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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.4 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	155	every server tick.
102		156
103	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		240
151	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
155	cf::object cf::object::player	245	cf::object cf::object::player
156	cf::client cf::player	246	cf::client cf::player
157	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
158	cf::map cf::party cf::region	249	cf::party cf::region
159	)) {	250	)) {
160	no strict 'refs';	251	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	253	}
163		254
164	$Event::DIED = sub {	255	$EV::DIED = sub {
165	warn "error in event callback: @_";	256	warn "error in event callback: @_";
166	};	257	};
		258
		259	#############################################################################
167		260
168	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
169		262
170	=over 4	263	=over 4
171		264
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	284	$d
192	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
193	}	286	}
194		287
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
198		289
199	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
200		291
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
209		293
210	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
211		295
212	=cut	296	=cut
213		297
214	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
216	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
218		302
219	=item cf::lock_wait $string	303	=item cf::lock_wait $string
220		304
221	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
222		306
…		…
225	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
228	returned.	312	returned.
229		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
230	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
232		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
233	=cut	324	=cut
234		325
235	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
236		328
237	sub lock_wait($) {	329	sub lock_wait($) {
238	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
239		336
240	# wait for lock, if any	337	# wait for lock, if any
241	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	340	Coro::schedule;
…		…
249		346
250	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
251	lock_wait $key;	348	lock_wait $key;
252		349
253	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
254		352
255	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
258	}	357	}
259	}	358	}
260		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
261	sub freeze_mainloop {	366	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
263		368
264	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	370	}
266	$WRITE_RUNTIME_WATCHER->start;	371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
267	};	430	}
268	$WRITE_RUNTIME_WATCHER->stop;	431	};
269	$TICK_WATCHER->stop;	432
270	$guard	433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
271	}	445	}
272		446
273	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
274		448
275	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		454
281	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
282		456
283	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
284		458
285	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
288		463
289	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
292	fast or be very important.	467	fast or be very important.
…		…
295		470
296	sub sync_job(&) {	471	sub sync_job(&) {
297	my ($job) = @_;	472	my ($job) = @_;
298		473
299	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
300	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
302		479
303	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	481
305	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
306		483
307	my $busy = 1;	484	my $busy = 1;
308	my @res;	485	my @res;
309		486
310	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	489	@res = eval { $job->() };
312	warn $@ if $@;	490	warn $@ if $@;
313	undef $busy;	491	undef $busy;
314	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
315		493
316	while ($busy) {	494	while ($busy) {
317	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
318	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
319		505
320	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
321	} else {	507	} else {
322	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
323		509
…		…
343	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
344		530
345	$coro	531	$coro
346	}	532	}
347		533
348	sub write_runtime {	534	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		535
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	536	Executes the given code block with the given arguments in a seperate
352	or return;	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
353		540
354	my $value = $cf::RUNTIME + 90 + 10;	541	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		542
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	543	sub fork_call(&@) {
359	and return;	544	my ($cb, @args) = @_;
360		545
361	aio_fsync $fh	546	# we seemingly have to make a local copy of the whole thing,
362	and return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
363		549
364	close $fh	550	my @res = Coro::Util::fork_eval {
365	or return;	551	reset_signals;
		552	&$cb
		553	}, @args;
366		554
367	aio_rename "$runtime~", $runtime	555	wantarray ? @res : $res[-1]
368	and return;	556	}
369		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
370	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
		710	}
		711
		712	=item cf::datalog type => key => value, ...
		713
		714	Log a datalog packet of the given type with the given key-value pairs.
		715
		716	=cut
		717
		718	sub datalog($@) {
		719	my ($type, %kv) = @_;
		720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	721	}
372		722
373	=back	723	=back
374		724
375	=cut	725	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
384		734
385	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	737	Deliantra).
