3360	=cut
2301		3361
2302	sub register_script_function {	3362	sub register_script_function {
2303	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2304		3364
2305	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2307	}	3367	}
2308		3368
2309	=back	3369	=back
2310		3370
2311	=cut	3371	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3372
2485	#############################################################################	3373	#############################################################################
2486	# the server's init and main functions	3374	# the server's init and main functions
2487		3375
2488	sub load_facedata($) {	3376	sub load_facedata($) {
2489	my ($path) = @_;	3377	my ($path) = @_;
2490		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2491	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2492		3386
2493	my $facedata;
2494	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2495	or die "$path: $!";	3388	or die "$path: $!";
2496		3389
2497	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2498		3391
2499	$facedata->{version} == 2	3392	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2502	{	3404	{
2503	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2504		3406
2505	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3414
		3415	cf::cede_to_tick;
2511	}	3416	}
2512		3417
2513	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2515	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2516	or next;	3422	or next;
		3423
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3427	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3429	}
2522	Coro::cede;	3430
		3431	cf::cede_to_tick;
2523	}	3432	}
2524	}	3433	}
2525		3434
2526	{	3435	{
2527	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2528		3437
2529	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3440	cf::cede_to_tick;
2532	}	3441	}
2533		3442
2534	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2535	}	3444	}
2536		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2537	1	3465	1
2538	}	3466	}
2539		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
2540	sub reload_regions {	3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
2541	load_resource_file "$MAPDIR/regions"	3491	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
2543	}	3498	}
2544		3499
2545	sub reload_facedata {	3500	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3501	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3510	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3511	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2558	}	3513	}
2559		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2560	sub reload_resources {	3538	sub reload_resources {
2561	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2562		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2563	reload_regions;	3546	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3547	reload_treasures;
2567		3548
2568	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2569	}	3550	}
2570		3551
2571	sub init {	3552	sub reload_config {
2572	reload_resources;	3553	trace "reloading config file...\n";
2573	}
2574		3554
2575	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3556	or die "$CONFDIR/config: $!";
2577	or return;
2578		3557
2579	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2580	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2581		3562
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3564
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3567
2587	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2591	};	3572	};
2592	warn $@ if $@;	3573	warn $@ if $@;
2593	}	3574	}
2594	}	3575	}
2595		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2596	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2597	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3618	(async {
2601	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2603	};	3622	};
2604		3623
2605	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2606	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2607	load_extensions;	3647	load_extensions;
2608		3648
2609	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2611	}	3667	}
2612		3668
2613	#############################################################################	3669	#############################################################################
2614	# initialisation and cleanup	3670	# initialisation and cleanup
2615		3671
2616	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2617	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2626	},
2627	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2628	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2629	}	3768	}
2630		3769
2631	sub emergency_save() {	3770	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2633		3772
2634	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2635		3779
2636	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2637	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3791	$pl->save;
2645	}	3792	}
2646	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2647		3794
2648	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3800	$map->valid or next;
2652	$map->save;	3801	$map->save;
2653	}	3802	}
2654	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2655		3804
2656	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3833	};
2660		3834
2661	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2662	}	3836	}
2663		3837
2664	sub post_cleanup {	3838	sub post_cleanup {
2665	my ($make_core) = @_;	3839	my ($make_core) = @_;
2666		3840
		3841	IO::AIO::flush;
		3842
2667	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2669	}	3873	}
2670		3874
2671	sub do_reload_perl() {	3875	sub do_reload_perl() {
2672	# can/must only be called in main	3876	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2674	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2675	return;	3879	return;
2676	}	3880	}
2677		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2678	warn "reloading...";	3888	info "reloading...";
2679		3889
2680	warn "entering sync_job";	3890	trace "entering sync_job";
2681		3891
2682	cf::sync_job {	3892	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3893	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3894
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3897	%EXT_CORO = ();
2711		3898
2712	warn "removing commands";	3899	trace "removing commands";
2713	%COMMAND = ();	3900	%COMMAND = ();