388		738
389	=over 4	739	=over 4
390		740
391	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
392		742
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
556		906
557	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		911
562	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	913	my $pkg = shift @arg;
564		914
565	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
595	}	945	}
596		946
597	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
598	} else {	948	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	950	}
601		951
602	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
603	}	953	}
604		954
…		…
606	if (ref $_[0]) {	956	if (ref $_[0]) {
607	_object_attach @_;	957	_object_attach @_;
608	} else {	958	} else {
609	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
610	}	960	}
		961	_recalc_want;
611	};	962	};
612		963
613	# all those should be optimised	964	# all those should be optimised
614	sub cf::attachable::detach {	965	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
619	reattach ($obj);	970	reattach ($obj);
620	} else {	971	} else {
621	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
622	}	973	}
		974	_recalc_want;
623	};	975	};
624		976
625	sub cf::attachable::attached {	977	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
627		979
…		…
642	";	994	";
643	die if $@;	995	die if $@;
644	}	996	}
645		997
646	our $override;	998	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1000
649	sub override {	1001	sub override {
650	$override = 1;	1002	$override = 1;
651	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
652	}	1004	}
653		1005
654	sub do_invoke {	1006	sub do_invoke {
655	my $event = shift;	1007	my $event = shift;
656	my $callbacks = shift;	1008	my $callbacks = shift;
657		1009
658	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
659		1011
660	local $override;	1012	local $override;
661		1013
662	for (@$callbacks) {	1014	for (@$callbacks) {
663	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
672	}	1024	}
673		1025
674	0	1026	0
675	}	1027	}
676		1028
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1030
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1032
681	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
682		1034
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1036	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1038
687	=back	1039	=back
688		1040
689	=cut	1041	=cut
690		1042
691	#############################################################################	1043	#############################################################################
692	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
693		1087
694	sub reattach {	1088	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1090	my ($obj) = @_;
697		1091
…		…
718	cf::attachable->attach (	1112	cf::attachable->attach (
719	prio => -1000000,	1113	prio => -1000000,
720	on_instantiate => sub {	1114	on_instantiate => sub {
721	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
722		1116
723	$data = from_json $data;	1117	$data = decode_json $data;
724		1118
725	for (@$data) {	1119	for (@$data) {
726	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
727		1121
728	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1138	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
746		1140
747	sync_job {	1141	sync_job {
748	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
751		1146
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1150	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1151	aio_close $fh;
757		1152
758	if (@$objs) {	1153	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1159	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
766	}	1161	}
767	} else {	1162	} else {
768	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
769	}	1164	}
…		…
774	}	1169	}
775	} else {	1170	} else {
776	aio_unlink $filename;	1171	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
778	}	1173	}
779	}	1174	};
780	}	1175	}
781		1176
782	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
784		1179
…		…
796	or return;	1191	or return;
797		1192
798	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
800	or return;	1195	or return;
		1196
801	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
802	}	1199	}
803		1200
		1201	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
806	return ($data, $av);	1205	($data, $av)
807	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
808		1213
809	#############################################################################	1214	#############################################################################
810	# command handling &c	1215	# command handling &c
811		1216
812	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1231	}
827		1232
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1234
830	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
831		1240
832	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
833	called.	1242	called.
834		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
835	=cut	1255	=cut
836		1256
837	sub register_extcmd {	1257	sub register_extcmd {
838	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
839		1259
840	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
841	}	1267	}
842		1268
843	cf::player->attach (	1269	cf::player->attach (
844	on_command => sub {	1270	on_command => sub {
845	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1280	cf::override;
855	},	1281	},
856	on_extcmd => sub {	1282	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
858		1284
859	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1286
861	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
867	} else {	1302	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1304	}
870		1305
871	cf::override;	1306	cf::override;
872	},	1307	},
873	);	1308	);
874		1309
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
910	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1315	next unless -r $path;
912	eval {	1316
913	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
914	1	1373	}
915	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
916	}	1379	};
917	}	1380	}
918		1381
919	#############################################################################	1382	#############################################################################
920		1383
		1384	=back
		1385
921	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
922		1387
923	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
924		1389
925	=cut	1390	=cut
…		…
930		1395
931	=head3 cf::player	1396	=head3 cf::player
932		1397
933	=over 4	1398	=over 4
934		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
		1413
935	=item cf::player::find $login	1414	=item cf::player::find $login
936		1415
937	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
938		1417
939	=cut	1418	=cut
940		1419
941	sub playerdir($) {	1420	sub playerdir($) {
942	cf::localdir	1421	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1423	}
948		1424
949	sub path($) {	1425	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1427
952	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
953	}	1429	}
954		1430
955	sub find_active($) {	1431	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1446	my $login = $_[0];
971		1447
972	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
973		1449
974	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1451	# rename old playerfiles to new ones
		1452	#TODO: remove when no longer required
		1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1456	aio_unlink +(playerdir $login) . "/$login.pl";
		1457
		1458	my $f = new_from_file cf::object::thawer path $login
976	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
978	}	1467	}
979	}	1468	}
980	}	1469	}
981		1470
…		…
990	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
991		1480
992	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
994		1483
		1484	cf::get_slot 0.01;
		1485
995	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
996	Coro::cede;	1487	cf::cede_to_tick;
997	}	1488	}
998		1489
999	sub new($) {	1490	sub new($) {
1000	my ($login) = @_;	1491	my ($login) = @_;
1001		1492
…		…
1007	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1008		1499
1009	$self	1500	$self
1010	}	1501	}
1011		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1012	=item $pl->quit_character	1513	=item $pl->quit_character
1013		1514
1014	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1016		1517
1017	=cut	1518	=cut
1018		1519
1019	sub quit_character {	1520	sub quit_character {
1020	my ($pl) = @_;	1521	my ($pl) = @_;
1021		1522
		1523	my $name = $pl->ob->name;
		1524
1022	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1527
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1029		1534
1030	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1539	$pl->destroy;
		1540
		1541	my $prefix = qr<^~\Q$name\E/>;
		1542
		1543	# nuke player maps
		1544	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1545
1035	IO::AIO::aio_rmtree $temp;	1546	IO::AIO::aio_rmtree $temp;
		1547	}
		1548
		1549	=item $pl->kick
		1550
		1551	Kicks a player out of the game. This destroys the connection.
		1552
		1553	=cut
		1554
		1555	sub kick {
		1556	my ($pl, $kicker) = @_;
		1557
		1558	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1559	$pl->killer ("kicked");
		1560	$pl->ns->destroy;
1036	}	1561	}
1037		1562
1038	=item cf::player::list_logins	1563	=item cf::player::list_logins
1039		1564
1040	Returns am arrayref of all valid playernames in the system, can take a	1565	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1042		1567
1043	=cut	1568	=cut
1044		1569
1045	sub list_logins {	1570	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1572	or return [];
1048		1573
1049	my @logins;	1574	my @logins;
1050		1575
1051	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1055		1586
1056	utf8::decode $login;	1587	utf8::decode $login;
1057	push @logins, $login;	1588	push @logins, $login;
1058	}	1589	}
1059		1590
…		…
1067		1598
1068	=cut	1599	=cut
1069		1600
1070	sub maps($) {	1601	sub maps($) {
1071	my ($pl) = @_;	1602	my ($pl) = @_;
		1603
		1604	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1605
1073	my $files = aio_readdir playerdir $pl	1606	my $files = aio_readdir playerdir $pl
1074	or return;	1607	or return;
1075		1608
1076	my @paths;	1609	my @paths;
…		…
1078	for (@$files) {	1611	for (@$files) {
1079	utf8::decode $_;	1612	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1613	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1614	next unless /^$PATH_SEP/o;
1082		1615
1083	s/\.map$//;	1616	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1617	}
1086		1618
1087	\@paths	1619	\@paths
1088	}	1620	}
1089		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1091		1716
1092	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1093		1718
1094	=cut	1719	=cut
1095		1720
1096	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1098		1723
1099	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1725	}
1103		1726
1104	package cf;	1727	=item $player->ext_msg ($type, @msg)
		1728
		1729	Sends an ext event to the client.
		1730
		1731	=cut
		1732
		1733	sub ext_msg($$@) {
		1734	my ($self, $type, @msg) = @_;
		1735
		1736	$self->ns->ext_msg ($type, @msg);
		1737	}
		1738
		1739	=head3 cf::region
		1740
		1741	=over 4
		1742
		1743	=cut
		1744
		1745	package cf::region;
		1746
		1747	=item cf::region::find_by_path $path
		1748
		1749	Tries to decuce the likely region for a map knowing only its path.
		1750
		1751	=cut
		1752
		1753	sub find_by_path($) {
		1754	my ($path) = @_;
		1755
		1756	my ($match, $specificity);
		1757
		1758	for my $region (list) {
		1759	if ($region->{match} && $path =~ $region->{match}) {
		1760	($match, $specificity) = ($region, $region->specificity)
		1761	if $region->specificity > $specificity;
		1762	}
		1763	}
		1764
		1765	$match
		1766	}
1105		1767
1106	=back	1768	=back
1107
1108		1769
1109	=head3 cf::map	1770	=head3 cf::map
1110		1771
1111	=over 4	1772	=over 4
1112		1773
…		…
1124	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1126		1787
1127	sub generate_random_map {	1788	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1129	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1794	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1168		1832
1169	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1170	local $self->{path};	1834	local $self->{path};
1171	local $self->{load_path};	1835	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1836
1175	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1176	}	1838	}
1177		1839
1178	sub normalise {	1840	sub normalise {
1179	my ($path, $base) = @_;	1841	my ($path, $base) = @_;
1180		1842
1181	$path = "$path"; # make sure its a string	1843	$path = "$path"; # make sure its a string
		1844
		1845	$path =~ s/\.map$//;
1182		1846
1183	# map plan:	1847	# map plan:
1184	#	1848	#
1185	# /! non-realised random map exit (special hack!)	1849	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1850	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1224	return $self;	1888	return $self;
1225	}	1889	}
1226	}	1890	}
1227		1891
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1893	()
1230	}	1894	}
1231		1895
1232	sub init {	1896	sub init {
1233	my ($self) = @_;	1897	my ($self) = @_;
…		…
1248		1912
1249	# the original (read-only) location	1913	# the original (read-only) location
1250	sub load_path {	1914	sub load_path {
1251	my ($self) = @_;	1915	my ($self) = @_;
1252		1916
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1254	}	1918	}
1255		1919
1256	# the temporary/swap location	1920	# the temporary/swap location
1257	sub save_path {	1921	sub save_path {
1258	my ($self) = @_;	1922	my ($self) = @_;
1259		1923
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1262	}	1926	}
1263		1927
1264	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1265	sub uniq_path {	1929	sub uniq_path {
1266	my ($self) = @_;	1930	my ($self) = @_;
1267		1931
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1270	}	1934	}
1271		1935
1272	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1273	# all maps in C++...	1937	# all maps in C++...