2714		3901
2715	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2716	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2717		3905
2718	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2721		3909
2722	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3911	eval {
2724	$cb->($pkg);	3912	$cb->($pkg);
2725	1	3913	1
2726	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2727	}	3919	}
2728		3920
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3924
2737	warn "... unloading $k";	3925	trace "... unloading $k";
2738	delete $INC{$k};	3926	delete $INC{$k};
2739		3927
2740	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2742		3930
2743	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2745	}	3936	}
2746		3937
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3941
2754	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3945
2758	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3947	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2761		3949
2762	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2763		3951
2764	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2765	require cf;	3953	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2767		3955
2768	warn "loading config and database again";	3956	trace "loading config and database again";
2769	cf::cfg_load;	3957	cf::reload_config;
2770		3958
2771	warn "loading extensions";	3959	trace "loading extensions";
2772	cf::load_extensions;	3960	cf::load_extensions;
2773		3961
		3962	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2780		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
2781	warn "leaving sync_job";	3974	trace "leaving sync_job";
2782		3975
2783	1	3976	1
2784	} or do {	3977	} or do {
2785	warn $@;	3978	error $@;
2786	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2787	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
2788	};	3984	}
2789		3985
2790	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
2791	};	3988	};
2792		3989
2793	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
2794		3991
2795	sub reload_perl() {	3992	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
2798		3995
2799	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3998
2802	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4000	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
2806	},	4002	};
2807	);	4003	};
2808	}	4004	}
2809		4005
2810	register_command "reload" => sub {	4006	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2812		4008
2813	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4013	reload_perl;
		4014	};
2816	}	4015	}
2817	};	4016	};
2818		4017
2819	unshift @INC, $LIBDIR;	4018	#############################################################################
2820		4019
2821	my $bug_warning = 0;	4020	my $bug_warning = 0;
2822		4021
2823	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2825		4024
2826	sub wait_for_tick {	4025	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4027
2830	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4030	$signal->wait;
2833	}	4031	}
2834		4032
2835	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4035
2839	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4038	$signal->wait;
2842	}	4039	}
2843		4040
2844	my $min = 1e6;#d#	4041	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2856	return;	4045	return;
2857	}	4046	}
2858		4047
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2862		4049
2863	0 && sync_job {#d#	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4051
2869	$map->width (50);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4054	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4055	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4056	write_runtime_sync
2874		4057	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4058	};
		4059	}
2885		4060
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4062	$sig->send;
2902	}	4063	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4065	$sig->send;
2905	}	4066	}
2906		4067
2907	$NOW = Event::time;	4068	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4070
2918	_post_tick;	4071	if (0) {
2919		4072	if ($NEXT_TICK) {
2920		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
2921	},	4077	}
2922	);	4078	}
2923		4079
2924	{	4080	{
2925	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4082
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2935		4084	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4086
2951	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4094
2954	cf::sync_job {	4095	cf::sync_job {
2955	eval {	4096	eval {
2956	BDB::db_env_open	4097	BDB::db_env_open
2957	$DB_ENV,	4098	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4102	0666;
2962		4103
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4105	};
2968		4106
2969	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4108	};
2971	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2972	}	4120	}
2973		4121
2974	{	4122	{
		4123	# configure IO::AIO
		4124
2975	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4128	}
2988		4129
2989	my $_log_backtrace;	4130	my $_log_backtrace;
2990		4131
2991	sub _log_backtrace {	4132	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4135	$msg =~ s/\n//;
2995		4136
2996	# limit the # of concurrent backtraces	4137	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4138	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
2999	async {	4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
3000	my @bt = fork_call {	4144	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4145	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4148	or die "addr2line: $!";
…		…
3012	}	4156	}
3013		4157
3014	@funcs	4158	@funcs
3015	};	4159	};
3016		4160
3017	LOG llevInfo, "[ABT] $msg\n";	4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4163	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4164	--$_log_backtrace;
3020	};	4165	};
3021	} else {	4166	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4167	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4168	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4169	}
3025	}	4170	}
3026		4171
3027	# load additional modules	4172	# load additional modules
3028	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
3029		4175
3030	END { cf::emergency_save }	4176	END { cf::emergency_save }
3031		4177
3032	1	4178	1
3033		4179

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