1274	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1276		1940
1277	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1279	}	1943	}
1280		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1281	sub unlink_save {	1953	sub unlink_save {
1282	my ($self) = @_;	1954	my ($self) = @_;
1283		1955
1284	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1960
1289	sub load_header_from($) {	1961	sub load_header_from($) {
1290	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1291		1963
1292	utf8::encode $path;	1964	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1294	or return;	1966	or return;
1295		1967
1296	$self->_load_header ($path)	1968	$self->_load_header ($f)
1297	or return;	1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1298		1973
1299	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1300		1975
1301	1	1976	1
1302	}	1977	}
…		…
1341	$self->load_header_orig	2016	$self->load_header_orig
1342	or return;	2017	or return;
1343	$self->prepare_orig;	2018	$self->prepare_orig;
1344	}	2019	}
1345		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
		2024	$self->default_region (cf::region::find_by_path $self->{path})
		2025	unless $self->default_region;
		2026
1346	1	2027	1
1347	}	2028	}
1348		2029
1349	sub find;	2030	sub find;
1350	sub find {	2031	sub find {
1351	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1352		2033
1353	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1354		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1356		2038
1357	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1359	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1360	or return;	2044	or return;
1361		2045
1362	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1363		2047
1364	$map->load_header	2048	$map->load_header
1365	or return;	2049	or return;
1366		2050
1367	if ($map->should_reset) {	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1370	$map->reset;	2056	$map->reset;
1371	undef $guard;
1372	return find $path;	2057	return find $path;
1373	}	2058	}
1374		2059
1375	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1376	}	2061	}
…		…
1380	sub post_load { }	2065	sub post_load { }
1381		2066
1382	sub load {	2067	sub load {
1383	my ($self) = @_;	2068	my ($self) = @_;
1384		2069
		2070	local $self->{deny_reset} = 1; # loading can take a long time
		2071
1385	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1387		2076
		2077	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2079
1390	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1391		2081
1392	$self->alloc;	2082	$self->alloc;
1393		2083
1394	$self->pre_load;	2084	$self->pre_load;
		2085	cf::cede_to_tick;
1395		2086
1396	$self->_load_objects ($self->{load_path}, 1)	2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
		2089	$self->_load_objects ($f)
1397	or return;	2090	or return;
1398		2091
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1400	if delete $self->{load_original};	2093	if delete $self->{load_original};
1401		2094
1402	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2096	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2099	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1407	}	2103	}
1408	}	2104	}
1409		2105
1410	Coro::cede;	2106	$f->resolve_delayed_derefs;
1411		2107
		2108	cf::cede_to_tick;
1412	# now do the right thing for maps	2109	# now do the right thing for maps
1413	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2112	unless $self->difficulty;
1423	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($self->{deny_activate}) {
		2116	$self->decay_objects;
		2117	$self->fix_auto_apply;
		2118	$self->update_buttons;
		2119	cf::cede_to_tick;
		2120	$self->set_darkness_map;
		2121	cf::cede_to_tick;
1424	$self->activate;	2122	$self->activate;
		2123	}
		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
		2128	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2129	}
1426		2130
1427	$self->post_load;	2131	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2132	}
1431		2133
1432	sub customise_for {	2134	sub customise_for {
1433	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1434		2136
1435	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2138	if $self->per_player;
1437		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1438	$self	2143	$self
1439	}	2144	}
1440		2145
1441	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2147	sub load_neighbours {
1443	my ($map) = @_;	2148	my ($map) = @_;
1444		2149
1445	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1446		2151
1447	for (0 .. 3) {	2152	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1449	or next;	2154	or next;
1450	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1451	or next;	2156	or next;
1452	$neigh->load;	2157	$neigh->load;
1453		2158
		2159	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2162	}
1457		2163
1458	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1460	or next;	2167	or next;
1461	$neigh->load;	2168	$neigh->load;
1462	}	2169	}
1463	}	2170	}
1464		2171
…		…
1469	}	2176	}
1470		2177
1471	sub do_load_sync {	2178	sub do_load_sync {
1472	my ($map) = @_;	2179	my ($map) = @_;
1473		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1474	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1475	}	2185	}
1476		2186
1477	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1479		2189
1480	sub find_async {	2190	sub find_async {
1481	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1482		2192
1483	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1484		2194
1485	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2197	}
1488		2198
1489	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1490	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1491	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2206	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2207	$map->load if $v;
		2208	}
1496		2209
1497	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1498	}	2211	}
1499	}	2212	}
1500	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1501	};	2214	};
1502	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2218	}
1506		2219
1507	sub save {	2220	sub save {
1508	my ($self) = @_;	2221	my ($self) = @_;
1509		2222
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2224
1512	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1513		2226
1514	return unless $self->dirty;	2227	return unless $self->dirty;
1515		2228
…		…
1521	return if $self->{deny_save};	2234	return if $self->{deny_save};
1522		2235
1523	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1524		2237
1525	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1527	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1528		2244
1529	if ($uniq) {	2245	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2248	} else {
…		…
1538	my ($self) = @_;	2254	my ($self) = @_;
1539		2255
1540	# save first because save cedes	2256	# save first because save cedes
1541	$self->save;	2257	$self->save;
1542		2258
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2260
1545	return if $self->players;	2261	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2263	return if $self->{deny_save};
1548		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2269	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2270	}
1552		2271
1553	sub reset_at {	2272	sub reset_at {
1554	my ($self) = @_;	2273	my ($self) = @_;
1555		2274
1556	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1559		2277
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2280
…		…
1573	my ($self) = @_;	2291	my ($self) = @_;
1574		2292
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2294
1577	return if $self->players;	2295	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2296
1580	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
		2298
		2299	$self->in_memory (cf::MAP_SWAPPED);
		2300
		2301	# need to save uniques path
		2302	unless ($self->{deny_save}) {
		2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2304
		2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2306	if $uniq;
		2307	}
1581		2308
1582	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1583		2310
1584	$self->in_memory (cf::MAP_SWAPPED);	2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2313	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2314
1589	$self->unlink_save;	2315	$self->unlink_save;
1590	$self->destroy;	2316	$self->destroy;
1591	}	2317	}
1592		2318
1593	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1594		2320
1595	sub nuke {	2321	sub nuke {
1596	my ($self) = @_;	2322	my ($self) = @_;
1597		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1598	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1599		2328
1600	$self->unlink_save;	2329	$self->unlink_save;
1601		2330
1602	bless $self, "cf::map";	2331	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2336
1608	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1609		2339
1610	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1611	}	2377	}
1612		2378
1613	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1614		2380
1615	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2382	instantiated unique items. May block.
1617		2383
1618	=cut	2384	=cut
1619		2385
1620	sub unique_maps() {	2386	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1622	or return;	2388	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2389	utf8::decode $_;
1628	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2392	? ()
1631	s/\.map$//;	2393	: normalise $_
1632	push @paths, $_;	2394	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2395	]
1634
1635	\@paths
1636	}	2396	}
1637
1638	package cf;
1639		2397
1640	=back	2398	=back
1641		2399
1642	=head3 cf::object	2400	=head3 cf::object
1643		2401
…		…
1647		2405
1648	=over 4	2406	=over 4
1649		2407
1650	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1651		2409
1652	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1653		2412
1654	=cut	2413	=cut
1655		2414
1656	sub inv_recursive_;	2415	sub inv_recursive_;
1657	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1660		2419
1661	sub inv_recursive {	2420	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1663	}	2422	}
1664		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1665	package cf;	2452	package cf;
1666		2453
1667	=back	2454	=back
1668		2455
1669	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1678		2465
1679	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1680		2481
1681	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2483	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1686		2487
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2489
1689	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1691	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1694	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1695	}	2515	}
1696		2516
1697	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1698		2518
1699	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1731	=cut	2551	=cut
1732		2552
1733	sub link_map {	2553	sub link_map {
1734	unless ($LINK_MAP) {	2554	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2555	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2556	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2557	$LINK_MAP->load;
1738	}	2558	}
1739		2559
1740	$LINK_MAP	2560	$LINK_MAP
1741	}	2561	}
…		…
1746	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1747		2567
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2569
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1752		2572
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2574	}
1755		2575
1756	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1758		2580
1759	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1760		2582
1761	unless ($map) {	2583	unless ($map) {
1762	# restore original map position	2584	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1779		2601
1780	$map->load;	2602	$map->load;
1781	$map->load_diag;	2603	$map->load_neighbours;
1782		2604
1783	return unless $self->contr->active;	2605	return unless $self->contr->active;
1784	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1786	}	2610	}
1787		2611
1788	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2613
1792	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1796	};	2618	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2619
1802	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2622
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1823		2626
1824	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2632
1827	$self->enter_link;	2633	$self->enter_link;
1828		2634
1829	(async {	2635	(async {
1830	my $map = cf::map::find $path;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1832		2662	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1837		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1839	})->prio (1);	2681	})->prio (1);
1840	}	2682	}
1841		2683
1842	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1843		2685
…		…
1863	}	2705	}
1864		2706
1865	sub prepare_random_map {	2707	sub prepare_random_map {
1866	my ($exit) = @_;	2708	my ($exit) = @_;
1867		2709
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2712	# that depends on the exit object
1873		2713
1874	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1875		2715
1876	if ($exit->map) {	2716	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1881	}	2723	}
1882		2724
1883	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1884		2726
1885	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1888		2730
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2733	undef $fh;
1892	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1893		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1896	}	2742	}
1897	}	2743	}
1898		2744
1899	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1903		2749
1904	$self->enter_link;	2750	$self->enter_link;
1905		2751
1906	(async {	2752	(async {
1907	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1908	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1909	prepare_random_map $exit	2762	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1911		2765
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1914		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1915	1;	2776	1
1916	}) {	2777	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1918	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2782
1922	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2784	$self->leave_link;
1924	}	2785	}
1925	})->prio (1);	2786	})->prio (1);
…		…
1938		2799
1939	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1941		2802
1942	utf8::encode $text;	2803	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2805	}
1945		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
		2937	=item $client->ext_msg ($type, @msg)
		2938
		2939	Sends an ext event to the client.
		2940
		2941	=cut
		2942
		2943	sub cf::client::ext_msg($$@) {
		2944	my ($self, $type, @msg) = @_;
		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
		2949	push @msg, msgtype => "event_$type";
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
1946		2971
1947	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1948		2973
1949	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		2977
1953	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	2979	become reliable at some point in the future.
1955		2980
1956	=cut	2981	=cut
1957		2982
1958	sub cf::client::query {	2983	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2992	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2994
1970	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
1972	}	2999	}
1973		3000
1974	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
1975	on_reply => sub {	3007	on_reply => sub {
1976	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
1977		3009
1978	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
1979	# get handled first	3011	# get handled first
1980	my $queue = delete $ns->{query_queue}	3012	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	3013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		3014
1983	(shift @$queue)->[1]->($msg);	3015	(shift @$queue)->[1]->($msg);
		3016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3017
1985	push @{ $ns->{query_queue} }, @$queue;	3018	push @{ $ns->{query_queue} }, @$queue;
1986		3019
1987	if (@{ $ns->{query_queue} } == @$queue) {	3020	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3021	if (@$queue) {
…		…
1990	} else {	3023	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3025	}
1993	}	3026	}
1994	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
1995	);	3054	);
1996		3055
1997	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
1998		3057
1999	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2042		3101
2043	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2044		3103
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2046		3109
2047	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2048		3111
2049	=pod	3112	=pod
2050		3113
2051	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2052		3115
2053	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2054	cf::object::player player	3120	cf::object::player
2055	cf::player peaceful	3121	player
2056	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2057		3128
2058	=cut	3129	=cut
2059		3130
2060	for (	3131	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2062	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2064	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2065	) {	3138	) {
2066	no strict 'refs';	3139	no strict 'refs';
…		…
2137	=back	3210	=back
2138		3211
2139	=cut	3212	=cut
2140		3213
2141	#############################################################################	3214	#############################################################################
		3215	# the server's init and main functions
2142		3216
2143	=head2 EXTENSION DATABASE SUPPORT	3217	sub load_facedata($) {
		3218	my ($path) = @_;
2144		3219
2145	Crossfire maintains a very simple database for extension use. It can	3220	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3221	# for this (global event?)
2147	excludes objects.	3222	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3223
2149	The parameter C<$family> should best start with the name of the extension	3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3225
2152	=over 4	3226	warn "loading facedata from $path\n";
2153		3227
2154	=item $hashref = cf::db_get $family	3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
2155		3231
2156	Return a hashref for use by the extension C<$family>, which can be	3232	$facedata = Coro::Storable::thaw $facedata;
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159		3233
2160	=item $value = cf::db_get $family => $key	3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		3236
2162	Returns a single value from the database	3237	# patch in the exptable
2163		3238	$facedata->{resource}{"res/exp_table"} = {
2164	=item cf::db_put $family => $hashref	3239	type => FT_RSRC,
2165		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3241	};
		3242	cf::cede_to_tick;
2192		3243
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3244	{
		3245	my $faces = $facedata->{faceinfo};
2204		3246
2205	my $dirty;	3247	while (my ($face, $info) = each %$faces) {
		3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3249
2207	sub db_sync() {	3250	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3251	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	}	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3254
2212	my $idle = Event->idle (	3255	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3256	}
2246	);
2247	}
2248		3257
2249	#############################################################################	3258	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3259	next unless $info->{smooth};
2251		3260
2252	sub cfg_load {	3261	my $idx = cf::face::find $face
		3262	or next;
		3263
		3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
		3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3267	} else {
		3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3269	}
		3270
		3271	cf::cede_to_tick;
		3272	}
		3273	}
		3274
		3275	{
		3276	my $anims = $facedata->{animinfo};
		3277
		3278	while (my ($anim, $info) = each %$anims) {
		3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3280	cf::cede_to_tick;
		3281	}
		3282
		3283	cf::anim::invalidate_all; # d'oh
		3284	}
		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
		3321	1
		3322	}
		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
		3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
		3367	load_resource_file "$MAPDIR/regions"
		3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
		3374	}
		3375
		3376	sub reload_facedata {
		3377	load_facedata "$DATADIR/facedata"
		3378	or die "unable to load facedata\n";
		3379	}
		3380
		3381	sub reload_archetypes {
		3382	load_resource_file "$DATADIR/archetypes"
		3383	or die "unable to load archetypes\n";
		3384	}
		3385
		3386	sub reload_treasures {
		3387	load_resource_file "$DATADIR/treasures"
		3388	or die "unable to load treasurelists\n";
		3389	}
		3390
		3391	sub reload_resources {
		3392	warn "reloading resource files...\n";
		3393
		3394	reload_facedata;
		3395	reload_archetypes;
		3396	reload_regions;
		3397	reload_treasures;
		3398
		3399	warn "finished reloading resource files\n";
		3400	}
		3401
		3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
		3407	reload_resources;
		3408	}
		3409
		3410	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3412	or return;
2255		3413
2256	local $/;	3414	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2258		3416
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3418
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2273	sub main {	3431	sub main {
2274	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3435	(async {
2278	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2280	};	3439	};
2281		3440
2282	cfg_load;	3441	{
2283	db_load;	3442	my $guard = freeze_mainloop;
		3443	reload_config;
		3444	db_init;
2284	load_extensions;	3445	load_extensions;
2285		3446
2286	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2287	Event::loop;	3450	EV::loop;
2288	}	3451	}
2289		3452
2290	#############################################################################	3453	#############################################################################
2291	# initialisation and cleanup	3454	# initialisation and cleanup
2292		3455
2293	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2294	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2303	},
2304	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2305	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2306	}	3545	}
2307		3546
2308	sub emergency_save() {	3547	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2310		3549
…		…
2316	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2318	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3561	$pl->save;
2322	}	3562	}
2323	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2324		3564
2325	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2327	my $map = $cf::MAP{$path} or next;	3567	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3568	$map->valid or next;
2329	$map->save;	3569	$map->save;
2330	}	3570	}
2331	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
		3572
		3573	warn "begin emergency database checkpoint\n";
		3574	BDB::db_env_txn_checkpoint $DB_ENV;
		3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2332	};	3580	};
2333		3581
2334	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2335	}	3583	}
2336		3584
		3585	sub post_cleanup {
		3586	my ($make_core) = @_;
		3587
		3588	warn Carp::longmess "post_cleanup backtrace"
		3589	if $make_core;
		3590	}
		3591
2337	sub reload() {	3592	sub do_reload_perl() {
2338	# can/must only be called in main	3593	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	3595	warn "can only reload from main coroutine";
2341	return;	3596	return;
2342	}	3597	}
2343		3598
2344	warn "reloading...";	3599	warn "reloading...";
2345		3600
2346	warn "cancelling server ticker";	3601	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2349	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2350		3607
2351	eval {	3608	warn "syncing database to disk";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610
2352	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361		3612
2362	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2363	for (;;) {	3614	for (;;) {
		3615	BDB::flush;
2364	IO::AIO::flush;	3616	IO::AIO::flush;
2365	Coro::cede;	3617	Coro::cede_notself;
2366	last unless IO::AIO::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2367	warn "iterate...";	3619	warn "iterate...";
2368	}	3620	}
		3621
		3622	++$RELOAD;
2369		3623
2370	warn "cancelling all extension coros";	3624	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3626	%EXT_CORO = ();
2373		3627
2374	warn "removing commands";	3628	warn "removing commands";
2375	%COMMAND = ();	3629	%COMMAND = ();
2376		3630
2377	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2378	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2379		3634
2380	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2383		3638
…		…
2413	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3670
2416	warn "unloading cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2418		3674
2419	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3676	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2422		3678
…		…
2425	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2426	require cf;	3682	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3684
2429	warn "loading config and database again";	3685	warn "loading config and database again";
2430	cf::cfg_load;	3686	cf::reload_config;
2431	cf::db_load;
2432		3687
2433	warn "loading extensions";	3688	warn "loading extensions";
2434	cf::load_extensions;	3689	cf::load_extensions;
2435		3690
2436	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3692	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3693	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3694	reattach $_ for values %MAP;
		3695	warn "reattaching attachments to players";
		3696	reattach $_ for values %PLAYER;
2440		3697
2441	warn "restarting server ticker";	3698	warn "leaving sync_job";
2442		3699
2443	$TICK_WATCHER->start;	3700	1
		3701	} or do {
		3702	warn $@;
		3703	cf::cleanup "error while reloading, exiting.";
2444	};	3704	};
2445
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451		3705
2452	warn "reloaded";	3706	warn "reloaded";
2453	};	3707	};
2454		3708
2455	our $RELOAD_WATCHER; # used only during reload	3709	our $RELOAD_WATCHER; # used only during reload
2456		3710
		3711	sub reload_perl() {
		3712	# doing reload synchronously and two reloads happen back-to-back,
		3713	# coro crashes during coro_state_free->destroy here.
		3714
		3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3716	do_reload_perl;
		3717	undef $RELOAD_WATCHER;
		3718	};
		3719	}
		3720
2457	register_command "reload" => sub {	3721	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2459		3723
2460	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
2462		3726	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	3727	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	3728	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	3729	};
2475	}	3730	}
2476	};	3731	};
2477		3732
2478	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2479		3734
2480	my $bug_warning = 0;	3735	my $bug_warning = 0;
2481		3736
2482	$TICK_WATCHER = Event->timer (	3737	our @WAIT_FOR_TICK;
2483	reentrant => 0,	3738	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	3739
2485	prio => 0,	3740	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	3742
2488	cb => sub {	3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub wait_for_tick_begin {
		3749	return if tick_inhibit || $Coro::current == $Coro::main;
		3750
		3751	my $signal = new Coro::Signal;
		3752	push @WAIT_FOR_TICK_BEGIN, $signal;
		3753	$signal->wait;
		3754	}
		3755
		3756	sub tick {
2489	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2492	return;	3760	return;
2493	}	3761	}
2494		3762
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		3764
2501	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2503		3767	Coro::async_pool {
2504	Event::sweep;	3768	$Coro::current->{desc} = "runtime saver";
2505	Coro::cede_notself;
2506
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},
2516	);
2517
2518	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529
2530	$WRITE_RUNTIME_WATCHER = Event->timer (
2531	reentrant => 0,
2532	data => WF_AUTOCANCEL,
2533	after => 1,
2534	interval => 10,
2535	prio => 6, # keep it lowest so it acts like a watchdog
2536	cb => Coro::unblock_sub {
2537	write_runtime	3769	write_runtime_sync
2538	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
		3771	};
2539	},	3772	}
2540	);	3773
		3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3775	$sig->send;
		3776	}
		3777	while (my $sig = shift @WAIT_FOR_TICK) {
		3778	$sig->send;
		3779	}
		3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
		3790	}
		3791	}
		3792
		3793	{
		3794	# configure BDB
		3795
		3796	BDB::min_parallel 8;
		3797	BDB::max_poll_reqs $TICK * 0.1;
		3798	$AnyEvent::BDB::WATCHER->priority (1);
		3799
		3800	unless ($DB_ENV) {
		3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3807
		3808	cf::sync_job {
		3809	eval {
		3810	BDB::db_env_open
		3811	$DB_ENV,
		3812	$BDBDIR,
		3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3815	0666;
		3816
		3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3818	};
		3819
		3820	cf::cleanup "db_env_open(db): $@" if $@;
		3821	};
		3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
		3833	}
		3834
		3835	{
		3836	# configure IO::AIO
		3837
		3838	IO::AIO::min_parallel 8;
		3839	IO::AIO::max_poll_time $TICK * 0.1;
		3840	undef $AnyEvent::AIO::WATCHER;
		3841	}
		3842
		3843	my $_log_backtrace;
		3844
		3845	sub _log_backtrace {
		3846	my ($msg, @addr) = @_;
		3847
		3848	$msg =~ s/\n//;
		3849
		3850	# limit the # of concurrent backtraces
		3851	if ($_log_backtrace < 2) {
		3852	++$_log_backtrace;
		3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
		3856	my @bt = fork_call {
		3857	@addr = map { sprintf "%x", $_ } @addr;
		3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3860	or die "addr2line: $!";
		3861
		3862	my @funcs;
		3863	my @res = <$fh>;
		3864	chomp for @res;
		3865	while (@res) {
		3866	my ($func, $line) = splice @res, 0, 2, ();
		3867	push @funcs, "[$func] $line";
		3868	}
		3869
		3870	@funcs
		3871	};
		3872
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] $_\n" for @bt;
		3875	--$_log_backtrace;
		3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
		3880	}
		3881	}
		3882
		3883	# load additional modules
		3884	use cf::pod;
2541		3885
2542	END { cf::emergency_save }	3886	END { cf::emergency_save }
2543		3887
2544	1	3888	1
2545		3889

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